[ 807.072404][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 807.072822][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 807.072822][ T10] netdev_get_by_index+0x5e/0x80 [ 807.072822][ T10] fib6_nh_init+0x3d8/0x15b0 [ 807.072822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 807.072822][ T10] addrconf_f6i_alloc+0x244/0x410 [ 807.072822][ T10] ipv6_add_addr+0x411/0x2000 [ 807.072822][ T10] inet6_addr_add+0x30e/0xa40 [ 807.072822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 807.072822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.072822][ T10] netlink_rcv_skb+0x130/0x360 [ 807.072822][ T10] netlink_unicast+0x449/0x710 [ 807.072822][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.072822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.072822][ T10] ___sys_sendmsg+0xee/0x170 [ 807.072822][ T10] __sys_sendmsg+0xcd/0x170 [ 807.072822][ T10] do_syscall_64+0xc6/0x1e0 [ 807.072822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.072822][ T10] [ 807.074877][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 807.074877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 807.074877][ T10] ipv6_find_idev+0x102/0x170 [ 807.074877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.074877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.074877][ T10] netlink_rcv_skb+0x130/0x360 [ 807.074877][ T10] netlink_unicast+0x449/0x710 [ 807.074877][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.074877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.074877][ T10] ___sys_sendmsg+0xee/0x170 [ 807.074877][ T10] __sys_sendmsg+0xcd/0x170 [ 807.074877][ T10] do_syscall_64+0xc6/0x1e0 [ 807.074877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.074877][ T10] [ 807.076467][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 807.076467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 807.076467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 807.076467][ T10] ipv6_find_idev+0x102/0x170 [ 807.076467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.076467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.076467][ T10] netlink_rcv_skb+0x130/0x360 [ 807.076467][ T10] netlink_unicast+0x449/0x710 [ 807.076467][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.076467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.076467][ T10] ___sys_sendmsg+0xee/0x170 [ 807.076467][ T10] __sys_sendmsg+0xcd/0x170 [ 807.076467][ T10] do_syscall_64+0xc6/0x1e0 [ 807.076467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.076467][ T10] [ 807.078184][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 807.078461][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 807.078461][ T10] netdev_get_by_index+0x5e/0x80 [ 807.078461][ T10] fib6_nh_init+0x3d8/0x15b0 [ 807.078461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 807.078461][ T10] addrconf_f6i_alloc+0x244/0x410 [ 807.078461][ T10] ipv6_add_addr+0x411/0x2000 [ 807.078461][ T10] inet6_addr_add+0x30e/0xa40 [ 807.078461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 807.078461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.078461][ T10] netlink_rcv_skb+0x130/0x360 [ 807.078461][ T10] netlink_unicast+0x449/0x710 [ 807.078461][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.078461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.078461][ T10] ___sys_sendmsg+0xee/0x170 [ 807.078461][ T10] __sys_sendmsg+0xcd/0x170 [ 807.078461][ T10] do_syscall_64+0xc6/0x1e0 [ 807.078461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.078461][ T10] [ 807.080667][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 807.080667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 807.080667][ T10] ipv6_find_idev+0x102/0x170 [ 807.080667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.080667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.080667][ T10] netlink_rcv_skb+0x130/0x360 [ 807.080667][ T10] netlink_unicast+0x449/0x710 [ 807.080667][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.080667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.080667][ T10] ___sys_sendmsg+0xee/0x170 [ 807.080667][ T10] __sys_sendmsg+0xcd/0x170 [ 807.080667][ T10] do_syscall_64+0xc6/0x1e0 [ 807.080667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.080667][ T10] [ 807.082365][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 807.082365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 807.082365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 807.082365][ T10] ipv6_find_idev+0x102/0x170 [ 807.082365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.082365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.082365][ T10] netlink_rcv_skb+0x130/0x360 [ 807.082365][ T10] netlink_unicast+0x449/0x710 [ 807.082365][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.082365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.082365][ T10] ___sys_sendmsg+0xee/0x170 [ 807.082365][ T10] __sys_sendmsg+0xcd/0x170 [ 807.082365][ T10] do_syscall_64+0xc6/0x1e0 [ 807.082365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.082365][ T10] [ 807.084512][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 807.084865][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 807.084865][ T10] netdev_get_by_index+0x5e/0x80 [ 807.084865][ T10] fib6_nh_init+0x3d8/0x15b0 [ 807.084865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 807.084865][ T10] addrconf_f6i_alloc+0x244/0x410 [ 807.084865][ T10] ipv6_add_addr+0x411/0x2000 [ 807.084865][ T10] inet6_addr_add+0x30e/0xa40 [ 807.084865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 807.084865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.084865][ T10] netlink_rcv_skb+0x130/0x360 [ 807.084865][ T10] netlink_unicast+0x449/0x710 [ 807.084865][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.084865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.084865][ T10] ___sys_sendmsg+0xee/0x170 [ 807.084865][ T10] __sys_sendmsg+0xcd/0x170 [ 807.084865][ T10] do_syscall_64+0xc6/0x1e0 [ 807.084865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.084865][ T10] [ 807.087275][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 807.087275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 807.087275][ T10] ipv6_find_idev+0x102/0x170 [ 807.087275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.087275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.087275][ T10] netlink_rcv_skb+0x130/0x360 [ 807.087275][ T10] netlink_unicast+0x449/0x710 [ 807.087275][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.087275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.087275][ T10] ___sys_sendmsg+0xee/0x170 [ 807.087275][ T10] __sys_sendmsg+0xcd/0x170 [ 807.087275][ T10] do_syscall_64+0xc6/0x1e0 [ 807.087275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.087275][ T10] [ 807.089044][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 807.089044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 807.089044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 807.089044][ T10] ipv6_find_idev+0x102/0x170 [ 807.089044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.089044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.089044][ T10] netlink_rcv_skb+0x130/0x360 [ 807.089044][ T10] netlink_unicast+0x449/0x710 [ 807.089044][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.089044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.089044][ T10] ___sys_sendmsg+0xee/0x170 [ 807.089044][ T10] __sys_sendmsg+0xcd/0x170 [ 807.089044][ T10] do_syscall_64+0xc6/0x1e0 [ 807.089044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.089044][ T10] [ 807.091087][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 807.091440][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 807.091440][ T10] netdev_get_by_index+0x5e/0x80 [ 807.091440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 807.091440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 807.091440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 807.091440][ T10] ipv6_add_addr+0x411/0x2000 [ 807.091440][ T10] inet6_addr_add+0x30e/0xa40 [ 807.091440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 807.091440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.091440][ T10] netlink_rcv_skb+0x130/0x360 [ 807.091440][ T10] netlink_unicast+0x449/0x710 [ 807.091440][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.091440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.091440][ T10] ___sys_sendmsg+0xee/0x170 [ 807.091440][ T10] __sys_sendmsg+0xcd/0x170 [ 807.091440][ T10] do_syscall_64+0xc6/0x1e0 [ 807.091440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.091440][ T10] [ 807.093580][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 807.093580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 807.093580][ T10] ipv6_find_idev+0x102/0x170 [ 807.093580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.093580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.093580][ T10] netlink_rcv_skb+0x130/0x360 [ 807.093580][ T10] netlink_unicast+0x449/0x710 [ 807.093580][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.093580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.093580][ T10] ___sys_sendmsg+0xee/0x170 [ 807.093580][ T10] __sys_sendmsg+0xcd/0x170 [ 807.093580][ T10] do_syscall_64+0xc6/0x1e0 [ 807.093580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.093580][ T10] [ 807.095212][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 807.095212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 807.095212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 807.095212][ T10] ipv6_find_idev+0x102/0x170 [ 807.095212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.095212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.095212][ T10] netlink_rcv_skb+0x130/0x360 [ 807.095212][ T10] netlink_unicast+0x449/0x710 [ 807.095212][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.095212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.095212][ T10] ___sys_sendmsg+0xee/0x170 [ 807.095212][ T10] __sys_sendmsg+0xcd/0x170 [ 807.095212][ T10] do_syscall_64+0xc6/0x1e0 [ 807.095212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.095212][ T10] [ 807.097038][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 807.097373][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 807.097373][ T10] netdev_get_by_index+0x5e/0x80 [ 807.097373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 807.097373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 807.097373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 807.097373][ T10] ipv6_add_addr+0x411/0x2000 [ 807.097373][ T10] inet6_addr_add+0x30e/0xa40 [ 807.097373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 807.097373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.097373][ T10] netlink_rcv_skb+0x130/0x360 [ 807.097373][ T10] netlink_unicast+0x449/0x710 [ 807.097373][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.097373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.097373][ T10] ___sys_sendmsg+0xee/0x170 [ 807.097373][ T10] __sys_sendmsg+0xcd/0x170 [ 807.097373][ T10] do_syscall_64+0xc6/0x1e0 [ 807.097373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.097373][ T10] [ 807.099389][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 807.099389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 807.099389][ T10] ipv6_find_idev+0x102/0x170 [ 807.099389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.099389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.099389][ T10] netlink_rcv_skb+0x130/0x360 [ 807.099389][ T10] netlink_unicast+0x449/0x710 [ 807.099389][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.099389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.099389][ T10] ___sys_sendmsg+0xee/0x170 [ 807.099389][ T10] __sys_sendmsg+0xcd/0x170 [ 807.099389][ T10] do_syscall_64+0xc6/0x1e0 [ 807.099389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.099389][ T10] [ 807.100936][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 807.100936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 807.100936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 807.100936][ T10] ipv6_find_idev+0x102/0x170 [ 807.100936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.100936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.100936][ T10] netlink_rcv_skb+0x130/0x360 [ 807.100936][ T10] netlink_unicast+0x449/0x710 [ 807.100936][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.100936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.100936][ T10] ___sys_sendmsg+0xee/0x170 [ 807.100936][ T10] __sys_sendmsg+0xcd/0x170 [ 807.100936][ T10] do_syscall_64+0xc6/0x1e0 [ 807.100936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.100936][ T10] [ 807.102935][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 807.103270][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 807.103270][ T10] netdev_get_by_index+0x5e/0x80 [ 807.103270][ T10] fib6_nh_init+0x3d8/0x15b0 [ 807.103270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 807.103270][ T10] addrconf_f6i_alloc+0x244/0x410 [ 807.103270][ T10] ipv6_add_addr+0x411/0x2000 [ 807.103270][ T10] inet6_addr_add+0x30e/0xa40 [ 807.103270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 807.103270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.103270][ T10] netlink_rcv_skb+0x130/0x360 [ 807.103270][ T10] netlink_unicast+0x449/0x710 [ 807.103270][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.103270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.103270][ T10] ___sys_sendmsg+0xee/0x170 [ 807.103270][ T10] __sys_sendmsg+0xcd/0x170 [ 807.103270][ T10] do_syscall_64+0xc6/0x1e0 [ 807.103270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.103270][ T10] [ 807.105467][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 807.105467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 807.105467][ T10] ipv6_find_idev+0x102/0x170 [ 807.105467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.105467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.105467][ T10] netlink_rcv_skb+0x130/0x360 [ 807.105467][ T10] netlink_unicast+0x449/0x710 [ 807.105467][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.105467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.105467][ T10] ___sys_sendmsg+0xee/0x170 [ 807.105467][ T10] __sys_sendmsg+0xcd/0x170 [ 807.105467][ T10] do_syscall_64+0xc6/0x1e0 [ 807.105467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.105467][ T10] [ 807.107418][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 807.107418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 807.107418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 807.107418][ T10] ipv6_find_idev+0x102/0x170 [ 807.107418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.107418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.107418][ T10] netlink_rcv_skb+0x130/0x360 [ 807.107418][ T10] netlink_unicast+0x449/0x710 [ 807.107418][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.107418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.107418][ T10] ___sys_sendmsg+0xee/0x170 [ 807.107418][ T10] __sys_sendmsg+0xcd/0x170 [ 807.107418][ T10] do_syscall_64+0xc6/0x1e0 [ 807.107418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.107418][ T10] [ 807.109571][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 807.109914][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 807.109914][ T10] netdev_get_by_index+0x5e/0x80 [ 807.109914][ T10] fib6_nh_init+0x3d8/0x15b0 [ 807.109914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 807.109914][ T10] addrconf_f6i_alloc+0x244/0x410 [ 807.109914][ T10] ipv6_add_addr+0x411/0x2000 [ 807.109914][ T10] inet6_addr_add+0x30e/0xa40 [ 807.109914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 807.109914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.109914][ T10] netlink_rcv_skb+0x130/0x360 [ 807.109914][ T10] netlink_unicast+0x449/0x710 [ 807.109914][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.109914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.109914][ T10] ___sys_sendmsg+0xee/0x170 [ 807.109914][ T10] __sys_sendmsg+0xcd/0x170 [ 807.109914][ T10] do_syscall_64+0xc6/0x1e0 [ 807.109914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.109914][ T10] [ 807.112061][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 807.112061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 807.112061][ T10] ipv6_find_idev+0x102/0x170 [ 807.112061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.112061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.112061][ T10] netlink_rcv_skb+0x130/0x360 [ 807.112061][ T10] netlink_unicast+0x449/0x710 [ 807.112061][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.112061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.112061][ T10] ___sys_sendmsg+0xee/0x170 [ 807.112061][ T10] __sys_sendmsg+0xcd/0x170 [ 807.112061][ T10] do_syscall_64+0xc6/0x1e0 [ 807.112061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.112061][ T10] [ 807.113865][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 807.113865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 807.113865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 807.113865][ T10] ipv6_find_idev+0x102/0x170 [ 807.113865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.113865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.113865][ T10] netlink_rcv_skb+0x130/0x360 [ 807.113865][ T10] netlink_unicast+0x449/0x710 [ 807.113865][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.113865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.113865][ T10] ___sys_sendmsg+0xee/0x170 [ 807.113865][ T10] __sys_sendmsg+0xcd/0x170 [ 807.113865][ T10] do_syscall_64+0xc6/0x1e0 [ 807.113865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.113865][ T10] [ 807.115818][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 807.116145][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 807.116145][ T10] netdev_get_by_index+0x5e/0x80 [ 807.116145][ T10] fib6_nh_init+0x3d8/0x15b0 [ 807.116145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 807.116145][ T10] addrconf_f6i_alloc+0x244/0x410 [ 807.116145][ T10] ipv6_add_addr+0x411/0x2000 [ 807.116145][ T10] inet6_addr_add+0x30e/0xa40 [ 807.116145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 807.116145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.116145][ T10] netlink_rcv_skb+0x130/0x360 [ 807.116145][ T10] netlink_unicast+0x449/0x710 [ 807.116145][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.116145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.116145][ T10] ___sys_sendmsg+0xee/0x170 [ 807.116145][ T10] __sys_sendmsg+0xcd/0x170 [ 807.116145][ T10] do_syscall_64+0xc6/0x1e0 [ 807.116145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.116145][ T10] [ 807.118178][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 807.118178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 807.118178][ T10] ipv6_find_idev+0x102/0x170 [ 807.118178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.118178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.118178][ T10] netlink_rcv_skb+0x130/0x360 [ 807.118178][ T10] netlink_unicast+0x449/0x710 [ 807.118178][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.118178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.118178][ T10] ___sys_sendmsg+0xee/0x170 [ 807.118178][ T10] __sys_sendmsg+0xcd/0x170 [ 807.118178][ T10] do_syscall_64+0xc6/0x1e0 [ 807.118178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.118178][ T10] [ 807.119790][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 807.119790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 807.119790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 807.119790][ T10] ipv6_find_idev+0x102/0x170 [ 807.119790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 807.119790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 807.119790][ T10] netlink_rcv_skb+0x130/0x360 [ 807.119790][ T10] netlink_unicast+0x449/0x710 [ 807.119790][ T10] netlink_sendmsg+0x723/0xbe0 [ 807.119790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 807.119790][ T10] ___sys_sendmsg+0xee/0x170 [ 807.119790][ T10] __sys_sendmsg+0xcd/0x170 [ 807.119790][ T10] do_syscall_64+0xc6/0x1e0 [ 807.119790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 807.119790][ T10] [ 817.249206][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 817.249530][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 817.249530][ T10] netdev_get_by_index+0x5e/0x80 [ 817.249530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 817.249530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 817.249530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 817.249530][ T10] ipv6_add_addr+0x411/0x2000 [ 817.249530][ T10] inet6_addr_add+0x30e/0xa40 [ 817.249530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 817.249530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.249530][ T10] netlink_rcv_skb+0x130/0x360 [ 817.249530][ T10] netlink_unicast+0x449/0x710 [ 817.249530][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.249530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.249530][ T10] ___sys_sendmsg+0xee/0x170 [ 817.249530][ T10] __sys_sendmsg+0xcd/0x170 [ 817.249530][ T10] do_syscall_64+0xc6/0x1e0 [ 817.249530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.249530][ T10] [ 817.251594][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 817.251594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 817.251594][ T10] ipv6_find_idev+0x102/0x170 [ 817.251594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.251594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.251594][ T10] netlink_rcv_skb+0x130/0x360 [ 817.251594][ T10] netlink_unicast+0x449/0x710 [ 817.251594][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.251594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.251594][ T10] ___sys_sendmsg+0xee/0x170 [ 817.251594][ T10] __sys_sendmsg+0xcd/0x170 [ 817.251594][ T10] do_syscall_64+0xc6/0x1e0 [ 817.251594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.251594][ T10] [ 817.253156][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 817.253156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 817.253156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 817.253156][ T10] ipv6_find_idev+0x102/0x170 [ 817.253156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.253156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.253156][ T10] netlink_rcv_skb+0x130/0x360 [ 817.253156][ T10] netlink_unicast+0x449/0x710 [ 817.253156][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.253156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.253156][ T10] ___sys_sendmsg+0xee/0x170 [ 817.253156][ T10] __sys_sendmsg+0xcd/0x170 [ 817.253156][ T10] do_syscall_64+0xc6/0x1e0 [ 817.253156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.253156][ T10] [ 817.254874][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 817.255167][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 817.255167][ T10] netdev_get_by_index+0x5e/0x80 [ 817.255167][ T10] fib6_nh_init+0x3d8/0x15b0 [ 817.255167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 817.255167][ T10] addrconf_f6i_alloc+0x244/0x410 [ 817.255167][ T10] ipv6_add_addr+0x411/0x2000 [ 817.255167][ T10] inet6_addr_add+0x30e/0xa40 [ 817.255167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 817.255167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.255167][ T10] netlink_rcv_skb+0x130/0x360 [ 817.255167][ T10] netlink_unicast+0x449/0x710 [ 817.255167][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.255167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.255167][ T10] ___sys_sendmsg+0xee/0x170 [ 817.255167][ T10] __sys_sendmsg+0xcd/0x170 [ 817.255167][ T10] do_syscall_64+0xc6/0x1e0 [ 817.255167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.255167][ T10] [ 817.257167][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 817.257167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 817.257167][ T10] ipv6_find_idev+0x102/0x170 [ 817.257167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.257167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.257167][ T10] netlink_rcv_skb+0x130/0x360 [ 817.257167][ T10] netlink_unicast+0x449/0x710 [ 817.257167][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.257167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.257167][ T10] ___sys_sendmsg+0xee/0x170 [ 817.257167][ T10] __sys_sendmsg+0xcd/0x170 [ 817.257167][ T10] do_syscall_64+0xc6/0x1e0 [ 817.257167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.257167][ T10] [ 817.258821][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 817.258821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 817.258821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 817.258821][ T10] ipv6_find_idev+0x102/0x170 [ 817.258821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.258821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.258821][ T10] netlink_rcv_skb+0x130/0x360 [ 817.258821][ T10] netlink_unicast+0x449/0x710 [ 817.258821][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.258821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.258821][ T10] ___sys_sendmsg+0xee/0x170 [ 817.258821][ T10] __sys_sendmsg+0xcd/0x170 [ 817.258821][ T10] do_syscall_64+0xc6/0x1e0 [ 817.258821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.258821][ T10] [ 817.260652][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 817.260922][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 817.260922][ T10] netdev_get_by_index+0x5e/0x80 [ 817.260922][ T10] fib6_nh_init+0x3d8/0x15b0 [ 817.260922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 817.260922][ T10] addrconf_f6i_alloc+0x244/0x410 [ 817.260922][ T10] ipv6_add_addr+0x411/0x2000 [ 817.260922][ T10] inet6_addr_add+0x30e/0xa40 [ 817.260922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 817.260922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.260922][ T10] netlink_rcv_skb+0x130/0x360 [ 817.260922][ T10] netlink_unicast+0x449/0x710 [ 817.260922][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.260922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.260922][ T10] ___sys_sendmsg+0xee/0x170 [ 817.260922][ T10] __sys_sendmsg+0xcd/0x170 [ 817.260922][ T10] do_syscall_64+0xc6/0x1e0 [ 817.260922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.260922][ T10] [ 817.263052][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 817.263052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 817.263052][ T10] ipv6_find_idev+0x102/0x170 [ 817.263052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.263052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.263052][ T10] netlink_rcv_skb+0x130/0x360 [ 817.263052][ T10] netlink_unicast+0x449/0x710 [ 817.263052][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.263052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.263052][ T10] ___sys_sendmsg+0xee/0x170 [ 817.263052][ T10] __sys_sendmsg+0xcd/0x170 [ 817.263052][ T10] do_syscall_64+0xc6/0x1e0 [ 817.263052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.263052][ T10] [ 817.264595][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 817.264595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 817.264595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 817.264595][ T10] ipv6_find_idev+0x102/0x170 [ 817.264595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.264595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.264595][ T10] netlink_rcv_skb+0x130/0x360 [ 817.264595][ T10] netlink_unicast+0x449/0x710 [ 817.264595][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.264595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.264595][ T10] ___sys_sendmsg+0xee/0x170 [ 817.264595][ T10] __sys_sendmsg+0xcd/0x170 [ 817.264595][ T10] do_syscall_64+0xc6/0x1e0 [ 817.264595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.264595][ T10] [ 817.266483][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 817.266751][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 817.266751][ T10] netdev_get_by_index+0x5e/0x80 [ 817.266751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 817.266751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 817.266751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 817.266751][ T10] ipv6_add_addr+0x411/0x2000 [ 817.266751][ T10] inet6_addr_add+0x30e/0xa40 [ 817.266751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 817.266751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.266751][ T10] netlink_rcv_skb+0x130/0x360 [ 817.266751][ T10] netlink_unicast+0x449/0x710 [ 817.266751][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.266751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.266751][ T10] ___sys_sendmsg+0xee/0x170 [ 817.266751][ T10] __sys_sendmsg+0xcd/0x170 [ 817.266751][ T10] do_syscall_64+0xc6/0x1e0 [ 817.266751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.266751][ T10] [ 817.268811][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 817.268811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 817.268811][ T10] ipv6_find_idev+0x102/0x170 [ 817.268811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.268811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.268811][ T10] netlink_rcv_skb+0x130/0x360 [ 817.268811][ T10] netlink_unicast+0x449/0x710 [ 817.268811][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.268811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.268811][ T10] ___sys_sendmsg+0xee/0x170 [ 817.268811][ T10] __sys_sendmsg+0xcd/0x170 [ 817.268811][ T10] do_syscall_64+0xc6/0x1e0 [ 817.268811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.268811][ T10] [ 817.270566][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 817.270566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 817.270566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 817.270566][ T10] ipv6_find_idev+0x102/0x170 [ 817.270566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.270566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.270566][ T10] netlink_rcv_skb+0x130/0x360 [ 817.270566][ T10] netlink_unicast+0x449/0x710 [ 817.270566][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.270566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.270566][ T10] ___sys_sendmsg+0xee/0x170 [ 817.270566][ T10] __sys_sendmsg+0xcd/0x170 [ 817.270566][ T10] do_syscall_64+0xc6/0x1e0 [ 817.270566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.270566][ T10] [ 817.272387][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 817.272710][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 817.272710][ T10] netdev_get_by_index+0x5e/0x80 [ 817.272710][ T10] fib6_nh_init+0x3d8/0x15b0 [ 817.272710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 817.272710][ T10] addrconf_f6i_alloc+0x244/0x410 [ 817.272710][ T10] ipv6_add_addr+0x411/0x2000 [ 817.272710][ T10] inet6_addr_add+0x30e/0xa40 [ 817.272710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 817.272710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.272710][ T10] netlink_rcv_skb+0x130/0x360 [ 817.272710][ T10] netlink_unicast+0x449/0x710 [ 817.272710][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.272710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.272710][ T10] ___sys_sendmsg+0xee/0x170 [ 817.272710][ T10] __sys_sendmsg+0xcd/0x170 [ 817.272710][ T10] do_syscall_64+0xc6/0x1e0 [ 817.272710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.272710][ T10] [ 817.274692][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 817.274692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 817.274692][ T10] ipv6_find_idev+0x102/0x170 [ 817.274692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.274692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.274692][ T10] netlink_rcv_skb+0x130/0x360 [ 817.274692][ T10] netlink_unicast+0x449/0x710 [ 817.274692][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.274692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.274692][ T10] ___sys_sendmsg+0xee/0x170 [ 817.274692][ T10] __sys_sendmsg+0xcd/0x170 [ 817.274692][ T10] do_syscall_64+0xc6/0x1e0 [ 817.274692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.274692][ T10] [ 817.276382][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 817.276382][ T10] neigh_parms_alloc+0x1e5/0x510 [ 817.276382][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 817.276382][ T10] ipv6_find_idev+0x102/0x170 [ 817.276382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.276382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.276382][ T10] netlink_rcv_skb+0x130/0x360 [ 817.276382][ T10] netlink_unicast+0x449/0x710 [ 817.276382][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.276382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.276382][ T10] ___sys_sendmsg+0xee/0x170 [ 817.276382][ T10] __sys_sendmsg+0xcd/0x170 [ 817.276382][ T10] do_syscall_64+0xc6/0x1e0 [ 817.276382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.276382][ T10] [ 817.278632][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 817.278918][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 817.278918][ T10] netdev_get_by_index+0x5e/0x80 [ 817.278918][ T10] fib6_nh_init+0x3d8/0x15b0 [ 817.278918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 817.278918][ T10] addrconf_f6i_alloc+0x244/0x410 [ 817.278918][ T10] ipv6_add_addr+0x411/0x2000 [ 817.278918][ T10] inet6_addr_add+0x30e/0xa40 [ 817.278918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 817.278918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.278918][ T10] netlink_rcv_skb+0x130/0x360 [ 817.278918][ T10] netlink_unicast+0x449/0x710 [ 817.278918][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.278918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.278918][ T10] ___sys_sendmsg+0xee/0x170 [ 817.278918][ T10] __sys_sendmsg+0xcd/0x170 [ 817.278918][ T10] do_syscall_64+0xc6/0x1e0 [ 817.278918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.278918][ T10] [ 817.281127][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 817.281127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 817.281127][ T10] ipv6_find_idev+0x102/0x170 [ 817.281127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.281127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.281127][ T10] netlink_rcv_skb+0x130/0x360 [ 817.281127][ T10] netlink_unicast+0x449/0x710 [ 817.281127][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.281127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.281127][ T10] ___sys_sendmsg+0xee/0x170 [ 817.281127][ T10] __sys_sendmsg+0xcd/0x170 [ 817.281127][ T10] do_syscall_64+0xc6/0x1e0 [ 817.281127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.281127][ T10] [ 817.282814][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 817.282814][ T10] neigh_parms_alloc+0x1e5/0x510 [ 817.282814][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 817.282814][ T10] ipv6_find_idev+0x102/0x170 [ 817.282814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.282814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.282814][ T10] netlink_rcv_skb+0x130/0x360 [ 817.282814][ T10] netlink_unicast+0x449/0x710 [ 817.282814][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.282814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.282814][ T10] ___sys_sendmsg+0xee/0x170 [ 817.282814][ T10] __sys_sendmsg+0xcd/0x170 [ 817.282814][ T10] do_syscall_64+0xc6/0x1e0 [ 817.282814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.282814][ T10] [ 817.284810][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 817.285085][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 817.285085][ T10] netdev_get_by_index+0x5e/0x80 [ 817.285085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 817.285085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 817.285085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 817.285085][ T10] ipv6_add_addr+0x411/0x2000 [ 817.285085][ T10] inet6_addr_add+0x30e/0xa40 [ 817.285085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 817.285085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.285085][ T10] netlink_rcv_skb+0x130/0x360 [ 817.285085][ T10] netlink_unicast+0x449/0x710 [ 817.285085][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.285085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.285085][ T10] ___sys_sendmsg+0xee/0x170 [ 817.285085][ T10] __sys_sendmsg+0xcd/0x170 [ 817.285085][ T10] do_syscall_64+0xc6/0x1e0 [ 817.285085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.285085][ T10] [ 817.287079][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 817.287079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 817.287079][ T10] ipv6_find_idev+0x102/0x170 [ 817.287079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.287079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.287079][ T10] netlink_rcv_skb+0x130/0x360 [ 817.287079][ T10] netlink_unicast+0x449/0x710 [ 817.287079][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.287079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.287079][ T10] ___sys_sendmsg+0xee/0x170 [ 817.287079][ T10] __sys_sendmsg+0xcd/0x170 [ 817.287079][ T10] do_syscall_64+0xc6/0x1e0 [ 817.287079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.287079][ T10] [ 817.288753][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 817.288753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 817.288753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 817.288753][ T10] ipv6_find_idev+0x102/0x170 [ 817.288753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.288753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.288753][ T10] netlink_rcv_skb+0x130/0x360 [ 817.288753][ T10] netlink_unicast+0x449/0x710 [ 817.288753][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.288753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.288753][ T10] ___sys_sendmsg+0xee/0x170 [ 817.288753][ T10] __sys_sendmsg+0xcd/0x170 [ 817.288753][ T10] do_syscall_64+0xc6/0x1e0 [ 817.288753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.288753][ T10] [ 817.290675][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 817.290936][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 817.290936][ T10] netdev_get_by_index+0x5e/0x80 [ 817.290936][ T10] fib6_nh_init+0x3d8/0x15b0 [ 817.290936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 817.290936][ T10] addrconf_f6i_alloc+0x244/0x410 [ 817.290936][ T10] ipv6_add_addr+0x411/0x2000 [ 817.290936][ T10] inet6_addr_add+0x30e/0xa40 [ 817.290936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 817.290936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.290936][ T10] netlink_rcv_skb+0x130/0x360 [ 817.290936][ T10] netlink_unicast+0x449/0x710 [ 817.290936][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.290936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.290936][ T10] ___sys_sendmsg+0xee/0x170 [ 817.290936][ T10] __sys_sendmsg+0xcd/0x170 [ 817.290936][ T10] do_syscall_64+0xc6/0x1e0 [ 817.290936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.290936][ T10] [ 817.293253][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 817.293253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 817.293253][ T10] ipv6_find_idev+0x102/0x170 [ 817.293253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.293253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.293253][ T10] netlink_rcv_skb+0x130/0x360 [ 817.293253][ T10] netlink_unicast+0x449/0x710 [ 817.293253][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.293253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.293253][ T10] ___sys_sendmsg+0xee/0x170 [ 817.293253][ T10] __sys_sendmsg+0xcd/0x170 [ 817.293253][ T10] do_syscall_64+0xc6/0x1e0 [ 817.293253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.293253][ T10] [ 817.294977][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 817.294977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 817.294977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 817.294977][ T10] ipv6_find_idev+0x102/0x170 [ 817.294977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 817.294977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 817.294977][ T10] netlink_rcv_skb+0x130/0x360 [ 817.294977][ T10] netlink_unicast+0x449/0x710 [ 817.294977][ T10] netlink_sendmsg+0x723/0xbe0 [ 817.294977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 817.294977][ T10] ___sys_sendmsg+0xee/0x170 [ 817.294977][ T10] __sys_sendmsg+0xcd/0x170 [ 817.294977][ T10] do_syscall_64+0xc6/0x1e0 [ 817.294977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 817.294977][ T10] [ 827.456231][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 827.456561][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 827.456561][ T10] netdev_get_by_index+0x5e/0x80 [ 827.456561][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.456561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.456561][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.456561][ T10] ipv6_add_addr+0x411/0x2000 [ 827.456561][ T10] inet6_addr_add+0x30e/0xa40 [ 827.456561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.456561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.456561][ T10] netlink_rcv_skb+0x130/0x360 [ 827.456561][ T10] netlink_unicast+0x449/0x710 [ 827.456561][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.456561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.456561][ T10] ___sys_sendmsg+0xee/0x170 [ 827.456561][ T10] __sys_sendmsg+0xcd/0x170 [ 827.456561][ T10] do_syscall_64+0xc6/0x1e0 [ 827.456561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.456561][ T10] [ 827.458561][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 827.458561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.458561][ T10] ipv6_find_idev+0x102/0x170 [ 827.458561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.458561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.458561][ T10] netlink_rcv_skb+0x130/0x360 [ 827.458561][ T10] netlink_unicast+0x449/0x710 [ 827.458561][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.458561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.458561][ T10] ___sys_sendmsg+0xee/0x170 [ 827.458561][ T10] __sys_sendmsg+0xcd/0x170 [ 827.458561][ T10] do_syscall_64+0xc6/0x1e0 [ 827.458561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.458561][ T10] [ 827.460120][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 827.460120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.460120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.460120][ T10] ipv6_find_idev+0x102/0x170 [ 827.460120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.460120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.460120][ T10] netlink_rcv_skb+0x130/0x360 [ 827.460120][ T10] netlink_unicast+0x449/0x710 [ 827.460120][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.460120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.460120][ T10] ___sys_sendmsg+0xee/0x170 [ 827.460120][ T10] __sys_sendmsg+0xcd/0x170 [ 827.460120][ T10] do_syscall_64+0xc6/0x1e0 [ 827.460120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.460120][ T10] [ 827.461797][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 827.462069][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 827.462069][ T10] netdev_get_by_index+0x5e/0x80 [ 827.462069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.462069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.462069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.462069][ T10] ipv6_add_addr+0x411/0x2000 [ 827.462069][ T10] inet6_addr_add+0x30e/0xa40 [ 827.462069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.462069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.462069][ T10] netlink_rcv_skb+0x130/0x360 [ 827.462069][ T10] netlink_unicast+0x449/0x710 [ 827.462069][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.462069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.462069][ T10] ___sys_sendmsg+0xee/0x170 [ 827.462069][ T10] __sys_sendmsg+0xcd/0x170 [ 827.462069][ T10] do_syscall_64+0xc6/0x1e0 [ 827.462069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.462069][ T10] [ 827.464073][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 827.464073][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.464073][ T10] ipv6_find_idev+0x102/0x170 [ 827.464073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.464073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.464073][ T10] netlink_rcv_skb+0x130/0x360 [ 827.464073][ T10] netlink_unicast+0x449/0x710 [ 827.464073][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.464073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.464073][ T10] ___sys_sendmsg+0xee/0x170 [ 827.464073][ T10] __sys_sendmsg+0xcd/0x170 [ 827.464073][ T10] do_syscall_64+0xc6/0x1e0 [ 827.464073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.464073][ T10] [ 827.465627][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 827.465627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.465627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.465627][ T10] ipv6_find_idev+0x102/0x170 [ 827.465627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.465627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.465627][ T10] netlink_rcv_skb+0x130/0x360 [ 827.465627][ T10] netlink_unicast+0x449/0x710 [ 827.465627][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.465627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.465627][ T10] ___sys_sendmsg+0xee/0x170 [ 827.465627][ T10] __sys_sendmsg+0xcd/0x170 [ 827.465627][ T10] do_syscall_64+0xc6/0x1e0 [ 827.465627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.465627][ T10] [ 827.467337][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 827.467605][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 827.467605][ T10] netdev_get_by_index+0x5e/0x80 [ 827.467605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.467605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.467605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.467605][ T10] ipv6_add_addr+0x411/0x2000 [ 827.467605][ T10] inet6_addr_add+0x30e/0xa40 [ 827.467605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.467605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.467605][ T10] netlink_rcv_skb+0x130/0x360 [ 827.467605][ T10] netlink_unicast+0x449/0x710 [ 827.467605][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.467605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.467605][ T10] ___sys_sendmsg+0xee/0x170 [ 827.467605][ T10] __sys_sendmsg+0xcd/0x170 [ 827.467605][ T10] do_syscall_64+0xc6/0x1e0 [ 827.467605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.467605][ T10] [ 827.469630][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 827.469630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.469630][ T10] ipv6_find_idev+0x102/0x170 [ 827.469630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.469630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.469630][ T10] netlink_rcv_skb+0x130/0x360 [ 827.469630][ T10] netlink_unicast+0x449/0x710 [ 827.469630][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.469630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.469630][ T10] ___sys_sendmsg+0xee/0x170 [ 827.469630][ T10] __sys_sendmsg+0xcd/0x170 [ 827.469630][ T10] do_syscall_64+0xc6/0x1e0 [ 827.469630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.469630][ T10] [ 827.471204][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 827.471204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.471204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.471204][ T10] ipv6_find_idev+0x102/0x170 [ 827.471204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.471204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.471204][ T10] netlink_rcv_skb+0x130/0x360 [ 827.471204][ T10] netlink_unicast+0x449/0x710 [ 827.471204][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.471204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.471204][ T10] ___sys_sendmsg+0xee/0x170 [ 827.471204][ T10] __sys_sendmsg+0xcd/0x170 [ 827.471204][ T10] do_syscall_64+0xc6/0x1e0 [ 827.471204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.471204][ T10] [ 827.472886][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 827.473160][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 827.473160][ T10] netdev_get_by_index+0x5e/0x80 [ 827.473160][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.473160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.473160][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.473160][ T10] ipv6_add_addr+0x411/0x2000 [ 827.473160][ T10] inet6_addr_add+0x30e/0xa40 [ 827.473160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.473160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.473160][ T10] netlink_rcv_skb+0x130/0x360 [ 827.473160][ T10] netlink_unicast+0x449/0x710 [ 827.473160][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.473160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.473160][ T10] ___sys_sendmsg+0xee/0x170 [ 827.473160][ T10] __sys_sendmsg+0xcd/0x170 [ 827.473160][ T10] do_syscall_64+0xc6/0x1e0 [ 827.473160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.473160][ T10] [ 827.475219][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 827.475219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.475219][ T10] ipv6_find_idev+0x102/0x170 [ 827.475219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.475219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.475219][ T10] netlink_rcv_skb+0x130/0x360 [ 827.475219][ T10] netlink_unicast+0x449/0x710 [ 827.475219][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.475219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.475219][ T10] ___sys_sendmsg+0xee/0x170 [ 827.475219][ T10] __sys_sendmsg+0xcd/0x170 [ 827.475219][ T10] do_syscall_64+0xc6/0x1e0 [ 827.475219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.475219][ T10] [ 827.476894][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 827.476894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.476894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.476894][ T10] ipv6_find_idev+0x102/0x170 [ 827.476894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.476894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.476894][ T10] netlink_rcv_skb+0x130/0x360 [ 827.476894][ T10] netlink_unicast+0x449/0x710 [ 827.476894][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.476894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.476894][ T10] ___sys_sendmsg+0xee/0x170 [ 827.476894][ T10] __sys_sendmsg+0xcd/0x170 [ 827.476894][ T10] do_syscall_64+0xc6/0x1e0 [ 827.476894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.476894][ T10] [ 827.478852][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 827.479122][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 827.479122][ T10] netdev_get_by_index+0x5e/0x80 [ 827.479122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.479122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.479122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.479122][ T10] ipv6_add_addr+0x411/0x2000 [ 827.479122][ T10] inet6_addr_add+0x30e/0xa40 [ 827.479122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.479122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.479122][ T10] netlink_rcv_skb+0x130/0x360 [ 827.479122][ T10] netlink_unicast+0x449/0x710 [ 827.479122][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.479122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.479122][ T10] ___sys_sendmsg+0xee/0x170 [ 827.479122][ T10] __sys_sendmsg+0xcd/0x170 [ 827.479122][ T10] do_syscall_64+0xc6/0x1e0 [ 827.479122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.479122][ T10] [ 827.481218][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 827.481218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.481218][ T10] ipv6_find_idev+0x102/0x170 [ 827.481218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.481218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.481218][ T10] netlink_rcv_skb+0x130/0x360 [ 827.481218][ T10] netlink_unicast+0x449/0x710 [ 827.481218][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.481218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.481218][ T10] ___sys_sendmsg+0xee/0x170 [ 827.481218][ T10] __sys_sendmsg+0xcd/0x170 [ 827.481218][ T10] do_syscall_64+0xc6/0x1e0 [ 827.481218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.481218][ T10] [ 827.482903][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 827.482903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.482903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.482903][ T10] ipv6_find_idev+0x102/0x170 [ 827.482903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.482903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.482903][ T10] netlink_rcv_skb+0x130/0x360 [ 827.482903][ T10] netlink_unicast+0x449/0x710 [ 827.482903][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.482903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.482903][ T10] ___sys_sendmsg+0xee/0x170 [ 827.482903][ T10] __sys_sendmsg+0xcd/0x170 [ 827.482903][ T10] do_syscall_64+0xc6/0x1e0 [ 827.482903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.482903][ T10] [ 827.485136][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 827.485405][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 827.485405][ T10] netdev_get_by_index+0x5e/0x80 [ 827.485405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.485405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.485405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.485405][ T10] ipv6_add_addr+0x411/0x2000 [ 827.485405][ T10] inet6_addr_add+0x30e/0xa40 [ 827.485405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.485405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.485405][ T10] netlink_rcv_skb+0x130/0x360 [ 827.485405][ T10] netlink_unicast+0x449/0x710 [ 827.485405][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.485405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.485405][ T10] ___sys_sendmsg+0xee/0x170 [ 827.485405][ T10] __sys_sendmsg+0xcd/0x170 [ 827.485405][ T10] do_syscall_64+0xc6/0x1e0 [ 827.485405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.485405][ T10] [ 827.487419][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 827.487419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.487419][ T10] ipv6_find_idev+0x102/0x170 [ 827.487419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.487419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.487419][ T10] netlink_rcv_skb+0x130/0x360 [ 827.487419][ T10] netlink_unicast+0x449/0x710 [ 827.487419][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.487419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.487419][ T10] ___sys_sendmsg+0xee/0x170 [ 827.487419][ T10] __sys_sendmsg+0xcd/0x170 [ 827.487419][ T10] do_syscall_64+0xc6/0x1e0 [ 827.487419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.487419][ T10] [ 827.489177][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 827.489177][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.489177][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.489177][ T10] ipv6_find_idev+0x102/0x170 [ 827.489177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.489177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.489177][ T10] netlink_rcv_skb+0x130/0x360 [ 827.489177][ T10] netlink_unicast+0x449/0x710 [ 827.489177][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.489177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.489177][ T10] ___sys_sendmsg+0xee/0x170 [ 827.489177][ T10] __sys_sendmsg+0xcd/0x170 [ 827.489177][ T10] do_syscall_64+0xc6/0x1e0 [ 827.489177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.489177][ T10] [ 827.491148][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 827.491414][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 827.491414][ T10] netdev_get_by_index+0x5e/0x80 [ 827.491414][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.491414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.491414][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.491414][ T10] ipv6_add_addr+0x411/0x2000 [ 827.491414][ T10] inet6_addr_add+0x30e/0xa40 [ 827.491414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.491414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.491414][ T10] netlink_rcv_skb+0x130/0x360 [ 827.491414][ T10] netlink_unicast+0x449/0x710 [ 827.491414][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.491414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.491414][ T10] ___sys_sendmsg+0xee/0x170 [ 827.491414][ T10] __sys_sendmsg+0xcd/0x170 [ 827.491414][ T10] do_syscall_64+0xc6/0x1e0 [ 827.491414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.491414][ T10] [ 827.493497][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 827.493497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.493497][ T10] ipv6_find_idev+0x102/0x170 [ 827.493497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.493497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.493497][ T10] netlink_rcv_skb+0x130/0x360 [ 827.493497][ T10] netlink_unicast+0x449/0x710 [ 827.493497][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.493497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.493497][ T10] ___sys_sendmsg+0xee/0x170 [ 827.493497][ T10] __sys_sendmsg+0xcd/0x170 [ 827.493497][ T10] do_syscall_64+0xc6/0x1e0 [ 827.493497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.493497][ T10] [ 827.495120][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 827.495120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.495120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.495120][ T10] ipv6_find_idev+0x102/0x170 [ 827.495120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.495120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.495120][ T10] netlink_rcv_skb+0x130/0x360 [ 827.495120][ T10] netlink_unicast+0x449/0x710 [ 827.495120][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.495120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.495120][ T10] ___sys_sendmsg+0xee/0x170 [ 827.495120][ T10] __sys_sendmsg+0xcd/0x170 [ 827.495120][ T10] do_syscall_64+0xc6/0x1e0 [ 827.495120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.495120][ T10] [ 827.497149][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 827.497418][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 827.497418][ T10] netdev_get_by_index+0x5e/0x80 [ 827.497418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 827.497418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 827.497418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 827.497418][ T10] ipv6_add_addr+0x411/0x2000 [ 827.497418][ T10] inet6_addr_add+0x30e/0xa40 [ 827.497418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 827.497418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.497418][ T10] netlink_rcv_skb+0x130/0x360 [ 827.497418][ T10] netlink_unicast+0x449/0x710 [ 827.497418][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.497418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.497418][ T10] ___sys_sendmsg+0xee/0x170 [ 827.497418][ T10] __sys_sendmsg+0xcd/0x170 [ 827.497418][ T10] do_syscall_64+0xc6/0x1e0 [ 827.497418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.497418][ T10] [ 827.499619][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 827.499619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 827.499619][ T10] ipv6_find_idev+0x102/0x170 [ 827.499619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.499619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.499619][ T10] netlink_rcv_skb+0x130/0x360 [ 827.499619][ T10] netlink_unicast+0x449/0x710 [ 827.499619][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.499619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.499619][ T10] ___sys_sendmsg+0xee/0x170 [ 827.499619][ T10] __sys_sendmsg+0xcd/0x170 [ 827.499619][ T10] do_syscall_64+0xc6/0x1e0 [ 827.499619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.499619][ T10] [ 827.501307][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 827.501307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 827.501307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 827.501307][ T10] ipv6_find_idev+0x102/0x170 [ 827.501307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 827.501307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 827.501307][ T10] netlink_rcv_skb+0x130/0x360 [ 827.501307][ T10] netlink_unicast+0x449/0x710 [ 827.501307][ T10] netlink_sendmsg+0x723/0xbe0 [ 827.501307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 827.501307][ T10] ___sys_sendmsg+0xee/0x170 [ 827.501307][ T10] __sys_sendmsg+0xcd/0x170 [ 827.501307][ T10] do_syscall_64+0xc6/0x1e0 [ 827.501307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 827.501307][ T10] [ 837.648217][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 837.648549][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 837.648549][ T10] netdev_get_by_index+0x5e/0x80 [ 837.648549][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.648549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.648549][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.648549][ T10] ipv6_add_addr+0x411/0x2000 [ 837.648549][ T10] inet6_addr_add+0x30e/0xa40 [ 837.648549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.648549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.648549][ T10] netlink_rcv_skb+0x130/0x360 [ 837.648549][ T10] netlink_unicast+0x449/0x710 [ 837.648549][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.648549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.648549][ T10] ___sys_sendmsg+0xee/0x170 [ 837.648549][ T10] __sys_sendmsg+0xcd/0x170 [ 837.648549][ T10] do_syscall_64+0xc6/0x1e0 [ 837.648549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.648549][ T10] [ 837.650605][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 837.650605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.650605][ T10] ipv6_find_idev+0x102/0x170 [ 837.650605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.650605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.650605][ T10] netlink_rcv_skb+0x130/0x360 [ 837.650605][ T10] netlink_unicast+0x449/0x710 [ 837.650605][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.650605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.650605][ T10] ___sys_sendmsg+0xee/0x170 [ 837.650605][ T10] __sys_sendmsg+0xcd/0x170 [ 837.650605][ T10] do_syscall_64+0xc6/0x1e0 [ 837.650605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.650605][ T10] [ 837.652152][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 837.652152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.652152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.652152][ T10] ipv6_find_idev+0x102/0x170 [ 837.652152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.652152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.652152][ T10] netlink_rcv_skb+0x130/0x360 [ 837.652152][ T10] netlink_unicast+0x449/0x710 [ 837.652152][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.652152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.652152][ T10] ___sys_sendmsg+0xee/0x170 [ 837.652152][ T10] __sys_sendmsg+0xcd/0x170 [ 837.652152][ T10] do_syscall_64+0xc6/0x1e0 [ 837.652152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.652152][ T10] [ 837.653841][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 837.654115][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 837.654115][ T10] netdev_get_by_index+0x5e/0x80 [ 837.654115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.654115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.654115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.654115][ T10] ipv6_add_addr+0x411/0x2000 [ 837.654115][ T10] inet6_addr_add+0x30e/0xa40 [ 837.654115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.654115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.654115][ T10] netlink_rcv_skb+0x130/0x360 [ 837.654115][ T10] netlink_unicast+0x449/0x710 [ 837.654115][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.654115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.654115][ T10] ___sys_sendmsg+0xee/0x170 [ 837.654115][ T10] __sys_sendmsg+0xcd/0x170 [ 837.654115][ T10] do_syscall_64+0xc6/0x1e0 [ 837.654115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.654115][ T10] [ 837.656143][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 837.656143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.656143][ T10] ipv6_find_idev+0x102/0x170 [ 837.656143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.656143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.656143][ T10] netlink_rcv_skb+0x130/0x360 [ 837.656143][ T10] netlink_unicast+0x449/0x710 [ 837.656143][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.656143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.656143][ T10] ___sys_sendmsg+0xee/0x170 [ 837.656143][ T10] __sys_sendmsg+0xcd/0x170 [ 837.656143][ T10] do_syscall_64+0xc6/0x1e0 [ 837.656143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.656143][ T10] [ 837.657688][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 837.657688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.657688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.657688][ T10] ipv6_find_idev+0x102/0x170 [ 837.657688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.657688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.657688][ T10] netlink_rcv_skb+0x130/0x360 [ 837.657688][ T10] netlink_unicast+0x449/0x710 [ 837.657688][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.657688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.657688][ T10] ___sys_sendmsg+0xee/0x170 [ 837.657688][ T10] __sys_sendmsg+0xcd/0x170 [ 837.657688][ T10] do_syscall_64+0xc6/0x1e0 [ 837.657688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.657688][ T10] [ 837.659374][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 837.659640][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 837.659640][ T10] netdev_get_by_index+0x5e/0x80 [ 837.659640][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.659640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.659640][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.659640][ T10] ipv6_add_addr+0x411/0x2000 [ 837.659640][ T10] inet6_addr_add+0x30e/0xa40 [ 837.659640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.659640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.659640][ T10] netlink_rcv_skb+0x130/0x360 [ 837.659640][ T10] netlink_unicast+0x449/0x710 [ 837.659640][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.659640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.659640][ T10] ___sys_sendmsg+0xee/0x170 [ 837.659640][ T10] __sys_sendmsg+0xcd/0x170 [ 837.659640][ T10] do_syscall_64+0xc6/0x1e0 [ 837.659640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.659640][ T10] [ 837.661630][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 837.661630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.661630][ T10] ipv6_find_idev+0x102/0x170 [ 837.661630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.661630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.661630][ T10] netlink_rcv_skb+0x130/0x360 [ 837.661630][ T10] netlink_unicast+0x449/0x710 [ 837.661630][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.661630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.661630][ T10] ___sys_sendmsg+0xee/0x170 [ 837.661630][ T10] __sys_sendmsg+0xcd/0x170 [ 837.661630][ T10] do_syscall_64+0xc6/0x1e0 [ 837.661630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.661630][ T10] [ 837.663170][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 837.663170][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.663170][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.663170][ T10] ipv6_find_idev+0x102/0x170 [ 837.663170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.663170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.663170][ T10] netlink_rcv_skb+0x130/0x360 [ 837.663170][ T10] netlink_unicast+0x449/0x710 [ 837.663170][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.663170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.663170][ T10] ___sys_sendmsg+0xee/0x170 [ 837.663170][ T10] __sys_sendmsg+0xcd/0x170 [ 837.663170][ T10] do_syscall_64+0xc6/0x1e0 [ 837.663170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.663170][ T10] [ 837.664830][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 837.665096][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 837.665096][ T10] netdev_get_by_index+0x5e/0x80 [ 837.665096][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.665096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.665096][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.665096][ T10] ipv6_add_addr+0x411/0x2000 [ 837.665096][ T10] inet6_addr_add+0x30e/0xa40 [ 837.665096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.665096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.665096][ T10] netlink_rcv_skb+0x130/0x360 [ 837.665096][ T10] netlink_unicast+0x449/0x710 [ 837.665096][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.665096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.665096][ T10] ___sys_sendmsg+0xee/0x170 [ 837.665096][ T10] __sys_sendmsg+0xcd/0x170 [ 837.665096][ T10] do_syscall_64+0xc6/0x1e0 [ 837.665096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.665096][ T10] [ 837.667059][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 837.667059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.667059][ T10] ipv6_find_idev+0x102/0x170 [ 837.667059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.667059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.667059][ T10] netlink_rcv_skb+0x130/0x360 [ 837.667059][ T10] netlink_unicast+0x449/0x710 [ 837.667059][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.667059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.667059][ T10] ___sys_sendmsg+0xee/0x170 [ 837.667059][ T10] __sys_sendmsg+0xcd/0x170 [ 837.667059][ T10] do_syscall_64+0xc6/0x1e0 [ 837.667059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.667059][ T10] [ 837.668588][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 837.668588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.668588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.668588][ T10] ipv6_find_idev+0x102/0x170 [ 837.668588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.668588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.668588][ T10] netlink_rcv_skb+0x130/0x360 [ 837.668588][ T10] netlink_unicast+0x449/0x710 [ 837.668588][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.668588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.668588][ T10] ___sys_sendmsg+0xee/0x170 [ 837.668588][ T10] __sys_sendmsg+0xcd/0x170 [ 837.668588][ T10] do_syscall_64+0xc6/0x1e0 [ 837.668588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.668588][ T10] [ 837.670413][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 837.670760][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 837.670760][ T10] netdev_get_by_index+0x5e/0x80 [ 837.670760][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.670760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.670760][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.670760][ T10] ipv6_add_addr+0x411/0x2000 [ 837.670760][ T10] inet6_addr_add+0x30e/0xa40 [ 837.670760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.670760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.670760][ T10] netlink_rcv_skb+0x130/0x360 [ 837.670760][ T10] netlink_unicast+0x449/0x710 [ 837.670760][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.670760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.670760][ T10] ___sys_sendmsg+0xee/0x170 [ 837.670760][ T10] __sys_sendmsg+0xcd/0x170 [ 837.670760][ T10] do_syscall_64+0xc6/0x1e0 [ 837.670760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.670760][ T10] [ 837.672885][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 837.672885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.672885][ T10] ipv6_find_idev+0x102/0x170 [ 837.672885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.672885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.672885][ T10] netlink_rcv_skb+0x130/0x360 [ 837.672885][ T10] netlink_unicast+0x449/0x710 [ 837.672885][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.672885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.672885][ T10] ___sys_sendmsg+0xee/0x170 [ 837.672885][ T10] __sys_sendmsg+0xcd/0x170 [ 837.672885][ T10] do_syscall_64+0xc6/0x1e0 [ 837.672885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.672885][ T10] [ 837.674508][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 837.674508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.674508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.674508][ T10] ipv6_find_idev+0x102/0x170 [ 837.674508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.674508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.674508][ T10] netlink_rcv_skb+0x130/0x360 [ 837.674508][ T10] netlink_unicast+0x449/0x710 [ 837.674508][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.674508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.674508][ T10] ___sys_sendmsg+0xee/0x170 [ 837.674508][ T10] __sys_sendmsg+0xcd/0x170 [ 837.674508][ T10] do_syscall_64+0xc6/0x1e0 [ 837.674508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.674508][ T10] [ 837.676713][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 837.676973][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 837.676973][ T10] netdev_get_by_index+0x5e/0x80 [ 837.676973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.676973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.676973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.676973][ T10] ipv6_add_addr+0x411/0x2000 [ 837.676973][ T10] inet6_addr_add+0x30e/0xa40 [ 837.676973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.676973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.676973][ T10] netlink_rcv_skb+0x130/0x360 [ 837.676973][ T10] netlink_unicast+0x449/0x710 [ 837.676973][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.676973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.676973][ T10] ___sys_sendmsg+0xee/0x170 [ 837.676973][ T10] __sys_sendmsg+0xcd/0x170 [ 837.676973][ T10] do_syscall_64+0xc6/0x1e0 [ 837.676973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.676973][ T10] [ 837.679047][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 837.679047][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.679047][ T10] ipv6_find_idev+0x102/0x170 [ 837.679047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.679047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.679047][ T10] netlink_rcv_skb+0x130/0x360 [ 837.679047][ T10] netlink_unicast+0x449/0x710 [ 837.679047][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.679047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.679047][ T10] ___sys_sendmsg+0xee/0x170 [ 837.679047][ T10] __sys_sendmsg+0xcd/0x170 [ 837.679047][ T10] do_syscall_64+0xc6/0x1e0 [ 837.679047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.679047][ T10] [ 837.680757][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 837.680757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.680757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.680757][ T10] ipv6_find_idev+0x102/0x170 [ 837.680757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.680757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.680757][ T10] netlink_rcv_skb+0x130/0x360 [ 837.680757][ T10] netlink_unicast+0x449/0x710 [ 837.680757][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.680757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.680757][ T10] ___sys_sendmsg+0xee/0x170 [ 837.680757][ T10] __sys_sendmsg+0xcd/0x170 [ 837.680757][ T10] do_syscall_64+0xc6/0x1e0 [ 837.680757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.680757][ T10] [ 837.682744][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 837.683006][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 837.683006][ T10] netdev_get_by_index+0x5e/0x80 [ 837.683006][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.683006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.683006][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.683006][ T10] ipv6_add_addr+0x411/0x2000 [ 837.683006][ T10] inet6_addr_add+0x30e/0xa40 [ 837.683006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.683006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.683006][ T10] netlink_rcv_skb+0x130/0x360 [ 837.683006][ T10] netlink_unicast+0x449/0x710 [ 837.683006][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.683006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.683006][ T10] ___sys_sendmsg+0xee/0x170 [ 837.683006][ T10] __sys_sendmsg+0xcd/0x170 [ 837.683006][ T10] do_syscall_64+0xc6/0x1e0 [ 837.683006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.683006][ T10] [ 837.684976][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 837.684976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.684976][ T10] ipv6_find_idev+0x102/0x170 [ 837.684976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.684976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.684976][ T10] netlink_rcv_skb+0x130/0x360 [ 837.684976][ T10] netlink_unicast+0x449/0x710 [ 837.684976][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.684976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.684976][ T10] ___sys_sendmsg+0xee/0x170 [ 837.684976][ T10] __sys_sendmsg+0xcd/0x170 [ 837.684976][ T10] do_syscall_64+0xc6/0x1e0 [ 837.684976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.684976][ T10] [ 837.686476][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 837.686476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.686476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.686476][ T10] ipv6_find_idev+0x102/0x170 [ 837.686476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.686476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.686476][ T10] netlink_rcv_skb+0x130/0x360 [ 837.686476][ T10] netlink_unicast+0x449/0x710 [ 837.686476][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.686476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.686476][ T10] ___sys_sendmsg+0xee/0x170 [ 837.686476][ T10] __sys_sendmsg+0xcd/0x170 [ 837.686476][ T10] do_syscall_64+0xc6/0x1e0 [ 837.686476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.686476][ T10] [ 837.688319][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 837.688579][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 837.688579][ T10] netdev_get_by_index+0x5e/0x80 [ 837.688579][ T10] fib6_nh_init+0x3d8/0x15b0 [ 837.688579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 837.688579][ T10] addrconf_f6i_alloc+0x244/0x410 [ 837.688579][ T10] ipv6_add_addr+0x411/0x2000 [ 837.688579][ T10] inet6_addr_add+0x30e/0xa40 [ 837.688579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 837.688579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.688579][ T10] netlink_rcv_skb+0x130/0x360 [ 837.688579][ T10] netlink_unicast+0x449/0x710 [ 837.688579][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.688579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.688579][ T10] ___sys_sendmsg+0xee/0x170 [ 837.688579][ T10] __sys_sendmsg+0xcd/0x170 [ 837.688579][ T10] do_syscall_64+0xc6/0x1e0 [ 837.688579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.688579][ T10] [ 837.690620][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 837.690620][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 837.690620][ T10] ipv6_find_idev+0x102/0x170 [ 837.690620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.690620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.690620][ T10] netlink_rcv_skb+0x130/0x360 [ 837.690620][ T10] netlink_unicast+0x449/0x710 [ 837.690620][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.690620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.690620][ T10] ___sys_sendmsg+0xee/0x170 [ 837.690620][ T10] __sys_sendmsg+0xcd/0x170 [ 837.690620][ T10] do_syscall_64+0xc6/0x1e0 [ 837.690620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.690620][ T10] [ 837.692204][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 837.692204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 837.692204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 837.692204][ T10] ipv6_find_idev+0x102/0x170 [ 837.692204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 837.692204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 837.692204][ T10] netlink_rcv_skb+0x130/0x360 [ 837.692204][ T10] netlink_unicast+0x449/0x710 [ 837.692204][ T10] netlink_sendmsg+0x723/0xbe0 [ 837.692204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 837.692204][ T10] ___sys_sendmsg+0xee/0x170 [ 837.692204][ T10] __sys_sendmsg+0xcd/0x170 [ 837.692204][ T10] do_syscall_64+0xc6/0x1e0 [ 837.692204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 837.692204][ T10] [ 847.840239][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 847.840599][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 847.840599][ T10] netdev_get_by_index+0x5e/0x80 [ 847.840599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.840599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.840599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.840599][ T10] ipv6_add_addr+0x411/0x2000 [ 847.840599][ T10] inet6_addr_add+0x30e/0xa40 [ 847.840599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.840599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.840599][ T10] netlink_rcv_skb+0x130/0x360 [ 847.840599][ T10] netlink_unicast+0x449/0x710 [ 847.840599][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.840599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.840599][ T10] ___sys_sendmsg+0xee/0x170 [ 847.840599][ T10] __sys_sendmsg+0xcd/0x170 [ 847.840599][ T10] do_syscall_64+0xc6/0x1e0 [ 847.840599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.840599][ T10] [ 847.842747][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 847.842747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.842747][ T10] ipv6_find_idev+0x102/0x170 [ 847.842747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.842747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.842747][ T10] netlink_rcv_skb+0x130/0x360 [ 847.842747][ T10] netlink_unicast+0x449/0x710 [ 847.842747][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.842747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.842747][ T10] ___sys_sendmsg+0xee/0x170 [ 847.842747][ T10] __sys_sendmsg+0xcd/0x170 [ 847.842747][ T10] do_syscall_64+0xc6/0x1e0 [ 847.842747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.842747][ T10] [ 847.844390][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 847.844390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.844390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.844390][ T10] ipv6_find_idev+0x102/0x170 [ 847.844390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.844390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.844390][ T10] netlink_rcv_skb+0x130/0x360 [ 847.844390][ T10] netlink_unicast+0x449/0x710 [ 847.844390][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.844390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.844390][ T10] ___sys_sendmsg+0xee/0x170 [ 847.844390][ T10] __sys_sendmsg+0xcd/0x170 [ 847.844390][ T10] do_syscall_64+0xc6/0x1e0 [ 847.844390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.844390][ T10] [ 847.846177][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 847.846464][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 847.846464][ T10] netdev_get_by_index+0x5e/0x80 [ 847.846464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.846464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.846464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.846464][ T10] ipv6_add_addr+0x411/0x2000 [ 847.846464][ T10] inet6_addr_add+0x30e/0xa40 [ 847.846464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.846464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.846464][ T10] netlink_rcv_skb+0x130/0x360 [ 847.846464][ T10] netlink_unicast+0x449/0x710 [ 847.846464][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.846464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.846464][ T10] ___sys_sendmsg+0xee/0x170 [ 847.846464][ T10] __sys_sendmsg+0xcd/0x170 [ 847.846464][ T10] do_syscall_64+0xc6/0x1e0 [ 847.846464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.846464][ T10] [ 847.848548][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 847.848548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.848548][ T10] ipv6_find_idev+0x102/0x170 [ 847.848548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.848548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.848548][ T10] netlink_rcv_skb+0x130/0x360 [ 847.848548][ T10] netlink_unicast+0x449/0x710 [ 847.848548][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.848548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.848548][ T10] ___sys_sendmsg+0xee/0x170 [ 847.848548][ T10] __sys_sendmsg+0xcd/0x170 [ 847.848548][ T10] do_syscall_64+0xc6/0x1e0 [ 847.848548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.848548][ T10] [ 847.850165][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 847.850165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.850165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.850165][ T10] ipv6_find_idev+0x102/0x170 [ 847.850165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.850165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.850165][ T10] netlink_rcv_skb+0x130/0x360 [ 847.850165][ T10] netlink_unicast+0x449/0x710 [ 847.850165][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.850165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.850165][ T10] ___sys_sendmsg+0xee/0x170 [ 847.850165][ T10] __sys_sendmsg+0xcd/0x170 [ 847.850165][ T10] do_syscall_64+0xc6/0x1e0 [ 847.850165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.850165][ T10] [ 847.851953][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 847.852256][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 847.852256][ T10] netdev_get_by_index+0x5e/0x80 [ 847.852256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.852256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.852256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.852256][ T10] ipv6_add_addr+0x411/0x2000 [ 847.852256][ T10] inet6_addr_add+0x30e/0xa40 [ 847.852256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.852256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.852256][ T10] netlink_rcv_skb+0x130/0x360 [ 847.852256][ T10] netlink_unicast+0x449/0x710 [ 847.852256][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.852256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.852256][ T10] ___sys_sendmsg+0xee/0x170 [ 847.852256][ T10] __sys_sendmsg+0xcd/0x170 [ 847.852256][ T10] do_syscall_64+0xc6/0x1e0 [ 847.852256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.852256][ T10] [ 847.854504][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 847.854504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.854504][ T10] ipv6_find_idev+0x102/0x170 [ 847.854504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.854504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.854504][ T10] netlink_rcv_skb+0x130/0x360 [ 847.854504][ T10] netlink_unicast+0x449/0x710 [ 847.854504][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.854504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.854504][ T10] ___sys_sendmsg+0xee/0x170 [ 847.854504][ T10] __sys_sendmsg+0xcd/0x170 [ 847.854504][ T10] do_syscall_64+0xc6/0x1e0 [ 847.854504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.854504][ T10] [ 847.856282][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 847.856282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.856282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.856282][ T10] ipv6_find_idev+0x102/0x170 [ 847.856282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.856282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.856282][ T10] netlink_rcv_skb+0x130/0x360 [ 847.856282][ T10] netlink_unicast+0x449/0x710 [ 847.856282][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.856282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.856282][ T10] ___sys_sendmsg+0xee/0x170 [ 847.856282][ T10] __sys_sendmsg+0xcd/0x170 [ 847.856282][ T10] do_syscall_64+0xc6/0x1e0 [ 847.856282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.856282][ T10] [ 847.858199][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 847.858467][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 847.858467][ T10] netdev_get_by_index+0x5e/0x80 [ 847.858467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.858467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.858467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.858467][ T10] ipv6_add_addr+0x411/0x2000 [ 847.858467][ T10] inet6_addr_add+0x30e/0xa40 [ 847.858467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.858467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.858467][ T10] netlink_rcv_skb+0x130/0x360 [ 847.858467][ T10] netlink_unicast+0x449/0x710 [ 847.858467][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.858467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.858467][ T10] ___sys_sendmsg+0xee/0x170 [ 847.858467][ T10] __sys_sendmsg+0xcd/0x170 [ 847.858467][ T10] do_syscall_64+0xc6/0x1e0 [ 847.858467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.858467][ T10] [ 847.860778][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 847.860778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.860778][ T10] ipv6_find_idev+0x102/0x170 [ 847.860778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.860778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.860778][ T10] netlink_rcv_skb+0x130/0x360 [ 847.860778][ T10] netlink_unicast+0x449/0x710 [ 847.860778][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.860778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.860778][ T10] ___sys_sendmsg+0xee/0x170 [ 847.860778][ T10] __sys_sendmsg+0xcd/0x170 [ 847.860778][ T10] do_syscall_64+0xc6/0x1e0 [ 847.860778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.860778][ T10] [ 847.862388][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 847.862388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.862388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.862388][ T10] ipv6_find_idev+0x102/0x170 [ 847.862388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.862388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.862388][ T10] netlink_rcv_skb+0x130/0x360 [ 847.862388][ T10] netlink_unicast+0x449/0x710 [ 847.862388][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.862388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.862388][ T10] ___sys_sendmsg+0xee/0x170 [ 847.862388][ T10] __sys_sendmsg+0xcd/0x170 [ 847.862388][ T10] do_syscall_64+0xc6/0x1e0 [ 847.862388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.862388][ T10] [ 847.864634][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 847.865288][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 847.865288][ T10] netdev_get_by_index+0x5e/0x80 [ 847.865288][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.865288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.865288][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.865288][ T10] ipv6_add_addr+0x411/0x2000 [ 847.865288][ T10] inet6_addr_add+0x30e/0xa40 [ 847.865288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.865288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.865288][ T10] netlink_rcv_skb+0x130/0x360 [ 847.865288][ T10] netlink_unicast+0x449/0x710 [ 847.865288][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.865288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.865288][ T10] ___sys_sendmsg+0xee/0x170 [ 847.865288][ T10] __sys_sendmsg+0xcd/0x170 [ 847.865288][ T10] do_syscall_64+0xc6/0x1e0 [ 847.865288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.865288][ T10] [ 847.867403][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 847.867403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.867403][ T10] ipv6_find_idev+0x102/0x170 [ 847.867403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.867403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.867403][ T10] netlink_rcv_skb+0x130/0x360 [ 847.867403][ T10] netlink_unicast+0x449/0x710 [ 847.867403][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.867403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.867403][ T10] ___sys_sendmsg+0xee/0x170 [ 847.867403][ T10] __sys_sendmsg+0xcd/0x170 [ 847.867403][ T10] do_syscall_64+0xc6/0x1e0 [ 847.867403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.867403][ T10] [ 847.869171][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 847.869171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.869171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.869171][ T10] ipv6_find_idev+0x102/0x170 [ 847.869171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.869171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.869171][ T10] netlink_rcv_skb+0x130/0x360 [ 847.869171][ T10] netlink_unicast+0x449/0x710 [ 847.869171][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.869171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.869171][ T10] ___sys_sendmsg+0xee/0x170 [ 847.869171][ T10] __sys_sendmsg+0xcd/0x170 [ 847.869171][ T10] do_syscall_64+0xc6/0x1e0 [ 847.869171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.869171][ T10] [ 847.871191][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 847.871550][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 847.871550][ T10] netdev_get_by_index+0x5e/0x80 [ 847.871550][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.871550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.871550][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.871550][ T10] ipv6_add_addr+0x411/0x2000 [ 847.871550][ T10] inet6_addr_add+0x30e/0xa40 [ 847.871550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.871550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.871550][ T10] netlink_rcv_skb+0x130/0x360 [ 847.871550][ T10] netlink_unicast+0x449/0x710 [ 847.871550][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.871550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.871550][ T10] ___sys_sendmsg+0xee/0x170 [ 847.871550][ T10] __sys_sendmsg+0xcd/0x170 [ 847.871550][ T10] do_syscall_64+0xc6/0x1e0 [ 847.871550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.871550][ T10] [ 847.873692][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 847.873692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.873692][ T10] ipv6_find_idev+0x102/0x170 [ 847.873692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.873692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.873692][ T10] netlink_rcv_skb+0x130/0x360 [ 847.873692][ T10] netlink_unicast+0x449/0x710 [ 847.873692][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.873692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.873692][ T10] ___sys_sendmsg+0xee/0x170 [ 847.873692][ T10] __sys_sendmsg+0xcd/0x170 [ 847.873692][ T10] do_syscall_64+0xc6/0x1e0 [ 847.873692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.873692][ T10] [ 847.875302][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 847.875302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.875302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.875302][ T10] ipv6_find_idev+0x102/0x170 [ 847.875302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.875302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.875302][ T10] netlink_rcv_skb+0x130/0x360 [ 847.875302][ T10] netlink_unicast+0x449/0x710 [ 847.875302][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.875302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.875302][ T10] ___sys_sendmsg+0xee/0x170 [ 847.875302][ T10] __sys_sendmsg+0xcd/0x170 [ 847.875302][ T10] do_syscall_64+0xc6/0x1e0 [ 847.875302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.875302][ T10] [ 847.877038][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 847.877367][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 847.877367][ T10] netdev_get_by_index+0x5e/0x80 [ 847.877367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.877367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.877367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.877367][ T10] ipv6_add_addr+0x411/0x2000 [ 847.877367][ T10] inet6_addr_add+0x30e/0xa40 [ 847.877367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.877367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.877367][ T10] netlink_rcv_skb+0x130/0x360 [ 847.877367][ T10] netlink_unicast+0x449/0x710 [ 847.877367][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.877367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.877367][ T10] ___sys_sendmsg+0xee/0x170 [ 847.877367][ T10] __sys_sendmsg+0xcd/0x170 [ 847.877367][ T10] do_syscall_64+0xc6/0x1e0 [ 847.877367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.877367][ T10] [ 847.879416][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 847.879416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.879416][ T10] ipv6_find_idev+0x102/0x170 [ 847.879416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.879416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.879416][ T10] netlink_rcv_skb+0x130/0x360 [ 847.879416][ T10] netlink_unicast+0x449/0x710 [ 847.879416][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.879416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.879416][ T10] ___sys_sendmsg+0xee/0x170 [ 847.879416][ T10] __sys_sendmsg+0xcd/0x170 [ 847.879416][ T10] do_syscall_64+0xc6/0x1e0 [ 847.879416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.879416][ T10] [ 847.881177][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 847.881177][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.881177][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.881177][ T10] ipv6_find_idev+0x102/0x170 [ 847.881177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.881177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.881177][ T10] netlink_rcv_skb+0x130/0x360 [ 847.881177][ T10] netlink_unicast+0x449/0x710 [ 847.881177][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.881177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.881177][ T10] ___sys_sendmsg+0xee/0x170 [ 847.881177][ T10] __sys_sendmsg+0xcd/0x170 [ 847.881177][ T10] do_syscall_64+0xc6/0x1e0 [ 847.881177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.881177][ T10] [ 847.883119][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 847.883442][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 847.883442][ T10] netdev_get_by_index+0x5e/0x80 [ 847.883442][ T10] fib6_nh_init+0x3d8/0x15b0 [ 847.883442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 847.883442][ T10] addrconf_f6i_alloc+0x244/0x410 [ 847.883442][ T10] ipv6_add_addr+0x411/0x2000 [ 847.883442][ T10] inet6_addr_add+0x30e/0xa40 [ 847.883442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 847.883442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.883442][ T10] netlink_rcv_skb+0x130/0x360 [ 847.883442][ T10] netlink_unicast+0x449/0x710 [ 847.883442][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.883442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.883442][ T10] ___sys_sendmsg+0xee/0x170 [ 847.883442][ T10] __sys_sendmsg+0xcd/0x170 [ 847.883442][ T10] do_syscall_64+0xc6/0x1e0 [ 847.883442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.883442][ T10] [ 847.885802][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 847.885802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 847.885802][ T10] ipv6_find_idev+0x102/0x170 [ 847.885802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.885802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.885802][ T10] netlink_rcv_skb+0x130/0x360 [ 847.885802][ T10] netlink_unicast+0x449/0x710 [ 847.885802][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.885802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.885802][ T10] ___sys_sendmsg+0xee/0x170 [ 847.885802][ T10] __sys_sendmsg+0xcd/0x170 [ 847.885802][ T10] do_syscall_64+0xc6/0x1e0 [ 847.885802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.885802][ T10] [ 847.887648][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 847.887648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 847.887648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 847.887648][ T10] ipv6_find_idev+0x102/0x170 [ 847.887648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 847.887648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 847.887648][ T10] netlink_rcv_skb+0x130/0x360 [ 847.887648][ T10] netlink_unicast+0x449/0x710 [ 847.887648][ T10] netlink_sendmsg+0x723/0xbe0 [ 847.887648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 847.887648][ T10] ___sys_sendmsg+0xee/0x170 [ 847.887648][ T10] __sys_sendmsg+0xcd/0x170 [ 847.887648][ T10] do_syscall_64+0xc6/0x1e0 [ 847.887648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 847.887648][ T10] [ 857.994123][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 857.994552][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 857.994552][ T10] netdev_get_by_index+0x5e/0x80 [ 857.994552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 857.994552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 857.994552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 857.994552][ T10] ipv6_add_addr+0x411/0x2000 [ 857.994552][ T10] inet6_addr_add+0x30e/0xa40 [ 857.994552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 857.994552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 857.994552][ T10] netlink_rcv_skb+0x130/0x360 [ 857.994552][ T10] netlink_unicast+0x449/0x710 [ 857.994552][ T10] netlink_sendmsg+0x723/0xbe0 [ 857.994552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 857.994552][ T10] ___sys_sendmsg+0xee/0x170 [ 857.994552][ T10] __sys_sendmsg+0xcd/0x170 [ 857.994552][ T10] do_syscall_64+0xc6/0x1e0 [ 857.994552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 857.994552][ T10] [ 857.996782][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 857.996782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 857.996782][ T10] ipv6_find_idev+0x102/0x170 [ 857.996782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 857.996782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 857.996782][ T10] netlink_rcv_skb+0x130/0x360 [ 857.996782][ T10] netlink_unicast+0x449/0x710 [ 857.996782][ T10] netlink_sendmsg+0x723/0xbe0 [ 857.996782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 857.996782][ T10] ___sys_sendmsg+0xee/0x170 [ 857.996782][ T10] __sys_sendmsg+0xcd/0x170 [ 857.996782][ T10] do_syscall_64+0xc6/0x1e0 [ 857.996782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 857.996782][ T10] [ 857.998496][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 857.998496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 857.998496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 857.998496][ T10] ipv6_find_idev+0x102/0x170 [ 857.998496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 857.998496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 857.998496][ T10] netlink_rcv_skb+0x130/0x360 [ 857.998496][ T10] netlink_unicast+0x449/0x710 [ 857.998496][ T10] netlink_sendmsg+0x723/0xbe0 [ 857.998496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 857.998496][ T10] ___sys_sendmsg+0xee/0x170 [ 857.998496][ T10] __sys_sendmsg+0xcd/0x170 [ 857.998496][ T10] do_syscall_64+0xc6/0x1e0 [ 857.998496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 857.998496][ T10] [ 858.000388][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 858.000682][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 858.000682][ T10] netdev_get_by_index+0x5e/0x80 [ 858.000682][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.000682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.000682][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.000682][ T10] ipv6_add_addr+0x411/0x2000 [ 858.000682][ T10] inet6_addr_add+0x30e/0xa40 [ 858.000682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.000682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.000682][ T10] netlink_rcv_skb+0x130/0x360 [ 858.000682][ T10] netlink_unicast+0x449/0x710 [ 858.000682][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.000682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.000682][ T10] ___sys_sendmsg+0xee/0x170 [ 858.000682][ T10] __sys_sendmsg+0xcd/0x170 [ 858.000682][ T10] do_syscall_64+0xc6/0x1e0 [ 858.000682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.000682][ T10] [ 858.002860][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 858.002860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.002860][ T10] ipv6_find_idev+0x102/0x170 [ 858.002860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.002860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.002860][ T10] netlink_rcv_skb+0x130/0x360 [ 858.002860][ T10] netlink_unicast+0x449/0x710 [ 858.002860][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.002860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.002860][ T10] ___sys_sendmsg+0xee/0x170 [ 858.002860][ T10] __sys_sendmsg+0xcd/0x170 [ 858.002860][ T10] do_syscall_64+0xc6/0x1e0 [ 858.002860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.002860][ T10] [ 858.004541][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 858.004541][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.004541][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.004541][ T10] ipv6_find_idev+0x102/0x170 [ 858.004541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.004541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.004541][ T10] netlink_rcv_skb+0x130/0x360 [ 858.004541][ T10] netlink_unicast+0x449/0x710 [ 858.004541][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.004541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.004541][ T10] ___sys_sendmsg+0xee/0x170 [ 858.004541][ T10] __sys_sendmsg+0xcd/0x170 [ 858.004541][ T10] do_syscall_64+0xc6/0x1e0 [ 858.004541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.004541][ T10] [ 858.006455][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 858.006751][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 858.006751][ T10] netdev_get_by_index+0x5e/0x80 [ 858.006751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.006751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.006751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.006751][ T10] ipv6_add_addr+0x411/0x2000 [ 858.006751][ T10] inet6_addr_add+0x30e/0xa40 [ 858.006751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.006751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.006751][ T10] netlink_rcv_skb+0x130/0x360 [ 858.006751][ T10] netlink_unicast+0x449/0x710 [ 858.006751][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.006751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.006751][ T10] ___sys_sendmsg+0xee/0x170 [ 858.006751][ T10] __sys_sendmsg+0xcd/0x170 [ 858.006751][ T10] do_syscall_64+0xc6/0x1e0 [ 858.006751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.006751][ T10] [ 858.008942][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 858.008942][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.008942][ T10] ipv6_find_idev+0x102/0x170 [ 858.008942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.008942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.008942][ T10] netlink_rcv_skb+0x130/0x360 [ 858.008942][ T10] netlink_unicast+0x449/0x710 [ 858.008942][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.008942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.008942][ T10] ___sys_sendmsg+0xee/0x170 [ 858.008942][ T10] __sys_sendmsg+0xcd/0x170 [ 858.008942][ T10] do_syscall_64+0xc6/0x1e0 [ 858.008942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.008942][ T10] [ 858.010648][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 858.010648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.010648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.010648][ T10] ipv6_find_idev+0x102/0x170 [ 858.010648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.010648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.010648][ T10] netlink_rcv_skb+0x130/0x360 [ 858.010648][ T10] netlink_unicast+0x449/0x710 [ 858.010648][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.010648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.010648][ T10] ___sys_sendmsg+0xee/0x170 [ 858.010648][ T10] __sys_sendmsg+0xcd/0x170 [ 858.010648][ T10] do_syscall_64+0xc6/0x1e0 [ 858.010648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.010648][ T10] [ 858.012637][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 858.012927][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 858.012927][ T10] netdev_get_by_index+0x5e/0x80 [ 858.012927][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.012927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.012927][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.012927][ T10] ipv6_add_addr+0x411/0x2000 [ 858.012927][ T10] inet6_addr_add+0x30e/0xa40 [ 858.012927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.012927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.012927][ T10] netlink_rcv_skb+0x130/0x360 [ 858.012927][ T10] netlink_unicast+0x449/0x710 [ 858.012927][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.012927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.012927][ T10] ___sys_sendmsg+0xee/0x170 [ 858.012927][ T10] __sys_sendmsg+0xcd/0x170 [ 858.012927][ T10] do_syscall_64+0xc6/0x1e0 [ 858.012927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.012927][ T10] [ 858.015231][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 858.015231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.015231][ T10] ipv6_find_idev+0x102/0x170 [ 858.015231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.015231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.015231][ T10] netlink_rcv_skb+0x130/0x360 [ 858.015231][ T10] netlink_unicast+0x449/0x710 [ 858.015231][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.015231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.015231][ T10] ___sys_sendmsg+0xee/0x170 [ 858.015231][ T10] __sys_sendmsg+0xcd/0x170 [ 858.015231][ T10] do_syscall_64+0xc6/0x1e0 [ 858.015231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.015231][ T10] [ 858.016981][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 858.016981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.016981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.016981][ T10] ipv6_find_idev+0x102/0x170 [ 858.016981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.016981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.016981][ T10] netlink_rcv_skb+0x130/0x360 [ 858.016981][ T10] netlink_unicast+0x449/0x710 [ 858.016981][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.016981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.016981][ T10] ___sys_sendmsg+0xee/0x170 [ 858.016981][ T10] __sys_sendmsg+0xcd/0x170 [ 858.016981][ T10] do_syscall_64+0xc6/0x1e0 [ 858.016981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.016981][ T10] [ 858.019464][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 858.019846][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 858.019846][ T10] netdev_get_by_index+0x5e/0x80 [ 858.019846][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.019846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.019846][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.019846][ T10] ipv6_add_addr+0x411/0x2000 [ 858.019846][ T10] inet6_addr_add+0x30e/0xa40 [ 858.019846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.019846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.019846][ T10] netlink_rcv_skb+0x130/0x360 [ 858.019846][ T10] netlink_unicast+0x449/0x710 [ 858.019846][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.019846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.019846][ T10] ___sys_sendmsg+0xee/0x170 [ 858.019846][ T10] __sys_sendmsg+0xcd/0x170 [ 858.019846][ T10] do_syscall_64+0xc6/0x1e0 [ 858.019846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.019846][ T10] [ 858.022055][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 858.022055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.022055][ T10] ipv6_find_idev+0x102/0x170 [ 858.022055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.022055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.022055][ T10] netlink_rcv_skb+0x130/0x360 [ 858.022055][ T10] netlink_unicast+0x449/0x710 [ 858.022055][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.022055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.022055][ T10] ___sys_sendmsg+0xee/0x170 [ 858.022055][ T10] __sys_sendmsg+0xcd/0x170 [ 858.022055][ T10] do_syscall_64+0xc6/0x1e0 [ 858.022055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.022055][ T10] [ 858.023803][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 858.023803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.023803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.023803][ T10] ipv6_find_idev+0x102/0x170 [ 858.023803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.023803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.023803][ T10] netlink_rcv_skb+0x130/0x360 [ 858.023803][ T10] netlink_unicast+0x449/0x710 [ 858.023803][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.023803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.023803][ T10] ___sys_sendmsg+0xee/0x170 [ 858.023803][ T10] __sys_sendmsg+0xcd/0x170 [ 858.023803][ T10] do_syscall_64+0xc6/0x1e0 [ 858.023803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.023803][ T10] [ 858.025902][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 858.026337][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 858.026337][ T10] netdev_get_by_index+0x5e/0x80 [ 858.026337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.026337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.026337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.026337][ T10] ipv6_add_addr+0x411/0x2000 [ 858.026337][ T10] inet6_addr_add+0x30e/0xa40 [ 858.026337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.026337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.026337][ T10] netlink_rcv_skb+0x130/0x360 [ 858.026337][ T10] netlink_unicast+0x449/0x710 [ 858.026337][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.026337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.026337][ T10] ___sys_sendmsg+0xee/0x170 [ 858.026337][ T10] __sys_sendmsg+0xcd/0x170 [ 858.026337][ T10] do_syscall_64+0xc6/0x1e0 [ 858.026337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.026337][ T10] [ 858.028651][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 858.028651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.028651][ T10] ipv6_find_idev+0x102/0x170 [ 858.028651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.028651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.028651][ T10] netlink_rcv_skb+0x130/0x360 [ 858.028651][ T10] netlink_unicast+0x449/0x710 [ 858.028651][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.028651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.028651][ T10] ___sys_sendmsg+0xee/0x170 [ 858.028651][ T10] __sys_sendmsg+0xcd/0x170 [ 858.028651][ T10] do_syscall_64+0xc6/0x1e0 [ 858.028651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.028651][ T10] [ 858.030465][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 858.030465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.030465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.030465][ T10] ipv6_find_idev+0x102/0x170 [ 858.030465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.030465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.030465][ T10] netlink_rcv_skb+0x130/0x360 [ 858.030465][ T10] netlink_unicast+0x449/0x710 [ 858.030465][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.030465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.030465][ T10] ___sys_sendmsg+0xee/0x170 [ 858.030465][ T10] __sys_sendmsg+0xcd/0x170 [ 858.030465][ T10] do_syscall_64+0xc6/0x1e0 [ 858.030465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.030465][ T10] [ 858.032560][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 858.032858][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 858.032858][ T10] netdev_get_by_index+0x5e/0x80 [ 858.032858][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.032858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.032858][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.032858][ T10] ipv6_add_addr+0x411/0x2000 [ 858.032858][ T10] inet6_addr_add+0x30e/0xa40 [ 858.032858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.032858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.032858][ T10] netlink_rcv_skb+0x130/0x360 [ 858.032858][ T10] netlink_unicast+0x449/0x710 [ 858.032858][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.032858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.032858][ T10] ___sys_sendmsg+0xee/0x170 [ 858.032858][ T10] __sys_sendmsg+0xcd/0x170 [ 858.032858][ T10] do_syscall_64+0xc6/0x1e0 [ 858.032858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.032858][ T10] [ 858.035233][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 858.035233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.035233][ T10] ipv6_find_idev+0x102/0x170 [ 858.035233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.035233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.035233][ T10] netlink_rcv_skb+0x130/0x360 [ 858.035233][ T10] netlink_unicast+0x449/0x710 [ 858.035233][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.035233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.035233][ T10] ___sys_sendmsg+0xee/0x170 [ 858.035233][ T10] __sys_sendmsg+0xcd/0x170 [ 858.035233][ T10] do_syscall_64+0xc6/0x1e0 [ 858.035233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.035233][ T10] [ 858.037160][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 858.037160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.037160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.037160][ T10] ipv6_find_idev+0x102/0x170 [ 858.037160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.037160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.037160][ T10] netlink_rcv_skb+0x130/0x360 [ 858.037160][ T10] netlink_unicast+0x449/0x710 [ 858.037160][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.037160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.037160][ T10] ___sys_sendmsg+0xee/0x170 [ 858.037160][ T10] __sys_sendmsg+0xcd/0x170 [ 858.037160][ T10] do_syscall_64+0xc6/0x1e0 [ 858.037160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.037160][ T10] [ 858.039312][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 858.039609][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 858.039609][ T10] netdev_get_by_index+0x5e/0x80 [ 858.039609][ T10] fib6_nh_init+0x3d8/0x15b0 [ 858.039609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 858.039609][ T10] addrconf_f6i_alloc+0x244/0x410 [ 858.039609][ T10] ipv6_add_addr+0x411/0x2000 [ 858.039609][ T10] inet6_addr_add+0x30e/0xa40 [ 858.039609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 858.039609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.039609][ T10] netlink_rcv_skb+0x130/0x360 [ 858.039609][ T10] netlink_unicast+0x449/0x710 [ 858.039609][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.039609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.039609][ T10] ___sys_sendmsg+0xee/0x170 [ 858.039609][ T10] __sys_sendmsg+0xcd/0x170 [ 858.039609][ T10] do_syscall_64+0xc6/0x1e0 [ 858.039609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.039609][ T10] [ 858.041867][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 858.041867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 858.041867][ T10] ipv6_find_idev+0x102/0x170 [ 858.041867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.041867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.041867][ T10] netlink_rcv_skb+0x130/0x360 [ 858.041867][ T10] netlink_unicast+0x449/0x710 [ 858.041867][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.041867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.041867][ T10] ___sys_sendmsg+0xee/0x170 [ 858.041867][ T10] __sys_sendmsg+0xcd/0x170 [ 858.041867][ T10] do_syscall_64+0xc6/0x1e0 [ 858.041867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.041867][ T10] [ 858.043723][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 858.043723][ T10] neigh_parms_alloc+0x1e5/0x510 [ 858.043723][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 858.043723][ T10] ipv6_find_idev+0x102/0x170 [ 858.043723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 858.043723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 858.043723][ T10] netlink_rcv_skb+0x130/0x360 [ 858.043723][ T10] netlink_unicast+0x449/0x710 [ 858.043723][ T10] netlink_sendmsg+0x723/0xbe0 [ 858.043723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 858.043723][ T10] ___sys_sendmsg+0xee/0x170 [ 858.043723][ T10] __sys_sendmsg+0xcd/0x170 [ 858.043723][ T10] do_syscall_64+0xc6/0x1e0 [ 858.043723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 858.043723][ T10] [ 868.176129][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 868.176489][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 868.176489][ T10] netdev_get_by_index+0x5e/0x80 [ 868.176489][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.176489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.176489][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.176489][ T10] ipv6_add_addr+0x411/0x2000 [ 868.176489][ T10] inet6_addr_add+0x30e/0xa40 [ 868.176489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.176489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.176489][ T10] netlink_rcv_skb+0x130/0x360 [ 868.176489][ T10] netlink_unicast+0x449/0x710 [ 868.176489][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.176489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.176489][ T10] ___sys_sendmsg+0xee/0x170 [ 868.176489][ T10] __sys_sendmsg+0xcd/0x170 [ 868.176489][ T10] do_syscall_64+0xc6/0x1e0 [ 868.176489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.176489][ T10] [ 868.178554][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 868.178554][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.178554][ T10] ipv6_find_idev+0x102/0x170 [ 868.178554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.178554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.178554][ T10] netlink_rcv_skb+0x130/0x360 [ 868.178554][ T10] netlink_unicast+0x449/0x710 [ 868.178554][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.178554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.178554][ T10] ___sys_sendmsg+0xee/0x170 [ 868.178554][ T10] __sys_sendmsg+0xcd/0x170 [ 868.178554][ T10] do_syscall_64+0xc6/0x1e0 [ 868.178554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.178554][ T10] [ 868.180127][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 868.180127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.180127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.180127][ T10] ipv6_find_idev+0x102/0x170 [ 868.180127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.180127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.180127][ T10] netlink_rcv_skb+0x130/0x360 [ 868.180127][ T10] netlink_unicast+0x449/0x710 [ 868.180127][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.180127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.180127][ T10] ___sys_sendmsg+0xee/0x170 [ 868.180127][ T10] __sys_sendmsg+0xcd/0x170 [ 868.180127][ T10] do_syscall_64+0xc6/0x1e0 [ 868.180127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.180127][ T10] [ 868.181851][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 868.182124][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 868.182124][ T10] netdev_get_by_index+0x5e/0x80 [ 868.182124][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.182124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.182124][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.182124][ T10] ipv6_add_addr+0x411/0x2000 [ 868.182124][ T10] inet6_addr_add+0x30e/0xa40 [ 868.182124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.182124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.182124][ T10] netlink_rcv_skb+0x130/0x360 [ 868.182124][ T10] netlink_unicast+0x449/0x710 [ 868.182124][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.182124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.182124][ T10] ___sys_sendmsg+0xee/0x170 [ 868.182124][ T10] __sys_sendmsg+0xcd/0x170 [ 868.182124][ T10] do_syscall_64+0xc6/0x1e0 [ 868.182124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.182124][ T10] [ 868.184129][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 868.184129][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.184129][ T10] ipv6_find_idev+0x102/0x170 [ 868.184129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.184129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.184129][ T10] netlink_rcv_skb+0x130/0x360 [ 868.184129][ T10] netlink_unicast+0x449/0x710 [ 868.184129][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.184129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.184129][ T10] ___sys_sendmsg+0xee/0x170 [ 868.184129][ T10] __sys_sendmsg+0xcd/0x170 [ 868.184129][ T10] do_syscall_64+0xc6/0x1e0 [ 868.184129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.184129][ T10] [ 868.185712][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 868.185712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.185712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.185712][ T10] ipv6_find_idev+0x102/0x170 [ 868.185712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.185712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.185712][ T10] netlink_rcv_skb+0x130/0x360 [ 868.185712][ T10] netlink_unicast+0x449/0x710 [ 868.185712][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.185712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.185712][ T10] ___sys_sendmsg+0xee/0x170 [ 868.185712][ T10] __sys_sendmsg+0xcd/0x170 [ 868.185712][ T10] do_syscall_64+0xc6/0x1e0 [ 868.185712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.185712][ T10] [ 868.187575][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 868.187860][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 868.187860][ T10] netdev_get_by_index+0x5e/0x80 [ 868.187860][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.187860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.187860][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.187860][ T10] ipv6_add_addr+0x411/0x2000 [ 868.187860][ T10] inet6_addr_add+0x30e/0xa40 [ 868.187860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.187860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.187860][ T10] netlink_rcv_skb+0x130/0x360 [ 868.187860][ T10] netlink_unicast+0x449/0x710 [ 868.187860][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.187860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.187860][ T10] ___sys_sendmsg+0xee/0x170 [ 868.187860][ T10] __sys_sendmsg+0xcd/0x170 [ 868.187860][ T10] do_syscall_64+0xc6/0x1e0 [ 868.187860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.187860][ T10] [ 868.190167][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 868.190167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.190167][ T10] ipv6_find_idev+0x102/0x170 [ 868.190167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.190167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.190167][ T10] netlink_rcv_skb+0x130/0x360 [ 868.190167][ T10] netlink_unicast+0x449/0x710 [ 868.190167][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.190167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.190167][ T10] ___sys_sendmsg+0xee/0x170 [ 868.190167][ T10] __sys_sendmsg+0xcd/0x170 [ 868.190167][ T10] do_syscall_64+0xc6/0x1e0 [ 868.190167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.190167][ T10] [ 868.191870][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 868.191870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.191870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.191870][ T10] ipv6_find_idev+0x102/0x170 [ 868.191870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.191870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.191870][ T10] netlink_rcv_skb+0x130/0x360 [ 868.191870][ T10] netlink_unicast+0x449/0x710 [ 868.191870][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.191870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.191870][ T10] ___sys_sendmsg+0xee/0x170 [ 868.191870][ T10] __sys_sendmsg+0xcd/0x170 [ 868.191870][ T10] do_syscall_64+0xc6/0x1e0 [ 868.191870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.191870][ T10] [ 868.193827][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 868.194103][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 868.194103][ T10] netdev_get_by_index+0x5e/0x80 [ 868.194103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.194103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.194103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.194103][ T10] ipv6_add_addr+0x411/0x2000 [ 868.194103][ T10] inet6_addr_add+0x30e/0xa40 [ 868.194103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.194103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.194103][ T10] netlink_rcv_skb+0x130/0x360 [ 868.194103][ T10] netlink_unicast+0x449/0x710 [ 868.194103][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.194103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.194103][ T10] ___sys_sendmsg+0xee/0x170 [ 868.194103][ T10] __sys_sendmsg+0xcd/0x170 [ 868.194103][ T10] do_syscall_64+0xc6/0x1e0 [ 868.194103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.194103][ T10] [ 868.196374][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 868.196374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.196374][ T10] ipv6_find_idev+0x102/0x170 [ 868.196374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.196374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.196374][ T10] netlink_rcv_skb+0x130/0x360 [ 868.196374][ T10] netlink_unicast+0x449/0x710 [ 868.196374][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.196374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.196374][ T10] ___sys_sendmsg+0xee/0x170 [ 868.196374][ T10] __sys_sendmsg+0xcd/0x170 [ 868.196374][ T10] do_syscall_64+0xc6/0x1e0 [ 868.196374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.196374][ T10] [ 868.198100][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 868.198100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.198100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.198100][ T10] ipv6_find_idev+0x102/0x170 [ 868.198100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.198100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.198100][ T10] netlink_rcv_skb+0x130/0x360 [ 868.198100][ T10] netlink_unicast+0x449/0x710 [ 868.198100][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.198100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.198100][ T10] ___sys_sendmsg+0xee/0x170 [ 868.198100][ T10] __sys_sendmsg+0xcd/0x170 [ 868.198100][ T10] do_syscall_64+0xc6/0x1e0 [ 868.198100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.198100][ T10] [ 868.200016][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 868.200815][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 868.200815][ T10] netdev_get_by_index+0x5e/0x80 [ 868.200815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.200815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.200815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.200815][ T10] ipv6_add_addr+0x411/0x2000 [ 868.200815][ T10] inet6_addr_add+0x30e/0xa40 [ 868.200815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.200815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.200815][ T10] netlink_rcv_skb+0x130/0x360 [ 868.200815][ T10] netlink_unicast+0x449/0x710 [ 868.200815][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.200815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.200815][ T10] ___sys_sendmsg+0xee/0x170 [ 868.200815][ T10] __sys_sendmsg+0xcd/0x170 [ 868.200815][ T10] do_syscall_64+0xc6/0x1e0 [ 868.200815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.200815][ T10] [ 868.202816][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 868.202816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.202816][ T10] ipv6_find_idev+0x102/0x170 [ 868.202816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.202816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.202816][ T10] netlink_rcv_skb+0x130/0x360 [ 868.202816][ T10] netlink_unicast+0x449/0x710 [ 868.202816][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.202816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.202816][ T10] ___sys_sendmsg+0xee/0x170 [ 868.202816][ T10] __sys_sendmsg+0xcd/0x170 [ 868.202816][ T10] do_syscall_64+0xc6/0x1e0 [ 868.202816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.202816][ T10] [ 868.204376][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 868.204376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.204376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.204376][ T10] ipv6_find_idev+0x102/0x170 [ 868.204376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.204376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.204376][ T10] netlink_rcv_skb+0x130/0x360 [ 868.204376][ T10] netlink_unicast+0x449/0x710 [ 868.204376][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.204376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.204376][ T10] ___sys_sendmsg+0xee/0x170 [ 868.204376][ T10] __sys_sendmsg+0xcd/0x170 [ 868.204376][ T10] do_syscall_64+0xc6/0x1e0 [ 868.204376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.204376][ T10] [ 868.206314][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 868.206636][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 868.206636][ T10] netdev_get_by_index+0x5e/0x80 [ 868.206636][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.206636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.206636][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.206636][ T10] ipv6_add_addr+0x411/0x2000 [ 868.206636][ T10] inet6_addr_add+0x30e/0xa40 [ 868.206636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.206636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.206636][ T10] netlink_rcv_skb+0x130/0x360 [ 868.206636][ T10] netlink_unicast+0x449/0x710 [ 868.206636][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.206636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.206636][ T10] ___sys_sendmsg+0xee/0x170 [ 868.206636][ T10] __sys_sendmsg+0xcd/0x170 [ 868.206636][ T10] do_syscall_64+0xc6/0x1e0 [ 868.206636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.206636][ T10] [ 868.208691][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 868.208691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.208691][ T10] ipv6_find_idev+0x102/0x170 [ 868.208691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.208691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.208691][ T10] netlink_rcv_skb+0x130/0x360 [ 868.208691][ T10] netlink_unicast+0x449/0x710 [ 868.208691][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.208691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.208691][ T10] ___sys_sendmsg+0xee/0x170 [ 868.208691][ T10] __sys_sendmsg+0xcd/0x170 [ 868.208691][ T10] do_syscall_64+0xc6/0x1e0 [ 868.208691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.208691][ T10] [ 868.210258][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 868.210258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.210258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.210258][ T10] ipv6_find_idev+0x102/0x170 [ 868.210258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.210258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.210258][ T10] netlink_rcv_skb+0x130/0x360 [ 868.210258][ T10] netlink_unicast+0x449/0x710 [ 868.210258][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.210258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.210258][ T10] ___sys_sendmsg+0xee/0x170 [ 868.210258][ T10] __sys_sendmsg+0xcd/0x170 [ 868.210258][ T10] do_syscall_64+0xc6/0x1e0 [ 868.210258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.210258][ T10] [ 868.212007][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 868.212330][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 868.212330][ T10] netdev_get_by_index+0x5e/0x80 [ 868.212330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.212330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.212330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.212330][ T10] ipv6_add_addr+0x411/0x2000 [ 868.212330][ T10] inet6_addr_add+0x30e/0xa40 [ 868.212330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.212330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.212330][ T10] netlink_rcv_skb+0x130/0x360 [ 868.212330][ T10] netlink_unicast+0x449/0x710 [ 868.212330][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.212330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.212330][ T10] ___sys_sendmsg+0xee/0x170 [ 868.212330][ T10] __sys_sendmsg+0xcd/0x170 [ 868.212330][ T10] do_syscall_64+0xc6/0x1e0 [ 868.212330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.212330][ T10] [ 868.214332][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 868.214332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.214332][ T10] ipv6_find_idev+0x102/0x170 [ 868.214332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.214332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.214332][ T10] netlink_rcv_skb+0x130/0x360 [ 868.214332][ T10] netlink_unicast+0x449/0x710 [ 868.214332][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.214332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.214332][ T10] ___sys_sendmsg+0xee/0x170 [ 868.214332][ T10] __sys_sendmsg+0xcd/0x170 [ 868.214332][ T10] do_syscall_64+0xc6/0x1e0 [ 868.214332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.214332][ T10] [ 868.215980][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 868.215980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.215980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.215980][ T10] ipv6_find_idev+0x102/0x170 [ 868.215980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.215980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.215980][ T10] netlink_rcv_skb+0x130/0x360 [ 868.215980][ T10] netlink_unicast+0x449/0x710 [ 868.215980][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.215980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.215980][ T10] ___sys_sendmsg+0xee/0x170 [ 868.215980][ T10] __sys_sendmsg+0xcd/0x170 [ 868.215980][ T10] do_syscall_64+0xc6/0x1e0 [ 868.215980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.215980][ T10] [ 868.217990][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 868.218311][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 868.218311][ T10] netdev_get_by_index+0x5e/0x80 [ 868.218311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 868.218311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 868.218311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 868.218311][ T10] ipv6_add_addr+0x411/0x2000 [ 868.218311][ T10] inet6_addr_add+0x30e/0xa40 [ 868.218311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 868.218311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.218311][ T10] netlink_rcv_skb+0x130/0x360 [ 868.218311][ T10] netlink_unicast+0x449/0x710 [ 868.218311][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.218311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.218311][ T10] ___sys_sendmsg+0xee/0x170 [ 868.218311][ T10] __sys_sendmsg+0xcd/0x170 [ 868.218311][ T10] do_syscall_64+0xc6/0x1e0 [ 868.218311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.218311][ T10] [ 868.220417][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 868.220417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 868.220417][ T10] ipv6_find_idev+0x102/0x170 [ 868.220417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.220417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.220417][ T10] netlink_rcv_skb+0x130/0x360 [ 868.220417][ T10] netlink_unicast+0x449/0x710 [ 868.220417][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.220417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.220417][ T10] ___sys_sendmsg+0xee/0x170 [ 868.220417][ T10] __sys_sendmsg+0xcd/0x170 [ 868.220417][ T10] do_syscall_64+0xc6/0x1e0 [ 868.220417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.220417][ T10] [ 868.222163][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 868.222163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 868.222163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 868.222163][ T10] ipv6_find_idev+0x102/0x170 [ 868.222163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 868.222163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 868.222163][ T10] netlink_rcv_skb+0x130/0x360 [ 868.222163][ T10] netlink_unicast+0x449/0x710 [ 868.222163][ T10] netlink_sendmsg+0x723/0xbe0 [ 868.222163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 868.222163][ T10] ___sys_sendmsg+0xee/0x170 [ 868.222163][ T10] __sys_sendmsg+0xcd/0x170 [ 868.222163][ T10] do_syscall_64+0xc6/0x1e0 [ 868.222163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 868.222163][ T10] [ 878.352316][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 878.352702][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 878.352702][ T10] netdev_get_by_index+0x5e/0x80 [ 878.352702][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.352702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.352702][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.352702][ T10] ipv6_add_addr+0x411/0x2000 [ 878.352702][ T10] inet6_addr_add+0x30e/0xa40 [ 878.352702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.352702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.352702][ T10] netlink_rcv_skb+0x130/0x360 [ 878.352702][ T10] netlink_unicast+0x449/0x710 [ 878.352702][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.352702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.352702][ T10] ___sys_sendmsg+0xee/0x170 [ 878.352702][ T10] __sys_sendmsg+0xcd/0x170 [ 878.352702][ T10] do_syscall_64+0xc6/0x1e0 [ 878.352702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.352702][ T10] [ 878.354939][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 878.354939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.354939][ T10] ipv6_find_idev+0x102/0x170 [ 878.354939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.354939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.354939][ T10] netlink_rcv_skb+0x130/0x360 [ 878.354939][ T10] netlink_unicast+0x449/0x710 [ 878.354939][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.354939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.354939][ T10] ___sys_sendmsg+0xee/0x170 [ 878.354939][ T10] __sys_sendmsg+0xcd/0x170 [ 878.354939][ T10] do_syscall_64+0xc6/0x1e0 [ 878.354939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.354939][ T10] [ 878.356658][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 878.356658][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.356658][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.356658][ T10] ipv6_find_idev+0x102/0x170 [ 878.356658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.356658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.356658][ T10] netlink_rcv_skb+0x130/0x360 [ 878.356658][ T10] netlink_unicast+0x449/0x710 [ 878.356658][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.356658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.356658][ T10] ___sys_sendmsg+0xee/0x170 [ 878.356658][ T10] __sys_sendmsg+0xcd/0x170 [ 878.356658][ T10] do_syscall_64+0xc6/0x1e0 [ 878.356658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.356658][ T10] [ 878.358519][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 878.358817][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 878.358817][ T10] netdev_get_by_index+0x5e/0x80 [ 878.358817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.358817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.358817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.358817][ T10] ipv6_add_addr+0x411/0x2000 [ 878.358817][ T10] inet6_addr_add+0x30e/0xa40 [ 878.358817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.358817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.358817][ T10] netlink_rcv_skb+0x130/0x360 [ 878.358817][ T10] netlink_unicast+0x449/0x710 [ 878.358817][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.358817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.358817][ T10] ___sys_sendmsg+0xee/0x170 [ 878.358817][ T10] __sys_sendmsg+0xcd/0x170 [ 878.358817][ T10] do_syscall_64+0xc6/0x1e0 [ 878.358817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.358817][ T10] [ 878.361045][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 878.361045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.361045][ T10] ipv6_find_idev+0x102/0x170 [ 878.361045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.361045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.361045][ T10] netlink_rcv_skb+0x130/0x360 [ 878.361045][ T10] netlink_unicast+0x449/0x710 [ 878.361045][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.361045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.361045][ T10] ___sys_sendmsg+0xee/0x170 [ 878.361045][ T10] __sys_sendmsg+0xcd/0x170 [ 878.361045][ T10] do_syscall_64+0xc6/0x1e0 [ 878.361045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.361045][ T10] [ 878.362730][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 878.362730][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.362730][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.362730][ T10] ipv6_find_idev+0x102/0x170 [ 878.362730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.362730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.362730][ T10] netlink_rcv_skb+0x130/0x360 [ 878.362730][ T10] netlink_unicast+0x449/0x710 [ 878.362730][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.362730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.362730][ T10] ___sys_sendmsg+0xee/0x170 [ 878.362730][ T10] __sys_sendmsg+0xcd/0x170 [ 878.362730][ T10] do_syscall_64+0xc6/0x1e0 [ 878.362730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.362730][ T10] [ 878.364722][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 878.365100][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 878.365100][ T10] netdev_get_by_index+0x5e/0x80 [ 878.365100][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.365100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.365100][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.365100][ T10] ipv6_add_addr+0x411/0x2000 [ 878.365100][ T10] inet6_addr_add+0x30e/0xa40 [ 878.365100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.365100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.365100][ T10] netlink_rcv_skb+0x130/0x360 [ 878.365100][ T10] netlink_unicast+0x449/0x710 [ 878.365100][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.365100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.365100][ T10] ___sys_sendmsg+0xee/0x170 [ 878.365100][ T10] __sys_sendmsg+0xcd/0x170 [ 878.365100][ T10] do_syscall_64+0xc6/0x1e0 [ 878.365100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.365100][ T10] [ 878.367301][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 878.367301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.367301][ T10] ipv6_find_idev+0x102/0x170 [ 878.367301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.367301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.367301][ T10] netlink_rcv_skb+0x130/0x360 [ 878.367301][ T10] netlink_unicast+0x449/0x710 [ 878.367301][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.367301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.367301][ T10] ___sys_sendmsg+0xee/0x170 [ 878.367301][ T10] __sys_sendmsg+0xcd/0x170 [ 878.367301][ T10] do_syscall_64+0xc6/0x1e0 [ 878.367301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.367301][ T10] [ 878.368994][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 878.368994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.368994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.368994][ T10] ipv6_find_idev+0x102/0x170 [ 878.368994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.368994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.368994][ T10] netlink_rcv_skb+0x130/0x360 [ 878.368994][ T10] netlink_unicast+0x449/0x710 [ 878.368994][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.368994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.368994][ T10] ___sys_sendmsg+0xee/0x170 [ 878.368994][ T10] __sys_sendmsg+0xcd/0x170 [ 878.368994][ T10] do_syscall_64+0xc6/0x1e0 [ 878.368994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.368994][ T10] [ 878.370932][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 878.371287][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 878.371287][ T10] netdev_get_by_index+0x5e/0x80 [ 878.371287][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.371287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.371287][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.371287][ T10] ipv6_add_addr+0x411/0x2000 [ 878.371287][ T10] inet6_addr_add+0x30e/0xa40 [ 878.371287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.371287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.371287][ T10] netlink_rcv_skb+0x130/0x360 [ 878.371287][ T10] netlink_unicast+0x449/0x710 [ 878.371287][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.371287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.371287][ T10] ___sys_sendmsg+0xee/0x170 [ 878.371287][ T10] __sys_sendmsg+0xcd/0x170 [ 878.371287][ T10] do_syscall_64+0xc6/0x1e0 [ 878.371287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.371287][ T10] [ 878.373506][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 878.373506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.373506][ T10] ipv6_find_idev+0x102/0x170 [ 878.373506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.373506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.373506][ T10] netlink_rcv_skb+0x130/0x360 [ 878.373506][ T10] netlink_unicast+0x449/0x710 [ 878.373506][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.373506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.373506][ T10] ___sys_sendmsg+0xee/0x170 [ 878.373506][ T10] __sys_sendmsg+0xcd/0x170 [ 878.373506][ T10] do_syscall_64+0xc6/0x1e0 [ 878.373506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.373506][ T10] [ 878.375262][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 878.375262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.375262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.375262][ T10] ipv6_find_idev+0x102/0x170 [ 878.375262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.375262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.375262][ T10] netlink_rcv_skb+0x130/0x360 [ 878.375262][ T10] netlink_unicast+0x449/0x710 [ 878.375262][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.375262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.375262][ T10] ___sys_sendmsg+0xee/0x170 [ 878.375262][ T10] __sys_sendmsg+0xcd/0x170 [ 878.375262][ T10] do_syscall_64+0xc6/0x1e0 [ 878.375262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.375262][ T10] [ 878.377345][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 878.377720][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 878.377720][ T10] netdev_get_by_index+0x5e/0x80 [ 878.377720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.377720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.377720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.377720][ T10] ipv6_add_addr+0x411/0x2000 [ 878.377720][ T10] inet6_addr_add+0x30e/0xa40 [ 878.377720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.377720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.377720][ T10] netlink_rcv_skb+0x130/0x360 [ 878.377720][ T10] netlink_unicast+0x449/0x710 [ 878.377720][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.377720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.377720][ T10] ___sys_sendmsg+0xee/0x170 [ 878.377720][ T10] __sys_sendmsg+0xcd/0x170 [ 878.377720][ T10] do_syscall_64+0xc6/0x1e0 [ 878.377720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.377720][ T10] [ 878.380248][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 878.380248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.380248][ T10] ipv6_find_idev+0x102/0x170 [ 878.380248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.380248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.380248][ T10] netlink_rcv_skb+0x130/0x360 [ 878.380248][ T10] netlink_unicast+0x449/0x710 [ 878.380248][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.380248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.380248][ T10] ___sys_sendmsg+0xee/0x170 [ 878.380248][ T10] __sys_sendmsg+0xcd/0x170 [ 878.380248][ T10] do_syscall_64+0xc6/0x1e0 [ 878.380248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.380248][ T10] [ 878.382077][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 878.382077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.382077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.382077][ T10] ipv6_find_idev+0x102/0x170 [ 878.382077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.382077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.382077][ T10] netlink_rcv_skb+0x130/0x360 [ 878.382077][ T10] netlink_unicast+0x449/0x710 [ 878.382077][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.382077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.382077][ T10] ___sys_sendmsg+0xee/0x170 [ 878.382077][ T10] __sys_sendmsg+0xcd/0x170 [ 878.382077][ T10] do_syscall_64+0xc6/0x1e0 [ 878.382077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.382077][ T10] [ 878.384185][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 878.384477][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 878.384477][ T10] netdev_get_by_index+0x5e/0x80 [ 878.384477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.384477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.384477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.384477][ T10] ipv6_add_addr+0x411/0x2000 [ 878.384477][ T10] inet6_addr_add+0x30e/0xa40 [ 878.384477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.384477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.384477][ T10] netlink_rcv_skb+0x130/0x360 [ 878.384477][ T10] netlink_unicast+0x449/0x710 [ 878.384477][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.384477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.384477][ T10] ___sys_sendmsg+0xee/0x170 [ 878.384477][ T10] __sys_sendmsg+0xcd/0x170 [ 878.384477][ T10] do_syscall_64+0xc6/0x1e0 [ 878.384477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.384477][ T10] [ 878.386916][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 878.386916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.386916][ T10] ipv6_find_idev+0x102/0x170 [ 878.386916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.386916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.386916][ T10] netlink_rcv_skb+0x130/0x360 [ 878.386916][ T10] netlink_unicast+0x449/0x710 [ 878.386916][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.386916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.386916][ T10] ___sys_sendmsg+0xee/0x170 [ 878.386916][ T10] __sys_sendmsg+0xcd/0x170 [ 878.386916][ T10] do_syscall_64+0xc6/0x1e0 [ 878.386916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.386916][ T10] [ 878.388769][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 878.388769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.388769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.388769][ T10] ipv6_find_idev+0x102/0x170 [ 878.388769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.388769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.388769][ T10] netlink_rcv_skb+0x130/0x360 [ 878.388769][ T10] netlink_unicast+0x449/0x710 [ 878.388769][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.388769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.388769][ T10] ___sys_sendmsg+0xee/0x170 [ 878.388769][ T10] __sys_sendmsg+0xcd/0x170 [ 878.388769][ T10] do_syscall_64+0xc6/0x1e0 [ 878.388769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.388769][ T10] [ 878.390853][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 878.391144][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 878.391144][ T10] netdev_get_by_index+0x5e/0x80 [ 878.391144][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.391144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.391144][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.391144][ T10] ipv6_add_addr+0x411/0x2000 [ 878.391144][ T10] inet6_addr_add+0x30e/0xa40 [ 878.391144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.391144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.391144][ T10] netlink_rcv_skb+0x130/0x360 [ 878.391144][ T10] netlink_unicast+0x449/0x710 [ 878.391144][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.391144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.391144][ T10] ___sys_sendmsg+0xee/0x170 [ 878.391144][ T10] __sys_sendmsg+0xcd/0x170 [ 878.391144][ T10] do_syscall_64+0xc6/0x1e0 [ 878.391144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.391144][ T10] [ 878.393570][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 878.393570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.393570][ T10] ipv6_find_idev+0x102/0x170 [ 878.393570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.393570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.393570][ T10] netlink_rcv_skb+0x130/0x360 [ 878.393570][ T10] netlink_unicast+0x449/0x710 [ 878.393570][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.393570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.393570][ T10] ___sys_sendmsg+0xee/0x170 [ 878.393570][ T10] __sys_sendmsg+0xcd/0x170 [ 878.393570][ T10] do_syscall_64+0xc6/0x1e0 [ 878.393570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.393570][ T10] [ 878.395368][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 878.395368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.395368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.395368][ T10] ipv6_find_idev+0x102/0x170 [ 878.395368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.395368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.395368][ T10] netlink_rcv_skb+0x130/0x360 [ 878.395368][ T10] netlink_unicast+0x449/0x710 [ 878.395368][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.395368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.395368][ T10] ___sys_sendmsg+0xee/0x170 [ 878.395368][ T10] __sys_sendmsg+0xcd/0x170 [ 878.395368][ T10] do_syscall_64+0xc6/0x1e0 [ 878.395368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.395368][ T10] [ 878.397495][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 878.397860][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 878.397860][ T10] netdev_get_by_index+0x5e/0x80 [ 878.397860][ T10] fib6_nh_init+0x3d8/0x15b0 [ 878.397860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 878.397860][ T10] addrconf_f6i_alloc+0x244/0x410 [ 878.397860][ T10] ipv6_add_addr+0x411/0x2000 [ 878.397860][ T10] inet6_addr_add+0x30e/0xa40 [ 878.397860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 878.397860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.397860][ T10] netlink_rcv_skb+0x130/0x360 [ 878.397860][ T10] netlink_unicast+0x449/0x710 [ 878.397860][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.397860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.397860][ T10] ___sys_sendmsg+0xee/0x170 [ 878.397860][ T10] __sys_sendmsg+0xcd/0x170 [ 878.397860][ T10] do_syscall_64+0xc6/0x1e0 [ 878.397860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.397860][ T10] [ 878.400247][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 878.400247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 878.400247][ T10] ipv6_find_idev+0x102/0x170 [ 878.400247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.400247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.400247][ T10] netlink_rcv_skb+0x130/0x360 [ 878.400247][ T10] netlink_unicast+0x449/0x710 [ 878.400247][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.400247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.400247][ T10] ___sys_sendmsg+0xee/0x170 [ 878.400247][ T10] __sys_sendmsg+0xcd/0x170 [ 878.400247][ T10] do_syscall_64+0xc6/0x1e0 [ 878.400247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.400247][ T10] [ 878.402174][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 878.402174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 878.402174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 878.402174][ T10] ipv6_find_idev+0x102/0x170 [ 878.402174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 878.402174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 878.402174][ T10] netlink_rcv_skb+0x130/0x360 [ 878.402174][ T10] netlink_unicast+0x449/0x710 [ 878.402174][ T10] netlink_sendmsg+0x723/0xbe0 [ 878.402174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 878.402174][ T10] ___sys_sendmsg+0xee/0x170 [ 878.402174][ T10] __sys_sendmsg+0xcd/0x170 [ 878.402174][ T10] do_syscall_64+0xc6/0x1e0 [ 878.402174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 878.402174][ T10] [ 888.568209][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 888.568570][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 888.568570][ T10] netdev_get_by_index+0x5e/0x80 [ 888.568570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 888.568570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 888.568570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 888.568570][ T10] ipv6_add_addr+0x411/0x2000 [ 888.568570][ T10] inet6_addr_add+0x30e/0xa40 [ 888.568570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 888.568570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.568570][ T10] netlink_rcv_skb+0x130/0x360 [ 888.568570][ T10] netlink_unicast+0x449/0x710 [ 888.568570][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.568570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.568570][ T10] ___sys_sendmsg+0xee/0x170 [ 888.568570][ T10] __sys_sendmsg+0xcd/0x170 [ 888.568570][ T10] do_syscall_64+0xc6/0x1e0 [ 888.568570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.568570][ T10] [ 888.570664][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 888.570664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 888.570664][ T10] ipv6_find_idev+0x102/0x170 [ 888.570664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.570664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.570664][ T10] netlink_rcv_skb+0x130/0x360 [ 888.570664][ T10] netlink_unicast+0x449/0x710 [ 888.570664][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.570664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.570664][ T10] ___sys_sendmsg+0xee/0x170 [ 888.570664][ T10] __sys_sendmsg+0xcd/0x170 [ 888.570664][ T10] do_syscall_64+0xc6/0x1e0 [ 888.570664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.570664][ T10] [ 888.572216][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 888.572216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 888.572216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 888.572216][ T10] ipv6_find_idev+0x102/0x170 [ 888.572216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.572216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.572216][ T10] netlink_rcv_skb+0x130/0x360 [ 888.572216][ T10] netlink_unicast+0x449/0x710 [ 888.572216][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.572216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.572216][ T10] ___sys_sendmsg+0xee/0x170 [ 888.572216][ T10] __sys_sendmsg+0xcd/0x170 [ 888.572216][ T10] do_syscall_64+0xc6/0x1e0 [ 888.572216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.572216][ T10] [ 888.573905][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 888.574187][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 888.574187][ T10] netdev_get_by_index+0x5e/0x80 [ 888.574187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 888.574187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 888.574187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 888.574187][ T10] ipv6_add_addr+0x411/0x2000 [ 888.574187][ T10] inet6_addr_add+0x30e/0xa40 [ 888.574187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 888.574187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.574187][ T10] netlink_rcv_skb+0x130/0x360 [ 888.574187][ T10] netlink_unicast+0x449/0x710 [ 888.574187][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.574187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.574187][ T10] ___sys_sendmsg+0xee/0x170 [ 888.574187][ T10] __sys_sendmsg+0xcd/0x170 [ 888.574187][ T10] do_syscall_64+0xc6/0x1e0 [ 888.574187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.574187][ T10] [ 888.576170][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 888.576170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 888.576170][ T10] ipv6_find_idev+0x102/0x170 [ 888.576170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.576170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.576170][ T10] netlink_rcv_skb+0x130/0x360 [ 888.576170][ T10] netlink_unicast+0x449/0x710 [ 888.576170][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.576170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.576170][ T10] ___sys_sendmsg+0xee/0x170 [ 888.576170][ T10] __sys_sendmsg+0xcd/0x170 [ 888.576170][ T10] do_syscall_64+0xc6/0x1e0 [ 888.576170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.576170][ T10] [ 888.577640][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 888.577640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 888.577640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 888.577640][ T10] ipv6_find_idev+0x102/0x170 [ 888.577640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.577640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.577640][ T10] netlink_rcv_skb+0x130/0x360 [ 888.577640][ T10] netlink_unicast+0x449/0x710 [ 888.577640][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.577640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.577640][ T10] ___sys_sendmsg+0xee/0x170 [ 888.577640][ T10] __sys_sendmsg+0xcd/0x170 [ 888.577640][ T10] do_syscall_64+0xc6/0x1e0 [ 888.577640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.577640][ T10] [ 888.579321][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 888.579595][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 888.579595][ T10] netdev_get_by_index+0x5e/0x80 [ 888.579595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 888.579595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 888.579595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 888.579595][ T10] ipv6_add_addr+0x411/0x2000 [ 888.579595][ T10] inet6_addr_add+0x30e/0xa40 [ 888.579595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 888.579595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.579595][ T10] netlink_rcv_skb+0x130/0x360 [ 888.579595][ T10] netlink_unicast+0x449/0x710 [ 888.579595][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.579595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.579595][ T10] ___sys_sendmsg+0xee/0x170 [ 888.579595][ T10] __sys_sendmsg+0xcd/0x170 [ 888.579595][ T10] do_syscall_64+0xc6/0x1e0 [ 888.579595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.579595][ T10] [ 888.581621][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 888.581621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 888.581621][ T10] ipv6_find_idev+0x102/0x170 [ 888.581621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.581621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.581621][ T10] netlink_rcv_skb+0x130/0x360 [ 888.581621][ T10] netlink_unicast+0x449/0x710 [ 888.581621][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.581621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.581621][ T10] ___sys_sendmsg+0xee/0x170 [ 888.581621][ T10] __sys_sendmsg+0xcd/0x170 [ 888.581621][ T10] do_syscall_64+0xc6/0x1e0 [ 888.581621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.581621][ T10] [ 888.583165][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 888.583165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 888.583165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 888.583165][ T10] ipv6_find_idev+0x102/0x170 [ 888.583165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.583165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.583165][ T10] netlink_rcv_skb+0x130/0x360 [ 888.583165][ T10] netlink_unicast+0x449/0x710 [ 888.583165][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.583165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.583165][ T10] ___sys_sendmsg+0xee/0x170 [ 888.583165][ T10] __sys_sendmsg+0xcd/0x170 [ 888.583165][ T10] do_syscall_64+0xc6/0x1e0 [ 888.583165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.583165][ T10] [ 888.584984][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 888.585684][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 888.585684][ T10] netdev_get_by_index+0x5e/0x80 [ 888.585684][ T10] fib6_nh_init+0x3d8/0x15b0 [ 888.585684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 888.585684][ T10] addrconf_f6i_alloc+0x244/0x410 [ 888.585684][ T10] ipv6_add_addr+0x411/0x2000 [ 888.585684][ T10] inet6_addr_add+0x30e/0xa40 [ 888.585684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 888.585684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.585684][ T10] netlink_rcv_skb+0x130/0x360 [ 888.585684][ T10] netlink_unicast+0x449/0x710 [ 888.585684][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.585684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.585684][ T10] ___sys_sendmsg+0xee/0x170 [ 888.585684][ T10] __sys_sendmsg+0xcd/0x170 [ 888.585684][ T10] do_syscall_64+0xc6/0x1e0 [ 888.585684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.585684][ T10] [ 888.587703][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 888.587703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 888.587703][ T10] ipv6_find_idev+0x102/0x170 [ 888.587703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.587703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.587703][ T10] netlink_rcv_skb+0x130/0x360 [ 888.587703][ T10] netlink_unicast+0x449/0x710 [ 888.587703][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.587703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.587703][ T10] ___sys_sendmsg+0xee/0x170 [ 888.587703][ T10] __sys_sendmsg+0xcd/0x170 [ 888.587703][ T10] do_syscall_64+0xc6/0x1e0 [ 888.587703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.587703][ T10] [ 888.589251][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 888.589251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 888.589251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 888.589251][ T10] ipv6_find_idev+0x102/0x170 [ 888.589251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.589251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.589251][ T10] netlink_rcv_skb+0x130/0x360 [ 888.589251][ T10] netlink_unicast+0x449/0x710 [ 888.589251][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.589251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.589251][ T10] ___sys_sendmsg+0xee/0x170 [ 888.589251][ T10] __sys_sendmsg+0xcd/0x170 [ 888.589251][ T10] do_syscall_64+0xc6/0x1e0 [ 888.589251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.589251][ T10] [ 888.591052][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 888.591372][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 888.591372][ T10] netdev_get_by_index+0x5e/0x80 [ 888.591372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 888.591372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 888.591372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 888.591372][ T10] ipv6_add_addr+0x411/0x2000 [ 888.591372][ T10] inet6_addr_add+0x30e/0xa40 [ 888.591372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 888.591372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.591372][ T10] netlink_rcv_skb+0x130/0x360 [ 888.591372][ T10] netlink_unicast+0x449/0x710 [ 888.591372][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.591372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.591372][ T10] ___sys_sendmsg+0xee/0x170 [ 888.591372][ T10] __sys_sendmsg+0xcd/0x170 [ 888.591372][ T10] do_syscall_64+0xc6/0x1e0 [ 888.591372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.591372][ T10] [ 888.593576][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 888.593576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 888.593576][ T10] ipv6_find_idev+0x102/0x170 [ 888.593576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.593576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.593576][ T10] netlink_rcv_skb+0x130/0x360 [ 888.593576][ T10] netlink_unicast+0x449/0x710 [ 888.593576][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.593576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.593576][ T10] ___sys_sendmsg+0xee/0x170 [ 888.593576][ T10] __sys_sendmsg+0xcd/0x170 [ 888.593576][ T10] do_syscall_64+0xc6/0x1e0 [ 888.593576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.593576][ T10] [ 888.595235][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 888.595235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 888.595235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 888.595235][ T10] ipv6_find_idev+0x102/0x170 [ 888.595235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.595235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.595235][ T10] netlink_rcv_skb+0x130/0x360 [ 888.595235][ T10] netlink_unicast+0x449/0x710 [ 888.595235][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.595235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.595235][ T10] ___sys_sendmsg+0xee/0x170 [ 888.595235][ T10] __sys_sendmsg+0xcd/0x170 [ 888.595235][ T10] do_syscall_64+0xc6/0x1e0 [ 888.595235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.595235][ T10] [ 888.596999][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 888.597323][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 888.597323][ T10] netdev_get_by_index+0x5e/0x80 [ 888.597323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 888.597323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 888.597323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 888.597323][ T10] ipv6_add_addr+0x411/0x2000 [ 888.597323][ T10] inet6_addr_add+0x30e/0xa40 [ 888.597323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 888.597323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.597323][ T10] netlink_rcv_skb+0x130/0x360 [ 888.597323][ T10] netlink_unicast+0x449/0x710 [ 888.597323][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.597323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.597323][ T10] ___sys_sendmsg+0xee/0x170 [ 888.597323][ T10] __sys_sendmsg+0xcd/0x170 [ 888.597323][ T10] do_syscall_64+0xc6/0x1e0 [ 888.597323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.597323][ T10] [ 888.599554][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 888.599554][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 888.599554][ T10] ipv6_find_idev+0x102/0x170 [ 888.599554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.599554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.599554][ T10] netlink_rcv_skb+0x130/0x360 [ 888.599554][ T10] netlink_unicast+0x449/0x710 [ 888.599554][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.599554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.599554][ T10] ___sys_sendmsg+0xee/0x170 [ 888.599554][ T10] __sys_sendmsg+0xcd/0x170 [ 888.599554][ T10] do_syscall_64+0xc6/0x1e0 [ 888.599554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.599554][ T10] [ 888.601280][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 888.601280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 888.601280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 888.601280][ T10] ipv6_find_idev+0x102/0x170 [ 888.601280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.601280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.601280][ T10] netlink_rcv_skb+0x130/0x360 [ 888.601280][ T10] netlink_unicast+0x449/0x710 [ 888.601280][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.601280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.601280][ T10] ___sys_sendmsg+0xee/0x170 [ 888.601280][ T10] __sys_sendmsg+0xcd/0x170 [ 888.601280][ T10] do_syscall_64+0xc6/0x1e0 [ 888.601280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.601280][ T10] [ 888.603164][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 888.603440][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 888.603440][ T10] netdev_get_by_index+0x5e/0x80 [ 888.603440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 888.603440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 888.603440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 888.603440][ T10] ipv6_add_addr+0x411/0x2000 [ 888.603440][ T10] inet6_addr_add+0x30e/0xa40 [ 888.603440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 888.603440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.603440][ T10] netlink_rcv_skb+0x130/0x360 [ 888.603440][ T10] netlink_unicast+0x449/0x710 [ 888.603440][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.603440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.603440][ T10] ___sys_sendmsg+0xee/0x170 [ 888.603440][ T10] __sys_sendmsg+0xcd/0x170 [ 888.603440][ T10] do_syscall_64+0xc6/0x1e0 [ 888.603440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.603440][ T10] [ 888.605587][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 888.605587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 888.605587][ T10] ipv6_find_idev+0x102/0x170 [ 888.605587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.605587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.605587][ T10] netlink_rcv_skb+0x130/0x360 [ 888.605587][ T10] netlink_unicast+0x449/0x710 [ 888.605587][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.605587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.605587][ T10] ___sys_sendmsg+0xee/0x170 [ 888.605587][ T10] __sys_sendmsg+0xcd/0x170 [ 888.605587][ T10] do_syscall_64+0xc6/0x1e0 [ 888.605587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.605587][ T10] [ 888.607140][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 888.607140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 888.607140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 888.607140][ T10] ipv6_find_idev+0x102/0x170 [ 888.607140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.607140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.607140][ T10] netlink_rcv_skb+0x130/0x360 [ 888.607140][ T10] netlink_unicast+0x449/0x710 [ 888.607140][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.607140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.607140][ T10] ___sys_sendmsg+0xee/0x170 [ 888.607140][ T10] __sys_sendmsg+0xcd/0x170 [ 888.607140][ T10] do_syscall_64+0xc6/0x1e0 [ 888.607140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.607140][ T10] [ 888.609016][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 888.609341][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 888.609341][ T10] netdev_get_by_index+0x5e/0x80 [ 888.609341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 888.609341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 888.609341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 888.609341][ T10] ipv6_add_addr+0x411/0x2000 [ 888.609341][ T10] inet6_addr_add+0x30e/0xa40 [ 888.609341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 888.609341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.609341][ T10] netlink_rcv_skb+0x130/0x360 [ 888.609341][ T10] netlink_unicast+0x449/0x710 [ 888.609341][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.609341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.609341][ T10] ___sys_sendmsg+0xee/0x170 [ 888.609341][ T10] __sys_sendmsg+0xcd/0x170 [ 888.609341][ T10] do_syscall_64+0xc6/0x1e0 [ 888.609341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.609341][ T10] [ 888.611561][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 888.611561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 888.611561][ T10] ipv6_find_idev+0x102/0x170 [ 888.611561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.611561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.611561][ T10] netlink_rcv_skb+0x130/0x360 [ 888.611561][ T10] netlink_unicast+0x449/0x710 [ 888.611561][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.611561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.611561][ T10] ___sys_sendmsg+0xee/0x170 [ 888.611561][ T10] __sys_sendmsg+0xcd/0x170 [ 888.611561][ T10] do_syscall_64+0xc6/0x1e0 [ 888.611561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.611561][ T10] [ 888.613380][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 888.613380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 888.613380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 888.613380][ T10] ipv6_find_idev+0x102/0x170 [ 888.613380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 888.613380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 888.613380][ T10] netlink_rcv_skb+0x130/0x360 [ 888.613380][ T10] netlink_unicast+0x449/0x710 [ 888.613380][ T10] netlink_sendmsg+0x723/0xbe0 [ 888.613380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 888.613380][ T10] ___sys_sendmsg+0xee/0x170 [ 888.613380][ T10] __sys_sendmsg+0xcd/0x170 [ 888.613380][ T10] do_syscall_64+0xc6/0x1e0 [ 888.613380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 888.613380][ T10] [ 898.760243][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 898.761042][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 898.761042][ T10] netdev_get_by_index+0x5e/0x80 [ 898.761042][ T10] fib6_nh_init+0x3d8/0x15b0 [ 898.761042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 898.761042][ T10] addrconf_f6i_alloc+0x244/0x410 [ 898.761042][ T10] ipv6_add_addr+0x411/0x2000 [ 898.761042][ T10] inet6_addr_add+0x30e/0xa40 [ 898.761042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 898.761042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.761042][ T10] netlink_rcv_skb+0x130/0x360 [ 898.761042][ T10] netlink_unicast+0x449/0x710 [ 898.761042][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.761042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.761042][ T10] ___sys_sendmsg+0xee/0x170 [ 898.761042][ T10] __sys_sendmsg+0xcd/0x170 [ 898.761042][ T10] do_syscall_64+0xc6/0x1e0 [ 898.761042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.761042][ T10] [ 898.763476][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 898.763476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 898.763476][ T10] ipv6_find_idev+0x102/0x170 [ 898.763476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.763476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.763476][ T10] netlink_rcv_skb+0x130/0x360 [ 898.763476][ T10] netlink_unicast+0x449/0x710 [ 898.763476][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.763476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.763476][ T10] ___sys_sendmsg+0xee/0x170 [ 898.763476][ T10] __sys_sendmsg+0xcd/0x170 [ 898.763476][ T10] do_syscall_64+0xc6/0x1e0 [ 898.763476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.763476][ T10] [ 898.765241][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 898.765241][ T10] neigh_parms_alloc+0x1e5/0x510 [ 898.765241][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 898.765241][ T10] ipv6_find_idev+0x102/0x170 [ 898.765241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.765241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.765241][ T10] netlink_rcv_skb+0x130/0x360 [ 898.765241][ T10] netlink_unicast+0x449/0x710 [ 898.765241][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.765241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.765241][ T10] ___sys_sendmsg+0xee/0x170 [ 898.765241][ T10] __sys_sendmsg+0xcd/0x170 [ 898.765241][ T10] do_syscall_64+0xc6/0x1e0 [ 898.765241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.765241][ T10] [ 898.767209][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 898.767523][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 898.767523][ T10] netdev_get_by_index+0x5e/0x80 [ 898.767523][ T10] fib6_nh_init+0x3d8/0x15b0 [ 898.767523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 898.767523][ T10] addrconf_f6i_alloc+0x244/0x410 [ 898.767523][ T10] ipv6_add_addr+0x411/0x2000 [ 898.767523][ T10] inet6_addr_add+0x30e/0xa40 [ 898.767523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 898.767523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.767523][ T10] netlink_rcv_skb+0x130/0x360 [ 898.767523][ T10] netlink_unicast+0x449/0x710 [ 898.767523][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.767523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.767523][ T10] ___sys_sendmsg+0xee/0x170 [ 898.767523][ T10] __sys_sendmsg+0xcd/0x170 [ 898.767523][ T10] do_syscall_64+0xc6/0x1e0 [ 898.767523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.767523][ T10] [ 898.769878][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 898.769878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 898.769878][ T10] ipv6_find_idev+0x102/0x170 [ 898.769878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.769878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.769878][ T10] netlink_rcv_skb+0x130/0x360 [ 898.769878][ T10] netlink_unicast+0x449/0x710 [ 898.769878][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.769878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.769878][ T10] ___sys_sendmsg+0xee/0x170 [ 898.769878][ T10] __sys_sendmsg+0xcd/0x170 [ 898.769878][ T10] do_syscall_64+0xc6/0x1e0 [ 898.769878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.769878][ T10] [ 898.771679][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 898.771679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 898.771679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 898.771679][ T10] ipv6_find_idev+0x102/0x170 [ 898.771679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.771679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.771679][ T10] netlink_rcv_skb+0x130/0x360 [ 898.771679][ T10] netlink_unicast+0x449/0x710 [ 898.771679][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.771679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.771679][ T10] ___sys_sendmsg+0xee/0x170 [ 898.771679][ T10] __sys_sendmsg+0xcd/0x170 [ 898.771679][ T10] do_syscall_64+0xc6/0x1e0 [ 898.771679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.771679][ T10] [ 898.773572][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 898.773863][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 898.773863][ T10] netdev_get_by_index+0x5e/0x80 [ 898.773863][ T10] fib6_nh_init+0x3d8/0x15b0 [ 898.773863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 898.773863][ T10] addrconf_f6i_alloc+0x244/0x410 [ 898.773863][ T10] ipv6_add_addr+0x411/0x2000 [ 898.773863][ T10] inet6_addr_add+0x30e/0xa40 [ 898.773863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 898.773863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.773863][ T10] netlink_rcv_skb+0x130/0x360 [ 898.773863][ T10] netlink_unicast+0x449/0x710 [ 898.773863][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.773863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.773863][ T10] ___sys_sendmsg+0xee/0x170 [ 898.773863][ T10] __sys_sendmsg+0xcd/0x170 [ 898.773863][ T10] do_syscall_64+0xc6/0x1e0 [ 898.773863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.773863][ T10] [ 898.776096][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 898.776096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 898.776096][ T10] ipv6_find_idev+0x102/0x170 [ 898.776096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.776096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.776096][ T10] netlink_rcv_skb+0x130/0x360 [ 898.776096][ T10] netlink_unicast+0x449/0x710 [ 898.776096][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.776096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.776096][ T10] ___sys_sendmsg+0xee/0x170 [ 898.776096][ T10] __sys_sendmsg+0xcd/0x170 [ 898.776096][ T10] do_syscall_64+0xc6/0x1e0 [ 898.776096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.776096][ T10] [ 898.777899][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 898.777899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 898.777899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 898.777899][ T10] ipv6_find_idev+0x102/0x170 [ 898.777899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.777899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.777899][ T10] netlink_rcv_skb+0x130/0x360 [ 898.777899][ T10] netlink_unicast+0x449/0x710 [ 898.777899][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.777899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.777899][ T10] ___sys_sendmsg+0xee/0x170 [ 898.777899][ T10] __sys_sendmsg+0xcd/0x170 [ 898.777899][ T10] do_syscall_64+0xc6/0x1e0 [ 898.777899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.777899][ T10] [ 898.779902][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 898.780224][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 898.780224][ T10] netdev_get_by_index+0x5e/0x80 [ 898.780224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 898.780224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 898.780224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 898.780224][ T10] ipv6_add_addr+0x411/0x2000 [ 898.780224][ T10] inet6_addr_add+0x30e/0xa40 [ 898.780224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 898.780224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.780224][ T10] netlink_rcv_skb+0x130/0x360 [ 898.780224][ T10] netlink_unicast+0x449/0x710 [ 898.780224][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.780224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.780224][ T10] ___sys_sendmsg+0xee/0x170 [ 898.780224][ T10] __sys_sendmsg+0xcd/0x170 [ 898.780224][ T10] do_syscall_64+0xc6/0x1e0 [ 898.780224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.780224][ T10] [ 898.782780][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 898.782780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 898.782780][ T10] ipv6_find_idev+0x102/0x170 [ 898.782780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.782780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.782780][ T10] netlink_rcv_skb+0x130/0x360 [ 898.782780][ T10] netlink_unicast+0x449/0x710 [ 898.782780][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.782780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.782780][ T10] ___sys_sendmsg+0xee/0x170 [ 898.782780][ T10] __sys_sendmsg+0xcd/0x170 [ 898.782780][ T10] do_syscall_64+0xc6/0x1e0 [ 898.782780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.782780][ T10] [ 898.784845][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 898.784845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 898.784845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 898.784845][ T10] ipv6_find_idev+0x102/0x170 [ 898.784845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.784845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.784845][ T10] netlink_rcv_skb+0x130/0x360 [ 898.784845][ T10] netlink_unicast+0x449/0x710 [ 898.784845][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.784845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.784845][ T10] ___sys_sendmsg+0xee/0x170 [ 898.784845][ T10] __sys_sendmsg+0xcd/0x170 [ 898.784845][ T10] do_syscall_64+0xc6/0x1e0 [ 898.784845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.784845][ T10] [ 898.786966][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 898.787414][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 898.787414][ T10] netdev_get_by_index+0x5e/0x80 [ 898.787414][ T10] fib6_nh_init+0x3d8/0x15b0 [ 898.787414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 898.787414][ T10] addrconf_f6i_alloc+0x244/0x410 [ 898.787414][ T10] ipv6_add_addr+0x411/0x2000 [ 898.787414][ T10] inet6_addr_add+0x30e/0xa40 [ 898.787414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 898.787414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.787414][ T10] netlink_rcv_skb+0x130/0x360 [ 898.787414][ T10] netlink_unicast+0x449/0x710 [ 898.787414][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.787414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.787414][ T10] ___sys_sendmsg+0xee/0x170 [ 898.787414][ T10] __sys_sendmsg+0xcd/0x170 [ 898.787414][ T10] do_syscall_64+0xc6/0x1e0 [ 898.787414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.787414][ T10] [ 898.789853][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 898.789853][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 898.789853][ T10] ipv6_find_idev+0x102/0x170 [ 898.789853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.789853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.789853][ T10] netlink_rcv_skb+0x130/0x360 [ 898.789853][ T10] netlink_unicast+0x449/0x710 [ 898.789853][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.789853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.789853][ T10] ___sys_sendmsg+0xee/0x170 [ 898.789853][ T10] __sys_sendmsg+0xcd/0x170 [ 898.789853][ T10] do_syscall_64+0xc6/0x1e0 [ 898.789853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.789853][ T10] [ 898.791868][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 898.791868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 898.791868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 898.791868][ T10] ipv6_find_idev+0x102/0x170 [ 898.791868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.791868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.791868][ T10] netlink_rcv_skb+0x130/0x360 [ 898.791868][ T10] netlink_unicast+0x449/0x710 [ 898.791868][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.791868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.791868][ T10] ___sys_sendmsg+0xee/0x170 [ 898.791868][ T10] __sys_sendmsg+0xcd/0x170 [ 898.791868][ T10] do_syscall_64+0xc6/0x1e0 [ 898.791868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.791868][ T10] [ 898.793960][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 898.794306][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 898.794306][ T10] netdev_get_by_index+0x5e/0x80 [ 898.794306][ T10] fib6_nh_init+0x3d8/0x15b0 [ 898.794306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 898.794306][ T10] addrconf_f6i_alloc+0x244/0x410 [ 898.794306][ T10] ipv6_add_addr+0x411/0x2000 [ 898.794306][ T10] inet6_addr_add+0x30e/0xa40 [ 898.794306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 898.794306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.794306][ T10] netlink_rcv_skb+0x130/0x360 [ 898.794306][ T10] netlink_unicast+0x449/0x710 [ 898.794306][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.794306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.794306][ T10] ___sys_sendmsg+0xee/0x170 [ 898.794306][ T10] __sys_sendmsg+0xcd/0x170 [ 898.794306][ T10] do_syscall_64+0xc6/0x1e0 [ 898.794306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.794306][ T10] [ 898.796656][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 898.796656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 898.796656][ T10] ipv6_find_idev+0x102/0x170 [ 898.796656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.796656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.796656][ T10] netlink_rcv_skb+0x130/0x360 [ 898.796656][ T10] netlink_unicast+0x449/0x710 [ 898.796656][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.796656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.796656][ T10] ___sys_sendmsg+0xee/0x170 [ 898.796656][ T10] __sys_sendmsg+0xcd/0x170 [ 898.796656][ T10] do_syscall_64+0xc6/0x1e0 [ 898.796656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.796656][ T10] [ 898.798460][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 898.798460][ T10] neigh_parms_alloc+0x1e5/0x510 [ 898.798460][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 898.798460][ T10] ipv6_find_idev+0x102/0x170 [ 898.798460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.798460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.798460][ T10] netlink_rcv_skb+0x130/0x360 [ 898.798460][ T10] netlink_unicast+0x449/0x710 [ 898.798460][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.798460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.798460][ T10] ___sys_sendmsg+0xee/0x170 [ 898.798460][ T10] __sys_sendmsg+0xcd/0x170 [ 898.798460][ T10] do_syscall_64+0xc6/0x1e0 [ 898.798460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.798460][ T10] [ 898.800588][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 898.800893][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 898.800893][ T10] netdev_get_by_index+0x5e/0x80 [ 898.800893][ T10] fib6_nh_init+0x3d8/0x15b0 [ 898.800893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 898.800893][ T10] addrconf_f6i_alloc+0x244/0x410 [ 898.800893][ T10] ipv6_add_addr+0x411/0x2000 [ 898.800893][ T10] inet6_addr_add+0x30e/0xa40 [ 898.800893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 898.800893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.800893][ T10] netlink_rcv_skb+0x130/0x360 [ 898.800893][ T10] netlink_unicast+0x449/0x710 [ 898.800893][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.800893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.800893][ T10] ___sys_sendmsg+0xee/0x170 [ 898.800893][ T10] __sys_sendmsg+0xcd/0x170 [ 898.800893][ T10] do_syscall_64+0xc6/0x1e0 [ 898.800893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.800893][ T10] [ 898.803567][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 898.803567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 898.803567][ T10] ipv6_find_idev+0x102/0x170 [ 898.803567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.803567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.803567][ T10] netlink_rcv_skb+0x130/0x360 [ 898.803567][ T10] netlink_unicast+0x449/0x710 [ 898.803567][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.803567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.803567][ T10] ___sys_sendmsg+0xee/0x170 [ 898.803567][ T10] __sys_sendmsg+0xcd/0x170 [ 898.803567][ T10] do_syscall_64+0xc6/0x1e0 [ 898.803567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.803567][ T10] [ 898.805323][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 898.805323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 898.805323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 898.805323][ T10] ipv6_find_idev+0x102/0x170 [ 898.805323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.805323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.805323][ T10] netlink_rcv_skb+0x130/0x360 [ 898.805323][ T10] netlink_unicast+0x449/0x710 [ 898.805323][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.805323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.805323][ T10] ___sys_sendmsg+0xee/0x170 [ 898.805323][ T10] __sys_sendmsg+0xcd/0x170 [ 898.805323][ T10] do_syscall_64+0xc6/0x1e0 [ 898.805323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.805323][ T10] [ 898.807320][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 898.807613][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 898.807613][ T10] netdev_get_by_index+0x5e/0x80 [ 898.807613][ T10] fib6_nh_init+0x3d8/0x15b0 [ 898.807613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 898.807613][ T10] addrconf_f6i_alloc+0x244/0x410 [ 898.807613][ T10] ipv6_add_addr+0x411/0x2000 [ 898.807613][ T10] inet6_addr_add+0x30e/0xa40 [ 898.807613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 898.807613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.807613][ T10] netlink_rcv_skb+0x130/0x360 [ 898.807613][ T10] netlink_unicast+0x449/0x710 [ 898.807613][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.807613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.807613][ T10] ___sys_sendmsg+0xee/0x170 [ 898.807613][ T10] __sys_sendmsg+0xcd/0x170 [ 898.807613][ T10] do_syscall_64+0xc6/0x1e0 [ 898.807613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.807613][ T10] [ 898.810157][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 898.810157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 898.810157][ T10] ipv6_find_idev+0x102/0x170 [ 898.810157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.810157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.810157][ T10] netlink_rcv_skb+0x130/0x360 [ 898.810157][ T10] netlink_unicast+0x449/0x710 [ 898.810157][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.810157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.810157][ T10] ___sys_sendmsg+0xee/0x170 [ 898.810157][ T10] __sys_sendmsg+0xcd/0x170 [ 898.810157][ T10] do_syscall_64+0xc6/0x1e0 [ 898.810157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.810157][ T10] [ 898.812051][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 898.812051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 898.812051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 898.812051][ T10] ipv6_find_idev+0x102/0x170 [ 898.812051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 898.812051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 898.812051][ T10] netlink_rcv_skb+0x130/0x360 [ 898.812051][ T10] netlink_unicast+0x449/0x710 [ 898.812051][ T10] netlink_sendmsg+0x723/0xbe0 [ 898.812051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 898.812051][ T10] ___sys_sendmsg+0xee/0x170 [ 898.812051][ T10] __sys_sendmsg+0xcd/0x170 [ 898.812051][ T10] do_syscall_64+0xc6/0x1e0 [ 898.812051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 898.812051][ T10] [ 908.944127][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 908.944532][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 908.944532][ T10] netdev_get_by_index+0x5e/0x80 [ 908.944532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 908.944532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.944532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 908.944532][ T10] ipv6_add_addr+0x411/0x2000 [ 908.944532][ T10] inet6_addr_add+0x30e/0xa40 [ 908.944532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.944532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.944532][ T10] netlink_rcv_skb+0x130/0x360 [ 908.944532][ T10] netlink_unicast+0x449/0x710 [ 908.944532][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.944532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.944532][ T10] ___sys_sendmsg+0xee/0x170 [ 908.944532][ T10] __sys_sendmsg+0xcd/0x170 [ 908.944532][ T10] do_syscall_64+0xc6/0x1e0 [ 908.944532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.944532][ T10] [ 908.946530][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 908.946530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 908.946530][ T10] ipv6_find_idev+0x102/0x170 [ 908.946530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.946530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.946530][ T10] netlink_rcv_skb+0x130/0x360 [ 908.946530][ T10] netlink_unicast+0x449/0x710 [ 908.946530][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.946530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.946530][ T10] ___sys_sendmsg+0xee/0x170 [ 908.946530][ T10] __sys_sendmsg+0xcd/0x170 [ 908.946530][ T10] do_syscall_64+0xc6/0x1e0 [ 908.946530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.946530][ T10] [ 908.948077][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 908.948077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 908.948077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 908.948077][ T10] ipv6_find_idev+0x102/0x170 [ 908.948077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.948077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.948077][ T10] netlink_rcv_skb+0x130/0x360 [ 908.948077][ T10] netlink_unicast+0x449/0x710 [ 908.948077][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.948077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.948077][ T10] ___sys_sendmsg+0xee/0x170 [ 908.948077][ T10] __sys_sendmsg+0xcd/0x170 [ 908.948077][ T10] do_syscall_64+0xc6/0x1e0 [ 908.948077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.948077][ T10] [ 908.949847][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 908.950146][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 908.950146][ T10] netdev_get_by_index+0x5e/0x80 [ 908.950146][ T10] fib6_nh_init+0x3d8/0x15b0 [ 908.950146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.950146][ T10] addrconf_f6i_alloc+0x244/0x410 [ 908.950146][ T10] ipv6_add_addr+0x411/0x2000 [ 908.950146][ T10] inet6_addr_add+0x30e/0xa40 [ 908.950146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.950146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.950146][ T10] netlink_rcv_skb+0x130/0x360 [ 908.950146][ T10] netlink_unicast+0x449/0x710 [ 908.950146][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.950146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.950146][ T10] ___sys_sendmsg+0xee/0x170 [ 908.950146][ T10] __sys_sendmsg+0xcd/0x170 [ 908.950146][ T10] do_syscall_64+0xc6/0x1e0 [ 908.950146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.950146][ T10] [ 908.952196][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 908.952196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 908.952196][ T10] ipv6_find_idev+0x102/0x170 [ 908.952196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.952196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.952196][ T10] netlink_rcv_skb+0x130/0x360 [ 908.952196][ T10] netlink_unicast+0x449/0x710 [ 908.952196][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.952196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.952196][ T10] ___sys_sendmsg+0xee/0x170 [ 908.952196][ T10] __sys_sendmsg+0xcd/0x170 [ 908.952196][ T10] do_syscall_64+0xc6/0x1e0 [ 908.952196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.952196][ T10] [ 908.953800][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 908.953800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 908.953800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 908.953800][ T10] ipv6_find_idev+0x102/0x170 [ 908.953800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.953800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.953800][ T10] netlink_rcv_skb+0x130/0x360 [ 908.953800][ T10] netlink_unicast+0x449/0x710 [ 908.953800][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.953800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.953800][ T10] ___sys_sendmsg+0xee/0x170 [ 908.953800][ T10] __sys_sendmsg+0xcd/0x170 [ 908.953800][ T10] do_syscall_64+0xc6/0x1e0 [ 908.953800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.953800][ T10] [ 908.955550][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 908.955828][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 908.955828][ T10] netdev_get_by_index+0x5e/0x80 [ 908.955828][ T10] fib6_nh_init+0x3d8/0x15b0 [ 908.955828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.955828][ T10] addrconf_f6i_alloc+0x244/0x410 [ 908.955828][ T10] ipv6_add_addr+0x411/0x2000 [ 908.955828][ T10] inet6_addr_add+0x30e/0xa40 [ 908.955828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.955828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.955828][ T10] netlink_rcv_skb+0x130/0x360 [ 908.955828][ T10] netlink_unicast+0x449/0x710 [ 908.955828][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.955828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.955828][ T10] ___sys_sendmsg+0xee/0x170 [ 908.955828][ T10] __sys_sendmsg+0xcd/0x170 [ 908.955828][ T10] do_syscall_64+0xc6/0x1e0 [ 908.955828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.955828][ T10] [ 908.957901][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 908.957901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 908.957901][ T10] ipv6_find_idev+0x102/0x170 [ 908.957901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.957901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.957901][ T10] netlink_rcv_skb+0x130/0x360 [ 908.957901][ T10] netlink_unicast+0x449/0x710 [ 908.957901][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.957901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.957901][ T10] ___sys_sendmsg+0xee/0x170 [ 908.957901][ T10] __sys_sendmsg+0xcd/0x170 [ 908.957901][ T10] do_syscall_64+0xc6/0x1e0 [ 908.957901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.957901][ T10] [ 908.959494][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 908.959494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 908.959494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 908.959494][ T10] ipv6_find_idev+0x102/0x170 [ 908.959494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.959494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.959494][ T10] netlink_rcv_skb+0x130/0x360 [ 908.959494][ T10] netlink_unicast+0x449/0x710 [ 908.959494][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.959494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.959494][ T10] ___sys_sendmsg+0xee/0x170 [ 908.959494][ T10] __sys_sendmsg+0xcd/0x170 [ 908.959494][ T10] do_syscall_64+0xc6/0x1e0 [ 908.959494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.959494][ T10] [ 908.961273][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 908.961551][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 908.961551][ T10] netdev_get_by_index+0x5e/0x80 [ 908.961551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 908.961551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.961551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 908.961551][ T10] ipv6_add_addr+0x411/0x2000 [ 908.961551][ T10] inet6_addr_add+0x30e/0xa40 [ 908.961551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.961551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.961551][ T10] netlink_rcv_skb+0x130/0x360 [ 908.961551][ T10] netlink_unicast+0x449/0x710 [ 908.961551][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.961551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.961551][ T10] ___sys_sendmsg+0xee/0x170 [ 908.961551][ T10] __sys_sendmsg+0xcd/0x170 [ 908.961551][ T10] do_syscall_64+0xc6/0x1e0 [ 908.961551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.961551][ T10] [ 908.963630][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 908.963630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 908.963630][ T10] ipv6_find_idev+0x102/0x170 [ 908.963630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.963630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.963630][ T10] netlink_rcv_skb+0x130/0x360 [ 908.963630][ T10] netlink_unicast+0x449/0x710 [ 908.963630][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.963630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.963630][ T10] ___sys_sendmsg+0xee/0x170 [ 908.963630][ T10] __sys_sendmsg+0xcd/0x170 [ 908.963630][ T10] do_syscall_64+0xc6/0x1e0 [ 908.963630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.963630][ T10] [ 908.965276][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 908.965276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 908.965276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 908.965276][ T10] ipv6_find_idev+0x102/0x170 [ 908.965276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.965276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.965276][ T10] netlink_rcv_skb+0x130/0x360 [ 908.965276][ T10] netlink_unicast+0x449/0x710 [ 908.965276][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.965276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.965276][ T10] ___sys_sendmsg+0xee/0x170 [ 908.965276][ T10] __sys_sendmsg+0xcd/0x170 [ 908.965276][ T10] do_syscall_64+0xc6/0x1e0 [ 908.965276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.965276][ T10] [ 908.967221][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 908.967538][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 908.967538][ T10] netdev_get_by_index+0x5e/0x80 [ 908.967538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 908.967538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.967538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 908.967538][ T10] ipv6_add_addr+0x411/0x2000 [ 908.967538][ T10] inet6_addr_add+0x30e/0xa40 [ 908.967538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.967538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.967538][ T10] netlink_rcv_skb+0x130/0x360 [ 908.967538][ T10] netlink_unicast+0x449/0x710 [ 908.967538][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.967538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.967538][ T10] ___sys_sendmsg+0xee/0x170 [ 908.967538][ T10] __sys_sendmsg+0xcd/0x170 [ 908.967538][ T10] do_syscall_64+0xc6/0x1e0 [ 908.967538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.967538][ T10] [ 908.969622][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 908.969622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 908.969622][ T10] ipv6_find_idev+0x102/0x170 [ 908.969622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.969622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.969622][ T10] netlink_rcv_skb+0x130/0x360 [ 908.969622][ T10] netlink_unicast+0x449/0x710 [ 908.969622][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.969622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.969622][ T10] ___sys_sendmsg+0xee/0x170 [ 908.969622][ T10] __sys_sendmsg+0xcd/0x170 [ 908.969622][ T10] do_syscall_64+0xc6/0x1e0 [ 908.969622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.969622][ T10] [ 908.971325][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 908.971325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 908.971325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 908.971325][ T10] ipv6_find_idev+0x102/0x170 [ 908.971325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.971325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.971325][ T10] netlink_rcv_skb+0x130/0x360 [ 908.971325][ T10] netlink_unicast+0x449/0x710 [ 908.971325][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.971325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.971325][ T10] ___sys_sendmsg+0xee/0x170 [ 908.971325][ T10] __sys_sendmsg+0xcd/0x170 [ 908.971325][ T10] do_syscall_64+0xc6/0x1e0 [ 908.971325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.971325][ T10] [ 908.973430][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 908.973744][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 908.973744][ T10] netdev_get_by_index+0x5e/0x80 [ 908.973744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 908.973744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.973744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 908.973744][ T10] ipv6_add_addr+0x411/0x2000 [ 908.973744][ T10] inet6_addr_add+0x30e/0xa40 [ 908.973744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.973744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.973744][ T10] netlink_rcv_skb+0x130/0x360 [ 908.973744][ T10] netlink_unicast+0x449/0x710 [ 908.973744][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.973744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.973744][ T10] ___sys_sendmsg+0xee/0x170 [ 908.973744][ T10] __sys_sendmsg+0xcd/0x170 [ 908.973744][ T10] do_syscall_64+0xc6/0x1e0 [ 908.973744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.973744][ T10] [ 908.975827][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 908.975827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 908.975827][ T10] ipv6_find_idev+0x102/0x170 [ 908.975827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.975827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.975827][ T10] netlink_rcv_skb+0x130/0x360 [ 908.975827][ T10] netlink_unicast+0x449/0x710 [ 908.975827][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.975827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.975827][ T10] ___sys_sendmsg+0xee/0x170 [ 908.975827][ T10] __sys_sendmsg+0xcd/0x170 [ 908.975827][ T10] do_syscall_64+0xc6/0x1e0 [ 908.975827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.975827][ T10] [ 908.977561][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 908.977561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 908.977561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 908.977561][ T10] ipv6_find_idev+0x102/0x170 [ 908.977561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.977561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.977561][ T10] netlink_rcv_skb+0x130/0x360 [ 908.977561][ T10] netlink_unicast+0x449/0x710 [ 908.977561][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.977561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.977561][ T10] ___sys_sendmsg+0xee/0x170 [ 908.977561][ T10] __sys_sendmsg+0xcd/0x170 [ 908.977561][ T10] do_syscall_64+0xc6/0x1e0 [ 908.977561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.977561][ T10] [ 908.979577][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 908.979890][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 908.979890][ T10] netdev_get_by_index+0x5e/0x80 [ 908.979890][ T10] fib6_nh_init+0x3d8/0x15b0 [ 908.979890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.979890][ T10] addrconf_f6i_alloc+0x244/0x410 [ 908.979890][ T10] ipv6_add_addr+0x411/0x2000 [ 908.979890][ T10] inet6_addr_add+0x30e/0xa40 [ 908.979890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.979890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.979890][ T10] netlink_rcv_skb+0x130/0x360 [ 908.979890][ T10] netlink_unicast+0x449/0x710 [ 908.979890][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.979890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.979890][ T10] ___sys_sendmsg+0xee/0x170 [ 908.979890][ T10] __sys_sendmsg+0xcd/0x170 [ 908.979890][ T10] do_syscall_64+0xc6/0x1e0 [ 908.979890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.979890][ T10] [ 908.981940][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 908.981940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 908.981940][ T10] ipv6_find_idev+0x102/0x170 [ 908.981940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.981940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.981940][ T10] netlink_rcv_skb+0x130/0x360 [ 908.981940][ T10] netlink_unicast+0x449/0x710 [ 908.981940][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.981940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.981940][ T10] ___sys_sendmsg+0xee/0x170 [ 908.981940][ T10] __sys_sendmsg+0xcd/0x170 [ 908.981940][ T10] do_syscall_64+0xc6/0x1e0 [ 908.981940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.981940][ T10] [ 908.983506][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 908.983506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 908.983506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 908.983506][ T10] ipv6_find_idev+0x102/0x170 [ 908.983506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.983506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.983506][ T10] netlink_rcv_skb+0x130/0x360 [ 908.983506][ T10] netlink_unicast+0x449/0x710 [ 908.983506][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.983506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.983506][ T10] ___sys_sendmsg+0xee/0x170 [ 908.983506][ T10] __sys_sendmsg+0xcd/0x170 [ 908.983506][ T10] do_syscall_64+0xc6/0x1e0 [ 908.983506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.983506][ T10] [ 908.985454][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 908.985767][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 908.985767][ T10] netdev_get_by_index+0x5e/0x80 [ 908.985767][ T10] fib6_nh_init+0x3d8/0x15b0 [ 908.985767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.985767][ T10] addrconf_f6i_alloc+0x244/0x410 [ 908.985767][ T10] ipv6_add_addr+0x411/0x2000 [ 908.985767][ T10] inet6_addr_add+0x30e/0xa40 [ 908.985767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.985767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.985767][ T10] netlink_rcv_skb+0x130/0x360 [ 908.985767][ T10] netlink_unicast+0x449/0x710 [ 908.985767][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.985767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.985767][ T10] ___sys_sendmsg+0xee/0x170 [ 908.985767][ T10] __sys_sendmsg+0xcd/0x170 [ 908.985767][ T10] do_syscall_64+0xc6/0x1e0 [ 908.985767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.985767][ T10] [ 908.987836][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 908.987836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 908.987836][ T10] ipv6_find_idev+0x102/0x170 [ 908.987836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.987836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.987836][ T10] netlink_rcv_skb+0x130/0x360 [ 908.987836][ T10] netlink_unicast+0x449/0x710 [ 908.987836][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.987836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.987836][ T10] ___sys_sendmsg+0xee/0x170 [ 908.987836][ T10] __sys_sendmsg+0xcd/0x170 [ 908.987836][ T10] do_syscall_64+0xc6/0x1e0 [ 908.987836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.987836][ T10] [ 908.989461][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 908.989461][ T10] neigh_parms_alloc+0x1e5/0x510 [ 908.989461][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 908.989461][ T10] ipv6_find_idev+0x102/0x170 [ 908.989461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.989461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.989461][ T10] netlink_rcv_skb+0x130/0x360 [ 908.989461][ T10] netlink_unicast+0x449/0x710 [ 908.989461][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.989461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.989461][ T10] ___sys_sendmsg+0xee/0x170 [ 908.989461][ T10] __sys_sendmsg+0xcd/0x170 [ 908.989461][ T10] do_syscall_64+0xc6/0x1e0 [ 908.989461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.989461][ T10] [ 919.112387][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 919.113294][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 919.113294][ T10] netdev_get_by_index+0x5e/0x80 [ 919.113294][ T10] fib6_nh_init+0x3d8/0x15b0 [ 919.113294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 919.113294][ T10] addrconf_f6i_alloc+0x244/0x410 [ 919.113294][ T10] ipv6_add_addr+0x411/0x2000 [ 919.113294][ T10] inet6_addr_add+0x30e/0xa40 [ 919.113294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 919.113294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.113294][ T10] netlink_rcv_skb+0x130/0x360 [ 919.113294][ T10] netlink_unicast+0x449/0x710 [ 919.113294][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.113294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.113294][ T10] ___sys_sendmsg+0xee/0x170 [ 919.113294][ T10] __sys_sendmsg+0xcd/0x170 [ 919.113294][ T10] do_syscall_64+0xc6/0x1e0 [ 919.113294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.113294][ T10] [ 919.115305][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 919.115305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 919.115305][ T10] ipv6_find_idev+0x102/0x170 [ 919.115305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.115305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.115305][ T10] netlink_rcv_skb+0x130/0x360 [ 919.115305][ T10] netlink_unicast+0x449/0x710 [ 919.115305][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.115305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.115305][ T10] ___sys_sendmsg+0xee/0x170 [ 919.115305][ T10] __sys_sendmsg+0xcd/0x170 [ 919.115305][ T10] do_syscall_64+0xc6/0x1e0 [ 919.115305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.115305][ T10] [ 919.116775][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 919.116775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 919.116775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 919.116775][ T10] ipv6_find_idev+0x102/0x170 [ 919.116775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.116775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.116775][ T10] netlink_rcv_skb+0x130/0x360 [ 919.116775][ T10] netlink_unicast+0x449/0x710 [ 919.116775][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.116775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.116775][ T10] ___sys_sendmsg+0xee/0x170 [ 919.116775][ T10] __sys_sendmsg+0xcd/0x170 [ 919.116775][ T10] do_syscall_64+0xc6/0x1e0 [ 919.116775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.116775][ T10] [ 919.118506][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 919.118778][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 919.118778][ T10] netdev_get_by_index+0x5e/0x80 [ 919.118778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 919.118778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 919.118778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 919.118778][ T10] ipv6_add_addr+0x411/0x2000 [ 919.118778][ T10] inet6_addr_add+0x30e/0xa40 [ 919.118778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 919.118778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.118778][ T10] netlink_rcv_skb+0x130/0x360 [ 919.118778][ T10] netlink_unicast+0x449/0x710 [ 919.118778][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.118778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.118778][ T10] ___sys_sendmsg+0xee/0x170 [ 919.118778][ T10] __sys_sendmsg+0xcd/0x170 [ 919.118778][ T10] do_syscall_64+0xc6/0x1e0 [ 919.118778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.118778][ T10] [ 919.120815][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 919.120815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 919.120815][ T10] ipv6_find_idev+0x102/0x170 [ 919.120815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.120815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.120815][ T10] netlink_rcv_skb+0x130/0x360 [ 919.120815][ T10] netlink_unicast+0x449/0x710 [ 919.120815][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.120815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.120815][ T10] ___sys_sendmsg+0xee/0x170 [ 919.120815][ T10] __sys_sendmsg+0xcd/0x170 [ 919.120815][ T10] do_syscall_64+0xc6/0x1e0 [ 919.120815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.120815][ T10] [ 919.122370][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 919.122370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 919.122370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 919.122370][ T10] ipv6_find_idev+0x102/0x170 [ 919.122370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.122370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.122370][ T10] netlink_rcv_skb+0x130/0x360 [ 919.122370][ T10] netlink_unicast+0x449/0x710 [ 919.122370][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.122370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.122370][ T10] ___sys_sendmsg+0xee/0x170 [ 919.122370][ T10] __sys_sendmsg+0xcd/0x170 [ 919.122370][ T10] do_syscall_64+0xc6/0x1e0 [ 919.122370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.122370][ T10] [ 919.124102][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 919.124369][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 919.124369][ T10] netdev_get_by_index+0x5e/0x80 [ 919.124369][ T10] fib6_nh_init+0x3d8/0x15b0 [ 919.124369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 919.124369][ T10] addrconf_f6i_alloc+0x244/0x410 [ 919.124369][ T10] ipv6_add_addr+0x411/0x2000 [ 919.124369][ T10] inet6_addr_add+0x30e/0xa40 [ 919.124369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 919.124369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.124369][ T10] netlink_rcv_skb+0x130/0x360 [ 919.124369][ T10] netlink_unicast+0x449/0x710 [ 919.124369][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.124369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.124369][ T10] ___sys_sendmsg+0xee/0x170 [ 919.124369][ T10] __sys_sendmsg+0xcd/0x170 [ 919.124369][ T10] do_syscall_64+0xc6/0x1e0 [ 919.124369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.124369][ T10] [ 919.126352][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 919.126352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 919.126352][ T10] ipv6_find_idev+0x102/0x170 [ 919.126352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.126352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.126352][ T10] netlink_rcv_skb+0x130/0x360 [ 919.126352][ T10] netlink_unicast+0x449/0x710 [ 919.126352][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.126352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.126352][ T10] ___sys_sendmsg+0xee/0x170 [ 919.126352][ T10] __sys_sendmsg+0xcd/0x170 [ 919.126352][ T10] do_syscall_64+0xc6/0x1e0 [ 919.126352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.126352][ T10] [ 919.127894][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 919.127894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 919.127894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 919.127894][ T10] ipv6_find_idev+0x102/0x170 [ 919.127894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.127894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.127894][ T10] netlink_rcv_skb+0x130/0x360 [ 919.127894][ T10] netlink_unicast+0x449/0x710 [ 919.127894][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.127894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.127894][ T10] ___sys_sendmsg+0xee/0x170 [ 919.127894][ T10] __sys_sendmsg+0xcd/0x170 [ 919.127894][ T10] do_syscall_64+0xc6/0x1e0 [ 919.127894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.127894][ T10] [ 919.129603][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 919.129884][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 919.129884][ T10] netdev_get_by_index+0x5e/0x80 [ 919.129884][ T10] fib6_nh_init+0x3d8/0x15b0 [ 919.129884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 919.129884][ T10] addrconf_f6i_alloc+0x244/0x410 [ 919.129884][ T10] ipv6_add_addr+0x411/0x2000 [ 919.129884][ T10] inet6_addr_add+0x30e/0xa40 [ 919.129884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 919.129884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.129884][ T10] netlink_rcv_skb+0x130/0x360 [ 919.129884][ T10] netlink_unicast+0x449/0x710 [ 919.129884][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.129884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.129884][ T10] ___sys_sendmsg+0xee/0x170 [ 919.129884][ T10] __sys_sendmsg+0xcd/0x170 [ 919.129884][ T10] do_syscall_64+0xc6/0x1e0 [ 919.129884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.129884][ T10] [ 919.131902][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 919.131902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 919.131902][ T10] ipv6_find_idev+0x102/0x170 [ 919.131902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.131902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.131902][ T10] netlink_rcv_skb+0x130/0x360 [ 919.131902][ T10] netlink_unicast+0x449/0x710 [ 919.131902][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.131902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.131902][ T10] ___sys_sendmsg+0xee/0x170 [ 919.131902][ T10] __sys_sendmsg+0xcd/0x170 [ 919.131902][ T10] do_syscall_64+0xc6/0x1e0 [ 919.131902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.131902][ T10] [ 919.133404][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 919.133404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 919.133404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 919.133404][ T10] ipv6_find_idev+0x102/0x170 [ 919.133404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.133404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.133404][ T10] netlink_rcv_skb+0x130/0x360 [ 919.133404][ T10] netlink_unicast+0x449/0x710 [ 919.133404][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.133404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.133404][ T10] ___sys_sendmsg+0xee/0x170 [ 919.133404][ T10] __sys_sendmsg+0xcd/0x170 [ 919.133404][ T10] do_syscall_64+0xc6/0x1e0 [ 919.133404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.133404][ T10] [ 919.135053][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 919.135377][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 919.135377][ T10] netdev_get_by_index+0x5e/0x80 [ 919.135377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 919.135377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 919.135377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 919.135377][ T10] ipv6_add_addr+0x411/0x2000 [ 919.135377][ T10] inet6_addr_add+0x30e/0xa40 [ 919.135377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 919.135377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.135377][ T10] netlink_rcv_skb+0x130/0x360 [ 919.135377][ T10] netlink_unicast+0x449/0x710 [ 919.135377][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.135377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.135377][ T10] ___sys_sendmsg+0xee/0x170 [ 919.135377][ T10] __sys_sendmsg+0xcd/0x170 [ 919.135377][ T10] do_syscall_64+0xc6/0x1e0 [ 919.135377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.135377][ T10] [ 919.137380][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 919.137380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 919.137380][ T10] ipv6_find_idev+0x102/0x170 [ 919.137380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.137380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.137380][ T10] netlink_rcv_skb+0x130/0x360 [ 919.137380][ T10] netlink_unicast+0x449/0x710 [ 919.137380][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.137380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.137380][ T10] ___sys_sendmsg+0xee/0x170 [ 919.137380][ T10] __sys_sendmsg+0xcd/0x170 [ 919.137380][ T10] do_syscall_64+0xc6/0x1e0 [ 919.137380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.137380][ T10] [ 919.138918][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 919.138918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 919.138918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 919.138918][ T10] ipv6_find_idev+0x102/0x170 [ 919.138918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.138918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.138918][ T10] netlink_rcv_skb+0x130/0x360 [ 919.138918][ T10] netlink_unicast+0x449/0x710 [ 919.138918][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.138918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.138918][ T10] ___sys_sendmsg+0xee/0x170 [ 919.138918][ T10] __sys_sendmsg+0xcd/0x170 [ 919.138918][ T10] do_syscall_64+0xc6/0x1e0 [ 919.138918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.138918][ T10] [ 919.140843][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 919.141187][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 919.141187][ T10] netdev_get_by_index+0x5e/0x80 [ 919.141187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 919.141187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 919.141187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 919.141187][ T10] ipv6_add_addr+0x411/0x2000 [ 919.141187][ T10] inet6_addr_add+0x30e/0xa40 [ 919.141187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 919.141187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.141187][ T10] netlink_rcv_skb+0x130/0x360 [ 919.141187][ T10] netlink_unicast+0x449/0x710 [ 919.141187][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.141187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.141187][ T10] ___sys_sendmsg+0xee/0x170 [ 919.141187][ T10] __sys_sendmsg+0xcd/0x170 [ 919.141187][ T10] do_syscall_64+0xc6/0x1e0 [ 919.141187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.141187][ T10] [ 919.143357][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 919.143357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 919.143357][ T10] ipv6_find_idev+0x102/0x170 [ 919.143357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.143357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.143357][ T10] netlink_rcv_skb+0x130/0x360 [ 919.143357][ T10] netlink_unicast+0x449/0x710 [ 919.143357][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.143357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.143357][ T10] ___sys_sendmsg+0xee/0x170 [ 919.143357][ T10] __sys_sendmsg+0xcd/0x170 [ 919.143357][ T10] do_syscall_64+0xc6/0x1e0 [ 919.143357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.143357][ T10] [ 919.145056][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 919.145056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 919.145056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 919.145056][ T10] ipv6_find_idev+0x102/0x170 [ 919.145056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.145056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.145056][ T10] netlink_rcv_skb+0x130/0x360 [ 919.145056][ T10] netlink_unicast+0x449/0x710 [ 919.145056][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.145056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.145056][ T10] ___sys_sendmsg+0xee/0x170 [ 919.145056][ T10] __sys_sendmsg+0xcd/0x170 [ 919.145056][ T10] do_syscall_64+0xc6/0x1e0 [ 919.145056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.145056][ T10] [ 919.146994][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 919.147307][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 919.147307][ T10] netdev_get_by_index+0x5e/0x80 [ 919.147307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 919.147307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 919.147307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 919.147307][ T10] ipv6_add_addr+0x411/0x2000 [ 919.147307][ T10] inet6_addr_add+0x30e/0xa40 [ 919.147307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 919.147307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.147307][ T10] netlink_rcv_skb+0x130/0x360 [ 919.147307][ T10] netlink_unicast+0x449/0x710 [ 919.147307][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.147307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.147307][ T10] ___sys_sendmsg+0xee/0x170 [ 919.147307][ T10] __sys_sendmsg+0xcd/0x170 [ 919.147307][ T10] do_syscall_64+0xc6/0x1e0 [ 919.147307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.147307][ T10] [ 919.149494][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 919.149494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 919.149494][ T10] ipv6_find_idev+0x102/0x170 [ 919.149494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.149494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.149494][ T10] netlink_rcv_skb+0x130/0x360 [ 919.149494][ T10] netlink_unicast+0x449/0x710 [ 919.149494][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.149494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.149494][ T10] ___sys_sendmsg+0xee/0x170 [ 919.149494][ T10] __sys_sendmsg+0xcd/0x170 [ 919.149494][ T10] do_syscall_64+0xc6/0x1e0 [ 919.149494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.149494][ T10] [ 919.151210][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 919.151210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 919.151210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 919.151210][ T10] ipv6_find_idev+0x102/0x170 [ 919.151210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.151210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.151210][ T10] netlink_rcv_skb+0x130/0x360 [ 919.151210][ T10] netlink_unicast+0x449/0x710 [ 919.151210][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.151210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.151210][ T10] ___sys_sendmsg+0xee/0x170 [ 919.151210][ T10] __sys_sendmsg+0xcd/0x170 [ 919.151210][ T10] do_syscall_64+0xc6/0x1e0 [ 919.151210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.151210][ T10] [ 919.153101][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 919.153417][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 919.153417][ T10] netdev_get_by_index+0x5e/0x80 [ 919.153417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 919.153417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 919.153417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 919.153417][ T10] ipv6_add_addr+0x411/0x2000 [ 919.153417][ T10] inet6_addr_add+0x30e/0xa40 [ 919.153417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 919.153417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.153417][ T10] netlink_rcv_skb+0x130/0x360 [ 919.153417][ T10] netlink_unicast+0x449/0x710 [ 919.153417][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.153417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.153417][ T10] ___sys_sendmsg+0xee/0x170 [ 919.153417][ T10] __sys_sendmsg+0xcd/0x170 [ 919.153417][ T10] do_syscall_64+0xc6/0x1e0 [ 919.153417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.153417][ T10] [ 919.155545][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 919.155545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 919.155545][ T10] ipv6_find_idev+0x102/0x170 [ 919.155545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.155545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.155545][ T10] netlink_rcv_skb+0x130/0x360 [ 919.155545][ T10] netlink_unicast+0x449/0x710 [ 919.155545][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.155545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.155545][ T10] ___sys_sendmsg+0xee/0x170 [ 919.155545][ T10] __sys_sendmsg+0xcd/0x170 [ 919.155545][ T10] do_syscall_64+0xc6/0x1e0 [ 919.155545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.155545][ T10] [ 919.157234][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 919.157234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 919.157234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 919.157234][ T10] ipv6_find_idev+0x102/0x170 [ 919.157234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 919.157234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 919.157234][ T10] netlink_rcv_skb+0x130/0x360 [ 919.157234][ T10] netlink_unicast+0x449/0x710 [ 919.157234][ T10] netlink_sendmsg+0x723/0xbe0 [ 919.157234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 919.157234][ T10] ___sys_sendmsg+0xee/0x170 [ 919.157234][ T10] __sys_sendmsg+0xcd/0x170 [ 919.157234][ T10] do_syscall_64+0xc6/0x1e0 [ 919.157234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 919.157234][ T10] [ 929.256163][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 929.257025][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 929.257025][ T10] netdev_get_by_index+0x5e/0x80 [ 929.257025][ T10] fib6_nh_init+0x3d8/0x15b0 [ 929.257025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 929.257025][ T10] addrconf_f6i_alloc+0x244/0x410 [ 929.257025][ T10] ipv6_add_addr+0x411/0x2000 [ 929.257025][ T10] inet6_addr_add+0x30e/0xa40 [ 929.257025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 929.257025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.257025][ T10] netlink_rcv_skb+0x130/0x360 [ 929.257025][ T10] netlink_unicast+0x449/0x710 [ 929.257025][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.257025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.257025][ T10] ___sys_sendmsg+0xee/0x170 [ 929.257025][ T10] __sys_sendmsg+0xcd/0x170 [ 929.257025][ T10] do_syscall_64+0xc6/0x1e0 [ 929.257025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.257025][ T10] [ 929.259160][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 929.259160][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 929.259160][ T10] ipv6_find_idev+0x102/0x170 [ 929.259160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.259160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.259160][ T10] netlink_rcv_skb+0x130/0x360 [ 929.259160][ T10] netlink_unicast+0x449/0x710 [ 929.259160][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.259160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.259160][ T10] ___sys_sendmsg+0xee/0x170 [ 929.259160][ T10] __sys_sendmsg+0xcd/0x170 [ 929.259160][ T10] do_syscall_64+0xc6/0x1e0 [ 929.259160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.259160][ T10] [ 929.260770][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 929.260770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 929.260770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 929.260770][ T10] ipv6_find_idev+0x102/0x170 [ 929.260770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.260770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.260770][ T10] netlink_rcv_skb+0x130/0x360 [ 929.260770][ T10] netlink_unicast+0x449/0x710 [ 929.260770][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.260770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.260770][ T10] ___sys_sendmsg+0xee/0x170 [ 929.260770][ T10] __sys_sendmsg+0xcd/0x170 [ 929.260770][ T10] do_syscall_64+0xc6/0x1e0 [ 929.260770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.260770][ T10] [ 929.262452][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 929.262711][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 929.262711][ T10] netdev_get_by_index+0x5e/0x80 [ 929.262711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 929.262711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 929.262711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 929.262711][ T10] ipv6_add_addr+0x411/0x2000 [ 929.262711][ T10] inet6_addr_add+0x30e/0xa40 [ 929.262711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 929.262711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.262711][ T10] netlink_rcv_skb+0x130/0x360 [ 929.262711][ T10] netlink_unicast+0x449/0x710 [ 929.262711][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.262711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.262711][ T10] ___sys_sendmsg+0xee/0x170 [ 929.262711][ T10] __sys_sendmsg+0xcd/0x170 [ 929.262711][ T10] do_syscall_64+0xc6/0x1e0 [ 929.262711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.262711][ T10] [ 929.264639][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 929.264639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 929.264639][ T10] ipv6_find_idev+0x102/0x170 [ 929.264639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.264639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.264639][ T10] netlink_rcv_skb+0x130/0x360 [ 929.264639][ T10] netlink_unicast+0x449/0x710 [ 929.264639][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.264639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.264639][ T10] ___sys_sendmsg+0xee/0x170 [ 929.264639][ T10] __sys_sendmsg+0xcd/0x170 [ 929.264639][ T10] do_syscall_64+0xc6/0x1e0 [ 929.264639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.264639][ T10] [ 929.266232][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 929.266232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 929.266232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 929.266232][ T10] ipv6_find_idev+0x102/0x170 [ 929.266232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.266232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.266232][ T10] netlink_rcv_skb+0x130/0x360 [ 929.266232][ T10] netlink_unicast+0x449/0x710 [ 929.266232][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.266232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.266232][ T10] ___sys_sendmsg+0xee/0x170 [ 929.266232][ T10] __sys_sendmsg+0xcd/0x170 [ 929.266232][ T10] do_syscall_64+0xc6/0x1e0 [ 929.266232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.266232][ T10] [ 929.267984][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 929.268267][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 929.268267][ T10] netdev_get_by_index+0x5e/0x80 [ 929.268267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 929.268267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 929.268267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 929.268267][ T10] ipv6_add_addr+0x411/0x2000 [ 929.268267][ T10] inet6_addr_add+0x30e/0xa40 [ 929.268267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 929.268267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.268267][ T10] netlink_rcv_skb+0x130/0x360 [ 929.268267][ T10] netlink_unicast+0x449/0x710 [ 929.268267][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.268267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.268267][ T10] ___sys_sendmsg+0xee/0x170 [ 929.268267][ T10] __sys_sendmsg+0xcd/0x170 [ 929.268267][ T10] do_syscall_64+0xc6/0x1e0 [ 929.268267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.268267][ T10] [ 929.270366][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 929.270366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 929.270366][ T10] ipv6_find_idev+0x102/0x170 [ 929.270366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.270366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.270366][ T10] netlink_rcv_skb+0x130/0x360 [ 929.270366][ T10] netlink_unicast+0x449/0x710 [ 929.270366][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.270366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.270366][ T10] ___sys_sendmsg+0xee/0x170 [ 929.270366][ T10] __sys_sendmsg+0xcd/0x170 [ 929.270366][ T10] do_syscall_64+0xc6/0x1e0 [ 929.270366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.270366][ T10] [ 929.271992][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 929.271992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 929.271992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 929.271992][ T10] ipv6_find_idev+0x102/0x170 [ 929.271992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.271992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.271992][ T10] netlink_rcv_skb+0x130/0x360 [ 929.271992][ T10] netlink_unicast+0x449/0x710 [ 929.271992][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.271992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.271992][ T10] ___sys_sendmsg+0xee/0x170 [ 929.271992][ T10] __sys_sendmsg+0xcd/0x170 [ 929.271992][ T10] do_syscall_64+0xc6/0x1e0 [ 929.271992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.271992][ T10] [ 929.273717][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 929.274020][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 929.274020][ T10] netdev_get_by_index+0x5e/0x80 [ 929.274020][ T10] fib6_nh_init+0x3d8/0x15b0 [ 929.274020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 929.274020][ T10] addrconf_f6i_alloc+0x244/0x410 [ 929.274020][ T10] ipv6_add_addr+0x411/0x2000 [ 929.274020][ T10] inet6_addr_add+0x30e/0xa40 [ 929.274020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 929.274020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.274020][ T10] netlink_rcv_skb+0x130/0x360 [ 929.274020][ T10] netlink_unicast+0x449/0x710 [ 929.274020][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.274020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.274020][ T10] ___sys_sendmsg+0xee/0x170 [ 929.274020][ T10] __sys_sendmsg+0xcd/0x170 [ 929.274020][ T10] do_syscall_64+0xc6/0x1e0 [ 929.274020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.274020][ T10] [ 929.276105][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 929.276105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 929.276105][ T10] ipv6_find_idev+0x102/0x170 [ 929.276105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.276105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.276105][ T10] netlink_rcv_skb+0x130/0x360 [ 929.276105][ T10] netlink_unicast+0x449/0x710 [ 929.276105][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.276105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.276105][ T10] ___sys_sendmsg+0xee/0x170 [ 929.276105][ T10] __sys_sendmsg+0xcd/0x170 [ 929.276105][ T10] do_syscall_64+0xc6/0x1e0 [ 929.276105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.276105][ T10] [ 929.277725][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 929.277725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 929.277725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 929.277725][ T10] ipv6_find_idev+0x102/0x170 [ 929.277725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.277725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.277725][ T10] netlink_rcv_skb+0x130/0x360 [ 929.277725][ T10] netlink_unicast+0x449/0x710 [ 929.277725][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.277725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.277725][ T10] ___sys_sendmsg+0xee/0x170 [ 929.277725][ T10] __sys_sendmsg+0xcd/0x170 [ 929.277725][ T10] do_syscall_64+0xc6/0x1e0 [ 929.277725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.277725][ T10] [ 929.280059][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 929.280382][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 929.280382][ T10] netdev_get_by_index+0x5e/0x80 [ 929.280382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 929.280382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 929.280382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 929.280382][ T10] ipv6_add_addr+0x411/0x2000 [ 929.280382][ T10] inet6_addr_add+0x30e/0xa40 [ 929.280382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 929.280382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.280382][ T10] netlink_rcv_skb+0x130/0x360 [ 929.280382][ T10] netlink_unicast+0x449/0x710 [ 929.280382][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.280382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.280382][ T10] ___sys_sendmsg+0xee/0x170 [ 929.280382][ T10] __sys_sendmsg+0xcd/0x170 [ 929.280382][ T10] do_syscall_64+0xc6/0x1e0 [ 929.280382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.280382][ T10] [ 929.282410][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 929.282410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 929.282410][ T10] ipv6_find_idev+0x102/0x170 [ 929.282410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.282410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.282410][ T10] netlink_rcv_skb+0x130/0x360 [ 929.282410][ T10] netlink_unicast+0x449/0x710 [ 929.282410][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.282410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.282410][ T10] ___sys_sendmsg+0xee/0x170 [ 929.282410][ T10] __sys_sendmsg+0xcd/0x170 [ 929.282410][ T10] do_syscall_64+0xc6/0x1e0 [ 929.282410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.282410][ T10] [ 929.284049][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 929.284049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 929.284049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 929.284049][ T10] ipv6_find_idev+0x102/0x170 [ 929.284049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.284049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.284049][ T10] netlink_rcv_skb+0x130/0x360 [ 929.284049][ T10] netlink_unicast+0x449/0x710 [ 929.284049][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.284049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.284049][ T10] ___sys_sendmsg+0xee/0x170 [ 929.284049][ T10] __sys_sendmsg+0xcd/0x170 [ 929.284049][ T10] do_syscall_64+0xc6/0x1e0 [ 929.284049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.284049][ T10] [ 929.286141][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 929.286427][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 929.286427][ T10] netdev_get_by_index+0x5e/0x80 [ 929.286427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 929.286427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 929.286427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 929.286427][ T10] ipv6_add_addr+0x411/0x2000 [ 929.286427][ T10] inet6_addr_add+0x30e/0xa40 [ 929.286427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 929.286427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.286427][ T10] netlink_rcv_skb+0x130/0x360 [ 929.286427][ T10] netlink_unicast+0x449/0x710 [ 929.286427][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.286427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.286427][ T10] ___sys_sendmsg+0xee/0x170 [ 929.286427][ T10] __sys_sendmsg+0xcd/0x170 [ 929.286427][ T10] do_syscall_64+0xc6/0x1e0 [ 929.286427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.286427][ T10] [ 929.288769][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 929.288769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 929.288769][ T10] ipv6_find_idev+0x102/0x170 [ 929.288769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.288769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.288769][ T10] netlink_rcv_skb+0x130/0x360 [ 929.288769][ T10] netlink_unicast+0x449/0x710 [ 929.288769][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.288769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.288769][ T10] ___sys_sendmsg+0xee/0x170 [ 929.288769][ T10] __sys_sendmsg+0xcd/0x170 [ 929.288769][ T10] do_syscall_64+0xc6/0x1e0 [ 929.288769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.288769][ T10] [ 929.290413][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 929.290413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 929.290413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 929.290413][ T10] ipv6_find_idev+0x102/0x170 [ 929.290413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.290413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.290413][ T10] netlink_rcv_skb+0x130/0x360 [ 929.290413][ T10] netlink_unicast+0x449/0x710 [ 929.290413][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.290413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.290413][ T10] ___sys_sendmsg+0xee/0x170 [ 929.290413][ T10] __sys_sendmsg+0xcd/0x170 [ 929.290413][ T10] do_syscall_64+0xc6/0x1e0 [ 929.290413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.290413][ T10] [ 929.292196][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 929.292558][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 929.292558][ T10] netdev_get_by_index+0x5e/0x80 [ 929.292558][ T10] fib6_nh_init+0x3d8/0x15b0 [ 929.292558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 929.292558][ T10] addrconf_f6i_alloc+0x244/0x410 [ 929.292558][ T10] ipv6_add_addr+0x411/0x2000 [ 929.292558][ T10] inet6_addr_add+0x30e/0xa40 [ 929.292558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 929.292558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.292558][ T10] netlink_rcv_skb+0x130/0x360 [ 929.292558][ T10] netlink_unicast+0x449/0x710 [ 929.292558][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.292558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.292558][ T10] ___sys_sendmsg+0xee/0x170 [ 929.292558][ T10] __sys_sendmsg+0xcd/0x170 [ 929.292558][ T10] do_syscall_64+0xc6/0x1e0 [ 929.292558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.292558][ T10] [ 929.294887][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 929.294887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 929.294887][ T10] ipv6_find_idev+0x102/0x170 [ 929.294887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.294887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.294887][ T10] netlink_rcv_skb+0x130/0x360 [ 929.294887][ T10] netlink_unicast+0x449/0x710 [ 929.294887][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.294887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.294887][ T10] ___sys_sendmsg+0xee/0x170 [ 929.294887][ T10] __sys_sendmsg+0xcd/0x170 [ 929.294887][ T10] do_syscall_64+0xc6/0x1e0 [ 929.294887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.294887][ T10] [ 929.296734][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 929.296734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 929.296734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 929.296734][ T10] ipv6_find_idev+0x102/0x170 [ 929.296734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.296734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.296734][ T10] netlink_rcv_skb+0x130/0x360 [ 929.296734][ T10] netlink_unicast+0x449/0x710 [ 929.296734][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.296734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.296734][ T10] ___sys_sendmsg+0xee/0x170 [ 929.296734][ T10] __sys_sendmsg+0xcd/0x170 [ 929.296734][ T10] do_syscall_64+0xc6/0x1e0 [ 929.296734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.296734][ T10] [ 929.298789][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 929.299115][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 929.299115][ T10] netdev_get_by_index+0x5e/0x80 [ 929.299115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 929.299115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 929.299115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 929.299115][ T10] ipv6_add_addr+0x411/0x2000 [ 929.299115][ T10] inet6_addr_add+0x30e/0xa40 [ 929.299115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 929.299115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.299115][ T10] netlink_rcv_skb+0x130/0x360 [ 929.299115][ T10] netlink_unicast+0x449/0x710 [ 929.299115][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.299115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.299115][ T10] ___sys_sendmsg+0xee/0x170 [ 929.299115][ T10] __sys_sendmsg+0xcd/0x170 [ 929.299115][ T10] do_syscall_64+0xc6/0x1e0 [ 929.299115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.299115][ T10] [ 929.301147][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 929.301147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 929.301147][ T10] ipv6_find_idev+0x102/0x170 [ 929.301147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.301147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.301147][ T10] netlink_rcv_skb+0x130/0x360 [ 929.301147][ T10] netlink_unicast+0x449/0x710 [ 929.301147][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.301147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.301147][ T10] ___sys_sendmsg+0xee/0x170 [ 929.301147][ T10] __sys_sendmsg+0xcd/0x170 [ 929.301147][ T10] do_syscall_64+0xc6/0x1e0 [ 929.301147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.301147][ T10] [ 929.302710][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 929.302710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 929.302710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 929.302710][ T10] ipv6_find_idev+0x102/0x170 [ 929.302710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 929.302710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 929.302710][ T10] netlink_rcv_skb+0x130/0x360 [ 929.302710][ T10] netlink_unicast+0x449/0x710 [ 929.302710][ T10] netlink_sendmsg+0x723/0xbe0 [ 929.302710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 929.302710][ T10] ___sys_sendmsg+0xee/0x170 [ 929.302710][ T10] __sys_sendmsg+0xcd/0x170 [ 929.302710][ T10] do_syscall_64+0xc6/0x1e0 [ 929.302710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 929.302710][ T10] [ 939.376327][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 939.377326][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 939.377326][ T10] netdev_get_by_index+0x5e/0x80 [ 939.377326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 939.377326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 939.377326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 939.377326][ T10] ipv6_add_addr+0x411/0x2000 [ 939.377326][ T10] inet6_addr_add+0x30e/0xa40 [ 939.377326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 939.377326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.377326][ T10] netlink_rcv_skb+0x130/0x360 [ 939.377326][ T10] netlink_unicast+0x449/0x710 [ 939.377326][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.377326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.377326][ T10] ___sys_sendmsg+0xee/0x170 [ 939.377326][ T10] __sys_sendmsg+0xcd/0x170 [ 939.377326][ T10] do_syscall_64+0xc6/0x1e0 [ 939.377326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.377326][ T10] [ 939.379427][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 939.379427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 939.379427][ T10] ipv6_find_idev+0x102/0x170 [ 939.379427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.379427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.379427][ T10] netlink_rcv_skb+0x130/0x360 [ 939.379427][ T10] netlink_unicast+0x449/0x710 [ 939.379427][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.379427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.379427][ T10] ___sys_sendmsg+0xee/0x170 [ 939.379427][ T10] __sys_sendmsg+0xcd/0x170 [ 939.379427][ T10] do_syscall_64+0xc6/0x1e0 [ 939.379427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.379427][ T10] [ 939.381032][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 939.381032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 939.381032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 939.381032][ T10] ipv6_find_idev+0x102/0x170 [ 939.381032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.381032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.381032][ T10] netlink_rcv_skb+0x130/0x360 [ 939.381032][ T10] netlink_unicast+0x449/0x710 [ 939.381032][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.381032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.381032][ T10] ___sys_sendmsg+0xee/0x170 [ 939.381032][ T10] __sys_sendmsg+0xcd/0x170 [ 939.381032][ T10] do_syscall_64+0xc6/0x1e0 [ 939.381032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.381032][ T10] [ 939.382736][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 939.383013][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 939.383013][ T10] netdev_get_by_index+0x5e/0x80 [ 939.383013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 939.383013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 939.383013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 939.383013][ T10] ipv6_add_addr+0x411/0x2000 [ 939.383013][ T10] inet6_addr_add+0x30e/0xa40 [ 939.383013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 939.383013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.383013][ T10] netlink_rcv_skb+0x130/0x360 [ 939.383013][ T10] netlink_unicast+0x449/0x710 [ 939.383013][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.383013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.383013][ T10] ___sys_sendmsg+0xee/0x170 [ 939.383013][ T10] __sys_sendmsg+0xcd/0x170 [ 939.383013][ T10] do_syscall_64+0xc6/0x1e0 [ 939.383013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.383013][ T10] [ 939.385048][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 939.385048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 939.385048][ T10] ipv6_find_idev+0x102/0x170 [ 939.385048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.385048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.385048][ T10] netlink_rcv_skb+0x130/0x360 [ 939.385048][ T10] netlink_unicast+0x449/0x710 [ 939.385048][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.385048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.385048][ T10] ___sys_sendmsg+0xee/0x170 [ 939.385048][ T10] __sys_sendmsg+0xcd/0x170 [ 939.385048][ T10] do_syscall_64+0xc6/0x1e0 [ 939.385048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.385048][ T10] [ 939.386547][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 939.386547][ T10] neigh_parms_alloc+0x1e5/0x510 [ 939.386547][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 939.386547][ T10] ipv6_find_idev+0x102/0x170 [ 939.386547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.386547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.386547][ T10] netlink_rcv_skb+0x130/0x360 [ 939.386547][ T10] netlink_unicast+0x449/0x710 [ 939.386547][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.386547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.386547][ T10] ___sys_sendmsg+0xee/0x170 [ 939.386547][ T10] __sys_sendmsg+0xcd/0x170 [ 939.386547][ T10] do_syscall_64+0xc6/0x1e0 [ 939.386547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.386547][ T10] [ 939.388159][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 939.388447][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 939.388447][ T10] netdev_get_by_index+0x5e/0x80 [ 939.388447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 939.388447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 939.388447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 939.388447][ T10] ipv6_add_addr+0x411/0x2000 [ 939.388447][ T10] inet6_addr_add+0x30e/0xa40 [ 939.388447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 939.388447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.388447][ T10] netlink_rcv_skb+0x130/0x360 [ 939.388447][ T10] netlink_unicast+0x449/0x710 [ 939.388447][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.388447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.388447][ T10] ___sys_sendmsg+0xee/0x170 [ 939.388447][ T10] __sys_sendmsg+0xcd/0x170 [ 939.388447][ T10] do_syscall_64+0xc6/0x1e0 [ 939.388447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.388447][ T10] [ 939.390437][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 939.390437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 939.390437][ T10] ipv6_find_idev+0x102/0x170 [ 939.390437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.390437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.390437][ T10] netlink_rcv_skb+0x130/0x360 [ 939.390437][ T10] netlink_unicast+0x449/0x710 [ 939.390437][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.390437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.390437][ T10] ___sys_sendmsg+0xee/0x170 [ 939.390437][ T10] __sys_sendmsg+0xcd/0x170 [ 939.390437][ T10] do_syscall_64+0xc6/0x1e0 [ 939.390437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.390437][ T10] [ 939.391975][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 939.391975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 939.391975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 939.391975][ T10] ipv6_find_idev+0x102/0x170 [ 939.391975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.391975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.391975][ T10] netlink_rcv_skb+0x130/0x360 [ 939.391975][ T10] netlink_unicast+0x449/0x710 [ 939.391975][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.391975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.391975][ T10] ___sys_sendmsg+0xee/0x170 [ 939.391975][ T10] __sys_sendmsg+0xcd/0x170 [ 939.391975][ T10] do_syscall_64+0xc6/0x1e0 [ 939.391975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.391975][ T10] [ 939.393623][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 939.393912][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 939.393912][ T10] netdev_get_by_index+0x5e/0x80 [ 939.393912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 939.393912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 939.393912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 939.393912][ T10] ipv6_add_addr+0x411/0x2000 [ 939.393912][ T10] inet6_addr_add+0x30e/0xa40 [ 939.393912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 939.393912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.393912][ T10] netlink_rcv_skb+0x130/0x360 [ 939.393912][ T10] netlink_unicast+0x449/0x710 [ 939.393912][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.393912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.393912][ T10] ___sys_sendmsg+0xee/0x170 [ 939.393912][ T10] __sys_sendmsg+0xcd/0x170 [ 939.393912][ T10] do_syscall_64+0xc6/0x1e0 [ 939.393912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.393912][ T10] [ 939.395905][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 939.395905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 939.395905][ T10] ipv6_find_idev+0x102/0x170 [ 939.395905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.395905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.395905][ T10] netlink_rcv_skb+0x130/0x360 [ 939.395905][ T10] netlink_unicast+0x449/0x710 [ 939.395905][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.395905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.395905][ T10] ___sys_sendmsg+0xee/0x170 [ 939.395905][ T10] __sys_sendmsg+0xcd/0x170 [ 939.395905][ T10] do_syscall_64+0xc6/0x1e0 [ 939.395905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.395905][ T10] [ 939.397452][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 939.397452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 939.397452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 939.397452][ T10] ipv6_find_idev+0x102/0x170 [ 939.397452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.397452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.397452][ T10] netlink_rcv_skb+0x130/0x360 [ 939.397452][ T10] netlink_unicast+0x449/0x710 [ 939.397452][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.397452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.397452][ T10] ___sys_sendmsg+0xee/0x170 [ 939.397452][ T10] __sys_sendmsg+0xcd/0x170 [ 939.397452][ T10] do_syscall_64+0xc6/0x1e0 [ 939.397452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.397452][ T10] [ 939.399199][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 939.399527][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 939.399527][ T10] netdev_get_by_index+0x5e/0x80 [ 939.399527][ T10] fib6_nh_init+0x3d8/0x15b0 [ 939.399527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 939.399527][ T10] addrconf_f6i_alloc+0x244/0x410 [ 939.399527][ T10] ipv6_add_addr+0x411/0x2000 [ 939.399527][ T10] inet6_addr_add+0x30e/0xa40 [ 939.399527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 939.399527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.399527][ T10] netlink_rcv_skb+0x130/0x360 [ 939.399527][ T10] netlink_unicast+0x449/0x710 [ 939.399527][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.399527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.399527][ T10] ___sys_sendmsg+0xee/0x170 [ 939.399527][ T10] __sys_sendmsg+0xcd/0x170 [ 939.399527][ T10] do_syscall_64+0xc6/0x1e0 [ 939.399527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.399527][ T10] [ 939.401622][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 939.401622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 939.401622][ T10] ipv6_find_idev+0x102/0x170 [ 939.401622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.401622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.401622][ T10] netlink_rcv_skb+0x130/0x360 [ 939.401622][ T10] netlink_unicast+0x449/0x710 [ 939.401622][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.401622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.401622][ T10] ___sys_sendmsg+0xee/0x170 [ 939.401622][ T10] __sys_sendmsg+0xcd/0x170 [ 939.401622][ T10] do_syscall_64+0xc6/0x1e0 [ 939.401622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.401622][ T10] [ 939.403168][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 939.403168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 939.403168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 939.403168][ T10] ipv6_find_idev+0x102/0x170 [ 939.403168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.403168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.403168][ T10] netlink_rcv_skb+0x130/0x360 [ 939.403168][ T10] netlink_unicast+0x449/0x710 [ 939.403168][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.403168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.403168][ T10] ___sys_sendmsg+0xee/0x170 [ 939.403168][ T10] __sys_sendmsg+0xcd/0x170 [ 939.403168][ T10] do_syscall_64+0xc6/0x1e0 [ 939.403168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.403168][ T10] [ 939.405033][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 939.405357][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 939.405357][ T10] netdev_get_by_index+0x5e/0x80 [ 939.405357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 939.405357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 939.405357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 939.405357][ T10] ipv6_add_addr+0x411/0x2000 [ 939.405357][ T10] inet6_addr_add+0x30e/0xa40 [ 939.405357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 939.405357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.405357][ T10] netlink_rcv_skb+0x130/0x360 [ 939.405357][ T10] netlink_unicast+0x449/0x710 [ 939.405357][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.405357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.405357][ T10] ___sys_sendmsg+0xee/0x170 [ 939.405357][ T10] __sys_sendmsg+0xcd/0x170 [ 939.405357][ T10] do_syscall_64+0xc6/0x1e0 [ 939.405357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.405357][ T10] [ 939.407558][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 939.407558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 939.407558][ T10] ipv6_find_idev+0x102/0x170 [ 939.407558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.407558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.407558][ T10] netlink_rcv_skb+0x130/0x360 [ 939.407558][ T10] netlink_unicast+0x449/0x710 [ 939.407558][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.407558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.407558][ T10] ___sys_sendmsg+0xee/0x170 [ 939.407558][ T10] __sys_sendmsg+0xcd/0x170 [ 939.407558][ T10] do_syscall_64+0xc6/0x1e0 [ 939.407558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.407558][ T10] [ 939.409209][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 939.409209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 939.409209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 939.409209][ T10] ipv6_find_idev+0x102/0x170 [ 939.409209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.409209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.409209][ T10] netlink_rcv_skb+0x130/0x360 [ 939.409209][ T10] netlink_unicast+0x449/0x710 [ 939.409209][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.409209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.409209][ T10] ___sys_sendmsg+0xee/0x170 [ 939.409209][ T10] __sys_sendmsg+0xcd/0x170 [ 939.409209][ T10] do_syscall_64+0xc6/0x1e0 [ 939.409209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.409209][ T10] [ 939.411286][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 939.411608][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 939.411608][ T10] netdev_get_by_index+0x5e/0x80 [ 939.411608][ T10] fib6_nh_init+0x3d8/0x15b0 [ 939.411608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 939.411608][ T10] addrconf_f6i_alloc+0x244/0x410 [ 939.411608][ T10] ipv6_add_addr+0x411/0x2000 [ 939.411608][ T10] inet6_addr_add+0x30e/0xa40 [ 939.411608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 939.411608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.411608][ T10] netlink_rcv_skb+0x130/0x360 [ 939.411608][ T10] netlink_unicast+0x449/0x710 [ 939.411608][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.411608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.411608][ T10] ___sys_sendmsg+0xee/0x170 [ 939.411608][ T10] __sys_sendmsg+0xcd/0x170 [ 939.411608][ T10] do_syscall_64+0xc6/0x1e0 [ 939.411608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.411608][ T10] [ 939.413852][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 939.413852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 939.413852][ T10] ipv6_find_idev+0x102/0x170 [ 939.413852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.413852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.413852][ T10] netlink_rcv_skb+0x130/0x360 [ 939.413852][ T10] netlink_unicast+0x449/0x710 [ 939.413852][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.413852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.413852][ T10] ___sys_sendmsg+0xee/0x170 [ 939.413852][ T10] __sys_sendmsg+0xcd/0x170 [ 939.413852][ T10] do_syscall_64+0xc6/0x1e0 [ 939.413852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.413852][ T10] [ 939.415484][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 939.415484][ T10] neigh_parms_alloc+0x1e5/0x510 [ 939.415484][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 939.415484][ T10] ipv6_find_idev+0x102/0x170 [ 939.415484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.415484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.415484][ T10] netlink_rcv_skb+0x130/0x360 [ 939.415484][ T10] netlink_unicast+0x449/0x710 [ 939.415484][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.415484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.415484][ T10] ___sys_sendmsg+0xee/0x170 [ 939.415484][ T10] __sys_sendmsg+0xcd/0x170 [ 939.415484][ T10] do_syscall_64+0xc6/0x1e0 [ 939.415484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.415484][ T10] [ 939.417438][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 939.417760][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 939.417760][ T10] netdev_get_by_index+0x5e/0x80 [ 939.417760][ T10] fib6_nh_init+0x3d8/0x15b0 [ 939.417760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 939.417760][ T10] addrconf_f6i_alloc+0x244/0x410 [ 939.417760][ T10] ipv6_add_addr+0x411/0x2000 [ 939.417760][ T10] inet6_addr_add+0x30e/0xa40 [ 939.417760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 939.417760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.417760][ T10] netlink_rcv_skb+0x130/0x360 [ 939.417760][ T10] netlink_unicast+0x449/0x710 [ 939.417760][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.417760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.417760][ T10] ___sys_sendmsg+0xee/0x170 [ 939.417760][ T10] __sys_sendmsg+0xcd/0x170 [ 939.417760][ T10] do_syscall_64+0xc6/0x1e0 [ 939.417760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.417760][ T10] [ 939.419988][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 939.419988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 939.419988][ T10] ipv6_find_idev+0x102/0x170 [ 939.419988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.419988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.419988][ T10] netlink_rcv_skb+0x130/0x360 [ 939.419988][ T10] netlink_unicast+0x449/0x710 [ 939.419988][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.419988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.419988][ T10] ___sys_sendmsg+0xee/0x170 [ 939.419988][ T10] __sys_sendmsg+0xcd/0x170 [ 939.419988][ T10] do_syscall_64+0xc6/0x1e0 [ 939.419988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.419988][ T10] [ 939.421818][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 939.421818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 939.421818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 939.421818][ T10] ipv6_find_idev+0x102/0x170 [ 939.421818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 939.421818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 939.421818][ T10] netlink_rcv_skb+0x130/0x360 [ 939.421818][ T10] netlink_unicast+0x449/0x710 [ 939.421818][ T10] netlink_sendmsg+0x723/0xbe0 [ 939.421818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 939.421818][ T10] ___sys_sendmsg+0xee/0x170 [ 939.421818][ T10] __sys_sendmsg+0xcd/0x170 [ 939.421818][ T10] do_syscall_64+0xc6/0x1e0 [ 939.421818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 939.421818][ T10] [ 949.640171][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 949.640513][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 949.640513][ T10] netdev_get_by_index+0x5e/0x80 [ 949.640513][ T10] fib6_nh_init+0x3d8/0x15b0 [ 949.640513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 949.640513][ T10] addrconf_f6i_alloc+0x244/0x410 [ 949.640513][ T10] ipv6_add_addr+0x411/0x2000 [ 949.640513][ T10] inet6_addr_add+0x30e/0xa40 [ 949.640513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 949.640513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.640513][ T10] netlink_rcv_skb+0x130/0x360 [ 949.640513][ T10] netlink_unicast+0x449/0x710 [ 949.640513][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.640513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.640513][ T10] ___sys_sendmsg+0xee/0x170 [ 949.640513][ T10] __sys_sendmsg+0xcd/0x170 [ 949.640513][ T10] do_syscall_64+0xc6/0x1e0 [ 949.640513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.640513][ T10] [ 949.642563][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 949.642563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 949.642563][ T10] ipv6_find_idev+0x102/0x170 [ 949.642563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.642563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.642563][ T10] netlink_rcv_skb+0x130/0x360 [ 949.642563][ T10] netlink_unicast+0x449/0x710 [ 949.642563][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.642563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.642563][ T10] ___sys_sendmsg+0xee/0x170 [ 949.642563][ T10] __sys_sendmsg+0xcd/0x170 [ 949.642563][ T10] do_syscall_64+0xc6/0x1e0 [ 949.642563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.642563][ T10] [ 949.644116][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 949.644116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 949.644116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 949.644116][ T10] ipv6_find_idev+0x102/0x170 [ 949.644116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.644116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.644116][ T10] netlink_rcv_skb+0x130/0x360 [ 949.644116][ T10] netlink_unicast+0x449/0x710 [ 949.644116][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.644116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.644116][ T10] ___sys_sendmsg+0xee/0x170 [ 949.644116][ T10] __sys_sendmsg+0xcd/0x170 [ 949.644116][ T10] do_syscall_64+0xc6/0x1e0 [ 949.644116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.644116][ T10] [ 949.645819][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 949.646089][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 949.646089][ T10] netdev_get_by_index+0x5e/0x80 [ 949.646089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 949.646089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 949.646089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 949.646089][ T10] ipv6_add_addr+0x411/0x2000 [ 949.646089][ T10] inet6_addr_add+0x30e/0xa40 [ 949.646089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 949.646089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.646089][ T10] netlink_rcv_skb+0x130/0x360 [ 949.646089][ T10] netlink_unicast+0x449/0x710 [ 949.646089][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.646089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.646089][ T10] ___sys_sendmsg+0xee/0x170 [ 949.646089][ T10] __sys_sendmsg+0xcd/0x170 [ 949.646089][ T10] do_syscall_64+0xc6/0x1e0 [ 949.646089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.646089][ T10] [ 949.648106][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 949.648106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 949.648106][ T10] ipv6_find_idev+0x102/0x170 [ 949.648106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.648106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.648106][ T10] netlink_rcv_skb+0x130/0x360 [ 949.648106][ T10] netlink_unicast+0x449/0x710 [ 949.648106][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.648106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.648106][ T10] ___sys_sendmsg+0xee/0x170 [ 949.648106][ T10] __sys_sendmsg+0xcd/0x170 [ 949.648106][ T10] do_syscall_64+0xc6/0x1e0 [ 949.648106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.648106][ T10] [ 949.649665][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 949.649665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 949.649665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 949.649665][ T10] ipv6_find_idev+0x102/0x170 [ 949.649665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.649665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.649665][ T10] netlink_rcv_skb+0x130/0x360 [ 949.649665][ T10] netlink_unicast+0x449/0x710 [ 949.649665][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.649665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.649665][ T10] ___sys_sendmsg+0xee/0x170 [ 949.649665][ T10] __sys_sendmsg+0xcd/0x170 [ 949.649665][ T10] do_syscall_64+0xc6/0x1e0 [ 949.649665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.649665][ T10] [ 949.651355][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 949.651629][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 949.651629][ T10] netdev_get_by_index+0x5e/0x80 [ 949.651629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 949.651629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 949.651629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 949.651629][ T10] ipv6_add_addr+0x411/0x2000 [ 949.651629][ T10] inet6_addr_add+0x30e/0xa40 [ 949.651629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 949.651629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.651629][ T10] netlink_rcv_skb+0x130/0x360 [ 949.651629][ T10] netlink_unicast+0x449/0x710 [ 949.651629][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.651629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.651629][ T10] ___sys_sendmsg+0xee/0x170 [ 949.651629][ T10] __sys_sendmsg+0xcd/0x170 [ 949.651629][ T10] do_syscall_64+0xc6/0x1e0 [ 949.651629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.651629][ T10] [ 949.653640][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 949.653640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 949.653640][ T10] ipv6_find_idev+0x102/0x170 [ 949.653640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.653640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.653640][ T10] netlink_rcv_skb+0x130/0x360 [ 949.653640][ T10] netlink_unicast+0x449/0x710 [ 949.653640][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.653640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.653640][ T10] ___sys_sendmsg+0xee/0x170 [ 949.653640][ T10] __sys_sendmsg+0xcd/0x170 [ 949.653640][ T10] do_syscall_64+0xc6/0x1e0 [ 949.653640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.653640][ T10] [ 949.655169][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 949.655169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 949.655169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 949.655169][ T10] ipv6_find_idev+0x102/0x170 [ 949.655169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.655169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.655169][ T10] netlink_rcv_skb+0x130/0x360 [ 949.655169][ T10] netlink_unicast+0x449/0x710 [ 949.655169][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.655169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.655169][ T10] ___sys_sendmsg+0xee/0x170 [ 949.655169][ T10] __sys_sendmsg+0xcd/0x170 [ 949.655169][ T10] do_syscall_64+0xc6/0x1e0 [ 949.655169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.655169][ T10] [ 949.656819][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 949.657087][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 949.657087][ T10] netdev_get_by_index+0x5e/0x80 [ 949.657087][ T10] fib6_nh_init+0x3d8/0x15b0 [ 949.657087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 949.657087][ T10] addrconf_f6i_alloc+0x244/0x410 [ 949.657087][ T10] ipv6_add_addr+0x411/0x2000 [ 949.657087][ T10] inet6_addr_add+0x30e/0xa40 [ 949.657087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 949.657087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.657087][ T10] netlink_rcv_skb+0x130/0x360 [ 949.657087][ T10] netlink_unicast+0x449/0x710 [ 949.657087][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.657087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.657087][ T10] ___sys_sendmsg+0xee/0x170 [ 949.657087][ T10] __sys_sendmsg+0xcd/0x170 [ 949.657087][ T10] do_syscall_64+0xc6/0x1e0 [ 949.657087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.657087][ T10] [ 949.659048][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 949.659048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 949.659048][ T10] ipv6_find_idev+0x102/0x170 [ 949.659048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.659048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.659048][ T10] netlink_rcv_skb+0x130/0x360 [ 949.659048][ T10] netlink_unicast+0x449/0x710 [ 949.659048][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.659048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.659048][ T10] ___sys_sendmsg+0xee/0x170 [ 949.659048][ T10] __sys_sendmsg+0xcd/0x170 [ 949.659048][ T10] do_syscall_64+0xc6/0x1e0 [ 949.659048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.659048][ T10] [ 949.660602][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 949.660602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 949.660602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 949.660602][ T10] ipv6_find_idev+0x102/0x170 [ 949.660602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.660602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.660602][ T10] netlink_rcv_skb+0x130/0x360 [ 949.660602][ T10] netlink_unicast+0x449/0x710 [ 949.660602][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.660602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.660602][ T10] ___sys_sendmsg+0xee/0x170 [ 949.660602][ T10] __sys_sendmsg+0xcd/0x170 [ 949.660602][ T10] do_syscall_64+0xc6/0x1e0 [ 949.660602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.660602][ T10] [ 949.662783][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 949.663049][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 949.663049][ T10] netdev_get_by_index+0x5e/0x80 [ 949.663049][ T10] fib6_nh_init+0x3d8/0x15b0 [ 949.663049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 949.663049][ T10] addrconf_f6i_alloc+0x244/0x410 [ 949.663049][ T10] ipv6_add_addr+0x411/0x2000 [ 949.663049][ T10] inet6_addr_add+0x30e/0xa40 [ 949.663049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 949.663049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.663049][ T10] netlink_rcv_skb+0x130/0x360 [ 949.663049][ T10] netlink_unicast+0x449/0x710 [ 949.663049][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.663049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.663049][ T10] ___sys_sendmsg+0xee/0x170 [ 949.663049][ T10] __sys_sendmsg+0xcd/0x170 [ 949.663049][ T10] do_syscall_64+0xc6/0x1e0 [ 949.663049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.663049][ T10] [ 949.665061][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 949.665061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 949.665061][ T10] ipv6_find_idev+0x102/0x170 [ 949.665061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.665061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.665061][ T10] netlink_rcv_skb+0x130/0x360 [ 949.665061][ T10] netlink_unicast+0x449/0x710 [ 949.665061][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.665061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.665061][ T10] ___sys_sendmsg+0xee/0x170 [ 949.665061][ T10] __sys_sendmsg+0xcd/0x170 [ 949.665061][ T10] do_syscall_64+0xc6/0x1e0 [ 949.665061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.665061][ T10] [ 949.666772][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 949.666772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 949.666772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 949.666772][ T10] ipv6_find_idev+0x102/0x170 [ 949.666772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.666772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.666772][ T10] netlink_rcv_skb+0x130/0x360 [ 949.666772][ T10] netlink_unicast+0x449/0x710 [ 949.666772][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.666772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.666772][ T10] ___sys_sendmsg+0xee/0x170 [ 949.666772][ T10] __sys_sendmsg+0xcd/0x170 [ 949.666772][ T10] do_syscall_64+0xc6/0x1e0 [ 949.666772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.666772][ T10] [ 949.668689][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 949.668950][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 949.668950][ T10] netdev_get_by_index+0x5e/0x80 [ 949.668950][ T10] fib6_nh_init+0x3d8/0x15b0 [ 949.668950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 949.668950][ T10] addrconf_f6i_alloc+0x244/0x410 [ 949.668950][ T10] ipv6_add_addr+0x411/0x2000 [ 949.668950][ T10] inet6_addr_add+0x30e/0xa40 [ 949.668950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 949.668950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.668950][ T10] netlink_rcv_skb+0x130/0x360 [ 949.668950][ T10] netlink_unicast+0x449/0x710 [ 949.668950][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.668950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.668950][ T10] ___sys_sendmsg+0xee/0x170 [ 949.668950][ T10] __sys_sendmsg+0xcd/0x170 [ 949.668950][ T10] do_syscall_64+0xc6/0x1e0 [ 949.668950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.668950][ T10] [ 949.671305][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 949.671305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 949.671305][ T10] ipv6_find_idev+0x102/0x170 [ 949.671305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.671305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.671305][ T10] netlink_rcv_skb+0x130/0x360 [ 949.671305][ T10] netlink_unicast+0x449/0x710 [ 949.671305][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.671305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.671305][ T10] ___sys_sendmsg+0xee/0x170 [ 949.671305][ T10] __sys_sendmsg+0xcd/0x170 [ 949.671305][ T10] do_syscall_64+0xc6/0x1e0 [ 949.671305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.671305][ T10] [ 949.672985][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 949.672985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 949.672985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 949.672985][ T10] ipv6_find_idev+0x102/0x170 [ 949.672985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.672985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.672985][ T10] netlink_rcv_skb+0x130/0x360 [ 949.672985][ T10] netlink_unicast+0x449/0x710 [ 949.672985][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.672985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.672985][ T10] ___sys_sendmsg+0xee/0x170 [ 949.672985][ T10] __sys_sendmsg+0xcd/0x170 [ 949.672985][ T10] do_syscall_64+0xc6/0x1e0 [ 949.672985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.672985][ T10] [ 949.674904][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 949.675221][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 949.675221][ T10] netdev_get_by_index+0x5e/0x80 [ 949.675221][ T10] fib6_nh_init+0x3d8/0x15b0 [ 949.675221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 949.675221][ T10] addrconf_f6i_alloc+0x244/0x410 [ 949.675221][ T10] ipv6_add_addr+0x411/0x2000 [ 949.675221][ T10] inet6_addr_add+0x30e/0xa40 [ 949.675221][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 949.675221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.675221][ T10] netlink_rcv_skb+0x130/0x360 [ 949.675221][ T10] netlink_unicast+0x449/0x710 [ 949.675221][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.675221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.675221][ T10] ___sys_sendmsg+0xee/0x170 [ 949.675221][ T10] __sys_sendmsg+0xcd/0x170 [ 949.675221][ T10] do_syscall_64+0xc6/0x1e0 [ 949.675221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.675221][ T10] [ 949.677416][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 949.677416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 949.677416][ T10] ipv6_find_idev+0x102/0x170 [ 949.677416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.677416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.677416][ T10] netlink_rcv_skb+0x130/0x360 [ 949.677416][ T10] netlink_unicast+0x449/0x710 [ 949.677416][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.677416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.677416][ T10] ___sys_sendmsg+0xee/0x170 [ 949.677416][ T10] __sys_sendmsg+0xcd/0x170 [ 949.677416][ T10] do_syscall_64+0xc6/0x1e0 [ 949.677416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.677416][ T10] [ 949.679137][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 949.679137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 949.679137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 949.679137][ T10] ipv6_find_idev+0x102/0x170 [ 949.679137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.679137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.679137][ T10] netlink_rcv_skb+0x130/0x360 [ 949.679137][ T10] netlink_unicast+0x449/0x710 [ 949.679137][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.679137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.679137][ T10] ___sys_sendmsg+0xee/0x170 [ 949.679137][ T10] __sys_sendmsg+0xcd/0x170 [ 949.679137][ T10] do_syscall_64+0xc6/0x1e0 [ 949.679137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.679137][ T10] [ 949.681033][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 949.681361][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 949.681361][ T10] netdev_get_by_index+0x5e/0x80 [ 949.681361][ T10] fib6_nh_init+0x3d8/0x15b0 [ 949.681361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 949.681361][ T10] addrconf_f6i_alloc+0x244/0x410 [ 949.681361][ T10] ipv6_add_addr+0x411/0x2000 [ 949.681361][ T10] inet6_addr_add+0x30e/0xa40 [ 949.681361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 949.681361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.681361][ T10] netlink_rcv_skb+0x130/0x360 [ 949.681361][ T10] netlink_unicast+0x449/0x710 [ 949.681361][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.681361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.681361][ T10] ___sys_sendmsg+0xee/0x170 [ 949.681361][ T10] __sys_sendmsg+0xcd/0x170 [ 949.681361][ T10] do_syscall_64+0xc6/0x1e0 [ 949.681361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.681361][ T10] [ 949.683507][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 949.683507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 949.683507][ T10] ipv6_find_idev+0x102/0x170 [ 949.683507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.683507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.683507][ T10] netlink_rcv_skb+0x130/0x360 [ 949.683507][ T10] netlink_unicast+0x449/0x710 [ 949.683507][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.683507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.683507][ T10] ___sys_sendmsg+0xee/0x170 [ 949.683507][ T10] __sys_sendmsg+0xcd/0x170 [ 949.683507][ T10] do_syscall_64+0xc6/0x1e0 [ 949.683507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.683507][ T10] [ 949.685260][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 949.685260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 949.685260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 949.685260][ T10] ipv6_find_idev+0x102/0x170 [ 949.685260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 949.685260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 949.685260][ T10] netlink_rcv_skb+0x130/0x360 [ 949.685260][ T10] netlink_unicast+0x449/0x710 [ 949.685260][ T10] netlink_sendmsg+0x723/0xbe0 [ 949.685260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 949.685260][ T10] ___sys_sendmsg+0xee/0x170 [ 949.685260][ T10] __sys_sendmsg+0xcd/0x170 [ 949.685260][ T10] do_syscall_64+0xc6/0x1e0 [ 949.685260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 949.685260][ T10] [ 959.896361][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 959.897252][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 959.897252][ T10] netdev_get_by_index+0x5e/0x80 [ 959.897252][ T10] fib6_nh_init+0x3d8/0x15b0 [ 959.897252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 959.897252][ T10] addrconf_f6i_alloc+0x244/0x410 [ 959.897252][ T10] ipv6_add_addr+0x411/0x2000 [ 959.897252][ T10] inet6_addr_add+0x30e/0xa40 [ 959.897252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 959.897252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.897252][ T10] netlink_rcv_skb+0x130/0x360 [ 959.897252][ T10] netlink_unicast+0x449/0x710 [ 959.897252][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.897252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.897252][ T10] ___sys_sendmsg+0xee/0x170 [ 959.897252][ T10] __sys_sendmsg+0xcd/0x170 [ 959.897252][ T10] do_syscall_64+0xc6/0x1e0 [ 959.897252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.897252][ T10] [ 959.899243][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 959.899243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 959.899243][ T10] ipv6_find_idev+0x102/0x170 [ 959.899243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.899243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.899243][ T10] netlink_rcv_skb+0x130/0x360 [ 959.899243][ T10] netlink_unicast+0x449/0x710 [ 959.899243][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.899243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.899243][ T10] ___sys_sendmsg+0xee/0x170 [ 959.899243][ T10] __sys_sendmsg+0xcd/0x170 [ 959.899243][ T10] do_syscall_64+0xc6/0x1e0 [ 959.899243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.899243][ T10] [ 959.900795][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 959.900795][ T10] neigh_parms_alloc+0x1e5/0x510 [ 959.900795][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 959.900795][ T10] ipv6_find_idev+0x102/0x170 [ 959.900795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.900795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.900795][ T10] netlink_rcv_skb+0x130/0x360 [ 959.900795][ T10] netlink_unicast+0x449/0x710 [ 959.900795][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.900795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.900795][ T10] ___sys_sendmsg+0xee/0x170 [ 959.900795][ T10] __sys_sendmsg+0xcd/0x170 [ 959.900795][ T10] do_syscall_64+0xc6/0x1e0 [ 959.900795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.900795][ T10] [ 959.902422][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 959.902713][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 959.902713][ T10] netdev_get_by_index+0x5e/0x80 [ 959.902713][ T10] fib6_nh_init+0x3d8/0x15b0 [ 959.902713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 959.902713][ T10] addrconf_f6i_alloc+0x244/0x410 [ 959.902713][ T10] ipv6_add_addr+0x411/0x2000 [ 959.902713][ T10] inet6_addr_add+0x30e/0xa40 [ 959.902713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 959.902713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.902713][ T10] netlink_rcv_skb+0x130/0x360 [ 959.902713][ T10] netlink_unicast+0x449/0x710 [ 959.902713][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.902713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.902713][ T10] ___sys_sendmsg+0xee/0x170 [ 959.902713][ T10] __sys_sendmsg+0xcd/0x170 [ 959.902713][ T10] do_syscall_64+0xc6/0x1e0 [ 959.902713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.902713][ T10] [ 959.904692][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 959.904692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 959.904692][ T10] ipv6_find_idev+0x102/0x170 [ 959.904692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.904692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.904692][ T10] netlink_rcv_skb+0x130/0x360 [ 959.904692][ T10] netlink_unicast+0x449/0x710 [ 959.904692][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.904692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.904692][ T10] ___sys_sendmsg+0xee/0x170 [ 959.904692][ T10] __sys_sendmsg+0xcd/0x170 [ 959.904692][ T10] do_syscall_64+0xc6/0x1e0 [ 959.904692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.904692][ T10] [ 959.906176][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 959.906176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 959.906176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 959.906176][ T10] ipv6_find_idev+0x102/0x170 [ 959.906176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.906176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.906176][ T10] netlink_rcv_skb+0x130/0x360 [ 959.906176][ T10] netlink_unicast+0x449/0x710 [ 959.906176][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.906176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.906176][ T10] ___sys_sendmsg+0xee/0x170 [ 959.906176][ T10] __sys_sendmsg+0xcd/0x170 [ 959.906176][ T10] do_syscall_64+0xc6/0x1e0 [ 959.906176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.906176][ T10] [ 959.907813][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 959.908105][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 959.908105][ T10] netdev_get_by_index+0x5e/0x80 [ 959.908105][ T10] fib6_nh_init+0x3d8/0x15b0 [ 959.908105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 959.908105][ T10] addrconf_f6i_alloc+0x244/0x410 [ 959.908105][ T10] ipv6_add_addr+0x411/0x2000 [ 959.908105][ T10] inet6_addr_add+0x30e/0xa40 [ 959.908105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 959.908105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.908105][ T10] netlink_rcv_skb+0x130/0x360 [ 959.908105][ T10] netlink_unicast+0x449/0x710 [ 959.908105][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.908105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.908105][ T10] ___sys_sendmsg+0xee/0x170 [ 959.908105][ T10] __sys_sendmsg+0xcd/0x170 [ 959.908105][ T10] do_syscall_64+0xc6/0x1e0 [ 959.908105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.908105][ T10] [ 959.910114][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 959.910114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 959.910114][ T10] ipv6_find_idev+0x102/0x170 [ 959.910114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.910114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.910114][ T10] netlink_rcv_skb+0x130/0x360 [ 959.910114][ T10] netlink_unicast+0x449/0x710 [ 959.910114][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.910114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.910114][ T10] ___sys_sendmsg+0xee/0x170 [ 959.910114][ T10] __sys_sendmsg+0xcd/0x170 [ 959.910114][ T10] do_syscall_64+0xc6/0x1e0 [ 959.910114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.910114][ T10] [ 959.911651][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 959.911651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 959.911651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 959.911651][ T10] ipv6_find_idev+0x102/0x170 [ 959.911651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.911651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.911651][ T10] netlink_rcv_skb+0x130/0x360 [ 959.911651][ T10] netlink_unicast+0x449/0x710 [ 959.911651][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.911651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.911651][ T10] ___sys_sendmsg+0xee/0x170 [ 959.911651][ T10] __sys_sendmsg+0xcd/0x170 [ 959.911651][ T10] do_syscall_64+0xc6/0x1e0 [ 959.911651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.911651][ T10] [ 959.913351][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 959.913619][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 959.913619][ T10] netdev_get_by_index+0x5e/0x80 [ 959.913619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 959.913619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 959.913619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 959.913619][ T10] ipv6_add_addr+0x411/0x2000 [ 959.913619][ T10] inet6_addr_add+0x30e/0xa40 [ 959.913619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 959.913619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.913619][ T10] netlink_rcv_skb+0x130/0x360 [ 959.913619][ T10] netlink_unicast+0x449/0x710 [ 959.913619][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.913619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.913619][ T10] ___sys_sendmsg+0xee/0x170 [ 959.913619][ T10] __sys_sendmsg+0xcd/0x170 [ 959.913619][ T10] do_syscall_64+0xc6/0x1e0 [ 959.913619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.913619][ T10] [ 959.915619][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 959.915619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 959.915619][ T10] ipv6_find_idev+0x102/0x170 [ 959.915619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.915619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.915619][ T10] netlink_rcv_skb+0x130/0x360 [ 959.915619][ T10] netlink_unicast+0x449/0x710 [ 959.915619][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.915619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.915619][ T10] ___sys_sendmsg+0xee/0x170 [ 959.915619][ T10] __sys_sendmsg+0xcd/0x170 [ 959.915619][ T10] do_syscall_64+0xc6/0x1e0 [ 959.915619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.915619][ T10] [ 959.917152][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 959.917152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 959.917152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 959.917152][ T10] ipv6_find_idev+0x102/0x170 [ 959.917152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.917152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.917152][ T10] netlink_rcv_skb+0x130/0x360 [ 959.917152][ T10] netlink_unicast+0x449/0x710 [ 959.917152][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.917152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.917152][ T10] ___sys_sendmsg+0xee/0x170 [ 959.917152][ T10] __sys_sendmsg+0xcd/0x170 [ 959.917152][ T10] do_syscall_64+0xc6/0x1e0 [ 959.917152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.917152][ T10] [ 959.918879][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 959.919201][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 959.919201][ T10] netdev_get_by_index+0x5e/0x80 [ 959.919201][ T10] fib6_nh_init+0x3d8/0x15b0 [ 959.919201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 959.919201][ T10] addrconf_f6i_alloc+0x244/0x410 [ 959.919201][ T10] ipv6_add_addr+0x411/0x2000 [ 959.919201][ T10] inet6_addr_add+0x30e/0xa40 [ 959.919201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 959.919201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.919201][ T10] netlink_rcv_skb+0x130/0x360 [ 959.919201][ T10] netlink_unicast+0x449/0x710 [ 959.919201][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.919201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.919201][ T10] ___sys_sendmsg+0xee/0x170 [ 959.919201][ T10] __sys_sendmsg+0xcd/0x170 [ 959.919201][ T10] do_syscall_64+0xc6/0x1e0 [ 959.919201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.919201][ T10] [ 959.921191][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 959.921191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 959.921191][ T10] ipv6_find_idev+0x102/0x170 [ 959.921191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.921191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.921191][ T10] netlink_rcv_skb+0x130/0x360 [ 959.921191][ T10] netlink_unicast+0x449/0x710 [ 959.921191][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.921191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.921191][ T10] ___sys_sendmsg+0xee/0x170 [ 959.921191][ T10] __sys_sendmsg+0xcd/0x170 [ 959.921191][ T10] do_syscall_64+0xc6/0x1e0 [ 959.921191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.921191][ T10] [ 959.922720][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 959.922720][ T10] neigh_parms_alloc+0x1e5/0x510 [ 959.922720][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 959.922720][ T10] ipv6_find_idev+0x102/0x170 [ 959.922720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.922720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.922720][ T10] netlink_rcv_skb+0x130/0x360 [ 959.922720][ T10] netlink_unicast+0x449/0x710 [ 959.922720][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.922720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.922720][ T10] ___sys_sendmsg+0xee/0x170 [ 959.922720][ T10] __sys_sendmsg+0xcd/0x170 [ 959.922720][ T10] do_syscall_64+0xc6/0x1e0 [ 959.922720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.922720][ T10] [ 959.924625][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 959.924945][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 959.924945][ T10] netdev_get_by_index+0x5e/0x80 [ 959.924945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 959.924945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 959.924945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 959.924945][ T10] ipv6_add_addr+0x411/0x2000 [ 959.924945][ T10] inet6_addr_add+0x30e/0xa40 [ 959.924945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 959.924945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.924945][ T10] netlink_rcv_skb+0x130/0x360 [ 959.924945][ T10] netlink_unicast+0x449/0x710 [ 959.924945][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.924945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.924945][ T10] ___sys_sendmsg+0xee/0x170 [ 959.924945][ T10] __sys_sendmsg+0xcd/0x170 [ 959.924945][ T10] do_syscall_64+0xc6/0x1e0 [ 959.924945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.924945][ T10] [ 959.927088][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 959.927088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 959.927088][ T10] ipv6_find_idev+0x102/0x170 [ 959.927088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.927088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.927088][ T10] netlink_rcv_skb+0x130/0x360 [ 959.927088][ T10] netlink_unicast+0x449/0x710 [ 959.927088][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.927088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.927088][ T10] ___sys_sendmsg+0xee/0x170 [ 959.927088][ T10] __sys_sendmsg+0xcd/0x170 [ 959.927088][ T10] do_syscall_64+0xc6/0x1e0 [ 959.927088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.927088][ T10] [ 959.928810][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 959.928810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 959.928810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 959.928810][ T10] ipv6_find_idev+0x102/0x170 [ 959.928810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.928810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.928810][ T10] netlink_rcv_skb+0x130/0x360 [ 959.928810][ T10] netlink_unicast+0x449/0x710 [ 959.928810][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.928810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.928810][ T10] ___sys_sendmsg+0xee/0x170 [ 959.928810][ T10] __sys_sendmsg+0xcd/0x170 [ 959.928810][ T10] do_syscall_64+0xc6/0x1e0 [ 959.928810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.928810][ T10] [ 959.930682][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 959.930946][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 959.930946][ T10] netdev_get_by_index+0x5e/0x80 [ 959.930946][ T10] fib6_nh_init+0x3d8/0x15b0 [ 959.930946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 959.930946][ T10] addrconf_f6i_alloc+0x244/0x410 [ 959.930946][ T10] ipv6_add_addr+0x411/0x2000 [ 959.930946][ T10] inet6_addr_add+0x30e/0xa40 [ 959.930946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 959.930946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.930946][ T10] netlink_rcv_skb+0x130/0x360 [ 959.930946][ T10] netlink_unicast+0x449/0x710 [ 959.930946][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.930946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.930946][ T10] ___sys_sendmsg+0xee/0x170 [ 959.930946][ T10] __sys_sendmsg+0xcd/0x170 [ 959.930946][ T10] do_syscall_64+0xc6/0x1e0 [ 959.930946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.930946][ T10] [ 959.933174][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 959.933174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 959.933174][ T10] ipv6_find_idev+0x102/0x170 [ 959.933174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.933174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.933174][ T10] netlink_rcv_skb+0x130/0x360 [ 959.933174][ T10] netlink_unicast+0x449/0x710 [ 959.933174][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.933174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.933174][ T10] ___sys_sendmsg+0xee/0x170 [ 959.933174][ T10] __sys_sendmsg+0xcd/0x170 [ 959.933174][ T10] do_syscall_64+0xc6/0x1e0 [ 959.933174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.933174][ T10] [ 959.934886][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 959.934886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 959.934886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 959.934886][ T10] ipv6_find_idev+0x102/0x170 [ 959.934886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.934886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.934886][ T10] netlink_rcv_skb+0x130/0x360 [ 959.934886][ T10] netlink_unicast+0x449/0x710 [ 959.934886][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.934886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.934886][ T10] ___sys_sendmsg+0xee/0x170 [ 959.934886][ T10] __sys_sendmsg+0xcd/0x170 [ 959.934886][ T10] do_syscall_64+0xc6/0x1e0 [ 959.934886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.934886][ T10] [ 959.936737][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 959.937033][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 959.937033][ T10] netdev_get_by_index+0x5e/0x80 [ 959.937033][ T10] fib6_nh_init+0x3d8/0x15b0 [ 959.937033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 959.937033][ T10] addrconf_f6i_alloc+0x244/0x410 [ 959.937033][ T10] ipv6_add_addr+0x411/0x2000 [ 959.937033][ T10] inet6_addr_add+0x30e/0xa40 [ 959.937033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 959.937033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.937033][ T10] netlink_rcv_skb+0x130/0x360 [ 959.937033][ T10] netlink_unicast+0x449/0x710 [ 959.937033][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.937033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.937033][ T10] ___sys_sendmsg+0xee/0x170 [ 959.937033][ T10] __sys_sendmsg+0xcd/0x170 [ 959.937033][ T10] do_syscall_64+0xc6/0x1e0 [ 959.937033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.937033][ T10] [ 959.939303][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 959.939303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 959.939303][ T10] ipv6_find_idev+0x102/0x170 [ 959.939303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.939303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.939303][ T10] netlink_rcv_skb+0x130/0x360 [ 959.939303][ T10] netlink_unicast+0x449/0x710 [ 959.939303][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.939303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.939303][ T10] ___sys_sendmsg+0xee/0x170 [ 959.939303][ T10] __sys_sendmsg+0xcd/0x170 [ 959.939303][ T10] do_syscall_64+0xc6/0x1e0 [ 959.939303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.939303][ T10] [ 959.941032][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 959.941032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 959.941032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 959.941032][ T10] ipv6_find_idev+0x102/0x170 [ 959.941032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 959.941032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 959.941032][ T10] netlink_rcv_skb+0x130/0x360 [ 959.941032][ T10] netlink_unicast+0x449/0x710 [ 959.941032][ T10] netlink_sendmsg+0x723/0xbe0 [ 959.941032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 959.941032][ T10] ___sys_sendmsg+0xee/0x170 [ 959.941032][ T10] __sys_sendmsg+0xcd/0x170 [ 959.941032][ T10] do_syscall_64+0xc6/0x1e0 [ 959.941032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 959.941032][ T10] [ 970.048202][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 970.048590][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 970.048590][ T10] netdev_get_by_index+0x5e/0x80 [ 970.048590][ T10] fib6_nh_init+0x3d8/0x15b0 [ 970.048590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 970.048590][ T10] addrconf_f6i_alloc+0x244/0x410 [ 970.048590][ T10] ipv6_add_addr+0x411/0x2000 [ 970.048590][ T10] inet6_addr_add+0x30e/0xa40 [ 970.048590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 970.048590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.048590][ T10] netlink_rcv_skb+0x130/0x360 [ 970.048590][ T10] netlink_unicast+0x449/0x710 [ 970.048590][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.048590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.048590][ T10] ___sys_sendmsg+0xee/0x170 [ 970.048590][ T10] __sys_sendmsg+0xcd/0x170 [ 970.048590][ T10] do_syscall_64+0xc6/0x1e0 [ 970.048590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.048590][ T10] [ 970.050654][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 970.050654][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 970.050654][ T10] ipv6_find_idev+0x102/0x170 [ 970.050654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.050654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.050654][ T10] netlink_rcv_skb+0x130/0x360 [ 970.050654][ T10] netlink_unicast+0x449/0x710 [ 970.050654][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.050654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.050654][ T10] ___sys_sendmsg+0xee/0x170 [ 970.050654][ T10] __sys_sendmsg+0xcd/0x170 [ 970.050654][ T10] do_syscall_64+0xc6/0x1e0 [ 970.050654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.050654][ T10] [ 970.052202][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 970.052202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 970.052202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 970.052202][ T10] ipv6_find_idev+0x102/0x170 [ 970.052202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.052202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.052202][ T10] netlink_rcv_skb+0x130/0x360 [ 970.052202][ T10] netlink_unicast+0x449/0x710 [ 970.052202][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.052202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.052202][ T10] ___sys_sendmsg+0xee/0x170 [ 970.052202][ T10] __sys_sendmsg+0xcd/0x170 [ 970.052202][ T10] do_syscall_64+0xc6/0x1e0 [ 970.052202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.052202][ T10] [ 970.053878][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 970.054167][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 970.054167][ T10] netdev_get_by_index+0x5e/0x80 [ 970.054167][ T10] fib6_nh_init+0x3d8/0x15b0 [ 970.054167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 970.054167][ T10] addrconf_f6i_alloc+0x244/0x410 [ 970.054167][ T10] ipv6_add_addr+0x411/0x2000 [ 970.054167][ T10] inet6_addr_add+0x30e/0xa40 [ 970.054167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 970.054167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.054167][ T10] netlink_rcv_skb+0x130/0x360 [ 970.054167][ T10] netlink_unicast+0x449/0x710 [ 970.054167][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.054167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.054167][ T10] ___sys_sendmsg+0xee/0x170 [ 970.054167][ T10] __sys_sendmsg+0xcd/0x170 [ 970.054167][ T10] do_syscall_64+0xc6/0x1e0 [ 970.054167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.054167][ T10] [ 970.056219][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 970.056219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 970.056219][ T10] ipv6_find_idev+0x102/0x170 [ 970.056219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.056219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.056219][ T10] netlink_rcv_skb+0x130/0x360 [ 970.056219][ T10] netlink_unicast+0x449/0x710 [ 970.056219][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.056219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.056219][ T10] ___sys_sendmsg+0xee/0x170 [ 970.056219][ T10] __sys_sendmsg+0xcd/0x170 [ 970.056219][ T10] do_syscall_64+0xc6/0x1e0 [ 970.056219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.056219][ T10] [ 970.057785][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 970.057785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 970.057785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 970.057785][ T10] ipv6_find_idev+0x102/0x170 [ 970.057785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.057785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.057785][ T10] netlink_rcv_skb+0x130/0x360 [ 970.057785][ T10] netlink_unicast+0x449/0x710 [ 970.057785][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.057785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.057785][ T10] ___sys_sendmsg+0xee/0x170 [ 970.057785][ T10] __sys_sendmsg+0xcd/0x170 [ 970.057785][ T10] do_syscall_64+0xc6/0x1e0 [ 970.057785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.057785][ T10] [ 970.059478][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 970.059739][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 970.059739][ T10] netdev_get_by_index+0x5e/0x80 [ 970.059739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 970.059739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 970.059739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 970.059739][ T10] ipv6_add_addr+0x411/0x2000 [ 970.059739][ T10] inet6_addr_add+0x30e/0xa40 [ 970.059739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 970.059739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.059739][ T10] netlink_rcv_skb+0x130/0x360 [ 970.059739][ T10] netlink_unicast+0x449/0x710 [ 970.059739][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.059739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.059739][ T10] ___sys_sendmsg+0xee/0x170 [ 970.059739][ T10] __sys_sendmsg+0xcd/0x170 [ 970.059739][ T10] do_syscall_64+0xc6/0x1e0 [ 970.059739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.059739][ T10] [ 970.061745][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 970.061745][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 970.061745][ T10] ipv6_find_idev+0x102/0x170 [ 970.061745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.061745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.061745][ T10] netlink_rcv_skb+0x130/0x360 [ 970.061745][ T10] netlink_unicast+0x449/0x710 [ 970.061745][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.061745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.061745][ T10] ___sys_sendmsg+0xee/0x170 [ 970.061745][ T10] __sys_sendmsg+0xcd/0x170 [ 970.061745][ T10] do_syscall_64+0xc6/0x1e0 [ 970.061745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.061745][ T10] [ 970.063307][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 970.063307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 970.063307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 970.063307][ T10] ipv6_find_idev+0x102/0x170 [ 970.063307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.063307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.063307][ T10] netlink_rcv_skb+0x130/0x360 [ 970.063307][ T10] netlink_unicast+0x449/0x710 [ 970.063307][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.063307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.063307][ T10] ___sys_sendmsg+0xee/0x170 [ 970.063307][ T10] __sys_sendmsg+0xcd/0x170 [ 970.063307][ T10] do_syscall_64+0xc6/0x1e0 [ 970.063307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.063307][ T10] [ 970.064993][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 970.065272][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 970.065272][ T10] netdev_get_by_index+0x5e/0x80 [ 970.065272][ T10] fib6_nh_init+0x3d8/0x15b0 [ 970.065272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 970.065272][ T10] addrconf_f6i_alloc+0x244/0x410 [ 970.065272][ T10] ipv6_add_addr+0x411/0x2000 [ 970.065272][ T10] inet6_addr_add+0x30e/0xa40 [ 970.065272][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 970.065272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.065272][ T10] netlink_rcv_skb+0x130/0x360 [ 970.065272][ T10] netlink_unicast+0x449/0x710 [ 970.065272][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.065272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.065272][ T10] ___sys_sendmsg+0xee/0x170 [ 970.065272][ T10] __sys_sendmsg+0xcd/0x170 [ 970.065272][ T10] do_syscall_64+0xc6/0x1e0 [ 970.065272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.065272][ T10] [ 970.067392][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 970.067392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 970.067392][ T10] ipv6_find_idev+0x102/0x170 [ 970.067392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.067392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.067392][ T10] netlink_rcv_skb+0x130/0x360 [ 970.067392][ T10] netlink_unicast+0x449/0x710 [ 970.067392][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.067392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.067392][ T10] ___sys_sendmsg+0xee/0x170 [ 970.067392][ T10] __sys_sendmsg+0xcd/0x170 [ 970.067392][ T10] do_syscall_64+0xc6/0x1e0 [ 970.067392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.067392][ T10] [ 970.069068][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 970.069068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 970.069068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 970.069068][ T10] ipv6_find_idev+0x102/0x170 [ 970.069068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.069068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.069068][ T10] netlink_rcv_skb+0x130/0x360 [ 970.069068][ T10] netlink_unicast+0x449/0x710 [ 970.069068][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.069068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.069068][ T10] ___sys_sendmsg+0xee/0x170 [ 970.069068][ T10] __sys_sendmsg+0xcd/0x170 [ 970.069068][ T10] do_syscall_64+0xc6/0x1e0 [ 970.069068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.069068][ T10] [ 970.071043][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 970.071751][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 970.071751][ T10] netdev_get_by_index+0x5e/0x80 [ 970.071751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 970.071751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 970.071751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 970.071751][ T10] ipv6_add_addr+0x411/0x2000 [ 970.071751][ T10] inet6_addr_add+0x30e/0xa40 [ 970.071751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 970.071751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.071751][ T10] netlink_rcv_skb+0x130/0x360 [ 970.071751][ T10] netlink_unicast+0x449/0x710 [ 970.071751][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.071751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.071751][ T10] ___sys_sendmsg+0xee/0x170 [ 970.071751][ T10] __sys_sendmsg+0xcd/0x170 [ 970.071751][ T10] do_syscall_64+0xc6/0x1e0 [ 970.071751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.071751][ T10] [ 970.073757][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 970.073757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 970.073757][ T10] ipv6_find_idev+0x102/0x170 [ 970.073757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.073757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.073757][ T10] netlink_rcv_skb+0x130/0x360 [ 970.073757][ T10] netlink_unicast+0x449/0x710 [ 970.073757][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.073757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.073757][ T10] ___sys_sendmsg+0xee/0x170 [ 970.073757][ T10] __sys_sendmsg+0xcd/0x170 [ 970.073757][ T10] do_syscall_64+0xc6/0x1e0 [ 970.073757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.073757][ T10] [ 970.075430][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 970.075430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 970.075430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 970.075430][ T10] ipv6_find_idev+0x102/0x170 [ 970.075430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.075430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.075430][ T10] netlink_rcv_skb+0x130/0x360 [ 970.075430][ T10] netlink_unicast+0x449/0x710 [ 970.075430][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.075430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.075430][ T10] ___sys_sendmsg+0xee/0x170 [ 970.075430][ T10] __sys_sendmsg+0xcd/0x170 [ 970.075430][ T10] do_syscall_64+0xc6/0x1e0 [ 970.075430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.075430][ T10] [ 970.077385][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 970.077643][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 970.077643][ T10] netdev_get_by_index+0x5e/0x80 [ 970.077643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 970.077643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 970.077643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 970.077643][ T10] ipv6_add_addr+0x411/0x2000 [ 970.077643][ T10] inet6_addr_add+0x30e/0xa40 [ 970.077643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 970.077643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.077643][ T10] netlink_rcv_skb+0x130/0x360 [ 970.077643][ T10] netlink_unicast+0x449/0x710 [ 970.077643][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.077643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.077643][ T10] ___sys_sendmsg+0xee/0x170 [ 970.077643][ T10] __sys_sendmsg+0xcd/0x170 [ 970.077643][ T10] do_syscall_64+0xc6/0x1e0 [ 970.077643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.077643][ T10] [ 970.079896][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 970.079896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 970.079896][ T10] ipv6_find_idev+0x102/0x170 [ 970.079896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.079896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.079896][ T10] netlink_rcv_skb+0x130/0x360 [ 970.079896][ T10] netlink_unicast+0x449/0x710 [ 970.079896][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.079896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.079896][ T10] ___sys_sendmsg+0xee/0x170 [ 970.079896][ T10] __sys_sendmsg+0xcd/0x170 [ 970.079896][ T10] do_syscall_64+0xc6/0x1e0 [ 970.079896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.079896][ T10] [ 970.081472][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 970.081472][ T10] neigh_parms_alloc+0x1e5/0x510 [ 970.081472][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 970.081472][ T10] ipv6_find_idev+0x102/0x170 [ 970.081472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.081472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.081472][ T10] netlink_rcv_skb+0x130/0x360 [ 970.081472][ T10] netlink_unicast+0x449/0x710 [ 970.081472][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.081472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.081472][ T10] ___sys_sendmsg+0xee/0x170 [ 970.081472][ T10] __sys_sendmsg+0xcd/0x170 [ 970.081472][ T10] do_syscall_64+0xc6/0x1e0 [ 970.081472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.081472][ T10] [ 970.083225][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 970.083487][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 970.083487][ T10] netdev_get_by_index+0x5e/0x80 [ 970.083487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 970.083487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 970.083487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 970.083487][ T10] ipv6_add_addr+0x411/0x2000 [ 970.083487][ T10] inet6_addr_add+0x30e/0xa40 [ 970.083487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 970.083487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.083487][ T10] netlink_rcv_skb+0x130/0x360 [ 970.083487][ T10] netlink_unicast+0x449/0x710 [ 970.083487][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.083487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.083487][ T10] ___sys_sendmsg+0xee/0x170 [ 970.083487][ T10] __sys_sendmsg+0xcd/0x170 [ 970.083487][ T10] do_syscall_64+0xc6/0x1e0 [ 970.083487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.083487][ T10] [ 970.085660][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 970.085660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 970.085660][ T10] ipv6_find_idev+0x102/0x170 [ 970.085660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.085660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.085660][ T10] netlink_rcv_skb+0x130/0x360 [ 970.085660][ T10] netlink_unicast+0x449/0x710 [ 970.085660][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.085660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.085660][ T10] ___sys_sendmsg+0xee/0x170 [ 970.085660][ T10] __sys_sendmsg+0xcd/0x170 [ 970.085660][ T10] do_syscall_64+0xc6/0x1e0 [ 970.085660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.085660][ T10] [ 970.087490][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 970.087490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 970.087490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 970.087490][ T10] ipv6_find_idev+0x102/0x170 [ 970.087490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.087490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.087490][ T10] netlink_rcv_skb+0x130/0x360 [ 970.087490][ T10] netlink_unicast+0x449/0x710 [ 970.087490][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.087490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.087490][ T10] ___sys_sendmsg+0xee/0x170 [ 970.087490][ T10] __sys_sendmsg+0xcd/0x170 [ 970.087490][ T10] do_syscall_64+0xc6/0x1e0 [ 970.087490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.087490][ T10] [ 970.089326][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 970.089629][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 970.089629][ T10] netdev_get_by_index+0x5e/0x80 [ 970.089629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 970.089629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 970.089629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 970.089629][ T10] ipv6_add_addr+0x411/0x2000 [ 970.089629][ T10] inet6_addr_add+0x30e/0xa40 [ 970.089629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 970.089629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.089629][ T10] netlink_rcv_skb+0x130/0x360 [ 970.089629][ T10] netlink_unicast+0x449/0x710 [ 970.089629][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.089629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.089629][ T10] ___sys_sendmsg+0xee/0x170 [ 970.089629][ T10] __sys_sendmsg+0xcd/0x170 [ 970.089629][ T10] do_syscall_64+0xc6/0x1e0 [ 970.089629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.089629][ T10] [ 970.091887][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 970.091887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 970.091887][ T10] ipv6_find_idev+0x102/0x170 [ 970.091887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.091887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.091887][ T10] netlink_rcv_skb+0x130/0x360 [ 970.091887][ T10] netlink_unicast+0x449/0x710 [ 970.091887][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.091887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.091887][ T10] ___sys_sendmsg+0xee/0x170 [ 970.091887][ T10] __sys_sendmsg+0xcd/0x170 [ 970.091887][ T10] do_syscall_64+0xc6/0x1e0 [ 970.091887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.091887][ T10] [ 970.093763][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 970.093763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 970.093763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 970.093763][ T10] ipv6_find_idev+0x102/0x170 [ 970.093763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 970.093763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 970.093763][ T10] netlink_rcv_skb+0x130/0x360 [ 970.093763][ T10] netlink_unicast+0x449/0x710 [ 970.093763][ T10] netlink_sendmsg+0x723/0xbe0 [ 970.093763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 970.093763][ T10] ___sys_sendmsg+0xee/0x170 [ 970.093763][ T10] __sys_sendmsg+0xcd/0x170 [ 970.093763][ T10] do_syscall_64+0xc6/0x1e0 [ 970.093763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 970.093763][ T10] [ 980.184282][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 980.184989][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 980.184989][ T10] netdev_get_by_index+0x5e/0x80 [ 980.184989][ T10] fib6_nh_init+0x3d8/0x15b0 [ 980.184989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 980.184989][ T10] addrconf_f6i_alloc+0x244/0x410 [ 980.184989][ T10] ipv6_add_addr+0x411/0x2000 [ 980.184989][ T10] inet6_addr_add+0x30e/0xa40 [ 980.184989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 980.184989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.184989][ T10] netlink_rcv_skb+0x130/0x360 [ 980.184989][ T10] netlink_unicast+0x449/0x710 [ 980.184989][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.184989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.184989][ T10] ___sys_sendmsg+0xee/0x170 [ 980.184989][ T10] __sys_sendmsg+0xcd/0x170 [ 980.184989][ T10] do_syscall_64+0xc6/0x1e0 [ 980.184989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.184989][ T10] [ 980.186953][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 980.186953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 980.186953][ T10] ipv6_find_idev+0x102/0x170 [ 980.186953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.186953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.186953][ T10] netlink_rcv_skb+0x130/0x360 [ 980.186953][ T10] netlink_unicast+0x449/0x710 [ 980.186953][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.186953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.186953][ T10] ___sys_sendmsg+0xee/0x170 [ 980.186953][ T10] __sys_sendmsg+0xcd/0x170 [ 980.186953][ T10] do_syscall_64+0xc6/0x1e0 [ 980.186953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.186953][ T10] [ 980.188454][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 980.188454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 980.188454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 980.188454][ T10] ipv6_find_idev+0x102/0x170 [ 980.188454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.188454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.188454][ T10] netlink_rcv_skb+0x130/0x360 [ 980.188454][ T10] netlink_unicast+0x449/0x710 [ 980.188454][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.188454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.188454][ T10] ___sys_sendmsg+0xee/0x170 [ 980.188454][ T10] __sys_sendmsg+0xcd/0x170 [ 980.188454][ T10] do_syscall_64+0xc6/0x1e0 [ 980.188454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.188454][ T10] [ 980.190165][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 980.190477][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 980.190477][ T10] netdev_get_by_index+0x5e/0x80 [ 980.190477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 980.190477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 980.190477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 980.190477][ T10] ipv6_add_addr+0x411/0x2000 [ 980.190477][ T10] inet6_addr_add+0x30e/0xa40 [ 980.190477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 980.190477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.190477][ T10] netlink_rcv_skb+0x130/0x360 [ 980.190477][ T10] netlink_unicast+0x449/0x710 [ 980.190477][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.190477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.190477][ T10] ___sys_sendmsg+0xee/0x170 [ 980.190477][ T10] __sys_sendmsg+0xcd/0x170 [ 980.190477][ T10] do_syscall_64+0xc6/0x1e0 [ 980.190477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.190477][ T10] [ 980.192531][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 980.192531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 980.192531][ T10] ipv6_find_idev+0x102/0x170 [ 980.192531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.192531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.192531][ T10] netlink_rcv_skb+0x130/0x360 [ 980.192531][ T10] netlink_unicast+0x449/0x710 [ 980.192531][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.192531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.192531][ T10] ___sys_sendmsg+0xee/0x170 [ 980.192531][ T10] __sys_sendmsg+0xcd/0x170 [ 980.192531][ T10] do_syscall_64+0xc6/0x1e0 [ 980.192531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.192531][ T10] [ 980.194035][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 980.194035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 980.194035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 980.194035][ T10] ipv6_find_idev+0x102/0x170 [ 980.194035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.194035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.194035][ T10] netlink_rcv_skb+0x130/0x360 [ 980.194035][ T10] netlink_unicast+0x449/0x710 [ 980.194035][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.194035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.194035][ T10] ___sys_sendmsg+0xee/0x170 [ 980.194035][ T10] __sys_sendmsg+0xcd/0x170 [ 980.194035][ T10] do_syscall_64+0xc6/0x1e0 [ 980.194035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.194035][ T10] [ 980.195648][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 980.195938][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 980.195938][ T10] netdev_get_by_index+0x5e/0x80 [ 980.195938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 980.195938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 980.195938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 980.195938][ T10] ipv6_add_addr+0x411/0x2000 [ 980.195938][ T10] inet6_addr_add+0x30e/0xa40 [ 980.195938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 980.195938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.195938][ T10] netlink_rcv_skb+0x130/0x360 [ 980.195938][ T10] netlink_unicast+0x449/0x710 [ 980.195938][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.195938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.195938][ T10] ___sys_sendmsg+0xee/0x170 [ 980.195938][ T10] __sys_sendmsg+0xcd/0x170 [ 980.195938][ T10] do_syscall_64+0xc6/0x1e0 [ 980.195938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.195938][ T10] [ 980.197911][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 980.197911][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 980.197911][ T10] ipv6_find_idev+0x102/0x170 [ 980.197911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.197911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.197911][ T10] netlink_rcv_skb+0x130/0x360 [ 980.197911][ T10] netlink_unicast+0x449/0x710 [ 980.197911][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.197911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.197911][ T10] ___sys_sendmsg+0xee/0x170 [ 980.197911][ T10] __sys_sendmsg+0xcd/0x170 [ 980.197911][ T10] do_syscall_64+0xc6/0x1e0 [ 980.197911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.197911][ T10] [ 980.199376][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 980.199376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 980.199376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 980.199376][ T10] ipv6_find_idev+0x102/0x170 [ 980.199376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.199376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.199376][ T10] netlink_rcv_skb+0x130/0x360 [ 980.199376][ T10] netlink_unicast+0x449/0x710 [ 980.199376][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.199376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.199376][ T10] ___sys_sendmsg+0xee/0x170 [ 980.199376][ T10] __sys_sendmsg+0xcd/0x170 [ 980.199376][ T10] do_syscall_64+0xc6/0x1e0 [ 980.199376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.199376][ T10] [ 980.201037][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 980.201790][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 980.201790][ T10] netdev_get_by_index+0x5e/0x80 [ 980.201790][ T10] fib6_nh_init+0x3d8/0x15b0 [ 980.201790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 980.201790][ T10] addrconf_f6i_alloc+0x244/0x410 [ 980.201790][ T10] ipv6_add_addr+0x411/0x2000 [ 980.201790][ T10] inet6_addr_add+0x30e/0xa40 [ 980.201790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 980.201790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.201790][ T10] netlink_rcv_skb+0x130/0x360 [ 980.201790][ T10] netlink_unicast+0x449/0x710 [ 980.201790][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.201790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.201790][ T10] ___sys_sendmsg+0xee/0x170 [ 980.201790][ T10] __sys_sendmsg+0xcd/0x170 [ 980.201790][ T10] do_syscall_64+0xc6/0x1e0 [ 980.201790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.201790][ T10] [ 980.203825][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 980.203825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 980.203825][ T10] ipv6_find_idev+0x102/0x170 [ 980.203825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.203825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.203825][ T10] netlink_rcv_skb+0x130/0x360 [ 980.203825][ T10] netlink_unicast+0x449/0x710 [ 980.203825][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.203825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.203825][ T10] ___sys_sendmsg+0xee/0x170 [ 980.203825][ T10] __sys_sendmsg+0xcd/0x170 [ 980.203825][ T10] do_syscall_64+0xc6/0x1e0 [ 980.203825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.203825][ T10] [ 980.205365][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 980.205365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 980.205365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 980.205365][ T10] ipv6_find_idev+0x102/0x170 [ 980.205365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.205365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.205365][ T10] netlink_rcv_skb+0x130/0x360 [ 980.205365][ T10] netlink_unicast+0x449/0x710 [ 980.205365][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.205365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.205365][ T10] ___sys_sendmsg+0xee/0x170 [ 980.205365][ T10] __sys_sendmsg+0xcd/0x170 [ 980.205365][ T10] do_syscall_64+0xc6/0x1e0 [ 980.205365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.205365][ T10] [ 980.207168][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 980.207480][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 980.207480][ T10] netdev_get_by_index+0x5e/0x80 [ 980.207480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 980.207480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 980.207480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 980.207480][ T10] ipv6_add_addr+0x411/0x2000 [ 980.207480][ T10] inet6_addr_add+0x30e/0xa40 [ 980.207480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 980.207480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.207480][ T10] netlink_rcv_skb+0x130/0x360 [ 980.207480][ T10] netlink_unicast+0x449/0x710 [ 980.207480][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.207480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.207480][ T10] ___sys_sendmsg+0xee/0x170 [ 980.207480][ T10] __sys_sendmsg+0xcd/0x170 [ 980.207480][ T10] do_syscall_64+0xc6/0x1e0 [ 980.207480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.207480][ T10] [ 980.209541][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 980.209541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 980.209541][ T10] ipv6_find_idev+0x102/0x170 [ 980.209541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.209541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.209541][ T10] netlink_rcv_skb+0x130/0x360 [ 980.209541][ T10] netlink_unicast+0x449/0x710 [ 980.209541][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.209541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.209541][ T10] ___sys_sendmsg+0xee/0x170 [ 980.209541][ T10] __sys_sendmsg+0xcd/0x170 [ 980.209541][ T10] do_syscall_64+0xc6/0x1e0 [ 980.209541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.209541][ T10] [ 980.211139][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 980.211139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 980.211139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 980.211139][ T10] ipv6_find_idev+0x102/0x170 [ 980.211139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.211139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.211139][ T10] netlink_rcv_skb+0x130/0x360 [ 980.211139][ T10] netlink_unicast+0x449/0x710 [ 980.211139][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.211139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.211139][ T10] ___sys_sendmsg+0xee/0x170 [ 980.211139][ T10] __sys_sendmsg+0xcd/0x170 [ 980.211139][ T10] do_syscall_64+0xc6/0x1e0 [ 980.211139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.211139][ T10] [ 980.212975][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 980.213306][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 980.213306][ T10] netdev_get_by_index+0x5e/0x80 [ 980.213306][ T10] fib6_nh_init+0x3d8/0x15b0 [ 980.213306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 980.213306][ T10] addrconf_f6i_alloc+0x244/0x410 [ 980.213306][ T10] ipv6_add_addr+0x411/0x2000 [ 980.213306][ T10] inet6_addr_add+0x30e/0xa40 [ 980.213306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 980.213306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.213306][ T10] netlink_rcv_skb+0x130/0x360 [ 980.213306][ T10] netlink_unicast+0x449/0x710 [ 980.213306][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.213306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.213306][ T10] ___sys_sendmsg+0xee/0x170 [ 980.213306][ T10] __sys_sendmsg+0xcd/0x170 [ 980.213306][ T10] do_syscall_64+0xc6/0x1e0 [ 980.213306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.213306][ T10] [ 980.215389][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 980.215389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 980.215389][ T10] ipv6_find_idev+0x102/0x170 [ 980.215389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.215389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.215389][ T10] netlink_rcv_skb+0x130/0x360 [ 980.215389][ T10] netlink_unicast+0x449/0x710 [ 980.215389][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.215389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.215389][ T10] ___sys_sendmsg+0xee/0x170 [ 980.215389][ T10] __sys_sendmsg+0xcd/0x170 [ 980.215389][ T10] do_syscall_64+0xc6/0x1e0 [ 980.215389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.215389][ T10] [ 980.217063][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 980.217063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 980.217063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 980.217063][ T10] ipv6_find_idev+0x102/0x170 [ 980.217063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.217063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.217063][ T10] netlink_rcv_skb+0x130/0x360 [ 980.217063][ T10] netlink_unicast+0x449/0x710 [ 980.217063][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.217063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.217063][ T10] ___sys_sendmsg+0xee/0x170 [ 980.217063][ T10] __sys_sendmsg+0xcd/0x170 [ 980.217063][ T10] do_syscall_64+0xc6/0x1e0 [ 980.217063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.217063][ T10] [ 980.219043][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 980.219375][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 980.219375][ T10] netdev_get_by_index+0x5e/0x80 [ 980.219375][ T10] fib6_nh_init+0x3d8/0x15b0 [ 980.219375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 980.219375][ T10] addrconf_f6i_alloc+0x244/0x410 [ 980.219375][ T10] ipv6_add_addr+0x411/0x2000 [ 980.219375][ T10] inet6_addr_add+0x30e/0xa40 [ 980.219375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 980.219375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.219375][ T10] netlink_rcv_skb+0x130/0x360 [ 980.219375][ T10] netlink_unicast+0x449/0x710 [ 980.219375][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.219375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.219375][ T10] ___sys_sendmsg+0xee/0x170 [ 980.219375][ T10] __sys_sendmsg+0xcd/0x170 [ 980.219375][ T10] do_syscall_64+0xc6/0x1e0 [ 980.219375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.219375][ T10] [ 980.221613][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 980.221613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 980.221613][ T10] ipv6_find_idev+0x102/0x170 [ 980.221613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.221613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.221613][ T10] netlink_rcv_skb+0x130/0x360 [ 980.221613][ T10] netlink_unicast+0x449/0x710 [ 980.221613][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.221613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.221613][ T10] ___sys_sendmsg+0xee/0x170 [ 980.221613][ T10] __sys_sendmsg+0xcd/0x170 [ 980.221613][ T10] do_syscall_64+0xc6/0x1e0 [ 980.221613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.221613][ T10] [ 980.223340][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 980.223340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 980.223340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 980.223340][ T10] ipv6_find_idev+0x102/0x170 [ 980.223340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.223340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.223340][ T10] netlink_rcv_skb+0x130/0x360 [ 980.223340][ T10] netlink_unicast+0x449/0x710 [ 980.223340][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.223340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.223340][ T10] ___sys_sendmsg+0xee/0x170 [ 980.223340][ T10] __sys_sendmsg+0xcd/0x170 [ 980.223340][ T10] do_syscall_64+0xc6/0x1e0 [ 980.223340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.223340][ T10] [ 980.225190][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 980.225505][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 980.225505][ T10] netdev_get_by_index+0x5e/0x80 [ 980.225505][ T10] fib6_nh_init+0x3d8/0x15b0 [ 980.225505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 980.225505][ T10] addrconf_f6i_alloc+0x244/0x410 [ 980.225505][ T10] ipv6_add_addr+0x411/0x2000 [ 980.225505][ T10] inet6_addr_add+0x30e/0xa40 [ 980.225505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 980.225505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.225505][ T10] netlink_rcv_skb+0x130/0x360 [ 980.225505][ T10] netlink_unicast+0x449/0x710 [ 980.225505][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.225505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.225505][ T10] ___sys_sendmsg+0xee/0x170 [ 980.225505][ T10] __sys_sendmsg+0xcd/0x170 [ 980.225505][ T10] do_syscall_64+0xc6/0x1e0 [ 980.225505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.225505][ T10] [ 980.227644][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 980.227644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 980.227644][ T10] ipv6_find_idev+0x102/0x170 [ 980.227644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.227644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.227644][ T10] netlink_rcv_skb+0x130/0x360 [ 980.227644][ T10] netlink_unicast+0x449/0x710 [ 980.227644][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.227644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.227644][ T10] ___sys_sendmsg+0xee/0x170 [ 980.227644][ T10] __sys_sendmsg+0xcd/0x170 [ 980.227644][ T10] do_syscall_64+0xc6/0x1e0 [ 980.227644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.227644][ T10] [ 980.229335][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 980.229335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 980.229335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 980.229335][ T10] ipv6_find_idev+0x102/0x170 [ 980.229335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 980.229335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 980.229335][ T10] netlink_rcv_skb+0x130/0x360 [ 980.229335][ T10] netlink_unicast+0x449/0x710 [ 980.229335][ T10] netlink_sendmsg+0x723/0xbe0 [ 980.229335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 980.229335][ T10] ___sys_sendmsg+0xee/0x170 [ 980.229335][ T10] __sys_sendmsg+0xcd/0x170 [ 980.229335][ T10] do_syscall_64+0xc6/0x1e0 [ 980.229335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 980.229335][ T10] [ 990.328219][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 990.328553][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 990.328553][ T10] netdev_get_by_index+0x5e/0x80 [ 990.328553][ T10] fib6_nh_init+0x3d8/0x15b0 [ 990.328553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 990.328553][ T10] addrconf_f6i_alloc+0x244/0x410 [ 990.328553][ T10] ipv6_add_addr+0x411/0x2000 [ 990.328553][ T10] inet6_addr_add+0x30e/0xa40 [ 990.328553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 990.328553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.328553][ T10] netlink_rcv_skb+0x130/0x360 [ 990.328553][ T10] netlink_unicast+0x449/0x710 [ 990.328553][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.328553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.328553][ T10] ___sys_sendmsg+0xee/0x170 [ 990.328553][ T10] __sys_sendmsg+0xcd/0x170 [ 990.328553][ T10] do_syscall_64+0xc6/0x1e0 [ 990.328553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.328553][ T10] [ 990.330612][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 990.330612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 990.330612][ T10] ipv6_find_idev+0x102/0x170 [ 990.330612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.330612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.330612][ T10] netlink_rcv_skb+0x130/0x360 [ 990.330612][ T10] netlink_unicast+0x449/0x710 [ 990.330612][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.330612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.330612][ T10] ___sys_sendmsg+0xee/0x170 [ 990.330612][ T10] __sys_sendmsg+0xcd/0x170 [ 990.330612][ T10] do_syscall_64+0xc6/0x1e0 [ 990.330612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.330612][ T10] [ 990.332169][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 990.332169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 990.332169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 990.332169][ T10] ipv6_find_idev+0x102/0x170 [ 990.332169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.332169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.332169][ T10] netlink_rcv_skb+0x130/0x360 [ 990.332169][ T10] netlink_unicast+0x449/0x710 [ 990.332169][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.332169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.332169][ T10] ___sys_sendmsg+0xee/0x170 [ 990.332169][ T10] __sys_sendmsg+0xcd/0x170 [ 990.332169][ T10] do_syscall_64+0xc6/0x1e0 [ 990.332169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.332169][ T10] [ 990.333828][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 990.334100][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 990.334100][ T10] netdev_get_by_index+0x5e/0x80 [ 990.334100][ T10] fib6_nh_init+0x3d8/0x15b0 [ 990.334100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 990.334100][ T10] addrconf_f6i_alloc+0x244/0x410 [ 990.334100][ T10] ipv6_add_addr+0x411/0x2000 [ 990.334100][ T10] inet6_addr_add+0x30e/0xa40 [ 990.334100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 990.334100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.334100][ T10] netlink_rcv_skb+0x130/0x360 [ 990.334100][ T10] netlink_unicast+0x449/0x710 [ 990.334100][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.334100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.334100][ T10] ___sys_sendmsg+0xee/0x170 [ 990.334100][ T10] __sys_sendmsg+0xcd/0x170 [ 990.334100][ T10] do_syscall_64+0xc6/0x1e0 [ 990.334100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.334100][ T10] [ 990.336045][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 990.336045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 990.336045][ T10] ipv6_find_idev+0x102/0x170 [ 990.336045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.336045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.336045][ T10] netlink_rcv_skb+0x130/0x360 [ 990.336045][ T10] netlink_unicast+0x449/0x710 [ 990.336045][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.336045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.336045][ T10] ___sys_sendmsg+0xee/0x170 [ 990.336045][ T10] __sys_sendmsg+0xcd/0x170 [ 990.336045][ T10] do_syscall_64+0xc6/0x1e0 [ 990.336045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.336045][ T10] [ 990.337574][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 990.337574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 990.337574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 990.337574][ T10] ipv6_find_idev+0x102/0x170 [ 990.337574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.337574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.337574][ T10] netlink_rcv_skb+0x130/0x360 [ 990.337574][ T10] netlink_unicast+0x449/0x710 [ 990.337574][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.337574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.337574][ T10] ___sys_sendmsg+0xee/0x170 [ 990.337574][ T10] __sys_sendmsg+0xcd/0x170 [ 990.337574][ T10] do_syscall_64+0xc6/0x1e0 [ 990.337574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.337574][ T10] [ 990.339340][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 990.339620][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 990.339620][ T10] netdev_get_by_index+0x5e/0x80 [ 990.339620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 990.339620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 990.339620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 990.339620][ T10] ipv6_add_addr+0x411/0x2000 [ 990.339620][ T10] inet6_addr_add+0x30e/0xa40 [ 990.339620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 990.339620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.339620][ T10] netlink_rcv_skb+0x130/0x360 [ 990.339620][ T10] netlink_unicast+0x449/0x710 [ 990.339620][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.339620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.339620][ T10] ___sys_sendmsg+0xee/0x170 [ 990.339620][ T10] __sys_sendmsg+0xcd/0x170 [ 990.339620][ T10] do_syscall_64+0xc6/0x1e0 [ 990.339620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.339620][ T10] [ 990.341742][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 990.341742][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 990.341742][ T10] ipv6_find_idev+0x102/0x170 [ 990.341742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.341742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.341742][ T10] netlink_rcv_skb+0x130/0x360 [ 990.341742][ T10] netlink_unicast+0x449/0x710 [ 990.341742][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.341742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.341742][ T10] ___sys_sendmsg+0xee/0x170 [ 990.341742][ T10] __sys_sendmsg+0xcd/0x170 [ 990.341742][ T10] do_syscall_64+0xc6/0x1e0 [ 990.341742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.341742][ T10] [ 990.343398][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 990.343398][ T10] neigh_parms_alloc+0x1e5/0x510 [ 990.343398][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 990.343398][ T10] ipv6_find_idev+0x102/0x170 [ 990.343398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.343398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.343398][ T10] netlink_rcv_skb+0x130/0x360 [ 990.343398][ T10] netlink_unicast+0x449/0x710 [ 990.343398][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.343398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.343398][ T10] ___sys_sendmsg+0xee/0x170 [ 990.343398][ T10] __sys_sendmsg+0xcd/0x170 [ 990.343398][ T10] do_syscall_64+0xc6/0x1e0 [ 990.343398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.343398][ T10] [ 990.345311][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 990.345579][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 990.345579][ T10] netdev_get_by_index+0x5e/0x80 [ 990.345579][ T10] fib6_nh_init+0x3d8/0x15b0 [ 990.345579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 990.345579][ T10] addrconf_f6i_alloc+0x244/0x410 [ 990.345579][ T10] ipv6_add_addr+0x411/0x2000 [ 990.345579][ T10] inet6_addr_add+0x30e/0xa40 [ 990.345579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 990.345579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.345579][ T10] netlink_rcv_skb+0x130/0x360 [ 990.345579][ T10] netlink_unicast+0x449/0x710 [ 990.345579][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.345579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.345579][ T10] ___sys_sendmsg+0xee/0x170 [ 990.345579][ T10] __sys_sendmsg+0xcd/0x170 [ 990.345579][ T10] do_syscall_64+0xc6/0x1e0 [ 990.345579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.345579][ T10] [ 990.347616][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 990.347616][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 990.347616][ T10] ipv6_find_idev+0x102/0x170 [ 990.347616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.347616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.347616][ T10] netlink_rcv_skb+0x130/0x360 [ 990.347616][ T10] netlink_unicast+0x449/0x710 [ 990.347616][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.347616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.347616][ T10] ___sys_sendmsg+0xee/0x170 [ 990.347616][ T10] __sys_sendmsg+0xcd/0x170 [ 990.347616][ T10] do_syscall_64+0xc6/0x1e0 [ 990.347616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.347616][ T10] [ 990.349192][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 990.349192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 990.349192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 990.349192][ T10] ipv6_find_idev+0x102/0x170 [ 990.349192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.349192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.349192][ T10] netlink_rcv_skb+0x130/0x360 [ 990.349192][ T10] netlink_unicast+0x449/0x710 [ 990.349192][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.349192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.349192][ T10] ___sys_sendmsg+0xee/0x170 [ 990.349192][ T10] __sys_sendmsg+0xcd/0x170 [ 990.349192][ T10] do_syscall_64+0xc6/0x1e0 [ 990.349192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.349192][ T10] [ 990.351524][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 990.351786][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 990.351786][ T10] netdev_get_by_index+0x5e/0x80 [ 990.351786][ T10] fib6_nh_init+0x3d8/0x15b0 [ 990.351786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 990.351786][ T10] addrconf_f6i_alloc+0x244/0x410 [ 990.351786][ T10] ipv6_add_addr+0x411/0x2000 [ 990.351786][ T10] inet6_addr_add+0x30e/0xa40 [ 990.351786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 990.351786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.351786][ T10] netlink_rcv_skb+0x130/0x360 [ 990.351786][ T10] netlink_unicast+0x449/0x710 [ 990.351786][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.351786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.351786][ T10] ___sys_sendmsg+0xee/0x170 [ 990.351786][ T10] __sys_sendmsg+0xcd/0x170 [ 990.351786][ T10] do_syscall_64+0xc6/0x1e0 [ 990.351786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.351786][ T10] [ 990.353848][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 990.353848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 990.353848][ T10] ipv6_find_idev+0x102/0x170 [ 990.353848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.353848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.353848][ T10] netlink_rcv_skb+0x130/0x360 [ 990.353848][ T10] netlink_unicast+0x449/0x710 [ 990.353848][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.353848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.353848][ T10] ___sys_sendmsg+0xee/0x170 [ 990.353848][ T10] __sys_sendmsg+0xcd/0x170 [ 990.353848][ T10] do_syscall_64+0xc6/0x1e0 [ 990.353848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.353848][ T10] [ 990.355498][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 990.355498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 990.355498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 990.355498][ T10] ipv6_find_idev+0x102/0x170 [ 990.355498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.355498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.355498][ T10] netlink_rcv_skb+0x130/0x360 [ 990.355498][ T10] netlink_unicast+0x449/0x710 [ 990.355498][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.355498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.355498][ T10] ___sys_sendmsg+0xee/0x170 [ 990.355498][ T10] __sys_sendmsg+0xcd/0x170 [ 990.355498][ T10] do_syscall_64+0xc6/0x1e0 [ 990.355498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.355498][ T10] [ 990.357380][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 990.357641][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 990.357641][ T10] netdev_get_by_index+0x5e/0x80 [ 990.357641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 990.357641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 990.357641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 990.357641][ T10] ipv6_add_addr+0x411/0x2000 [ 990.357641][ T10] inet6_addr_add+0x30e/0xa40 [ 990.357641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 990.357641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.357641][ T10] netlink_rcv_skb+0x130/0x360 [ 990.357641][ T10] netlink_unicast+0x449/0x710 [ 990.357641][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.357641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.357641][ T10] ___sys_sendmsg+0xee/0x170 [ 990.357641][ T10] __sys_sendmsg+0xcd/0x170 [ 990.357641][ T10] do_syscall_64+0xc6/0x1e0 [ 990.357641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.357641][ T10] [ 990.359738][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 990.359738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 990.359738][ T10] ipv6_find_idev+0x102/0x170 [ 990.359738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.359738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.359738][ T10] netlink_rcv_skb+0x130/0x360 [ 990.359738][ T10] netlink_unicast+0x449/0x710 [ 990.359738][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.359738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.359738][ T10] ___sys_sendmsg+0xee/0x170 [ 990.359738][ T10] __sys_sendmsg+0xcd/0x170 [ 990.359738][ T10] do_syscall_64+0xc6/0x1e0 [ 990.359738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.359738][ T10] [ 990.361341][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 990.361341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 990.361341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 990.361341][ T10] ipv6_find_idev+0x102/0x170 [ 990.361341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.361341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.361341][ T10] netlink_rcv_skb+0x130/0x360 [ 990.361341][ T10] netlink_unicast+0x449/0x710 [ 990.361341][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.361341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.361341][ T10] ___sys_sendmsg+0xee/0x170 [ 990.361341][ T10] __sys_sendmsg+0xcd/0x170 [ 990.361341][ T10] do_syscall_64+0xc6/0x1e0 [ 990.361341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.361341][ T10] [ 990.363140][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 990.363419][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 990.363419][ T10] netdev_get_by_index+0x5e/0x80 [ 990.363419][ T10] fib6_nh_init+0x3d8/0x15b0 [ 990.363419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 990.363419][ T10] addrconf_f6i_alloc+0x244/0x410 [ 990.363419][ T10] ipv6_add_addr+0x411/0x2000 [ 990.363419][ T10] inet6_addr_add+0x30e/0xa40 [ 990.363419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 990.363419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.363419][ T10] netlink_rcv_skb+0x130/0x360 [ 990.363419][ T10] netlink_unicast+0x449/0x710 [ 990.363419][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.363419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.363419][ T10] ___sys_sendmsg+0xee/0x170 [ 990.363419][ T10] __sys_sendmsg+0xcd/0x170 [ 990.363419][ T10] do_syscall_64+0xc6/0x1e0 [ 990.363419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.363419][ T10] [ 990.365484][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 990.365484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 990.365484][ T10] ipv6_find_idev+0x102/0x170 [ 990.365484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.365484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.365484][ T10] netlink_rcv_skb+0x130/0x360 [ 990.365484][ T10] netlink_unicast+0x449/0x710 [ 990.365484][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.365484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.365484][ T10] ___sys_sendmsg+0xee/0x170 [ 990.365484][ T10] __sys_sendmsg+0xcd/0x170 [ 990.365484][ T10] do_syscall_64+0xc6/0x1e0 [ 990.365484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.365484][ T10] [ 990.367262][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 990.367262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 990.367262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 990.367262][ T10] ipv6_find_idev+0x102/0x170 [ 990.367262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.367262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.367262][ T10] netlink_rcv_skb+0x130/0x360 [ 990.367262][ T10] netlink_unicast+0x449/0x710 [ 990.367262][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.367262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.367262][ T10] ___sys_sendmsg+0xee/0x170 [ 990.367262][ T10] __sys_sendmsg+0xcd/0x170 [ 990.367262][ T10] do_syscall_64+0xc6/0x1e0 [ 990.367262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.367262][ T10] [ 990.369273][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 990.369538][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 990.369538][ T10] netdev_get_by_index+0x5e/0x80 [ 990.369538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 990.369538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 990.369538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 990.369538][ T10] ipv6_add_addr+0x411/0x2000 [ 990.369538][ T10] inet6_addr_add+0x30e/0xa40 [ 990.369538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 990.369538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.369538][ T10] netlink_rcv_skb+0x130/0x360 [ 990.369538][ T10] netlink_unicast+0x449/0x710 [ 990.369538][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.369538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.369538][ T10] ___sys_sendmsg+0xee/0x170 [ 990.369538][ T10] __sys_sendmsg+0xcd/0x170 [ 990.369538][ T10] do_syscall_64+0xc6/0x1e0 [ 990.369538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.369538][ T10] [ 990.371530][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 990.371530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 990.371530][ T10] ipv6_find_idev+0x102/0x170 [ 990.371530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.371530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.371530][ T10] netlink_rcv_skb+0x130/0x360 [ 990.371530][ T10] netlink_unicast+0x449/0x710 [ 990.371530][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.371530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.371530][ T10] ___sys_sendmsg+0xee/0x170 [ 990.371530][ T10] __sys_sendmsg+0xcd/0x170 [ 990.371530][ T10] do_syscall_64+0xc6/0x1e0 [ 990.371530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.371530][ T10] [ 990.373074][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 990.373074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 990.373074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 990.373074][ T10] ipv6_find_idev+0x102/0x170 [ 990.373074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 990.373074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 990.373074][ T10] netlink_rcv_skb+0x130/0x360 [ 990.373074][ T10] netlink_unicast+0x449/0x710 [ 990.373074][ T10] netlink_sendmsg+0x723/0xbe0 [ 990.373074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 990.373074][ T10] ___sys_sendmsg+0xee/0x170 [ 990.373074][ T10] __sys_sendmsg+0xcd/0x170 [ 990.373074][ T10] do_syscall_64+0xc6/0x1e0 [ 990.373074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 990.373074][ T10] [ 998.558076][ T4043] ip (4043) used greatest stack depth: 24080 bytes left [ 1000.504117][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1000.504439][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1000.504439][ T10] netdev_get_by_index+0x5e/0x80 [ 1000.504439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1000.504439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1000.504439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1000.504439][ T10] ipv6_add_addr+0x411/0x2000 [ 1000.504439][ T10] inet6_addr_add+0x30e/0xa40 [ 1000.504439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1000.504439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.504439][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.504439][ T10] netlink_unicast+0x449/0x710 [ 1000.504439][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.504439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.504439][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.504439][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.504439][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.504439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.504439][ T10] [ 1000.506400][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1000.506400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1000.506400][ T10] ipv6_find_idev+0x102/0x170 [ 1000.506400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.506400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.506400][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.506400][ T10] netlink_unicast+0x449/0x710 [ 1000.506400][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.506400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.506400][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.506400][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.506400][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.506400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.506400][ T10] [ 1000.507925][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1000.507925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1000.507925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1000.507925][ T10] ipv6_find_idev+0x102/0x170 [ 1000.507925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.507925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.507925][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.507925][ T10] netlink_unicast+0x449/0x710 [ 1000.507925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.507925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.507925][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.507925][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.507925][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.507925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.507925][ T10] [ 1000.509617][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1000.509901][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1000.509901][ T10] netdev_get_by_index+0x5e/0x80 [ 1000.509901][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1000.509901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1000.509901][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1000.509901][ T10] ipv6_add_addr+0x411/0x2000 [ 1000.509901][ T10] inet6_addr_add+0x30e/0xa40 [ 1000.509901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1000.509901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.509901][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.509901][ T10] netlink_unicast+0x449/0x710 [ 1000.509901][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.509901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.509901][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.509901][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.509901][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.509901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.509901][ T10] [ 1000.511865][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1000.511865][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1000.511865][ T10] ipv6_find_idev+0x102/0x170 [ 1000.511865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.511865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.511865][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.511865][ T10] netlink_unicast+0x449/0x710 [ 1000.511865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.511865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.511865][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.511865][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.511865][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.511865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.511865][ T10] [ 1000.513337][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1000.513337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1000.513337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1000.513337][ T10] ipv6_find_idev+0x102/0x170 [ 1000.513337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.513337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.513337][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.513337][ T10] netlink_unicast+0x449/0x710 [ 1000.513337][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.513337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.513337][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.513337][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.513337][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.513337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.513337][ T10] [ 1000.514964][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1000.515330][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1000.515330][ T10] netdev_get_by_index+0x5e/0x80 [ 1000.515330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1000.515330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1000.515330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1000.515330][ T10] ipv6_add_addr+0x411/0x2000 [ 1000.515330][ T10] inet6_addr_add+0x30e/0xa40 [ 1000.515330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1000.515330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.515330][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.515330][ T10] netlink_unicast+0x449/0x710 [ 1000.515330][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.515330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.515330][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.515330][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.515330][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.515330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.515330][ T10] [ 1000.517256][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1000.517256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1000.517256][ T10] ipv6_find_idev+0x102/0x170 [ 1000.517256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.517256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.517256][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.517256][ T10] netlink_unicast+0x449/0x710 [ 1000.517256][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.517256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.517256][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.517256][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.517256][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.517256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.517256][ T10] [ 1000.518779][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1000.518779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1000.518779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1000.518779][ T10] ipv6_find_idev+0x102/0x170 [ 1000.518779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.518779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.518779][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.518779][ T10] netlink_unicast+0x449/0x710 [ 1000.518779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.518779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.518779][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.518779][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.518779][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.518779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.518779][ T10] [ 1000.520485][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1000.520753][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1000.520753][ T10] netdev_get_by_index+0x5e/0x80 [ 1000.520753][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1000.520753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1000.520753][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1000.520753][ T10] ipv6_add_addr+0x411/0x2000 [ 1000.520753][ T10] inet6_addr_add+0x30e/0xa40 [ 1000.520753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1000.520753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.520753][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.520753][ T10] netlink_unicast+0x449/0x710 [ 1000.520753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.520753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.520753][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.520753][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.520753][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.520753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.520753][ T10] [ 1000.522700][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1000.522700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1000.522700][ T10] ipv6_find_idev+0x102/0x170 [ 1000.522700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.522700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.522700][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.522700][ T10] netlink_unicast+0x449/0x710 [ 1000.522700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.522700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.522700][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.522700][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.522700][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.522700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.522700][ T10] [ 1000.524171][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1000.524171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1000.524171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1000.524171][ T10] ipv6_find_idev+0x102/0x170 [ 1000.524171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.524171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.524171][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.524171][ T10] netlink_unicast+0x449/0x710 [ 1000.524171][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.524171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.524171][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.524171][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.524171][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.524171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.524171][ T10] [ 1000.525796][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1000.526084][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1000.526084][ T10] netdev_get_by_index+0x5e/0x80 [ 1000.526084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1000.526084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1000.526084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1000.526084][ T10] ipv6_add_addr+0x411/0x2000 [ 1000.526084][ T10] inet6_addr_add+0x30e/0xa40 [ 1000.526084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1000.526084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.526084][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.526084][ T10] netlink_unicast+0x449/0x710 [ 1000.526084][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.526084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.526084][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.526084][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.526084][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.526084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.526084][ T10] [ 1000.528018][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1000.528018][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1000.528018][ T10] ipv6_find_idev+0x102/0x170 [ 1000.528018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.528018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.528018][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.528018][ T10] netlink_unicast+0x449/0x710 [ 1000.528018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.528018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.528018][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.528018][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.528018][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.528018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.528018][ T10] [ 1000.529622][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1000.529622][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1000.529622][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1000.529622][ T10] ipv6_find_idev+0x102/0x170 [ 1000.529622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.529622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.529622][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.529622][ T10] netlink_unicast+0x449/0x710 [ 1000.529622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.529622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.529622][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.529622][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.529622][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.529622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.529622][ T10] [ 1000.531967][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1000.532658][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1000.532658][ T10] netdev_get_by_index+0x5e/0x80 [ 1000.532658][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1000.532658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1000.532658][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1000.532658][ T10] ipv6_add_addr+0x411/0x2000 [ 1000.532658][ T10] inet6_addr_add+0x30e/0xa40 [ 1000.532658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1000.532658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.532658][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.532658][ T10] netlink_unicast+0x449/0x710 [ 1000.532658][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.532658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.532658][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.532658][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.532658][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.532658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.532658][ T10] [ 1000.534653][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1000.534653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1000.534653][ T10] ipv6_find_idev+0x102/0x170 [ 1000.534653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.534653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.534653][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.534653][ T10] netlink_unicast+0x449/0x710 [ 1000.534653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.534653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.534653][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.534653][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.534653][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.534653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.534653][ T10] [ 1000.536145][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1000.536145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1000.536145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1000.536145][ T10] ipv6_find_idev+0x102/0x170 [ 1000.536145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.536145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.536145][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.536145][ T10] netlink_unicast+0x449/0x710 [ 1000.536145][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.536145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.536145][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.536145][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.536145][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.536145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.536145][ T10] [ 1000.537777][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1000.538052][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1000.538052][ T10] netdev_get_by_index+0x5e/0x80 [ 1000.538052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1000.538052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1000.538052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1000.538052][ T10] ipv6_add_addr+0x411/0x2000 [ 1000.538052][ T10] inet6_addr_add+0x30e/0xa40 [ 1000.538052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1000.538052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.538052][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.538052][ T10] netlink_unicast+0x449/0x710 [ 1000.538052][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.538052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.538052][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.538052][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.538052][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.538052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.538052][ T10] [ 1000.540143][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1000.540143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1000.540143][ T10] ipv6_find_idev+0x102/0x170 [ 1000.540143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.540143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.540143][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.540143][ T10] netlink_unicast+0x449/0x710 [ 1000.540143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.540143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.540143][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.540143][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.540143][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.540143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.540143][ T10] [ 1000.541821][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1000.541821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1000.541821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1000.541821][ T10] ipv6_find_idev+0x102/0x170 [ 1000.541821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.541821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.541821][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.541821][ T10] netlink_unicast+0x449/0x710 [ 1000.541821][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.541821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.541821][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.541821][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.541821][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.541821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.541821][ T10] [ 1000.543710][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1000.543984][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1000.543984][ T10] netdev_get_by_index+0x5e/0x80 [ 1000.543984][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1000.543984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1000.543984][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1000.543984][ T10] ipv6_add_addr+0x411/0x2000 [ 1000.543984][ T10] inet6_addr_add+0x30e/0xa40 [ 1000.543984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1000.543984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.543984][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.543984][ T10] netlink_unicast+0x449/0x710 [ 1000.543984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.543984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.543984][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.543984][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.543984][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.543984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.543984][ T10] [ 1000.546039][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1000.546039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1000.546039][ T10] ipv6_find_idev+0x102/0x170 [ 1000.546039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.546039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.546039][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.546039][ T10] netlink_unicast+0x449/0x710 [ 1000.546039][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.546039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.546039][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.546039][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.546039][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.546039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.546039][ T10] [ 1000.547638][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1000.547638][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1000.547638][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1000.547638][ T10] ipv6_find_idev+0x102/0x170 [ 1000.547638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1000.547638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1000.547638][ T10] netlink_rcv_skb+0x130/0x360 [ 1000.547638][ T10] netlink_unicast+0x449/0x710 [ 1000.547638][ T10] netlink_sendmsg+0x723/0xbe0 [ 1000.547638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1000.547638][ T10] ___sys_sendmsg+0xee/0x170 [ 1000.547638][ T10] __sys_sendmsg+0xcd/0x170 [ 1000.547638][ T10] do_syscall_64+0xc6/0x1e0 [ 1000.547638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1000.547638][ T10] [ 1010.712126][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1010.712460][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1010.712460][ T10] netdev_get_by_index+0x5e/0x80 [ 1010.712460][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1010.712460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1010.712460][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1010.712460][ T10] ipv6_add_addr+0x411/0x2000 [ 1010.712460][ T10] inet6_addr_add+0x30e/0xa40 [ 1010.712460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1010.712460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.712460][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.712460][ T10] netlink_unicast+0x449/0x710 [ 1010.712460][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.712460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.712460][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.712460][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.712460][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.712460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.712460][ T10] [ 1010.714441][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1010.714441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1010.714441][ T10] ipv6_find_idev+0x102/0x170 [ 1010.714441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.714441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.714441][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.714441][ T10] netlink_unicast+0x449/0x710 [ 1010.714441][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.714441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.714441][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.714441][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.714441][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.714441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.714441][ T10] [ 1010.715950][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1010.715950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1010.715950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1010.715950][ T10] ipv6_find_idev+0x102/0x170 [ 1010.715950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.715950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.715950][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.715950][ T10] netlink_unicast+0x449/0x710 [ 1010.715950][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.715950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.715950][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.715950][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.715950][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.715950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.715950][ T10] [ 1010.717626][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1010.717895][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1010.717895][ T10] netdev_get_by_index+0x5e/0x80 [ 1010.717895][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1010.717895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1010.717895][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1010.717895][ T10] ipv6_add_addr+0x411/0x2000 [ 1010.717895][ T10] inet6_addr_add+0x30e/0xa40 [ 1010.717895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1010.717895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.717895][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.717895][ T10] netlink_unicast+0x449/0x710 [ 1010.717895][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.717895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.717895][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.717895][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.717895][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.717895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.717895][ T10] [ 1010.719852][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1010.719852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1010.719852][ T10] ipv6_find_idev+0x102/0x170 [ 1010.719852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.719852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.719852][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.719852][ T10] netlink_unicast+0x449/0x710 [ 1010.719852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.719852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.719852][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.719852][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.719852][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.719852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.719852][ T10] [ 1010.721398][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1010.721398][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1010.721398][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1010.721398][ T10] ipv6_find_idev+0x102/0x170 [ 1010.721398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.721398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.721398][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.721398][ T10] netlink_unicast+0x449/0x710 [ 1010.721398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.721398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.721398][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.721398][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.721398][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.721398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.721398][ T10] [ 1010.723064][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1010.723417][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1010.723417][ T10] netdev_get_by_index+0x5e/0x80 [ 1010.723417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1010.723417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1010.723417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1010.723417][ T10] ipv6_add_addr+0x411/0x2000 [ 1010.723417][ T10] inet6_addr_add+0x30e/0xa40 [ 1010.723417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1010.723417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.723417][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.723417][ T10] netlink_unicast+0x449/0x710 [ 1010.723417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.723417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.723417][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.723417][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.723417][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.723417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.723417][ T10] [ 1010.725371][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1010.725371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1010.725371][ T10] ipv6_find_idev+0x102/0x170 [ 1010.725371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.725371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.725371][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.725371][ T10] netlink_unicast+0x449/0x710 [ 1010.725371][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.725371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.725371][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.725371][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.725371][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.725371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.725371][ T10] [ 1010.726838][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1010.726838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1010.726838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1010.726838][ T10] ipv6_find_idev+0x102/0x170 [ 1010.726838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.726838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.726838][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.726838][ T10] netlink_unicast+0x449/0x710 [ 1010.726838][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.726838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.726838][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.726838][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.726838][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.726838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.726838][ T10] [ 1010.728455][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1010.728709][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1010.728709][ T10] netdev_get_by_index+0x5e/0x80 [ 1010.728709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1010.728709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1010.728709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1010.728709][ T10] ipv6_add_addr+0x411/0x2000 [ 1010.728709][ T10] inet6_addr_add+0x30e/0xa40 [ 1010.728709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1010.728709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.728709][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.728709][ T10] netlink_unicast+0x449/0x710 [ 1010.728709][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.728709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.728709][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.728709][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.728709][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.728709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.728709][ T10] [ 1010.730705][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1010.730705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1010.730705][ T10] ipv6_find_idev+0x102/0x170 [ 1010.730705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.730705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.730705][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.730705][ T10] netlink_unicast+0x449/0x710 [ 1010.730705][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.730705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.730705][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.730705][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.730705][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.730705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.730705][ T10] [ 1010.732202][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1010.732202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1010.732202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1010.732202][ T10] ipv6_find_idev+0x102/0x170 [ 1010.732202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.732202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.732202][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.732202][ T10] netlink_unicast+0x449/0x710 [ 1010.732202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.732202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.732202][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.732202][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.732202][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.732202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.732202][ T10] [ 1010.733924][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1010.734694][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1010.734694][ T10] netdev_get_by_index+0x5e/0x80 [ 1010.734694][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1010.734694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1010.734694][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1010.734694][ T10] ipv6_add_addr+0x411/0x2000 [ 1010.734694][ T10] inet6_addr_add+0x30e/0xa40 [ 1010.734694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1010.734694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.734694][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.734694][ T10] netlink_unicast+0x449/0x710 [ 1010.734694][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.734694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.734694][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.734694][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.734694][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.734694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.734694][ T10] [ 1010.736659][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1010.736659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1010.736659][ T10] ipv6_find_idev+0x102/0x170 [ 1010.736659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.736659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.736659][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.736659][ T10] netlink_unicast+0x449/0x710 [ 1010.736659][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.736659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.736659][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.736659][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.736659][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.736659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.736659][ T10] [ 1010.738133][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1010.738133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1010.738133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1010.738133][ T10] ipv6_find_idev+0x102/0x170 [ 1010.738133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.738133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.738133][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.738133][ T10] netlink_unicast+0x449/0x710 [ 1010.738133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.738133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.738133][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.738133][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.738133][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.738133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.738133][ T10] [ 1010.739847][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1010.740115][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1010.740115][ T10] netdev_get_by_index+0x5e/0x80 [ 1010.740115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1010.740115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1010.740115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1010.740115][ T10] ipv6_add_addr+0x411/0x2000 [ 1010.740115][ T10] inet6_addr_add+0x30e/0xa40 [ 1010.740115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1010.740115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.740115][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.740115][ T10] netlink_unicast+0x449/0x710 [ 1010.740115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.740115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.740115][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.740115][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.740115][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.740115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.740115][ T10] [ 1010.742104][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1010.742104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1010.742104][ T10] ipv6_find_idev+0x102/0x170 [ 1010.742104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.742104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.742104][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.742104][ T10] netlink_unicast+0x449/0x710 [ 1010.742104][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.742104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.742104][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.742104][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.742104][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.742104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.742104][ T10] [ 1010.743808][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1010.743808][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1010.743808][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1010.743808][ T10] ipv6_find_idev+0x102/0x170 [ 1010.743808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.743808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.743808][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.743808][ T10] netlink_unicast+0x449/0x710 [ 1010.743808][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.743808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.743808][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.743808][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.743808][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.743808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.743808][ T10] [ 1010.745727][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1010.745988][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1010.745988][ T10] netdev_get_by_index+0x5e/0x80 [ 1010.745988][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1010.745988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1010.745988][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1010.745988][ T10] ipv6_add_addr+0x411/0x2000 [ 1010.745988][ T10] inet6_addr_add+0x30e/0xa40 [ 1010.745988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1010.745988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.745988][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.745988][ T10] netlink_unicast+0x449/0x710 [ 1010.745988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.745988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.745988][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.745988][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.745988][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.745988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.745988][ T10] [ 1010.748041][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1010.748041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1010.748041][ T10] ipv6_find_idev+0x102/0x170 [ 1010.748041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.748041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.748041][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.748041][ T10] netlink_unicast+0x449/0x710 [ 1010.748041][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.748041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.748041][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.748041][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.748041][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.748041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.748041][ T10] [ 1010.749765][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1010.749765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1010.749765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1010.749765][ T10] ipv6_find_idev+0x102/0x170 [ 1010.749765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.749765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.749765][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.749765][ T10] netlink_unicast+0x449/0x710 [ 1010.749765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.749765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.749765][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.749765][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.749765][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.749765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.749765][ T10] [ 1010.751712][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1010.751977][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1010.751977][ T10] netdev_get_by_index+0x5e/0x80 [ 1010.751977][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1010.751977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1010.751977][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1010.751977][ T10] ipv6_add_addr+0x411/0x2000 [ 1010.751977][ T10] inet6_addr_add+0x30e/0xa40 [ 1010.751977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1010.751977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.751977][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.751977][ T10] netlink_unicast+0x449/0x710 [ 1010.751977][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.751977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.751977][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.751977][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.751977][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.751977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.751977][ T10] [ 1010.754060][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1010.754060][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1010.754060][ T10] ipv6_find_idev+0x102/0x170 [ 1010.754060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.754060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.754060][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.754060][ T10] netlink_unicast+0x449/0x710 [ 1010.754060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.754060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.754060][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.754060][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.754060][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.754060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.754060][ T10] [ 1010.755691][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1010.755691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1010.755691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1010.755691][ T10] ipv6_find_idev+0x102/0x170 [ 1010.755691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1010.755691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1010.755691][ T10] netlink_rcv_skb+0x130/0x360 [ 1010.755691][ T10] netlink_unicast+0x449/0x710 [ 1010.755691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1010.755691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1010.755691][ T10] ___sys_sendmsg+0xee/0x170 [ 1010.755691][ T10] __sys_sendmsg+0xcd/0x170 [ 1010.755691][ T10] do_syscall_64+0xc6/0x1e0 [ 1010.755691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1010.755691][ T10] [ 1020.880145][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1020.880472][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1020.880472][ T10] netdev_get_by_index+0x5e/0x80 [ 1020.880472][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1020.880472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1020.880472][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1020.880472][ T10] ipv6_add_addr+0x411/0x2000 [ 1020.880472][ T10] inet6_addr_add+0x30e/0xa40 [ 1020.880472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1020.880472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.880472][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.880472][ T10] netlink_unicast+0x449/0x710 [ 1020.880472][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.880472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.880472][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.880472][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.880472][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.880472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.880472][ T10] [ 1020.882491][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1020.882491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1020.882491][ T10] ipv6_find_idev+0x102/0x170 [ 1020.882491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.882491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.882491][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.882491][ T10] netlink_unicast+0x449/0x710 [ 1020.882491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.882491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.882491][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.882491][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.882491][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.882491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.882491][ T10] [ 1020.884042][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1020.884042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1020.884042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1020.884042][ T10] ipv6_find_idev+0x102/0x170 [ 1020.884042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.884042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.884042][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.884042][ T10] netlink_unicast+0x449/0x710 [ 1020.884042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.884042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.884042][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.884042][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.884042][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.884042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.884042][ T10] [ 1020.885712][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1020.885973][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1020.885973][ T10] netdev_get_by_index+0x5e/0x80 [ 1020.885973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1020.885973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1020.885973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1020.885973][ T10] ipv6_add_addr+0x411/0x2000 [ 1020.885973][ T10] inet6_addr_add+0x30e/0xa40 [ 1020.885973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1020.885973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.885973][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.885973][ T10] netlink_unicast+0x449/0x710 [ 1020.885973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.885973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.885973][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.885973][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.885973][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.885973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.885973][ T10] [ 1020.887925][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1020.887925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1020.887925][ T10] ipv6_find_idev+0x102/0x170 [ 1020.887925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.887925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.887925][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.887925][ T10] netlink_unicast+0x449/0x710 [ 1020.887925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.887925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.887925][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.887925][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.887925][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.887925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.887925][ T10] [ 1020.889458][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1020.889458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1020.889458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1020.889458][ T10] ipv6_find_idev+0x102/0x170 [ 1020.889458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.889458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.889458][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.889458][ T10] netlink_unicast+0x449/0x710 [ 1020.889458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.889458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.889458][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.889458][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.889458][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.889458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.889458][ T10] [ 1020.891116][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1020.891382][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1020.891382][ T10] netdev_get_by_index+0x5e/0x80 [ 1020.891382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1020.891382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1020.891382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1020.891382][ T10] ipv6_add_addr+0x411/0x2000 [ 1020.891382][ T10] inet6_addr_add+0x30e/0xa40 [ 1020.891382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1020.891382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.891382][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.891382][ T10] netlink_unicast+0x449/0x710 [ 1020.891382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.891382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.891382][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.891382][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.891382][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.891382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.891382][ T10] [ 1020.893492][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1020.893492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1020.893492][ T10] ipv6_find_idev+0x102/0x170 [ 1020.893492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.893492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.893492][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.893492][ T10] netlink_unicast+0x449/0x710 [ 1020.893492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.893492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.893492][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.893492][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.893492][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.893492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.893492][ T10] [ 1020.895153][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1020.895153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1020.895153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1020.895153][ T10] ipv6_find_idev+0x102/0x170 [ 1020.895153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.895153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.895153][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.895153][ T10] netlink_unicast+0x449/0x710 [ 1020.895153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.895153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.895153][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.895153][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.895153][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.895153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.895153][ T10] [ 1020.896986][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1020.897690][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1020.897690][ T10] netdev_get_by_index+0x5e/0x80 [ 1020.897690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1020.897690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1020.897690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1020.897690][ T10] ipv6_add_addr+0x411/0x2000 [ 1020.897690][ T10] inet6_addr_add+0x30e/0xa40 [ 1020.897690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1020.897690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.897690][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.897690][ T10] netlink_unicast+0x449/0x710 [ 1020.897690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.897690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.897690][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.897690][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.897690][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.897690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.897690][ T10] [ 1020.899654][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1020.899654][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1020.899654][ T10] ipv6_find_idev+0x102/0x170 [ 1020.899654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.899654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.899654][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.899654][ T10] netlink_unicast+0x449/0x710 [ 1020.899654][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.899654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.899654][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.899654][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.899654][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.899654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.899654][ T10] [ 1020.901251][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1020.901251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1020.901251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1020.901251][ T10] ipv6_find_idev+0x102/0x170 [ 1020.901251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.901251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.901251][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.901251][ T10] netlink_unicast+0x449/0x710 [ 1020.901251][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.901251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.901251][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.901251][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.901251][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.901251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.901251][ T10] [ 1020.903105][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1020.903372][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1020.903372][ T10] netdev_get_by_index+0x5e/0x80 [ 1020.903372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1020.903372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1020.903372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1020.903372][ T10] ipv6_add_addr+0x411/0x2000 [ 1020.903372][ T10] inet6_addr_add+0x30e/0xa40 [ 1020.903372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1020.903372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.903372][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.903372][ T10] netlink_unicast+0x449/0x710 [ 1020.903372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.903372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.903372][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.903372][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.903372][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.903372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.903372][ T10] [ 1020.905368][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1020.905368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1020.905368][ T10] ipv6_find_idev+0x102/0x170 [ 1020.905368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.905368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.905368][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.905368][ T10] netlink_unicast+0x449/0x710 [ 1020.905368][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.905368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.905368][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.905368][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.905368][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.905368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.905368][ T10] [ 1020.906907][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1020.906907][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1020.906907][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1020.906907][ T10] ipv6_find_idev+0x102/0x170 [ 1020.906907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.906907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.906907][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.906907][ T10] netlink_unicast+0x449/0x710 [ 1020.906907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.906907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.906907][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.906907][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.906907][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.906907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.906907][ T10] [ 1020.908613][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1020.908879][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1020.908879][ T10] netdev_get_by_index+0x5e/0x80 [ 1020.908879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1020.908879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1020.908879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1020.908879][ T10] ipv6_add_addr+0x411/0x2000 [ 1020.908879][ T10] inet6_addr_add+0x30e/0xa40 [ 1020.908879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1020.908879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.908879][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.908879][ T10] netlink_unicast+0x449/0x710 [ 1020.908879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.908879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.908879][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.908879][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.908879][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.908879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.908879][ T10] [ 1020.910939][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1020.910939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1020.910939][ T10] ipv6_find_idev+0x102/0x170 [ 1020.910939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.910939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.910939][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.910939][ T10] netlink_unicast+0x449/0x710 [ 1020.910939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.910939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.910939][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.910939][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.910939][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.910939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.910939][ T10] [ 1020.912679][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1020.912679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1020.912679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1020.912679][ T10] ipv6_find_idev+0x102/0x170 [ 1020.912679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.912679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.912679][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.912679][ T10] netlink_unicast+0x449/0x710 [ 1020.912679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.912679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.912679][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.912679][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.912679][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.912679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.912679][ T10] [ 1020.914512][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1020.914778][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1020.914778][ T10] netdev_get_by_index+0x5e/0x80 [ 1020.914778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1020.914778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1020.914778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1020.914778][ T10] ipv6_add_addr+0x411/0x2000 [ 1020.914778][ T10] inet6_addr_add+0x30e/0xa40 [ 1020.914778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1020.914778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.914778][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.914778][ T10] netlink_unicast+0x449/0x710 [ 1020.914778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.914778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.914778][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.914778][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.914778][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.914778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.914778][ T10] [ 1020.916732][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1020.916732][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1020.916732][ T10] ipv6_find_idev+0x102/0x170 [ 1020.916732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.916732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.916732][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.916732][ T10] netlink_unicast+0x449/0x710 [ 1020.916732][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.916732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.916732][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.916732][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.916732][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.916732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.916732][ T10] [ 1020.918376][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1020.918376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1020.918376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1020.918376][ T10] ipv6_find_idev+0x102/0x170 [ 1020.918376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.918376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.918376][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.918376][ T10] netlink_unicast+0x449/0x710 [ 1020.918376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.918376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.918376][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.918376][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.918376][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.918376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.918376][ T10] [ 1020.920198][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1020.920457][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1020.920457][ T10] netdev_get_by_index+0x5e/0x80 [ 1020.920457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1020.920457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1020.920457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1020.920457][ T10] ipv6_add_addr+0x411/0x2000 [ 1020.920457][ T10] inet6_addr_add+0x30e/0xa40 [ 1020.920457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1020.920457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.920457][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.920457][ T10] netlink_unicast+0x449/0x710 [ 1020.920457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.920457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.920457][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.920457][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.920457][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.920457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.920457][ T10] [ 1020.922550][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1020.922550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1020.922550][ T10] ipv6_find_idev+0x102/0x170 [ 1020.922550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.922550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.922550][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.922550][ T10] netlink_unicast+0x449/0x710 [ 1020.922550][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.922550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.922550][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.922550][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.922550][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.922550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.922550][ T10] [ 1020.924285][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1020.924285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1020.924285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1020.924285][ T10] ipv6_find_idev+0x102/0x170 [ 1020.924285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1020.924285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1020.924285][ T10] netlink_rcv_skb+0x130/0x360 [ 1020.924285][ T10] netlink_unicast+0x449/0x710 [ 1020.924285][ T10] netlink_sendmsg+0x723/0xbe0 [ 1020.924285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1020.924285][ T10] ___sys_sendmsg+0xee/0x170 [ 1020.924285][ T10] __sys_sendmsg+0xcd/0x170 [ 1020.924285][ T10] do_syscall_64+0xc6/0x1e0 [ 1020.924285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1020.924285][ T10] [ 1031.072142][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1031.072475][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1031.072475][ T10] netdev_get_by_index+0x5e/0x80 [ 1031.072475][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1031.072475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1031.072475][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1031.072475][ T10] ipv6_add_addr+0x411/0x2000 [ 1031.072475][ T10] inet6_addr_add+0x30e/0xa40 [ 1031.072475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1031.072475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.072475][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.072475][ T10] netlink_unicast+0x449/0x710 [ 1031.072475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.072475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.072475][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.072475][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.072475][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.072475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.072475][ T10] [ 1031.074504][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1031.074504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1031.074504][ T10] ipv6_find_idev+0x102/0x170 [ 1031.074504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.074504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.074504][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.074504][ T10] netlink_unicast+0x449/0x710 [ 1031.074504][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.074504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.074504][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.074504][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.074504][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.074504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.074504][ T10] [ 1031.076050][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1031.076050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1031.076050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1031.076050][ T10] ipv6_find_idev+0x102/0x170 [ 1031.076050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.076050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.076050][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.076050][ T10] netlink_unicast+0x449/0x710 [ 1031.076050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.076050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.076050][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.076050][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.076050][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.076050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.076050][ T10] [ 1031.077779][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1031.078050][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1031.078050][ T10] netdev_get_by_index+0x5e/0x80 [ 1031.078050][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1031.078050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1031.078050][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1031.078050][ T10] ipv6_add_addr+0x411/0x2000 [ 1031.078050][ T10] inet6_addr_add+0x30e/0xa40 [ 1031.078050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1031.078050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.078050][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.078050][ T10] netlink_unicast+0x449/0x710 [ 1031.078050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.078050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.078050][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.078050][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.078050][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.078050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.078050][ T10] [ 1031.080065][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1031.080065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1031.080065][ T10] ipv6_find_idev+0x102/0x170 [ 1031.080065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.080065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.080065][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.080065][ T10] netlink_unicast+0x449/0x710 [ 1031.080065][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.080065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.080065][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.080065][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.080065][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.080065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.080065][ T10] [ 1031.081626][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1031.081626][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1031.081626][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1031.081626][ T10] ipv6_find_idev+0x102/0x170 [ 1031.081626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.081626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.081626][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.081626][ T10] netlink_unicast+0x449/0x710 [ 1031.081626][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.081626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.081626][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.081626][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.081626][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.081626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.081626][ T10] [ 1031.083350][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1031.083623][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1031.083623][ T10] netdev_get_by_index+0x5e/0x80 [ 1031.083623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1031.083623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1031.083623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1031.083623][ T10] ipv6_add_addr+0x411/0x2000 [ 1031.083623][ T10] inet6_addr_add+0x30e/0xa40 [ 1031.083623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1031.083623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.083623][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.083623][ T10] netlink_unicast+0x449/0x710 [ 1031.083623][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.083623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.083623][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.083623][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.083623][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.083623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.083623][ T10] [ 1031.085643][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1031.085643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1031.085643][ T10] ipv6_find_idev+0x102/0x170 [ 1031.085643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.085643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.085643][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.085643][ T10] netlink_unicast+0x449/0x710 [ 1031.085643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.085643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.085643][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.085643][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.085643][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.085643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.085643][ T10] [ 1031.087193][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1031.087193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1031.087193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1031.087193][ T10] ipv6_find_idev+0x102/0x170 [ 1031.087193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.087193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.087193][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.087193][ T10] netlink_unicast+0x449/0x710 [ 1031.087193][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.087193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.087193][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.087193][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.087193][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.087193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.087193][ T10] [ 1031.088944][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1031.089283][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1031.089283][ T10] netdev_get_by_index+0x5e/0x80 [ 1031.089283][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1031.089283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1031.089283][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1031.089283][ T10] ipv6_add_addr+0x411/0x2000 [ 1031.089283][ T10] inet6_addr_add+0x30e/0xa40 [ 1031.089283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1031.089283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.089283][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.089283][ T10] netlink_unicast+0x449/0x710 [ 1031.089283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.089283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.089283][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.089283][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.089283][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.089283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.089283][ T10] [ 1031.091427][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1031.091427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1031.091427][ T10] ipv6_find_idev+0x102/0x170 [ 1031.091427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.091427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.091427][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.091427][ T10] netlink_unicast+0x449/0x710 [ 1031.091427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.091427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.091427][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.091427][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.091427][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.091427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.091427][ T10] [ 1031.092960][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1031.092960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1031.092960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1031.092960][ T10] ipv6_find_idev+0x102/0x170 [ 1031.092960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.092960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.092960][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.092960][ T10] netlink_unicast+0x449/0x710 [ 1031.092960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.092960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.092960][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.092960][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.092960][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.092960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.092960][ T10] [ 1031.094679][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1031.094988][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1031.094988][ T10] netdev_get_by_index+0x5e/0x80 [ 1031.094988][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1031.094988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1031.094988][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1031.094988][ T10] ipv6_add_addr+0x411/0x2000 [ 1031.094988][ T10] inet6_addr_add+0x30e/0xa40 [ 1031.094988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1031.094988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.094988][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.094988][ T10] netlink_unicast+0x449/0x710 [ 1031.094988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.094988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.094988][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.094988][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.094988][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.094988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.094988][ T10] [ 1031.097002][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1031.097002][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1031.097002][ T10] ipv6_find_idev+0x102/0x170 [ 1031.097002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.097002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.097002][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.097002][ T10] netlink_unicast+0x449/0x710 [ 1031.097002][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.097002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.097002][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.097002][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.097002][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.097002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.097002][ T10] [ 1031.098679][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1031.098679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1031.098679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1031.098679][ T10] ipv6_find_idev+0x102/0x170 [ 1031.098679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.098679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.098679][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.098679][ T10] netlink_unicast+0x449/0x710 [ 1031.098679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.098679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.098679][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.098679][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.098679][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.098679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.098679][ T10] [ 1031.100551][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1031.100936][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1031.100936][ T10] netdev_get_by_index+0x5e/0x80 [ 1031.100936][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1031.100936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1031.100936][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1031.100936][ T10] ipv6_add_addr+0x411/0x2000 [ 1031.100936][ T10] inet6_addr_add+0x30e/0xa40 [ 1031.100936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1031.100936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.100936][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.100936][ T10] netlink_unicast+0x449/0x710 [ 1031.100936][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.100936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.100936][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.100936][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.100936][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.100936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.100936][ T10] [ 1031.103154][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1031.103154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1031.103154][ T10] ipv6_find_idev+0x102/0x170 [ 1031.103154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.103154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.103154][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.103154][ T10] netlink_unicast+0x449/0x710 [ 1031.103154][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.103154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.103154][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.103154][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.103154][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.103154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.103154][ T10] [ 1031.104968][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1031.104968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1031.104968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1031.104968][ T10] ipv6_find_idev+0x102/0x170 [ 1031.104968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.104968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.104968][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.104968][ T10] netlink_unicast+0x449/0x710 [ 1031.104968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.104968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.104968][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.104968][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.104968][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.104968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.104968][ T10] [ 1031.106822][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1031.107221][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1031.107221][ T10] netdev_get_by_index+0x5e/0x80 [ 1031.107221][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1031.107221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1031.107221][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1031.107221][ T10] ipv6_add_addr+0x411/0x2000 [ 1031.107221][ T10] inet6_addr_add+0x30e/0xa40 [ 1031.107221][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1031.107221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.107221][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.107221][ T10] netlink_unicast+0x449/0x710 [ 1031.107221][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.107221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.107221][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.107221][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.107221][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.107221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.107221][ T10] [ 1031.109345][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1031.109345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1031.109345][ T10] ipv6_find_idev+0x102/0x170 [ 1031.109345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.109345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.109345][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.109345][ T10] netlink_unicast+0x449/0x710 [ 1031.109345][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.109345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.109345][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.109345][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.109345][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.109345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.109345][ T10] [ 1031.110899][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1031.110899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1031.110899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1031.110899][ T10] ipv6_find_idev+0x102/0x170 [ 1031.110899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.110899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.110899][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.110899][ T10] netlink_unicast+0x449/0x710 [ 1031.110899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.110899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.110899][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.110899][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.110899][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.110899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.110899][ T10] [ 1031.112821][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1031.113132][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1031.113132][ T10] netdev_get_by_index+0x5e/0x80 [ 1031.113132][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1031.113132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1031.113132][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1031.113132][ T10] ipv6_add_addr+0x411/0x2000 [ 1031.113132][ T10] inet6_addr_add+0x30e/0xa40 [ 1031.113132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1031.113132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.113132][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.113132][ T10] netlink_unicast+0x449/0x710 [ 1031.113132][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.113132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.113132][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.113132][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.113132][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.113132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.113132][ T10] [ 1031.115275][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1031.115275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1031.115275][ T10] ipv6_find_idev+0x102/0x170 [ 1031.115275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.115275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.115275][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.115275][ T10] netlink_unicast+0x449/0x710 [ 1031.115275][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.115275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.115275][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.115275][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.115275][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.115275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.115275][ T10] [ 1031.116827][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1031.116827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1031.116827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1031.116827][ T10] ipv6_find_idev+0x102/0x170 [ 1031.116827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1031.116827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1031.116827][ T10] netlink_rcv_skb+0x130/0x360 [ 1031.116827][ T10] netlink_unicast+0x449/0x710 [ 1031.116827][ T10] netlink_sendmsg+0x723/0xbe0 [ 1031.116827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1031.116827][ T10] ___sys_sendmsg+0xee/0x170 [ 1031.116827][ T10] __sys_sendmsg+0xcd/0x170 [ 1031.116827][ T10] do_syscall_64+0xc6/0x1e0 [ 1031.116827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1031.116827][ T10] [ 1041.233115][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1041.233455][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1041.233455][ T10] netdev_get_by_index+0x5e/0x80 [ 1041.233455][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1041.233455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1041.233455][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1041.233455][ T10] ipv6_add_addr+0x411/0x2000 [ 1041.233455][ T10] inet6_addr_add+0x30e/0xa40 [ 1041.233455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1041.233455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.233455][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.233455][ T10] netlink_unicast+0x449/0x710 [ 1041.233455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.233455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.233455][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.233455][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.233455][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.233455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.233455][ T10] [ 1041.235485][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1041.235485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1041.235485][ T10] ipv6_find_idev+0x102/0x170 [ 1041.235485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.235485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.235485][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.235485][ T10] netlink_unicast+0x449/0x710 [ 1041.235485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.235485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.235485][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.235485][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.235485][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.235485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.235485][ T10] [ 1041.237019][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1041.237019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1041.237019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1041.237019][ T10] ipv6_find_idev+0x102/0x170 [ 1041.237019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.237019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.237019][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.237019][ T10] netlink_unicast+0x449/0x710 [ 1041.237019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.237019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.237019][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.237019][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.237019][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.237019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.237019][ T10] [ 1041.238704][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1041.238967][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1041.238967][ T10] netdev_get_by_index+0x5e/0x80 [ 1041.238967][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1041.238967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1041.238967][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1041.238967][ T10] ipv6_add_addr+0x411/0x2000 [ 1041.238967][ T10] inet6_addr_add+0x30e/0xa40 [ 1041.238967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1041.238967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.238967][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.238967][ T10] netlink_unicast+0x449/0x710 [ 1041.238967][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.238967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.238967][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.238967][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.238967][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.238967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.238967][ T10] [ 1041.241003][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1041.241003][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1041.241003][ T10] ipv6_find_idev+0x102/0x170 [ 1041.241003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.241003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.241003][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.241003][ T10] netlink_unicast+0x449/0x710 [ 1041.241003][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.241003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.241003][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.241003][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.241003][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.241003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.241003][ T10] [ 1041.242549][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1041.242549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1041.242549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1041.242549][ T10] ipv6_find_idev+0x102/0x170 [ 1041.242549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.242549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.242549][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.242549][ T10] netlink_unicast+0x449/0x710 [ 1041.242549][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.242549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.242549][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.242549][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.242549][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.242549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.242549][ T10] [ 1041.244254][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1041.244530][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1041.244530][ T10] netdev_get_by_index+0x5e/0x80 [ 1041.244530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1041.244530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1041.244530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1041.244530][ T10] ipv6_add_addr+0x411/0x2000 [ 1041.244530][ T10] inet6_addr_add+0x30e/0xa40 [ 1041.244530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1041.244530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.244530][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.244530][ T10] netlink_unicast+0x449/0x710 [ 1041.244530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.244530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.244530][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.244530][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.244530][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.244530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.244530][ T10] [ 1041.246527][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1041.246527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1041.246527][ T10] ipv6_find_idev+0x102/0x170 [ 1041.246527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.246527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.246527][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.246527][ T10] netlink_unicast+0x449/0x710 [ 1041.246527][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.246527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.246527][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.246527][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.246527][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.246527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.246527][ T10] [ 1041.248054][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1041.248054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1041.248054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1041.248054][ T10] ipv6_find_idev+0x102/0x170 [ 1041.248054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.248054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.248054][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.248054][ T10] netlink_unicast+0x449/0x710 [ 1041.248054][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.248054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.248054][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.248054][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.248054][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.248054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.248054][ T10] [ 1041.249742][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1041.250009][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1041.250009][ T10] netdev_get_by_index+0x5e/0x80 [ 1041.250009][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1041.250009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1041.250009][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1041.250009][ T10] ipv6_add_addr+0x411/0x2000 [ 1041.250009][ T10] inet6_addr_add+0x30e/0xa40 [ 1041.250009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1041.250009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.250009][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.250009][ T10] netlink_unicast+0x449/0x710 [ 1041.250009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.250009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.250009][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.250009][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.250009][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.250009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.250009][ T10] [ 1041.252013][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1041.252013][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1041.252013][ T10] ipv6_find_idev+0x102/0x170 [ 1041.252013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.252013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.252013][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.252013][ T10] netlink_unicast+0x449/0x710 [ 1041.252013][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.252013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.252013][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.252013][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.252013][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.252013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.252013][ T10] [ 1041.253581][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1041.253581][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1041.253581][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1041.253581][ T10] ipv6_find_idev+0x102/0x170 [ 1041.253581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.253581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.253581][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.253581][ T10] netlink_unicast+0x449/0x710 [ 1041.253581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.253581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.253581][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.253581][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.253581][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.253581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.253581][ T10] [ 1041.255391][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1041.255658][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1041.255658][ T10] netdev_get_by_index+0x5e/0x80 [ 1041.255658][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1041.255658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1041.255658][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1041.255658][ T10] ipv6_add_addr+0x411/0x2000 [ 1041.255658][ T10] inet6_addr_add+0x30e/0xa40 [ 1041.255658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1041.255658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.255658][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.255658][ T10] netlink_unicast+0x449/0x710 [ 1041.255658][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.255658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.255658][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.255658][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.255658][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.255658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.255658][ T10] [ 1041.257737][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1041.257737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1041.257737][ T10] ipv6_find_idev+0x102/0x170 [ 1041.257737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.257737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.257737][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.257737][ T10] netlink_unicast+0x449/0x710 [ 1041.257737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.257737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.257737][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.257737][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.257737][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.257737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.257737][ T10] [ 1041.259358][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1041.259358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1041.259358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1041.259358][ T10] ipv6_find_idev+0x102/0x170 [ 1041.259358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.259358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.259358][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.259358][ T10] netlink_unicast+0x449/0x710 [ 1041.259358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.259358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.259358][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.259358][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.259358][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.259358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.259358][ T10] [ 1041.261670][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1041.261982][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1041.261982][ T10] netdev_get_by_index+0x5e/0x80 [ 1041.261982][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1041.261982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1041.261982][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1041.261982][ T10] ipv6_add_addr+0x411/0x2000 [ 1041.261982][ T10] inet6_addr_add+0x30e/0xa40 [ 1041.261982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1041.261982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.261982][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.261982][ T10] netlink_unicast+0x449/0x710 [ 1041.261982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.261982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.261982][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.261982][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.261982][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.261982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.261982][ T10] [ 1041.263971][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1041.263971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1041.263971][ T10] ipv6_find_idev+0x102/0x170 [ 1041.263971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.263971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.263971][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.263971][ T10] netlink_unicast+0x449/0x710 [ 1041.263971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.263971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.263971][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.263971][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.263971][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.263971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.263971][ T10] [ 1041.265634][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1041.265634][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1041.265634][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1041.265634][ T10] ipv6_find_idev+0x102/0x170 [ 1041.265634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.265634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.265634][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.265634][ T10] netlink_unicast+0x449/0x710 [ 1041.265634][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.265634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.265634][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.265634][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.265634][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.265634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.265634][ T10] [ 1041.267596][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1041.267910][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1041.267910][ T10] netdev_get_by_index+0x5e/0x80 [ 1041.267910][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1041.267910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1041.267910][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1041.267910][ T10] ipv6_add_addr+0x411/0x2000 [ 1041.267910][ T10] inet6_addr_add+0x30e/0xa40 [ 1041.267910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1041.267910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.267910][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.267910][ T10] netlink_unicast+0x449/0x710 [ 1041.267910][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.267910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.267910][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.267910][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.267910][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.267910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.267910][ T10] [ 1041.269963][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1041.269963][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1041.269963][ T10] ipv6_find_idev+0x102/0x170 [ 1041.269963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.269963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.269963][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.269963][ T10] netlink_unicast+0x449/0x710 [ 1041.269963][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.269963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.269963][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.269963][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.269963][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.269963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.269963][ T10] [ 1041.271575][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1041.271575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1041.271575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1041.271575][ T10] ipv6_find_idev+0x102/0x170 [ 1041.271575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.271575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.271575][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.271575][ T10] netlink_unicast+0x449/0x710 [ 1041.271575][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.271575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.271575][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.271575][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.271575][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.271575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.271575][ T10] [ 1041.273438][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1041.273836][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1041.273836][ T10] netdev_get_by_index+0x5e/0x80 [ 1041.273836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1041.273836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1041.273836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1041.273836][ T10] ipv6_add_addr+0x411/0x2000 [ 1041.273836][ T10] inet6_addr_add+0x30e/0xa40 [ 1041.273836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1041.273836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.273836][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.273836][ T10] netlink_unicast+0x449/0x710 [ 1041.273836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.273836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.273836][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.273836][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.273836][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.273836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.273836][ T10] [ 1041.275836][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1041.275836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1041.275836][ T10] ipv6_find_idev+0x102/0x170 [ 1041.275836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.275836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.275836][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.275836][ T10] netlink_unicast+0x449/0x710 [ 1041.275836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.275836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.275836][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.275836][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.275836][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.275836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.275836][ T10] [ 1041.277453][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1041.277453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1041.277453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1041.277453][ T10] ipv6_find_idev+0x102/0x170 [ 1041.277453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1041.277453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1041.277453][ T10] netlink_rcv_skb+0x130/0x360 [ 1041.277453][ T10] netlink_unicast+0x449/0x710 [ 1041.277453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1041.277453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1041.277453][ T10] ___sys_sendmsg+0xee/0x170 [ 1041.277453][ T10] __sys_sendmsg+0xcd/0x170 [ 1041.277453][ T10] do_syscall_64+0xc6/0x1e0 [ 1041.277453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1041.277453][ T10] [ 1051.392117][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1051.392448][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1051.392448][ T10] netdev_get_by_index+0x5e/0x80 [ 1051.392448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1051.392448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1051.392448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1051.392448][ T10] ipv6_add_addr+0x411/0x2000 [ 1051.392448][ T10] inet6_addr_add+0x30e/0xa40 [ 1051.392448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1051.392448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.392448][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.392448][ T10] netlink_unicast+0x449/0x710 [ 1051.392448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.392448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.392448][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.392448][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.392448][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.392448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.392448][ T10] [ 1051.394444][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1051.394444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1051.394444][ T10] ipv6_find_idev+0x102/0x170 [ 1051.394444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.394444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.394444][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.394444][ T10] netlink_unicast+0x449/0x710 [ 1051.394444][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.394444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.394444][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.394444][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.394444][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.394444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.394444][ T10] [ 1051.395935][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1051.395935][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1051.395935][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1051.395935][ T10] ipv6_find_idev+0x102/0x170 [ 1051.395935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.395935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.395935][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.395935][ T10] netlink_unicast+0x449/0x710 [ 1051.395935][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.395935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.395935][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.395935][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.395935][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.395935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.395935][ T10] [ 1051.397620][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1051.397888][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1051.397888][ T10] netdev_get_by_index+0x5e/0x80 [ 1051.397888][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1051.397888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1051.397888][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1051.397888][ T10] ipv6_add_addr+0x411/0x2000 [ 1051.397888][ T10] inet6_addr_add+0x30e/0xa40 [ 1051.397888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1051.397888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.397888][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.397888][ T10] netlink_unicast+0x449/0x710 [ 1051.397888][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.397888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.397888][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.397888][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.397888][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.397888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.397888][ T10] [ 1051.399864][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1051.399864][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1051.399864][ T10] ipv6_find_idev+0x102/0x170 [ 1051.399864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.399864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.399864][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.399864][ T10] netlink_unicast+0x449/0x710 [ 1051.399864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.399864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.399864][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.399864][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.399864][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.399864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.399864][ T10] [ 1051.401398][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1051.401398][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1051.401398][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1051.401398][ T10] ipv6_find_idev+0x102/0x170 [ 1051.401398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.401398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.401398][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.401398][ T10] netlink_unicast+0x449/0x710 [ 1051.401398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.401398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.401398][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.401398][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.401398][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.401398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.401398][ T10] [ 1051.403052][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1051.403461][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1051.403461][ T10] netdev_get_by_index+0x5e/0x80 [ 1051.403461][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1051.403461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1051.403461][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1051.403461][ T10] ipv6_add_addr+0x411/0x2000 [ 1051.403461][ T10] inet6_addr_add+0x30e/0xa40 [ 1051.403461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1051.403461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.403461][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.403461][ T10] netlink_unicast+0x449/0x710 [ 1051.403461][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.403461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.403461][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.403461][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.403461][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.403461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.403461][ T10] [ 1051.405471][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1051.405471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1051.405471][ T10] ipv6_find_idev+0x102/0x170 [ 1051.405471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.405471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.405471][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.405471][ T10] netlink_unicast+0x449/0x710 [ 1051.405471][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.405471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.405471][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.405471][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.405471][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.405471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.405471][ T10] [ 1051.406998][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1051.406998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1051.406998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1051.406998][ T10] ipv6_find_idev+0x102/0x170 [ 1051.406998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.406998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.406998][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.406998][ T10] netlink_unicast+0x449/0x710 [ 1051.406998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.406998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.406998][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.406998][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.406998][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.406998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.406998][ T10] [ 1051.408654][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1051.408921][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1051.408921][ T10] netdev_get_by_index+0x5e/0x80 [ 1051.408921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1051.408921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1051.408921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1051.408921][ T10] ipv6_add_addr+0x411/0x2000 [ 1051.408921][ T10] inet6_addr_add+0x30e/0xa40 [ 1051.408921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1051.408921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.408921][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.408921][ T10] netlink_unicast+0x449/0x710 [ 1051.408921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.408921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.408921][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.408921][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.408921][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.408921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.408921][ T10] [ 1051.410886][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1051.410886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1051.410886][ T10] ipv6_find_idev+0x102/0x170 [ 1051.410886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.410886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.410886][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.410886][ T10] netlink_unicast+0x449/0x710 [ 1051.410886][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.410886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.410886][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.410886][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.410886][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.410886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.410886][ T10] [ 1051.412392][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1051.412392][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1051.412392][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1051.412392][ T10] ipv6_find_idev+0x102/0x170 [ 1051.412392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.412392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.412392][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.412392][ T10] netlink_unicast+0x449/0x710 [ 1051.412392][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.412392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.412392][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.412392][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.412392][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.412392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.412392][ T10] [ 1051.414487][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1051.414811][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1051.414811][ T10] netdev_get_by_index+0x5e/0x80 [ 1051.414811][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1051.414811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1051.414811][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1051.414811][ T10] ipv6_add_addr+0x411/0x2000 [ 1051.414811][ T10] inet6_addr_add+0x30e/0xa40 [ 1051.414811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1051.414811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.414811][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.414811][ T10] netlink_unicast+0x449/0x710 [ 1051.414811][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.414811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.414811][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.414811][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.414811][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.414811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.414811][ T10] [ 1051.416775][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1051.416775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1051.416775][ T10] ipv6_find_idev+0x102/0x170 [ 1051.416775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.416775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.416775][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.416775][ T10] netlink_unicast+0x449/0x710 [ 1051.416775][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.416775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.416775][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.416775][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.416775][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.416775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.416775][ T10] [ 1051.418280][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1051.418280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1051.418280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1051.418280][ T10] ipv6_find_idev+0x102/0x170 [ 1051.418280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.418280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.418280][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.418280][ T10] netlink_unicast+0x449/0x710 [ 1051.418280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.418280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.418280][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.418280][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.418280][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.418280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.418280][ T10] [ 1051.420080][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1051.420409][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1051.420409][ T10] netdev_get_by_index+0x5e/0x80 [ 1051.420409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1051.420409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1051.420409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1051.420409][ T10] ipv6_add_addr+0x411/0x2000 [ 1051.420409][ T10] inet6_addr_add+0x30e/0xa40 [ 1051.420409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1051.420409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.420409][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.420409][ T10] netlink_unicast+0x449/0x710 [ 1051.420409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.420409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.420409][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.420409][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.420409][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.420409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.420409][ T10] [ 1051.422532][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1051.422532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1051.422532][ T10] ipv6_find_idev+0x102/0x170 [ 1051.422532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.422532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.422532][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.422532][ T10] netlink_unicast+0x449/0x710 [ 1051.422532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.422532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.422532][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.422532][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.422532][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.422532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.422532][ T10] [ 1051.424175][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1051.424175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1051.424175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1051.424175][ T10] ipv6_find_idev+0x102/0x170 [ 1051.424175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.424175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.424175][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.424175][ T10] netlink_unicast+0x449/0x710 [ 1051.424175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.424175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.424175][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.424175][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.424175][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.424175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.424175][ T10] [ 1051.426084][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1051.426398][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1051.426398][ T10] netdev_get_by_index+0x5e/0x80 [ 1051.426398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1051.426398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1051.426398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1051.426398][ T10] ipv6_add_addr+0x411/0x2000 [ 1051.426398][ T10] inet6_addr_add+0x30e/0xa40 [ 1051.426398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1051.426398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.426398][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.426398][ T10] netlink_unicast+0x449/0x710 [ 1051.426398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.426398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.426398][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.426398][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.426398][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.426398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.426398][ T10] [ 1051.428600][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1051.428600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1051.428600][ T10] ipv6_find_idev+0x102/0x170 [ 1051.428600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.428600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.428600][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.428600][ T10] netlink_unicast+0x449/0x710 [ 1051.428600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.428600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.428600][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.428600][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.428600][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.428600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.428600][ T10] [ 1051.430164][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1051.430164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1051.430164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1051.430164][ T10] ipv6_find_idev+0x102/0x170 [ 1051.430164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.430164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.430164][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.430164][ T10] netlink_unicast+0x449/0x710 [ 1051.430164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.430164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.430164][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.430164][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.430164][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.430164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.430164][ T10] [ 1051.432045][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1051.432365][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1051.432365][ T10] netdev_get_by_index+0x5e/0x80 [ 1051.432365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1051.432365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1051.432365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1051.432365][ T10] ipv6_add_addr+0x411/0x2000 [ 1051.432365][ T10] inet6_addr_add+0x30e/0xa40 [ 1051.432365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1051.432365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.432365][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.432365][ T10] netlink_unicast+0x449/0x710 [ 1051.432365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.432365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.432365][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.432365][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.432365][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.432365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.432365][ T10] [ 1051.434434][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1051.434434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1051.434434][ T10] ipv6_find_idev+0x102/0x170 [ 1051.434434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.434434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.434434][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.434434][ T10] netlink_unicast+0x449/0x710 [ 1051.434434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.434434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.434434][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.434434][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.434434][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.434434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.434434][ T10] [ 1051.436137][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1051.436137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1051.436137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1051.436137][ T10] ipv6_find_idev+0x102/0x170 [ 1051.436137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1051.436137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1051.436137][ T10] netlink_rcv_skb+0x130/0x360 [ 1051.436137][ T10] netlink_unicast+0x449/0x710 [ 1051.436137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1051.436137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1051.436137][ T10] ___sys_sendmsg+0xee/0x170 [ 1051.436137][ T10] __sys_sendmsg+0xcd/0x170 [ 1051.436137][ T10] do_syscall_64+0xc6/0x1e0 [ 1051.436137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1051.436137][ T10] [ 1061.536214][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1061.536552][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1061.536552][ T10] netdev_get_by_index+0x5e/0x80 [ 1061.536552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1061.536552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1061.536552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1061.536552][ T10] ipv6_add_addr+0x411/0x2000 [ 1061.536552][ T10] inet6_addr_add+0x30e/0xa40 [ 1061.536552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1061.536552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.536552][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.536552][ T10] netlink_unicast+0x449/0x710 [ 1061.536552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.536552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.536552][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.536552][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.536552][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.536552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.536552][ T10] [ 1061.538598][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1061.538598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1061.538598][ T10] ipv6_find_idev+0x102/0x170 [ 1061.538598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.538598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.538598][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.538598][ T10] netlink_unicast+0x449/0x710 [ 1061.538598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.538598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.538598][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.538598][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.538598][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.538598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.538598][ T10] [ 1061.540205][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1061.540205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1061.540205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1061.540205][ T10] ipv6_find_idev+0x102/0x170 [ 1061.540205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.540205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.540205][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.540205][ T10] netlink_unicast+0x449/0x710 [ 1061.540205][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.540205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.540205][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.540205][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.540205][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.540205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.540205][ T10] [ 1061.541915][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1061.542199][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1061.542199][ T10] netdev_get_by_index+0x5e/0x80 [ 1061.542199][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1061.542199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1061.542199][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1061.542199][ T10] ipv6_add_addr+0x411/0x2000 [ 1061.542199][ T10] inet6_addr_add+0x30e/0xa40 [ 1061.542199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1061.542199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.542199][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.542199][ T10] netlink_unicast+0x449/0x710 [ 1061.542199][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.542199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.542199][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.542199][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.542199][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.542199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.542199][ T10] [ 1061.544225][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1061.544225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1061.544225][ T10] ipv6_find_idev+0x102/0x170 [ 1061.544225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.544225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.544225][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.544225][ T10] netlink_unicast+0x449/0x710 [ 1061.544225][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.544225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.544225][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.544225][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.544225][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.544225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.544225][ T10] [ 1061.545798][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1061.545798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1061.545798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1061.545798][ T10] ipv6_find_idev+0x102/0x170 [ 1061.545798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.545798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.545798][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.545798][ T10] netlink_unicast+0x449/0x710 [ 1061.545798][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.545798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.545798][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.545798][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.545798][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.545798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.545798][ T10] [ 1061.547498][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1061.547771][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1061.547771][ T10] netdev_get_by_index+0x5e/0x80 [ 1061.547771][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1061.547771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1061.547771][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1061.547771][ T10] ipv6_add_addr+0x411/0x2000 [ 1061.547771][ T10] inet6_addr_add+0x30e/0xa40 [ 1061.547771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1061.547771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.547771][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.547771][ T10] netlink_unicast+0x449/0x710 [ 1061.547771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.547771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.547771][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.547771][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.547771][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.547771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.547771][ T10] [ 1061.549809][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1061.549809][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1061.549809][ T10] ipv6_find_idev+0x102/0x170 [ 1061.549809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.549809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.549809][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.549809][ T10] netlink_unicast+0x449/0x710 [ 1061.549809][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.549809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.549809][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.549809][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.549809][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.549809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.549809][ T10] [ 1061.551380][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1061.551380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1061.551380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1061.551380][ T10] ipv6_find_idev+0x102/0x170 [ 1061.551380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.551380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.551380][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.551380][ T10] netlink_unicast+0x449/0x710 [ 1061.551380][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.551380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.551380][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.551380][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.551380][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.551380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.551380][ T10] [ 1061.553083][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1061.553359][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1061.553359][ T10] netdev_get_by_index+0x5e/0x80 [ 1061.553359][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1061.553359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1061.553359][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1061.553359][ T10] ipv6_add_addr+0x411/0x2000 [ 1061.553359][ T10] inet6_addr_add+0x30e/0xa40 [ 1061.553359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1061.553359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.553359][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.553359][ T10] netlink_unicast+0x449/0x710 [ 1061.553359][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.553359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.553359][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.553359][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.553359][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.553359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.553359][ T10] [ 1061.555525][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1061.555525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1061.555525][ T10] ipv6_find_idev+0x102/0x170 [ 1061.555525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.555525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.555525][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.555525][ T10] netlink_unicast+0x449/0x710 [ 1061.555525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.555525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.555525][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.555525][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.555525][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.555525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.555525][ T10] [ 1061.557290][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1061.557290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1061.557290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1061.557290][ T10] ipv6_find_idev+0x102/0x170 [ 1061.557290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.557290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.557290][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.557290][ T10] netlink_unicast+0x449/0x710 [ 1061.557290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.557290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.557290][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.557290][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.557290][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.557290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.557290][ T10] [ 1061.559201][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1061.559478][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1061.559478][ T10] netdev_get_by_index+0x5e/0x80 [ 1061.559478][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1061.559478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1061.559478][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1061.559478][ T10] ipv6_add_addr+0x411/0x2000 [ 1061.559478][ T10] inet6_addr_add+0x30e/0xa40 [ 1061.559478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1061.559478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.559478][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.559478][ T10] netlink_unicast+0x449/0x710 [ 1061.559478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.559478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.559478][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.559478][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.559478][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.559478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.559478][ T10] [ 1061.561614][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1061.561614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1061.561614][ T10] ipv6_find_idev+0x102/0x170 [ 1061.561614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.561614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.561614][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.561614][ T10] netlink_unicast+0x449/0x710 [ 1061.561614][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.561614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.561614][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.561614][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.561614][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.561614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.561614][ T10] [ 1061.563376][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1061.563376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1061.563376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1061.563376][ T10] ipv6_find_idev+0x102/0x170 [ 1061.563376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.563376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.563376][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.563376][ T10] netlink_unicast+0x449/0x710 [ 1061.563376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.563376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.563376][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.563376][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.563376][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.563376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.563376][ T10] [ 1061.565690][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1061.566004][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1061.566004][ T10] netdev_get_by_index+0x5e/0x80 [ 1061.566004][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1061.566004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1061.566004][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1061.566004][ T10] ipv6_add_addr+0x411/0x2000 [ 1061.566004][ T10] inet6_addr_add+0x30e/0xa40 [ 1061.566004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1061.566004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.566004][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.566004][ T10] netlink_unicast+0x449/0x710 [ 1061.566004][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.566004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.566004][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.566004][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.566004][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.566004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.566004][ T10] [ 1061.568013][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1061.568013][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1061.568013][ T10] ipv6_find_idev+0x102/0x170 [ 1061.568013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.568013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.568013][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.568013][ T10] netlink_unicast+0x449/0x710 [ 1061.568013][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.568013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.568013][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.568013][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.568013][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.568013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.568013][ T10] [ 1061.569769][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1061.569769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1061.569769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1061.569769][ T10] ipv6_find_idev+0x102/0x170 [ 1061.569769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.569769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.569769][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.569769][ T10] netlink_unicast+0x449/0x710 [ 1061.569769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.569769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.569769][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.569769][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.569769][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.569769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.569769][ T10] [ 1061.571709][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1061.572035][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1061.572035][ T10] netdev_get_by_index+0x5e/0x80 [ 1061.572035][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1061.572035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1061.572035][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1061.572035][ T10] ipv6_add_addr+0x411/0x2000 [ 1061.572035][ T10] inet6_addr_add+0x30e/0xa40 [ 1061.572035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1061.572035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.572035][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.572035][ T10] netlink_unicast+0x449/0x710 [ 1061.572035][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.572035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.572035][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.572035][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.572035][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.572035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.572035][ T10] [ 1061.574033][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1061.574033][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1061.574033][ T10] ipv6_find_idev+0x102/0x170 [ 1061.574033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.574033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.574033][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.574033][ T10] netlink_unicast+0x449/0x710 [ 1061.574033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.574033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.574033][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.574033][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.574033][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.574033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.574033][ T10] [ 1061.575579][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1061.575579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1061.575579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1061.575579][ T10] ipv6_find_idev+0x102/0x170 [ 1061.575579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.575579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.575579][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.575579][ T10] netlink_unicast+0x449/0x710 [ 1061.575579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.575579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.575579][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.575579][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.575579][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.575579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.575579][ T10] [ 1061.577446][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1061.577763][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1061.577763][ T10] netdev_get_by_index+0x5e/0x80 [ 1061.577763][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1061.577763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1061.577763][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1061.577763][ T10] ipv6_add_addr+0x411/0x2000 [ 1061.577763][ T10] inet6_addr_add+0x30e/0xa40 [ 1061.577763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1061.577763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.577763][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.577763][ T10] netlink_unicast+0x449/0x710 [ 1061.577763][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.577763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.577763][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.577763][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.577763][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.577763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.577763][ T10] [ 1061.579838][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1061.579838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1061.579838][ T10] ipv6_find_idev+0x102/0x170 [ 1061.579838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.579838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.579838][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.579838][ T10] netlink_unicast+0x449/0x710 [ 1061.579838][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.579838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.579838][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.579838][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.579838][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.579838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.579838][ T10] [ 1061.581492][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1061.581492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1061.581492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1061.581492][ T10] ipv6_find_idev+0x102/0x170 [ 1061.581492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1061.581492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1061.581492][ T10] netlink_rcv_skb+0x130/0x360 [ 1061.581492][ T10] netlink_unicast+0x449/0x710 [ 1061.581492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1061.581492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1061.581492][ T10] ___sys_sendmsg+0xee/0x170 [ 1061.581492][ T10] __sys_sendmsg+0xcd/0x170 [ 1061.581492][ T10] do_syscall_64+0xc6/0x1e0 [ 1061.581492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1061.581492][ T10] [ 1071.696134][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1071.696451][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1071.696451][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.696451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1071.696451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.696451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1071.696451][ T10] ipv6_add_addr+0x411/0x2000 [ 1071.696451][ T10] inet6_addr_add+0x30e/0xa40 [ 1071.696451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.696451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.696451][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.696451][ T10] netlink_unicast+0x449/0x710 [ 1071.696451][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.696451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.696451][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.696451][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.696451][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.696451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.696451][ T10] [ 1071.698429][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1071.698429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1071.698429][ T10] ipv6_find_idev+0x102/0x170 [ 1071.698429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.698429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.698429][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.698429][ T10] netlink_unicast+0x449/0x710 [ 1071.698429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.698429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.698429][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.698429][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.698429][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.698429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.698429][ T10] [ 1071.699961][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1071.699961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1071.699961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1071.699961][ T10] ipv6_find_idev+0x102/0x170 [ 1071.699961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.699961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.699961][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.699961][ T10] netlink_unicast+0x449/0x710 [ 1071.699961][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.699961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.699961][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.699961][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.699961][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.699961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.699961][ T10] [ 1071.701667][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1071.701931][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1071.701931][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.701931][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1071.701931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.701931][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1071.701931][ T10] ipv6_add_addr+0x411/0x2000 [ 1071.701931][ T10] inet6_addr_add+0x30e/0xa40 [ 1071.701931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.701931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.701931][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.701931][ T10] netlink_unicast+0x449/0x710 [ 1071.701931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.701931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.701931][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.701931][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.701931][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.701931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.701931][ T10] [ 1071.703940][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1071.703940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1071.703940][ T10] ipv6_find_idev+0x102/0x170 [ 1071.703940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.703940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.703940][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.703940][ T10] netlink_unicast+0x449/0x710 [ 1071.703940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.703940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.703940][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.703940][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.703940][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.703940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.703940][ T10] [ 1071.705466][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1071.705466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1071.705466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1071.705466][ T10] ipv6_find_idev+0x102/0x170 [ 1071.705466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.705466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.705466][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.705466][ T10] netlink_unicast+0x449/0x710 [ 1071.705466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.705466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.705466][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.705466][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.705466][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.705466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.705466][ T10] [ 1071.707135][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1071.707399][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1071.707399][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.707399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1071.707399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.707399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1071.707399][ T10] ipv6_add_addr+0x411/0x2000 [ 1071.707399][ T10] inet6_addr_add+0x30e/0xa40 [ 1071.707399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.707399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.707399][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.707399][ T10] netlink_unicast+0x449/0x710 [ 1071.707399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.707399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.707399][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.707399][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.707399][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.707399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.707399][ T10] [ 1071.709390][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1071.709390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1071.709390][ T10] ipv6_find_idev+0x102/0x170 [ 1071.709390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.709390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.709390][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.709390][ T10] netlink_unicast+0x449/0x710 [ 1071.709390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.709390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.709390][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.709390][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.709390][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.709390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.709390][ T10] [ 1071.710907][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1071.710907][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1071.710907][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1071.710907][ T10] ipv6_find_idev+0x102/0x170 [ 1071.710907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.710907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.710907][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.710907][ T10] netlink_unicast+0x449/0x710 [ 1071.710907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.710907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.710907][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.710907][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.710907][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.710907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.710907][ T10] [ 1071.712613][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1071.712882][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1071.712882][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.712882][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1071.712882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.712882][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1071.712882][ T10] ipv6_add_addr+0x411/0x2000 [ 1071.712882][ T10] inet6_addr_add+0x30e/0xa40 [ 1071.712882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.712882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.712882][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.712882][ T10] netlink_unicast+0x449/0x710 [ 1071.712882][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.712882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.712882][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.712882][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.712882][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.712882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.712882][ T10] [ 1071.714873][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1071.714873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1071.714873][ T10] ipv6_find_idev+0x102/0x170 [ 1071.714873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.714873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.714873][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.714873][ T10] netlink_unicast+0x449/0x710 [ 1071.714873][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.714873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.714873][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.714873][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.714873][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.714873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.714873][ T10] [ 1071.716383][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1071.716383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1071.716383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1071.716383][ T10] ipv6_find_idev+0x102/0x170 [ 1071.716383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.716383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.716383][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.716383][ T10] netlink_unicast+0x449/0x710 [ 1071.716383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.716383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.716383][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.716383][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.716383][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.716383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.716383][ T10] [ 1071.718102][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1071.718381][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1071.718381][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.718381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1071.718381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.718381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1071.718381][ T10] ipv6_add_addr+0x411/0x2000 [ 1071.718381][ T10] inet6_addr_add+0x30e/0xa40 [ 1071.718381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.718381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.718381][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.718381][ T10] netlink_unicast+0x449/0x710 [ 1071.718381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.718381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.718381][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.718381][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.718381][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.718381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.718381][ T10] [ 1071.720369][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1071.720369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1071.720369][ T10] ipv6_find_idev+0x102/0x170 [ 1071.720369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.720369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.720369][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.720369][ T10] netlink_unicast+0x449/0x710 [ 1071.720369][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.720369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.720369][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.720369][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.720369][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.720369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.720369][ T10] [ 1071.721848][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1071.721848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1071.721848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1071.721848][ T10] ipv6_find_idev+0x102/0x170 [ 1071.721848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.721848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.721848][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.721848][ T10] netlink_unicast+0x449/0x710 [ 1071.721848][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.721848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.721848][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.721848][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.721848][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.721848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.721848][ T10] [ 1071.723917][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1071.724630][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1071.724630][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.724630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1071.724630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.724630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1071.724630][ T10] ipv6_add_addr+0x411/0x2000 [ 1071.724630][ T10] inet6_addr_add+0x30e/0xa40 [ 1071.724630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.724630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.724630][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.724630][ T10] netlink_unicast+0x449/0x710 [ 1071.724630][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.724630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.724630][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.724630][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.724630][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.724630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.724630][ T10] [ 1071.726578][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1071.726578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1071.726578][ T10] ipv6_find_idev+0x102/0x170 [ 1071.726578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.726578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.726578][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.726578][ T10] netlink_unicast+0x449/0x710 [ 1071.726578][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.726578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.726578][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.726578][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.726578][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.726578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.726578][ T10] [ 1071.728191][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1071.728191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1071.728191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1071.728191][ T10] ipv6_find_idev+0x102/0x170 [ 1071.728191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.728191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.728191][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.728191][ T10] netlink_unicast+0x449/0x710 [ 1071.728191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.728191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.728191][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.728191][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.728191][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.728191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.728191][ T10] [ 1071.730176][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1071.730585][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1071.730585][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.730585][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1071.730585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.730585][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1071.730585][ T10] ipv6_add_addr+0x411/0x2000 [ 1071.730585][ T10] inet6_addr_add+0x30e/0xa40 [ 1071.730585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.730585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.730585][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.730585][ T10] netlink_unicast+0x449/0x710 [ 1071.730585][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.730585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.730585][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.730585][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.730585][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.730585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.730585][ T10] [ 1071.732609][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1071.732609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1071.732609][ T10] ipv6_find_idev+0x102/0x170 [ 1071.732609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.732609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.732609][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.732609][ T10] netlink_unicast+0x449/0x710 [ 1071.732609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.732609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.732609][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.732609][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.732609][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.732609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.732609][ T10] [ 1071.734297][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1071.734297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1071.734297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1071.734297][ T10] ipv6_find_idev+0x102/0x170 [ 1071.734297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.734297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.734297][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.734297][ T10] netlink_unicast+0x449/0x710 [ 1071.734297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.734297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.734297][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.734297][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.734297][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.734297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.734297][ T10] [ 1071.736130][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1071.736458][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1071.736458][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.736458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1071.736458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.736458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1071.736458][ T10] ipv6_add_addr+0x411/0x2000 [ 1071.736458][ T10] inet6_addr_add+0x30e/0xa40 [ 1071.736458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.736458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.736458][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.736458][ T10] netlink_unicast+0x449/0x710 [ 1071.736458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.736458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.736458][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.736458][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.736458][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.736458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.736458][ T10] [ 1071.738596][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1071.738596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1071.738596][ T10] ipv6_find_idev+0x102/0x170 [ 1071.738596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.738596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.738596][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.738596][ T10] netlink_unicast+0x449/0x710 [ 1071.738596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.738596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.738596][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.738596][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.738596][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.738596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.738596][ T10] [ 1071.740298][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1071.740298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1071.740298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1071.740298][ T10] ipv6_find_idev+0x102/0x170 [ 1071.740298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.740298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.740298][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.740298][ T10] netlink_unicast+0x449/0x710 [ 1071.740298][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.740298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.740298][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.740298][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.740298][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.740298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.740298][ T10] [ 1081.864207][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1081.864623][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1081.864623][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.864623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1081.864623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.864623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1081.864623][ T10] ipv6_add_addr+0x411/0x2000 [ 1081.864623][ T10] inet6_addr_add+0x30e/0xa40 [ 1081.864623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.864623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.864623][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.864623][ T10] netlink_unicast+0x449/0x710 [ 1081.864623][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.864623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.864623][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.864623][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.864623][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.864623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.864623][ T10] [ 1081.866629][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1081.866629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1081.866629][ T10] ipv6_find_idev+0x102/0x170 [ 1081.866629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.866629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.866629][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.866629][ T10] netlink_unicast+0x449/0x710 [ 1081.866629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.866629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.866629][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.866629][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.866629][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.866629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.866629][ T10] [ 1081.868198][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1081.868198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1081.868198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1081.868198][ T10] ipv6_find_idev+0x102/0x170 [ 1081.868198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.868198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.868198][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.868198][ T10] netlink_unicast+0x449/0x710 [ 1081.868198][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.868198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.868198][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.868198][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.868198][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.868198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.868198][ T10] [ 1081.869894][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1081.870171][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1081.870171][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.870171][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1081.870171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.870171][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1081.870171][ T10] ipv6_add_addr+0x411/0x2000 [ 1081.870171][ T10] inet6_addr_add+0x30e/0xa40 [ 1081.870171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.870171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.870171][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.870171][ T10] netlink_unicast+0x449/0x710 [ 1081.870171][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.870171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.870171][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.870171][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.870171][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.870171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.870171][ T10] [ 1081.872167][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1081.872167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1081.872167][ T10] ipv6_find_idev+0x102/0x170 [ 1081.872167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.872167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.872167][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.872167][ T10] netlink_unicast+0x449/0x710 [ 1081.872167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.872167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.872167][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.872167][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.872167][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.872167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.872167][ T10] [ 1081.873706][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1081.873706][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1081.873706][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1081.873706][ T10] ipv6_find_idev+0x102/0x170 [ 1081.873706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.873706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.873706][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.873706][ T10] netlink_unicast+0x449/0x710 [ 1081.873706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.873706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.873706][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.873706][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.873706][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.873706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.873706][ T10] [ 1081.875361][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1081.875624][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1081.875624][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.875624][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1081.875624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.875624][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1081.875624][ T10] ipv6_add_addr+0x411/0x2000 [ 1081.875624][ T10] inet6_addr_add+0x30e/0xa40 [ 1081.875624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.875624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.875624][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.875624][ T10] netlink_unicast+0x449/0x710 [ 1081.875624][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.875624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.875624][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.875624][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.875624][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.875624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.875624][ T10] [ 1081.877614][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1081.877614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1081.877614][ T10] ipv6_find_idev+0x102/0x170 [ 1081.877614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.877614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.877614][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.877614][ T10] netlink_unicast+0x449/0x710 [ 1081.877614][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.877614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.877614][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.877614][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.877614][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.877614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.877614][ T10] [ 1081.879167][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1081.879167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1081.879167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1081.879167][ T10] ipv6_find_idev+0x102/0x170 [ 1081.879167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.879167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.879167][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.879167][ T10] netlink_unicast+0x449/0x710 [ 1081.879167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.879167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.879167][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.879167][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.879167][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.879167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.879167][ T10] [ 1081.880863][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1081.881124][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1081.881124][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.881124][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1081.881124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.881124][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1081.881124][ T10] ipv6_add_addr+0x411/0x2000 [ 1081.881124][ T10] inet6_addr_add+0x30e/0xa40 [ 1081.881124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.881124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.881124][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.881124][ T10] netlink_unicast+0x449/0x710 [ 1081.881124][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.881124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.881124][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.881124][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.881124][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.881124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.881124][ T10] [ 1081.883438][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1081.883438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1081.883438][ T10] ipv6_find_idev+0x102/0x170 [ 1081.883438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.883438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.883438][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.883438][ T10] netlink_unicast+0x449/0x710 [ 1081.883438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.883438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.883438][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.883438][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.883438][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.883438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.883438][ T10] [ 1081.885099][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1081.885099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1081.885099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1081.885099][ T10] ipv6_find_idev+0x102/0x170 [ 1081.885099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.885099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.885099][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.885099][ T10] netlink_unicast+0x449/0x710 [ 1081.885099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.885099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.885099][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.885099][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.885099][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.885099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.885099][ T10] [ 1081.886980][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1081.887682][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1081.887682][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.887682][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1081.887682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.887682][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1081.887682][ T10] ipv6_add_addr+0x411/0x2000 [ 1081.887682][ T10] inet6_addr_add+0x30e/0xa40 [ 1081.887682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.887682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.887682][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.887682][ T10] netlink_unicast+0x449/0x710 [ 1081.887682][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.887682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.887682][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.887682][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.887682][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.887682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.887682][ T10] [ 1081.889665][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1081.889665][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1081.889665][ T10] ipv6_find_idev+0x102/0x170 [ 1081.889665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.889665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.889665][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.889665][ T10] netlink_unicast+0x449/0x710 [ 1081.889665][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.889665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.889665][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.889665][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.889665][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.889665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.889665][ T10] [ 1081.891187][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1081.891187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1081.891187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1081.891187][ T10] ipv6_find_idev+0x102/0x170 [ 1081.891187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.891187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.891187][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.891187][ T10] netlink_unicast+0x449/0x710 [ 1081.891187][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.891187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.891187][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.891187][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.891187][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.891187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.891187][ T10] [ 1081.892944][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1081.893264][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1081.893264][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.893264][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1081.893264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.893264][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1081.893264][ T10] ipv6_add_addr+0x411/0x2000 [ 1081.893264][ T10] inet6_addr_add+0x30e/0xa40 [ 1081.893264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.893264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.893264][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.893264][ T10] netlink_unicast+0x449/0x710 [ 1081.893264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.893264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.893264][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.893264][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.893264][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.893264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.893264][ T10] [ 1081.895238][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1081.895238][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1081.895238][ T10] ipv6_find_idev+0x102/0x170 [ 1081.895238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.895238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.895238][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.895238][ T10] netlink_unicast+0x449/0x710 [ 1081.895238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.895238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.895238][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.895238][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.895238][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.895238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.895238][ T10] [ 1081.896764][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1081.896764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1081.896764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1081.896764][ T10] ipv6_find_idev+0x102/0x170 [ 1081.896764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.896764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.896764][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.896764][ T10] netlink_unicast+0x449/0x710 [ 1081.896764][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.896764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.896764][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.896764][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.896764][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.896764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.896764][ T10] [ 1081.898594][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1081.898854][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1081.898854][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.898854][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1081.898854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.898854][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1081.898854][ T10] ipv6_add_addr+0x411/0x2000 [ 1081.898854][ T10] inet6_addr_add+0x30e/0xa40 [ 1081.898854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.898854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.898854][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.898854][ T10] netlink_unicast+0x449/0x710 [ 1081.898854][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.898854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.898854][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.898854][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.898854][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.898854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.898854][ T10] [ 1081.900857][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1081.900857][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1081.900857][ T10] ipv6_find_idev+0x102/0x170 [ 1081.900857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.900857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.900857][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.900857][ T10] netlink_unicast+0x449/0x710 [ 1081.900857][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.900857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.900857][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.900857][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.900857][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.900857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.900857][ T10] [ 1081.902449][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1081.902449][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1081.902449][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1081.902449][ T10] ipv6_find_idev+0x102/0x170 [ 1081.902449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.902449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.902449][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.902449][ T10] netlink_unicast+0x449/0x710 [ 1081.902449][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.902449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.902449][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.902449][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.902449][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.902449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.902449][ T10] [ 1081.904334][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1081.904600][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1081.904600][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.904600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1081.904600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.904600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1081.904600][ T10] ipv6_add_addr+0x411/0x2000 [ 1081.904600][ T10] inet6_addr_add+0x30e/0xa40 [ 1081.904600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.904600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.904600][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.904600][ T10] netlink_unicast+0x449/0x710 [ 1081.904600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.904600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.904600][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.904600][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.904600][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.904600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.904600][ T10] [ 1081.906842][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1081.906842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1081.906842][ T10] ipv6_find_idev+0x102/0x170 [ 1081.906842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.906842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.906842][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.906842][ T10] netlink_unicast+0x449/0x710 [ 1081.906842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.906842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.906842][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.906842][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.906842][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.906842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.906842][ T10] [ 1081.908617][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1081.908617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1081.908617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1081.908617][ T10] ipv6_find_idev+0x102/0x170 [ 1081.908617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.908617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.908617][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.908617][ T10] netlink_unicast+0x449/0x710 [ 1081.908617][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.908617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.908617][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.908617][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.908617][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.908617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.908617][ T10] [ 1091.977116][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1091.977449][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1091.977449][ T10] netdev_get_by_index+0x5e/0x80 [ 1091.977449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1091.977449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1091.977449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1091.977449][ T10] ipv6_add_addr+0x411/0x2000 [ 1091.977449][ T10] inet6_addr_add+0x30e/0xa40 [ 1091.977449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.977449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.977449][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.977449][ T10] netlink_unicast+0x449/0x710 [ 1091.977449][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.977449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.977449][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.977449][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.977449][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.977449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.977449][ T10] [ 1091.979528][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1091.979528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1091.979528][ T10] ipv6_find_idev+0x102/0x170 [ 1091.979528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.979528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.979528][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.979528][ T10] netlink_unicast+0x449/0x710 [ 1091.979528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.979528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.979528][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.979528][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.979528][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.979528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.979528][ T10] [ 1091.981084][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1091.981084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1091.981084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1091.981084][ T10] ipv6_find_idev+0x102/0x170 [ 1091.981084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.981084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.981084][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.981084][ T10] netlink_unicast+0x449/0x710 [ 1091.981084][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.981084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.981084][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.981084][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.981084][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.981084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.981084][ T10] [ 1091.982796][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1091.983076][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1091.983076][ T10] netdev_get_by_index+0x5e/0x80 [ 1091.983076][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1091.983076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1091.983076][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1091.983076][ T10] ipv6_add_addr+0x411/0x2000 [ 1091.983076][ T10] inet6_addr_add+0x30e/0xa40 [ 1091.983076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.983076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.983076][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.983076][ T10] netlink_unicast+0x449/0x710 [ 1091.983076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.983076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.983076][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.983076][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.983076][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.983076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.983076][ T10] [ 1091.985172][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1091.985172][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1091.985172][ T10] ipv6_find_idev+0x102/0x170 [ 1091.985172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.985172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.985172][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.985172][ T10] netlink_unicast+0x449/0x710 [ 1091.985172][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.985172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.985172][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.985172][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.985172][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.985172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.985172][ T10] [ 1091.986859][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1091.986859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1091.986859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1091.986859][ T10] ipv6_find_idev+0x102/0x170 [ 1091.986859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.986859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.986859][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.986859][ T10] netlink_unicast+0x449/0x710 [ 1091.986859][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.986859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.986859][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.986859][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.986859][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.986859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.986859][ T10] [ 1091.988927][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1091.989262][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1091.989262][ T10] netdev_get_by_index+0x5e/0x80 [ 1091.989262][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1091.989262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1091.989262][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1091.989262][ T10] ipv6_add_addr+0x411/0x2000 [ 1091.989262][ T10] inet6_addr_add+0x30e/0xa40 [ 1091.989262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.989262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.989262][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.989262][ T10] netlink_unicast+0x449/0x710 [ 1091.989262][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.989262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.989262][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.989262][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.989262][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.989262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.989262][ T10] [ 1091.991278][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1091.991278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1091.991278][ T10] ipv6_find_idev+0x102/0x170 [ 1091.991278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.991278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.991278][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.991278][ T10] netlink_unicast+0x449/0x710 [ 1091.991278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.991278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.991278][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.991278][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.991278][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.991278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.991278][ T10] [ 1091.992846][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1091.992846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1091.992846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1091.992846][ T10] ipv6_find_idev+0x102/0x170 [ 1091.992846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.992846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.992846][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.992846][ T10] netlink_unicast+0x449/0x710 [ 1091.992846][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.992846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.992846][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.992846][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.992846][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.992846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.992846][ T10] [ 1091.994600][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1091.994912][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1091.994912][ T10] netdev_get_by_index+0x5e/0x80 [ 1091.994912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1091.994912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1091.994912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1091.994912][ T10] ipv6_add_addr+0x411/0x2000 [ 1091.994912][ T10] inet6_addr_add+0x30e/0xa40 [ 1091.994912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.994912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.994912][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.994912][ T10] netlink_unicast+0x449/0x710 [ 1091.994912][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.994912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.994912][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.994912][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.994912][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.994912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.994912][ T10] [ 1091.997021][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1091.997021][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1091.997021][ T10] ipv6_find_idev+0x102/0x170 [ 1091.997021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.997021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.997021][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.997021][ T10] netlink_unicast+0x449/0x710 [ 1091.997021][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.997021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.997021][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.997021][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.997021][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.997021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.997021][ T10] [ 1091.998769][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1091.998769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1091.998769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1091.998769][ T10] ipv6_find_idev+0x102/0x170 [ 1091.998769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.998769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.998769][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.998769][ T10] netlink_unicast+0x449/0x710 [ 1091.998769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.998769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.998769][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.998769][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.998769][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.998769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.998769][ T10] [ 1092.000774][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1092.001095][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1092.001095][ T10] netdev_get_by_index+0x5e/0x80 [ 1092.001095][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1092.001095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1092.001095][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1092.001095][ T10] ipv6_add_addr+0x411/0x2000 [ 1092.001095][ T10] inet6_addr_add+0x30e/0xa40 [ 1092.001095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1092.001095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.001095][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.001095][ T10] netlink_unicast+0x449/0x710 [ 1092.001095][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.001095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.001095][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.001095][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.001095][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.001095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.001095][ T10] [ 1092.003317][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1092.003317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1092.003317][ T10] ipv6_find_idev+0x102/0x170 [ 1092.003317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1092.003317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.003317][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.003317][ T10] netlink_unicast+0x449/0x710 [ 1092.003317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.003317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.003317][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.003317][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.003317][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.003317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.003317][ T10] [ 1092.004999][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1092.004999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1092.004999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1092.004999][ T10] ipv6_find_idev+0x102/0x170 [ 1092.004999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1092.004999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.004999][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.004999][ T10] netlink_unicast+0x449/0x710 [ 1092.004999][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.004999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.004999][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.004999][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.004999][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.004999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.004999][ T10] [ 1092.006741][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1092.007058][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1092.007058][ T10] netdev_get_by_index+0x5e/0x80 [ 1092.007058][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1092.007058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1092.007058][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1092.007058][ T10] ipv6_add_addr+0x411/0x2000 [ 1092.007058][ T10] inet6_addr_add+0x30e/0xa40 [ 1092.007058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1092.007058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.007058][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.007058][ T10] netlink_unicast+0x449/0x710 [ 1092.007058][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.007058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.007058][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.007058][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.007058][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.007058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.007058][ T10] [ 1092.009125][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1092.009125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1092.009125][ T10] ipv6_find_idev+0x102/0x170 [ 1092.009125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1092.009125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.009125][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.009125][ T10] netlink_unicast+0x449/0x710 [ 1092.009125][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.009125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.009125][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.009125][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.009125][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.009125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.009125][ T10] [ 1092.010882][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1092.010882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1092.010882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1092.010882][ T10] ipv6_find_idev+0x102/0x170 [ 1092.010882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1092.010882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.010882][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.010882][ T10] netlink_unicast+0x449/0x710 [ 1092.010882][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.010882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.010882][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.010882][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.010882][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.010882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.010882][ T10] [ 1092.012766][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1092.013078][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1092.013078][ T10] netdev_get_by_index+0x5e/0x80 [ 1092.013078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1092.013078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1092.013078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1092.013078][ T10] ipv6_add_addr+0x411/0x2000 [ 1092.013078][ T10] inet6_addr_add+0x30e/0xa40 [ 1092.013078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1092.013078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.013078][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.013078][ T10] netlink_unicast+0x449/0x710 [ 1092.013078][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.013078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.013078][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.013078][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.013078][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.013078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.013078][ T10] [ 1092.015081][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1092.015081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1092.015081][ T10] ipv6_find_idev+0x102/0x170 [ 1092.015081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1092.015081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.015081][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.015081][ T10] netlink_unicast+0x449/0x710 [ 1092.015081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.015081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.015081][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.015081][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.015081][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.015081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.015081][ T10] [ 1092.016760][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1092.016760][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1092.016760][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1092.016760][ T10] ipv6_find_idev+0x102/0x170 [ 1092.016760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1092.016760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.016760][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.016760][ T10] netlink_unicast+0x449/0x710 [ 1092.016760][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.016760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.016760][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.016760][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.016760][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.016760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.016760][ T10] [ 1092.018603][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1092.018919][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1092.018919][ T10] netdev_get_by_index+0x5e/0x80 [ 1092.018919][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1092.018919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1092.018919][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1092.018919][ T10] ipv6_add_addr+0x411/0x2000 [ 1092.018919][ T10] inet6_addr_add+0x30e/0xa40 [ 1092.018919][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1092.018919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.018919][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.018919][ T10] netlink_unicast+0x449/0x710 [ 1092.018919][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.018919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.018919][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.018919][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.018919][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.018919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.018919][ T10] [ 1092.021072][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1092.021072][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1092.021072][ T10] ipv6_find_idev+0x102/0x170 [ 1092.021072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1092.021072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.021072][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.021072][ T10] netlink_unicast+0x449/0x710 [ 1092.021072][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.021072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.021072][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.021072][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.021072][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.021072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.021072][ T10] [ 1092.022693][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1092.022693][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1092.022693][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1092.022693][ T10] ipv6_find_idev+0x102/0x170 [ 1092.022693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1092.022693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1092.022693][ T10] netlink_rcv_skb+0x130/0x360 [ 1092.022693][ T10] netlink_unicast+0x449/0x710 [ 1092.022693][ T10] netlink_sendmsg+0x723/0xbe0 [ 1092.022693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1092.022693][ T10] ___sys_sendmsg+0xee/0x170 [ 1092.022693][ T10] __sys_sendmsg+0xcd/0x170 [ 1092.022693][ T10] do_syscall_64+0xc6/0x1e0 [ 1092.022693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1092.022693][ T10] [ 1102.168121][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1102.168441][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1102.168441][ T10] netdev_get_by_index+0x5e/0x80 [ 1102.168441][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1102.168441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1102.168441][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1102.168441][ T10] ipv6_add_addr+0x411/0x2000 [ 1102.168441][ T10] inet6_addr_add+0x30e/0xa40 [ 1102.168441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1102.168441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.168441][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.168441][ T10] netlink_unicast+0x449/0x710 [ 1102.168441][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.168441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.168441][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.168441][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.168441][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.168441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.168441][ T10] [ 1102.170458][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1102.170458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1102.170458][ T10] ipv6_find_idev+0x102/0x170 [ 1102.170458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.170458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.170458][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.170458][ T10] netlink_unicast+0x449/0x710 [ 1102.170458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.170458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.170458][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.170458][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.170458][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.170458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.170458][ T10] [ 1102.172196][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1102.172196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1102.172196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1102.172196][ T10] ipv6_find_idev+0x102/0x170 [ 1102.172196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.172196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.172196][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.172196][ T10] netlink_unicast+0x449/0x710 [ 1102.172196][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.172196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.172196][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.172196][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.172196][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.172196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.172196][ T10] [ 1102.174008][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1102.174355][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1102.174355][ T10] netdev_get_by_index+0x5e/0x80 [ 1102.174355][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1102.174355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1102.174355][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1102.174355][ T10] ipv6_add_addr+0x411/0x2000 [ 1102.174355][ T10] inet6_addr_add+0x30e/0xa40 [ 1102.174355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1102.174355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.174355][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.174355][ T10] netlink_unicast+0x449/0x710 [ 1102.174355][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.174355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.174355][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.174355][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.174355][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.174355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.174355][ T10] [ 1102.176319][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1102.176319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1102.176319][ T10] ipv6_find_idev+0x102/0x170 [ 1102.176319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.176319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.176319][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.176319][ T10] netlink_unicast+0x449/0x710 [ 1102.176319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.176319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.176319][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.176319][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.176319][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.176319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.176319][ T10] [ 1102.178042][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1102.178042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1102.178042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1102.178042][ T10] ipv6_find_idev+0x102/0x170 [ 1102.178042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.178042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.178042][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.178042][ T10] netlink_unicast+0x449/0x710 [ 1102.178042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.178042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.178042][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.178042][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.178042][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.178042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.178042][ T10] [ 1102.179969][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1102.180244][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1102.180244][ T10] netdev_get_by_index+0x5e/0x80 [ 1102.180244][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1102.180244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1102.180244][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1102.180244][ T10] ipv6_add_addr+0x411/0x2000 [ 1102.180244][ T10] inet6_addr_add+0x30e/0xa40 [ 1102.180244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1102.180244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.180244][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.180244][ T10] netlink_unicast+0x449/0x710 [ 1102.180244][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.180244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.180244][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.180244][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.180244][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.180244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.180244][ T10] [ 1102.182421][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1102.182421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1102.182421][ T10] ipv6_find_idev+0x102/0x170 [ 1102.182421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.182421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.182421][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.182421][ T10] netlink_unicast+0x449/0x710 [ 1102.182421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.182421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.182421][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.182421][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.182421][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.182421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.182421][ T10] [ 1102.184134][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1102.184134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1102.184134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1102.184134][ T10] ipv6_find_idev+0x102/0x170 [ 1102.184134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.184134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.184134][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.184134][ T10] netlink_unicast+0x449/0x710 [ 1102.184134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.184134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.184134][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.184134][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.184134][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.184134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.184134][ T10] [ 1102.185934][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1102.186707][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1102.186707][ T10] netdev_get_by_index+0x5e/0x80 [ 1102.186707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1102.186707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1102.186707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1102.186707][ T10] ipv6_add_addr+0x411/0x2000 [ 1102.186707][ T10] inet6_addr_add+0x30e/0xa40 [ 1102.186707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1102.186707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.186707][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.186707][ T10] netlink_unicast+0x449/0x710 [ 1102.186707][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.186707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.186707][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.186707][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.186707][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.186707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.186707][ T10] [ 1102.188698][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1102.188698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1102.188698][ T10] ipv6_find_idev+0x102/0x170 [ 1102.188698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.188698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.188698][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.188698][ T10] netlink_unicast+0x449/0x710 [ 1102.188698][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.188698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.188698][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.188698][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.188698][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.188698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.188698][ T10] [ 1102.190222][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1102.190222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1102.190222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1102.190222][ T10] ipv6_find_idev+0x102/0x170 [ 1102.190222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.190222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.190222][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.190222][ T10] netlink_unicast+0x449/0x710 [ 1102.190222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.190222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.190222][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.190222][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.190222][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.190222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.190222][ T10] [ 1102.191897][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1102.192249][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1102.192249][ T10] netdev_get_by_index+0x5e/0x80 [ 1102.192249][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1102.192249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1102.192249][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1102.192249][ T10] ipv6_add_addr+0x411/0x2000 [ 1102.192249][ T10] inet6_addr_add+0x30e/0xa40 [ 1102.192249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1102.192249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.192249][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.192249][ T10] netlink_unicast+0x449/0x710 [ 1102.192249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.192249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.192249][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.192249][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.192249][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.192249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.192249][ T10] [ 1102.194370][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1102.194370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1102.194370][ T10] ipv6_find_idev+0x102/0x170 [ 1102.194370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.194370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.194370][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.194370][ T10] netlink_unicast+0x449/0x710 [ 1102.194370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.194370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.194370][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.194370][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.194370][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.194370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.194370][ T10] [ 1102.195928][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1102.195928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1102.195928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1102.195928][ T10] ipv6_find_idev+0x102/0x170 [ 1102.195928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.195928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.195928][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.195928][ T10] netlink_unicast+0x449/0x710 [ 1102.195928][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.195928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.195928][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.195928][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.195928][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.195928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.195928][ T10] [ 1102.197862][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1102.198128][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1102.198128][ T10] netdev_get_by_index+0x5e/0x80 [ 1102.198128][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1102.198128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1102.198128][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1102.198128][ T10] ipv6_add_addr+0x411/0x2000 [ 1102.198128][ T10] inet6_addr_add+0x30e/0xa40 [ 1102.198128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1102.198128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.198128][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.198128][ T10] netlink_unicast+0x449/0x710 [ 1102.198128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.198128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.198128][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.198128][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.198128][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.198128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.198128][ T10] [ 1102.200092][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1102.200092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1102.200092][ T10] ipv6_find_idev+0x102/0x170 [ 1102.200092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.200092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.200092][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.200092][ T10] netlink_unicast+0x449/0x710 [ 1102.200092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.200092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.200092][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.200092][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.200092][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.200092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.200092][ T10] [ 1102.201574][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1102.201574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1102.201574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1102.201574][ T10] ipv6_find_idev+0x102/0x170 [ 1102.201574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.201574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.201574][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.201574][ T10] netlink_unicast+0x449/0x710 [ 1102.201574][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.201574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.201574][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.201574][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.201574][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.201574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.201574][ T10] [ 1102.203314][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1102.203577][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1102.203577][ T10] netdev_get_by_index+0x5e/0x80 [ 1102.203577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1102.203577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1102.203577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1102.203577][ T10] ipv6_add_addr+0x411/0x2000 [ 1102.203577][ T10] inet6_addr_add+0x30e/0xa40 [ 1102.203577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1102.203577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.203577][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.203577][ T10] netlink_unicast+0x449/0x710 [ 1102.203577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.203577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.203577][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.203577][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.203577][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.203577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.203577][ T10] [ 1102.205541][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1102.205541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1102.205541][ T10] ipv6_find_idev+0x102/0x170 [ 1102.205541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.205541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.205541][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.205541][ T10] netlink_unicast+0x449/0x710 [ 1102.205541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.205541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.205541][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.205541][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.205541][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.205541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.205541][ T10] [ 1102.207061][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1102.207061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1102.207061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1102.207061][ T10] ipv6_find_idev+0x102/0x170 [ 1102.207061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.207061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.207061][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.207061][ T10] netlink_unicast+0x449/0x710 [ 1102.207061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.207061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.207061][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.207061][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.207061][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.207061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.207061][ T10] [ 1102.208956][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1102.209290][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1102.209290][ T10] netdev_get_by_index+0x5e/0x80 [ 1102.209290][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1102.209290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1102.209290][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1102.209290][ T10] ipv6_add_addr+0x411/0x2000 [ 1102.209290][ T10] inet6_addr_add+0x30e/0xa40 [ 1102.209290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1102.209290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.209290][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.209290][ T10] netlink_unicast+0x449/0x710 [ 1102.209290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.209290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.209290][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.209290][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.209290][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.209290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.209290][ T10] [ 1102.211258][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1102.211258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1102.211258][ T10] ipv6_find_idev+0x102/0x170 [ 1102.211258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.211258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.211258][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.211258][ T10] netlink_unicast+0x449/0x710 [ 1102.211258][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.211258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.211258][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.211258][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.211258][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.211258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.211258][ T10] [ 1102.212997][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1102.212997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1102.212997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1102.212997][ T10] ipv6_find_idev+0x102/0x170 [ 1102.212997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1102.212997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1102.212997][ T10] netlink_rcv_skb+0x130/0x360 [ 1102.212997][ T10] netlink_unicast+0x449/0x710 [ 1102.212997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1102.212997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1102.212997][ T10] ___sys_sendmsg+0xee/0x170 [ 1102.212997][ T10] __sys_sendmsg+0xcd/0x170 [ 1102.212997][ T10] do_syscall_64+0xc6/0x1e0 [ 1102.212997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1102.212997][ T10] [ 1112.432200][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1112.432545][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1112.432545][ T10] netdev_get_by_index+0x5e/0x80 [ 1112.432545][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1112.432545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1112.432545][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1112.432545][ T10] ipv6_add_addr+0x411/0x2000 [ 1112.432545][ T10] inet6_addr_add+0x30e/0xa40 [ 1112.432545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.432545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.432545][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.432545][ T10] netlink_unicast+0x449/0x710 [ 1112.432545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.432545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.432545][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.432545][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.432545][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.432545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.432545][ T10] [ 1112.434609][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1112.434609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1112.434609][ T10] ipv6_find_idev+0x102/0x170 [ 1112.434609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.434609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.434609][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.434609][ T10] netlink_unicast+0x449/0x710 [ 1112.434609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.434609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.434609][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.434609][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.434609][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.434609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.434609][ T10] [ 1112.436178][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1112.436178][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1112.436178][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1112.436178][ T10] ipv6_find_idev+0x102/0x170 [ 1112.436178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.436178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.436178][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.436178][ T10] netlink_unicast+0x449/0x710 [ 1112.436178][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.436178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.436178][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.436178][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.436178][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.436178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.436178][ T10] [ 1112.437837][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1112.438109][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1112.438109][ T10] netdev_get_by_index+0x5e/0x80 [ 1112.438109][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1112.438109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1112.438109][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1112.438109][ T10] ipv6_add_addr+0x411/0x2000 [ 1112.438109][ T10] inet6_addr_add+0x30e/0xa40 [ 1112.438109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.438109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.438109][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.438109][ T10] netlink_unicast+0x449/0x710 [ 1112.438109][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.438109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.438109][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.438109][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.438109][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.438109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.438109][ T10] [ 1112.440295][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1112.440295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1112.440295][ T10] ipv6_find_idev+0x102/0x170 [ 1112.440295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.440295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.440295][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.440295][ T10] netlink_unicast+0x449/0x710 [ 1112.440295][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.440295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.440295][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.440295][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.440295][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.440295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.440295][ T10] [ 1112.441990][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1112.441990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1112.441990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1112.441990][ T10] ipv6_find_idev+0x102/0x170 [ 1112.441990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.441990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.441990][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.441990][ T10] netlink_unicast+0x449/0x710 [ 1112.441990][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.441990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.441990][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.441990][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.441990][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.441990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.441990][ T10] [ 1112.443795][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1112.444061][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1112.444061][ T10] netdev_get_by_index+0x5e/0x80 [ 1112.444061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1112.444061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1112.444061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1112.444061][ T10] ipv6_add_addr+0x411/0x2000 [ 1112.444061][ T10] inet6_addr_add+0x30e/0xa40 [ 1112.444061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.444061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.444061][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.444061][ T10] netlink_unicast+0x449/0x710 [ 1112.444061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.444061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.444061][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.444061][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.444061][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.444061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.444061][ T10] [ 1112.446338][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1112.446338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1112.446338][ T10] ipv6_find_idev+0x102/0x170 [ 1112.446338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.446338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.446338][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.446338][ T10] netlink_unicast+0x449/0x710 [ 1112.446338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.446338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.446338][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.446338][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.446338][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.446338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.446338][ T10] [ 1112.448019][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1112.448019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1112.448019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1112.448019][ T10] ipv6_find_idev+0x102/0x170 [ 1112.448019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.448019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.448019][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.448019][ T10] netlink_unicast+0x449/0x710 [ 1112.448019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.448019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.448019][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.448019][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.448019][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.448019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.448019][ T10] [ 1112.449879][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1112.450216][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1112.450216][ T10] netdev_get_by_index+0x5e/0x80 [ 1112.450216][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1112.450216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1112.450216][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1112.450216][ T10] ipv6_add_addr+0x411/0x2000 [ 1112.450216][ T10] inet6_addr_add+0x30e/0xa40 [ 1112.450216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.450216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.450216][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.450216][ T10] netlink_unicast+0x449/0x710 [ 1112.450216][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.450216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.450216][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.450216][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.450216][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.450216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.450216][ T10] [ 1112.452334][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1112.452334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1112.452334][ T10] ipv6_find_idev+0x102/0x170 [ 1112.452334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.452334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.452334][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.452334][ T10] netlink_unicast+0x449/0x710 [ 1112.452334][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.452334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.452334][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.452334][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.452334][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.452334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.452334][ T10] [ 1112.453897][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1112.453897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1112.453897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1112.453897][ T10] ipv6_find_idev+0x102/0x170 [ 1112.453897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.453897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.453897][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.453897][ T10] netlink_unicast+0x449/0x710 [ 1112.453897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.453897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.453897][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.453897][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.453897][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.453897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.453897][ T10] [ 1112.455714][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1112.456034][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1112.456034][ T10] netdev_get_by_index+0x5e/0x80 [ 1112.456034][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1112.456034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1112.456034][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1112.456034][ T10] ipv6_add_addr+0x411/0x2000 [ 1112.456034][ T10] inet6_addr_add+0x30e/0xa40 [ 1112.456034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.456034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.456034][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.456034][ T10] netlink_unicast+0x449/0x710 [ 1112.456034][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.456034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.456034][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.456034][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.456034][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.456034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.456034][ T10] [ 1112.458057][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1112.458057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1112.458057][ T10] ipv6_find_idev+0x102/0x170 [ 1112.458057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.458057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.458057][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.458057][ T10] netlink_unicast+0x449/0x710 [ 1112.458057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.458057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.458057][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.458057][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.458057][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.458057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.458057][ T10] [ 1112.459651][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1112.459651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1112.459651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1112.459651][ T10] ipv6_find_idev+0x102/0x170 [ 1112.459651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.459651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.459651][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.459651][ T10] netlink_unicast+0x449/0x710 [ 1112.459651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.459651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.459651][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.459651][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.459651][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.459651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.459651][ T10] [ 1112.461506][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1112.461818][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1112.461818][ T10] netdev_get_by_index+0x5e/0x80 [ 1112.461818][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1112.461818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1112.461818][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1112.461818][ T10] ipv6_add_addr+0x411/0x2000 [ 1112.461818][ T10] inet6_addr_add+0x30e/0xa40 [ 1112.461818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.461818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.461818][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.461818][ T10] netlink_unicast+0x449/0x710 [ 1112.461818][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.461818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.461818][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.461818][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.461818][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.461818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.461818][ T10] [ 1112.463884][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1112.463884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1112.463884][ T10] ipv6_find_idev+0x102/0x170 [ 1112.463884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.463884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.463884][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.463884][ T10] netlink_unicast+0x449/0x710 [ 1112.463884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.463884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.463884][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.463884][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.463884][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.463884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.463884][ T10] [ 1112.465481][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1112.465481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1112.465481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1112.465481][ T10] ipv6_find_idev+0x102/0x170 [ 1112.465481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.465481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.465481][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.465481][ T10] netlink_unicast+0x449/0x710 [ 1112.465481][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.465481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.465481][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.465481][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.465481][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.465481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.465481][ T10] [ 1112.467440][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1112.467757][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1112.467757][ T10] netdev_get_by_index+0x5e/0x80 [ 1112.467757][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1112.467757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1112.467757][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1112.467757][ T10] ipv6_add_addr+0x411/0x2000 [ 1112.467757][ T10] inet6_addr_add+0x30e/0xa40 [ 1112.467757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.467757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.467757][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.467757][ T10] netlink_unicast+0x449/0x710 [ 1112.467757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.467757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.467757][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.467757][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.467757][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.467757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.467757][ T10] [ 1112.469780][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1112.469780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1112.469780][ T10] ipv6_find_idev+0x102/0x170 [ 1112.469780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.469780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.469780][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.469780][ T10] netlink_unicast+0x449/0x710 [ 1112.469780][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.469780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.469780][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.469780][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.469780][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.469780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.469780][ T10] [ 1112.471339][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1112.471339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1112.471339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1112.471339][ T10] ipv6_find_idev+0x102/0x170 [ 1112.471339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.471339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.471339][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.471339][ T10] netlink_unicast+0x449/0x710 [ 1112.471339][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.471339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.471339][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.471339][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.471339][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.471339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.471339][ T10] [ 1112.473343][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1112.473798][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1112.473798][ T10] netdev_get_by_index+0x5e/0x80 [ 1112.473798][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1112.473798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1112.473798][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1112.473798][ T10] ipv6_add_addr+0x411/0x2000 [ 1112.473798][ T10] inet6_addr_add+0x30e/0xa40 [ 1112.473798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1112.473798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.473798][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.473798][ T10] netlink_unicast+0x449/0x710 [ 1112.473798][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.473798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.473798][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.473798][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.473798][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.473798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.473798][ T10] [ 1112.475949][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1112.475949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1112.475949][ T10] ipv6_find_idev+0x102/0x170 [ 1112.475949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.475949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.475949][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.475949][ T10] netlink_unicast+0x449/0x710 [ 1112.475949][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.475949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.475949][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.475949][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.475949][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.475949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.475949][ T10] [ 1112.477724][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1112.477724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1112.477724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1112.477724][ T10] ipv6_find_idev+0x102/0x170 [ 1112.477724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1112.477724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1112.477724][ T10] netlink_rcv_skb+0x130/0x360 [ 1112.477724][ T10] netlink_unicast+0x449/0x710 [ 1112.477724][ T10] netlink_sendmsg+0x723/0xbe0 [ 1112.477724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1112.477724][ T10] ___sys_sendmsg+0xee/0x170 [ 1112.477724][ T10] __sys_sendmsg+0xcd/0x170 [ 1112.477724][ T10] do_syscall_64+0xc6/0x1e0 [ 1112.477724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1112.477724][ T10] [ 1122.600117][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1122.600436][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1122.600436][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.600436][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1122.600436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.600436][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1122.600436][ T10] ipv6_add_addr+0x411/0x2000 [ 1122.600436][ T10] inet6_addr_add+0x30e/0xa40 [ 1122.600436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.600436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.600436][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.600436][ T10] netlink_unicast+0x449/0x710 [ 1122.600436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.600436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.600436][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.600436][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.600436][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.600436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.600436][ T10] [ 1122.602430][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1122.602430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1122.602430][ T10] ipv6_find_idev+0x102/0x170 [ 1122.602430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.602430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.602430][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.602430][ T10] netlink_unicast+0x449/0x710 [ 1122.602430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.602430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.602430][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.602430][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.602430][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.602430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.602430][ T10] [ 1122.603920][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1122.603920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1122.603920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1122.603920][ T10] ipv6_find_idev+0x102/0x170 [ 1122.603920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.603920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.603920][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.603920][ T10] netlink_unicast+0x449/0x710 [ 1122.603920][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.603920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.603920][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.603920][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.603920][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.603920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.603920][ T10] [ 1122.605540][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1122.605796][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1122.605796][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.605796][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1122.605796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.605796][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1122.605796][ T10] ipv6_add_addr+0x411/0x2000 [ 1122.605796][ T10] inet6_addr_add+0x30e/0xa40 [ 1122.605796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.605796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.605796][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.605796][ T10] netlink_unicast+0x449/0x710 [ 1122.605796][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.605796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.605796][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.605796][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.605796][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.605796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.605796][ T10] [ 1122.607757][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1122.607757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1122.607757][ T10] ipv6_find_idev+0x102/0x170 [ 1122.607757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.607757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.607757][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.607757][ T10] netlink_unicast+0x449/0x710 [ 1122.607757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.607757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.607757][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.607757][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.607757][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.607757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.607757][ T10] [ 1122.609247][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1122.609247][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1122.609247][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1122.609247][ T10] ipv6_find_idev+0x102/0x170 [ 1122.609247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.609247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.609247][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.609247][ T10] netlink_unicast+0x449/0x710 [ 1122.609247][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.609247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.609247][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.609247][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.609247][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.609247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.609247][ T10] [ 1122.611352][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1122.611618][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1122.611618][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.611618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1122.611618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.611618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1122.611618][ T10] ipv6_add_addr+0x411/0x2000 [ 1122.611618][ T10] inet6_addr_add+0x30e/0xa40 [ 1122.611618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.611618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.611618][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.611618][ T10] netlink_unicast+0x449/0x710 [ 1122.611618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.611618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.611618][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.611618][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.611618][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.611618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.611618][ T10] [ 1122.613571][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1122.613571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1122.613571][ T10] ipv6_find_idev+0x102/0x170 [ 1122.613571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.613571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.613571][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.613571][ T10] netlink_unicast+0x449/0x710 [ 1122.613571][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.613571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.613571][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.613571][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.613571][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.613571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.613571][ T10] [ 1122.615087][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1122.615087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1122.615087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1122.615087][ T10] ipv6_find_idev+0x102/0x170 [ 1122.615087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.615087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.615087][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.615087][ T10] netlink_unicast+0x449/0x710 [ 1122.615087][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.615087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.615087][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.615087][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.615087][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.615087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.615087][ T10] [ 1122.616968][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1122.617285][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1122.617285][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.617285][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1122.617285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.617285][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1122.617285][ T10] ipv6_add_addr+0x411/0x2000 [ 1122.617285][ T10] inet6_addr_add+0x30e/0xa40 [ 1122.617285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.617285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.617285][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.617285][ T10] netlink_unicast+0x449/0x710 [ 1122.617285][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.617285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.617285][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.617285][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.617285][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.617285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.617285][ T10] [ 1122.619322][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1122.619322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1122.619322][ T10] ipv6_find_idev+0x102/0x170 [ 1122.619322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.619322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.619322][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.619322][ T10] netlink_unicast+0x449/0x710 [ 1122.619322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.619322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.619322][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.619322][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.619322][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.619322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.619322][ T10] [ 1122.620956][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1122.620956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1122.620956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1122.620956][ T10] ipv6_find_idev+0x102/0x170 [ 1122.620956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.620956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.620956][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.620956][ T10] netlink_unicast+0x449/0x710 [ 1122.620956][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.620956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.620956][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.620956][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.620956][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.620956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.620956][ T10] [ 1122.622775][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1122.623114][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1122.623114][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.623114][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1122.623114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.623114][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1122.623114][ T10] ipv6_add_addr+0x411/0x2000 [ 1122.623114][ T10] inet6_addr_add+0x30e/0xa40 [ 1122.623114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.623114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.623114][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.623114][ T10] netlink_unicast+0x449/0x710 [ 1122.623114][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.623114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.623114][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.623114][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.623114][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.623114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.623114][ T10] [ 1122.625248][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1122.625248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1122.625248][ T10] ipv6_find_idev+0x102/0x170 [ 1122.625248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.625248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.625248][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.625248][ T10] netlink_unicast+0x449/0x710 [ 1122.625248][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.625248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.625248][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.625248][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.625248][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.625248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.625248][ T10] [ 1122.626834][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1122.626834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1122.626834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1122.626834][ T10] ipv6_find_idev+0x102/0x170 [ 1122.626834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.626834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.626834][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.626834][ T10] netlink_unicast+0x449/0x710 [ 1122.626834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.626834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.626834][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.626834][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.626834][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.626834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.626834][ T10] [ 1122.628821][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1122.629090][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1122.629090][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.629090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1122.629090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.629090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1122.629090][ T10] ipv6_add_addr+0x411/0x2000 [ 1122.629090][ T10] inet6_addr_add+0x30e/0xa40 [ 1122.629090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.629090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.629090][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.629090][ T10] netlink_unicast+0x449/0x710 [ 1122.629090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.629090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.629090][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.629090][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.629090][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.629090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.629090][ T10] [ 1122.631048][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1122.631048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1122.631048][ T10] ipv6_find_idev+0x102/0x170 [ 1122.631048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.631048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.631048][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.631048][ T10] netlink_unicast+0x449/0x710 [ 1122.631048][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.631048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.631048][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.631048][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.631048][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.631048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.631048][ T10] [ 1122.632682][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1122.632682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1122.632682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1122.632682][ T10] ipv6_find_idev+0x102/0x170 [ 1122.632682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.632682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.632682][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.632682][ T10] netlink_unicast+0x449/0x710 [ 1122.632682][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.632682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.632682][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.632682][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.632682][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.632682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.632682][ T10] [ 1122.634541][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1122.634805][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1122.634805][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.634805][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1122.634805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.634805][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1122.634805][ T10] ipv6_add_addr+0x411/0x2000 [ 1122.634805][ T10] inet6_addr_add+0x30e/0xa40 [ 1122.634805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.634805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.634805][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.634805][ T10] netlink_unicast+0x449/0x710 [ 1122.634805][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.634805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.634805][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.634805][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.634805][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.634805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.634805][ T10] [ 1122.636980][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1122.636980][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1122.636980][ T10] ipv6_find_idev+0x102/0x170 [ 1122.636980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.636980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.636980][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.636980][ T10] netlink_unicast+0x449/0x710 [ 1122.636980][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.636980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.636980][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.636980][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.636980][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.636980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.636980][ T10] [ 1122.638612][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1122.638612][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1122.638612][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1122.638612][ T10] ipv6_find_idev+0x102/0x170 [ 1122.638612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.638612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.638612][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.638612][ T10] netlink_unicast+0x449/0x710 [ 1122.638612][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.638612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.638612][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.638612][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.638612][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.638612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.638612][ T10] [ 1122.640474][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1122.640800][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1122.640800][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.640800][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1122.640800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.640800][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1122.640800][ T10] ipv6_add_addr+0x411/0x2000 [ 1122.640800][ T10] inet6_addr_add+0x30e/0xa40 [ 1122.640800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.640800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.640800][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.640800][ T10] netlink_unicast+0x449/0x710 [ 1122.640800][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.640800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.640800][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.640800][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.640800][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.640800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.640800][ T10] [ 1122.642972][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1122.642972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1122.642972][ T10] ipv6_find_idev+0x102/0x170 [ 1122.642972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.642972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.642972][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.642972][ T10] netlink_unicast+0x449/0x710 [ 1122.642972][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.642972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.642972][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.642972][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.642972][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.642972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.642972][ T10] [ 1122.644679][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1122.644679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1122.644679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1122.644679][ T10] ipv6_find_idev+0x102/0x170 [ 1122.644679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.644679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.644679][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.644679][ T10] netlink_unicast+0x449/0x710 [ 1122.644679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.644679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.644679][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.644679][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.644679][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.644679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.644679][ T10] [ 1132.736209][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1132.736645][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1132.736645][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.736645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1132.736645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.736645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1132.736645][ T10] ipv6_add_addr+0x411/0x2000 [ 1132.736645][ T10] inet6_addr_add+0x30e/0xa40 [ 1132.736645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.736645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.736645][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.736645][ T10] netlink_unicast+0x449/0x710 [ 1132.736645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.736645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.736645][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.736645][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.736645][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.736645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.736645][ T10] [ 1132.738619][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1132.738619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1132.738619][ T10] ipv6_find_idev+0x102/0x170 [ 1132.738619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.738619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.738619][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.738619][ T10] netlink_unicast+0x449/0x710 [ 1132.738619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.738619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.738619][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.738619][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.738619][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.738619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.738619][ T10] [ 1132.740151][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1132.740151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1132.740151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1132.740151][ T10] ipv6_find_idev+0x102/0x170 [ 1132.740151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.740151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.740151][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.740151][ T10] netlink_unicast+0x449/0x710 [ 1132.740151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.740151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.740151][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.740151][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.740151][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.740151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.740151][ T10] [ 1132.741807][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1132.742071][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1132.742071][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.742071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1132.742071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.742071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1132.742071][ T10] ipv6_add_addr+0x411/0x2000 [ 1132.742071][ T10] inet6_addr_add+0x30e/0xa40 [ 1132.742071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.742071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.742071][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.742071][ T10] netlink_unicast+0x449/0x710 [ 1132.742071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.742071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.742071][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.742071][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.742071][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.742071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.742071][ T10] [ 1132.744043][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1132.744043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1132.744043][ T10] ipv6_find_idev+0x102/0x170 [ 1132.744043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.744043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.744043][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.744043][ T10] netlink_unicast+0x449/0x710 [ 1132.744043][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.744043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.744043][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.744043][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.744043][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.744043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.744043][ T10] [ 1132.745565][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1132.745565][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1132.745565][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1132.745565][ T10] ipv6_find_idev+0x102/0x170 [ 1132.745565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.745565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.745565][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.745565][ T10] netlink_unicast+0x449/0x710 [ 1132.745565][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.745565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.745565][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.745565][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.745565][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.745565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.745565][ T10] [ 1132.747246][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1132.747518][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1132.747518][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.747518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1132.747518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.747518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1132.747518][ T10] ipv6_add_addr+0x411/0x2000 [ 1132.747518][ T10] inet6_addr_add+0x30e/0xa40 [ 1132.747518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.747518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.747518][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.747518][ T10] netlink_unicast+0x449/0x710 [ 1132.747518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.747518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.747518][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.747518][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.747518][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.747518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.747518][ T10] [ 1132.749501][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1132.749501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1132.749501][ T10] ipv6_find_idev+0x102/0x170 [ 1132.749501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.749501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.749501][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.749501][ T10] netlink_unicast+0x449/0x710 [ 1132.749501][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.749501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.749501][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.749501][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.749501][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.749501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.749501][ T10] [ 1132.751018][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1132.751018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1132.751018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1132.751018][ T10] ipv6_find_idev+0x102/0x170 [ 1132.751018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.751018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.751018][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.751018][ T10] netlink_unicast+0x449/0x710 [ 1132.751018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.751018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.751018][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.751018][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.751018][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.751018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.751018][ T10] [ 1132.752675][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1132.752942][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1132.752942][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.752942][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1132.752942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.752942][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1132.752942][ T10] ipv6_add_addr+0x411/0x2000 [ 1132.752942][ T10] inet6_addr_add+0x30e/0xa40 [ 1132.752942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.752942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.752942][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.752942][ T10] netlink_unicast+0x449/0x710 [ 1132.752942][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.752942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.752942][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.752942][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.752942][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.752942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.752942][ T10] [ 1132.754920][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1132.754920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1132.754920][ T10] ipv6_find_idev+0x102/0x170 [ 1132.754920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.754920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.754920][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.754920][ T10] netlink_unicast+0x449/0x710 [ 1132.754920][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.754920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.754920][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.754920][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.754920][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.754920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.754920][ T10] [ 1132.756435][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1132.756435][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1132.756435][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1132.756435][ T10] ipv6_find_idev+0x102/0x170 [ 1132.756435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.756435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.756435][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.756435][ T10] netlink_unicast+0x449/0x710 [ 1132.756435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.756435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.756435][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.756435][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.756435][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.756435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.756435][ T10] [ 1132.758498][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1132.758765][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1132.758765][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.758765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1132.758765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.758765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1132.758765][ T10] ipv6_add_addr+0x411/0x2000 [ 1132.758765][ T10] inet6_addr_add+0x30e/0xa40 [ 1132.758765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.758765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.758765][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.758765][ T10] netlink_unicast+0x449/0x710 [ 1132.758765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.758765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.758765][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.758765][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.758765][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.758765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.758765][ T10] [ 1132.760729][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1132.760729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1132.760729][ T10] ipv6_find_idev+0x102/0x170 [ 1132.760729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.760729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.760729][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.760729][ T10] netlink_unicast+0x449/0x710 [ 1132.760729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.760729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.760729][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.760729][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.760729][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.760729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.760729][ T10] [ 1132.762236][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1132.762236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1132.762236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1132.762236][ T10] ipv6_find_idev+0x102/0x170 [ 1132.762236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.762236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.762236][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.762236][ T10] netlink_unicast+0x449/0x710 [ 1132.762236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.762236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.762236][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.762236][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.762236][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.762236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.762236][ T10] [ 1132.763929][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1132.764242][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1132.764242][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.764242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1132.764242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.764242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1132.764242][ T10] ipv6_add_addr+0x411/0x2000 [ 1132.764242][ T10] inet6_addr_add+0x30e/0xa40 [ 1132.764242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.764242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.764242][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.764242][ T10] netlink_unicast+0x449/0x710 [ 1132.764242][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.764242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.764242][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.764242][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.764242][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.764242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.764242][ T10] [ 1132.766336][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1132.766336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1132.766336][ T10] ipv6_find_idev+0x102/0x170 [ 1132.766336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.766336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.766336][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.766336][ T10] netlink_unicast+0x449/0x710 [ 1132.766336][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.766336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.766336][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.766336][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.766336][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.766336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.766336][ T10] [ 1132.768092][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1132.768092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1132.768092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1132.768092][ T10] ipv6_find_idev+0x102/0x170 [ 1132.768092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.768092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.768092][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.768092][ T10] netlink_unicast+0x449/0x710 [ 1132.768092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.768092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.768092][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.768092][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.768092][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.768092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.768092][ T10] [ 1132.769977][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1132.770290][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1132.770290][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.770290][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1132.770290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.770290][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1132.770290][ T10] ipv6_add_addr+0x411/0x2000 [ 1132.770290][ T10] inet6_addr_add+0x30e/0xa40 [ 1132.770290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.770290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.770290][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.770290][ T10] netlink_unicast+0x449/0x710 [ 1132.770290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.770290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.770290][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.770290][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.770290][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.770290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.770290][ T10] [ 1132.772419][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1132.772419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1132.772419][ T10] ipv6_find_idev+0x102/0x170 [ 1132.772419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.772419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.772419][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.772419][ T10] netlink_unicast+0x449/0x710 [ 1132.772419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.772419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.772419][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.772419][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.772419][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.772419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.772419][ T10] [ 1132.774105][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1132.774105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1132.774105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1132.774105][ T10] ipv6_find_idev+0x102/0x170 [ 1132.774105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.774105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.774105][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.774105][ T10] netlink_unicast+0x449/0x710 [ 1132.774105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.774105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.774105][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.774105][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.774105][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.774105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.774105][ T10] [ 1132.775971][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1132.776288][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1132.776288][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.776288][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1132.776288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.776288][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1132.776288][ T10] ipv6_add_addr+0x411/0x2000 [ 1132.776288][ T10] inet6_addr_add+0x30e/0xa40 [ 1132.776288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.776288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.776288][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.776288][ T10] netlink_unicast+0x449/0x710 [ 1132.776288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.776288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.776288][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.776288][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.776288][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.776288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.776288][ T10] [ 1132.778490][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1132.778490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1132.778490][ T10] ipv6_find_idev+0x102/0x170 [ 1132.778490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.778490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.778490][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.778490][ T10] netlink_unicast+0x449/0x710 [ 1132.778490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.778490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.778490][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.778490][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.778490][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.778490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.778490][ T10] [ 1132.780185][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1132.780185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1132.780185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1132.780185][ T10] ipv6_find_idev+0x102/0x170 [ 1132.780185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.780185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.780185][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.780185][ T10] netlink_unicast+0x449/0x710 [ 1132.780185][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.780185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.780185][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.780185][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.780185][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.780185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.780185][ T10] [ 1142.904763][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1142.905134][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1142.905134][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.905134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1142.905134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.905134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1142.905134][ T10] ipv6_add_addr+0x411/0x2000 [ 1142.905134][ T10] inet6_addr_add+0x30e/0xa40 [ 1142.905134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.905134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.905134][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.905134][ T10] netlink_unicast+0x449/0x710 [ 1142.905134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.905134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.905134][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.905134][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.905134][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.905134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.905134][ T10] [ 1142.907165][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1142.907165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1142.907165][ T10] ipv6_find_idev+0x102/0x170 [ 1142.907165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.907165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.907165][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.907165][ T10] netlink_unicast+0x449/0x710 [ 1142.907165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.907165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.907165][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.907165][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.907165][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.907165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.907165][ T10] [ 1142.908697][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1142.908697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1142.908697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1142.908697][ T10] ipv6_find_idev+0x102/0x170 [ 1142.908697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.908697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.908697][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.908697][ T10] netlink_unicast+0x449/0x710 [ 1142.908697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.908697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.908697][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.908697][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.908697][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.908697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.908697][ T10] [ 1142.910373][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1142.910639][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1142.910639][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.910639][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1142.910639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.910639][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1142.910639][ T10] ipv6_add_addr+0x411/0x2000 [ 1142.910639][ T10] inet6_addr_add+0x30e/0xa40 [ 1142.910639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.910639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.910639][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.910639][ T10] netlink_unicast+0x449/0x710 [ 1142.910639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.910639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.910639][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.910639][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.910639][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.910639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.910639][ T10] [ 1142.912612][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1142.912612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1142.912612][ T10] ipv6_find_idev+0x102/0x170 [ 1142.912612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.912612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.912612][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.912612][ T10] netlink_unicast+0x449/0x710 [ 1142.912612][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.912612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.912612][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.912612][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.912612][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.912612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.912612][ T10] [ 1142.914154][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1142.914154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1142.914154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1142.914154][ T10] ipv6_find_idev+0x102/0x170 [ 1142.914154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.914154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.914154][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.914154][ T10] netlink_unicast+0x449/0x710 [ 1142.914154][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.914154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.914154][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.914154][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.914154][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.914154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.914154][ T10] [ 1142.915886][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1142.916217][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1142.916217][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.916217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1142.916217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.916217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1142.916217][ T10] ipv6_add_addr+0x411/0x2000 [ 1142.916217][ T10] inet6_addr_add+0x30e/0xa40 [ 1142.916217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.916217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.916217][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.916217][ T10] netlink_unicast+0x449/0x710 [ 1142.916217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.916217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.916217][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.916217][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.916217][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.916217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.916217][ T10] [ 1142.918227][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1142.918227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1142.918227][ T10] ipv6_find_idev+0x102/0x170 [ 1142.918227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.918227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.918227][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.918227][ T10] netlink_unicast+0x449/0x710 [ 1142.918227][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.918227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.918227][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.918227][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.918227][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.918227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.918227][ T10] [ 1142.919777][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1142.919777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1142.919777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1142.919777][ T10] ipv6_find_idev+0x102/0x170 [ 1142.919777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.919777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.919777][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.919777][ T10] netlink_unicast+0x449/0x710 [ 1142.919777][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.919777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.919777][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.919777][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.919777][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.919777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.919777][ T10] [ 1142.921627][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1142.921950][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1142.921950][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.921950][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1142.921950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.921950][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1142.921950][ T10] ipv6_add_addr+0x411/0x2000 [ 1142.921950][ T10] inet6_addr_add+0x30e/0xa40 [ 1142.921950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.921950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.921950][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.921950][ T10] netlink_unicast+0x449/0x710 [ 1142.921950][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.921950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.921950][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.921950][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.921950][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.921950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.921950][ T10] [ 1142.924197][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1142.924197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1142.924197][ T10] ipv6_find_idev+0x102/0x170 [ 1142.924197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.924197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.924197][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.924197][ T10] netlink_unicast+0x449/0x710 [ 1142.924197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.924197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.924197][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.924197][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.924197][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.924197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.924197][ T10] [ 1142.925869][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1142.925869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1142.925869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1142.925869][ T10] ipv6_find_idev+0x102/0x170 [ 1142.925869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.925869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.925869][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.925869][ T10] netlink_unicast+0x449/0x710 [ 1142.925869][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.925869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.925869][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.925869][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.925869][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.925869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.925869][ T10] [ 1142.927779][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1142.928049][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1142.928049][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.928049][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1142.928049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.928049][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1142.928049][ T10] ipv6_add_addr+0x411/0x2000 [ 1142.928049][ T10] inet6_addr_add+0x30e/0xa40 [ 1142.928049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.928049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.928049][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.928049][ T10] netlink_unicast+0x449/0x710 [ 1142.928049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.928049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.928049][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.928049][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.928049][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.928049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.928049][ T10] [ 1142.930321][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1142.930321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1142.930321][ T10] ipv6_find_idev+0x102/0x170 [ 1142.930321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.930321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.930321][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.930321][ T10] netlink_unicast+0x449/0x710 [ 1142.930321][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.930321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.930321][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.930321][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.930321][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.930321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.930321][ T10] [ 1142.931936][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1142.931936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1142.931936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1142.931936][ T10] ipv6_find_idev+0x102/0x170 [ 1142.931936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.931936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.931936][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.931936][ T10] netlink_unicast+0x449/0x710 [ 1142.931936][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.931936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.931936][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.931936][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.931936][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.931936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.931936][ T10] [ 1142.933797][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1142.934057][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1142.934057][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.934057][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1142.934057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.934057][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1142.934057][ T10] ipv6_add_addr+0x411/0x2000 [ 1142.934057][ T10] inet6_addr_add+0x30e/0xa40 [ 1142.934057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.934057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.934057][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.934057][ T10] netlink_unicast+0x449/0x710 [ 1142.934057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.934057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.934057][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.934057][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.934057][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.934057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.934057][ T10] [ 1142.936293][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1142.936293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1142.936293][ T10] ipv6_find_idev+0x102/0x170 [ 1142.936293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.936293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.936293][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.936293][ T10] netlink_unicast+0x449/0x710 [ 1142.936293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.936293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.936293][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.936293][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.936293][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.936293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.936293][ T10] [ 1142.937953][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1142.937953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1142.937953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1142.937953][ T10] ipv6_find_idev+0x102/0x170 [ 1142.937953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.937953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.937953][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.937953][ T10] netlink_unicast+0x449/0x710 [ 1142.937953][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.937953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.937953][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.937953][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.937953][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.937953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.937953][ T10] [ 1142.939842][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1142.940171][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1142.940171][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.940171][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1142.940171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.940171][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1142.940171][ T10] ipv6_add_addr+0x411/0x2000 [ 1142.940171][ T10] inet6_addr_add+0x30e/0xa40 [ 1142.940171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.940171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.940171][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.940171][ T10] netlink_unicast+0x449/0x710 [ 1142.940171][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.940171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.940171][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.940171][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.940171][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.940171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.940171][ T10] [ 1142.942370][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1142.942370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1142.942370][ T10] ipv6_find_idev+0x102/0x170 [ 1142.942370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.942370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.942370][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.942370][ T10] netlink_unicast+0x449/0x710 [ 1142.942370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.942370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.942370][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.942370][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.942370][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.942370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.942370][ T10] [ 1142.944099][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1142.944099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1142.944099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1142.944099][ T10] ipv6_find_idev+0x102/0x170 [ 1142.944099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.944099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.944099][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.944099][ T10] netlink_unicast+0x449/0x710 [ 1142.944099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.944099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.944099][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.944099][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.944099][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.944099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.944099][ T10] [ 1142.946058][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1142.946373][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1142.946373][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.946373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1142.946373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.946373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1142.946373][ T10] ipv6_add_addr+0x411/0x2000 [ 1142.946373][ T10] inet6_addr_add+0x30e/0xa40 [ 1142.946373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.946373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.946373][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.946373][ T10] netlink_unicast+0x449/0x710 [ 1142.946373][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.946373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.946373][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.946373][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.946373][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.946373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.946373][ T10] [ 1142.948370][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1142.948370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1142.948370][ T10] ipv6_find_idev+0x102/0x170 [ 1142.948370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.948370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.948370][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.948370][ T10] netlink_unicast+0x449/0x710 [ 1142.948370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.948370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.948370][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.948370][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.948370][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.948370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.948370][ T10] [ 1142.949916][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1142.949916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1142.949916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1142.949916][ T10] ipv6_find_idev+0x102/0x170 [ 1142.949916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.949916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.949916][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.949916][ T10] netlink_unicast+0x449/0x710 [ 1142.949916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.949916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.949916][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.949916][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.949916][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.949916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.949916][ T10] [ 1153.104194][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1153.104522][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1153.104522][ T10] netdev_get_by_index+0x5e/0x80 [ 1153.104522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1153.104522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1153.104522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1153.104522][ T10] ipv6_add_addr+0x411/0x2000 [ 1153.104522][ T10] inet6_addr_add+0x30e/0xa40 [ 1153.104522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1153.104522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.104522][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.104522][ T10] netlink_unicast+0x449/0x710 [ 1153.104522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.104522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.104522][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.104522][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.104522][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.104522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.104522][ T10] [ 1153.106555][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1153.106555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1153.106555][ T10] ipv6_find_idev+0x102/0x170 [ 1153.106555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.106555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.106555][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.106555][ T10] netlink_unicast+0x449/0x710 [ 1153.106555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.106555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.106555][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.106555][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.106555][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.106555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.106555][ T10] [ 1153.108112][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1153.108112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1153.108112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1153.108112][ T10] ipv6_find_idev+0x102/0x170 [ 1153.108112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.108112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.108112][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.108112][ T10] netlink_unicast+0x449/0x710 [ 1153.108112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.108112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.108112][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.108112][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.108112][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.108112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.108112][ T10] [ 1153.109814][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1153.110083][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1153.110083][ T10] netdev_get_by_index+0x5e/0x80 [ 1153.110083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1153.110083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1153.110083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1153.110083][ T10] ipv6_add_addr+0x411/0x2000 [ 1153.110083][ T10] inet6_addr_add+0x30e/0xa40 [ 1153.110083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1153.110083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.110083][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.110083][ T10] netlink_unicast+0x449/0x710 [ 1153.110083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.110083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.110083][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.110083][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.110083][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.110083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.110083][ T10] [ 1153.112091][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1153.112091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1153.112091][ T10] ipv6_find_idev+0x102/0x170 [ 1153.112091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.112091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.112091][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.112091][ T10] netlink_unicast+0x449/0x710 [ 1153.112091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.112091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.112091][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.112091][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.112091][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.112091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.112091][ T10] [ 1153.113748][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1153.113748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1153.113748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1153.113748][ T10] ipv6_find_idev+0x102/0x170 [ 1153.113748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.113748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.113748][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.113748][ T10] netlink_unicast+0x449/0x710 [ 1153.113748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.113748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.113748][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.113748][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.113748][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.113748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.113748][ T10] [ 1153.115683][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1153.116014][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1153.116014][ T10] netdev_get_by_index+0x5e/0x80 [ 1153.116014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1153.116014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1153.116014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1153.116014][ T10] ipv6_add_addr+0x411/0x2000 [ 1153.116014][ T10] inet6_addr_add+0x30e/0xa40 [ 1153.116014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1153.116014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.116014][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.116014][ T10] netlink_unicast+0x449/0x710 [ 1153.116014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.116014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.116014][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.116014][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.116014][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.116014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.116014][ T10] [ 1153.118186][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1153.118186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1153.118186][ T10] ipv6_find_idev+0x102/0x170 [ 1153.118186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.118186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.118186][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.118186][ T10] netlink_unicast+0x449/0x710 [ 1153.118186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.118186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.118186][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.118186][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.118186][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.118186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.118186][ T10] [ 1153.119764][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1153.119764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1153.119764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1153.119764][ T10] ipv6_find_idev+0x102/0x170 [ 1153.119764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.119764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.119764][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.119764][ T10] netlink_unicast+0x449/0x710 [ 1153.119764][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.119764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.119764][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.119764][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.119764][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.119764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.119764][ T10] [ 1153.121597][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1153.121857][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1153.121857][ T10] netdev_get_by_index+0x5e/0x80 [ 1153.121857][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1153.121857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1153.121857][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1153.121857][ T10] ipv6_add_addr+0x411/0x2000 [ 1153.121857][ T10] inet6_addr_add+0x30e/0xa40 [ 1153.121857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1153.121857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.121857][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.121857][ T10] netlink_unicast+0x449/0x710 [ 1153.121857][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.121857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.121857][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.121857][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.121857][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.121857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.121857][ T10] [ 1153.123969][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1153.123969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1153.123969][ T10] ipv6_find_idev+0x102/0x170 [ 1153.123969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.123969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.123969][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.123969][ T10] netlink_unicast+0x449/0x710 [ 1153.123969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.123969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.123969][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.123969][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.123969][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.123969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.123969][ T10] [ 1153.125496][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1153.125496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1153.125496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1153.125496][ T10] ipv6_find_idev+0x102/0x170 [ 1153.125496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.125496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.125496][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.125496][ T10] netlink_unicast+0x449/0x710 [ 1153.125496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.125496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.125496][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.125496][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.125496][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.125496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.125496][ T10] [ 1153.127558][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1153.127820][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1153.127820][ T10] netdev_get_by_index+0x5e/0x80 [ 1153.127820][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1153.127820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1153.127820][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1153.127820][ T10] ipv6_add_addr+0x411/0x2000 [ 1153.127820][ T10] inet6_addr_add+0x30e/0xa40 [ 1153.127820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1153.127820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.127820][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.127820][ T10] netlink_unicast+0x449/0x710 [ 1153.127820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.127820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.127820][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.127820][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.127820][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.127820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.127820][ T10] [ 1153.129868][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1153.129868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1153.129868][ T10] ipv6_find_idev+0x102/0x170 [ 1153.129868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.129868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.129868][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.129868][ T10] netlink_unicast+0x449/0x710 [ 1153.129868][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.129868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.129868][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.129868][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.129868][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.129868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.129868][ T10] [ 1153.131607][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1153.131607][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1153.131607][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1153.131607][ T10] ipv6_find_idev+0x102/0x170 [ 1153.131607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.131607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.131607][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.131607][ T10] netlink_unicast+0x449/0x710 [ 1153.131607][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.131607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.131607][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.131607][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.131607][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.131607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.131607][ T10] [ 1153.133508][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1153.133774][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1153.133774][ T10] netdev_get_by_index+0x5e/0x80 [ 1153.133774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1153.133774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1153.133774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1153.133774][ T10] ipv6_add_addr+0x411/0x2000 [ 1153.133774][ T10] inet6_addr_add+0x30e/0xa40 [ 1153.133774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1153.133774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.133774][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.133774][ T10] netlink_unicast+0x449/0x710 [ 1153.133774][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.133774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.133774][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.133774][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.133774][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.133774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.133774][ T10] [ 1153.136032][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1153.136032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1153.136032][ T10] ipv6_find_idev+0x102/0x170 [ 1153.136032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.136032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.136032][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.136032][ T10] netlink_unicast+0x449/0x710 [ 1153.136032][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.136032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.136032][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.136032][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.136032][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.136032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.136032][ T10] [ 1153.137757][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1153.137757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1153.137757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1153.137757][ T10] ipv6_find_idev+0x102/0x170 [ 1153.137757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.137757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.137757][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.137757][ T10] netlink_unicast+0x449/0x710 [ 1153.137757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.137757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.137757][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.137757][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.137757][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.137757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.137757][ T10] [ 1153.139702][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1153.140025][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1153.140025][ T10] netdev_get_by_index+0x5e/0x80 [ 1153.140025][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1153.140025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1153.140025][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1153.140025][ T10] ipv6_add_addr+0x411/0x2000 [ 1153.140025][ T10] inet6_addr_add+0x30e/0xa40 [ 1153.140025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1153.140025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.140025][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.140025][ T10] netlink_unicast+0x449/0x710 [ 1153.140025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.140025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.140025][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.140025][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.140025][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.140025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.140025][ T10] [ 1153.142366][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1153.142366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1153.142366][ T10] ipv6_find_idev+0x102/0x170 [ 1153.142366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.142366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.142366][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.142366][ T10] netlink_unicast+0x449/0x710 [ 1153.142366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.142366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.142366][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.142366][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.142366][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.142366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.142366][ T10] [ 1153.144074][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1153.144074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1153.144074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1153.144074][ T10] ipv6_find_idev+0x102/0x170 [ 1153.144074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.144074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.144074][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.144074][ T10] netlink_unicast+0x449/0x710 [ 1153.144074][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.144074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.144074][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.144074][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.144074][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.144074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.144074][ T10] [ 1153.146003][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1153.146376][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1153.146376][ T10] netdev_get_by_index+0x5e/0x80 [ 1153.146376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1153.146376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1153.146376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1153.146376][ T10] ipv6_add_addr+0x411/0x2000 [ 1153.146376][ T10] inet6_addr_add+0x30e/0xa40 [ 1153.146376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1153.146376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.146376][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.146376][ T10] netlink_unicast+0x449/0x710 [ 1153.146376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.146376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.146376][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.146376][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.146376][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.146376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.146376][ T10] [ 1153.148630][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1153.148630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1153.148630][ T10] ipv6_find_idev+0x102/0x170 [ 1153.148630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.148630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.148630][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.148630][ T10] netlink_unicast+0x449/0x710 [ 1153.148630][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.148630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.148630][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.148630][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.148630][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.148630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.148630][ T10] [ 1153.150307][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1153.150307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1153.150307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1153.150307][ T10] ipv6_find_idev+0x102/0x170 [ 1153.150307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1153.150307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1153.150307][ T10] netlink_rcv_skb+0x130/0x360 [ 1153.150307][ T10] netlink_unicast+0x449/0x710 [ 1153.150307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1153.150307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1153.150307][ T10] ___sys_sendmsg+0xee/0x170 [ 1153.150307][ T10] __sys_sendmsg+0xcd/0x170 [ 1153.150307][ T10] do_syscall_64+0xc6/0x1e0 [ 1153.150307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1153.150307][ T10] [ 1163.192356][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1163.193058][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1163.193058][ T10] netdev_get_by_index+0x5e/0x80 [ 1163.193058][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1163.193058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1163.193058][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1163.193058][ T10] ipv6_add_addr+0x411/0x2000 [ 1163.193058][ T10] inet6_addr_add+0x30e/0xa40 [ 1163.193058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.193058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.193058][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.193058][ T10] netlink_unicast+0x449/0x710 [ 1163.193058][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.193058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.193058][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.193058][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.193058][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.193058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.193058][ T10] [ 1163.195051][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1163.195051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1163.195051][ T10] ipv6_find_idev+0x102/0x170 [ 1163.195051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.195051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.195051][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.195051][ T10] netlink_unicast+0x449/0x710 [ 1163.195051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.195051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.195051][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.195051][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.195051][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.195051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.195051][ T10] [ 1163.196593][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1163.196593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1163.196593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1163.196593][ T10] ipv6_find_idev+0x102/0x170 [ 1163.196593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.196593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.196593][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.196593][ T10] netlink_unicast+0x449/0x710 [ 1163.196593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.196593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.196593][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.196593][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.196593][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.196593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.196593][ T10] [ 1163.198279][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1163.198554][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1163.198554][ T10] netdev_get_by_index+0x5e/0x80 [ 1163.198554][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1163.198554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1163.198554][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1163.198554][ T10] ipv6_add_addr+0x411/0x2000 [ 1163.198554][ T10] inet6_addr_add+0x30e/0xa40 [ 1163.198554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.198554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.198554][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.198554][ T10] netlink_unicast+0x449/0x710 [ 1163.198554][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.198554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.198554][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.198554][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.198554][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.198554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.198554][ T10] [ 1163.200539][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1163.200539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1163.200539][ T10] ipv6_find_idev+0x102/0x170 [ 1163.200539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.200539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.200539][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.200539][ T10] netlink_unicast+0x449/0x710 [ 1163.200539][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.200539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.200539][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.200539][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.200539][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.200539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.200539][ T10] [ 1163.202051][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1163.202051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1163.202051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1163.202051][ T10] ipv6_find_idev+0x102/0x170 [ 1163.202051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.202051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.202051][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.202051][ T10] netlink_unicast+0x449/0x710 [ 1163.202051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.202051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.202051][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.202051][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.202051][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.202051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.202051][ T10] [ 1163.203732][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1163.203997][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1163.203997][ T10] netdev_get_by_index+0x5e/0x80 [ 1163.203997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1163.203997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1163.203997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1163.203997][ T10] ipv6_add_addr+0x411/0x2000 [ 1163.203997][ T10] inet6_addr_add+0x30e/0xa40 [ 1163.203997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.203997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.203997][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.203997][ T10] netlink_unicast+0x449/0x710 [ 1163.203997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.203997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.203997][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.203997][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.203997][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.203997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.203997][ T10] [ 1163.206005][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1163.206005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1163.206005][ T10] ipv6_find_idev+0x102/0x170 [ 1163.206005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.206005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.206005][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.206005][ T10] netlink_unicast+0x449/0x710 [ 1163.206005][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.206005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.206005][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.206005][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.206005][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.206005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.206005][ T10] [ 1163.207508][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1163.207508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1163.207508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1163.207508][ T10] ipv6_find_idev+0x102/0x170 [ 1163.207508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.207508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.207508][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.207508][ T10] netlink_unicast+0x449/0x710 [ 1163.207508][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.207508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.207508][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.207508][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.207508][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.207508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.207508][ T10] [ 1163.209290][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1163.209563][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1163.209563][ T10] netdev_get_by_index+0x5e/0x80 [ 1163.209563][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1163.209563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1163.209563][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1163.209563][ T10] ipv6_add_addr+0x411/0x2000 [ 1163.209563][ T10] inet6_addr_add+0x30e/0xa40 [ 1163.209563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.209563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.209563][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.209563][ T10] netlink_unicast+0x449/0x710 [ 1163.209563][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.209563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.209563][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.209563][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.209563][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.209563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.209563][ T10] [ 1163.211525][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1163.211525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1163.211525][ T10] ipv6_find_idev+0x102/0x170 [ 1163.211525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.211525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.211525][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.211525][ T10] netlink_unicast+0x449/0x710 [ 1163.211525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.211525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.211525][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.211525][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.211525][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.211525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.211525][ T10] [ 1163.213039][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1163.213039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1163.213039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1163.213039][ T10] ipv6_find_idev+0x102/0x170 [ 1163.213039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.213039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.213039][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.213039][ T10] netlink_unicast+0x449/0x710 [ 1163.213039][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.213039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.213039][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.213039][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.213039][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.213039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.213039][ T10] [ 1163.214861][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1163.215132][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1163.215132][ T10] netdev_get_by_index+0x5e/0x80 [ 1163.215132][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1163.215132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1163.215132][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1163.215132][ T10] ipv6_add_addr+0x411/0x2000 [ 1163.215132][ T10] inet6_addr_add+0x30e/0xa40 [ 1163.215132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.215132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.215132][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.215132][ T10] netlink_unicast+0x449/0x710 [ 1163.215132][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.215132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.215132][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.215132][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.215132][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.215132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.215132][ T10] [ 1163.217095][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1163.217095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1163.217095][ T10] ipv6_find_idev+0x102/0x170 [ 1163.217095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.217095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.217095][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.217095][ T10] netlink_unicast+0x449/0x710 [ 1163.217095][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.217095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.217095][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.217095][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.217095][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.217095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.217095][ T10] [ 1163.218729][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1163.218729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1163.218729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1163.218729][ T10] ipv6_find_idev+0x102/0x170 [ 1163.218729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.218729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.218729][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.218729][ T10] netlink_unicast+0x449/0x710 [ 1163.218729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.218729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.218729][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.218729][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.218729][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.218729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.218729][ T10] [ 1163.220607][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1163.220916][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1163.220916][ T10] netdev_get_by_index+0x5e/0x80 [ 1163.220916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1163.220916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1163.220916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1163.220916][ T10] ipv6_add_addr+0x411/0x2000 [ 1163.220916][ T10] inet6_addr_add+0x30e/0xa40 [ 1163.220916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.220916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.220916][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.220916][ T10] netlink_unicast+0x449/0x710 [ 1163.220916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.220916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.220916][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.220916][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.220916][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.220916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.220916][ T10] [ 1163.223042][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1163.223042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1163.223042][ T10] ipv6_find_idev+0x102/0x170 [ 1163.223042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.223042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.223042][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.223042][ T10] netlink_unicast+0x449/0x710 [ 1163.223042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.223042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.223042][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.223042][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.223042][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.223042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.223042][ T10] [ 1163.224763][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1163.224763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1163.224763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1163.224763][ T10] ipv6_find_idev+0x102/0x170 [ 1163.224763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.224763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.224763][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.224763][ T10] netlink_unicast+0x449/0x710 [ 1163.224763][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.224763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.224763][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.224763][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.224763][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.224763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.224763][ T10] [ 1163.226710][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1163.226969][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1163.226969][ T10] netdev_get_by_index+0x5e/0x80 [ 1163.226969][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1163.226969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1163.226969][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1163.226969][ T10] ipv6_add_addr+0x411/0x2000 [ 1163.226969][ T10] inet6_addr_add+0x30e/0xa40 [ 1163.226969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.226969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.226969][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.226969][ T10] netlink_unicast+0x449/0x710 [ 1163.226969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.226969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.226969][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.226969][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.226969][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.226969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.226969][ T10] [ 1163.229175][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1163.229175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1163.229175][ T10] ipv6_find_idev+0x102/0x170 [ 1163.229175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.229175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.229175][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.229175][ T10] netlink_unicast+0x449/0x710 [ 1163.229175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.229175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.229175][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.229175][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.229175][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.229175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.229175][ T10] [ 1163.230862][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1163.230862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1163.230862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1163.230862][ T10] ipv6_find_idev+0x102/0x170 [ 1163.230862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.230862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.230862][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.230862][ T10] netlink_unicast+0x449/0x710 [ 1163.230862][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.230862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.230862][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.230862][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.230862][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.230862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.230862][ T10] [ 1163.232845][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1163.233111][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1163.233111][ T10] netdev_get_by_index+0x5e/0x80 [ 1163.233111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1163.233111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1163.233111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1163.233111][ T10] ipv6_add_addr+0x411/0x2000 [ 1163.233111][ T10] inet6_addr_add+0x30e/0xa40 [ 1163.233111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1163.233111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.233111][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.233111][ T10] netlink_unicast+0x449/0x710 [ 1163.233111][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.233111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.233111][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.233111][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.233111][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.233111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.233111][ T10] [ 1163.235313][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1163.235313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1163.235313][ T10] ipv6_find_idev+0x102/0x170 [ 1163.235313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.235313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.235313][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.235313][ T10] netlink_unicast+0x449/0x710 [ 1163.235313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.235313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.235313][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.235313][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.235313][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.235313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.235313][ T10] [ 1163.236998][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1163.236998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1163.236998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1163.236998][ T10] ipv6_find_idev+0x102/0x170 [ 1163.236998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1163.236998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1163.236998][ T10] netlink_rcv_skb+0x130/0x360 [ 1163.236998][ T10] netlink_unicast+0x449/0x710 [ 1163.236998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1163.236998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1163.236998][ T10] ___sys_sendmsg+0xee/0x170 [ 1163.236998][ T10] __sys_sendmsg+0xcd/0x170 [ 1163.236998][ T10] do_syscall_64+0xc6/0x1e0 [ 1163.236998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1163.236998][ T10] [ 1173.312117][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1173.312457][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1173.312457][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.312457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1173.312457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.312457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1173.312457][ T10] ipv6_add_addr+0x411/0x2000 [ 1173.312457][ T10] inet6_addr_add+0x30e/0xa40 [ 1173.312457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.312457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.312457][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.312457][ T10] netlink_unicast+0x449/0x710 [ 1173.312457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.312457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.312457][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.312457][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.312457][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.312457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.312457][ T10] [ 1173.314447][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1173.314447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1173.314447][ T10] ipv6_find_idev+0x102/0x170 [ 1173.314447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.314447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.314447][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.314447][ T10] netlink_unicast+0x449/0x710 [ 1173.314447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.314447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.314447][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.314447][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.314447][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.314447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.314447][ T10] [ 1173.316009][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1173.316009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1173.316009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1173.316009][ T10] ipv6_find_idev+0x102/0x170 [ 1173.316009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.316009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.316009][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.316009][ T10] netlink_unicast+0x449/0x710 [ 1173.316009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.316009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.316009][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.316009][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.316009][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.316009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.316009][ T10] [ 1173.317676][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1173.317947][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1173.317947][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.317947][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1173.317947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.317947][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1173.317947][ T10] ipv6_add_addr+0x411/0x2000 [ 1173.317947][ T10] inet6_addr_add+0x30e/0xa40 [ 1173.317947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.317947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.317947][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.317947][ T10] netlink_unicast+0x449/0x710 [ 1173.317947][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.317947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.317947][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.317947][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.317947][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.317947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.317947][ T10] [ 1173.319921][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1173.319921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1173.319921][ T10] ipv6_find_idev+0x102/0x170 [ 1173.319921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.319921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.319921][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.319921][ T10] netlink_unicast+0x449/0x710 [ 1173.319921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.319921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.319921][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.319921][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.319921][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.319921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.319921][ T10] [ 1173.321430][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1173.321430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1173.321430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1173.321430][ T10] ipv6_find_idev+0x102/0x170 [ 1173.321430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.321430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.321430][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.321430][ T10] netlink_unicast+0x449/0x710 [ 1173.321430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.321430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.321430][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.321430][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.321430][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.321430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.321430][ T10] [ 1173.323192][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1173.323462][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1173.323462][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.323462][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1173.323462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.323462][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1173.323462][ T10] ipv6_add_addr+0x411/0x2000 [ 1173.323462][ T10] inet6_addr_add+0x30e/0xa40 [ 1173.323462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.323462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.323462][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.323462][ T10] netlink_unicast+0x449/0x710 [ 1173.323462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.323462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.323462][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.323462][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.323462][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.323462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.323462][ T10] [ 1173.325430][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1173.325430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1173.325430][ T10] ipv6_find_idev+0x102/0x170 [ 1173.325430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.325430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.325430][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.325430][ T10] netlink_unicast+0x449/0x710 [ 1173.325430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.325430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.325430][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.325430][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.325430][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.325430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.325430][ T10] [ 1173.326948][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1173.326948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1173.326948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1173.326948][ T10] ipv6_find_idev+0x102/0x170 [ 1173.326948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.326948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.326948][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.326948][ T10] netlink_unicast+0x449/0x710 [ 1173.326948][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.326948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.326948][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.326948][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.326948][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.326948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.326948][ T10] [ 1173.328604][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1173.328894][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1173.328894][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.328894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1173.328894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.328894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1173.328894][ T10] ipv6_add_addr+0x411/0x2000 [ 1173.328894][ T10] inet6_addr_add+0x30e/0xa40 [ 1173.328894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.328894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.328894][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.328894][ T10] netlink_unicast+0x449/0x710 [ 1173.328894][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.328894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.328894][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.328894][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.328894][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.328894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.328894][ T10] [ 1173.330850][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1173.330850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1173.330850][ T10] ipv6_find_idev+0x102/0x170 [ 1173.330850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.330850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.330850][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.330850][ T10] netlink_unicast+0x449/0x710 [ 1173.330850][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.330850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.330850][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.330850][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.330850][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.330850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.330850][ T10] [ 1173.332486][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1173.332486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1173.332486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1173.332486][ T10] ipv6_find_idev+0x102/0x170 [ 1173.332486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.332486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.332486][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.332486][ T10] netlink_unicast+0x449/0x710 [ 1173.332486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.332486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.332486][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.332486][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.332486][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.332486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.332486][ T10] [ 1173.334670][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1173.335408][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1173.335408][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.335408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1173.335408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.335408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1173.335408][ T10] ipv6_add_addr+0x411/0x2000 [ 1173.335408][ T10] inet6_addr_add+0x30e/0xa40 [ 1173.335408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.335408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.335408][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.335408][ T10] netlink_unicast+0x449/0x710 [ 1173.335408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.335408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.335408][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.335408][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.335408][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.335408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.335408][ T10] [ 1173.337348][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1173.337348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1173.337348][ T10] ipv6_find_idev+0x102/0x170 [ 1173.337348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.337348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.337348][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.337348][ T10] netlink_unicast+0x449/0x710 [ 1173.337348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.337348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.337348][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.337348][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.337348][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.337348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.337348][ T10] [ 1173.338807][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1173.338807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1173.338807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1173.338807][ T10] ipv6_find_idev+0x102/0x170 [ 1173.338807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.338807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.338807][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.338807][ T10] netlink_unicast+0x449/0x710 [ 1173.338807][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.338807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.338807][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.338807][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.338807][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.338807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.338807][ T10] [ 1173.340754][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1173.341033][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1173.341033][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.341033][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1173.341033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.341033][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1173.341033][ T10] ipv6_add_addr+0x411/0x2000 [ 1173.341033][ T10] inet6_addr_add+0x30e/0xa40 [ 1173.341033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.341033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.341033][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.341033][ T10] netlink_unicast+0x449/0x710 [ 1173.341033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.341033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.341033][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.341033][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.341033][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.341033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.341033][ T10] [ 1173.343052][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1173.343052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1173.343052][ T10] ipv6_find_idev+0x102/0x170 [ 1173.343052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.343052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.343052][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.343052][ T10] netlink_unicast+0x449/0x710 [ 1173.343052][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.343052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.343052][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.343052][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.343052][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.343052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.343052][ T10] [ 1173.344630][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1173.344630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1173.344630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1173.344630][ T10] ipv6_find_idev+0x102/0x170 [ 1173.344630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.344630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.344630][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.344630][ T10] netlink_unicast+0x449/0x710 [ 1173.344630][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.344630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.344630][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.344630][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.344630][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.344630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.344630][ T10] [ 1173.346703][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1173.347030][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1173.347030][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.347030][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1173.347030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.347030][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1173.347030][ T10] ipv6_add_addr+0x411/0x2000 [ 1173.347030][ T10] inet6_addr_add+0x30e/0xa40 [ 1173.347030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.347030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.347030][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.347030][ T10] netlink_unicast+0x449/0x710 [ 1173.347030][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.347030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.347030][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.347030][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.347030][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.347030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.347030][ T10] [ 1173.349124][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1173.349124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1173.349124][ T10] ipv6_find_idev+0x102/0x170 [ 1173.349124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.349124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.349124][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.349124][ T10] netlink_unicast+0x449/0x710 [ 1173.349124][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.349124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.349124][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.349124][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.349124][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.349124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.349124][ T10] [ 1173.350752][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1173.350752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1173.350752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1173.350752][ T10] ipv6_find_idev+0x102/0x170 [ 1173.350752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.350752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.350752][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.350752][ T10] netlink_unicast+0x449/0x710 [ 1173.350752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.350752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.350752][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.350752][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.350752][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.350752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.350752][ T10] [ 1173.352674][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1173.352941][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1173.352941][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.352941][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1173.352941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.352941][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1173.352941][ T10] ipv6_add_addr+0x411/0x2000 [ 1173.352941][ T10] inet6_addr_add+0x30e/0xa40 [ 1173.352941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.352941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.352941][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.352941][ T10] netlink_unicast+0x449/0x710 [ 1173.352941][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.352941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.352941][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.352941][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.352941][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.352941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.352941][ T10] [ 1173.354926][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1173.354926][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1173.354926][ T10] ipv6_find_idev+0x102/0x170 [ 1173.354926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.354926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.354926][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.354926][ T10] netlink_unicast+0x449/0x710 [ 1173.354926][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.354926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.354926][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.354926][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.354926][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.354926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.354926][ T10] [ 1173.356573][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1173.356573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1173.356573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1173.356573][ T10] ipv6_find_idev+0x102/0x170 [ 1173.356573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.356573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.356573][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.356573][ T10] netlink_unicast+0x449/0x710 [ 1173.356573][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.356573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.356573][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.356573][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.356573][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.356573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.356573][ T10] [ 1183.521287][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1183.521721][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1183.521721][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.521721][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1183.521721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.521721][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1183.521721][ T10] ipv6_add_addr+0x411/0x2000 [ 1183.521721][ T10] inet6_addr_add+0x30e/0xa40 [ 1183.521721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.521721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.521721][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.521721][ T10] netlink_unicast+0x449/0x710 [ 1183.521721][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.521721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.521721][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.521721][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.521721][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.521721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.521721][ T10] [ 1183.523748][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1183.523748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1183.523748][ T10] ipv6_find_idev+0x102/0x170 [ 1183.523748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.523748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.523748][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.523748][ T10] netlink_unicast+0x449/0x710 [ 1183.523748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.523748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.523748][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.523748][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.523748][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.523748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.523748][ T10] [ 1183.525287][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1183.525287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1183.525287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1183.525287][ T10] ipv6_find_idev+0x102/0x170 [ 1183.525287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.525287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.525287][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.525287][ T10] netlink_unicast+0x449/0x710 [ 1183.525287][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.525287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.525287][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.525287][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.525287][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.525287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.525287][ T10] [ 1183.526956][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1183.527239][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1183.527239][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.527239][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1183.527239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.527239][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1183.527239][ T10] ipv6_add_addr+0x411/0x2000 [ 1183.527239][ T10] inet6_addr_add+0x30e/0xa40 [ 1183.527239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.527239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.527239][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.527239][ T10] netlink_unicast+0x449/0x710 [ 1183.527239][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.527239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.527239][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.527239][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.527239][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.527239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.527239][ T10] [ 1183.529233][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1183.529233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1183.529233][ T10] ipv6_find_idev+0x102/0x170 [ 1183.529233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.529233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.529233][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.529233][ T10] netlink_unicast+0x449/0x710 [ 1183.529233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.529233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.529233][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.529233][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.529233][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.529233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.529233][ T10] [ 1183.530757][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1183.530757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1183.530757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1183.530757][ T10] ipv6_find_idev+0x102/0x170 [ 1183.530757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.530757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.530757][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.530757][ T10] netlink_unicast+0x449/0x710 [ 1183.530757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.530757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.530757][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.530757][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.530757][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.530757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.530757][ T10] [ 1183.532356][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1183.532637][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1183.532637][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.532637][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1183.532637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.532637][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1183.532637][ T10] ipv6_add_addr+0x411/0x2000 [ 1183.532637][ T10] inet6_addr_add+0x30e/0xa40 [ 1183.532637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.532637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.532637][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.532637][ T10] netlink_unicast+0x449/0x710 [ 1183.532637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.532637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.532637][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.532637][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.532637][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.532637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.532637][ T10] [ 1183.534678][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1183.534678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1183.534678][ T10] ipv6_find_idev+0x102/0x170 [ 1183.534678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.534678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.534678][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.534678][ T10] netlink_unicast+0x449/0x710 [ 1183.534678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.534678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.534678][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.534678][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.534678][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.534678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.534678][ T10] [ 1183.536267][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1183.536267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1183.536267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1183.536267][ T10] ipv6_find_idev+0x102/0x170 [ 1183.536267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.536267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.536267][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.536267][ T10] netlink_unicast+0x449/0x710 [ 1183.536267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.536267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.536267][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.536267][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.536267][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.536267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.536267][ T10] [ 1183.538276][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1183.538579][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1183.538579][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.538579][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1183.538579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.538579][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1183.538579][ T10] ipv6_add_addr+0x411/0x2000 [ 1183.538579][ T10] inet6_addr_add+0x30e/0xa40 [ 1183.538579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.538579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.538579][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.538579][ T10] netlink_unicast+0x449/0x710 [ 1183.538579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.538579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.538579][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.538579][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.538579][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.538579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.538579][ T10] [ 1183.540590][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1183.540590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1183.540590][ T10] ipv6_find_idev+0x102/0x170 [ 1183.540590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.540590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.540590][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.540590][ T10] netlink_unicast+0x449/0x710 [ 1183.540590][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.540590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.540590][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.540590][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.540590][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.540590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.540590][ T10] [ 1183.542121][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1183.542121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1183.542121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1183.542121][ T10] ipv6_find_idev+0x102/0x170 [ 1183.542121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.542121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.542121][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.542121][ T10] netlink_unicast+0x449/0x710 [ 1183.542121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.542121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.542121][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.542121][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.542121][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.542121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.542121][ T10] [ 1183.544212][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1183.544473][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1183.544473][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.544473][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1183.544473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.544473][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1183.544473][ T10] ipv6_add_addr+0x411/0x2000 [ 1183.544473][ T10] inet6_addr_add+0x30e/0xa40 [ 1183.544473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.544473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.544473][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.544473][ T10] netlink_unicast+0x449/0x710 [ 1183.544473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.544473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.544473][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.544473][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.544473][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.544473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.544473][ T10] [ 1183.546662][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1183.546662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1183.546662][ T10] ipv6_find_idev+0x102/0x170 [ 1183.546662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.546662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.546662][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.546662][ T10] netlink_unicast+0x449/0x710 [ 1183.546662][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.546662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.546662][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.546662][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.546662][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.546662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.546662][ T10] [ 1183.548392][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1183.548392][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1183.548392][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1183.548392][ T10] ipv6_find_idev+0x102/0x170 [ 1183.548392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.548392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.548392][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.548392][ T10] netlink_unicast+0x449/0x710 [ 1183.548392][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.548392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.548392][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.548392][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.548392][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.548392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.548392][ T10] [ 1183.550302][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1183.550567][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1183.550567][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.550567][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1183.550567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.550567][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1183.550567][ T10] ipv6_add_addr+0x411/0x2000 [ 1183.550567][ T10] inet6_addr_add+0x30e/0xa40 [ 1183.550567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.550567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.550567][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.550567][ T10] netlink_unicast+0x449/0x710 [ 1183.550567][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.550567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.550567][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.550567][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.550567][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.550567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.550567][ T10] [ 1183.552755][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1183.552755][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1183.552755][ T10] ipv6_find_idev+0x102/0x170 [ 1183.552755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.552755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.552755][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.552755][ T10] netlink_unicast+0x449/0x710 [ 1183.552755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.552755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.552755][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.552755][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.552755][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.552755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.552755][ T10] [ 1183.554489][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1183.554489][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1183.554489][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1183.554489][ T10] ipv6_find_idev+0x102/0x170 [ 1183.554489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.554489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.554489][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.554489][ T10] netlink_unicast+0x449/0x710 [ 1183.554489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.554489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.554489][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.554489][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.554489][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.554489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.554489][ T10] [ 1183.556435][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1183.556700][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1183.556700][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.556700][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1183.556700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.556700][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1183.556700][ T10] ipv6_add_addr+0x411/0x2000 [ 1183.556700][ T10] inet6_addr_add+0x30e/0xa40 [ 1183.556700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.556700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.556700][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.556700][ T10] netlink_unicast+0x449/0x710 [ 1183.556700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.556700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.556700][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.556700][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.556700][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.556700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.556700][ T10] [ 1183.558862][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1183.558862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1183.558862][ T10] ipv6_find_idev+0x102/0x170 [ 1183.558862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.558862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.558862][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.558862][ T10] netlink_unicast+0x449/0x710 [ 1183.558862][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.558862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.558862][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.558862][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.558862][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.558862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.558862][ T10] [ 1183.560563][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1183.560563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1183.560563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1183.560563][ T10] ipv6_find_idev+0x102/0x170 [ 1183.560563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.560563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.560563][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.560563][ T10] netlink_unicast+0x449/0x710 [ 1183.560563][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.560563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.560563][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.560563][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.560563][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.560563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.560563][ T10] [ 1183.562415][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1183.562680][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1183.562680][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.562680][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1183.562680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.562680][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1183.562680][ T10] ipv6_add_addr+0x411/0x2000 [ 1183.562680][ T10] inet6_addr_add+0x30e/0xa40 [ 1183.562680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.562680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.562680][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.562680][ T10] netlink_unicast+0x449/0x710 [ 1183.562680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.562680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.562680][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.562680][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.562680][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.562680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.562680][ T10] [ 1183.564786][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1183.564786][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1183.564786][ T10] ipv6_find_idev+0x102/0x170 [ 1183.564786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.564786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.564786][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.564786][ T10] netlink_unicast+0x449/0x710 [ 1183.564786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.564786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.564786][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.564786][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.564786][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.564786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.564786][ T10] [ 1183.566453][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1183.566453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1183.566453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1183.566453][ T10] ipv6_find_idev+0x102/0x170 [ 1183.566453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.566453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.566453][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.566453][ T10] netlink_unicast+0x449/0x710 [ 1183.566453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.566453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.566453][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.566453][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.566453][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.566453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.566453][ T10] [ 1193.640356][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1193.641249][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1193.641249][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.641249][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1193.641249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.641249][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1193.641249][ T10] ipv6_add_addr+0x411/0x2000 [ 1193.641249][ T10] inet6_addr_add+0x30e/0xa40 [ 1193.641249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.641249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.641249][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.641249][ T10] netlink_unicast+0x449/0x710 [ 1193.641249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.641249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.641249][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.641249][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.641249][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.641249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.641249][ T10] [ 1193.643291][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1193.643291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1193.643291][ T10] ipv6_find_idev+0x102/0x170 [ 1193.643291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.643291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.643291][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.643291][ T10] netlink_unicast+0x449/0x710 [ 1193.643291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.643291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.643291][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.643291][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.643291][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.643291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.643291][ T10] [ 1193.644852][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1193.644852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1193.644852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1193.644852][ T10] ipv6_find_idev+0x102/0x170 [ 1193.644852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.644852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.644852][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.644852][ T10] netlink_unicast+0x449/0x710 [ 1193.644852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.644852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.644852][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.644852][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.644852][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.644852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.644852][ T10] [ 1193.646511][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1193.646776][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1193.646776][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.646776][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1193.646776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.646776][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1193.646776][ T10] ipv6_add_addr+0x411/0x2000 [ 1193.646776][ T10] inet6_addr_add+0x30e/0xa40 [ 1193.646776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.646776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.646776][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.646776][ T10] netlink_unicast+0x449/0x710 [ 1193.646776][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.646776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.646776][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.646776][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.646776][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.646776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.646776][ T10] [ 1193.648748][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1193.648748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1193.648748][ T10] ipv6_find_idev+0x102/0x170 [ 1193.648748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.648748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.648748][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.648748][ T10] netlink_unicast+0x449/0x710 [ 1193.648748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.648748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.648748][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.648748][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.648748][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.648748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.648748][ T10] [ 1193.650288][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1193.650288][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1193.650288][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1193.650288][ T10] ipv6_find_idev+0x102/0x170 [ 1193.650288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.650288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.650288][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.650288][ T10] netlink_unicast+0x449/0x710 [ 1193.650288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.650288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.650288][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.650288][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.650288][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.650288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.650288][ T10] [ 1193.651902][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1193.652194][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1193.652194][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.652194][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1193.652194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.652194][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1193.652194][ T10] ipv6_add_addr+0x411/0x2000 [ 1193.652194][ T10] inet6_addr_add+0x30e/0xa40 [ 1193.652194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.652194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.652194][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.652194][ T10] netlink_unicast+0x449/0x710 [ 1193.652194][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.652194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.652194][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.652194][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.652194][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.652194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.652194][ T10] [ 1193.654190][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1193.654190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1193.654190][ T10] ipv6_find_idev+0x102/0x170 [ 1193.654190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.654190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.654190][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.654190][ T10] netlink_unicast+0x449/0x710 [ 1193.654190][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.654190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.654190][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.654190][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.654190][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.654190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.654190][ T10] [ 1193.655727][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1193.655727][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1193.655727][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1193.655727][ T10] ipv6_find_idev+0x102/0x170 [ 1193.655727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.655727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.655727][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.655727][ T10] netlink_unicast+0x449/0x710 [ 1193.655727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.655727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.655727][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.655727][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.655727][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.655727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.655727][ T10] [ 1193.657382][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1193.657641][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1193.657641][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.657641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1193.657641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.657641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1193.657641][ T10] ipv6_add_addr+0x411/0x2000 [ 1193.657641][ T10] inet6_addr_add+0x30e/0xa40 [ 1193.657641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.657641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.657641][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.657641][ T10] netlink_unicast+0x449/0x710 [ 1193.657641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.657641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.657641][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.657641][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.657641][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.657641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.657641][ T10] [ 1193.659608][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1193.659608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1193.659608][ T10] ipv6_find_idev+0x102/0x170 [ 1193.659608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.659608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.659608][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.659608][ T10] netlink_unicast+0x449/0x710 [ 1193.659608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.659608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.659608][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.659608][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.659608][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.659608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.659608][ T10] [ 1193.661122][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1193.661122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1193.661122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1193.661122][ T10] ipv6_find_idev+0x102/0x170 [ 1193.661122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.661122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.661122][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.661122][ T10] netlink_unicast+0x449/0x710 [ 1193.661122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.661122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.661122][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.661122][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.661122][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.661122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.661122][ T10] [ 1193.663910][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1193.665046][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1193.665046][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.665046][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1193.665046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.665046][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1193.665046][ T10] ipv6_add_addr+0x411/0x2000 [ 1193.665046][ T10] inet6_addr_add+0x30e/0xa40 [ 1193.665046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.665046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.665046][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.665046][ T10] netlink_unicast+0x449/0x710 [ 1193.665046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.665046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.665046][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.665046][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.665046][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.665046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.665046][ T10] [ 1193.668493][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1193.668493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1193.668493][ T10] ipv6_find_idev+0x102/0x170 [ 1193.668493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.668493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.668493][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.668493][ T10] netlink_unicast+0x449/0x710 [ 1193.668493][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.668493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.668493][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.668493][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.668493][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.668493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.668493][ T10] [ 1193.671317][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1193.671317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1193.671317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1193.671317][ T10] ipv6_find_idev+0x102/0x170 [ 1193.671317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.671317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.671317][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.671317][ T10] netlink_unicast+0x449/0x710 [ 1193.671317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.671317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.671317][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.671317][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.671317][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.671317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.671317][ T10] [ 1193.673013][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1193.673337][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1193.673337][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.673337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1193.673337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.673337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1193.673337][ T10] ipv6_add_addr+0x411/0x2000 [ 1193.673337][ T10] inet6_addr_add+0x30e/0xa40 [ 1193.673337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.673337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.673337][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.673337][ T10] netlink_unicast+0x449/0x710 [ 1193.673337][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.673337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.673337][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.673337][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.673337][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.673337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.673337][ T10] [ 1193.675304][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1193.675304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1193.675304][ T10] ipv6_find_idev+0x102/0x170 [ 1193.675304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.675304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.675304][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.675304][ T10] netlink_unicast+0x449/0x710 [ 1193.675304][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.675304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.675304][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.675304][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.675304][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.675304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.675304][ T10] [ 1193.677008][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1193.677008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1193.677008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1193.677008][ T10] ipv6_find_idev+0x102/0x170 [ 1193.677008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.677008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.677008][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.677008][ T10] netlink_unicast+0x449/0x710 [ 1193.677008][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.677008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.677008][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.677008][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.677008][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.677008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.677008][ T10] [ 1193.678833][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1193.679096][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1193.679096][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.679096][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1193.679096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.679096][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1193.679096][ T10] ipv6_add_addr+0x411/0x2000 [ 1193.679096][ T10] inet6_addr_add+0x30e/0xa40 [ 1193.679096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.679096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.679096][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.679096][ T10] netlink_unicast+0x449/0x710 [ 1193.679096][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.679096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.679096][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.679096][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.679096][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.679096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.679096][ T10] [ 1193.681337][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1193.681337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1193.681337][ T10] ipv6_find_idev+0x102/0x170 [ 1193.681337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.681337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.681337][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.681337][ T10] netlink_unicast+0x449/0x710 [ 1193.681337][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.681337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.681337][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.681337][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.681337][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.681337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.681337][ T10] [ 1193.682856][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1193.682856][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1193.682856][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1193.682856][ T10] ipv6_find_idev+0x102/0x170 [ 1193.682856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.682856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.682856][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.682856][ T10] netlink_unicast+0x449/0x710 [ 1193.682856][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.682856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.682856][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.682856][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.682856][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.682856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.682856][ T10] [ 1193.684731][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1193.684992][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1193.684992][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.684992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1193.684992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.684992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1193.684992][ T10] ipv6_add_addr+0x411/0x2000 [ 1193.684992][ T10] inet6_addr_add+0x30e/0xa40 [ 1193.684992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.684992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.684992][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.684992][ T10] netlink_unicast+0x449/0x710 [ 1193.684992][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.684992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.684992][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.684992][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.684992][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.684992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.684992][ T10] [ 1193.687291][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1193.687291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1193.687291][ T10] ipv6_find_idev+0x102/0x170 [ 1193.687291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.687291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.687291][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.687291][ T10] netlink_unicast+0x449/0x710 [ 1193.687291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.687291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.687291][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.687291][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.687291][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.687291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.687291][ T10] [ 1193.688805][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1193.688805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1193.688805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1193.688805][ T10] ipv6_find_idev+0x102/0x170 [ 1193.688805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.688805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.688805][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.688805][ T10] netlink_unicast+0x449/0x710 [ 1193.688805][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.688805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.688805][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.688805][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.688805][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.688805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.688805][ T10] [ 1203.768151][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1203.768532][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1203.768532][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.768532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1203.768532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.768532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1203.768532][ T10] ipv6_add_addr+0x411/0x2000 [ 1203.768532][ T10] inet6_addr_add+0x30e/0xa40 [ 1203.768532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.768532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.768532][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.768532][ T10] netlink_unicast+0x449/0x710 [ 1203.768532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.768532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.768532][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.768532][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.768532][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.768532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.768532][ T10] [ 1203.770542][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1203.770542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1203.770542][ T10] ipv6_find_idev+0x102/0x170 [ 1203.770542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.770542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.770542][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.770542][ T10] netlink_unicast+0x449/0x710 [ 1203.770542][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.770542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.770542][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.770542][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.770542][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.770542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.770542][ T10] [ 1203.772108][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1203.772108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1203.772108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1203.772108][ T10] ipv6_find_idev+0x102/0x170 [ 1203.772108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.772108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.772108][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.772108][ T10] netlink_unicast+0x449/0x710 [ 1203.772108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.772108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.772108][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.772108][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.772108][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.772108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.772108][ T10] [ 1203.773805][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1203.774077][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1203.774077][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.774077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1203.774077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.774077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1203.774077][ T10] ipv6_add_addr+0x411/0x2000 [ 1203.774077][ T10] inet6_addr_add+0x30e/0xa40 [ 1203.774077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.774077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.774077][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.774077][ T10] netlink_unicast+0x449/0x710 [ 1203.774077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.774077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.774077][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.774077][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.774077][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.774077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.774077][ T10] [ 1203.776060][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1203.776060][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1203.776060][ T10] ipv6_find_idev+0x102/0x170 [ 1203.776060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.776060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.776060][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.776060][ T10] netlink_unicast+0x449/0x710 [ 1203.776060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.776060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.776060][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.776060][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.776060][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.776060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.776060][ T10] [ 1203.777553][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1203.777553][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1203.777553][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1203.777553][ T10] ipv6_find_idev+0x102/0x170 [ 1203.777553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.777553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.777553][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.777553][ T10] netlink_unicast+0x449/0x710 [ 1203.777553][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.777553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.777553][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.777553][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.777553][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.777553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.777553][ T10] [ 1203.779256][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1203.779521][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1203.779521][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.779521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1203.779521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.779521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1203.779521][ T10] ipv6_add_addr+0x411/0x2000 [ 1203.779521][ T10] inet6_addr_add+0x30e/0xa40 [ 1203.779521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.779521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.779521][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.779521][ T10] netlink_unicast+0x449/0x710 [ 1203.779521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.779521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.779521][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.779521][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.779521][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.779521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.779521][ T10] [ 1203.781467][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1203.781467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1203.781467][ T10] ipv6_find_idev+0x102/0x170 [ 1203.781467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.781467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.781467][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.781467][ T10] netlink_unicast+0x449/0x710 [ 1203.781467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.781467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.781467][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.781467][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.781467][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.781467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.781467][ T10] [ 1203.782975][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1203.782975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1203.782975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1203.782975][ T10] ipv6_find_idev+0x102/0x170 [ 1203.782975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.782975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.782975][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.782975][ T10] netlink_unicast+0x449/0x710 [ 1203.782975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.782975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.782975][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.782975][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.782975][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.782975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.782975][ T10] [ 1203.784669][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1203.784933][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1203.784933][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.784933][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1203.784933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.784933][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1203.784933][ T10] ipv6_add_addr+0x411/0x2000 [ 1203.784933][ T10] inet6_addr_add+0x30e/0xa40 [ 1203.784933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.784933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.784933][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.784933][ T10] netlink_unicast+0x449/0x710 [ 1203.784933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.784933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.784933][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.784933][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.784933][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.784933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.784933][ T10] [ 1203.786888][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1203.786888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1203.786888][ T10] ipv6_find_idev+0x102/0x170 [ 1203.786888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.786888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.786888][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.786888][ T10] netlink_unicast+0x449/0x710 [ 1203.786888][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.786888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.786888][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.786888][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.786888][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.786888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.786888][ T10] [ 1203.788399][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1203.788399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1203.788399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1203.788399][ T10] ipv6_find_idev+0x102/0x170 [ 1203.788399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.788399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.788399][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.788399][ T10] netlink_unicast+0x449/0x710 [ 1203.788399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.788399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.788399][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.788399][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.788399][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.788399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.788399][ T10] [ 1203.790103][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1203.790369][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1203.790369][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.790369][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1203.790369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.790369][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1203.790369][ T10] ipv6_add_addr+0x411/0x2000 [ 1203.790369][ T10] inet6_addr_add+0x30e/0xa40 [ 1203.790369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.790369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.790369][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.790369][ T10] netlink_unicast+0x449/0x710 [ 1203.790369][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.790369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.790369][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.790369][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.790369][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.790369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.790369][ T10] [ 1203.792322][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1203.792322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1203.792322][ T10] ipv6_find_idev+0x102/0x170 [ 1203.792322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.792322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.792322][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.792322][ T10] netlink_unicast+0x449/0x710 [ 1203.792322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.792322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.792322][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.792322][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.792322][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.792322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.792322][ T10] [ 1203.793826][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1203.793826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1203.793826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1203.793826][ T10] ipv6_find_idev+0x102/0x170 [ 1203.793826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.793826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.793826][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.793826][ T10] netlink_unicast+0x449/0x710 [ 1203.793826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.793826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.793826][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.793826][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.793826][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.793826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.793826][ T10] [ 1203.795518][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1203.795780][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1203.795780][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.795780][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1203.795780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.795780][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1203.795780][ T10] ipv6_add_addr+0x411/0x2000 [ 1203.795780][ T10] inet6_addr_add+0x30e/0xa40 [ 1203.795780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.795780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.795780][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.795780][ T10] netlink_unicast+0x449/0x710 [ 1203.795780][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.795780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.795780][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.795780][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.795780][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.795780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.795780][ T10] [ 1203.797729][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1203.797729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1203.797729][ T10] ipv6_find_idev+0x102/0x170 [ 1203.797729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.797729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.797729][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.797729][ T10] netlink_unicast+0x449/0x710 [ 1203.797729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.797729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.797729][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.797729][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.797729][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.797729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.797729][ T10] [ 1203.799340][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1203.799340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1203.799340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1203.799340][ T10] ipv6_find_idev+0x102/0x170 [ 1203.799340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.799340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.799340][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.799340][ T10] netlink_unicast+0x449/0x710 [ 1203.799340][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.799340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.799340][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.799340][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.799340][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.799340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.799340][ T10] [ 1203.801369][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1203.801635][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1203.801635][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.801635][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1203.801635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.801635][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1203.801635][ T10] ipv6_add_addr+0x411/0x2000 [ 1203.801635][ T10] inet6_addr_add+0x30e/0xa40 [ 1203.801635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.801635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.801635][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.801635][ T10] netlink_unicast+0x449/0x710 [ 1203.801635][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.801635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.801635][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.801635][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.801635][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.801635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.801635][ T10] [ 1203.803578][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1203.803578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1203.803578][ T10] ipv6_find_idev+0x102/0x170 [ 1203.803578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.803578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.803578][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.803578][ T10] netlink_unicast+0x449/0x710 [ 1203.803578][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.803578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.803578][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.803578][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.803578][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.803578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.803578][ T10] [ 1203.805261][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1203.805261][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1203.805261][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1203.805261][ T10] ipv6_find_idev+0x102/0x170 [ 1203.805261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.805261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.805261][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.805261][ T10] netlink_unicast+0x449/0x710 [ 1203.805261][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.805261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.805261][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.805261][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.805261][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.805261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.805261][ T10] [ 1203.807206][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1203.807471][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1203.807471][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.807471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1203.807471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.807471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1203.807471][ T10] ipv6_add_addr+0x411/0x2000 [ 1203.807471][ T10] inet6_addr_add+0x30e/0xa40 [ 1203.807471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.807471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.807471][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.807471][ T10] netlink_unicast+0x449/0x710 [ 1203.807471][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.807471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.807471][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.807471][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.807471][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.807471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.807471][ T10] [ 1203.809627][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1203.809627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1203.809627][ T10] ipv6_find_idev+0x102/0x170 [ 1203.809627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.809627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.809627][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.809627][ T10] netlink_unicast+0x449/0x710 [ 1203.809627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.809627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.809627][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.809627][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.809627][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.809627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.809627][ T10] [ 1203.811252][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1203.811252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1203.811252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1203.811252][ T10] ipv6_find_idev+0x102/0x170 [ 1203.811252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.811252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.811252][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.811252][ T10] netlink_unicast+0x449/0x710 [ 1203.811252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.811252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.811252][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.811252][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.811252][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.811252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.811252][ T10] [ 1213.920177][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1213.920555][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1213.920555][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.920555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1213.920555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.920555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1213.920555][ T10] ipv6_add_addr+0x411/0x2000 [ 1213.920555][ T10] inet6_addr_add+0x30e/0xa40 [ 1213.920555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.920555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.920555][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.920555][ T10] netlink_unicast+0x449/0x710 [ 1213.920555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.920555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.920555][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.920555][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.920555][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.920555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.920555][ T10] [ 1213.922593][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1213.922593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1213.922593][ T10] ipv6_find_idev+0x102/0x170 [ 1213.922593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.922593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.922593][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.922593][ T10] netlink_unicast+0x449/0x710 [ 1213.922593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.922593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.922593][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.922593][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.922593][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.922593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.922593][ T10] [ 1213.924169][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1213.924169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1213.924169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1213.924169][ T10] ipv6_find_idev+0x102/0x170 [ 1213.924169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.924169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.924169][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.924169][ T10] netlink_unicast+0x449/0x710 [ 1213.924169][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.924169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.924169][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.924169][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.924169][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.924169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.924169][ T10] [ 1213.925881][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1213.926167][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1213.926167][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.926167][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1213.926167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.926167][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1213.926167][ T10] ipv6_add_addr+0x411/0x2000 [ 1213.926167][ T10] inet6_addr_add+0x30e/0xa40 [ 1213.926167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.926167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.926167][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.926167][ T10] netlink_unicast+0x449/0x710 [ 1213.926167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.926167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.926167][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.926167][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.926167][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.926167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.926167][ T10] [ 1213.928158][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1213.928158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1213.928158][ T10] ipv6_find_idev+0x102/0x170 [ 1213.928158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.928158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.928158][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.928158][ T10] netlink_unicast+0x449/0x710 [ 1213.928158][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.928158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.928158][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.928158][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.928158][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.928158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.928158][ T10] [ 1213.929702][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1213.929702][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1213.929702][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1213.929702][ T10] ipv6_find_idev+0x102/0x170 [ 1213.929702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.929702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.929702][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.929702][ T10] netlink_unicast+0x449/0x710 [ 1213.929702][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.929702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.929702][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.929702][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.929702][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.929702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.929702][ T10] [ 1213.931373][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1213.931638][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1213.931638][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.931638][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1213.931638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.931638][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1213.931638][ T10] ipv6_add_addr+0x411/0x2000 [ 1213.931638][ T10] inet6_addr_add+0x30e/0xa40 [ 1213.931638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.931638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.931638][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.931638][ T10] netlink_unicast+0x449/0x710 [ 1213.931638][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.931638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.931638][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.931638][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.931638][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.931638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.931638][ T10] [ 1213.933639][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1213.933639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1213.933639][ T10] ipv6_find_idev+0x102/0x170 [ 1213.933639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.933639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.933639][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.933639][ T10] netlink_unicast+0x449/0x710 [ 1213.933639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.933639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.933639][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.933639][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.933639][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.933639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.933639][ T10] [ 1213.935197][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1213.935197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1213.935197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1213.935197][ T10] ipv6_find_idev+0x102/0x170 [ 1213.935197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.935197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.935197][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.935197][ T10] netlink_unicast+0x449/0x710 [ 1213.935197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.935197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.935197][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.935197][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.935197][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.935197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.935197][ T10] [ 1213.937285][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1213.937604][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1213.937604][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.937604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1213.937604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.937604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1213.937604][ T10] ipv6_add_addr+0x411/0x2000 [ 1213.937604][ T10] inet6_addr_add+0x30e/0xa40 [ 1213.937604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.937604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.937604][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.937604][ T10] netlink_unicast+0x449/0x710 [ 1213.937604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.937604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.937604][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.937604][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.937604][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.937604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.937604][ T10] [ 1213.939680][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1213.939680][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1213.939680][ T10] ipv6_find_idev+0x102/0x170 [ 1213.939680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.939680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.939680][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.939680][ T10] netlink_unicast+0x449/0x710 [ 1213.939680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.939680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.939680][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.939680][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.939680][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.939680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.939680][ T10] [ 1213.941472][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1213.941472][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1213.941472][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1213.941472][ T10] ipv6_find_idev+0x102/0x170 [ 1213.941472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.941472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.941472][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.941472][ T10] netlink_unicast+0x449/0x710 [ 1213.941472][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.941472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.941472][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.941472][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.941472][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.941472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.941472][ T10] [ 1213.943413][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1213.943731][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1213.943731][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.943731][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1213.943731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.943731][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1213.943731][ T10] ipv6_add_addr+0x411/0x2000 [ 1213.943731][ T10] inet6_addr_add+0x30e/0xa40 [ 1213.943731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.943731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.943731][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.943731][ T10] netlink_unicast+0x449/0x710 [ 1213.943731][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.943731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.943731][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.943731][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.943731][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.943731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.943731][ T10] [ 1213.945729][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1213.945729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1213.945729][ T10] ipv6_find_idev+0x102/0x170 [ 1213.945729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.945729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.945729][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.945729][ T10] netlink_unicast+0x449/0x710 [ 1213.945729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.945729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.945729][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.945729][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.945729][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.945729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.945729][ T10] [ 1213.947261][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1213.947261][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1213.947261][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1213.947261][ T10] ipv6_find_idev+0x102/0x170 [ 1213.947261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.947261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.947261][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.947261][ T10] netlink_unicast+0x449/0x710 [ 1213.947261][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.947261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.947261][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.947261][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.947261][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.947261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.947261][ T10] [ 1213.948995][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1213.949317][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1213.949317][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.949317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1213.949317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.949317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1213.949317][ T10] ipv6_add_addr+0x411/0x2000 [ 1213.949317][ T10] inet6_addr_add+0x30e/0xa40 [ 1213.949317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.949317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.949317][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.949317][ T10] netlink_unicast+0x449/0x710 [ 1213.949317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.949317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.949317][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.949317][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.949317][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.949317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.949317][ T10] [ 1213.951319][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1213.951319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1213.951319][ T10] ipv6_find_idev+0x102/0x170 [ 1213.951319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.951319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.951319][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.951319][ T10] netlink_unicast+0x449/0x710 [ 1213.951319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.951319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.951319][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.951319][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.951319][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.951319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.951319][ T10] [ 1213.952863][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1213.952863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1213.952863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1213.952863][ T10] ipv6_find_idev+0x102/0x170 [ 1213.952863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.952863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.952863][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.952863][ T10] netlink_unicast+0x449/0x710 [ 1213.952863][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.952863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.952863][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.952863][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.952863][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.952863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.952863][ T10] [ 1213.954657][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1213.954971][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1213.954971][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.954971][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1213.954971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.954971][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1213.954971][ T10] ipv6_add_addr+0x411/0x2000 [ 1213.954971][ T10] inet6_addr_add+0x30e/0xa40 [ 1213.954971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.954971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.954971][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.954971][ T10] netlink_unicast+0x449/0x710 [ 1213.954971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.954971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.954971][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.954971][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.954971][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.954971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.954971][ T10] [ 1213.957039][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1213.957039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1213.957039][ T10] ipv6_find_idev+0x102/0x170 [ 1213.957039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.957039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.957039][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.957039][ T10] netlink_unicast+0x449/0x710 [ 1213.957039][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.957039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.957039][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.957039][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.957039][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.957039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.957039][ T10] [ 1213.958742][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1213.958742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1213.958742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1213.958742][ T10] ipv6_find_idev+0x102/0x170 [ 1213.958742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.958742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.958742][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.958742][ T10] netlink_unicast+0x449/0x710 [ 1213.958742][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.958742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.958742][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.958742][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.958742][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.958742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.958742][ T10] [ 1213.960603][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1213.960916][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1213.960916][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.960916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1213.960916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.960916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1213.960916][ T10] ipv6_add_addr+0x411/0x2000 [ 1213.960916][ T10] inet6_addr_add+0x30e/0xa40 [ 1213.960916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.960916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.960916][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.960916][ T10] netlink_unicast+0x449/0x710 [ 1213.960916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.960916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.960916][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.960916][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.960916][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.960916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.960916][ T10] [ 1213.962923][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1213.962923][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1213.962923][ T10] ipv6_find_idev+0x102/0x170 [ 1213.962923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.962923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.962923][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.962923][ T10] netlink_unicast+0x449/0x710 [ 1213.962923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.962923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.962923][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.962923][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.962923][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.962923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.962923][ T10] [ 1213.964479][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1213.964479][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1213.964479][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1213.964479][ T10] ipv6_find_idev+0x102/0x170 [ 1213.964479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.964479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.964479][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.964479][ T10] netlink_unicast+0x449/0x710 [ 1213.964479][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.964479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.964479][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.964479][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.964479][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.964479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.964479][ T10] [ 1224.072260][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1224.072681][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1224.072681][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.072681][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1224.072681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.072681][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1224.072681][ T10] ipv6_add_addr+0x411/0x2000 [ 1224.072681][ T10] inet6_addr_add+0x30e/0xa40 [ 1224.072681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.072681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.072681][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.072681][ T10] netlink_unicast+0x449/0x710 [ 1224.072681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.072681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.072681][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.072681][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.072681][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.072681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.072681][ T10] [ 1224.074682][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1224.074682][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1224.074682][ T10] ipv6_find_idev+0x102/0x170 [ 1224.074682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.074682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.074682][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.074682][ T10] netlink_unicast+0x449/0x710 [ 1224.074682][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.074682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.074682][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.074682][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.074682][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.074682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.074682][ T10] [ 1224.076211][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1224.076211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1224.076211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1224.076211][ T10] ipv6_find_idev+0x102/0x170 [ 1224.076211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.076211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.076211][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.076211][ T10] netlink_unicast+0x449/0x710 [ 1224.076211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.076211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.076211][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.076211][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.076211][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.076211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.076211][ T10] [ 1224.077874][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1224.078142][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1224.078142][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.078142][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1224.078142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.078142][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1224.078142][ T10] ipv6_add_addr+0x411/0x2000 [ 1224.078142][ T10] inet6_addr_add+0x30e/0xa40 [ 1224.078142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.078142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.078142][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.078142][ T10] netlink_unicast+0x449/0x710 [ 1224.078142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.078142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.078142][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.078142][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.078142][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.078142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.078142][ T10] [ 1224.080116][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1224.080116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1224.080116][ T10] ipv6_find_idev+0x102/0x170 [ 1224.080116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.080116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.080116][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.080116][ T10] netlink_unicast+0x449/0x710 [ 1224.080116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.080116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.080116][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.080116][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.080116][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.080116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.080116][ T10] [ 1224.081668][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1224.081668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1224.081668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1224.081668][ T10] ipv6_find_idev+0x102/0x170 [ 1224.081668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.081668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.081668][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.081668][ T10] netlink_unicast+0x449/0x710 [ 1224.081668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.081668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.081668][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.081668][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.081668][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.081668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.081668][ T10] [ 1224.083335][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1224.083603][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1224.083603][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.083603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1224.083603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.083603][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1224.083603][ T10] ipv6_add_addr+0x411/0x2000 [ 1224.083603][ T10] inet6_addr_add+0x30e/0xa40 [ 1224.083603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.083603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.083603][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.083603][ T10] netlink_unicast+0x449/0x710 [ 1224.083603][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.083603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.083603][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.083603][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.083603][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.083603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.083603][ T10] [ 1224.085573][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1224.085573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1224.085573][ T10] ipv6_find_idev+0x102/0x170 [ 1224.085573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.085573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.085573][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.085573][ T10] netlink_unicast+0x449/0x710 [ 1224.085573][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.085573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.085573][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.085573][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.085573][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.085573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.085573][ T10] [ 1224.087059][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1224.087059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1224.087059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1224.087059][ T10] ipv6_find_idev+0x102/0x170 [ 1224.087059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.087059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.087059][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.087059][ T10] netlink_unicast+0x449/0x710 [ 1224.087059][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.087059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.087059][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.087059][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.087059][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.087059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.087059][ T10] [ 1224.088716][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1224.088974][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1224.088974][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.088974][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1224.088974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.088974][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1224.088974][ T10] ipv6_add_addr+0x411/0x2000 [ 1224.088974][ T10] inet6_addr_add+0x30e/0xa40 [ 1224.088974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.088974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.088974][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.088974][ T10] netlink_unicast+0x449/0x710 [ 1224.088974][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.088974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.088974][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.088974][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.088974][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.088974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.088974][ T10] [ 1224.090938][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1224.090938][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1224.090938][ T10] ipv6_find_idev+0x102/0x170 [ 1224.090938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.090938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.090938][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.090938][ T10] netlink_unicast+0x449/0x710 [ 1224.090938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.090938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.090938][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.090938][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.090938][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.090938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.090938][ T10] [ 1224.092593][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1224.092593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1224.092593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1224.092593][ T10] ipv6_find_idev+0x102/0x170 [ 1224.092593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.092593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.092593][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.092593][ T10] netlink_unicast+0x449/0x710 [ 1224.092593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.092593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.092593][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.092593][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.092593][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.092593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.092593][ T10] [ 1224.094461][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1224.094741][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1224.094741][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.094741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1224.094741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.094741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1224.094741][ T10] ipv6_add_addr+0x411/0x2000 [ 1224.094741][ T10] inet6_addr_add+0x30e/0xa40 [ 1224.094741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.094741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.094741][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.094741][ T10] netlink_unicast+0x449/0x710 [ 1224.094741][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.094741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.094741][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.094741][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.094741][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.094741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.094741][ T10] [ 1224.096736][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1224.096736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1224.096736][ T10] ipv6_find_idev+0x102/0x170 [ 1224.096736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.096736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.096736][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.096736][ T10] netlink_unicast+0x449/0x710 [ 1224.096736][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.096736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.096736][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.096736][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.096736][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.096736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.096736][ T10] [ 1224.098194][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1224.098194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1224.098194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1224.098194][ T10] ipv6_find_idev+0x102/0x170 [ 1224.098194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.098194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.098194][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.098194][ T10] netlink_unicast+0x449/0x710 [ 1224.098194][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.098194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.098194][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.098194][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.098194][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.098194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.098194][ T10] [ 1224.099902][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1224.100223][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1224.100223][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.100223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1224.100223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.100223][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1224.100223][ T10] ipv6_add_addr+0x411/0x2000 [ 1224.100223][ T10] inet6_addr_add+0x30e/0xa40 [ 1224.100223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.100223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.100223][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.100223][ T10] netlink_unicast+0x449/0x710 [ 1224.100223][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.100223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.100223][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.100223][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.100223][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.100223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.100223][ T10] [ 1224.102210][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1224.102210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1224.102210][ T10] ipv6_find_idev+0x102/0x170 [ 1224.102210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.102210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.102210][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.102210][ T10] netlink_unicast+0x449/0x710 [ 1224.102210][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.102210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.102210][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.102210][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.102210][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.102210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.102210][ T10] [ 1224.103849][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1224.103849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1224.103849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1224.103849][ T10] ipv6_find_idev+0x102/0x170 [ 1224.103849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.103849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.103849][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.103849][ T10] netlink_unicast+0x449/0x710 [ 1224.103849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.103849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.103849][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.103849][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.103849][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.103849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.103849][ T10] [ 1224.105734][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1224.105993][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1224.105993][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.105993][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1224.105993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.105993][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1224.105993][ T10] ipv6_add_addr+0x411/0x2000 [ 1224.105993][ T10] inet6_addr_add+0x30e/0xa40 [ 1224.105993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.105993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.105993][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.105993][ T10] netlink_unicast+0x449/0x710 [ 1224.105993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.105993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.105993][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.105993][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.105993][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.105993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.105993][ T10] [ 1224.108061][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1224.108061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1224.108061][ T10] ipv6_find_idev+0x102/0x170 [ 1224.108061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.108061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.108061][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.108061][ T10] netlink_unicast+0x449/0x710 [ 1224.108061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.108061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.108061][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.108061][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.108061][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.108061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.108061][ T10] [ 1224.109777][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1224.109777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1224.109777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1224.109777][ T10] ipv6_find_idev+0x102/0x170 [ 1224.109777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.109777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.109777][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.109777][ T10] netlink_unicast+0x449/0x710 [ 1224.109777][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.109777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.109777][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.109777][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.109777][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.109777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.109777][ T10] [ 1224.111656][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1224.111927][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1224.111927][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.111927][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1224.111927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.111927][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1224.111927][ T10] ipv6_add_addr+0x411/0x2000 [ 1224.111927][ T10] inet6_addr_add+0x30e/0xa40 [ 1224.111927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.111927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.111927][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.111927][ T10] netlink_unicast+0x449/0x710 [ 1224.111927][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.111927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.111927][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.111927][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.111927][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.111927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.111927][ T10] [ 1224.113982][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1224.113982][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1224.113982][ T10] ipv6_find_idev+0x102/0x170 [ 1224.113982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.113982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.113982][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.113982][ T10] netlink_unicast+0x449/0x710 [ 1224.113982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.113982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.113982][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.113982][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.113982][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.113982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.113982][ T10] [ 1224.115600][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1224.115600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1224.115600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1224.115600][ T10] ipv6_find_idev+0x102/0x170 [ 1224.115600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.115600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.115600][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.115600][ T10] netlink_unicast+0x449/0x710 [ 1224.115600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.115600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.115600][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.115600][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.115600][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.115600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.115600][ T10] [ 1234.192353][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1234.193408][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1234.193408][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.193408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1234.193408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.193408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1234.193408][ T10] ipv6_add_addr+0x411/0x2000 [ 1234.193408][ T10] inet6_addr_add+0x30e/0xa40 [ 1234.193408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.193408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.193408][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.193408][ T10] netlink_unicast+0x449/0x710 [ 1234.193408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.193408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.193408][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.193408][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.193408][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.193408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.193408][ T10] [ 1234.195466][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1234.195466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1234.195466][ T10] ipv6_find_idev+0x102/0x170 [ 1234.195466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.195466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.195466][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.195466][ T10] netlink_unicast+0x449/0x710 [ 1234.195466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.195466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.195466][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.195466][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.195466][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.195466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.195466][ T10] [ 1234.196982][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1234.196982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1234.196982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1234.196982][ T10] ipv6_find_idev+0x102/0x170 [ 1234.196982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.196982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.196982][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.196982][ T10] netlink_unicast+0x449/0x710 [ 1234.196982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.196982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.196982][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.196982][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.196982][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.196982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.196982][ T10] [ 1234.198630][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1234.198895][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1234.198895][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.198895][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1234.198895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.198895][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1234.198895][ T10] ipv6_add_addr+0x411/0x2000 [ 1234.198895][ T10] inet6_addr_add+0x30e/0xa40 [ 1234.198895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.198895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.198895][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.198895][ T10] netlink_unicast+0x449/0x710 [ 1234.198895][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.198895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.198895][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.198895][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.198895][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.198895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.198895][ T10] [ 1234.200886][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1234.200886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1234.200886][ T10] ipv6_find_idev+0x102/0x170 [ 1234.200886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.200886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.200886][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.200886][ T10] netlink_unicast+0x449/0x710 [ 1234.200886][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.200886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.200886][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.200886][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.200886][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.200886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.200886][ T10] [ 1234.202501][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1234.202501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1234.202501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1234.202501][ T10] ipv6_find_idev+0x102/0x170 [ 1234.202501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.202501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.202501][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.202501][ T10] netlink_unicast+0x449/0x710 [ 1234.202501][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.202501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.202501][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.202501][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.202501][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.202501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.202501][ T10] [ 1234.204218][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1234.204481][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1234.204481][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.204481][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1234.204481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.204481][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1234.204481][ T10] ipv6_add_addr+0x411/0x2000 [ 1234.204481][ T10] inet6_addr_add+0x30e/0xa40 [ 1234.204481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.204481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.204481][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.204481][ T10] netlink_unicast+0x449/0x710 [ 1234.204481][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.204481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.204481][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.204481][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.204481][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.204481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.204481][ T10] [ 1234.206463][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1234.206463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1234.206463][ T10] ipv6_find_idev+0x102/0x170 [ 1234.206463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.206463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.206463][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.206463][ T10] netlink_unicast+0x449/0x710 [ 1234.206463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.206463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.206463][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.206463][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.206463][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.206463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.206463][ T10] [ 1234.207971][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1234.207971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1234.207971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1234.207971][ T10] ipv6_find_idev+0x102/0x170 [ 1234.207971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.207971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.207971][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.207971][ T10] netlink_unicast+0x449/0x710 [ 1234.207971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.207971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.207971][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.207971][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.207971][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.207971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.207971][ T10] [ 1234.209634][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1234.209892][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1234.209892][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.209892][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1234.209892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.209892][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1234.209892][ T10] ipv6_add_addr+0x411/0x2000 [ 1234.209892][ T10] inet6_addr_add+0x30e/0xa40 [ 1234.209892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.209892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.209892][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.209892][ T10] netlink_unicast+0x449/0x710 [ 1234.209892][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.209892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.209892][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.209892][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.209892][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.209892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.209892][ T10] [ 1234.211852][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1234.211852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1234.211852][ T10] ipv6_find_idev+0x102/0x170 [ 1234.211852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.211852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.211852][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.211852][ T10] netlink_unicast+0x449/0x710 [ 1234.211852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.211852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.211852][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.211852][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.211852][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.211852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.211852][ T10] [ 1234.213365][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1234.213365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1234.213365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1234.213365][ T10] ipv6_find_idev+0x102/0x170 [ 1234.213365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.213365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.213365][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.213365][ T10] netlink_unicast+0x449/0x710 [ 1234.213365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.213365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.213365][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.213365][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.213365][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.213365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.213365][ T10] [ 1234.215051][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1234.215326][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1234.215326][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.215326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1234.215326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.215326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1234.215326][ T10] ipv6_add_addr+0x411/0x2000 [ 1234.215326][ T10] inet6_addr_add+0x30e/0xa40 [ 1234.215326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.215326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.215326][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.215326][ T10] netlink_unicast+0x449/0x710 [ 1234.215326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.215326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.215326][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.215326][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.215326][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.215326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.215326][ T10] [ 1234.217310][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1234.217310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1234.217310][ T10] ipv6_find_idev+0x102/0x170 [ 1234.217310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.217310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.217310][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.217310][ T10] netlink_unicast+0x449/0x710 [ 1234.217310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.217310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.217310][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.217310][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.217310][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.217310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.217310][ T10] [ 1234.218915][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1234.218915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1234.218915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1234.218915][ T10] ipv6_find_idev+0x102/0x170 [ 1234.218915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.218915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.218915][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.218915][ T10] netlink_unicast+0x449/0x710 [ 1234.218915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.218915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.218915][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.218915][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.218915][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.218915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.218915][ T10] [ 1234.220769][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1234.221030][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1234.221030][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.221030][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1234.221030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.221030][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1234.221030][ T10] ipv6_add_addr+0x411/0x2000 [ 1234.221030][ T10] inet6_addr_add+0x30e/0xa40 [ 1234.221030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.221030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.221030][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.221030][ T10] netlink_unicast+0x449/0x710 [ 1234.221030][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.221030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.221030][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.221030][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.221030][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.221030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.221030][ T10] [ 1234.223238][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1234.223238][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1234.223238][ T10] ipv6_find_idev+0x102/0x170 [ 1234.223238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.223238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.223238][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.223238][ T10] netlink_unicast+0x449/0x710 [ 1234.223238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.223238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.223238][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.223238][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.223238][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.223238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.223238][ T10] [ 1234.224818][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1234.224818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1234.224818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1234.224818][ T10] ipv6_find_idev+0x102/0x170 [ 1234.224818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.224818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.224818][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.224818][ T10] netlink_unicast+0x449/0x710 [ 1234.224818][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.224818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.224818][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.224818][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.224818][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.224818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.224818][ T10] [ 1234.226684][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1234.226944][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1234.226944][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.226944][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1234.226944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.226944][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1234.226944][ T10] ipv6_add_addr+0x411/0x2000 [ 1234.226944][ T10] inet6_addr_add+0x30e/0xa40 [ 1234.226944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.226944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.226944][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.226944][ T10] netlink_unicast+0x449/0x710 [ 1234.226944][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.226944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.226944][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.226944][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.226944][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.226944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.226944][ T10] [ 1234.229105][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1234.229105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1234.229105][ T10] ipv6_find_idev+0x102/0x170 [ 1234.229105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.229105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.229105][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.229105][ T10] netlink_unicast+0x449/0x710 [ 1234.229105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.229105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.229105][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.229105][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.229105][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.229105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.229105][ T10] [ 1234.230877][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1234.230877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1234.230877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1234.230877][ T10] ipv6_find_idev+0x102/0x170 [ 1234.230877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.230877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.230877][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.230877][ T10] netlink_unicast+0x449/0x710 [ 1234.230877][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.230877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.230877][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.230877][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.230877][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.230877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.230877][ T10] [ 1234.232739][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1234.233000][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1234.233000][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.233000][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1234.233000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.233000][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1234.233000][ T10] ipv6_add_addr+0x411/0x2000 [ 1234.233000][ T10] inet6_addr_add+0x30e/0xa40 [ 1234.233000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.233000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.233000][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.233000][ T10] netlink_unicast+0x449/0x710 [ 1234.233000][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.233000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.233000][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.233000][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.233000][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.233000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.233000][ T10] [ 1234.235147][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1234.235147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1234.235147][ T10] ipv6_find_idev+0x102/0x170 [ 1234.235147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.235147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.235147][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.235147][ T10] netlink_unicast+0x449/0x710 [ 1234.235147][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.235147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.235147][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.235147][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.235147][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.235147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.235147][ T10] [ 1234.236849][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1234.236849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1234.236849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1234.236849][ T10] ipv6_find_idev+0x102/0x170 [ 1234.236849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.236849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.236849][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.236849][ T10] netlink_unicast+0x449/0x710 [ 1234.236849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.236849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.236849][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.236849][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.236849][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.236849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.236849][ T10] [ 1244.376330][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1244.376653][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1244.376653][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.376653][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1244.376653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.376653][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1244.376653][ T10] ipv6_add_addr+0x411/0x2000 [ 1244.376653][ T10] inet6_addr_add+0x30e/0xa40 [ 1244.376653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.376653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.376653][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.376653][ T10] netlink_unicast+0x449/0x710 [ 1244.376653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.376653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.376653][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.376653][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.376653][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.376653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.376653][ T10] [ 1244.378675][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1244.378675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1244.378675][ T10] ipv6_find_idev+0x102/0x170 [ 1244.378675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.378675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.378675][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.378675][ T10] netlink_unicast+0x449/0x710 [ 1244.378675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.378675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.378675][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.378675][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.378675][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.378675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.378675][ T10] [ 1244.380195][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1244.380195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1244.380195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1244.380195][ T10] ipv6_find_idev+0x102/0x170 [ 1244.380195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.380195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.380195][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.380195][ T10] netlink_unicast+0x449/0x710 [ 1244.380195][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.380195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.380195][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.380195][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.380195][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.380195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.380195][ T10] [ 1244.381872][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1244.382143][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1244.382143][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.382143][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1244.382143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.382143][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1244.382143][ T10] ipv6_add_addr+0x411/0x2000 [ 1244.382143][ T10] inet6_addr_add+0x30e/0xa40 [ 1244.382143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.382143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.382143][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.382143][ T10] netlink_unicast+0x449/0x710 [ 1244.382143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.382143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.382143][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.382143][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.382143][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.382143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.382143][ T10] [ 1244.384119][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1244.384119][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1244.384119][ T10] ipv6_find_idev+0x102/0x170 [ 1244.384119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.384119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.384119][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.384119][ T10] netlink_unicast+0x449/0x710 [ 1244.384119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.384119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.384119][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.384119][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.384119][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.384119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.384119][ T10] [ 1244.385722][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1244.385722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1244.385722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1244.385722][ T10] ipv6_find_idev+0x102/0x170 [ 1244.385722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.385722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.385722][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.385722][ T10] netlink_unicast+0x449/0x710 [ 1244.385722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.385722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.385722][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.385722][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.385722][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.385722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.385722][ T10] [ 1244.387650][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1244.387980][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1244.387980][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.387980][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1244.387980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.387980][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1244.387980][ T10] ipv6_add_addr+0x411/0x2000 [ 1244.387980][ T10] inet6_addr_add+0x30e/0xa40 [ 1244.387980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.387980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.387980][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.387980][ T10] netlink_unicast+0x449/0x710 [ 1244.387980][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.387980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.387980][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.387980][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.387980][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.387980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.387980][ T10] [ 1244.390104][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1244.390104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1244.390104][ T10] ipv6_find_idev+0x102/0x170 [ 1244.390104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.390104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.390104][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.390104][ T10] netlink_unicast+0x449/0x710 [ 1244.390104][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.390104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.390104][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.390104][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.390104][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.390104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.390104][ T10] [ 1244.391762][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1244.391762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1244.391762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1244.391762][ T10] ipv6_find_idev+0x102/0x170 [ 1244.391762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.391762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.391762][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.391762][ T10] netlink_unicast+0x449/0x710 [ 1244.391762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.391762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.391762][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.391762][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.391762][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.391762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.391762][ T10] [ 1244.393614][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1244.393938][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1244.393938][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.393938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1244.393938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.393938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1244.393938][ T10] ipv6_add_addr+0x411/0x2000 [ 1244.393938][ T10] inet6_addr_add+0x30e/0xa40 [ 1244.393938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.393938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.393938][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.393938][ T10] netlink_unicast+0x449/0x710 [ 1244.393938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.393938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.393938][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.393938][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.393938][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.393938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.393938][ T10] [ 1244.396264][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1244.396264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1244.396264][ T10] ipv6_find_idev+0x102/0x170 [ 1244.396264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.396264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.396264][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.396264][ T10] netlink_unicast+0x449/0x710 [ 1244.396264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.396264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.396264][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.396264][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.396264][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.396264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.396264][ T10] [ 1244.397931][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1244.397931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1244.397931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1244.397931][ T10] ipv6_find_idev+0x102/0x170 [ 1244.397931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.397931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.397931][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.397931][ T10] netlink_unicast+0x449/0x710 [ 1244.397931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.397931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.397931][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.397931][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.397931][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.397931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.397931][ T10] [ 1244.399846][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1244.400117][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1244.400117][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.400117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1244.400117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.400117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1244.400117][ T10] ipv6_add_addr+0x411/0x2000 [ 1244.400117][ T10] inet6_addr_add+0x30e/0xa40 [ 1244.400117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.400117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.400117][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.400117][ T10] netlink_unicast+0x449/0x710 [ 1244.400117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.400117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.400117][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.400117][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.400117][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.400117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.400117][ T10] [ 1244.402136][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1244.402136][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1244.402136][ T10] ipv6_find_idev+0x102/0x170 [ 1244.402136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.402136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.402136][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.402136][ T10] netlink_unicast+0x449/0x710 [ 1244.402136][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.402136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.402136][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.402136][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.402136][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.402136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.402136][ T10] [ 1244.403717][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1244.403717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1244.403717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1244.403717][ T10] ipv6_find_idev+0x102/0x170 [ 1244.403717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.403717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.403717][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.403717][ T10] netlink_unicast+0x449/0x710 [ 1244.403717][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.403717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.403717][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.403717][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.403717][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.403717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.403717][ T10] [ 1244.405604][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1244.405868][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1244.405868][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.405868][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1244.405868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.405868][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1244.405868][ T10] ipv6_add_addr+0x411/0x2000 [ 1244.405868][ T10] inet6_addr_add+0x30e/0xa40 [ 1244.405868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.405868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.405868][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.405868][ T10] netlink_unicast+0x449/0x710 [ 1244.405868][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.405868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.405868][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.405868][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.405868][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.405868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.405868][ T10] [ 1244.408054][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1244.408054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1244.408054][ T10] ipv6_find_idev+0x102/0x170 [ 1244.408054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.408054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.408054][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.408054][ T10] netlink_unicast+0x449/0x710 [ 1244.408054][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.408054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.408054][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.408054][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.408054][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.408054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.408054][ T10] [ 1244.409789][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1244.409789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1244.409789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1244.409789][ T10] ipv6_find_idev+0x102/0x170 [ 1244.409789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.409789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.409789][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.409789][ T10] netlink_unicast+0x449/0x710 [ 1244.409789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.409789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.409789][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.409789][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.409789][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.409789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.409789][ T10] [ 1244.411711][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1244.411979][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1244.411979][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.411979][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1244.411979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.411979][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1244.411979][ T10] ipv6_add_addr+0x411/0x2000 [ 1244.411979][ T10] inet6_addr_add+0x30e/0xa40 [ 1244.411979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.411979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.411979][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.411979][ T10] netlink_unicast+0x449/0x710 [ 1244.411979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.411979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.411979][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.411979][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.411979][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.411979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.411979][ T10] [ 1244.414015][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1244.414015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1244.414015][ T10] ipv6_find_idev+0x102/0x170 [ 1244.414015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.414015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.414015][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.414015][ T10] netlink_unicast+0x449/0x710 [ 1244.414015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.414015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.414015][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.414015][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.414015][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.414015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.414015][ T10] [ 1244.415669][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1244.415669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1244.415669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1244.415669][ T10] ipv6_find_idev+0x102/0x170 [ 1244.415669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.415669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.415669][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.415669][ T10] netlink_unicast+0x449/0x710 [ 1244.415669][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.415669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.415669][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.415669][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.415669][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.415669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.415669][ T10] [ 1244.417643][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1244.417925][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1244.417925][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.417925][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1244.417925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.417925][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1244.417925][ T10] ipv6_add_addr+0x411/0x2000 [ 1244.417925][ T10] inet6_addr_add+0x30e/0xa40 [ 1244.417925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.417925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.417925][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.417925][ T10] netlink_unicast+0x449/0x710 [ 1244.417925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.417925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.417925][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.417925][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.417925][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.417925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.417925][ T10] [ 1244.420177][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1244.420177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1244.420177][ T10] ipv6_find_idev+0x102/0x170 [ 1244.420177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.420177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.420177][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.420177][ T10] netlink_unicast+0x449/0x710 [ 1244.420177][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.420177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.420177][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.420177][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.420177][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.420177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.420177][ T10] [ 1244.421927][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1244.421927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1244.421927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1244.421927][ T10] ipv6_find_idev+0x102/0x170 [ 1244.421927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.421927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.421927][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.421927][ T10] netlink_unicast+0x449/0x710 [ 1244.421927][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.421927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.421927][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.421927][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.421927][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.421927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.421927][ T10] [ 1254.504315][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1254.505333][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1254.505333][ T10] netdev_get_by_index+0x5e/0x80 [ 1254.505333][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1254.505333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1254.505333][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1254.505333][ T10] ipv6_add_addr+0x411/0x2000 [ 1254.505333][ T10] inet6_addr_add+0x30e/0xa40 [ 1254.505333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.505333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.505333][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.505333][ T10] netlink_unicast+0x449/0x710 [ 1254.505333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.505333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.505333][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.505333][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.505333][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.505333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.505333][ T10] [ 1254.507332][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1254.507332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1254.507332][ T10] ipv6_find_idev+0x102/0x170 [ 1254.507332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.507332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.507332][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.507332][ T10] netlink_unicast+0x449/0x710 [ 1254.507332][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.507332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.507332][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.507332][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.507332][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.507332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.507332][ T10] [ 1254.508834][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1254.508834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1254.508834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1254.508834][ T10] ipv6_find_idev+0x102/0x170 [ 1254.508834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.508834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.508834][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.508834][ T10] netlink_unicast+0x449/0x710 [ 1254.508834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.508834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.508834][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.508834][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.508834][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.508834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.508834][ T10] [ 1254.510463][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1254.510720][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1254.510720][ T10] netdev_get_by_index+0x5e/0x80 [ 1254.510720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1254.510720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1254.510720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1254.510720][ T10] ipv6_add_addr+0x411/0x2000 [ 1254.510720][ T10] inet6_addr_add+0x30e/0xa40 [ 1254.510720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.510720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.510720][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.510720][ T10] netlink_unicast+0x449/0x710 [ 1254.510720][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.510720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.510720][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.510720][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.510720][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.510720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.510720][ T10] [ 1254.512637][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1254.512637][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1254.512637][ T10] ipv6_find_idev+0x102/0x170 [ 1254.512637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.512637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.512637][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.512637][ T10] netlink_unicast+0x449/0x710 [ 1254.512637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.512637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.512637][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.512637][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.512637][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.512637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.512637][ T10] [ 1254.514129][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1254.514129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1254.514129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1254.514129][ T10] ipv6_find_idev+0x102/0x170 [ 1254.514129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.514129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.514129][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.514129][ T10] netlink_unicast+0x449/0x710 [ 1254.514129][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.514129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.514129][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.514129][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.514129][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.514129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.514129][ T10] [ 1254.515733][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1254.515984][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1254.515984][ T10] netdev_get_by_index+0x5e/0x80 [ 1254.515984][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1254.515984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1254.515984][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1254.515984][ T10] ipv6_add_addr+0x411/0x2000 [ 1254.515984][ T10] inet6_addr_add+0x30e/0xa40 [ 1254.515984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.515984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.515984][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.515984][ T10] netlink_unicast+0x449/0x710 [ 1254.515984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.515984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.515984][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.515984][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.515984][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.515984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.515984][ T10] [ 1254.517961][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1254.517961][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1254.517961][ T10] ipv6_find_idev+0x102/0x170 [ 1254.517961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.517961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.517961][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.517961][ T10] netlink_unicast+0x449/0x710 [ 1254.517961][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.517961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.517961][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.517961][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.517961][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.517961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.517961][ T10] [ 1254.519493][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1254.519493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1254.519493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1254.519493][ T10] ipv6_find_idev+0x102/0x170 [ 1254.519493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.519493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.519493][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.519493][ T10] netlink_unicast+0x449/0x710 [ 1254.519493][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.519493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.519493][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.519493][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.519493][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.519493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.519493][ T10] [ 1254.521167][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1254.521429][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1254.521429][ T10] netdev_get_by_index+0x5e/0x80 [ 1254.521429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1254.521429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1254.521429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1254.521429][ T10] ipv6_add_addr+0x411/0x2000 [ 1254.521429][ T10] inet6_addr_add+0x30e/0xa40 [ 1254.521429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.521429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.521429][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.521429][ T10] netlink_unicast+0x449/0x710 [ 1254.521429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.521429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.521429][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.521429][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.521429][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.521429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.521429][ T10] [ 1254.523385][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1254.523385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1254.523385][ T10] ipv6_find_idev+0x102/0x170 [ 1254.523385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.523385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.523385][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.523385][ T10] netlink_unicast+0x449/0x710 [ 1254.523385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.523385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.523385][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.523385][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.523385][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.523385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.523385][ T10] [ 1254.524859][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1254.524859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1254.524859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1254.524859][ T10] ipv6_find_idev+0x102/0x170 [ 1254.524859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.524859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.524859][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.524859][ T10] netlink_unicast+0x449/0x710 [ 1254.524859][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.524859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.524859][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.524859][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.524859][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.524859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.524859][ T10] [ 1254.526460][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1254.526739][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1254.526739][ T10] netdev_get_by_index+0x5e/0x80 [ 1254.526739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1254.526739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1254.526739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1254.526739][ T10] ipv6_add_addr+0x411/0x2000 [ 1254.526739][ T10] inet6_addr_add+0x30e/0xa40 [ 1254.526739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.526739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.526739][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.526739][ T10] netlink_unicast+0x449/0x710 [ 1254.526739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.526739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.526739][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.526739][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.526739][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.526739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.526739][ T10] [ 1254.528709][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1254.528709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1254.528709][ T10] ipv6_find_idev+0x102/0x170 [ 1254.528709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.528709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.528709][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.528709][ T10] netlink_unicast+0x449/0x710 [ 1254.528709][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.528709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.528709][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.528709][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.528709][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.528709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.528709][ T10] [ 1254.530312][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1254.530312][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1254.530312][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1254.530312][ T10] ipv6_find_idev+0x102/0x170 [ 1254.530312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.530312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.530312][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.530312][ T10] netlink_unicast+0x449/0x710 [ 1254.530312][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.530312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.530312][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.530312][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.530312][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.530312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.530312][ T10] [ 1254.532556][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1254.532818][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1254.532818][ T10] netdev_get_by_index+0x5e/0x80 [ 1254.532818][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1254.532818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1254.532818][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1254.532818][ T10] ipv6_add_addr+0x411/0x2000 [ 1254.532818][ T10] inet6_addr_add+0x30e/0xa40 [ 1254.532818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.532818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.532818][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.532818][ T10] netlink_unicast+0x449/0x710 [ 1254.532818][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.532818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.532818][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.532818][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.532818][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.532818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.532818][ T10] [ 1254.534813][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1254.534813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1254.534813][ T10] ipv6_find_idev+0x102/0x170 [ 1254.534813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.534813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.534813][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.534813][ T10] netlink_unicast+0x449/0x710 [ 1254.534813][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.534813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.534813][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.534813][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.534813][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.534813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.534813][ T10] [ 1254.536372][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1254.536372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1254.536372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1254.536372][ T10] ipv6_find_idev+0x102/0x170 [ 1254.536372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.536372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.536372][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.536372][ T10] netlink_unicast+0x449/0x710 [ 1254.536372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.536372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.536372][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.536372][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.536372][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.536372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.536372][ T10] [ 1254.538283][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1254.538569][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1254.538569][ T10] netdev_get_by_index+0x5e/0x80 [ 1254.538569][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1254.538569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1254.538569][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1254.538569][ T10] ipv6_add_addr+0x411/0x2000 [ 1254.538569][ T10] inet6_addr_add+0x30e/0xa40 [ 1254.538569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.538569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.538569][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.538569][ T10] netlink_unicast+0x449/0x710 [ 1254.538569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.538569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.538569][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.538569][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.538569][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.538569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.538569][ T10] [ 1254.540686][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1254.540686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1254.540686][ T10] ipv6_find_idev+0x102/0x170 [ 1254.540686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.540686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.540686][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.540686][ T10] netlink_unicast+0x449/0x710 [ 1254.540686][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.540686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.540686][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.540686][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.540686][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.540686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.540686][ T10] [ 1254.542330][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1254.542330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1254.542330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1254.542330][ T10] ipv6_find_idev+0x102/0x170 [ 1254.542330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.542330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.542330][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.542330][ T10] netlink_unicast+0x449/0x710 [ 1254.542330][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.542330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.542330][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.542330][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.542330][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.542330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.542330][ T10] [ 1254.544247][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1254.544511][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1254.544511][ T10] netdev_get_by_index+0x5e/0x80 [ 1254.544511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1254.544511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1254.544511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1254.544511][ T10] ipv6_add_addr+0x411/0x2000 [ 1254.544511][ T10] inet6_addr_add+0x30e/0xa40 [ 1254.544511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.544511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.544511][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.544511][ T10] netlink_unicast+0x449/0x710 [ 1254.544511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.544511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.544511][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.544511][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.544511][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.544511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.544511][ T10] [ 1254.546660][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1254.546660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1254.546660][ T10] ipv6_find_idev+0x102/0x170 [ 1254.546660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.546660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.546660][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.546660][ T10] netlink_unicast+0x449/0x710 [ 1254.546660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.546660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.546660][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.546660][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.546660][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.546660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.546660][ T10] [ 1254.548353][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1254.548353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1254.548353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1254.548353][ T10] ipv6_find_idev+0x102/0x170 [ 1254.548353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1254.548353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.548353][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.548353][ T10] netlink_unicast+0x449/0x710 [ 1254.548353][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.548353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.548353][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.548353][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.548353][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.548353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.548353][ T10] [ 1264.656135][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1264.656457][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1264.656457][ T10] netdev_get_by_index+0x5e/0x80 [ 1264.656457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1264.656457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1264.656457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1264.656457][ T10] ipv6_add_addr+0x411/0x2000 [ 1264.656457][ T10] inet6_addr_add+0x30e/0xa40 [ 1264.656457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1264.656457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.656457][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.656457][ T10] netlink_unicast+0x449/0x710 [ 1264.656457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.656457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.656457][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.656457][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.656457][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.656457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.656457][ T10] [ 1264.658457][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1264.658457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1264.658457][ T10] ipv6_find_idev+0x102/0x170 [ 1264.658457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.658457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.658457][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.658457][ T10] netlink_unicast+0x449/0x710 [ 1264.658457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.658457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.658457][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.658457][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.658457][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.658457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.658457][ T10] [ 1264.659966][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1264.659966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1264.659966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1264.659966][ T10] ipv6_find_idev+0x102/0x170 [ 1264.659966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.659966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.659966][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.659966][ T10] netlink_unicast+0x449/0x710 [ 1264.659966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.659966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.659966][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.659966][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.659966][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.659966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.659966][ T10] [ 1264.661658][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1264.661923][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1264.661923][ T10] netdev_get_by_index+0x5e/0x80 [ 1264.661923][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1264.661923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1264.661923][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1264.661923][ T10] ipv6_add_addr+0x411/0x2000 [ 1264.661923][ T10] inet6_addr_add+0x30e/0xa40 [ 1264.661923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1264.661923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.661923][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.661923][ T10] netlink_unicast+0x449/0x710 [ 1264.661923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.661923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.661923][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.661923][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.661923][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.661923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.661923][ T10] [ 1264.663899][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1264.663899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1264.663899][ T10] ipv6_find_idev+0x102/0x170 [ 1264.663899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.663899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.663899][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.663899][ T10] netlink_unicast+0x449/0x710 [ 1264.663899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.663899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.663899][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.663899][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.663899][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.663899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.663899][ T10] [ 1264.665415][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1264.665415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1264.665415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1264.665415][ T10] ipv6_find_idev+0x102/0x170 [ 1264.665415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.665415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.665415][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.665415][ T10] netlink_unicast+0x449/0x710 [ 1264.665415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.665415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.665415][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.665415][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.665415][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.665415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.665415][ T10] [ 1264.667118][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1264.667378][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1264.667378][ T10] netdev_get_by_index+0x5e/0x80 [ 1264.667378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1264.667378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1264.667378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1264.667378][ T10] ipv6_add_addr+0x411/0x2000 [ 1264.667378][ T10] inet6_addr_add+0x30e/0xa40 [ 1264.667378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1264.667378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.667378][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.667378][ T10] netlink_unicast+0x449/0x710 [ 1264.667378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.667378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.667378][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.667378][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.667378][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.667378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.667378][ T10] [ 1264.669350][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1264.669350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1264.669350][ T10] ipv6_find_idev+0x102/0x170 [ 1264.669350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.669350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.669350][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.669350][ T10] netlink_unicast+0x449/0x710 [ 1264.669350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.669350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.669350][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.669350][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.669350][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.669350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.669350][ T10] [ 1264.670881][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1264.670881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1264.670881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1264.670881][ T10] ipv6_find_idev+0x102/0x170 [ 1264.670881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.670881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.670881][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.670881][ T10] netlink_unicast+0x449/0x710 [ 1264.670881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.670881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.670881][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.670881][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.670881][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.670881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.670881][ T10] [ 1264.672546][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1264.672813][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1264.672813][ T10] netdev_get_by_index+0x5e/0x80 [ 1264.672813][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1264.672813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1264.672813][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1264.672813][ T10] ipv6_add_addr+0x411/0x2000 [ 1264.672813][ T10] inet6_addr_add+0x30e/0xa40 [ 1264.672813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1264.672813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.672813][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.672813][ T10] netlink_unicast+0x449/0x710 [ 1264.672813][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.672813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.672813][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.672813][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.672813][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.672813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.672813][ T10] [ 1264.674780][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1264.674780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1264.674780][ T10] ipv6_find_idev+0x102/0x170 [ 1264.674780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.674780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.674780][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.674780][ T10] netlink_unicast+0x449/0x710 [ 1264.674780][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.674780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.674780][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.674780][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.674780][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.674780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.674780][ T10] [ 1264.676286][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1264.676286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1264.676286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1264.676286][ T10] ipv6_find_idev+0x102/0x170 [ 1264.676286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.676286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.676286][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.676286][ T10] netlink_unicast+0x449/0x710 [ 1264.676286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.676286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.676286][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.676286][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.676286][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.676286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.676286][ T10] [ 1264.678369][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1264.678642][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1264.678642][ T10] netdev_get_by_index+0x5e/0x80 [ 1264.678642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1264.678642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1264.678642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1264.678642][ T10] ipv6_add_addr+0x411/0x2000 [ 1264.678642][ T10] inet6_addr_add+0x30e/0xa40 [ 1264.678642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1264.678642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.678642][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.678642][ T10] netlink_unicast+0x449/0x710 [ 1264.678642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.678642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.678642][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.678642][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.678642][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.678642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.678642][ T10] [ 1264.680604][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1264.680604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1264.680604][ T10] ipv6_find_idev+0x102/0x170 [ 1264.680604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.680604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.680604][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.680604][ T10] netlink_unicast+0x449/0x710 [ 1264.680604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.680604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.680604][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.680604][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.680604][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.680604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.680604][ T10] [ 1264.682116][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1264.682116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1264.682116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1264.682116][ T10] ipv6_find_idev+0x102/0x170 [ 1264.682116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.682116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.682116][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.682116][ T10] netlink_unicast+0x449/0x710 [ 1264.682116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.682116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.682116][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.682116][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.682116][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.682116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.682116][ T10] [ 1264.683974][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1264.684295][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1264.684295][ T10] netdev_get_by_index+0x5e/0x80 [ 1264.684295][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1264.684295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1264.684295][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1264.684295][ T10] ipv6_add_addr+0x411/0x2000 [ 1264.684295][ T10] inet6_addr_add+0x30e/0xa40 [ 1264.684295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1264.684295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.684295][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.684295][ T10] netlink_unicast+0x449/0x710 [ 1264.684295][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.684295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.684295][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.684295][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.684295][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.684295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.684295][ T10] [ 1264.686382][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1264.686382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1264.686382][ T10] ipv6_find_idev+0x102/0x170 [ 1264.686382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.686382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.686382][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.686382][ T10] netlink_unicast+0x449/0x710 [ 1264.686382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.686382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.686382][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.686382][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.686382][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.686382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.686382][ T10] [ 1264.688132][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1264.688132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1264.688132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1264.688132][ T10] ipv6_find_idev+0x102/0x170 [ 1264.688132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.688132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.688132][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.688132][ T10] netlink_unicast+0x449/0x710 [ 1264.688132][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.688132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.688132][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.688132][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.688132][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.688132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.688132][ T10] [ 1264.690024][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1264.690347][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1264.690347][ T10] netdev_get_by_index+0x5e/0x80 [ 1264.690347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1264.690347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1264.690347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1264.690347][ T10] ipv6_add_addr+0x411/0x2000 [ 1264.690347][ T10] inet6_addr_add+0x30e/0xa40 [ 1264.690347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1264.690347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.690347][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.690347][ T10] netlink_unicast+0x449/0x710 [ 1264.690347][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.690347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.690347][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.690347][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.690347][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.690347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.690347][ T10] [ 1264.692490][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1264.692490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1264.692490][ T10] ipv6_find_idev+0x102/0x170 [ 1264.692490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.692490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.692490][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.692490][ T10] netlink_unicast+0x449/0x710 [ 1264.692490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.692490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.692490][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.692490][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.692490][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.692490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.692490][ T10] [ 1264.694131][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1264.694131][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1264.694131][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1264.694131][ T10] ipv6_find_idev+0x102/0x170 [ 1264.694131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.694131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.694131][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.694131][ T10] netlink_unicast+0x449/0x710 [ 1264.694131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.694131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.694131][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.694131][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.694131][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.694131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.694131][ T10] [ 1264.696084][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1264.696404][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1264.696404][ T10] netdev_get_by_index+0x5e/0x80 [ 1264.696404][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1264.696404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1264.696404][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1264.696404][ T10] ipv6_add_addr+0x411/0x2000 [ 1264.696404][ T10] inet6_addr_add+0x30e/0xa40 [ 1264.696404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1264.696404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.696404][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.696404][ T10] netlink_unicast+0x449/0x710 [ 1264.696404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.696404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.696404][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.696404][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.696404][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.696404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.696404][ T10] [ 1264.698513][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1264.698513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1264.698513][ T10] ipv6_find_idev+0x102/0x170 [ 1264.698513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.698513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.698513][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.698513][ T10] netlink_unicast+0x449/0x710 [ 1264.698513][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.698513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.698513][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.698513][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.698513][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.698513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.698513][ T10] [ 1264.700208][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1264.700208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1264.700208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1264.700208][ T10] ipv6_find_idev+0x102/0x170 [ 1264.700208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1264.700208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1264.700208][ T10] netlink_rcv_skb+0x130/0x360 [ 1264.700208][ T10] netlink_unicast+0x449/0x710 [ 1264.700208][ T10] netlink_sendmsg+0x723/0xbe0 [ 1264.700208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1264.700208][ T10] ___sys_sendmsg+0xee/0x170 [ 1264.700208][ T10] __sys_sendmsg+0xcd/0x170 [ 1264.700208][ T10] do_syscall_64+0xc6/0x1e0 [ 1264.700208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1264.700208][ T10] [ 1274.776202][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1274.776625][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1274.776625][ T10] netdev_get_by_index+0x5e/0x80 [ 1274.776625][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1274.776625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1274.776625][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1274.776625][ T10] ipv6_add_addr+0x411/0x2000 [ 1274.776625][ T10] inet6_addr_add+0x30e/0xa40 [ 1274.776625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1274.776625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.776625][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.776625][ T10] netlink_unicast+0x449/0x710 [ 1274.776625][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.776625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.776625][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.776625][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.776625][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.776625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.776625][ T10] [ 1274.778661][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1274.778661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1274.778661][ T10] ipv6_find_idev+0x102/0x170 [ 1274.778661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.778661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.778661][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.778661][ T10] netlink_unicast+0x449/0x710 [ 1274.778661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.778661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.778661][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.778661][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.778661][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.778661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.778661][ T10] [ 1274.780183][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1274.780183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1274.780183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1274.780183][ T10] ipv6_find_idev+0x102/0x170 [ 1274.780183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.780183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.780183][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.780183][ T10] netlink_unicast+0x449/0x710 [ 1274.780183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.780183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.780183][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.780183][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.780183][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.780183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.780183][ T10] [ 1274.781841][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1274.782108][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1274.782108][ T10] netdev_get_by_index+0x5e/0x80 [ 1274.782108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1274.782108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1274.782108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1274.782108][ T10] ipv6_add_addr+0x411/0x2000 [ 1274.782108][ T10] inet6_addr_add+0x30e/0xa40 [ 1274.782108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1274.782108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.782108][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.782108][ T10] netlink_unicast+0x449/0x710 [ 1274.782108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.782108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.782108][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.782108][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.782108][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.782108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.782108][ T10] [ 1274.784061][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1274.784061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1274.784061][ T10] ipv6_find_idev+0x102/0x170 [ 1274.784061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.784061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.784061][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.784061][ T10] netlink_unicast+0x449/0x710 [ 1274.784061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.784061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.784061][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.784061][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.784061][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.784061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.784061][ T10] [ 1274.785583][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1274.785583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1274.785583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1274.785583][ T10] ipv6_find_idev+0x102/0x170 [ 1274.785583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.785583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.785583][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.785583][ T10] netlink_unicast+0x449/0x710 [ 1274.785583][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.785583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.785583][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.785583][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.785583][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.785583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.785583][ T10] [ 1274.787249][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1274.787516][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1274.787516][ T10] netdev_get_by_index+0x5e/0x80 [ 1274.787516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1274.787516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1274.787516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1274.787516][ T10] ipv6_add_addr+0x411/0x2000 [ 1274.787516][ T10] inet6_addr_add+0x30e/0xa40 [ 1274.787516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1274.787516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.787516][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.787516][ T10] netlink_unicast+0x449/0x710 [ 1274.787516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.787516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.787516][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.787516][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.787516][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.787516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.787516][ T10] [ 1274.789492][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1274.789492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1274.789492][ T10] ipv6_find_idev+0x102/0x170 [ 1274.789492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.789492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.789492][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.789492][ T10] netlink_unicast+0x449/0x710 [ 1274.789492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.789492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.789492][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.789492][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.789492][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.789492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.789492][ T10] [ 1274.791012][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1274.791012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1274.791012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1274.791012][ T10] ipv6_find_idev+0x102/0x170 [ 1274.791012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.791012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.791012][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.791012][ T10] netlink_unicast+0x449/0x710 [ 1274.791012][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.791012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.791012][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.791012][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.791012][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.791012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.791012][ T10] [ 1274.792688][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1274.792953][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1274.792953][ T10] netdev_get_by_index+0x5e/0x80 [ 1274.792953][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1274.792953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1274.792953][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1274.792953][ T10] ipv6_add_addr+0x411/0x2000 [ 1274.792953][ T10] inet6_addr_add+0x30e/0xa40 [ 1274.792953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1274.792953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.792953][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.792953][ T10] netlink_unicast+0x449/0x710 [ 1274.792953][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.792953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.792953][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.792953][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.792953][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.792953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.792953][ T10] [ 1274.794930][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1274.794930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1274.794930][ T10] ipv6_find_idev+0x102/0x170 [ 1274.794930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.794930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.794930][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.794930][ T10] netlink_unicast+0x449/0x710 [ 1274.794930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.794930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.794930][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.794930][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.794930][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.794930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.794930][ T10] [ 1274.796452][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1274.796452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1274.796452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1274.796452][ T10] ipv6_find_idev+0x102/0x170 [ 1274.796452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.796452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.796452][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.796452][ T10] netlink_unicast+0x449/0x710 [ 1274.796452][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.796452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.796452][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.796452][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.796452][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.796452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.796452][ T10] [ 1274.798525][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1274.798788][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1274.798788][ T10] netdev_get_by_index+0x5e/0x80 [ 1274.798788][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1274.798788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1274.798788][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1274.798788][ T10] ipv6_add_addr+0x411/0x2000 [ 1274.798788][ T10] inet6_addr_add+0x30e/0xa40 [ 1274.798788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1274.798788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.798788][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.798788][ T10] netlink_unicast+0x449/0x710 [ 1274.798788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.798788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.798788][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.798788][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.798788][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.798788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.798788][ T10] [ 1274.800746][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1274.800746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1274.800746][ T10] ipv6_find_idev+0x102/0x170 [ 1274.800746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.800746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.800746][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.800746][ T10] netlink_unicast+0x449/0x710 [ 1274.800746][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.800746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.800746][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.800746][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.800746][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.800746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.800746][ T10] [ 1274.802260][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1274.802260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1274.802260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1274.802260][ T10] ipv6_find_idev+0x102/0x170 [ 1274.802260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.802260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.802260][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.802260][ T10] netlink_unicast+0x449/0x710 [ 1274.802260][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.802260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.802260][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.802260][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.802260][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.802260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.802260][ T10] [ 1274.803948][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1274.804267][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1274.804267][ T10] netdev_get_by_index+0x5e/0x80 [ 1274.804267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1274.804267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1274.804267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1274.804267][ T10] ipv6_add_addr+0x411/0x2000 [ 1274.804267][ T10] inet6_addr_add+0x30e/0xa40 [ 1274.804267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1274.804267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.804267][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.804267][ T10] netlink_unicast+0x449/0x710 [ 1274.804267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.804267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.804267][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.804267][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.804267][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.804267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.804267][ T10] [ 1274.806359][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1274.806359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1274.806359][ T10] ipv6_find_idev+0x102/0x170 [ 1274.806359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.806359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.806359][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.806359][ T10] netlink_unicast+0x449/0x710 [ 1274.806359][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.806359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.806359][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.806359][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.806359][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.806359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.806359][ T10] [ 1274.808130][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1274.808130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1274.808130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1274.808130][ T10] ipv6_find_idev+0x102/0x170 [ 1274.808130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.808130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.808130][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.808130][ T10] netlink_unicast+0x449/0x710 [ 1274.808130][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.808130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.808130][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.808130][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.808130][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.808130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.808130][ T10] [ 1274.810030][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1274.810349][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1274.810349][ T10] netdev_get_by_index+0x5e/0x80 [ 1274.810349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1274.810349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1274.810349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1274.810349][ T10] ipv6_add_addr+0x411/0x2000 [ 1274.810349][ T10] inet6_addr_add+0x30e/0xa40 [ 1274.810349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1274.810349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.810349][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.810349][ T10] netlink_unicast+0x449/0x710 [ 1274.810349][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.810349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.810349][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.810349][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.810349][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.810349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.810349][ T10] [ 1274.812500][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1274.812500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1274.812500][ T10] ipv6_find_idev+0x102/0x170 [ 1274.812500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.812500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.812500][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.812500][ T10] netlink_unicast+0x449/0x710 [ 1274.812500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.812500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.812500][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.812500][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.812500][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.812500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.812500][ T10] [ 1274.814194][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1274.814194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1274.814194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1274.814194][ T10] ipv6_find_idev+0x102/0x170 [ 1274.814194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.814194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.814194][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.814194][ T10] netlink_unicast+0x449/0x710 [ 1274.814194][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.814194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.814194][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.814194][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.814194][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.814194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.814194][ T10] [ 1274.816065][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1274.816376][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1274.816376][ T10] netdev_get_by_index+0x5e/0x80 [ 1274.816376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1274.816376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1274.816376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1274.816376][ T10] ipv6_add_addr+0x411/0x2000 [ 1274.816376][ T10] inet6_addr_add+0x30e/0xa40 [ 1274.816376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1274.816376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.816376][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.816376][ T10] netlink_unicast+0x449/0x710 [ 1274.816376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.816376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.816376][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.816376][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.816376][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.816376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.816376][ T10] [ 1274.818579][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1274.818579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1274.818579][ T10] ipv6_find_idev+0x102/0x170 [ 1274.818579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.818579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.818579][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.818579][ T10] netlink_unicast+0x449/0x710 [ 1274.818579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.818579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.818579][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.818579][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.818579][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.818579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.818579][ T10] [ 1274.820286][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1274.820286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1274.820286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1274.820286][ T10] ipv6_find_idev+0x102/0x170 [ 1274.820286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1274.820286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1274.820286][ T10] netlink_rcv_skb+0x130/0x360 [ 1274.820286][ T10] netlink_unicast+0x449/0x710 [ 1274.820286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1274.820286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1274.820286][ T10] ___sys_sendmsg+0xee/0x170 [ 1274.820286][ T10] __sys_sendmsg+0xcd/0x170 [ 1274.820286][ T10] do_syscall_64+0xc6/0x1e0 [ 1274.820286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1274.820286][ T10] [ 1284.864202][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1284.864620][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1284.864620][ T10] netdev_get_by_index+0x5e/0x80 [ 1284.864620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1284.864620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1284.864620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1284.864620][ T10] ipv6_add_addr+0x411/0x2000 [ 1284.864620][ T10] inet6_addr_add+0x30e/0xa40 [ 1284.864620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1284.864620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.864620][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.864620][ T10] netlink_unicast+0x449/0x710 [ 1284.864620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.864620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.864620][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.864620][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.864620][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.864620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.864620][ T10] [ 1284.866627][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1284.866627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1284.866627][ T10] ipv6_find_idev+0x102/0x170 [ 1284.866627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.866627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.866627][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.866627][ T10] netlink_unicast+0x449/0x710 [ 1284.866627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.866627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.866627][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.866627][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.866627][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.866627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.866627][ T10] [ 1284.868157][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1284.868157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1284.868157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1284.868157][ T10] ipv6_find_idev+0x102/0x170 [ 1284.868157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.868157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.868157][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.868157][ T10] netlink_unicast+0x449/0x710 [ 1284.868157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.868157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.868157][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.868157][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.868157][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.868157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.868157][ T10] [ 1284.869848][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1284.870120][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1284.870120][ T10] netdev_get_by_index+0x5e/0x80 [ 1284.870120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1284.870120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1284.870120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1284.870120][ T10] ipv6_add_addr+0x411/0x2000 [ 1284.870120][ T10] inet6_addr_add+0x30e/0xa40 [ 1284.870120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1284.870120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.870120][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.870120][ T10] netlink_unicast+0x449/0x710 [ 1284.870120][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.870120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.870120][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.870120][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.870120][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.870120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.870120][ T10] [ 1284.872091][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1284.872091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1284.872091][ T10] ipv6_find_idev+0x102/0x170 [ 1284.872091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.872091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.872091][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.872091][ T10] netlink_unicast+0x449/0x710 [ 1284.872091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.872091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.872091][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.872091][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.872091][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.872091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.872091][ T10] [ 1284.873616][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1284.873616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1284.873616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1284.873616][ T10] ipv6_find_idev+0x102/0x170 [ 1284.873616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.873616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.873616][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.873616][ T10] netlink_unicast+0x449/0x710 [ 1284.873616][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.873616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.873616][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.873616][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.873616][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.873616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.873616][ T10] [ 1284.875289][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1284.875558][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1284.875558][ T10] netdev_get_by_index+0x5e/0x80 [ 1284.875558][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1284.875558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1284.875558][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1284.875558][ T10] ipv6_add_addr+0x411/0x2000 [ 1284.875558][ T10] inet6_addr_add+0x30e/0xa40 [ 1284.875558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1284.875558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.875558][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.875558][ T10] netlink_unicast+0x449/0x710 [ 1284.875558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.875558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.875558][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.875558][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.875558][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.875558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.875558][ T10] [ 1284.877549][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1284.877549][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1284.877549][ T10] ipv6_find_idev+0x102/0x170 [ 1284.877549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.877549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.877549][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.877549][ T10] netlink_unicast+0x449/0x710 [ 1284.877549][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.877549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.877549][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.877549][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.877549][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.877549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.877549][ T10] [ 1284.879088][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1284.879088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1284.879088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1284.879088][ T10] ipv6_find_idev+0x102/0x170 [ 1284.879088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.879088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.879088][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.879088][ T10] netlink_unicast+0x449/0x710 [ 1284.879088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.879088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.879088][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.879088][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.879088][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.879088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.879088][ T10] [ 1284.880752][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1284.881008][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1284.881008][ T10] netdev_get_by_index+0x5e/0x80 [ 1284.881008][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1284.881008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1284.881008][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1284.881008][ T10] ipv6_add_addr+0x411/0x2000 [ 1284.881008][ T10] inet6_addr_add+0x30e/0xa40 [ 1284.881008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1284.881008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.881008][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.881008][ T10] netlink_unicast+0x449/0x710 [ 1284.881008][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.881008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.881008][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.881008][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.881008][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.881008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.881008][ T10] [ 1284.882962][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1284.882962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1284.882962][ T10] ipv6_find_idev+0x102/0x170 [ 1284.882962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.882962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.882962][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.882962][ T10] netlink_unicast+0x449/0x710 [ 1284.882962][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.882962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.882962][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.882962][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.882962][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.882962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.882962][ T10] [ 1284.884470][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1284.884470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1284.884470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1284.884470][ T10] ipv6_find_idev+0x102/0x170 [ 1284.884470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.884470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.884470][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.884470][ T10] netlink_unicast+0x449/0x710 [ 1284.884470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.884470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.884470][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.884470][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.884470][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.884470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.884470][ T10] [ 1284.886538][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1284.886800][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1284.886800][ T10] netdev_get_by_index+0x5e/0x80 [ 1284.886800][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1284.886800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1284.886800][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1284.886800][ T10] ipv6_add_addr+0x411/0x2000 [ 1284.886800][ T10] inet6_addr_add+0x30e/0xa40 [ 1284.886800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1284.886800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.886800][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.886800][ T10] netlink_unicast+0x449/0x710 [ 1284.886800][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.886800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.886800][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.886800][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.886800][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.886800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.886800][ T10] [ 1284.888782][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1284.888782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1284.888782][ T10] ipv6_find_idev+0x102/0x170 [ 1284.888782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.888782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.888782][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.888782][ T10] netlink_unicast+0x449/0x710 [ 1284.888782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.888782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.888782][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.888782][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.888782][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.888782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.888782][ T10] [ 1284.890290][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1284.890290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1284.890290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1284.890290][ T10] ipv6_find_idev+0x102/0x170 [ 1284.890290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.890290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.890290][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.890290][ T10] netlink_unicast+0x449/0x710 [ 1284.890290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.890290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.890290][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.890290][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.890290][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.890290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.890290][ T10] [ 1284.891985][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1284.892301][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1284.892301][ T10] netdev_get_by_index+0x5e/0x80 [ 1284.892301][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1284.892301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1284.892301][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1284.892301][ T10] ipv6_add_addr+0x411/0x2000 [ 1284.892301][ T10] inet6_addr_add+0x30e/0xa40 [ 1284.892301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1284.892301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.892301][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.892301][ T10] netlink_unicast+0x449/0x710 [ 1284.892301][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.892301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.892301][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.892301][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.892301][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.892301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.892301][ T10] [ 1284.894382][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1284.894382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1284.894382][ T10] ipv6_find_idev+0x102/0x170 [ 1284.894382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.894382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.894382][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.894382][ T10] netlink_unicast+0x449/0x710 [ 1284.894382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.894382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.894382][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.894382][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.894382][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.894382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.894382][ T10] [ 1284.896139][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1284.896139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1284.896139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1284.896139][ T10] ipv6_find_idev+0x102/0x170 [ 1284.896139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.896139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.896139][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.896139][ T10] netlink_unicast+0x449/0x710 [ 1284.896139][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.896139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.896139][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.896139][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.896139][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.896139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.896139][ T10] [ 1284.898006][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1284.898335][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1284.898335][ T10] netdev_get_by_index+0x5e/0x80 [ 1284.898335][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1284.898335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1284.898335][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1284.898335][ T10] ipv6_add_addr+0x411/0x2000 [ 1284.898335][ T10] inet6_addr_add+0x30e/0xa40 [ 1284.898335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1284.898335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.898335][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.898335][ T10] netlink_unicast+0x449/0x710 [ 1284.898335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.898335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.898335][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.898335][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.898335][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.898335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.898335][ T10] [ 1284.900464][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1284.900464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1284.900464][ T10] ipv6_find_idev+0x102/0x170 [ 1284.900464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.900464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.900464][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.900464][ T10] netlink_unicast+0x449/0x710 [ 1284.900464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.900464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.900464][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.900464][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.900464][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.900464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.900464][ T10] [ 1284.902155][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1284.902155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1284.902155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1284.902155][ T10] ipv6_find_idev+0x102/0x170 [ 1284.902155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.902155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.902155][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.902155][ T10] netlink_unicast+0x449/0x710 [ 1284.902155][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.902155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.902155][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.902155][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.902155][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.902155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.902155][ T10] [ 1284.904026][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1284.904348][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1284.904348][ T10] netdev_get_by_index+0x5e/0x80 [ 1284.904348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1284.904348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1284.904348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1284.904348][ T10] ipv6_add_addr+0x411/0x2000 [ 1284.904348][ T10] inet6_addr_add+0x30e/0xa40 [ 1284.904348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1284.904348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.904348][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.904348][ T10] netlink_unicast+0x449/0x710 [ 1284.904348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.904348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.904348][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.904348][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.904348][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.904348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.904348][ T10] [ 1284.906544][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1284.906544][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1284.906544][ T10] ipv6_find_idev+0x102/0x170 [ 1284.906544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.906544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.906544][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.906544][ T10] netlink_unicast+0x449/0x710 [ 1284.906544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.906544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.906544][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.906544][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.906544][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.906544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.906544][ T10] [ 1284.908235][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1284.908235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1284.908235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1284.908235][ T10] ipv6_find_idev+0x102/0x170 [ 1284.908235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1284.908235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1284.908235][ T10] netlink_rcv_skb+0x130/0x360 [ 1284.908235][ T10] netlink_unicast+0x449/0x710 [ 1284.908235][ T10] netlink_sendmsg+0x723/0xbe0 [ 1284.908235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1284.908235][ T10] ___sys_sendmsg+0xee/0x170 [ 1284.908235][ T10] __sys_sendmsg+0xcd/0x170 [ 1284.908235][ T10] do_syscall_64+0xc6/0x1e0 [ 1284.908235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1284.908235][ T10] [ 1295.064207][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1295.064634][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1295.064634][ T10] netdev_get_by_index+0x5e/0x80 [ 1295.064634][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1295.064634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1295.064634][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1295.064634][ T10] ipv6_add_addr+0x411/0x2000 [ 1295.064634][ T10] inet6_addr_add+0x30e/0xa40 [ 1295.064634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.064634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.064634][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.064634][ T10] netlink_unicast+0x449/0x710 [ 1295.064634][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.064634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.064634][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.064634][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.064634][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.064634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.064634][ T10] [ 1295.066611][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1295.066611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1295.066611][ T10] ipv6_find_idev+0x102/0x170 [ 1295.066611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.066611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.066611][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.066611][ T10] netlink_unicast+0x449/0x710 [ 1295.066611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.066611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.066611][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.066611][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.066611][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.066611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.066611][ T10] [ 1295.068126][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1295.068126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1295.068126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1295.068126][ T10] ipv6_find_idev+0x102/0x170 [ 1295.068126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.068126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.068126][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.068126][ T10] netlink_unicast+0x449/0x710 [ 1295.068126][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.068126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.068126][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.068126][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.068126][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.068126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.068126][ T10] [ 1295.069793][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1295.070066][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1295.070066][ T10] netdev_get_by_index+0x5e/0x80 [ 1295.070066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1295.070066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1295.070066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1295.070066][ T10] ipv6_add_addr+0x411/0x2000 [ 1295.070066][ T10] inet6_addr_add+0x30e/0xa40 [ 1295.070066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.070066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.070066][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.070066][ T10] netlink_unicast+0x449/0x710 [ 1295.070066][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.070066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.070066][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.070066][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.070066][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.070066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.070066][ T10] [ 1295.072033][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1295.072033][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1295.072033][ T10] ipv6_find_idev+0x102/0x170 [ 1295.072033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.072033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.072033][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.072033][ T10] netlink_unicast+0x449/0x710 [ 1295.072033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.072033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.072033][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.072033][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.072033][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.072033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.072033][ T10] [ 1295.073537][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1295.073537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1295.073537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1295.073537][ T10] ipv6_find_idev+0x102/0x170 [ 1295.073537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.073537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.073537][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.073537][ T10] netlink_unicast+0x449/0x710 [ 1295.073537][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.073537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.073537][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.073537][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.073537][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.073537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.073537][ T10] [ 1295.075193][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1295.075454][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1295.075454][ T10] netdev_get_by_index+0x5e/0x80 [ 1295.075454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1295.075454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1295.075454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1295.075454][ T10] ipv6_add_addr+0x411/0x2000 [ 1295.075454][ T10] inet6_addr_add+0x30e/0xa40 [ 1295.075454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.075454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.075454][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.075454][ T10] netlink_unicast+0x449/0x710 [ 1295.075454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.075454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.075454][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.075454][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.075454][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.075454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.075454][ T10] [ 1295.077411][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1295.077411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1295.077411][ T10] ipv6_find_idev+0x102/0x170 [ 1295.077411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.077411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.077411][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.077411][ T10] netlink_unicast+0x449/0x710 [ 1295.077411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.077411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.077411][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.077411][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.077411][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.077411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.077411][ T10] [ 1295.078932][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1295.078932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1295.078932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1295.078932][ T10] ipv6_find_idev+0x102/0x170 [ 1295.078932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.078932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.078932][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.078932][ T10] netlink_unicast+0x449/0x710 [ 1295.078932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.078932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.078932][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.078932][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.078932][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.078932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.078932][ T10] [ 1295.080587][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1295.080856][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1295.080856][ T10] netdev_get_by_index+0x5e/0x80 [ 1295.080856][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1295.080856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1295.080856][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1295.080856][ T10] ipv6_add_addr+0x411/0x2000 [ 1295.080856][ T10] inet6_addr_add+0x30e/0xa40 [ 1295.080856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.080856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.080856][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.080856][ T10] netlink_unicast+0x449/0x710 [ 1295.080856][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.080856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.080856][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.080856][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.080856][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.080856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.080856][ T10] [ 1295.082802][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1295.082802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1295.082802][ T10] ipv6_find_idev+0x102/0x170 [ 1295.082802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.082802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.082802][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.082802][ T10] netlink_unicast+0x449/0x710 [ 1295.082802][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.082802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.082802][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.082802][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.082802][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.082802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.082802][ T10] [ 1295.084307][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1295.084307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1295.084307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1295.084307][ T10] ipv6_find_idev+0x102/0x170 [ 1295.084307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.084307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.084307][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.084307][ T10] netlink_unicast+0x449/0x710 [ 1295.084307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.084307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.084307][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.084307][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.084307][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.084307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.084307][ T10] [ 1295.086350][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1295.086610][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1295.086610][ T10] netdev_get_by_index+0x5e/0x80 [ 1295.086610][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1295.086610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1295.086610][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1295.086610][ T10] ipv6_add_addr+0x411/0x2000 [ 1295.086610][ T10] inet6_addr_add+0x30e/0xa40 [ 1295.086610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.086610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.086610][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.086610][ T10] netlink_unicast+0x449/0x710 [ 1295.086610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.086610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.086610][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.086610][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.086610][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.086610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.086610][ T10] [ 1295.088556][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1295.088556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1295.088556][ T10] ipv6_find_idev+0x102/0x170 [ 1295.088556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.088556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.088556][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.088556][ T10] netlink_unicast+0x449/0x710 [ 1295.088556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.088556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.088556][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.088556][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.088556][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.088556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.088556][ T10] [ 1295.090063][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1295.090063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1295.090063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1295.090063][ T10] ipv6_find_idev+0x102/0x170 [ 1295.090063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.090063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.090063][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.090063][ T10] netlink_unicast+0x449/0x710 [ 1295.090063][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.090063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.090063][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.090063][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.090063][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.090063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.090063][ T10] [ 1295.091754][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1295.092014][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1295.092014][ T10] netdev_get_by_index+0x5e/0x80 [ 1295.092014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1295.092014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1295.092014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1295.092014][ T10] ipv6_add_addr+0x411/0x2000 [ 1295.092014][ T10] inet6_addr_add+0x30e/0xa40 [ 1295.092014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.092014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.092014][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.092014][ T10] netlink_unicast+0x449/0x710 [ 1295.092014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.092014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.092014][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.092014][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.092014][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.092014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.092014][ T10] [ 1295.094092][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1295.094092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1295.094092][ T10] ipv6_find_idev+0x102/0x170 [ 1295.094092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.094092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.094092][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.094092][ T10] netlink_unicast+0x449/0x710 [ 1295.094092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.094092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.094092][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.094092][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.094092][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.094092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.094092][ T10] [ 1295.095778][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1295.095778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1295.095778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1295.095778][ T10] ipv6_find_idev+0x102/0x170 [ 1295.095778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.095778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.095778][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.095778][ T10] netlink_unicast+0x449/0x710 [ 1295.095778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.095778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.095778][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.095778][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.095778][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.095778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.095778][ T10] [ 1295.097792][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1295.098053][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1295.098053][ T10] netdev_get_by_index+0x5e/0x80 [ 1295.098053][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1295.098053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1295.098053][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1295.098053][ T10] ipv6_add_addr+0x411/0x2000 [ 1295.098053][ T10] inet6_addr_add+0x30e/0xa40 [ 1295.098053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.098053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.098053][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.098053][ T10] netlink_unicast+0x449/0x710 [ 1295.098053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.098053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.098053][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.098053][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.098053][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.098053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.098053][ T10] [ 1295.100202][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1295.100202][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1295.100202][ T10] ipv6_find_idev+0x102/0x170 [ 1295.100202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.100202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.100202][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.100202][ T10] netlink_unicast+0x449/0x710 [ 1295.100202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.100202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.100202][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.100202][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.100202][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.100202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.100202][ T10] [ 1295.101901][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1295.101901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1295.101901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1295.101901][ T10] ipv6_find_idev+0x102/0x170 [ 1295.101901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.101901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.101901][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.101901][ T10] netlink_unicast+0x449/0x710 [ 1295.101901][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.101901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.101901][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.101901][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.101901][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.101901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.101901][ T10] [ 1295.103771][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1295.104041][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1295.104041][ T10] netdev_get_by_index+0x5e/0x80 [ 1295.104041][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1295.104041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1295.104041][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1295.104041][ T10] ipv6_add_addr+0x411/0x2000 [ 1295.104041][ T10] inet6_addr_add+0x30e/0xa40 [ 1295.104041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1295.104041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.104041][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.104041][ T10] netlink_unicast+0x449/0x710 [ 1295.104041][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.104041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.104041][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.104041][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.104041][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.104041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.104041][ T10] [ 1295.106317][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1295.106317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1295.106317][ T10] ipv6_find_idev+0x102/0x170 [ 1295.106317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.106317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.106317][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.106317][ T10] netlink_unicast+0x449/0x710 [ 1295.106317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.106317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.106317][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.106317][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.106317][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.106317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.106317][ T10] [ 1295.108006][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1295.108006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1295.108006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1295.108006][ T10] ipv6_find_idev+0x102/0x170 [ 1295.108006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1295.108006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1295.108006][ T10] netlink_rcv_skb+0x130/0x360 [ 1295.108006][ T10] netlink_unicast+0x449/0x710 [ 1295.108006][ T10] netlink_sendmsg+0x723/0xbe0 [ 1295.108006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1295.108006][ T10] ___sys_sendmsg+0xee/0x170 [ 1295.108006][ T10] __sys_sendmsg+0xcd/0x170 [ 1295.108006][ T10] do_syscall_64+0xc6/0x1e0 [ 1295.108006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1295.108006][ T10] [ 1305.280234][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1305.280581][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1305.280581][ T10] netdev_get_by_index+0x5e/0x80 [ 1305.280581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1305.280581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1305.280581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1305.280581][ T10] ipv6_add_addr+0x411/0x2000 [ 1305.280581][ T10] inet6_addr_add+0x30e/0xa40 [ 1305.280581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.280581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.280581][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.280581][ T10] netlink_unicast+0x449/0x710 [ 1305.280581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.280581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.280581][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.280581][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.280581][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.280581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.280581][ T10] [ 1305.282642][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1305.282642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1305.282642][ T10] ipv6_find_idev+0x102/0x170 [ 1305.282642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.282642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.282642][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.282642][ T10] netlink_unicast+0x449/0x710 [ 1305.282642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.282642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.282642][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.282642][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.282642][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.282642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.282642][ T10] [ 1305.284215][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1305.284215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1305.284215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1305.284215][ T10] ipv6_find_idev+0x102/0x170 [ 1305.284215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.284215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.284215][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.284215][ T10] netlink_unicast+0x449/0x710 [ 1305.284215][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.284215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.284215][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.284215][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.284215][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.284215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.284215][ T10] [ 1305.285931][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1305.286215][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1305.286215][ T10] netdev_get_by_index+0x5e/0x80 [ 1305.286215][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1305.286215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1305.286215][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1305.286215][ T10] ipv6_add_addr+0x411/0x2000 [ 1305.286215][ T10] inet6_addr_add+0x30e/0xa40 [ 1305.286215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.286215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.286215][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.286215][ T10] netlink_unicast+0x449/0x710 [ 1305.286215][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.286215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.286215][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.286215][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.286215][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.286215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.286215][ T10] [ 1305.288244][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1305.288244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1305.288244][ T10] ipv6_find_idev+0x102/0x170 [ 1305.288244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.288244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.288244][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.288244][ T10] netlink_unicast+0x449/0x710 [ 1305.288244][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.288244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.288244][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.288244][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.288244][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.288244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.288244][ T10] [ 1305.289817][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1305.289817][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1305.289817][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1305.289817][ T10] ipv6_find_idev+0x102/0x170 [ 1305.289817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.289817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.289817][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.289817][ T10] netlink_unicast+0x449/0x710 [ 1305.289817][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.289817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.289817][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.289817][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.289817][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.289817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.289817][ T10] [ 1305.291489][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1305.291757][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1305.291757][ T10] netdev_get_by_index+0x5e/0x80 [ 1305.291757][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1305.291757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1305.291757][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1305.291757][ T10] ipv6_add_addr+0x411/0x2000 [ 1305.291757][ T10] inet6_addr_add+0x30e/0xa40 [ 1305.291757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.291757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.291757][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.291757][ T10] netlink_unicast+0x449/0x710 [ 1305.291757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.291757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.291757][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.291757][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.291757][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.291757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.291757][ T10] [ 1305.293753][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1305.293753][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1305.293753][ T10] ipv6_find_idev+0x102/0x170 [ 1305.293753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.293753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.293753][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.293753][ T10] netlink_unicast+0x449/0x710 [ 1305.293753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.293753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.293753][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.293753][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.293753][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.293753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.293753][ T10] [ 1305.295308][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1305.295308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1305.295308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1305.295308][ T10] ipv6_find_idev+0x102/0x170 [ 1305.295308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.295308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.295308][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.295308][ T10] netlink_unicast+0x449/0x710 [ 1305.295308][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.295308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.295308][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.295308][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.295308][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.295308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.295308][ T10] [ 1305.297397][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1305.298002][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1305.298002][ T10] netdev_get_by_index+0x5e/0x80 [ 1305.298002][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1305.298002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1305.298002][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1305.298002][ T10] ipv6_add_addr+0x411/0x2000 [ 1305.298002][ T10] inet6_addr_add+0x30e/0xa40 [ 1305.298002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.298002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.298002][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.298002][ T10] netlink_unicast+0x449/0x710 [ 1305.298002][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.298002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.298002][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.298002][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.298002][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.298002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.298002][ T10] [ 1305.300019][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1305.300019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1305.300019][ T10] ipv6_find_idev+0x102/0x170 [ 1305.300019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.300019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.300019][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.300019][ T10] netlink_unicast+0x449/0x710 [ 1305.300019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.300019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.300019][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.300019][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.300019][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.300019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.300019][ T10] [ 1305.301586][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1305.301586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1305.301586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1305.301586][ T10] ipv6_find_idev+0x102/0x170 [ 1305.301586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.301586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.301586][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.301586][ T10] netlink_unicast+0x449/0x710 [ 1305.301586][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.301586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.301586][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.301586][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.301586][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.301586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.301586][ T10] [ 1305.303284][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1305.303553][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1305.303553][ T10] netdev_get_by_index+0x5e/0x80 [ 1305.303553][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1305.303553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1305.303553][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1305.303553][ T10] ipv6_add_addr+0x411/0x2000 [ 1305.303553][ T10] inet6_addr_add+0x30e/0xa40 [ 1305.303553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.303553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.303553][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.303553][ T10] netlink_unicast+0x449/0x710 [ 1305.303553][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.303553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.303553][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.303553][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.303553][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.303553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.303553][ T10] [ 1305.305803][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1305.305803][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1305.305803][ T10] ipv6_find_idev+0x102/0x170 [ 1305.305803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.305803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.305803][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.305803][ T10] netlink_unicast+0x449/0x710 [ 1305.305803][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.305803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.305803][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.305803][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.305803][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.305803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.305803][ T10] [ 1305.307491][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1305.307491][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1305.307491][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1305.307491][ T10] ipv6_find_idev+0x102/0x170 [ 1305.307491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.307491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.307491][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.307491][ T10] netlink_unicast+0x449/0x710 [ 1305.307491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.307491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.307491][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.307491][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.307491][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.307491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.307491][ T10] [ 1305.309344][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1305.309655][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1305.309655][ T10] netdev_get_by_index+0x5e/0x80 [ 1305.309655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1305.309655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1305.309655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1305.309655][ T10] ipv6_add_addr+0x411/0x2000 [ 1305.309655][ T10] inet6_addr_add+0x30e/0xa40 [ 1305.309655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.309655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.309655][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.309655][ T10] netlink_unicast+0x449/0x710 [ 1305.309655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.309655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.309655][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.309655][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.309655][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.309655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.309655][ T10] [ 1305.311830][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1305.311830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1305.311830][ T10] ipv6_find_idev+0x102/0x170 [ 1305.311830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.311830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.311830][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.311830][ T10] netlink_unicast+0x449/0x710 [ 1305.311830][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.311830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.311830][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.311830][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.311830][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.311830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.311830][ T10] [ 1305.313556][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1305.313556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1305.313556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1305.313556][ T10] ipv6_find_idev+0x102/0x170 [ 1305.313556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.313556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.313556][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.313556][ T10] netlink_unicast+0x449/0x710 [ 1305.313556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.313556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.313556][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.313556][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.313556][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.313556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.313556][ T10] [ 1305.315483][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1305.315799][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1305.315799][ T10] netdev_get_by_index+0x5e/0x80 [ 1305.315799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1305.315799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1305.315799][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1305.315799][ T10] ipv6_add_addr+0x411/0x2000 [ 1305.315799][ T10] inet6_addr_add+0x30e/0xa40 [ 1305.315799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.315799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.315799][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.315799][ T10] netlink_unicast+0x449/0x710 [ 1305.315799][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.315799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.315799][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.315799][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.315799][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.315799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.315799][ T10] [ 1305.317901][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1305.317901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1305.317901][ T10] ipv6_find_idev+0x102/0x170 [ 1305.317901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.317901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.317901][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.317901][ T10] netlink_unicast+0x449/0x710 [ 1305.317901][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.317901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.317901][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.317901][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.317901][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.317901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.317901][ T10] [ 1305.319632][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1305.319632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1305.319632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1305.319632][ T10] ipv6_find_idev+0x102/0x170 [ 1305.319632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.319632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.319632][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.319632][ T10] netlink_unicast+0x449/0x710 [ 1305.319632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.319632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.319632][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.319632][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.319632][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.319632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.319632][ T10] [ 1305.321609][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1305.321924][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1305.321924][ T10] netdev_get_by_index+0x5e/0x80 [ 1305.321924][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1305.321924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1305.321924][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1305.321924][ T10] ipv6_add_addr+0x411/0x2000 [ 1305.321924][ T10] inet6_addr_add+0x30e/0xa40 [ 1305.321924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1305.321924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.321924][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.321924][ T10] netlink_unicast+0x449/0x710 [ 1305.321924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.321924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.321924][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.321924][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.321924][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.321924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.321924][ T10] [ 1305.324069][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1305.324069][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1305.324069][ T10] ipv6_find_idev+0x102/0x170 [ 1305.324069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.324069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.324069][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.324069][ T10] netlink_unicast+0x449/0x710 [ 1305.324069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.324069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.324069][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.324069][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.324069][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.324069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.324069][ T10] [ 1305.325679][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1305.325679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1305.325679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1305.325679][ T10] ipv6_find_idev+0x102/0x170 [ 1305.325679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1305.325679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1305.325679][ T10] netlink_rcv_skb+0x130/0x360 [ 1305.325679][ T10] netlink_unicast+0x449/0x710 [ 1305.325679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1305.325679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1305.325679][ T10] ___sys_sendmsg+0xee/0x170 [ 1305.325679][ T10] __sys_sendmsg+0xcd/0x170 [ 1305.325679][ T10] do_syscall_64+0xc6/0x1e0 [ 1305.325679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1305.325679][ T10] [ 1315.480371][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1315.480697][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1315.480697][ T10] netdev_get_by_index+0x5e/0x80 [ 1315.480697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1315.480697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1315.480697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1315.480697][ T10] ipv6_add_addr+0x411/0x2000 [ 1315.480697][ T10] inet6_addr_add+0x30e/0xa40 [ 1315.480697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1315.480697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.480697][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.480697][ T10] netlink_unicast+0x449/0x710 [ 1315.480697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.480697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.480697][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.480697][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.480697][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.480697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.480697][ T10] [ 1315.482740][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1315.482740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1315.482740][ T10] ipv6_find_idev+0x102/0x170 [ 1315.482740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.482740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.482740][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.482740][ T10] netlink_unicast+0x449/0x710 [ 1315.482740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.482740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.482740][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.482740][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.482740][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.482740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.482740][ T10] [ 1315.484296][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1315.484296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1315.484296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1315.484296][ T10] ipv6_find_idev+0x102/0x170 [ 1315.484296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.484296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.484296][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.484296][ T10] netlink_unicast+0x449/0x710 [ 1315.484296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.484296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.484296][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.484296][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.484296][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.484296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.484296][ T10] [ 1315.486303][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1315.486576][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1315.486576][ T10] netdev_get_by_index+0x5e/0x80 [ 1315.486576][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1315.486576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1315.486576][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1315.486576][ T10] ipv6_add_addr+0x411/0x2000 [ 1315.486576][ T10] inet6_addr_add+0x30e/0xa40 [ 1315.486576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1315.486576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.486576][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.486576][ T10] netlink_unicast+0x449/0x710 [ 1315.486576][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.486576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.486576][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.486576][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.486576][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.486576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.486576][ T10] [ 1315.488593][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1315.488593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1315.488593][ T10] ipv6_find_idev+0x102/0x170 [ 1315.488593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.488593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.488593][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.488593][ T10] netlink_unicast+0x449/0x710 [ 1315.488593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.488593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.488593][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.488593][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.488593][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.488593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.488593][ T10] [ 1315.490146][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1315.490146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1315.490146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1315.490146][ T10] ipv6_find_idev+0x102/0x170 [ 1315.490146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.490146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.490146][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.490146][ T10] netlink_unicast+0x449/0x710 [ 1315.490146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.490146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.490146][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.490146][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.490146][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.490146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.490146][ T10] [ 1315.491848][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1315.492119][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1315.492119][ T10] netdev_get_by_index+0x5e/0x80 [ 1315.492119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1315.492119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1315.492119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1315.492119][ T10] ipv6_add_addr+0x411/0x2000 [ 1315.492119][ T10] inet6_addr_add+0x30e/0xa40 [ 1315.492119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1315.492119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.492119][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.492119][ T10] netlink_unicast+0x449/0x710 [ 1315.492119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.492119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.492119][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.492119][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.492119][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.492119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.492119][ T10] [ 1315.494131][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1315.494131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1315.494131][ T10] ipv6_find_idev+0x102/0x170 [ 1315.494131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.494131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.494131][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.494131][ T10] netlink_unicast+0x449/0x710 [ 1315.494131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.494131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.494131][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.494131][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.494131][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.494131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.494131][ T10] [ 1315.495672][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1315.495672][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1315.495672][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1315.495672][ T10] ipv6_find_idev+0x102/0x170 [ 1315.495672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.495672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.495672][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.495672][ T10] netlink_unicast+0x449/0x710 [ 1315.495672][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.495672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.495672][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.495672][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.495672][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.495672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.495672][ T10] [ 1315.497737][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1315.498036][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1315.498036][ T10] netdev_get_by_index+0x5e/0x80 [ 1315.498036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1315.498036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1315.498036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1315.498036][ T10] ipv6_add_addr+0x411/0x2000 [ 1315.498036][ T10] inet6_addr_add+0x30e/0xa40 [ 1315.498036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1315.498036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.498036][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.498036][ T10] netlink_unicast+0x449/0x710 [ 1315.498036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.498036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.498036][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.498036][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.498036][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.498036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.498036][ T10] [ 1315.500321][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1315.500321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1315.500321][ T10] ipv6_find_idev+0x102/0x170 [ 1315.500321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.500321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.500321][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.500321][ T10] netlink_unicast+0x449/0x710 [ 1315.500321][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.500321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.500321][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.500321][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.500321][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.500321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.500321][ T10] [ 1315.501936][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1315.501936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1315.501936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1315.501936][ T10] ipv6_find_idev+0x102/0x170 [ 1315.501936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.501936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.501936][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.501936][ T10] netlink_unicast+0x449/0x710 [ 1315.501936][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.501936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.501936][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.501936][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.501936][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.501936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.501936][ T10] [ 1315.503741][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1315.504013][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1315.504013][ T10] netdev_get_by_index+0x5e/0x80 [ 1315.504013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1315.504013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1315.504013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1315.504013][ T10] ipv6_add_addr+0x411/0x2000 [ 1315.504013][ T10] inet6_addr_add+0x30e/0xa40 [ 1315.504013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1315.504013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.504013][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.504013][ T10] netlink_unicast+0x449/0x710 [ 1315.504013][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.504013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.504013][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.504013][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.504013][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.504013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.504013][ T10] [ 1315.506138][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1315.506138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1315.506138][ T10] ipv6_find_idev+0x102/0x170 [ 1315.506138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.506138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.506138][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.506138][ T10] netlink_unicast+0x449/0x710 [ 1315.506138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.506138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.506138][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.506138][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.506138][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.506138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.506138][ T10] [ 1315.507699][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1315.507699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1315.507699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1315.507699][ T10] ipv6_find_idev+0x102/0x170 [ 1315.507699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.507699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.507699][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.507699][ T10] netlink_unicast+0x449/0x710 [ 1315.507699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.507699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.507699][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.507699][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.507699][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.507699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.507699][ T10] [ 1315.510148][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1315.510466][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1315.510466][ T10] netdev_get_by_index+0x5e/0x80 [ 1315.510466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1315.510466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1315.510466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1315.510466][ T10] ipv6_add_addr+0x411/0x2000 [ 1315.510466][ T10] inet6_addr_add+0x30e/0xa40 [ 1315.510466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1315.510466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.510466][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.510466][ T10] netlink_unicast+0x449/0x710 [ 1315.510466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.510466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.510466][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.510466][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.510466][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.510466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.510466][ T10] [ 1315.512548][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1315.512548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1315.512548][ T10] ipv6_find_idev+0x102/0x170 [ 1315.512548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.512548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.512548][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.512548][ T10] netlink_unicast+0x449/0x710 [ 1315.512548][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.512548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.512548][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.512548][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.512548][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.512548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.512548][ T10] [ 1315.514226][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1315.514226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1315.514226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1315.514226][ T10] ipv6_find_idev+0x102/0x170 [ 1315.514226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.514226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.514226][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.514226][ T10] netlink_unicast+0x449/0x710 [ 1315.514226][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.514226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.514226][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.514226][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.514226][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.514226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.514226][ T10] [ 1315.516146][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1315.516463][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1315.516463][ T10] netdev_get_by_index+0x5e/0x80 [ 1315.516463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1315.516463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1315.516463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1315.516463][ T10] ipv6_add_addr+0x411/0x2000 [ 1315.516463][ T10] inet6_addr_add+0x30e/0xa40 [ 1315.516463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1315.516463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.516463][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.516463][ T10] netlink_unicast+0x449/0x710 [ 1315.516463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.516463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.516463][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.516463][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.516463][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.516463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.516463][ T10] [ 1315.518661][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1315.518661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1315.518661][ T10] ipv6_find_idev+0x102/0x170 [ 1315.518661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.518661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.518661][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.518661][ T10] netlink_unicast+0x449/0x710 [ 1315.518661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.518661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.518661][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.518661][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.518661][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.518661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.518661][ T10] [ 1315.520406][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1315.520406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1315.520406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1315.520406][ T10] ipv6_find_idev+0x102/0x170 [ 1315.520406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.520406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.520406][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.520406][ T10] netlink_unicast+0x449/0x710 [ 1315.520406][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.520406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.520406][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.520406][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.520406][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.520406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.520406][ T10] [ 1315.522326][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1315.522644][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1315.522644][ T10] netdev_get_by_index+0x5e/0x80 [ 1315.522644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1315.522644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1315.522644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1315.522644][ T10] ipv6_add_addr+0x411/0x2000 [ 1315.522644][ T10] inet6_addr_add+0x30e/0xa40 [ 1315.522644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1315.522644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.522644][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.522644][ T10] netlink_unicast+0x449/0x710 [ 1315.522644][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.522644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.522644][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.522644][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.522644][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.522644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.522644][ T10] [ 1315.524909][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1315.524909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1315.524909][ T10] ipv6_find_idev+0x102/0x170 [ 1315.524909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.524909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.524909][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.524909][ T10] netlink_unicast+0x449/0x710 [ 1315.524909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.524909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.524909][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.524909][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.524909][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.524909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.524909][ T10] [ 1315.526501][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1315.526501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1315.526501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1315.526501][ T10] ipv6_find_idev+0x102/0x170 [ 1315.526501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1315.526501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1315.526501][ T10] netlink_rcv_skb+0x130/0x360 [ 1315.526501][ T10] netlink_unicast+0x449/0x710 [ 1315.526501][ T10] netlink_sendmsg+0x723/0xbe0 [ 1315.526501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1315.526501][ T10] ___sys_sendmsg+0xee/0x170 [ 1315.526501][ T10] __sys_sendmsg+0xcd/0x170 [ 1315.526501][ T10] do_syscall_64+0xc6/0x1e0 [ 1315.526501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1315.526501][ T10] [ 1325.784234][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1325.784658][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1325.784658][ T10] netdev_get_by_index+0x5e/0x80 [ 1325.784658][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1325.784658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1325.784658][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1325.784658][ T10] ipv6_add_addr+0x411/0x2000 [ 1325.784658][ T10] inet6_addr_add+0x30e/0xa40 [ 1325.784658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1325.784658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.784658][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.784658][ T10] netlink_unicast+0x449/0x710 [ 1325.784658][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.784658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.784658][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.784658][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.784658][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.784658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.784658][ T10] [ 1325.786687][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1325.786687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1325.786687][ T10] ipv6_find_idev+0x102/0x170 [ 1325.786687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.786687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.786687][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.786687][ T10] netlink_unicast+0x449/0x710 [ 1325.786687][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.786687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.786687][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.786687][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.786687][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.786687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.786687][ T10] [ 1325.788262][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1325.788262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1325.788262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1325.788262][ T10] ipv6_find_idev+0x102/0x170 [ 1325.788262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.788262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.788262][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.788262][ T10] netlink_unicast+0x449/0x710 [ 1325.788262][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.788262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.788262][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.788262][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.788262][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.788262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.788262][ T10] [ 1325.789937][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1325.790231][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1325.790231][ T10] netdev_get_by_index+0x5e/0x80 [ 1325.790231][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1325.790231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1325.790231][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1325.790231][ T10] ipv6_add_addr+0x411/0x2000 [ 1325.790231][ T10] inet6_addr_add+0x30e/0xa40 [ 1325.790231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1325.790231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.790231][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.790231][ T10] netlink_unicast+0x449/0x710 [ 1325.790231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.790231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.790231][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.790231][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.790231][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.790231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.790231][ T10] [ 1325.792206][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1325.792206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1325.792206][ T10] ipv6_find_idev+0x102/0x170 [ 1325.792206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.792206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.792206][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.792206][ T10] netlink_unicast+0x449/0x710 [ 1325.792206][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.792206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.792206][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.792206][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.792206][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.792206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.792206][ T10] [ 1325.793739][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1325.793739][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1325.793739][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1325.793739][ T10] ipv6_find_idev+0x102/0x170 [ 1325.793739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.793739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.793739][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.793739][ T10] netlink_unicast+0x449/0x710 [ 1325.793739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.793739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.793739][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.793739][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.793739][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.793739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.793739][ T10] [ 1325.795413][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1325.795680][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1325.795680][ T10] netdev_get_by_index+0x5e/0x80 [ 1325.795680][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1325.795680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1325.795680][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1325.795680][ T10] ipv6_add_addr+0x411/0x2000 [ 1325.795680][ T10] inet6_addr_add+0x30e/0xa40 [ 1325.795680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1325.795680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.795680][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.795680][ T10] netlink_unicast+0x449/0x710 [ 1325.795680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.795680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.795680][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.795680][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.795680][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.795680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.795680][ T10] [ 1325.797648][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1325.797648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1325.797648][ T10] ipv6_find_idev+0x102/0x170 [ 1325.797648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.797648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.797648][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.797648][ T10] netlink_unicast+0x449/0x710 [ 1325.797648][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.797648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.797648][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.797648][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.797648][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.797648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.797648][ T10] [ 1325.799157][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1325.799157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1325.799157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1325.799157][ T10] ipv6_find_idev+0x102/0x170 [ 1325.799157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.799157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.799157][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.799157][ T10] netlink_unicast+0x449/0x710 [ 1325.799157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.799157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.799157][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.799157][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.799157][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.799157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.799157][ T10] [ 1325.800831][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1325.801098][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1325.801098][ T10] netdev_get_by_index+0x5e/0x80 [ 1325.801098][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1325.801098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1325.801098][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1325.801098][ T10] ipv6_add_addr+0x411/0x2000 [ 1325.801098][ T10] inet6_addr_add+0x30e/0xa40 [ 1325.801098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1325.801098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.801098][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.801098][ T10] netlink_unicast+0x449/0x710 [ 1325.801098][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.801098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.801098][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.801098][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.801098][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.801098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.801098][ T10] [ 1325.803062][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1325.803062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1325.803062][ T10] ipv6_find_idev+0x102/0x170 [ 1325.803062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.803062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.803062][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.803062][ T10] netlink_unicast+0x449/0x710 [ 1325.803062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.803062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.803062][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.803062][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.803062][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.803062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.803062][ T10] [ 1325.804587][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1325.804587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1325.804587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1325.804587][ T10] ipv6_find_idev+0x102/0x170 [ 1325.804587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.804587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.804587][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.804587][ T10] netlink_unicast+0x449/0x710 [ 1325.804587][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.804587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.804587][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.804587][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.804587][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.804587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.804587][ T10] [ 1325.806648][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1325.806913][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1325.806913][ T10] netdev_get_by_index+0x5e/0x80 [ 1325.806913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1325.806913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1325.806913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1325.806913][ T10] ipv6_add_addr+0x411/0x2000 [ 1325.806913][ T10] inet6_addr_add+0x30e/0xa40 [ 1325.806913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1325.806913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.806913][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.806913][ T10] netlink_unicast+0x449/0x710 [ 1325.806913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.806913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.806913][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.806913][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.806913][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.806913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.806913][ T10] [ 1325.808885][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1325.808885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1325.808885][ T10] ipv6_find_idev+0x102/0x170 [ 1325.808885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.808885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.808885][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.808885][ T10] netlink_unicast+0x449/0x710 [ 1325.808885][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.808885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.808885][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.808885][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.808885][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.808885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.808885][ T10] [ 1325.810402][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1325.810402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1325.810402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1325.810402][ T10] ipv6_find_idev+0x102/0x170 [ 1325.810402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.810402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.810402][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.810402][ T10] netlink_unicast+0x449/0x710 [ 1325.810402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.810402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.810402][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.810402][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.810402][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.810402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.810402][ T10] [ 1325.812122][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1325.812392][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1325.812392][ T10] netdev_get_by_index+0x5e/0x80 [ 1325.812392][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1325.812392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1325.812392][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1325.812392][ T10] ipv6_add_addr+0x411/0x2000 [ 1325.812392][ T10] inet6_addr_add+0x30e/0xa40 [ 1325.812392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1325.812392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.812392][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.812392][ T10] netlink_unicast+0x449/0x710 [ 1325.812392][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.812392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.812392][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.812392][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.812392][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.812392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.812392][ T10] [ 1325.814420][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1325.814420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1325.814420][ T10] ipv6_find_idev+0x102/0x170 [ 1325.814420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.814420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.814420][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.814420][ T10] netlink_unicast+0x449/0x710 [ 1325.814420][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.814420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.814420][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.814420][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.814420][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.814420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.814420][ T10] [ 1325.816179][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1325.816179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1325.816179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1325.816179][ T10] ipv6_find_idev+0x102/0x170 [ 1325.816179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.816179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.816179][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.816179][ T10] netlink_unicast+0x449/0x710 [ 1325.816179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.816179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.816179][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.816179][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.816179][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.816179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.816179][ T10] [ 1325.818112][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1325.818382][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1325.818382][ T10] netdev_get_by_index+0x5e/0x80 [ 1325.818382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1325.818382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1325.818382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1325.818382][ T10] ipv6_add_addr+0x411/0x2000 [ 1325.818382][ T10] inet6_addr_add+0x30e/0xa40 [ 1325.818382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1325.818382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.818382][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.818382][ T10] netlink_unicast+0x449/0x710 [ 1325.818382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.818382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.818382][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.818382][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.818382][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.818382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.818382][ T10] [ 1325.820515][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1325.820515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1325.820515][ T10] ipv6_find_idev+0x102/0x170 [ 1325.820515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.820515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.820515][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.820515][ T10] netlink_unicast+0x449/0x710 [ 1325.820515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.820515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.820515][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.820515][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.820515][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.820515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.820515][ T10] [ 1325.822203][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1325.822203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1325.822203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1325.822203][ T10] ipv6_find_idev+0x102/0x170 [ 1325.822203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.822203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.822203][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.822203][ T10] netlink_unicast+0x449/0x710 [ 1325.822203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.822203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.822203][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.822203][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.822203][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.822203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.822203][ T10] [ 1325.824069][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1325.824384][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1325.824384][ T10] netdev_get_by_index+0x5e/0x80 [ 1325.824384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1325.824384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1325.824384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1325.824384][ T10] ipv6_add_addr+0x411/0x2000 [ 1325.824384][ T10] inet6_addr_add+0x30e/0xa40 [ 1325.824384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1325.824384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.824384][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.824384][ T10] netlink_unicast+0x449/0x710 [ 1325.824384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.824384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.824384][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.824384][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.824384][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.824384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.824384][ T10] [ 1325.826577][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1325.826577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1325.826577][ T10] ipv6_find_idev+0x102/0x170 [ 1325.826577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.826577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.826577][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.826577][ T10] netlink_unicast+0x449/0x710 [ 1325.826577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.826577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.826577][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.826577][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.826577][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.826577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.826577][ T10] [ 1325.828280][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1325.828280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1325.828280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1325.828280][ T10] ipv6_find_idev+0x102/0x170 [ 1325.828280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1325.828280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1325.828280][ T10] netlink_rcv_skb+0x130/0x360 [ 1325.828280][ T10] netlink_unicast+0x449/0x710 [ 1325.828280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1325.828280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1325.828280][ T10] ___sys_sendmsg+0xee/0x170 [ 1325.828280][ T10] __sys_sendmsg+0xcd/0x170 [ 1325.828280][ T10] do_syscall_64+0xc6/0x1e0 [ 1325.828280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1325.828280][ T10] [ 1336.080227][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1336.080668][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1336.080668][ T10] netdev_get_by_index+0x5e/0x80 [ 1336.080668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1336.080668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1336.080668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1336.080668][ T10] ipv6_add_addr+0x411/0x2000 [ 1336.080668][ T10] inet6_addr_add+0x30e/0xa40 [ 1336.080668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.080668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.080668][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.080668][ T10] netlink_unicast+0x449/0x710 [ 1336.080668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.080668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.080668][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.080668][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.080668][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.080668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.080668][ T10] [ 1336.082673][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1336.082673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1336.082673][ T10] ipv6_find_idev+0x102/0x170 [ 1336.082673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.082673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.082673][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.082673][ T10] netlink_unicast+0x449/0x710 [ 1336.082673][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.082673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.082673][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.082673][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.082673][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.082673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.082673][ T10] [ 1336.084210][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1336.084210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1336.084210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1336.084210][ T10] ipv6_find_idev+0x102/0x170 [ 1336.084210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.084210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.084210][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.084210][ T10] netlink_unicast+0x449/0x710 [ 1336.084210][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.084210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.084210][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.084210][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.084210][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.084210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.084210][ T10] [ 1336.085895][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1336.086179][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1336.086179][ T10] netdev_get_by_index+0x5e/0x80 [ 1336.086179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1336.086179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1336.086179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1336.086179][ T10] ipv6_add_addr+0x411/0x2000 [ 1336.086179][ T10] inet6_addr_add+0x30e/0xa40 [ 1336.086179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.086179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.086179][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.086179][ T10] netlink_unicast+0x449/0x710 [ 1336.086179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.086179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.086179][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.086179][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.086179][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.086179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.086179][ T10] [ 1336.088178][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1336.088178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1336.088178][ T10] ipv6_find_idev+0x102/0x170 [ 1336.088178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.088178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.088178][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.088178][ T10] netlink_unicast+0x449/0x710 [ 1336.088178][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.088178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.088178][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.088178][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.088178][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.088178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.088178][ T10] [ 1336.089705][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1336.089705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1336.089705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1336.089705][ T10] ipv6_find_idev+0x102/0x170 [ 1336.089705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.089705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.089705][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.089705][ T10] netlink_unicast+0x449/0x710 [ 1336.089705][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.089705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.089705][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.089705][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.089705][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.089705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.089705][ T10] [ 1336.091391][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1336.091660][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1336.091660][ T10] netdev_get_by_index+0x5e/0x80 [ 1336.091660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1336.091660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1336.091660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1336.091660][ T10] ipv6_add_addr+0x411/0x2000 [ 1336.091660][ T10] inet6_addr_add+0x30e/0xa40 [ 1336.091660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.091660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.091660][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.091660][ T10] netlink_unicast+0x449/0x710 [ 1336.091660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.091660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.091660][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.091660][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.091660][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.091660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.091660][ T10] [ 1336.093644][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1336.093644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1336.093644][ T10] ipv6_find_idev+0x102/0x170 [ 1336.093644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.093644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.093644][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.093644][ T10] netlink_unicast+0x449/0x710 [ 1336.093644][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.093644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.093644][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.093644][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.093644][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.093644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.093644][ T10] [ 1336.095175][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1336.095175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1336.095175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1336.095175][ T10] ipv6_find_idev+0x102/0x170 [ 1336.095175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.095175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.095175][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.095175][ T10] netlink_unicast+0x449/0x710 [ 1336.095175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.095175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.095175][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.095175][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.095175][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.095175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.095175][ T10] [ 1336.096848][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1336.097123][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1336.097123][ T10] netdev_get_by_index+0x5e/0x80 [ 1336.097123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1336.097123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1336.097123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1336.097123][ T10] ipv6_add_addr+0x411/0x2000 [ 1336.097123][ T10] inet6_addr_add+0x30e/0xa40 [ 1336.097123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.097123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.097123][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.097123][ T10] netlink_unicast+0x449/0x710 [ 1336.097123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.097123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.097123][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.097123][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.097123][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.097123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.097123][ T10] [ 1336.099117][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1336.099117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1336.099117][ T10] ipv6_find_idev+0x102/0x170 [ 1336.099117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.099117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.099117][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.099117][ T10] netlink_unicast+0x449/0x710 [ 1336.099117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.099117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.099117][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.099117][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.099117][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.099117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.099117][ T10] [ 1336.100655][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1336.100655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1336.100655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1336.100655][ T10] ipv6_find_idev+0x102/0x170 [ 1336.100655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.100655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.100655][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.100655][ T10] netlink_unicast+0x449/0x710 [ 1336.100655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.100655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.100655][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.100655][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.100655][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.100655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.100655][ T10] [ 1336.102372][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1336.102639][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1336.102639][ T10] netdev_get_by_index+0x5e/0x80 [ 1336.102639][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1336.102639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1336.102639][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1336.102639][ T10] ipv6_add_addr+0x411/0x2000 [ 1336.102639][ T10] inet6_addr_add+0x30e/0xa40 [ 1336.102639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.102639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.102639][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.102639][ T10] netlink_unicast+0x449/0x710 [ 1336.102639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.102639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.102639][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.102639][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.102639][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.102639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.102639][ T10] [ 1336.104620][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1336.104620][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1336.104620][ T10] ipv6_find_idev+0x102/0x170 [ 1336.104620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.104620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.104620][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.104620][ T10] netlink_unicast+0x449/0x710 [ 1336.104620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.104620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.104620][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.104620][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.104620][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.104620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.104620][ T10] [ 1336.106153][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1336.106153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1336.106153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1336.106153][ T10] ipv6_find_idev+0x102/0x170 [ 1336.106153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.106153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.106153][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.106153][ T10] netlink_unicast+0x449/0x710 [ 1336.106153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.106153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.106153][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.106153][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.106153][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.106153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.106153][ T10] [ 1336.108060][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1336.108391][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1336.108391][ T10] netdev_get_by_index+0x5e/0x80 [ 1336.108391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1336.108391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1336.108391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1336.108391][ T10] ipv6_add_addr+0x411/0x2000 [ 1336.108391][ T10] inet6_addr_add+0x30e/0xa40 [ 1336.108391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.108391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.108391][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.108391][ T10] netlink_unicast+0x449/0x710 [ 1336.108391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.108391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.108391][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.108391][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.108391][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.108391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.108391][ T10] [ 1336.110616][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1336.110616][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1336.110616][ T10] ipv6_find_idev+0x102/0x170 [ 1336.110616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.110616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.110616][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.110616][ T10] netlink_unicast+0x449/0x710 [ 1336.110616][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.110616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.110616][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.110616][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.110616][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.110616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.110616][ T10] [ 1336.112310][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1336.112310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1336.112310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1336.112310][ T10] ipv6_find_idev+0x102/0x170 [ 1336.112310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.112310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.112310][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.112310][ T10] netlink_unicast+0x449/0x710 [ 1336.112310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.112310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.112310][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.112310][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.112310][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.112310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.112310][ T10] [ 1336.114186][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1336.114453][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1336.114453][ T10] netdev_get_by_index+0x5e/0x80 [ 1336.114453][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1336.114453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1336.114453][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1336.114453][ T10] ipv6_add_addr+0x411/0x2000 [ 1336.114453][ T10] inet6_addr_add+0x30e/0xa40 [ 1336.114453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.114453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.114453][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.114453][ T10] netlink_unicast+0x449/0x710 [ 1336.114453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.114453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.114453][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.114453][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.114453][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.114453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.114453][ T10] [ 1336.116656][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1336.116656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1336.116656][ T10] ipv6_find_idev+0x102/0x170 [ 1336.116656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.116656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.116656][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.116656][ T10] netlink_unicast+0x449/0x710 [ 1336.116656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.116656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.116656][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.116656][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.116656][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.116656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.116656][ T10] [ 1336.118358][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1336.118358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1336.118358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1336.118358][ T10] ipv6_find_idev+0x102/0x170 [ 1336.118358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.118358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.118358][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.118358][ T10] netlink_unicast+0x449/0x710 [ 1336.118358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.118358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.118358][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.118358][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.118358][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.118358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.118358][ T10] [ 1336.120303][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1336.120565][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1336.120565][ T10] netdev_get_by_index+0x5e/0x80 [ 1336.120565][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1336.120565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1336.120565][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1336.120565][ T10] ipv6_add_addr+0x411/0x2000 [ 1336.120565][ T10] inet6_addr_add+0x30e/0xa40 [ 1336.120565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1336.120565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.120565][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.120565][ T10] netlink_unicast+0x449/0x710 [ 1336.120565][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.120565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.120565][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.120565][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.120565][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.120565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.120565][ T10] [ 1336.122769][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1336.122769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1336.122769][ T10] ipv6_find_idev+0x102/0x170 [ 1336.122769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.122769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.122769][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.122769][ T10] netlink_unicast+0x449/0x710 [ 1336.122769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.122769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.122769][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.122769][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.122769][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.122769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.122769][ T10] [ 1336.124460][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1336.124460][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1336.124460][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1336.124460][ T10] ipv6_find_idev+0x102/0x170 [ 1336.124460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1336.124460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1336.124460][ T10] netlink_rcv_skb+0x130/0x360 [ 1336.124460][ T10] netlink_unicast+0x449/0x710 [ 1336.124460][ T10] netlink_sendmsg+0x723/0xbe0 [ 1336.124460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1336.124460][ T10] ___sys_sendmsg+0xee/0x170 [ 1336.124460][ T10] __sys_sendmsg+0xcd/0x170 [ 1336.124460][ T10] do_syscall_64+0xc6/0x1e0 [ 1336.124460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1336.124460][ T10] [ 1346.240116][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1346.240441][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1346.240441][ T10] netdev_get_by_index+0x5e/0x80 [ 1346.240441][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1346.240441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1346.240441][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1346.240441][ T10] ipv6_add_addr+0x411/0x2000 [ 1346.240441][ T10] inet6_addr_add+0x30e/0xa40 [ 1346.240441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1346.240441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.240441][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.240441][ T10] netlink_unicast+0x449/0x710 [ 1346.240441][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.240441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.240441][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.240441][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.240441][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.240441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.240441][ T10] [ 1346.242513][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1346.242513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1346.242513][ T10] ipv6_find_idev+0x102/0x170 [ 1346.242513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.242513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.242513][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.242513][ T10] netlink_unicast+0x449/0x710 [ 1346.242513][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.242513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.242513][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.242513][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.242513][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.242513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.242513][ T10] [ 1346.244135][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1346.244135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1346.244135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1346.244135][ T10] ipv6_find_idev+0x102/0x170 [ 1346.244135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.244135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.244135][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.244135][ T10] netlink_unicast+0x449/0x710 [ 1346.244135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.244135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.244135][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.244135][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.244135][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.244135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.244135][ T10] [ 1346.245872][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1346.246152][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1346.246152][ T10] netdev_get_by_index+0x5e/0x80 [ 1346.246152][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1346.246152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1346.246152][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1346.246152][ T10] ipv6_add_addr+0x411/0x2000 [ 1346.246152][ T10] inet6_addr_add+0x30e/0xa40 [ 1346.246152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1346.246152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.246152][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.246152][ T10] netlink_unicast+0x449/0x710 [ 1346.246152][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.246152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.246152][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.246152][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.246152][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.246152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.246152][ T10] [ 1346.248178][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1346.248178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1346.248178][ T10] ipv6_find_idev+0x102/0x170 [ 1346.248178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.248178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.248178][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.248178][ T10] netlink_unicast+0x449/0x710 [ 1346.248178][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.248178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.248178][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.248178][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.248178][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.248178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.248178][ T10] [ 1346.249731][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1346.249731][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1346.249731][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1346.249731][ T10] ipv6_find_idev+0x102/0x170 [ 1346.249731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.249731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.249731][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.249731][ T10] netlink_unicast+0x449/0x710 [ 1346.249731][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.249731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.249731][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.249731][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.249731][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.249731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.249731][ T10] [ 1346.251460][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1346.251734][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1346.251734][ T10] netdev_get_by_index+0x5e/0x80 [ 1346.251734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1346.251734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1346.251734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1346.251734][ T10] ipv6_add_addr+0x411/0x2000 [ 1346.251734][ T10] inet6_addr_add+0x30e/0xa40 [ 1346.251734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1346.251734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.251734][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.251734][ T10] netlink_unicast+0x449/0x710 [ 1346.251734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.251734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.251734][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.251734][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.251734][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.251734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.251734][ T10] [ 1346.253823][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1346.253823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1346.253823][ T10] ipv6_find_idev+0x102/0x170 [ 1346.253823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.253823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.253823][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.253823][ T10] netlink_unicast+0x449/0x710 [ 1346.253823][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.253823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.253823][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.253823][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.253823][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.253823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.253823][ T10] [ 1346.255507][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1346.255507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1346.255507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1346.255507][ T10] ipv6_find_idev+0x102/0x170 [ 1346.255507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.255507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.255507][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.255507][ T10] netlink_unicast+0x449/0x710 [ 1346.255507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.255507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.255507][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.255507][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.255507][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.255507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.255507][ T10] [ 1346.257420][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1346.257748][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1346.257748][ T10] netdev_get_by_index+0x5e/0x80 [ 1346.257748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1346.257748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1346.257748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1346.257748][ T10] ipv6_add_addr+0x411/0x2000 [ 1346.257748][ T10] inet6_addr_add+0x30e/0xa40 [ 1346.257748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1346.257748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.257748][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.257748][ T10] netlink_unicast+0x449/0x710 [ 1346.257748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.257748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.257748][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.257748][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.257748][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.257748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.257748][ T10] [ 1346.259956][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1346.259956][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1346.259956][ T10] ipv6_find_idev+0x102/0x170 [ 1346.259956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.259956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.259956][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.259956][ T10] netlink_unicast+0x449/0x710 [ 1346.259956][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.259956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.259956][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.259956][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.259956][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.259956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.259956][ T10] [ 1346.261637][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1346.261637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1346.261637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1346.261637][ T10] ipv6_find_idev+0x102/0x170 [ 1346.261637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.261637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.261637][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.261637][ T10] netlink_unicast+0x449/0x710 [ 1346.261637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.261637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.261637][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.261637][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.261637][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.261637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.261637][ T10] [ 1346.264067][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1346.264678][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1346.264678][ T10] netdev_get_by_index+0x5e/0x80 [ 1346.264678][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1346.264678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1346.264678][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1346.264678][ T10] ipv6_add_addr+0x411/0x2000 [ 1346.264678][ T10] inet6_addr_add+0x30e/0xa40 [ 1346.264678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1346.264678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.264678][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.264678][ T10] netlink_unicast+0x449/0x710 [ 1346.264678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.264678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.264678][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.264678][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.264678][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.264678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.264678][ T10] [ 1346.266698][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1346.266698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1346.266698][ T10] ipv6_find_idev+0x102/0x170 [ 1346.266698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.266698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.266698][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.266698][ T10] netlink_unicast+0x449/0x710 [ 1346.266698][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.266698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.266698][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.266698][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.266698][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.266698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.266698][ T10] [ 1346.268244][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1346.268244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1346.268244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1346.268244][ T10] ipv6_find_idev+0x102/0x170 [ 1346.268244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.268244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.268244][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.268244][ T10] netlink_unicast+0x449/0x710 [ 1346.268244][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.268244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.268244][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.268244][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.268244][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.268244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.268244][ T10] [ 1346.270107][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1346.270368][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1346.270368][ T10] netdev_get_by_index+0x5e/0x80 [ 1346.270368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1346.270368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1346.270368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1346.270368][ T10] ipv6_add_addr+0x411/0x2000 [ 1346.270368][ T10] inet6_addr_add+0x30e/0xa40 [ 1346.270368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1346.270368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.270368][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.270368][ T10] netlink_unicast+0x449/0x710 [ 1346.270368][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.270368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.270368][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.270368][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.270368][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.270368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.270368][ T10] [ 1346.272440][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1346.272440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1346.272440][ T10] ipv6_find_idev+0x102/0x170 [ 1346.272440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.272440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.272440][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.272440][ T10] netlink_unicast+0x449/0x710 [ 1346.272440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.272440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.272440][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.272440][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.272440][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.272440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.272440][ T10] [ 1346.273981][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1346.273981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1346.273981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1346.273981][ T10] ipv6_find_idev+0x102/0x170 [ 1346.273981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.273981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.273981][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.273981][ T10] netlink_unicast+0x449/0x710 [ 1346.273981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.273981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.273981][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.273981][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.273981][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.273981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.273981][ T10] [ 1346.275832][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1346.276097][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1346.276097][ T10] netdev_get_by_index+0x5e/0x80 [ 1346.276097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1346.276097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1346.276097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1346.276097][ T10] ipv6_add_addr+0x411/0x2000 [ 1346.276097][ T10] inet6_addr_add+0x30e/0xa40 [ 1346.276097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1346.276097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.276097][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.276097][ T10] netlink_unicast+0x449/0x710 [ 1346.276097][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.276097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.276097][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.276097][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.276097][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.276097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.276097][ T10] [ 1346.278382][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1346.278382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1346.278382][ T10] ipv6_find_idev+0x102/0x170 [ 1346.278382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.278382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.278382][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.278382][ T10] netlink_unicast+0x449/0x710 [ 1346.278382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.278382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.278382][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.278382][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.278382][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.278382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.278382][ T10] [ 1346.280190][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1346.280190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1346.280190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1346.280190][ T10] ipv6_find_idev+0x102/0x170 [ 1346.280190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.280190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.280190][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.280190][ T10] netlink_unicast+0x449/0x710 [ 1346.280190][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.280190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.280190][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.280190][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.280190][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.280190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.280190][ T10] [ 1346.282088][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1346.282408][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1346.282408][ T10] netdev_get_by_index+0x5e/0x80 [ 1346.282408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1346.282408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1346.282408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1346.282408][ T10] ipv6_add_addr+0x411/0x2000 [ 1346.282408][ T10] inet6_addr_add+0x30e/0xa40 [ 1346.282408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1346.282408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.282408][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.282408][ T10] netlink_unicast+0x449/0x710 [ 1346.282408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.282408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.282408][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.282408][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.282408][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.282408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.282408][ T10] [ 1346.284690][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1346.284690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1346.284690][ T10] ipv6_find_idev+0x102/0x170 [ 1346.284690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.284690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.284690][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.284690][ T10] netlink_unicast+0x449/0x710 [ 1346.284690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.284690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.284690][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.284690][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.284690][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.284690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.284690][ T10] [ 1346.286372][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1346.286372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1346.286372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1346.286372][ T10] ipv6_find_idev+0x102/0x170 [ 1346.286372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1346.286372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1346.286372][ T10] netlink_rcv_skb+0x130/0x360 [ 1346.286372][ T10] netlink_unicast+0x449/0x710 [ 1346.286372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1346.286372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1346.286372][ T10] ___sys_sendmsg+0xee/0x170 [ 1346.286372][ T10] __sys_sendmsg+0xcd/0x170 [ 1346.286372][ T10] do_syscall_64+0xc6/0x1e0 [ 1346.286372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1346.286372][ T10] [ 1356.360203][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1356.360845][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1356.360845][ T10] netdev_get_by_index+0x5e/0x80 [ 1356.360845][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1356.360845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1356.360845][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1356.360845][ T10] ipv6_add_addr+0x411/0x2000 [ 1356.360845][ T10] inet6_addr_add+0x30e/0xa40 [ 1356.360845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1356.360845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.360845][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.360845][ T10] netlink_unicast+0x449/0x710 [ 1356.360845][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.360845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.360845][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.360845][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.360845][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.360845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.360845][ T10] [ 1356.363178][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1356.363178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1356.363178][ T10] ipv6_find_idev+0x102/0x170 [ 1356.363178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.363178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.363178][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.363178][ T10] netlink_unicast+0x449/0x710 [ 1356.363178][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.363178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.363178][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.363178][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.363178][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.363178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.363178][ T10] [ 1356.364993][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1356.364993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1356.364993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1356.364993][ T10] ipv6_find_idev+0x102/0x170 [ 1356.364993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.364993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.364993][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.364993][ T10] netlink_unicast+0x449/0x710 [ 1356.364993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.364993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.364993][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.364993][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.364993][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.364993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.364993][ T10] [ 1356.367011][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1356.367356][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1356.367356][ T10] netdev_get_by_index+0x5e/0x80 [ 1356.367356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1356.367356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1356.367356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1356.367356][ T10] ipv6_add_addr+0x411/0x2000 [ 1356.367356][ T10] inet6_addr_add+0x30e/0xa40 [ 1356.367356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1356.367356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.367356][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.367356][ T10] netlink_unicast+0x449/0x710 [ 1356.367356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.367356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.367356][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.367356][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.367356][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.367356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.367356][ T10] [ 1356.369636][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1356.369636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1356.369636][ T10] ipv6_find_idev+0x102/0x170 [ 1356.369636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.369636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.369636][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.369636][ T10] netlink_unicast+0x449/0x710 [ 1356.369636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.369636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.369636][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.369636][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.369636][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.369636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.369636][ T10] [ 1356.371413][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1356.371413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1356.371413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1356.371413][ T10] ipv6_find_idev+0x102/0x170 [ 1356.371413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.371413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.371413][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.371413][ T10] netlink_unicast+0x449/0x710 [ 1356.371413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.371413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.371413][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.371413][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.371413][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.371413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.371413][ T10] [ 1356.373314][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1356.373622][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1356.373622][ T10] netdev_get_by_index+0x5e/0x80 [ 1356.373622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1356.373622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1356.373622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1356.373622][ T10] ipv6_add_addr+0x411/0x2000 [ 1356.373622][ T10] inet6_addr_add+0x30e/0xa40 [ 1356.373622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1356.373622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.373622][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.373622][ T10] netlink_unicast+0x449/0x710 [ 1356.373622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.373622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.373622][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.373622][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.373622][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.373622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.373622][ T10] [ 1356.375898][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1356.375898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1356.375898][ T10] ipv6_find_idev+0x102/0x170 [ 1356.375898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.375898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.375898][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.375898][ T10] netlink_unicast+0x449/0x710 [ 1356.375898][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.375898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.375898][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.375898][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.375898][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.375898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.375898][ T10] [ 1356.377625][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1356.377625][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1356.377625][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1356.377625][ T10] ipv6_find_idev+0x102/0x170 [ 1356.377625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.377625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.377625][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.377625][ T10] netlink_unicast+0x449/0x710 [ 1356.377625][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.377625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.377625][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.377625][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.377625][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.377625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.377625][ T10] [ 1356.379584][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1356.379891][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1356.379891][ T10] netdev_get_by_index+0x5e/0x80 [ 1356.379891][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1356.379891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1356.379891][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1356.379891][ T10] ipv6_add_addr+0x411/0x2000 [ 1356.379891][ T10] inet6_addr_add+0x30e/0xa40 [ 1356.379891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1356.379891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.379891][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.379891][ T10] netlink_unicast+0x449/0x710 [ 1356.379891][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.379891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.379891][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.379891][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.379891][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.379891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.379891][ T10] [ 1356.382145][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1356.382145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1356.382145][ T10] ipv6_find_idev+0x102/0x170 [ 1356.382145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.382145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.382145][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.382145][ T10] netlink_unicast+0x449/0x710 [ 1356.382145][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.382145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.382145][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.382145][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.382145][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.382145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.382145][ T10] [ 1356.383916][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1356.383916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1356.383916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1356.383916][ T10] ipv6_find_idev+0x102/0x170 [ 1356.383916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.383916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.383916][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.383916][ T10] netlink_unicast+0x449/0x710 [ 1356.383916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.383916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.383916][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.383916][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.383916][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.383916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.383916][ T10] [ 1356.386292][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1356.386650][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1356.386650][ T10] netdev_get_by_index+0x5e/0x80 [ 1356.386650][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1356.386650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1356.386650][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1356.386650][ T10] ipv6_add_addr+0x411/0x2000 [ 1356.386650][ T10] inet6_addr_add+0x30e/0xa40 [ 1356.386650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1356.386650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.386650][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.386650][ T10] netlink_unicast+0x449/0x710 [ 1356.386650][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.386650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.386650][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.386650][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.386650][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.386650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.386650][ T10] [ 1356.388911][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1356.388911][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1356.388911][ T10] ipv6_find_idev+0x102/0x170 [ 1356.388911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.388911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.388911][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.388911][ T10] netlink_unicast+0x449/0x710 [ 1356.388911][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.388911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.388911][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.388911][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.388911][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.388911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.388911][ T10] [ 1356.390676][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1356.390676][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1356.390676][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1356.390676][ T10] ipv6_find_idev+0x102/0x170 [ 1356.390676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.390676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.390676][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.390676][ T10] netlink_unicast+0x449/0x710 [ 1356.390676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.390676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.390676][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.390676][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.390676][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.390676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.390676][ T10] [ 1356.392624][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1356.392976][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1356.392976][ T10] netdev_get_by_index+0x5e/0x80 [ 1356.392976][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1356.392976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1356.392976][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1356.392976][ T10] ipv6_add_addr+0x411/0x2000 [ 1356.392976][ T10] inet6_addr_add+0x30e/0xa40 [ 1356.392976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1356.392976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.392976][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.392976][ T10] netlink_unicast+0x449/0x710 [ 1356.392976][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.392976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.392976][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.392976][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.392976][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.392976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.392976][ T10] [ 1356.395267][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1356.395267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1356.395267][ T10] ipv6_find_idev+0x102/0x170 [ 1356.395267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.395267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.395267][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.395267][ T10] netlink_unicast+0x449/0x710 [ 1356.395267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.395267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.395267][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.395267][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.395267][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.395267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.395267][ T10] [ 1356.397307][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1356.397307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1356.397307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1356.397307][ T10] ipv6_find_idev+0x102/0x170 [ 1356.397307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.397307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.397307][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.397307][ T10] netlink_unicast+0x449/0x710 [ 1356.397307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.397307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.397307][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.397307][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.397307][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.397307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.397307][ T10] [ 1356.399500][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1356.399839][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1356.399839][ T10] netdev_get_by_index+0x5e/0x80 [ 1356.399839][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1356.399839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1356.399839][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1356.399839][ T10] ipv6_add_addr+0x411/0x2000 [ 1356.399839][ T10] inet6_addr_add+0x30e/0xa40 [ 1356.399839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1356.399839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.399839][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.399839][ T10] netlink_unicast+0x449/0x710 [ 1356.399839][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.399839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.399839][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.399839][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.399839][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.399839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.399839][ T10] [ 1356.402270][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1356.402270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1356.402270][ T10] ipv6_find_idev+0x102/0x170 [ 1356.402270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.402270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.402270][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.402270][ T10] netlink_unicast+0x449/0x710 [ 1356.402270][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.402270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.402270][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.402270][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.402270][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.402270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.402270][ T10] [ 1356.404170][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1356.404170][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1356.404170][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1356.404170][ T10] ipv6_find_idev+0x102/0x170 [ 1356.404170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.404170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.404170][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.404170][ T10] netlink_unicast+0x449/0x710 [ 1356.404170][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.404170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.404170][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.404170][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.404170][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.404170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.404170][ T10] [ 1356.406361][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1356.406701][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1356.406701][ T10] netdev_get_by_index+0x5e/0x80 [ 1356.406701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1356.406701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1356.406701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1356.406701][ T10] ipv6_add_addr+0x411/0x2000 [ 1356.406701][ T10] inet6_addr_add+0x30e/0xa40 [ 1356.406701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1356.406701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.406701][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.406701][ T10] netlink_unicast+0x449/0x710 [ 1356.406701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.406701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.406701][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.406701][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.406701][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.406701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.406701][ T10] [ 1356.409222][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1356.409222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1356.409222][ T10] ipv6_find_idev+0x102/0x170 [ 1356.409222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.409222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.409222][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.409222][ T10] netlink_unicast+0x449/0x710 [ 1356.409222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.409222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.409222][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.409222][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.409222][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.409222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.409222][ T10] [ 1356.411062][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1356.411062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1356.411062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1356.411062][ T10] ipv6_find_idev+0x102/0x170 [ 1356.411062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1356.411062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1356.411062][ T10] netlink_rcv_skb+0x130/0x360 [ 1356.411062][ T10] netlink_unicast+0x449/0x710 [ 1356.411062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1356.411062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1356.411062][ T10] ___sys_sendmsg+0xee/0x170 [ 1356.411062][ T10] __sys_sendmsg+0xcd/0x170 [ 1356.411062][ T10] do_syscall_64+0xc6/0x1e0 [ 1356.411062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1356.411062][ T10] [ 1366.664232][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1366.664737][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1366.664737][ T10] netdev_get_by_index+0x5e/0x80 [ 1366.664737][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1366.664737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1366.664737][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1366.664737][ T10] ipv6_add_addr+0x411/0x2000 [ 1366.664737][ T10] inet6_addr_add+0x30e/0xa40 [ 1366.664737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1366.664737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.664737][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.664737][ T10] netlink_unicast+0x449/0x710 [ 1366.664737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.664737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.664737][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.664737][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.664737][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.664737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.664737][ T10] [ 1366.666737][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1366.666737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1366.666737][ T10] ipv6_find_idev+0x102/0x170 [ 1366.666737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.666737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.666737][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.666737][ T10] netlink_unicast+0x449/0x710 [ 1366.666737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.666737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.666737][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.666737][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.666737][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.666737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.666737][ T10] [ 1366.668309][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1366.668309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1366.668309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1366.668309][ T10] ipv6_find_idev+0x102/0x170 [ 1366.668309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.668309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.668309][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.668309][ T10] netlink_unicast+0x449/0x710 [ 1366.668309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.668309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.668309][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.668309][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.668309][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.668309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.668309][ T10] [ 1366.669981][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1366.670261][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1366.670261][ T10] netdev_get_by_index+0x5e/0x80 [ 1366.670261][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1366.670261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1366.670261][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1366.670261][ T10] ipv6_add_addr+0x411/0x2000 [ 1366.670261][ T10] inet6_addr_add+0x30e/0xa40 [ 1366.670261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1366.670261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.670261][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.670261][ T10] netlink_unicast+0x449/0x710 [ 1366.670261][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.670261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.670261][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.670261][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.670261][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.670261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.670261][ T10] [ 1366.672261][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1366.672261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1366.672261][ T10] ipv6_find_idev+0x102/0x170 [ 1366.672261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.672261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.672261][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.672261][ T10] netlink_unicast+0x449/0x710 [ 1366.672261][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.672261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.672261][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.672261][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.672261][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.672261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.672261][ T10] [ 1366.673785][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1366.673785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1366.673785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1366.673785][ T10] ipv6_find_idev+0x102/0x170 [ 1366.673785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.673785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.673785][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.673785][ T10] netlink_unicast+0x449/0x710 [ 1366.673785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.673785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.673785][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.673785][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.673785][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.673785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.673785][ T10] [ 1366.675447][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1366.675734][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1366.675734][ T10] netdev_get_by_index+0x5e/0x80 [ 1366.675734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1366.675734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1366.675734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1366.675734][ T10] ipv6_add_addr+0x411/0x2000 [ 1366.675734][ T10] inet6_addr_add+0x30e/0xa40 [ 1366.675734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1366.675734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.675734][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.675734][ T10] netlink_unicast+0x449/0x710 [ 1366.675734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.675734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.675734][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.675734][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.675734][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.675734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.675734][ T10] [ 1366.677694][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1366.677694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1366.677694][ T10] ipv6_find_idev+0x102/0x170 [ 1366.677694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.677694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.677694][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.677694][ T10] netlink_unicast+0x449/0x710 [ 1366.677694][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.677694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.677694][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.677694][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.677694][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.677694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.677694][ T10] [ 1366.679182][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1366.679182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1366.679182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1366.679182][ T10] ipv6_find_idev+0x102/0x170 [ 1366.679182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.679182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.679182][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.679182][ T10] netlink_unicast+0x449/0x710 [ 1366.679182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.679182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.679182][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.679182][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.679182][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.679182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.679182][ T10] [ 1366.680807][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1366.681097][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1366.681097][ T10] netdev_get_by_index+0x5e/0x80 [ 1366.681097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1366.681097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1366.681097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1366.681097][ T10] ipv6_add_addr+0x411/0x2000 [ 1366.681097][ T10] inet6_addr_add+0x30e/0xa40 [ 1366.681097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1366.681097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.681097][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.681097][ T10] netlink_unicast+0x449/0x710 [ 1366.681097][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.681097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.681097][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.681097][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.681097][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.681097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.681097][ T10] [ 1366.683059][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1366.683059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1366.683059][ T10] ipv6_find_idev+0x102/0x170 [ 1366.683059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.683059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.683059][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.683059][ T10] netlink_unicast+0x449/0x710 [ 1366.683059][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.683059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.683059][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.683059][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.683059][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.683059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.683059][ T10] [ 1366.684546][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1366.684546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1366.684546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1366.684546][ T10] ipv6_find_idev+0x102/0x170 [ 1366.684546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.684546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.684546][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.684546][ T10] netlink_unicast+0x449/0x710 [ 1366.684546][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.684546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.684546][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.684546][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.684546][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.684546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.684546][ T10] [ 1366.686609][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1366.686871][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1366.686871][ T10] netdev_get_by_index+0x5e/0x80 [ 1366.686871][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1366.686871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1366.686871][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1366.686871][ T10] ipv6_add_addr+0x411/0x2000 [ 1366.686871][ T10] inet6_addr_add+0x30e/0xa40 [ 1366.686871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1366.686871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.686871][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.686871][ T10] netlink_unicast+0x449/0x710 [ 1366.686871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.686871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.686871][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.686871][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.686871][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.686871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.686871][ T10] [ 1366.688829][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1366.688829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1366.688829][ T10] ipv6_find_idev+0x102/0x170 [ 1366.688829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.688829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.688829][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.688829][ T10] netlink_unicast+0x449/0x710 [ 1366.688829][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.688829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.688829][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.688829][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.688829][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.688829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.688829][ T10] [ 1366.690355][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1366.690355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1366.690355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1366.690355][ T10] ipv6_find_idev+0x102/0x170 [ 1366.690355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.690355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.690355][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.690355][ T10] netlink_unicast+0x449/0x710 [ 1366.690355][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.690355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.690355][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.690355][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.690355][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.690355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.690355][ T10] [ 1366.692063][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1366.692378][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1366.692378][ T10] netdev_get_by_index+0x5e/0x80 [ 1366.692378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1366.692378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1366.692378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1366.692378][ T10] ipv6_add_addr+0x411/0x2000 [ 1366.692378][ T10] inet6_addr_add+0x30e/0xa40 [ 1366.692378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1366.692378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.692378][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.692378][ T10] netlink_unicast+0x449/0x710 [ 1366.692378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.692378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.692378][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.692378][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.692378][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.692378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.692378][ T10] [ 1366.694463][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1366.694463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1366.694463][ T10] ipv6_find_idev+0x102/0x170 [ 1366.694463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.694463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.694463][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.694463][ T10] netlink_unicast+0x449/0x710 [ 1366.694463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.694463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.694463][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.694463][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.694463][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.694463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.694463][ T10] [ 1366.696182][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1366.696182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1366.696182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1366.696182][ T10] ipv6_find_idev+0x102/0x170 [ 1366.696182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.696182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.696182][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.696182][ T10] netlink_unicast+0x449/0x710 [ 1366.696182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.696182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.696182][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.696182][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.696182][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.696182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.696182][ T10] [ 1366.698060][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1366.698382][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1366.698382][ T10] netdev_get_by_index+0x5e/0x80 [ 1366.698382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1366.698382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1366.698382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1366.698382][ T10] ipv6_add_addr+0x411/0x2000 [ 1366.698382][ T10] inet6_addr_add+0x30e/0xa40 [ 1366.698382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1366.698382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.698382][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.698382][ T10] netlink_unicast+0x449/0x710 [ 1366.698382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.698382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.698382][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.698382][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.698382][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.698382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.698382][ T10] [ 1366.700541][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1366.700541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1366.700541][ T10] ipv6_find_idev+0x102/0x170 [ 1366.700541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.700541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.700541][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.700541][ T10] netlink_unicast+0x449/0x710 [ 1366.700541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.700541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.700541][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.700541][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.700541][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.700541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.700541][ T10] [ 1366.702272][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1366.702272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1366.702272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1366.702272][ T10] ipv6_find_idev+0x102/0x170 [ 1366.702272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.702272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.702272][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.702272][ T10] netlink_unicast+0x449/0x710 [ 1366.702272][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.702272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.702272][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.702272][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.702272][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.702272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.702272][ T10] [ 1366.704166][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1366.704453][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1366.704453][ T10] netdev_get_by_index+0x5e/0x80 [ 1366.704453][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1366.704453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1366.704453][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1366.704453][ T10] ipv6_add_addr+0x411/0x2000 [ 1366.704453][ T10] inet6_addr_add+0x30e/0xa40 [ 1366.704453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1366.704453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.704453][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.704453][ T10] netlink_unicast+0x449/0x710 [ 1366.704453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.704453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.704453][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.704453][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.704453][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.704453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.704453][ T10] [ 1366.706713][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1366.706713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1366.706713][ T10] ipv6_find_idev+0x102/0x170 [ 1366.706713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.706713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.706713][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.706713][ T10] netlink_unicast+0x449/0x710 [ 1366.706713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.706713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.706713][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.706713][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.706713][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.706713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.706713][ T10] [ 1366.708442][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1366.708442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1366.708442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1366.708442][ T10] ipv6_find_idev+0x102/0x170 [ 1366.708442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1366.708442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1366.708442][ T10] netlink_rcv_skb+0x130/0x360 [ 1366.708442][ T10] netlink_unicast+0x449/0x710 [ 1366.708442][ T10] netlink_sendmsg+0x723/0xbe0 [ 1366.708442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1366.708442][ T10] ___sys_sendmsg+0xee/0x170 [ 1366.708442][ T10] __sys_sendmsg+0xcd/0x170 [ 1366.708442][ T10] do_syscall_64+0xc6/0x1e0 [ 1366.708442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1366.708442][ T10] [ 1376.760215][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1376.760619][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1376.760619][ T10] netdev_get_by_index+0x5e/0x80 [ 1376.760619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1376.760619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1376.760619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1376.760619][ T10] ipv6_add_addr+0x411/0x2000 [ 1376.760619][ T10] inet6_addr_add+0x30e/0xa40 [ 1376.760619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1376.760619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.760619][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.760619][ T10] netlink_unicast+0x449/0x710 [ 1376.760619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.760619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.760619][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.760619][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.760619][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.760619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.760619][ T10] [ 1376.762967][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1376.762967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1376.762967][ T10] ipv6_find_idev+0x102/0x170 [ 1376.762967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.762967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.762967][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.762967][ T10] netlink_unicast+0x449/0x710 [ 1376.762967][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.762967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.762967][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.762967][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.762967][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.762967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.762967][ T10] [ 1376.764762][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1376.764762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1376.764762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1376.764762][ T10] ipv6_find_idev+0x102/0x170 [ 1376.764762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.764762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.764762][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.764762][ T10] netlink_unicast+0x449/0x710 [ 1376.764762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.764762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.764762][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.764762][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.764762][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.764762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.764762][ T10] [ 1376.766759][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1376.767074][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1376.767074][ T10] netdev_get_by_index+0x5e/0x80 [ 1376.767074][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1376.767074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1376.767074][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1376.767074][ T10] ipv6_add_addr+0x411/0x2000 [ 1376.767074][ T10] inet6_addr_add+0x30e/0xa40 [ 1376.767074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1376.767074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.767074][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.767074][ T10] netlink_unicast+0x449/0x710 [ 1376.767074][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.767074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.767074][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.767074][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.767074][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.767074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.767074][ T10] [ 1376.769446][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1376.769446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1376.769446][ T10] ipv6_find_idev+0x102/0x170 [ 1376.769446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.769446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.769446][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.769446][ T10] netlink_unicast+0x449/0x710 [ 1376.769446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.769446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.769446][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.769446][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.769446][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.769446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.769446][ T10] [ 1376.771273][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1376.771273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1376.771273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1376.771273][ T10] ipv6_find_idev+0x102/0x170 [ 1376.771273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.771273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.771273][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.771273][ T10] netlink_unicast+0x449/0x710 [ 1376.771273][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.771273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.771273][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.771273][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.771273][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.771273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.771273][ T10] [ 1376.773310][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1376.773621][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1376.773621][ T10] netdev_get_by_index+0x5e/0x80 [ 1376.773621][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1376.773621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1376.773621][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1376.773621][ T10] ipv6_add_addr+0x411/0x2000 [ 1376.773621][ T10] inet6_addr_add+0x30e/0xa40 [ 1376.773621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1376.773621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.773621][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.773621][ T10] netlink_unicast+0x449/0x710 [ 1376.773621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.773621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.773621][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.773621][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.773621][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.773621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.773621][ T10] [ 1376.775994][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1376.775994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1376.775994][ T10] ipv6_find_idev+0x102/0x170 [ 1376.775994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.775994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.775994][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.775994][ T10] netlink_unicast+0x449/0x710 [ 1376.775994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.775994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.775994][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.775994][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.775994][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.775994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.775994][ T10] [ 1376.777975][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1376.777975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1376.777975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1376.777975][ T10] ipv6_find_idev+0x102/0x170 [ 1376.777975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.777975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.777975][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.777975][ T10] netlink_unicast+0x449/0x710 [ 1376.777975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.777975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.777975][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.777975][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.777975][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.777975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.777975][ T10] [ 1376.780047][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1376.780372][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1376.780372][ T10] netdev_get_by_index+0x5e/0x80 [ 1376.780372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1376.780372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1376.780372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1376.780372][ T10] ipv6_add_addr+0x411/0x2000 [ 1376.780372][ T10] inet6_addr_add+0x30e/0xa40 [ 1376.780372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1376.780372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.780372][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.780372][ T10] netlink_unicast+0x449/0x710 [ 1376.780372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.780372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.780372][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.780372][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.780372][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.780372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.780372][ T10] [ 1376.782908][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1376.782908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1376.782908][ T10] ipv6_find_idev+0x102/0x170 [ 1376.782908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.782908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.782908][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.782908][ T10] netlink_unicast+0x449/0x710 [ 1376.782908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.782908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.782908][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.782908][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.782908][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.782908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.782908][ T10] [ 1376.784778][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1376.784778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1376.784778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1376.784778][ T10] ipv6_find_idev+0x102/0x170 [ 1376.784778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.784778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.784778][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.784778][ T10] netlink_unicast+0x449/0x710 [ 1376.784778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.784778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.784778][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.784778][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.784778][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.784778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.784778][ T10] [ 1376.787041][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1376.787896][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1376.787896][ T10] netdev_get_by_index+0x5e/0x80 [ 1376.787896][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1376.787896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1376.787896][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1376.787896][ T10] ipv6_add_addr+0x411/0x2000 [ 1376.787896][ T10] inet6_addr_add+0x30e/0xa40 [ 1376.787896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1376.787896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.787896][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.787896][ T10] netlink_unicast+0x449/0x710 [ 1376.787896][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.787896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.787896][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.787896][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.787896][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.787896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.787896][ T10] [ 1376.790357][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1376.790357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1376.790357][ T10] ipv6_find_idev+0x102/0x170 [ 1376.790357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.790357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.790357][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.790357][ T10] netlink_unicast+0x449/0x710 [ 1376.790357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.790357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.790357][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.790357][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.790357][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.790357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.790357][ T10] [ 1376.792306][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1376.792306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1376.792306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1376.792306][ T10] ipv6_find_idev+0x102/0x170 [ 1376.792306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.792306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.792306][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.792306][ T10] netlink_unicast+0x449/0x710 [ 1376.792306][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.792306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.792306][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.792306][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.792306][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.792306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.792306][ T10] [ 1376.794405][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1376.794817][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1376.794817][ T10] netdev_get_by_index+0x5e/0x80 [ 1376.794817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1376.794817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1376.794817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1376.794817][ T10] ipv6_add_addr+0x411/0x2000 [ 1376.794817][ T10] inet6_addr_add+0x30e/0xa40 [ 1376.794817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1376.794817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.794817][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.794817][ T10] netlink_unicast+0x449/0x710 [ 1376.794817][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.794817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.794817][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.794817][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.794817][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.794817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.794817][ T10] [ 1376.797424][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1376.797424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1376.797424][ T10] ipv6_find_idev+0x102/0x170 [ 1376.797424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.797424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.797424][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.797424][ T10] netlink_unicast+0x449/0x710 [ 1376.797424][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.797424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.797424][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.797424][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.797424][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.797424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.797424][ T10] [ 1376.799383][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1376.799383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1376.799383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1376.799383][ T10] ipv6_find_idev+0x102/0x170 [ 1376.799383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.799383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.799383][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.799383][ T10] netlink_unicast+0x449/0x710 [ 1376.799383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.799383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.799383][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.799383][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.799383][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.799383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.799383][ T10] [ 1376.801607][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1376.802029][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1376.802029][ T10] netdev_get_by_index+0x5e/0x80 [ 1376.802029][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1376.802029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1376.802029][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1376.802029][ T10] ipv6_add_addr+0x411/0x2000 [ 1376.802029][ T10] inet6_addr_add+0x30e/0xa40 [ 1376.802029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1376.802029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.802029][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.802029][ T10] netlink_unicast+0x449/0x710 [ 1376.802029][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.802029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.802029][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.802029][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.802029][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.802029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.802029][ T10] [ 1376.804759][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1376.804759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1376.804759][ T10] ipv6_find_idev+0x102/0x170 [ 1376.804759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.804759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.804759][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.804759][ T10] netlink_unicast+0x449/0x710 [ 1376.804759][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.804759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.804759][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.804759][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.804759][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.804759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.804759][ T10] [ 1376.806880][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1376.806880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1376.806880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1376.806880][ T10] ipv6_find_idev+0x102/0x170 [ 1376.806880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.806880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.806880][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.806880][ T10] netlink_unicast+0x449/0x710 [ 1376.806880][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.806880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.806880][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.806880][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.806880][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.806880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.806880][ T10] [ 1376.809384][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1376.809742][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1376.809742][ T10] netdev_get_by_index+0x5e/0x80 [ 1376.809742][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1376.809742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1376.809742][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1376.809742][ T10] ipv6_add_addr+0x411/0x2000 [ 1376.809742][ T10] inet6_addr_add+0x30e/0xa40 [ 1376.809742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1376.809742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.809742][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.809742][ T10] netlink_unicast+0x449/0x710 [ 1376.809742][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.809742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.809742][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.809742][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.809742][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.809742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.809742][ T10] [ 1376.812202][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1376.812202][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1376.812202][ T10] ipv6_find_idev+0x102/0x170 [ 1376.812202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.812202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.812202][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.812202][ T10] netlink_unicast+0x449/0x710 [ 1376.812202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.812202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.812202][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.812202][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.812202][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.812202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.812202][ T10] [ 1376.813987][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1376.813987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1376.813987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1376.813987][ T10] ipv6_find_idev+0x102/0x170 [ 1376.813987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1376.813987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1376.813987][ T10] netlink_rcv_skb+0x130/0x360 [ 1376.813987][ T10] netlink_unicast+0x449/0x710 [ 1376.813987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1376.813987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1376.813987][ T10] ___sys_sendmsg+0xee/0x170 [ 1376.813987][ T10] __sys_sendmsg+0xcd/0x170 [ 1376.813987][ T10] do_syscall_64+0xc6/0x1e0 [ 1376.813987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1376.813987][ T10] [ 1386.968200][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1386.968563][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1386.968563][ T10] netdev_get_by_index+0x5e/0x80 [ 1386.968563][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1386.968563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1386.968563][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1386.968563][ T10] ipv6_add_addr+0x411/0x2000 [ 1386.968563][ T10] inet6_addr_add+0x30e/0xa40 [ 1386.968563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1386.968563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.968563][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.968563][ T10] netlink_unicast+0x449/0x710 [ 1386.968563][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.968563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.968563][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.968563][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.968563][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.968563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.968563][ T10] [ 1386.970571][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1386.970571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1386.970571][ T10] ipv6_find_idev+0x102/0x170 [ 1386.970571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1386.970571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.970571][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.970571][ T10] netlink_unicast+0x449/0x710 [ 1386.970571][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.970571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.970571][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.970571][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.970571][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.970571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.970571][ T10] [ 1386.972116][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1386.972116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1386.972116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1386.972116][ T10] ipv6_find_idev+0x102/0x170 [ 1386.972116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1386.972116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.972116][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.972116][ T10] netlink_unicast+0x449/0x710 [ 1386.972116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.972116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.972116][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.972116][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.972116][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.972116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.972116][ T10] [ 1386.973837][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1386.974107][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1386.974107][ T10] netdev_get_by_index+0x5e/0x80 [ 1386.974107][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1386.974107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1386.974107][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1386.974107][ T10] ipv6_add_addr+0x411/0x2000 [ 1386.974107][ T10] inet6_addr_add+0x30e/0xa40 [ 1386.974107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1386.974107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.974107][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.974107][ T10] netlink_unicast+0x449/0x710 [ 1386.974107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.974107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.974107][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.974107][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.974107][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.974107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.974107][ T10] [ 1386.976175][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1386.976175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1386.976175][ T10] ipv6_find_idev+0x102/0x170 [ 1386.976175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1386.976175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.976175][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.976175][ T10] netlink_unicast+0x449/0x710 [ 1386.976175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.976175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.976175][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.976175][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.976175][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.976175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.976175][ T10] [ 1386.977767][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1386.977767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1386.977767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1386.977767][ T10] ipv6_find_idev+0x102/0x170 [ 1386.977767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1386.977767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.977767][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.977767][ T10] netlink_unicast+0x449/0x710 [ 1386.977767][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.977767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.977767][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.977767][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.977767][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.977767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.977767][ T10] [ 1386.979535][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1386.979822][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1386.979822][ T10] netdev_get_by_index+0x5e/0x80 [ 1386.979822][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1386.979822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1386.979822][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1386.979822][ T10] ipv6_add_addr+0x411/0x2000 [ 1386.979822][ T10] inet6_addr_add+0x30e/0xa40 [ 1386.979822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1386.979822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.979822][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.979822][ T10] netlink_unicast+0x449/0x710 [ 1386.979822][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.979822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.979822][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.979822][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.979822][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.979822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.979822][ T10] [ 1386.981848][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1386.981848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1386.981848][ T10] ipv6_find_idev+0x102/0x170 [ 1386.981848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1386.981848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.981848][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.981848][ T10] netlink_unicast+0x449/0x710 [ 1386.981848][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.981848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.981848][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.981848][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.981848][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.981848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.981848][ T10] [ 1386.983452][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1386.983452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1386.983452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1386.983452][ T10] ipv6_find_idev+0x102/0x170 [ 1386.983452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1386.983452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.983452][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.983452][ T10] netlink_unicast+0x449/0x710 [ 1386.983452][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.983452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.983452][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.983452][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.983452][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.983452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.983452][ T10] [ 1386.985221][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1386.985497][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1386.985497][ T10] netdev_get_by_index+0x5e/0x80 [ 1386.985497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1386.985497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1386.985497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1386.985497][ T10] ipv6_add_addr+0x411/0x2000 [ 1386.985497][ T10] inet6_addr_add+0x30e/0xa40 [ 1386.985497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1386.985497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.985497][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.985497][ T10] netlink_unicast+0x449/0x710 [ 1386.985497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.985497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.985497][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.985497][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.985497][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.985497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.985497][ T10] [ 1386.987593][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1386.987593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1386.987593][ T10] ipv6_find_idev+0x102/0x170 [ 1386.987593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1386.987593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.987593][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.987593][ T10] netlink_unicast+0x449/0x710 [ 1386.987593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.987593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.987593][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.987593][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.987593][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.987593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.987593][ T10] [ 1386.989357][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1386.989357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1386.989357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1386.989357][ T10] ipv6_find_idev+0x102/0x170 [ 1386.989357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1386.989357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.989357][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.989357][ T10] netlink_unicast+0x449/0x710 [ 1386.989357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.989357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.989357][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.989357][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.989357][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.989357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.989357][ T10] [ 1386.991310][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1386.991588][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1386.991588][ T10] netdev_get_by_index+0x5e/0x80 [ 1386.991588][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1386.991588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1386.991588][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1386.991588][ T10] ipv6_add_addr+0x411/0x2000 [ 1386.991588][ T10] inet6_addr_add+0x30e/0xa40 [ 1386.991588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1386.991588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.991588][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.991588][ T10] netlink_unicast+0x449/0x710 [ 1386.991588][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.991588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.991588][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.991588][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.991588][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.991588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.991588][ T10] [ 1386.993855][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1386.993855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1386.993855][ T10] ipv6_find_idev+0x102/0x170 [ 1386.993855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1386.993855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.993855][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.993855][ T10] netlink_unicast+0x449/0x710 [ 1386.993855][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.993855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.993855][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.993855][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.993855][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.993855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.993855][ T10] [ 1386.995579][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1386.995579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1386.995579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1386.995579][ T10] ipv6_find_idev+0x102/0x170 [ 1386.995579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1386.995579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.995579][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.995579][ T10] netlink_unicast+0x449/0x710 [ 1386.995579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.995579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.995579][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.995579][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.995579][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.995579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.995579][ T10] [ 1386.997910][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1386.998236][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1386.998236][ T10] netdev_get_by_index+0x5e/0x80 [ 1386.998236][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1386.998236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1386.998236][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1386.998236][ T10] ipv6_add_addr+0x411/0x2000 [ 1386.998236][ T10] inet6_addr_add+0x30e/0xa40 [ 1386.998236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1386.998236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1386.998236][ T10] netlink_rcv_skb+0x130/0x360 [ 1386.998236][ T10] netlink_unicast+0x449/0x710 [ 1386.998236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1386.998236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1386.998236][ T10] ___sys_sendmsg+0xee/0x170 [ 1386.998236][ T10] __sys_sendmsg+0xcd/0x170 [ 1386.998236][ T10] do_syscall_64+0xc6/0x1e0 [ 1386.998236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1386.998236][ T10] [ 1387.000303][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1387.000303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1387.000303][ T10] ipv6_find_idev+0x102/0x170 [ 1387.000303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1387.000303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1387.000303][ T10] netlink_rcv_skb+0x130/0x360 [ 1387.000303][ T10] netlink_unicast+0x449/0x710 [ 1387.000303][ T10] netlink_sendmsg+0x723/0xbe0 [ 1387.000303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1387.000303][ T10] ___sys_sendmsg+0xee/0x170 [ 1387.000303][ T10] __sys_sendmsg+0xcd/0x170 [ 1387.000303][ T10] do_syscall_64+0xc6/0x1e0 [ 1387.000303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1387.000303][ T10] [ 1387.001837][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1387.001837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1387.001837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1387.001837][ T10] ipv6_find_idev+0x102/0x170 [ 1387.001837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1387.001837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1387.001837][ T10] netlink_rcv_skb+0x130/0x360 [ 1387.001837][ T10] netlink_unicast+0x449/0x710 [ 1387.001837][ T10] netlink_sendmsg+0x723/0xbe0 [ 1387.001837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1387.001837][ T10] ___sys_sendmsg+0xee/0x170 [ 1387.001837][ T10] __sys_sendmsg+0xcd/0x170 [ 1387.001837][ T10] do_syscall_64+0xc6/0x1e0 [ 1387.001837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1387.001837][ T10] [ 1387.003870][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1387.004137][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1387.004137][ T10] netdev_get_by_index+0x5e/0x80 [ 1387.004137][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1387.004137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1387.004137][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1387.004137][ T10] ipv6_add_addr+0x411/0x2000 [ 1387.004137][ T10] inet6_addr_add+0x30e/0xa40 [ 1387.004137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1387.004137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1387.004137][ T10] netlink_rcv_skb+0x130/0x360 [ 1387.004137][ T10] netlink_unicast+0x449/0x710 [ 1387.004137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1387.004137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1387.004137][ T10] ___sys_sendmsg+0xee/0x170 [ 1387.004137][ T10] __sys_sendmsg+0xcd/0x170 [ 1387.004137][ T10] do_syscall_64+0xc6/0x1e0 [ 1387.004137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1387.004137][ T10] [ 1387.006212][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1387.006212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1387.006212][ T10] ipv6_find_idev+0x102/0x170 [ 1387.006212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1387.006212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1387.006212][ T10] netlink_rcv_skb+0x130/0x360 [ 1387.006212][ T10] netlink_unicast+0x449/0x710 [ 1387.006212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1387.006212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1387.006212][ T10] ___sys_sendmsg+0xee/0x170 [ 1387.006212][ T10] __sys_sendmsg+0xcd/0x170 [ 1387.006212][ T10] do_syscall_64+0xc6/0x1e0 [ 1387.006212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1387.006212][ T10] [ 1387.007823][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1387.007823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1387.007823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1387.007823][ T10] ipv6_find_idev+0x102/0x170 [ 1387.007823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1387.007823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1387.007823][ T10] netlink_rcv_skb+0x130/0x360 [ 1387.007823][ T10] netlink_unicast+0x449/0x710 [ 1387.007823][ T10] netlink_sendmsg+0x723/0xbe0 [ 1387.007823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1387.007823][ T10] ___sys_sendmsg+0xee/0x170 [ 1387.007823][ T10] __sys_sendmsg+0xcd/0x170 [ 1387.007823][ T10] do_syscall_64+0xc6/0x1e0 [ 1387.007823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1387.007823][ T10] [ 1387.009691][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1387.009965][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1387.009965][ T10] netdev_get_by_index+0x5e/0x80 [ 1387.009965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1387.009965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1387.009965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1387.009965][ T10] ipv6_add_addr+0x411/0x2000 [ 1387.009965][ T10] inet6_addr_add+0x30e/0xa40 [ 1387.009965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1387.009965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1387.009965][ T10] netlink_rcv_skb+0x130/0x360 [ 1387.009965][ T10] netlink_unicast+0x449/0x710 [ 1387.009965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1387.009965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1387.009965][ T10] ___sys_sendmsg+0xee/0x170 [ 1387.009965][ T10] __sys_sendmsg+0xcd/0x170 [ 1387.009965][ T10] do_syscall_64+0xc6/0x1e0 [ 1387.009965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1387.009965][ T10] [ 1387.012362][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1387.012362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1387.012362][ T10] ipv6_find_idev+0x102/0x170 [ 1387.012362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1387.012362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1387.012362][ T10] netlink_rcv_skb+0x130/0x360 [ 1387.012362][ T10] netlink_unicast+0x449/0x710 [ 1387.012362][ T10] netlink_sendmsg+0x723/0xbe0 [ 1387.012362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1387.012362][ T10] ___sys_sendmsg+0xee/0x170 [ 1387.012362][ T10] __sys_sendmsg+0xcd/0x170 [ 1387.012362][ T10] do_syscall_64+0xc6/0x1e0 [ 1387.012362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1387.012362][ T10] [ 1387.014250][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1387.014250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1387.014250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1387.014250][ T10] ipv6_find_idev+0x102/0x170 [ 1387.014250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1387.014250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1387.014250][ T10] netlink_rcv_skb+0x130/0x360 [ 1387.014250][ T10] netlink_unicast+0x449/0x710 [ 1387.014250][ T10] netlink_sendmsg+0x723/0xbe0 [ 1387.014250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1387.014250][ T10] ___sys_sendmsg+0xee/0x170 [ 1387.014250][ T10] __sys_sendmsg+0xcd/0x170 [ 1387.014250][ T10] do_syscall_64+0xc6/0x1e0 [ 1387.014250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1387.014250][ T10] [ 1397.105942][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1397.106279][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1397.106279][ T10] netdev_get_by_index+0x5e/0x80 [ 1397.106279][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1397.106279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1397.106279][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1397.106279][ T10] ipv6_add_addr+0x411/0x2000 [ 1397.106279][ T10] inet6_addr_add+0x30e/0xa40 [ 1397.106279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1397.106279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.106279][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.106279][ T10] netlink_unicast+0x449/0x710 [ 1397.106279][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.106279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.106279][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.106279][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.106279][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.106279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.106279][ T10] [ 1397.108394][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1397.108394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1397.108394][ T10] ipv6_find_idev+0x102/0x170 [ 1397.108394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.108394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.108394][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.108394][ T10] netlink_unicast+0x449/0x710 [ 1397.108394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.108394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.108394][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.108394][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.108394][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.108394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.108394][ T10] [ 1397.109965][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1397.109965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1397.109965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1397.109965][ T10] ipv6_find_idev+0x102/0x170 [ 1397.109965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.109965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.109965][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.109965][ T10] netlink_unicast+0x449/0x710 [ 1397.109965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.109965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.109965][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.109965][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.109965][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.109965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.109965][ T10] [ 1397.112111][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1397.112385][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1397.112385][ T10] netdev_get_by_index+0x5e/0x80 [ 1397.112385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1397.112385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1397.112385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1397.112385][ T10] ipv6_add_addr+0x411/0x2000 [ 1397.112385][ T10] inet6_addr_add+0x30e/0xa40 [ 1397.112385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1397.112385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.112385][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.112385][ T10] netlink_unicast+0x449/0x710 [ 1397.112385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.112385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.112385][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.112385][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.112385][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.112385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.112385][ T10] [ 1397.114396][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1397.114396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1397.114396][ T10] ipv6_find_idev+0x102/0x170 [ 1397.114396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.114396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.114396][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.114396][ T10] netlink_unicast+0x449/0x710 [ 1397.114396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.114396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.114396][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.114396][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.114396][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.114396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.114396][ T10] [ 1397.115945][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1397.115945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1397.115945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1397.115945][ T10] ipv6_find_idev+0x102/0x170 [ 1397.115945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.115945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.115945][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.115945][ T10] netlink_unicast+0x449/0x710 [ 1397.115945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.115945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.115945][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.115945][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.115945][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.115945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.115945][ T10] [ 1397.117705][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1397.117973][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1397.117973][ T10] netdev_get_by_index+0x5e/0x80 [ 1397.117973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1397.117973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1397.117973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1397.117973][ T10] ipv6_add_addr+0x411/0x2000 [ 1397.117973][ T10] inet6_addr_add+0x30e/0xa40 [ 1397.117973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1397.117973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.117973][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.117973][ T10] netlink_unicast+0x449/0x710 [ 1397.117973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.117973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.117973][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.117973][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.117973][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.117973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.117973][ T10] [ 1397.119969][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1397.119969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1397.119969][ T10] ipv6_find_idev+0x102/0x170 [ 1397.119969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.119969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.119969][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.119969][ T10] netlink_unicast+0x449/0x710 [ 1397.119969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.119969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.119969][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.119969][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.119969][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.119969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.119969][ T10] [ 1397.121516][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1397.121516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1397.121516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1397.121516][ T10] ipv6_find_idev+0x102/0x170 [ 1397.121516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.121516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.121516][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.121516][ T10] netlink_unicast+0x449/0x710 [ 1397.121516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.121516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.121516][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.121516][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.121516][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.121516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.121516][ T10] [ 1397.123337][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1397.123606][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1397.123606][ T10] netdev_get_by_index+0x5e/0x80 [ 1397.123606][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1397.123606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1397.123606][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1397.123606][ T10] ipv6_add_addr+0x411/0x2000 [ 1397.123606][ T10] inet6_addr_add+0x30e/0xa40 [ 1397.123606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1397.123606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.123606][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.123606][ T10] netlink_unicast+0x449/0x710 [ 1397.123606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.123606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.123606][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.123606][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.123606][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.123606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.123606][ T10] [ 1397.125826][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1397.125826][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1397.125826][ T10] ipv6_find_idev+0x102/0x170 [ 1397.125826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.125826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.125826][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.125826][ T10] netlink_unicast+0x449/0x710 [ 1397.125826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.125826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.125826][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.125826][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.125826][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.125826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.125826][ T10] [ 1397.127593][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1397.127593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1397.127593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1397.127593][ T10] ipv6_find_idev+0x102/0x170 [ 1397.127593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.127593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.127593][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.127593][ T10] netlink_unicast+0x449/0x710 [ 1397.127593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.127593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.127593][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.127593][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.127593][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.127593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.127593][ T10] [ 1397.129601][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1397.129877][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1397.129877][ T10] netdev_get_by_index+0x5e/0x80 [ 1397.129877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1397.129877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1397.129877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1397.129877][ T10] ipv6_add_addr+0x411/0x2000 [ 1397.129877][ T10] inet6_addr_add+0x30e/0xa40 [ 1397.129877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1397.129877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.129877][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.129877][ T10] netlink_unicast+0x449/0x710 [ 1397.129877][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.129877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.129877][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.129877][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.129877][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.129877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.129877][ T10] [ 1397.132113][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1397.132113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1397.132113][ T10] ipv6_find_idev+0x102/0x170 [ 1397.132113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.132113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.132113][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.132113][ T10] netlink_unicast+0x449/0x710 [ 1397.132113][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.132113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.132113][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.132113][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.132113][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.132113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.132113][ T10] [ 1397.133899][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1397.133899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1397.133899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1397.133899][ T10] ipv6_find_idev+0x102/0x170 [ 1397.133899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.133899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.133899][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.133899][ T10] netlink_unicast+0x449/0x710 [ 1397.133899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.133899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.133899][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.133899][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.133899][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.133899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.133899][ T10] [ 1397.135848][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1397.136115][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1397.136115][ T10] netdev_get_by_index+0x5e/0x80 [ 1397.136115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1397.136115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1397.136115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1397.136115][ T10] ipv6_add_addr+0x411/0x2000 [ 1397.136115][ T10] inet6_addr_add+0x30e/0xa40 [ 1397.136115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1397.136115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.136115][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.136115][ T10] netlink_unicast+0x449/0x710 [ 1397.136115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.136115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.136115][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.136115][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.136115][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.136115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.136115][ T10] [ 1397.138286][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1397.138286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1397.138286][ T10] ipv6_find_idev+0x102/0x170 [ 1397.138286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.138286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.138286][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.138286][ T10] netlink_unicast+0x449/0x710 [ 1397.138286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.138286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.138286][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.138286][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.138286][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.138286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.138286][ T10] [ 1397.139898][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1397.139898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1397.139898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1397.139898][ T10] ipv6_find_idev+0x102/0x170 [ 1397.139898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.139898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.139898][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.139898][ T10] netlink_unicast+0x449/0x710 [ 1397.139898][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.139898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.139898][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.139898][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.139898][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.139898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.139898][ T10] [ 1397.141933][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1397.142254][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1397.142254][ T10] netdev_get_by_index+0x5e/0x80 [ 1397.142254][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1397.142254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1397.142254][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1397.142254][ T10] ipv6_add_addr+0x411/0x2000 [ 1397.142254][ T10] inet6_addr_add+0x30e/0xa40 [ 1397.142254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1397.142254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.142254][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.142254][ T10] netlink_unicast+0x449/0x710 [ 1397.142254][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.142254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.142254][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.142254][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.142254][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.142254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.142254][ T10] [ 1397.144429][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1397.144429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1397.144429][ T10] ipv6_find_idev+0x102/0x170 [ 1397.144429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.144429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.144429][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.144429][ T10] netlink_unicast+0x449/0x710 [ 1397.144429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.144429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.144429][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.144429][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.144429][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.144429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.144429][ T10] [ 1397.146193][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1397.146193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1397.146193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1397.146193][ T10] ipv6_find_idev+0x102/0x170 [ 1397.146193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.146193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.146193][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.146193][ T10] netlink_unicast+0x449/0x710 [ 1397.146193][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.146193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.146193][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.146193][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.146193][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.146193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.146193][ T10] [ 1397.148117][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1397.148384][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1397.148384][ T10] netdev_get_by_index+0x5e/0x80 [ 1397.148384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1397.148384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1397.148384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1397.148384][ T10] ipv6_add_addr+0x411/0x2000 [ 1397.148384][ T10] inet6_addr_add+0x30e/0xa40 [ 1397.148384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1397.148384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.148384][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.148384][ T10] netlink_unicast+0x449/0x710 [ 1397.148384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.148384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.148384][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.148384][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.148384][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.148384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.148384][ T10] [ 1397.150391][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1397.150391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1397.150391][ T10] ipv6_find_idev+0x102/0x170 [ 1397.150391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.150391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.150391][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.150391][ T10] netlink_unicast+0x449/0x710 [ 1397.150391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.150391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.150391][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.150391][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.150391][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.150391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.150391][ T10] [ 1397.152010][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1397.152010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1397.152010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1397.152010][ T10] ipv6_find_idev+0x102/0x170 [ 1397.152010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1397.152010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1397.152010][ T10] netlink_rcv_skb+0x130/0x360 [ 1397.152010][ T10] netlink_unicast+0x449/0x710 [ 1397.152010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1397.152010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1397.152010][ T10] ___sys_sendmsg+0xee/0x170 [ 1397.152010][ T10] __sys_sendmsg+0xcd/0x170 [ 1397.152010][ T10] do_syscall_64+0xc6/0x1e0 [ 1397.152010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1397.152010][ T10] [ 1407.280203][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1407.280539][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1407.280539][ T10] netdev_get_by_index+0x5e/0x80 [ 1407.280539][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1407.280539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1407.280539][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1407.280539][ T10] ipv6_add_addr+0x411/0x2000 [ 1407.280539][ T10] inet6_addr_add+0x30e/0xa40 [ 1407.280539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1407.280539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.280539][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.280539][ T10] netlink_unicast+0x449/0x710 [ 1407.280539][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.280539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.280539][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.280539][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.280539][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.280539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.280539][ T10] [ 1407.282606][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1407.282606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1407.282606][ T10] ipv6_find_idev+0x102/0x170 [ 1407.282606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.282606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.282606][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.282606][ T10] netlink_unicast+0x449/0x710 [ 1407.282606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.282606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.282606][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.282606][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.282606][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.282606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.282606][ T10] [ 1407.284231][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1407.284231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1407.284231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1407.284231][ T10] ipv6_find_idev+0x102/0x170 [ 1407.284231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.284231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.284231][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.284231][ T10] netlink_unicast+0x449/0x710 [ 1407.284231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.284231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.284231][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.284231][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.284231][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.284231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.284231][ T10] [ 1407.286027][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1407.286319][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1407.286319][ T10] netdev_get_by_index+0x5e/0x80 [ 1407.286319][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1407.286319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1407.286319][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1407.286319][ T10] ipv6_add_addr+0x411/0x2000 [ 1407.286319][ T10] inet6_addr_add+0x30e/0xa40 [ 1407.286319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1407.286319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.286319][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.286319][ T10] netlink_unicast+0x449/0x710 [ 1407.286319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.286319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.286319][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.286319][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.286319][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.286319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.286319][ T10] [ 1407.288448][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1407.288448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1407.288448][ T10] ipv6_find_idev+0x102/0x170 [ 1407.288448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.288448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.288448][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.288448][ T10] netlink_unicast+0x449/0x710 [ 1407.288448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.288448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.288448][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.288448][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.288448][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.288448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.288448][ T10] [ 1407.290069][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1407.290069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1407.290069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1407.290069][ T10] ipv6_find_idev+0x102/0x170 [ 1407.290069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.290069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.290069][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.290069][ T10] netlink_unicast+0x449/0x710 [ 1407.290069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.290069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.290069][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.290069][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.290069][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.290069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.290069][ T10] [ 1407.291832][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1407.292120][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1407.292120][ T10] netdev_get_by_index+0x5e/0x80 [ 1407.292120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1407.292120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1407.292120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1407.292120][ T10] ipv6_add_addr+0x411/0x2000 [ 1407.292120][ T10] inet6_addr_add+0x30e/0xa40 [ 1407.292120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1407.292120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.292120][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.292120][ T10] netlink_unicast+0x449/0x710 [ 1407.292120][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.292120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.292120][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.292120][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.292120][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.292120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.292120][ T10] [ 1407.294243][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1407.294243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1407.294243][ T10] ipv6_find_idev+0x102/0x170 [ 1407.294243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.294243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.294243][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.294243][ T10] netlink_unicast+0x449/0x710 [ 1407.294243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.294243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.294243][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.294243][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.294243][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.294243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.294243][ T10] [ 1407.295870][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1407.295870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1407.295870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1407.295870][ T10] ipv6_find_idev+0x102/0x170 [ 1407.295870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.295870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.295870][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.295870][ T10] netlink_unicast+0x449/0x710 [ 1407.295870][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.295870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.295870][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.295870][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.295870][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.295870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.295870][ T10] [ 1407.297641][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1407.297921][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1407.297921][ T10] netdev_get_by_index+0x5e/0x80 [ 1407.297921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1407.297921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1407.297921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1407.297921][ T10] ipv6_add_addr+0x411/0x2000 [ 1407.297921][ T10] inet6_addr_add+0x30e/0xa40 [ 1407.297921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1407.297921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.297921][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.297921][ T10] netlink_unicast+0x449/0x710 [ 1407.297921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.297921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.297921][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.297921][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.297921][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.297921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.297921][ T10] [ 1407.300008][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1407.300008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1407.300008][ T10] ipv6_find_idev+0x102/0x170 [ 1407.300008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.300008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.300008][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.300008][ T10] netlink_unicast+0x449/0x710 [ 1407.300008][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.300008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.300008][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.300008][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.300008][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.300008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.300008][ T10] [ 1407.301772][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1407.301772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1407.301772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1407.301772][ T10] ipv6_find_idev+0x102/0x170 [ 1407.301772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.301772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.301772][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.301772][ T10] netlink_unicast+0x449/0x710 [ 1407.301772][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.301772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.301772][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.301772][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.301772][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.301772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.301772][ T10] [ 1407.303729][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1407.304084][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1407.304084][ T10] netdev_get_by_index+0x5e/0x80 [ 1407.304084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1407.304084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1407.304084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1407.304084][ T10] ipv6_add_addr+0x411/0x2000 [ 1407.304084][ T10] inet6_addr_add+0x30e/0xa40 [ 1407.304084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1407.304084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.304084][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.304084][ T10] netlink_unicast+0x449/0x710 [ 1407.304084][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.304084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.304084][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.304084][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.304084][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.304084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.304084][ T10] [ 1407.306332][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1407.306332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1407.306332][ T10] ipv6_find_idev+0x102/0x170 [ 1407.306332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.306332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.306332][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.306332][ T10] netlink_unicast+0x449/0x710 [ 1407.306332][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.306332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.306332][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.306332][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.306332][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.306332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.306332][ T10] [ 1407.308180][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1407.308180][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1407.308180][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1407.308180][ T10] ipv6_find_idev+0x102/0x170 [ 1407.308180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.308180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.308180][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.308180][ T10] netlink_unicast+0x449/0x710 [ 1407.308180][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.308180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.308180][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.308180][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.308180][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.308180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.308180][ T10] [ 1407.310592][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1407.310874][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1407.310874][ T10] netdev_get_by_index+0x5e/0x80 [ 1407.310874][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1407.310874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1407.310874][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1407.310874][ T10] ipv6_add_addr+0x411/0x2000 [ 1407.310874][ T10] inet6_addr_add+0x30e/0xa40 [ 1407.310874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1407.310874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.310874][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.310874][ T10] netlink_unicast+0x449/0x710 [ 1407.310874][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.310874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.310874][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.310874][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.310874][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.310874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.310874][ T10] [ 1407.312971][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1407.312971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1407.312971][ T10] ipv6_find_idev+0x102/0x170 [ 1407.312971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.312971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.312971][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.312971][ T10] netlink_unicast+0x449/0x710 [ 1407.312971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.312971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.312971][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.312971][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.312971][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.312971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.312971][ T10] [ 1407.314824][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1407.314824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1407.314824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1407.314824][ T10] ipv6_find_idev+0x102/0x170 [ 1407.314824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.314824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.314824][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.314824][ T10] netlink_unicast+0x449/0x710 [ 1407.314824][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.314824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.314824][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.314824][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.314824][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.314824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.314824][ T10] [ 1407.316802][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1407.317080][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1407.317080][ T10] netdev_get_by_index+0x5e/0x80 [ 1407.317080][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1407.317080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1407.317080][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1407.317080][ T10] ipv6_add_addr+0x411/0x2000 [ 1407.317080][ T10] inet6_addr_add+0x30e/0xa40 [ 1407.317080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1407.317080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.317080][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.317080][ T10] netlink_unicast+0x449/0x710 [ 1407.317080][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.317080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.317080][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.317080][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.317080][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.317080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.317080][ T10] [ 1407.319214][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1407.319214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1407.319214][ T10] ipv6_find_idev+0x102/0x170 [ 1407.319214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.319214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.319214][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.319214][ T10] netlink_unicast+0x449/0x710 [ 1407.319214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.319214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.319214][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.319214][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.319214][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.319214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.319214][ T10] [ 1407.320797][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1407.320797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1407.320797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1407.320797][ T10] ipv6_find_idev+0x102/0x170 [ 1407.320797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.320797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.320797][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.320797][ T10] netlink_unicast+0x449/0x710 [ 1407.320797][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.320797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.320797][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.320797][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.320797][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.320797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.320797][ T10] [ 1407.322695][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1407.322967][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1407.322967][ T10] netdev_get_by_index+0x5e/0x80 [ 1407.322967][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1407.322967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1407.322967][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1407.322967][ T10] ipv6_add_addr+0x411/0x2000 [ 1407.322967][ T10] inet6_addr_add+0x30e/0xa40 [ 1407.322967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1407.322967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.322967][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.322967][ T10] netlink_unicast+0x449/0x710 [ 1407.322967][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.322967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.322967][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.322967][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.322967][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.322967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.322967][ T10] [ 1407.325369][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1407.325369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1407.325369][ T10] ipv6_find_idev+0x102/0x170 [ 1407.325369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.325369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.325369][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.325369][ T10] netlink_unicast+0x449/0x710 [ 1407.325369][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.325369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.325369][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.325369][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.325369][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.325369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.325369][ T10] [ 1407.326990][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1407.326990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1407.326990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1407.326990][ T10] ipv6_find_idev+0x102/0x170 [ 1407.326990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1407.326990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1407.326990][ T10] netlink_rcv_skb+0x130/0x360 [ 1407.326990][ T10] netlink_unicast+0x449/0x710 [ 1407.326990][ T10] netlink_sendmsg+0x723/0xbe0 [ 1407.326990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1407.326990][ T10] ___sys_sendmsg+0xee/0x170 [ 1407.326990][ T10] __sys_sendmsg+0xcd/0x170 [ 1407.326990][ T10] do_syscall_64+0xc6/0x1e0 [ 1407.326990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1407.326990][ T10] [ 1417.424323][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1417.424645][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1417.424645][ T10] netdev_get_by_index+0x5e/0x80 [ 1417.424645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1417.424645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1417.424645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1417.424645][ T10] ipv6_add_addr+0x411/0x2000 [ 1417.424645][ T10] inet6_addr_add+0x30e/0xa40 [ 1417.424645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1417.424645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.424645][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.424645][ T10] netlink_unicast+0x449/0x710 [ 1417.424645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.424645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.424645][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.424645][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.424645][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.424645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.424645][ T10] [ 1417.426741][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1417.426741][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1417.426741][ T10] ipv6_find_idev+0x102/0x170 [ 1417.426741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.426741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.426741][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.426741][ T10] netlink_unicast+0x449/0x710 [ 1417.426741][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.426741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.426741][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.426741][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.426741][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.426741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.426741][ T10] [ 1417.428333][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1417.428333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1417.428333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1417.428333][ T10] ipv6_find_idev+0x102/0x170 [ 1417.428333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.428333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.428333][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.428333][ T10] netlink_unicast+0x449/0x710 [ 1417.428333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.428333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.428333][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.428333][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.428333][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.428333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.428333][ T10] [ 1417.430041][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1417.430322][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1417.430322][ T10] netdev_get_by_index+0x5e/0x80 [ 1417.430322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1417.430322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1417.430322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1417.430322][ T10] ipv6_add_addr+0x411/0x2000 [ 1417.430322][ T10] inet6_addr_add+0x30e/0xa40 [ 1417.430322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1417.430322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.430322][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.430322][ T10] netlink_unicast+0x449/0x710 [ 1417.430322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.430322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.430322][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.430322][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.430322][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.430322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.430322][ T10] [ 1417.432371][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1417.432371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1417.432371][ T10] ipv6_find_idev+0x102/0x170 [ 1417.432371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.432371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.432371][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.432371][ T10] netlink_unicast+0x449/0x710 [ 1417.432371][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.432371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.432371][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.432371][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.432371][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.432371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.432371][ T10] [ 1417.433925][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1417.433925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1417.433925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1417.433925][ T10] ipv6_find_idev+0x102/0x170 [ 1417.433925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.433925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.433925][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.433925][ T10] netlink_unicast+0x449/0x710 [ 1417.433925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.433925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.433925][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.433925][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.433925][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.433925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.433925][ T10] [ 1417.435892][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1417.436268][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1417.436268][ T10] netdev_get_by_index+0x5e/0x80 [ 1417.436268][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1417.436268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1417.436268][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1417.436268][ T10] ipv6_add_addr+0x411/0x2000 [ 1417.436268][ T10] inet6_addr_add+0x30e/0xa40 [ 1417.436268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1417.436268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.436268][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.436268][ T10] netlink_unicast+0x449/0x710 [ 1417.436268][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.436268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.436268][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.436268][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.436268][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.436268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.436268][ T10] [ 1417.438358][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1417.438358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1417.438358][ T10] ipv6_find_idev+0x102/0x170 [ 1417.438358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.438358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.438358][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.438358][ T10] netlink_unicast+0x449/0x710 [ 1417.438358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.438358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.438358][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.438358][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.438358][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.438358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.438358][ T10] [ 1417.440114][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1417.440114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1417.440114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1417.440114][ T10] ipv6_find_idev+0x102/0x170 [ 1417.440114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.440114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.440114][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.440114][ T10] netlink_unicast+0x449/0x710 [ 1417.440114][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.440114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.440114][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.440114][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.440114][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.440114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.440114][ T10] [ 1417.442448][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1417.442711][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1417.442711][ T10] netdev_get_by_index+0x5e/0x80 [ 1417.442711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1417.442711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1417.442711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1417.442711][ T10] ipv6_add_addr+0x411/0x2000 [ 1417.442711][ T10] inet6_addr_add+0x30e/0xa40 [ 1417.442711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1417.442711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.442711][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.442711][ T10] netlink_unicast+0x449/0x710 [ 1417.442711][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.442711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.442711][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.442711][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.442711][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.442711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.442711][ T10] [ 1417.444711][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1417.444711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1417.444711][ T10] ipv6_find_idev+0x102/0x170 [ 1417.444711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.444711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.444711][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.444711][ T10] netlink_unicast+0x449/0x710 [ 1417.444711][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.444711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.444711][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.444711][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.444711][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.444711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.444711][ T10] [ 1417.446427][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1417.446427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1417.446427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1417.446427][ T10] ipv6_find_idev+0x102/0x170 [ 1417.446427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.446427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.446427][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.446427][ T10] netlink_unicast+0x449/0x710 [ 1417.446427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.446427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.446427][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.446427][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.446427][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.446427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.446427][ T10] [ 1417.448388][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1417.448662][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1417.448662][ T10] netdev_get_by_index+0x5e/0x80 [ 1417.448662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1417.448662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1417.448662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1417.448662][ T10] ipv6_add_addr+0x411/0x2000 [ 1417.448662][ T10] inet6_addr_add+0x30e/0xa40 [ 1417.448662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1417.448662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.448662][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.448662][ T10] netlink_unicast+0x449/0x710 [ 1417.448662][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.448662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.448662][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.448662][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.448662][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.448662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.448662][ T10] [ 1417.450874][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1417.450874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1417.450874][ T10] ipv6_find_idev+0x102/0x170 [ 1417.450874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.450874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.450874][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.450874][ T10] netlink_unicast+0x449/0x710 [ 1417.450874][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.450874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.450874][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.450874][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.450874][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.450874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.450874][ T10] [ 1417.452551][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1417.452551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1417.452551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1417.452551][ T10] ipv6_find_idev+0x102/0x170 [ 1417.452551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.452551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.452551][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.452551][ T10] netlink_unicast+0x449/0x710 [ 1417.452551][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.452551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.452551][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.452551][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.452551][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.452551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.452551][ T10] [ 1417.454546][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1417.454813][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1417.454813][ T10] netdev_get_by_index+0x5e/0x80 [ 1417.454813][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1417.454813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1417.454813][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1417.454813][ T10] ipv6_add_addr+0x411/0x2000 [ 1417.454813][ T10] inet6_addr_add+0x30e/0xa40 [ 1417.454813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1417.454813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.454813][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.454813][ T10] netlink_unicast+0x449/0x710 [ 1417.454813][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.454813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.454813][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.454813][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.454813][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.454813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.454813][ T10] [ 1417.457156][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1417.457156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1417.457156][ T10] ipv6_find_idev+0x102/0x170 [ 1417.457156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.457156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.457156][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.457156][ T10] netlink_unicast+0x449/0x710 [ 1417.457156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.457156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.457156][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.457156][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.457156][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.457156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.457156][ T10] [ 1417.459050][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1417.459050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1417.459050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1417.459050][ T10] ipv6_find_idev+0x102/0x170 [ 1417.459050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.459050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.459050][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.459050][ T10] netlink_unicast+0x449/0x710 [ 1417.459050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.459050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.459050][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.459050][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.459050][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.459050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.459050][ T10] [ 1417.460877][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1417.461206][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1417.461206][ T10] netdev_get_by_index+0x5e/0x80 [ 1417.461206][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1417.461206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1417.461206][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1417.461206][ T10] ipv6_add_addr+0x411/0x2000 [ 1417.461206][ T10] inet6_addr_add+0x30e/0xa40 [ 1417.461206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1417.461206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.461206][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.461206][ T10] netlink_unicast+0x449/0x710 [ 1417.461206][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.461206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.461206][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.461206][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.461206][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.461206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.461206][ T10] [ 1417.463257][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1417.463257][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1417.463257][ T10] ipv6_find_idev+0x102/0x170 [ 1417.463257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.463257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.463257][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.463257][ T10] netlink_unicast+0x449/0x710 [ 1417.463257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.463257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.463257][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.463257][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.463257][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.463257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.463257][ T10] [ 1417.464841][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1417.464841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1417.464841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1417.464841][ T10] ipv6_find_idev+0x102/0x170 [ 1417.464841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.464841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.464841][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.464841][ T10] netlink_unicast+0x449/0x710 [ 1417.464841][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.464841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.464841][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.464841][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.464841][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.464841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.464841][ T10] [ 1417.466573][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1417.466841][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1417.466841][ T10] netdev_get_by_index+0x5e/0x80 [ 1417.466841][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1417.466841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1417.466841][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1417.466841][ T10] ipv6_add_addr+0x411/0x2000 [ 1417.466841][ T10] inet6_addr_add+0x30e/0xa40 [ 1417.466841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1417.466841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.466841][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.466841][ T10] netlink_unicast+0x449/0x710 [ 1417.466841][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.466841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.466841][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.466841][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.466841][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.466841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.466841][ T10] [ 1417.468852][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1417.468852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1417.468852][ T10] ipv6_find_idev+0x102/0x170 [ 1417.468852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.468852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.468852][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.468852][ T10] netlink_unicast+0x449/0x710 [ 1417.468852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.468852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.468852][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.468852][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.468852][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.468852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.468852][ T10] [ 1417.470475][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1417.470475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1417.470475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1417.470475][ T10] ipv6_find_idev+0x102/0x170 [ 1417.470475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1417.470475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1417.470475][ T10] netlink_rcv_skb+0x130/0x360 [ 1417.470475][ T10] netlink_unicast+0x449/0x710 [ 1417.470475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1417.470475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1417.470475][ T10] ___sys_sendmsg+0xee/0x170 [ 1417.470475][ T10] __sys_sendmsg+0xcd/0x170 [ 1417.470475][ T10] do_syscall_64+0xc6/0x1e0 [ 1417.470475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1417.470475][ T10] [ 1427.561168][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1427.561560][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1427.561560][ T10] netdev_get_by_index+0x5e/0x80 [ 1427.561560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1427.561560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1427.561560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1427.561560][ T10] ipv6_add_addr+0x411/0x2000 [ 1427.561560][ T10] inet6_addr_add+0x30e/0xa40 [ 1427.561560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1427.561560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.561560][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.561560][ T10] netlink_unicast+0x449/0x710 [ 1427.561560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.561560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.561560][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.561560][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.561560][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.561560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.561560][ T10] [ 1427.563598][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1427.563598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1427.563598][ T10] ipv6_find_idev+0x102/0x170 [ 1427.563598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.563598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.563598][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.563598][ T10] netlink_unicast+0x449/0x710 [ 1427.563598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.563598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.563598][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.563598][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.563598][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.563598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.563598][ T10] [ 1427.565150][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1427.565150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1427.565150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1427.565150][ T10] ipv6_find_idev+0x102/0x170 [ 1427.565150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.565150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.565150][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.565150][ T10] netlink_unicast+0x449/0x710 [ 1427.565150][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.565150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.565150][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.565150][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.565150][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.565150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.565150][ T10] [ 1427.566894][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1427.567226][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1427.567226][ T10] netdev_get_by_index+0x5e/0x80 [ 1427.567226][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1427.567226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1427.567226][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1427.567226][ T10] ipv6_add_addr+0x411/0x2000 [ 1427.567226][ T10] inet6_addr_add+0x30e/0xa40 [ 1427.567226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1427.567226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.567226][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.567226][ T10] netlink_unicast+0x449/0x710 [ 1427.567226][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.567226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.567226][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.567226][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.567226][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.567226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.567226][ T10] [ 1427.569243][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1427.569243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1427.569243][ T10] ipv6_find_idev+0x102/0x170 [ 1427.569243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.569243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.569243][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.569243][ T10] netlink_unicast+0x449/0x710 [ 1427.569243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.569243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.569243][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.569243][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.569243][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.569243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.569243][ T10] [ 1427.570791][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1427.570791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1427.570791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1427.570791][ T10] ipv6_find_idev+0x102/0x170 [ 1427.570791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.570791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.570791][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.570791][ T10] netlink_unicast+0x449/0x710 [ 1427.570791][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.570791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.570791][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.570791][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.570791][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.570791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.570791][ T10] [ 1427.572871][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1427.573200][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1427.573200][ T10] netdev_get_by_index+0x5e/0x80 [ 1427.573200][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1427.573200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1427.573200][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1427.573200][ T10] ipv6_add_addr+0x411/0x2000 [ 1427.573200][ T10] inet6_addr_add+0x30e/0xa40 [ 1427.573200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1427.573200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.573200][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.573200][ T10] netlink_unicast+0x449/0x710 [ 1427.573200][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.573200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.573200][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.573200][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.573200][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.573200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.573200][ T10] [ 1427.575331][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1427.575331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1427.575331][ T10] ipv6_find_idev+0x102/0x170 [ 1427.575331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.575331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.575331][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.575331][ T10] netlink_unicast+0x449/0x710 [ 1427.575331][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.575331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.575331][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.575331][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.575331][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.575331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.575331][ T10] [ 1427.576997][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1427.576997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1427.576997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1427.576997][ T10] ipv6_find_idev+0x102/0x170 [ 1427.576997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.576997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.576997][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.576997][ T10] netlink_unicast+0x449/0x710 [ 1427.576997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.576997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.576997][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.576997][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.576997][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.576997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.576997][ T10] [ 1427.578896][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1427.579218][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1427.579218][ T10] netdev_get_by_index+0x5e/0x80 [ 1427.579218][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1427.579218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1427.579218][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1427.579218][ T10] ipv6_add_addr+0x411/0x2000 [ 1427.579218][ T10] inet6_addr_add+0x30e/0xa40 [ 1427.579218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1427.579218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.579218][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.579218][ T10] netlink_unicast+0x449/0x710 [ 1427.579218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.579218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.579218][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.579218][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.579218][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.579218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.579218][ T10] [ 1427.581220][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1427.581220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1427.581220][ T10] ipv6_find_idev+0x102/0x170 [ 1427.581220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.581220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.581220][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.581220][ T10] netlink_unicast+0x449/0x710 [ 1427.581220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.581220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.581220][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.581220][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.581220][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.581220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.581220][ T10] [ 1427.582756][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1427.582756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1427.582756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1427.582756][ T10] ipv6_find_idev+0x102/0x170 [ 1427.582756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.582756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.582756][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.582756][ T10] netlink_unicast+0x449/0x710 [ 1427.582756][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.582756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.582756][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.582756][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.582756][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.582756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.582756][ T10] [ 1427.584649][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1427.584913][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1427.584913][ T10] netdev_get_by_index+0x5e/0x80 [ 1427.584913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1427.584913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1427.584913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1427.584913][ T10] ipv6_add_addr+0x411/0x2000 [ 1427.584913][ T10] inet6_addr_add+0x30e/0xa40 [ 1427.584913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1427.584913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.584913][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.584913][ T10] netlink_unicast+0x449/0x710 [ 1427.584913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.584913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.584913][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.584913][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.584913][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.584913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.584913][ T10] [ 1427.586907][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1427.586907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1427.586907][ T10] ipv6_find_idev+0x102/0x170 [ 1427.586907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.586907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.586907][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.586907][ T10] netlink_unicast+0x449/0x710 [ 1427.586907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.586907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.586907][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.586907][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.586907][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.586907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.586907][ T10] [ 1427.588473][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1427.588473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1427.588473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1427.588473][ T10] ipv6_find_idev+0x102/0x170 [ 1427.588473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.588473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.588473][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.588473][ T10] netlink_unicast+0x449/0x710 [ 1427.588473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.588473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.588473][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.588473][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.588473][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.588473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.588473][ T10] [ 1427.590311][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1427.590577][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1427.590577][ T10] netdev_get_by_index+0x5e/0x80 [ 1427.590577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1427.590577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1427.590577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1427.590577][ T10] ipv6_add_addr+0x411/0x2000 [ 1427.590577][ T10] inet6_addr_add+0x30e/0xa40 [ 1427.590577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1427.590577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.590577][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.590577][ T10] netlink_unicast+0x449/0x710 [ 1427.590577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.590577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.590577][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.590577][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.590577][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.590577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.590577][ T10] [ 1427.592659][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1427.592659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1427.592659][ T10] ipv6_find_idev+0x102/0x170 [ 1427.592659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.592659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.592659][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.592659][ T10] netlink_unicast+0x449/0x710 [ 1427.592659][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.592659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.592659][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.592659][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.592659][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.592659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.592659][ T10] [ 1427.594306][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1427.594306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1427.594306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1427.594306][ T10] ipv6_find_idev+0x102/0x170 [ 1427.594306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.594306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.594306][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.594306][ T10] netlink_unicast+0x449/0x710 [ 1427.594306][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.594306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.594306][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.594306][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.594306][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.594306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.594306][ T10] [ 1427.596254][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1427.596516][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1427.596516][ T10] netdev_get_by_index+0x5e/0x80 [ 1427.596516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1427.596516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1427.596516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1427.596516][ T10] ipv6_add_addr+0x411/0x2000 [ 1427.596516][ T10] inet6_addr_add+0x30e/0xa40 [ 1427.596516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1427.596516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.596516][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.596516][ T10] netlink_unicast+0x449/0x710 [ 1427.596516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.596516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.596516][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.596516][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.596516][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.596516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.596516][ T10] [ 1427.598656][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1427.598656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1427.598656][ T10] ipv6_find_idev+0x102/0x170 [ 1427.598656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.598656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.598656][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.598656][ T10] netlink_unicast+0x449/0x710 [ 1427.598656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.598656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.598656][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.598656][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.598656][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.598656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.598656][ T10] [ 1427.600185][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1427.600185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1427.600185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1427.600185][ T10] ipv6_find_idev+0x102/0x170 [ 1427.600185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.600185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.600185][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.600185][ T10] netlink_unicast+0x449/0x710 [ 1427.600185][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.600185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.600185][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.600185][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.600185][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.600185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.600185][ T10] [ 1427.601916][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1427.602334][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1427.602334][ T10] netdev_get_by_index+0x5e/0x80 [ 1427.602334][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1427.602334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1427.602334][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1427.602334][ T10] ipv6_add_addr+0x411/0x2000 [ 1427.602334][ T10] inet6_addr_add+0x30e/0xa40 [ 1427.602334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1427.602334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.602334][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.602334][ T10] netlink_unicast+0x449/0x710 [ 1427.602334][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.602334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.602334][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.602334][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.602334][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.602334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.602334][ T10] [ 1427.604387][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1427.604387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1427.604387][ T10] ipv6_find_idev+0x102/0x170 [ 1427.604387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.604387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.604387][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.604387][ T10] netlink_unicast+0x449/0x710 [ 1427.604387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.604387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.604387][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.604387][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.604387][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.604387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.604387][ T10] [ 1427.606062][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1427.606062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1427.606062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1427.606062][ T10] ipv6_find_idev+0x102/0x170 [ 1427.606062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1427.606062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1427.606062][ T10] netlink_rcv_skb+0x130/0x360 [ 1427.606062][ T10] netlink_unicast+0x449/0x710 [ 1427.606062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1427.606062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1427.606062][ T10] ___sys_sendmsg+0xee/0x170 [ 1427.606062][ T10] __sys_sendmsg+0xcd/0x170 [ 1427.606062][ T10] do_syscall_64+0xc6/0x1e0 [ 1427.606062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1427.606062][ T10] [ 1437.738157][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1437.738477][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1437.738477][ T10] netdev_get_by_index+0x5e/0x80 [ 1437.738477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1437.738477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1437.738477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1437.738477][ T10] ipv6_add_addr+0x411/0x2000 [ 1437.738477][ T10] inet6_addr_add+0x30e/0xa40 [ 1437.738477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.738477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.738477][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.738477][ T10] netlink_unicast+0x449/0x710 [ 1437.738477][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.738477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.738477][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.738477][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.738477][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.738477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.738477][ T10] [ 1437.740513][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1437.740513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1437.740513][ T10] ipv6_find_idev+0x102/0x170 [ 1437.740513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.740513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.740513][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.740513][ T10] netlink_unicast+0x449/0x710 [ 1437.740513][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.740513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.740513][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.740513][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.740513][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.740513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.740513][ T10] [ 1437.742085][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1437.742085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1437.742085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1437.742085][ T10] ipv6_find_idev+0x102/0x170 [ 1437.742085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.742085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.742085][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.742085][ T10] netlink_unicast+0x449/0x710 [ 1437.742085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.742085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.742085][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.742085][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.742085][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.742085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.742085][ T10] [ 1437.743832][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1437.744102][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1437.744102][ T10] netdev_get_by_index+0x5e/0x80 [ 1437.744102][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1437.744102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1437.744102][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1437.744102][ T10] ipv6_add_addr+0x411/0x2000 [ 1437.744102][ T10] inet6_addr_add+0x30e/0xa40 [ 1437.744102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.744102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.744102][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.744102][ T10] netlink_unicast+0x449/0x710 [ 1437.744102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.744102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.744102][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.744102][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.744102][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.744102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.744102][ T10] [ 1437.746119][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1437.746119][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1437.746119][ T10] ipv6_find_idev+0x102/0x170 [ 1437.746119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.746119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.746119][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.746119][ T10] netlink_unicast+0x449/0x710 [ 1437.746119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.746119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.746119][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.746119][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.746119][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.746119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.746119][ T10] [ 1437.747692][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1437.747692][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1437.747692][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1437.747692][ T10] ipv6_find_idev+0x102/0x170 [ 1437.747692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.747692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.747692][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.747692][ T10] netlink_unicast+0x449/0x710 [ 1437.747692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.747692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.747692][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.747692][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.747692][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.747692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.747692][ T10] [ 1437.749427][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1437.749701][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1437.749701][ T10] netdev_get_by_index+0x5e/0x80 [ 1437.749701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1437.749701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1437.749701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1437.749701][ T10] ipv6_add_addr+0x411/0x2000 [ 1437.749701][ T10] inet6_addr_add+0x30e/0xa40 [ 1437.749701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.749701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.749701][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.749701][ T10] netlink_unicast+0x449/0x710 [ 1437.749701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.749701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.749701][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.749701][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.749701][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.749701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.749701][ T10] [ 1437.751706][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1437.751706][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1437.751706][ T10] ipv6_find_idev+0x102/0x170 [ 1437.751706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.751706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.751706][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.751706][ T10] netlink_unicast+0x449/0x710 [ 1437.751706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.751706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.751706][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.751706][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.751706][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.751706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.751706][ T10] [ 1437.753257][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1437.753257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1437.753257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1437.753257][ T10] ipv6_find_idev+0x102/0x170 [ 1437.753257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.753257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.753257][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.753257][ T10] netlink_unicast+0x449/0x710 [ 1437.753257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.753257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.753257][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.753257][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.753257][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.753257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.753257][ T10] [ 1437.754998][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1437.755318][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1437.755318][ T10] netdev_get_by_index+0x5e/0x80 [ 1437.755318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1437.755318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1437.755318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1437.755318][ T10] ipv6_add_addr+0x411/0x2000 [ 1437.755318][ T10] inet6_addr_add+0x30e/0xa40 [ 1437.755318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.755318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.755318][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.755318][ T10] netlink_unicast+0x449/0x710 [ 1437.755318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.755318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.755318][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.755318][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.755318][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.755318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.755318][ T10] [ 1437.757312][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1437.757312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1437.757312][ T10] ipv6_find_idev+0x102/0x170 [ 1437.757312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.757312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.757312][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.757312][ T10] netlink_unicast+0x449/0x710 [ 1437.757312][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.757312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.757312][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.757312][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.757312][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.757312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.757312][ T10] [ 1437.758998][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1437.758998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1437.758998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1437.758998][ T10] ipv6_find_idev+0x102/0x170 [ 1437.758998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.758998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.758998][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.758998][ T10] netlink_unicast+0x449/0x710 [ 1437.758998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.758998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.758998][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.758998][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.758998][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.758998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.758998][ T10] [ 1437.760988][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1437.761316][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1437.761316][ T10] netdev_get_by_index+0x5e/0x80 [ 1437.761316][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1437.761316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1437.761316][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1437.761316][ T10] ipv6_add_addr+0x411/0x2000 [ 1437.761316][ T10] inet6_addr_add+0x30e/0xa40 [ 1437.761316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.761316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.761316][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.761316][ T10] netlink_unicast+0x449/0x710 [ 1437.761316][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.761316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.761316][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.761316][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.761316][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.761316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.761316][ T10] [ 1437.763424][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1437.763424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1437.763424][ T10] ipv6_find_idev+0x102/0x170 [ 1437.763424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.763424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.763424][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.763424][ T10] netlink_unicast+0x449/0x710 [ 1437.763424][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.763424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.763424][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.763424][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.763424][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.763424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.763424][ T10] [ 1437.765183][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1437.765183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1437.765183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1437.765183][ T10] ipv6_find_idev+0x102/0x170 [ 1437.765183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.765183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.765183][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.765183][ T10] netlink_unicast+0x449/0x710 [ 1437.765183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.765183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.765183][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.765183][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.765183][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.765183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.765183][ T10] [ 1437.767059][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1437.767463][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1437.767463][ T10] netdev_get_by_index+0x5e/0x80 [ 1437.767463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1437.767463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1437.767463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1437.767463][ T10] ipv6_add_addr+0x411/0x2000 [ 1437.767463][ T10] inet6_addr_add+0x30e/0xa40 [ 1437.767463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.767463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.767463][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.767463][ T10] netlink_unicast+0x449/0x710 [ 1437.767463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.767463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.767463][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.767463][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.767463][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.767463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.767463][ T10] [ 1437.769624][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1437.769624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1437.769624][ T10] ipv6_find_idev+0x102/0x170 [ 1437.769624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.769624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.769624][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.769624][ T10] netlink_unicast+0x449/0x710 [ 1437.769624][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.769624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.769624][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.769624][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.769624][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.769624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.769624][ T10] [ 1437.771168][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1437.771168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1437.771168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1437.771168][ T10] ipv6_find_idev+0x102/0x170 [ 1437.771168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.771168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.771168][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.771168][ T10] netlink_unicast+0x449/0x710 [ 1437.771168][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.771168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.771168][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.771168][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.771168][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.771168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.771168][ T10] [ 1437.772890][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1437.773207][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1437.773207][ T10] netdev_get_by_index+0x5e/0x80 [ 1437.773207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1437.773207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1437.773207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1437.773207][ T10] ipv6_add_addr+0x411/0x2000 [ 1437.773207][ T10] inet6_addr_add+0x30e/0xa40 [ 1437.773207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.773207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.773207][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.773207][ T10] netlink_unicast+0x449/0x710 [ 1437.773207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.773207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.773207][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.773207][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.773207][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.773207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.773207][ T10] [ 1437.775187][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1437.775187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1437.775187][ T10] ipv6_find_idev+0x102/0x170 [ 1437.775187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.775187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.775187][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.775187][ T10] netlink_unicast+0x449/0x710 [ 1437.775187][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.775187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.775187][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.775187][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.775187][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.775187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.775187][ T10] [ 1437.776921][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1437.776921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1437.776921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1437.776921][ T10] ipv6_find_idev+0x102/0x170 [ 1437.776921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.776921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.776921][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.776921][ T10] netlink_unicast+0x449/0x710 [ 1437.776921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.776921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.776921][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.776921][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.776921][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.776921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.776921][ T10] [ 1437.778872][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1437.779142][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1437.779142][ T10] netdev_get_by_index+0x5e/0x80 [ 1437.779142][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1437.779142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1437.779142][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1437.779142][ T10] ipv6_add_addr+0x411/0x2000 [ 1437.779142][ T10] inet6_addr_add+0x30e/0xa40 [ 1437.779142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1437.779142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.779142][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.779142][ T10] netlink_unicast+0x449/0x710 [ 1437.779142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.779142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.779142][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.779142][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.779142][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.779142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.779142][ T10] [ 1437.781350][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1437.781350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1437.781350][ T10] ipv6_find_idev+0x102/0x170 [ 1437.781350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.781350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.781350][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.781350][ T10] netlink_unicast+0x449/0x710 [ 1437.781350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.781350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.781350][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.781350][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.781350][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.781350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.781350][ T10] [ 1437.783054][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1437.783054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1437.783054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1437.783054][ T10] ipv6_find_idev+0x102/0x170 [ 1437.783054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1437.783054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1437.783054][ T10] netlink_rcv_skb+0x130/0x360 [ 1437.783054][ T10] netlink_unicast+0x449/0x710 [ 1437.783054][ T10] netlink_sendmsg+0x723/0xbe0 [ 1437.783054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1437.783054][ T10] ___sys_sendmsg+0xee/0x170 [ 1437.783054][ T10] __sys_sendmsg+0xcd/0x170 [ 1437.783054][ T10] do_syscall_64+0xc6/0x1e0 [ 1437.783054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1437.783054][ T10] [ 1447.888118][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1447.888455][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1447.888455][ T10] netdev_get_by_index+0x5e/0x80 [ 1447.888455][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1447.888455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1447.888455][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1447.888455][ T10] ipv6_add_addr+0x411/0x2000 [ 1447.888455][ T10] inet6_addr_add+0x30e/0xa40 [ 1447.888455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.888455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.888455][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.888455][ T10] netlink_unicast+0x449/0x710 [ 1447.888455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.888455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.888455][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.888455][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.888455][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.888455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.888455][ T10] [ 1447.890544][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1447.890544][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1447.890544][ T10] ipv6_find_idev+0x102/0x170 [ 1447.890544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.890544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.890544][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.890544][ T10] netlink_unicast+0x449/0x710 [ 1447.890544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.890544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.890544][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.890544][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.890544][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.890544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.890544][ T10] [ 1447.892150][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1447.892150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1447.892150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1447.892150][ T10] ipv6_find_idev+0x102/0x170 [ 1447.892150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.892150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.892150][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.892150][ T10] netlink_unicast+0x449/0x710 [ 1447.892150][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.892150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.892150][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.892150][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.892150][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.892150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.892150][ T10] [ 1447.893930][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1447.894352][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1447.894352][ T10] netdev_get_by_index+0x5e/0x80 [ 1447.894352][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1447.894352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1447.894352][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1447.894352][ T10] ipv6_add_addr+0x411/0x2000 [ 1447.894352][ T10] inet6_addr_add+0x30e/0xa40 [ 1447.894352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.894352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.894352][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.894352][ T10] netlink_unicast+0x449/0x710 [ 1447.894352][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.894352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.894352][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.894352][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.894352][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.894352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.894352][ T10] [ 1447.896387][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1447.896387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1447.896387][ T10] ipv6_find_idev+0x102/0x170 [ 1447.896387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.896387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.896387][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.896387][ T10] netlink_unicast+0x449/0x710 [ 1447.896387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.896387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.896387][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.896387][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.896387][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.896387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.896387][ T10] [ 1447.898034][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1447.898034][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1447.898034][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1447.898034][ T10] ipv6_find_idev+0x102/0x170 [ 1447.898034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.898034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.898034][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.898034][ T10] netlink_unicast+0x449/0x710 [ 1447.898034][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.898034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.898034][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.898034][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.898034][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.898034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.898034][ T10] [ 1447.899812][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1447.900085][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1447.900085][ T10] netdev_get_by_index+0x5e/0x80 [ 1447.900085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1447.900085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1447.900085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1447.900085][ T10] ipv6_add_addr+0x411/0x2000 [ 1447.900085][ T10] inet6_addr_add+0x30e/0xa40 [ 1447.900085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.900085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.900085][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.900085][ T10] netlink_unicast+0x449/0x710 [ 1447.900085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.900085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.900085][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.900085][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.900085][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.900085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.900085][ T10] [ 1447.902166][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1447.902166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1447.902166][ T10] ipv6_find_idev+0x102/0x170 [ 1447.902166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.902166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.902166][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.902166][ T10] netlink_unicast+0x449/0x710 [ 1447.902166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.902166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.902166][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.902166][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.902166][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.902166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.902166][ T10] [ 1447.903755][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1447.903755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1447.903755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1447.903755][ T10] ipv6_find_idev+0x102/0x170 [ 1447.903755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.903755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.903755][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.903755][ T10] netlink_unicast+0x449/0x710 [ 1447.903755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.903755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.903755][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.903755][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.903755][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.903755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.903755][ T10] [ 1447.905496][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1447.905784][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1447.905784][ T10] netdev_get_by_index+0x5e/0x80 [ 1447.905784][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1447.905784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1447.905784][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1447.905784][ T10] ipv6_add_addr+0x411/0x2000 [ 1447.905784][ T10] inet6_addr_add+0x30e/0xa40 [ 1447.905784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.905784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.905784][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.905784][ T10] netlink_unicast+0x449/0x710 [ 1447.905784][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.905784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.905784][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.905784][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.905784][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.905784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.905784][ T10] [ 1447.907916][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1447.907916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1447.907916][ T10] ipv6_find_idev+0x102/0x170 [ 1447.907916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.907916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.907916][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.907916][ T10] netlink_unicast+0x449/0x710 [ 1447.907916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.907916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.907916][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.907916][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.907916][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.907916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.907916][ T10] [ 1447.909540][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1447.909540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1447.909540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1447.909540][ T10] ipv6_find_idev+0x102/0x170 [ 1447.909540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.909540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.909540][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.909540][ T10] netlink_unicast+0x449/0x710 [ 1447.909540][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.909540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.909540][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.909540][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.909540][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.909540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.909540][ T10] [ 1447.911674][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1447.912103][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1447.912103][ T10] netdev_get_by_index+0x5e/0x80 [ 1447.912103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1447.912103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1447.912103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1447.912103][ T10] ipv6_add_addr+0x411/0x2000 [ 1447.912103][ T10] inet6_addr_add+0x30e/0xa40 [ 1447.912103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.912103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.912103][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.912103][ T10] netlink_unicast+0x449/0x710 [ 1447.912103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.912103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.912103][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.912103][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.912103][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.912103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.912103][ T10] [ 1447.914312][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1447.914312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1447.914312][ T10] ipv6_find_idev+0x102/0x170 [ 1447.914312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.914312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.914312][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.914312][ T10] netlink_unicast+0x449/0x710 [ 1447.914312][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.914312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.914312][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.914312][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.914312][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.914312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.914312][ T10] [ 1447.916133][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1447.916133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1447.916133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1447.916133][ T10] ipv6_find_idev+0x102/0x170 [ 1447.916133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.916133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.916133][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.916133][ T10] netlink_unicast+0x449/0x710 [ 1447.916133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.916133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.916133][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.916133][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.916133][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.916133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.916133][ T10] [ 1447.918084][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1447.918827][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1447.918827][ T10] netdev_get_by_index+0x5e/0x80 [ 1447.918827][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1447.918827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1447.918827][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1447.918827][ T10] ipv6_add_addr+0x411/0x2000 [ 1447.918827][ T10] inet6_addr_add+0x30e/0xa40 [ 1447.918827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.918827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.918827][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.918827][ T10] netlink_unicast+0x449/0x710 [ 1447.918827][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.918827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.918827][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.918827][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.918827][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.918827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.918827][ T10] [ 1447.920871][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1447.920871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1447.920871][ T10] ipv6_find_idev+0x102/0x170 [ 1447.920871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.920871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.920871][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.920871][ T10] netlink_unicast+0x449/0x710 [ 1447.920871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.920871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.920871][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.920871][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.920871][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.920871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.920871][ T10] [ 1447.922491][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1447.922491][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1447.922491][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1447.922491][ T10] ipv6_find_idev+0x102/0x170 [ 1447.922491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.922491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.922491][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.922491][ T10] netlink_unicast+0x449/0x710 [ 1447.922491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.922491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.922491][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.922491][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.922491][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.922491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.922491][ T10] [ 1447.924257][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1447.924578][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1447.924578][ T10] netdev_get_by_index+0x5e/0x80 [ 1447.924578][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1447.924578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1447.924578][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1447.924578][ T10] ipv6_add_addr+0x411/0x2000 [ 1447.924578][ T10] inet6_addr_add+0x30e/0xa40 [ 1447.924578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.924578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.924578][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.924578][ T10] netlink_unicast+0x449/0x710 [ 1447.924578][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.924578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.924578][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.924578][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.924578][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.924578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.924578][ T10] [ 1447.926736][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1447.926736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1447.926736][ T10] ipv6_find_idev+0x102/0x170 [ 1447.926736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.926736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.926736][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.926736][ T10] netlink_unicast+0x449/0x710 [ 1447.926736][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.926736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.926736][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.926736][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.926736][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.926736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.926736][ T10] [ 1447.928515][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1447.928515][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1447.928515][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1447.928515][ T10] ipv6_find_idev+0x102/0x170 [ 1447.928515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.928515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.928515][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.928515][ T10] netlink_unicast+0x449/0x710 [ 1447.928515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.928515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.928515][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.928515][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.928515][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.928515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.928515][ T10] [ 1447.930554][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1447.930839][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1447.930839][ T10] netdev_get_by_index+0x5e/0x80 [ 1447.930839][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1447.930839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1447.930839][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1447.930839][ T10] ipv6_add_addr+0x411/0x2000 [ 1447.930839][ T10] inet6_addr_add+0x30e/0xa40 [ 1447.930839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1447.930839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.930839][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.930839][ T10] netlink_unicast+0x449/0x710 [ 1447.930839][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.930839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.930839][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.930839][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.930839][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.930839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.930839][ T10] [ 1447.933032][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1447.933032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1447.933032][ T10] ipv6_find_idev+0x102/0x170 [ 1447.933032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.933032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.933032][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.933032][ T10] netlink_unicast+0x449/0x710 [ 1447.933032][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.933032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.933032][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.933032][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.933032][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.933032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.933032][ T10] [ 1447.934646][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1447.934646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1447.934646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1447.934646][ T10] ipv6_find_idev+0x102/0x170 [ 1447.934646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1447.934646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1447.934646][ T10] netlink_rcv_skb+0x130/0x360 [ 1447.934646][ T10] netlink_unicast+0x449/0x710 [ 1447.934646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1447.934646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1447.934646][ T10] ___sys_sendmsg+0xee/0x170 [ 1447.934646][ T10] __sys_sendmsg+0xcd/0x170 [ 1447.934646][ T10] do_syscall_64+0xc6/0x1e0 [ 1447.934646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1447.934646][ T10] [ 1458.048124][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1458.048463][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1458.048463][ T10] netdev_get_by_index+0x5e/0x80 [ 1458.048463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1458.048463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1458.048463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1458.048463][ T10] ipv6_add_addr+0x411/0x2000 [ 1458.048463][ T10] inet6_addr_add+0x30e/0xa40 [ 1458.048463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1458.048463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.048463][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.048463][ T10] netlink_unicast+0x449/0x710 [ 1458.048463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.048463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.048463][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.048463][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.048463][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.048463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.048463][ T10] [ 1458.050496][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1458.050496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1458.050496][ T10] ipv6_find_idev+0x102/0x170 [ 1458.050496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.050496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.050496][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.050496][ T10] netlink_unicast+0x449/0x710 [ 1458.050496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.050496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.050496][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.050496][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.050496][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.050496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.050496][ T10] [ 1458.052013][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1458.052013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1458.052013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1458.052013][ T10] ipv6_find_idev+0x102/0x170 [ 1458.052013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.052013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.052013][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.052013][ T10] netlink_unicast+0x449/0x710 [ 1458.052013][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.052013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.052013][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.052013][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.052013][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.052013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.052013][ T10] [ 1458.053685][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1458.053954][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1458.053954][ T10] netdev_get_by_index+0x5e/0x80 [ 1458.053954][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1458.053954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1458.053954][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1458.053954][ T10] ipv6_add_addr+0x411/0x2000 [ 1458.053954][ T10] inet6_addr_add+0x30e/0xa40 [ 1458.053954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1458.053954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.053954][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.053954][ T10] netlink_unicast+0x449/0x710 [ 1458.053954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.053954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.053954][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.053954][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.053954][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.053954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.053954][ T10] [ 1458.055964][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1458.055964][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1458.055964][ T10] ipv6_find_idev+0x102/0x170 [ 1458.055964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.055964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.055964][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.055964][ T10] netlink_unicast+0x449/0x710 [ 1458.055964][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.055964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.055964][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.055964][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.055964][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.055964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.055964][ T10] [ 1458.057486][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1458.057486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1458.057486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1458.057486][ T10] ipv6_find_idev+0x102/0x170 [ 1458.057486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.057486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.057486][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.057486][ T10] netlink_unicast+0x449/0x710 [ 1458.057486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.057486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.057486][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.057486][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.057486][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.057486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.057486][ T10] [ 1458.059240][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1458.059505][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1458.059505][ T10] netdev_get_by_index+0x5e/0x80 [ 1458.059505][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1458.059505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1458.059505][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1458.059505][ T10] ipv6_add_addr+0x411/0x2000 [ 1458.059505][ T10] inet6_addr_add+0x30e/0xa40 [ 1458.059505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1458.059505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.059505][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.059505][ T10] netlink_unicast+0x449/0x710 [ 1458.059505][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.059505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.059505][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.059505][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.059505][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.059505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.059505][ T10] [ 1458.061461][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1458.061461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1458.061461][ T10] ipv6_find_idev+0x102/0x170 [ 1458.061461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.061461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.061461][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.061461][ T10] netlink_unicast+0x449/0x710 [ 1458.061461][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.061461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.061461][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.061461][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.061461][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.061461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.061461][ T10] [ 1458.063019][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1458.063019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1458.063019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1458.063019][ T10] ipv6_find_idev+0x102/0x170 [ 1458.063019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.063019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.063019][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.063019][ T10] netlink_unicast+0x449/0x710 [ 1458.063019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.063019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.063019][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.063019][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.063019][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.063019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.063019][ T10] [ 1458.064722][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1458.064984][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1458.064984][ T10] netdev_get_by_index+0x5e/0x80 [ 1458.064984][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1458.064984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1458.064984][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1458.064984][ T10] ipv6_add_addr+0x411/0x2000 [ 1458.064984][ T10] inet6_addr_add+0x30e/0xa40 [ 1458.064984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1458.064984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.064984][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.064984][ T10] netlink_unicast+0x449/0x710 [ 1458.064984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.064984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.064984][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.064984][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.064984][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.064984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.064984][ T10] [ 1458.066989][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1458.066989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1458.066989][ T10] ipv6_find_idev+0x102/0x170 [ 1458.066989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.066989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.066989][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.066989][ T10] netlink_unicast+0x449/0x710 [ 1458.066989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.066989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.066989][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.066989][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.066989][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.066989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.066989][ T10] [ 1458.068556][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1458.068556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1458.068556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1458.068556][ T10] ipv6_find_idev+0x102/0x170 [ 1458.068556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.068556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.068556][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.068556][ T10] netlink_unicast+0x449/0x710 [ 1458.068556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.068556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.068556][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.068556][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.068556][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.068556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.068556][ T10] [ 1458.070273][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1458.070563][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1458.070563][ T10] netdev_get_by_index+0x5e/0x80 [ 1458.070563][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1458.070563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1458.070563][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1458.070563][ T10] ipv6_add_addr+0x411/0x2000 [ 1458.070563][ T10] inet6_addr_add+0x30e/0xa40 [ 1458.070563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1458.070563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.070563][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.070563][ T10] netlink_unicast+0x449/0x710 [ 1458.070563][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.070563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.070563][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.070563][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.070563][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.070563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.070563][ T10] [ 1458.072604][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1458.072604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1458.072604][ T10] ipv6_find_idev+0x102/0x170 [ 1458.072604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.072604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.072604][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.072604][ T10] netlink_unicast+0x449/0x710 [ 1458.072604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.072604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.072604][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.072604][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.072604][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.072604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.072604][ T10] [ 1458.074269][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1458.074269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1458.074269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1458.074269][ T10] ipv6_find_idev+0x102/0x170 [ 1458.074269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.074269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.074269][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.074269][ T10] netlink_unicast+0x449/0x710 [ 1458.074269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.074269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.074269][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.074269][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.074269][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.074269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.074269][ T10] [ 1458.076250][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1458.076520][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1458.076520][ T10] netdev_get_by_index+0x5e/0x80 [ 1458.076520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1458.076520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1458.076520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1458.076520][ T10] ipv6_add_addr+0x411/0x2000 [ 1458.076520][ T10] inet6_addr_add+0x30e/0xa40 [ 1458.076520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1458.076520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.076520][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.076520][ T10] netlink_unicast+0x449/0x710 [ 1458.076520][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.076520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.076520][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.076520][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.076520][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.076520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.076520][ T10] [ 1458.078849][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1458.078849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1458.078849][ T10] ipv6_find_idev+0x102/0x170 [ 1458.078849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.078849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.078849][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.078849][ T10] netlink_unicast+0x449/0x710 [ 1458.078849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.078849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.078849][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.078849][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.078849][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.078849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.078849][ T10] [ 1458.080576][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1458.080576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1458.080576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1458.080576][ T10] ipv6_find_idev+0x102/0x170 [ 1458.080576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.080576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.080576][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.080576][ T10] netlink_unicast+0x449/0x710 [ 1458.080576][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.080576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.080576][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.080576][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.080576][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.080576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.080576][ T10] [ 1458.082492][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1458.082822][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1458.082822][ T10] netdev_get_by_index+0x5e/0x80 [ 1458.082822][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1458.082822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1458.082822][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1458.082822][ T10] ipv6_add_addr+0x411/0x2000 [ 1458.082822][ T10] inet6_addr_add+0x30e/0xa40 [ 1458.082822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1458.082822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.082822][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.082822][ T10] netlink_unicast+0x449/0x710 [ 1458.082822][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.082822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.082822][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.082822][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.082822][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.082822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.082822][ T10] [ 1458.085015][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1458.085015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1458.085015][ T10] ipv6_find_idev+0x102/0x170 [ 1458.085015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.085015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.085015][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.085015][ T10] netlink_unicast+0x449/0x710 [ 1458.085015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.085015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.085015][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.085015][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.085015][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.085015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.085015][ T10] [ 1458.086731][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1458.086731][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1458.086731][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1458.086731][ T10] ipv6_find_idev+0x102/0x170 [ 1458.086731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.086731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.086731][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.086731][ T10] netlink_unicast+0x449/0x710 [ 1458.086731][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.086731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.086731][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.086731][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.086731][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.086731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.086731][ T10] [ 1458.088683][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1458.088964][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1458.088964][ T10] netdev_get_by_index+0x5e/0x80 [ 1458.088964][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1458.088964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1458.088964][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1458.088964][ T10] ipv6_add_addr+0x411/0x2000 [ 1458.088964][ T10] inet6_addr_add+0x30e/0xa40 [ 1458.088964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1458.088964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.088964][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.088964][ T10] netlink_unicast+0x449/0x710 [ 1458.088964][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.088964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.088964][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.088964][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.088964][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.088964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.088964][ T10] [ 1458.091099][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1458.091099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1458.091099][ T10] ipv6_find_idev+0x102/0x170 [ 1458.091099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.091099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.091099][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.091099][ T10] netlink_unicast+0x449/0x710 [ 1458.091099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.091099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.091099][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.091099][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.091099][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.091099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.091099][ T10] [ 1458.092838][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1458.092838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1458.092838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1458.092838][ T10] ipv6_find_idev+0x102/0x170 [ 1458.092838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1458.092838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1458.092838][ T10] netlink_rcv_skb+0x130/0x360 [ 1458.092838][ T10] netlink_unicast+0x449/0x710 [ 1458.092838][ T10] netlink_sendmsg+0x723/0xbe0 [ 1458.092838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1458.092838][ T10] ___sys_sendmsg+0xee/0x170 [ 1458.092838][ T10] __sys_sendmsg+0xcd/0x170 [ 1458.092838][ T10] do_syscall_64+0xc6/0x1e0 [ 1458.092838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1458.092838][ T10] [ 1468.257115][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1468.257617][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1468.257617][ T10] netdev_get_by_index+0x5e/0x80 [ 1468.257617][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1468.257617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1468.257617][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1468.257617][ T10] ipv6_add_addr+0x411/0x2000 [ 1468.257617][ T10] inet6_addr_add+0x30e/0xa40 [ 1468.257617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1468.257617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.257617][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.257617][ T10] netlink_unicast+0x449/0x710 [ 1468.257617][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.257617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.257617][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.257617][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.257617][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.257617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.257617][ T10] [ 1468.259868][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1468.259868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1468.259868][ T10] ipv6_find_idev+0x102/0x170 [ 1468.259868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.259868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.259868][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.259868][ T10] netlink_unicast+0x449/0x710 [ 1468.259868][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.259868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.259868][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.259868][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.259868][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.259868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.259868][ T10] [ 1468.261590][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1468.261590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1468.261590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1468.261590][ T10] ipv6_find_idev+0x102/0x170 [ 1468.261590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.261590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.261590][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.261590][ T10] netlink_unicast+0x449/0x710 [ 1468.261590][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.261590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.261590][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.261590][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.261590][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.261590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.261590][ T10] [ 1468.263470][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1468.263761][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1468.263761][ T10] netdev_get_by_index+0x5e/0x80 [ 1468.263761][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1468.263761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1468.263761][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1468.263761][ T10] ipv6_add_addr+0x411/0x2000 [ 1468.263761][ T10] inet6_addr_add+0x30e/0xa40 [ 1468.263761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1468.263761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.263761][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.263761][ T10] netlink_unicast+0x449/0x710 [ 1468.263761][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.263761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.263761][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.263761][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.263761][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.263761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.263761][ T10] [ 1468.265999][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1468.265999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1468.265999][ T10] ipv6_find_idev+0x102/0x170 [ 1468.265999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.265999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.265999][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.265999][ T10] netlink_unicast+0x449/0x710 [ 1468.265999][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.265999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.265999][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.265999][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.265999][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.265999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.265999][ T10] [ 1468.267746][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1468.267746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1468.267746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1468.267746][ T10] ipv6_find_idev+0x102/0x170 [ 1468.267746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.267746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.267746][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.267746][ T10] netlink_unicast+0x449/0x710 [ 1468.267746][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.267746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.267746][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.267746][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.267746][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.267746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.267746][ T10] [ 1468.269656][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1468.269955][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1468.269955][ T10] netdev_get_by_index+0x5e/0x80 [ 1468.269955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1468.269955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1468.269955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1468.269955][ T10] ipv6_add_addr+0x411/0x2000 [ 1468.269955][ T10] inet6_addr_add+0x30e/0xa40 [ 1468.269955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1468.269955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.269955][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.269955][ T10] netlink_unicast+0x449/0x710 [ 1468.269955][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.269955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.269955][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.269955][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.269955][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.269955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.269955][ T10] [ 1468.272188][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1468.272188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1468.272188][ T10] ipv6_find_idev+0x102/0x170 [ 1468.272188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.272188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.272188][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.272188][ T10] netlink_unicast+0x449/0x710 [ 1468.272188][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.272188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.272188][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.272188][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.272188][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.272188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.272188][ T10] [ 1468.273905][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1468.273905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1468.273905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1468.273905][ T10] ipv6_find_idev+0x102/0x170 [ 1468.273905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.273905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.273905][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.273905][ T10] netlink_unicast+0x449/0x710 [ 1468.273905][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.273905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.273905][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.273905][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.273905][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.273905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.273905][ T10] [ 1468.275987][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1468.276288][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1468.276288][ T10] netdev_get_by_index+0x5e/0x80 [ 1468.276288][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1468.276288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1468.276288][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1468.276288][ T10] ipv6_add_addr+0x411/0x2000 [ 1468.276288][ T10] inet6_addr_add+0x30e/0xa40 [ 1468.276288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1468.276288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.276288][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.276288][ T10] netlink_unicast+0x449/0x710 [ 1468.276288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.276288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.276288][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.276288][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.276288][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.276288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.276288][ T10] [ 1468.278656][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1468.278656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1468.278656][ T10] ipv6_find_idev+0x102/0x170 [ 1468.278656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.278656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.278656][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.278656][ T10] netlink_unicast+0x449/0x710 [ 1468.278656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.278656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.278656][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.278656][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.278656][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.278656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.278656][ T10] [ 1468.280374][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1468.280374][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1468.280374][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1468.280374][ T10] ipv6_find_idev+0x102/0x170 [ 1468.280374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.280374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.280374][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.280374][ T10] netlink_unicast+0x449/0x710 [ 1468.280374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.280374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.280374][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.280374][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.280374][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.280374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.280374][ T10] [ 1468.282242][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1468.282541][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1468.282541][ T10] netdev_get_by_index+0x5e/0x80 [ 1468.282541][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1468.282541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1468.282541][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1468.282541][ T10] ipv6_add_addr+0x411/0x2000 [ 1468.282541][ T10] inet6_addr_add+0x30e/0xa40 [ 1468.282541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1468.282541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.282541][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.282541][ T10] netlink_unicast+0x449/0x710 [ 1468.282541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.282541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.282541][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.282541][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.282541][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.282541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.282541][ T10] [ 1468.284849][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1468.284849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1468.284849][ T10] ipv6_find_idev+0x102/0x170 [ 1468.284849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.284849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.284849][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.284849][ T10] netlink_unicast+0x449/0x710 [ 1468.284849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.284849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.284849][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.284849][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.284849][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.284849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.284849][ T10] [ 1468.286789][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1468.286789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1468.286789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1468.286789][ T10] ipv6_find_idev+0x102/0x170 [ 1468.286789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.286789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.286789][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.286789][ T10] netlink_unicast+0x449/0x710 [ 1468.286789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.286789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.286789][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.286789][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.286789][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.286789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.286789][ T10] [ 1468.289332][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1468.289622][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1468.289622][ T10] netdev_get_by_index+0x5e/0x80 [ 1468.289622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1468.289622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1468.289622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1468.289622][ T10] ipv6_add_addr+0x411/0x2000 [ 1468.289622][ T10] inet6_addr_add+0x30e/0xa40 [ 1468.289622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1468.289622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.289622][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.289622][ T10] netlink_unicast+0x449/0x710 [ 1468.289622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.289622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.289622][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.289622][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.289622][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.289622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.289622][ T10] [ 1468.291847][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1468.291847][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1468.291847][ T10] ipv6_find_idev+0x102/0x170 [ 1468.291847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.291847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.291847][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.291847][ T10] netlink_unicast+0x449/0x710 [ 1468.291847][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.291847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.291847][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.291847][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.291847][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.291847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.291847][ T10] [ 1468.293727][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1468.293727][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1468.293727][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1468.293727][ T10] ipv6_find_idev+0x102/0x170 [ 1468.293727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.293727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.293727][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.293727][ T10] netlink_unicast+0x449/0x710 [ 1468.293727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.293727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.293727][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.293727][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.293727][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.293727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.293727][ T10] [ 1468.295847][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1468.296134][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1468.296134][ T10] netdev_get_by_index+0x5e/0x80 [ 1468.296134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1468.296134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1468.296134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1468.296134][ T10] ipv6_add_addr+0x411/0x2000 [ 1468.296134][ T10] inet6_addr_add+0x30e/0xa40 [ 1468.296134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1468.296134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.296134][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.296134][ T10] netlink_unicast+0x449/0x710 [ 1468.296134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.296134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.296134][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.296134][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.296134][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.296134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.296134][ T10] [ 1468.298490][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1468.298490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1468.298490][ T10] ipv6_find_idev+0x102/0x170 [ 1468.298490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.298490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.298490][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.298490][ T10] netlink_unicast+0x449/0x710 [ 1468.298490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.298490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.298490][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.298490][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.298490][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.298490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.298490][ T10] [ 1468.300222][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1468.300222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1468.300222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1468.300222][ T10] ipv6_find_idev+0x102/0x170 [ 1468.300222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.300222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.300222][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.300222][ T10] netlink_unicast+0x449/0x710 [ 1468.300222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.300222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.300222][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.300222][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.300222][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.300222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.300222][ T10] [ 1468.302217][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1468.302507][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1468.302507][ T10] netdev_get_by_index+0x5e/0x80 [ 1468.302507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1468.302507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1468.302507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1468.302507][ T10] ipv6_add_addr+0x411/0x2000 [ 1468.302507][ T10] inet6_addr_add+0x30e/0xa40 [ 1468.302507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1468.302507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.302507][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.302507][ T10] netlink_unicast+0x449/0x710 [ 1468.302507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.302507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.302507][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.302507][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.302507][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.302507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.302507][ T10] [ 1468.304956][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1468.304956][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1468.304956][ T10] ipv6_find_idev+0x102/0x170 [ 1468.304956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.304956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.304956][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.304956][ T10] netlink_unicast+0x449/0x710 [ 1468.304956][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.304956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.304956][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.304956][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.304956][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.304956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.304956][ T10] [ 1468.306749][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1468.306749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1468.306749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1468.306749][ T10] ipv6_find_idev+0x102/0x170 [ 1468.306749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1468.306749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1468.306749][ T10] netlink_rcv_skb+0x130/0x360 [ 1468.306749][ T10] netlink_unicast+0x449/0x710 [ 1468.306749][ T10] netlink_sendmsg+0x723/0xbe0 [ 1468.306749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1468.306749][ T10] ___sys_sendmsg+0xee/0x170 [ 1468.306749][ T10] __sys_sendmsg+0xcd/0x170 [ 1468.306749][ T10] do_syscall_64+0xc6/0x1e0 [ 1468.306749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1468.306749][ T10] [ 1478.320231][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1478.320766][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1478.320766][ T10] netdev_get_by_index+0x5e/0x80 [ 1478.320766][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1478.320766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1478.320766][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1478.320766][ T10] ipv6_add_addr+0x411/0x2000 [ 1478.320766][ T10] inet6_addr_add+0x30e/0xa40 [ 1478.320766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.320766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.320766][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.320766][ T10] netlink_unicast+0x449/0x710 [ 1478.320766][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.320766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.320766][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.320766][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.320766][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.320766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.320766][ T10] [ 1478.323046][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1478.323046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1478.323046][ T10] ipv6_find_idev+0x102/0x170 [ 1478.323046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.323046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.323046][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.323046][ T10] netlink_unicast+0x449/0x710 [ 1478.323046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.323046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.323046][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.323046][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.323046][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.323046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.323046][ T10] [ 1478.324797][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1478.324797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1478.324797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1478.324797][ T10] ipv6_find_idev+0x102/0x170 [ 1478.324797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.324797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.324797][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.324797][ T10] netlink_unicast+0x449/0x710 [ 1478.324797][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.324797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.324797][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.324797][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.324797][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.324797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.324797][ T10] [ 1478.326763][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1478.327076][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1478.327076][ T10] netdev_get_by_index+0x5e/0x80 [ 1478.327076][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1478.327076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1478.327076][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1478.327076][ T10] ipv6_add_addr+0x411/0x2000 [ 1478.327076][ T10] inet6_addr_add+0x30e/0xa40 [ 1478.327076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.327076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.327076][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.327076][ T10] netlink_unicast+0x449/0x710 [ 1478.327076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.327076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.327076][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.327076][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.327076][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.327076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.327076][ T10] [ 1478.329353][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1478.329353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1478.329353][ T10] ipv6_find_idev+0x102/0x170 [ 1478.329353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.329353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.329353][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.329353][ T10] netlink_unicast+0x449/0x710 [ 1478.329353][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.329353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.329353][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.329353][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.329353][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.329353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.329353][ T10] [ 1478.331070][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1478.331070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1478.331070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1478.331070][ T10] ipv6_find_idev+0x102/0x170 [ 1478.331070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.331070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.331070][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.331070][ T10] netlink_unicast+0x449/0x710 [ 1478.331070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.331070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.331070][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.331070][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.331070][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.331070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.331070][ T10] [ 1478.332935][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1478.333257][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1478.333257][ T10] netdev_get_by_index+0x5e/0x80 [ 1478.333257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1478.333257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1478.333257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1478.333257][ T10] ipv6_add_addr+0x411/0x2000 [ 1478.333257][ T10] inet6_addr_add+0x30e/0xa40 [ 1478.333257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.333257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.333257][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.333257][ T10] netlink_unicast+0x449/0x710 [ 1478.333257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.333257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.333257][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.333257][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.333257][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.333257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.333257][ T10] [ 1478.335515][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1478.335515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1478.335515][ T10] ipv6_find_idev+0x102/0x170 [ 1478.335515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.335515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.335515][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.335515][ T10] netlink_unicast+0x449/0x710 [ 1478.335515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.335515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.335515][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.335515][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.335515][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.335515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.335515][ T10] [ 1478.337222][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1478.337222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1478.337222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1478.337222][ T10] ipv6_find_idev+0x102/0x170 [ 1478.337222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.337222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.337222][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.337222][ T10] netlink_unicast+0x449/0x710 [ 1478.337222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.337222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.337222][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.337222][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.337222][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.337222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.337222][ T10] [ 1478.339133][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1478.339436][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1478.339436][ T10] netdev_get_by_index+0x5e/0x80 [ 1478.339436][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1478.339436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1478.339436][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1478.339436][ T10] ipv6_add_addr+0x411/0x2000 [ 1478.339436][ T10] inet6_addr_add+0x30e/0xa40 [ 1478.339436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.339436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.339436][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.339436][ T10] netlink_unicast+0x449/0x710 [ 1478.339436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.339436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.339436][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.339436][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.339436][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.339436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.339436][ T10] [ 1478.341676][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1478.341676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1478.341676][ T10] ipv6_find_idev+0x102/0x170 [ 1478.341676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.341676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.341676][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.341676][ T10] netlink_unicast+0x449/0x710 [ 1478.341676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.341676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.341676][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.341676][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.341676][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.341676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.341676][ T10] [ 1478.343396][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1478.343396][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1478.343396][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1478.343396][ T10] ipv6_find_idev+0x102/0x170 [ 1478.343396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.343396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.343396][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.343396][ T10] netlink_unicast+0x449/0x710 [ 1478.343396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.343396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.343396][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.343396][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.343396][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.343396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.343396][ T10] [ 1478.345653][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1478.345941][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1478.345941][ T10] netdev_get_by_index+0x5e/0x80 [ 1478.345941][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1478.345941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1478.345941][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1478.345941][ T10] ipv6_add_addr+0x411/0x2000 [ 1478.345941][ T10] inet6_addr_add+0x30e/0xa40 [ 1478.345941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.345941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.345941][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.345941][ T10] netlink_unicast+0x449/0x710 [ 1478.345941][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.345941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.345941][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.345941][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.345941][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.345941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.345941][ T10] [ 1478.348189][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1478.348189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1478.348189][ T10] ipv6_find_idev+0x102/0x170 [ 1478.348189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.348189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.348189][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.348189][ T10] netlink_unicast+0x449/0x710 [ 1478.348189][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.348189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.348189][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.348189][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.348189][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.348189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.348189][ T10] [ 1478.349931][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1478.349931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1478.349931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1478.349931][ T10] ipv6_find_idev+0x102/0x170 [ 1478.349931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.349931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.349931][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.349931][ T10] netlink_unicast+0x449/0x710 [ 1478.349931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.349931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.349931][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.349931][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.349931][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.349931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.349931][ T10] [ 1478.351885][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1478.352234][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1478.352234][ T10] netdev_get_by_index+0x5e/0x80 [ 1478.352234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1478.352234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1478.352234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1478.352234][ T10] ipv6_add_addr+0x411/0x2000 [ 1478.352234][ T10] inet6_addr_add+0x30e/0xa40 [ 1478.352234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.352234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.352234][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.352234][ T10] netlink_unicast+0x449/0x710 [ 1478.352234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.352234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.352234][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.352234][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.352234][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.352234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.352234][ T10] [ 1478.354558][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1478.354558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1478.354558][ T10] ipv6_find_idev+0x102/0x170 [ 1478.354558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.354558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.354558][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.354558][ T10] netlink_unicast+0x449/0x710 [ 1478.354558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.354558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.354558][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.354558][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.354558][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.354558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.354558][ T10] [ 1478.356416][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1478.356416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1478.356416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1478.356416][ T10] ipv6_find_idev+0x102/0x170 [ 1478.356416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.356416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.356416][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.356416][ T10] netlink_unicast+0x449/0x710 [ 1478.356416][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.356416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.356416][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.356416][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.356416][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.356416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.356416][ T10] [ 1478.358432][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1478.358726][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1478.358726][ T10] netdev_get_by_index+0x5e/0x80 [ 1478.358726][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1478.358726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1478.358726][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1478.358726][ T10] ipv6_add_addr+0x411/0x2000 [ 1478.358726][ T10] inet6_addr_add+0x30e/0xa40 [ 1478.358726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.358726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.358726][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.358726][ T10] netlink_unicast+0x449/0x710 [ 1478.358726][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.358726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.358726][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.358726][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.358726][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.358726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.358726][ T10] [ 1478.361148][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1478.361148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1478.361148][ T10] ipv6_find_idev+0x102/0x170 [ 1478.361148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.361148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.361148][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.361148][ T10] netlink_unicast+0x449/0x710 [ 1478.361148][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.361148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.361148][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.361148][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.361148][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.361148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.361148][ T10] [ 1478.362946][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1478.362946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1478.362946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1478.362946][ T10] ipv6_find_idev+0x102/0x170 [ 1478.362946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.362946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.362946][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.362946][ T10] netlink_unicast+0x449/0x710 [ 1478.362946][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.362946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.362946][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.362946][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.362946][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.362946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.362946][ T10] [ 1478.365023][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1478.365373][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1478.365373][ T10] netdev_get_by_index+0x5e/0x80 [ 1478.365373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1478.365373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1478.365373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1478.365373][ T10] ipv6_add_addr+0x411/0x2000 [ 1478.365373][ T10] inet6_addr_add+0x30e/0xa40 [ 1478.365373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1478.365373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.365373][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.365373][ T10] netlink_unicast+0x449/0x710 [ 1478.365373][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.365373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.365373][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.365373][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.365373][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.365373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.365373][ T10] [ 1478.367697][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1478.367697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1478.367697][ T10] ipv6_find_idev+0x102/0x170 [ 1478.367697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.367697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.367697][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.367697][ T10] netlink_unicast+0x449/0x710 [ 1478.367697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.367697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.367697][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.367697][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.367697][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.367697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.367697][ T10] [ 1478.369580][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1478.369580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1478.369580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1478.369580][ T10] ipv6_find_idev+0x102/0x170 [ 1478.369580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1478.369580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1478.369580][ T10] netlink_rcv_skb+0x130/0x360 [ 1478.369580][ T10] netlink_unicast+0x449/0x710 [ 1478.369580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1478.369580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1478.369580][ T10] ___sys_sendmsg+0xee/0x170 [ 1478.369580][ T10] __sys_sendmsg+0xcd/0x170 [ 1478.369580][ T10] do_syscall_64+0xc6/0x1e0 [ 1478.369580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1478.369580][ T10] [ 1488.408114][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1488.408495][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1488.408495][ T10] netdev_get_by_index+0x5e/0x80 [ 1488.408495][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1488.408495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1488.408495][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1488.408495][ T10] ipv6_add_addr+0x411/0x2000 [ 1488.408495][ T10] inet6_addr_add+0x30e/0xa40 [ 1488.408495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.408495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.408495][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.408495][ T10] netlink_unicast+0x449/0x710 [ 1488.408495][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.408495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.408495][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.408495][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.408495][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.408495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.408495][ T10] [ 1488.410740][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1488.410740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1488.410740][ T10] ipv6_find_idev+0x102/0x170 [ 1488.410740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.410740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.410740][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.410740][ T10] netlink_unicast+0x449/0x710 [ 1488.410740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.410740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.410740][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.410740][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.410740][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.410740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.410740][ T10] [ 1488.412426][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1488.412426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1488.412426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1488.412426][ T10] ipv6_find_idev+0x102/0x170 [ 1488.412426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.412426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.412426][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.412426][ T10] netlink_unicast+0x449/0x710 [ 1488.412426][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.412426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.412426][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.412426][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.412426][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.412426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.412426][ T10] [ 1488.414315][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1488.414617][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1488.414617][ T10] netdev_get_by_index+0x5e/0x80 [ 1488.414617][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1488.414617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1488.414617][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1488.414617][ T10] ipv6_add_addr+0x411/0x2000 [ 1488.414617][ T10] inet6_addr_add+0x30e/0xa40 [ 1488.414617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.414617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.414617][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.414617][ T10] netlink_unicast+0x449/0x710 [ 1488.414617][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.414617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.414617][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.414617][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.414617][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.414617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.414617][ T10] [ 1488.416810][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1488.416810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1488.416810][ T10] ipv6_find_idev+0x102/0x170 [ 1488.416810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.416810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.416810][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.416810][ T10] netlink_unicast+0x449/0x710 [ 1488.416810][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.416810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.416810][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.416810][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.416810][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.416810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.416810][ T10] [ 1488.418506][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1488.418506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1488.418506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1488.418506][ T10] ipv6_find_idev+0x102/0x170 [ 1488.418506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.418506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.418506][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.418506][ T10] netlink_unicast+0x449/0x710 [ 1488.418506][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.418506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.418506][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.418506][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.418506][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.418506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.418506][ T10] [ 1488.420424][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1488.420722][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1488.420722][ T10] netdev_get_by_index+0x5e/0x80 [ 1488.420722][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1488.420722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1488.420722][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1488.420722][ T10] ipv6_add_addr+0x411/0x2000 [ 1488.420722][ T10] inet6_addr_add+0x30e/0xa40 [ 1488.420722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.420722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.420722][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.420722][ T10] netlink_unicast+0x449/0x710 [ 1488.420722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.420722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.420722][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.420722][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.420722][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.420722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.420722][ T10] [ 1488.422941][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1488.422941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1488.422941][ T10] ipv6_find_idev+0x102/0x170 [ 1488.422941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.422941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.422941][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.422941][ T10] netlink_unicast+0x449/0x710 [ 1488.422941][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.422941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.422941][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.422941][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.422941][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.422941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.422941][ T10] [ 1488.424652][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1488.424652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1488.424652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1488.424652][ T10] ipv6_find_idev+0x102/0x170 [ 1488.424652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.424652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.424652][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.424652][ T10] netlink_unicast+0x449/0x710 [ 1488.424652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.424652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.424652][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.424652][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.424652][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.424652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.424652][ T10] [ 1488.426537][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1488.426836][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1488.426836][ T10] netdev_get_by_index+0x5e/0x80 [ 1488.426836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1488.426836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1488.426836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1488.426836][ T10] ipv6_add_addr+0x411/0x2000 [ 1488.426836][ T10] inet6_addr_add+0x30e/0xa40 [ 1488.426836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.426836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.426836][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.426836][ T10] netlink_unicast+0x449/0x710 [ 1488.426836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.426836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.426836][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.426836][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.426836][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.426836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.426836][ T10] [ 1488.429062][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1488.429062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1488.429062][ T10] ipv6_find_idev+0x102/0x170 [ 1488.429062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.429062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.429062][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.429062][ T10] netlink_unicast+0x449/0x710 [ 1488.429062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.429062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.429062][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.429062][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.429062][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.429062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.429062][ T10] [ 1488.430771][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1488.430771][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1488.430771][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1488.430771][ T10] ipv6_find_idev+0x102/0x170 [ 1488.430771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.430771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.430771][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.430771][ T10] netlink_unicast+0x449/0x710 [ 1488.430771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.430771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.430771][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.430771][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.430771][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.430771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.430771][ T10] [ 1488.433135][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1488.433881][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1488.433881][ T10] netdev_get_by_index+0x5e/0x80 [ 1488.433881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1488.433881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1488.433881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1488.433881][ T10] ipv6_add_addr+0x411/0x2000 [ 1488.433881][ T10] inet6_addr_add+0x30e/0xa40 [ 1488.433881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.433881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.433881][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.433881][ T10] netlink_unicast+0x449/0x710 [ 1488.433881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.433881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.433881][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.433881][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.433881][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.433881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.433881][ T10] [ 1488.436093][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1488.436093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1488.436093][ T10] ipv6_find_idev+0x102/0x170 [ 1488.436093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.436093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.436093][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.436093][ T10] netlink_unicast+0x449/0x710 [ 1488.436093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.436093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.436093][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.436093][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.436093][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.436093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.436093][ T10] [ 1488.437793][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1488.437793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1488.437793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1488.437793][ T10] ipv6_find_idev+0x102/0x170 [ 1488.437793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.437793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.437793][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.437793][ T10] netlink_unicast+0x449/0x710 [ 1488.437793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.437793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.437793][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.437793][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.437793][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.437793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.437793][ T10] [ 1488.439692][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1488.439998][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1488.439998][ T10] netdev_get_by_index+0x5e/0x80 [ 1488.439998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1488.439998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1488.439998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1488.439998][ T10] ipv6_add_addr+0x411/0x2000 [ 1488.439998][ T10] inet6_addr_add+0x30e/0xa40 [ 1488.439998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.439998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.439998][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.439998][ T10] netlink_unicast+0x449/0x710 [ 1488.439998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.439998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.439998][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.439998][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.439998][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.439998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.439998][ T10] [ 1488.442216][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1488.442216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1488.442216][ T10] ipv6_find_idev+0x102/0x170 [ 1488.442216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.442216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.442216][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.442216][ T10] netlink_unicast+0x449/0x710 [ 1488.442216][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.442216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.442216][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.442216][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.442216][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.442216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.442216][ T10] [ 1488.444057][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1488.444057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1488.444057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1488.444057][ T10] ipv6_find_idev+0x102/0x170 [ 1488.444057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.444057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.444057][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.444057][ T10] netlink_unicast+0x449/0x710 [ 1488.444057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.444057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.444057][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.444057][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.444057][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.444057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.444057][ T10] [ 1488.446283][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1488.446579][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1488.446579][ T10] netdev_get_by_index+0x5e/0x80 [ 1488.446579][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1488.446579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1488.446579][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1488.446579][ T10] ipv6_add_addr+0x411/0x2000 [ 1488.446579][ T10] inet6_addr_add+0x30e/0xa40 [ 1488.446579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.446579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.446579][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.446579][ T10] netlink_unicast+0x449/0x710 [ 1488.446579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.446579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.446579][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.446579][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.446579][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.446579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.446579][ T10] [ 1488.448935][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1488.448935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1488.448935][ T10] ipv6_find_idev+0x102/0x170 [ 1488.448935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.448935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.448935][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.448935][ T10] netlink_unicast+0x449/0x710 [ 1488.448935][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.448935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.448935][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.448935][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.448935][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.448935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.448935][ T10] [ 1488.450854][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1488.450854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1488.450854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1488.450854][ T10] ipv6_find_idev+0x102/0x170 [ 1488.450854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.450854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.450854][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.450854][ T10] netlink_unicast+0x449/0x710 [ 1488.450854][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.450854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.450854][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.450854][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.450854][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.450854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.450854][ T10] [ 1488.452891][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1488.453313][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1488.453313][ T10] netdev_get_by_index+0x5e/0x80 [ 1488.453313][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1488.453313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1488.453313][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1488.453313][ T10] ipv6_add_addr+0x411/0x2000 [ 1488.453313][ T10] inet6_addr_add+0x30e/0xa40 [ 1488.453313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1488.453313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.453313][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.453313][ T10] netlink_unicast+0x449/0x710 [ 1488.453313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.453313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.453313][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.453313][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.453313][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.453313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.453313][ T10] [ 1488.455535][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1488.455535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1488.455535][ T10] ipv6_find_idev+0x102/0x170 [ 1488.455535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.455535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.455535][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.455535][ T10] netlink_unicast+0x449/0x710 [ 1488.455535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.455535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.455535][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.455535][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.455535][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.455535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.455535][ T10] [ 1488.457336][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1488.457336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1488.457336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1488.457336][ T10] ipv6_find_idev+0x102/0x170 [ 1488.457336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1488.457336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1488.457336][ T10] netlink_rcv_skb+0x130/0x360 [ 1488.457336][ T10] netlink_unicast+0x449/0x710 [ 1488.457336][ T10] netlink_sendmsg+0x723/0xbe0 [ 1488.457336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1488.457336][ T10] ___sys_sendmsg+0xee/0x170 [ 1488.457336][ T10] __sys_sendmsg+0xcd/0x170 [ 1488.457336][ T10] do_syscall_64+0xc6/0x1e0 [ 1488.457336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1488.457336][ T10] [ 1498.609279][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1498.609711][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1498.609711][ T10] netdev_get_by_index+0x5e/0x80 [ 1498.609711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1498.609711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1498.609711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1498.609711][ T10] ipv6_add_addr+0x411/0x2000 [ 1498.609711][ T10] inet6_addr_add+0x30e/0xa40 [ 1498.609711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.609711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.609711][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.609711][ T10] netlink_unicast+0x449/0x710 [ 1498.609711][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.609711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.609711][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.609711][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.609711][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.609711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.609711][ T10] [ 1498.611988][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1498.611988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1498.611988][ T10] ipv6_find_idev+0x102/0x170 [ 1498.611988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.611988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.611988][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.611988][ T10] netlink_unicast+0x449/0x710 [ 1498.611988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.611988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.611988][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.611988][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.611988][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.611988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.611988][ T10] [ 1498.613712][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1498.613712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1498.613712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1498.613712][ T10] ipv6_find_idev+0x102/0x170 [ 1498.613712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.613712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.613712][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.613712][ T10] netlink_unicast+0x449/0x710 [ 1498.613712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.613712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.613712][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.613712][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.613712][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.613712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.613712][ T10] [ 1498.615754][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1498.616276][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1498.616276][ T10] netdev_get_by_index+0x5e/0x80 [ 1498.616276][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1498.616276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1498.616276][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1498.616276][ T10] ipv6_add_addr+0x411/0x2000 [ 1498.616276][ T10] inet6_addr_add+0x30e/0xa40 [ 1498.616276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.616276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.616276][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.616276][ T10] netlink_unicast+0x449/0x710 [ 1498.616276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.616276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.616276][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.616276][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.616276][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.616276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.616276][ T10] [ 1498.618602][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1498.618602][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1498.618602][ T10] ipv6_find_idev+0x102/0x170 [ 1498.618602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.618602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.618602][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.618602][ T10] netlink_unicast+0x449/0x710 [ 1498.618602][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.618602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.618602][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.618602][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.618602][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.618602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.618602][ T10] [ 1498.620499][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1498.620499][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1498.620499][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1498.620499][ T10] ipv6_find_idev+0x102/0x170 [ 1498.620499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.620499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.620499][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.620499][ T10] netlink_unicast+0x449/0x710 [ 1498.620499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.620499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.620499][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.620499][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.620499][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.620499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.620499][ T10] [ 1498.622582][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1498.622944][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1498.622944][ T10] netdev_get_by_index+0x5e/0x80 [ 1498.622944][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1498.622944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1498.622944][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1498.622944][ T10] ipv6_add_addr+0x411/0x2000 [ 1498.622944][ T10] inet6_addr_add+0x30e/0xa40 [ 1498.622944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.622944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.622944][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.622944][ T10] netlink_unicast+0x449/0x710 [ 1498.622944][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.622944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.622944][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.622944][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.622944][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.622944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.622944][ T10] [ 1498.625440][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1498.625440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1498.625440][ T10] ipv6_find_idev+0x102/0x170 [ 1498.625440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.625440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.625440][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.625440][ T10] netlink_unicast+0x449/0x710 [ 1498.625440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.625440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.625440][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.625440][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.625440][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.625440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.625440][ T10] [ 1498.627163][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1498.627163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1498.627163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1498.627163][ T10] ipv6_find_idev+0x102/0x170 [ 1498.627163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.627163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.627163][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.627163][ T10] netlink_unicast+0x449/0x710 [ 1498.627163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.627163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.627163][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.627163][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.627163][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.627163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.627163][ T10] [ 1498.629538][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1498.629830][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1498.629830][ T10] netdev_get_by_index+0x5e/0x80 [ 1498.629830][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1498.629830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1498.629830][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1498.629830][ T10] ipv6_add_addr+0x411/0x2000 [ 1498.629830][ T10] inet6_addr_add+0x30e/0xa40 [ 1498.629830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.629830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.629830][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.629830][ T10] netlink_unicast+0x449/0x710 [ 1498.629830][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.629830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.629830][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.629830][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.629830][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.629830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.629830][ T10] [ 1498.632032][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1498.632032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1498.632032][ T10] ipv6_find_idev+0x102/0x170 [ 1498.632032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.632032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.632032][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.632032][ T10] netlink_unicast+0x449/0x710 [ 1498.632032][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.632032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.632032][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.632032][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.632032][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.632032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.632032][ T10] [ 1498.633812][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1498.633812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1498.633812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1498.633812][ T10] ipv6_find_idev+0x102/0x170 [ 1498.633812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.633812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.633812][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.633812][ T10] netlink_unicast+0x449/0x710 [ 1498.633812][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.633812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.633812][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.633812][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.633812][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.633812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.633812][ T10] [ 1498.635998][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1498.636622][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1498.636622][ T10] netdev_get_by_index+0x5e/0x80 [ 1498.636622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1498.636622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1498.636622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1498.636622][ T10] ipv6_add_addr+0x411/0x2000 [ 1498.636622][ T10] inet6_addr_add+0x30e/0xa40 [ 1498.636622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.636622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.636622][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.636622][ T10] netlink_unicast+0x449/0x710 [ 1498.636622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.636622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.636622][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.636622][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.636622][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.636622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.636622][ T10] [ 1498.638852][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1498.638852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1498.638852][ T10] ipv6_find_idev+0x102/0x170 [ 1498.638852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.638852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.638852][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.638852][ T10] netlink_unicast+0x449/0x710 [ 1498.638852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.638852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.638852][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.638852][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.638852][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.638852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.638852][ T10] [ 1498.640546][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1498.640546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1498.640546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1498.640546][ T10] ipv6_find_idev+0x102/0x170 [ 1498.640546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.640546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.640546][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.640546][ T10] netlink_unicast+0x449/0x710 [ 1498.640546][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.640546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.640546][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.640546][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.640546][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.640546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.640546][ T10] [ 1498.642480][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1498.642767][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1498.642767][ T10] netdev_get_by_index+0x5e/0x80 [ 1498.642767][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1498.642767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1498.642767][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1498.642767][ T10] ipv6_add_addr+0x411/0x2000 [ 1498.642767][ T10] inet6_addr_add+0x30e/0xa40 [ 1498.642767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.642767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.642767][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.642767][ T10] netlink_unicast+0x449/0x710 [ 1498.642767][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.642767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.642767][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.642767][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.642767][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.642767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.642767][ T10] [ 1498.644993][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1498.644993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1498.644993][ T10] ipv6_find_idev+0x102/0x170 [ 1498.644993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.644993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.644993][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.644993][ T10] netlink_unicast+0x449/0x710 [ 1498.644993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.644993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.644993][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.644993][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.644993][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.644993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.644993][ T10] [ 1498.646720][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1498.646720][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1498.646720][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1498.646720][ T10] ipv6_find_idev+0x102/0x170 [ 1498.646720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.646720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.646720][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.646720][ T10] netlink_unicast+0x449/0x710 [ 1498.646720][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.646720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.646720][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.646720][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.646720][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.646720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.646720][ T10] [ 1498.648930][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1498.649267][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1498.649267][ T10] netdev_get_by_index+0x5e/0x80 [ 1498.649267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1498.649267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1498.649267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1498.649267][ T10] ipv6_add_addr+0x411/0x2000 [ 1498.649267][ T10] inet6_addr_add+0x30e/0xa40 [ 1498.649267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.649267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.649267][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.649267][ T10] netlink_unicast+0x449/0x710 [ 1498.649267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.649267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.649267][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.649267][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.649267][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.649267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.649267][ T10] [ 1498.651780][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1498.651780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1498.651780][ T10] ipv6_find_idev+0x102/0x170 [ 1498.651780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.651780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.651780][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.651780][ T10] netlink_unicast+0x449/0x710 [ 1498.651780][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.651780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.651780][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.651780][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.651780][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.651780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.651780][ T10] [ 1498.653699][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1498.653699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1498.653699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1498.653699][ T10] ipv6_find_idev+0x102/0x170 [ 1498.653699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.653699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.653699][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.653699][ T10] netlink_unicast+0x449/0x710 [ 1498.653699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.653699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.653699][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.653699][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.653699][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.653699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.653699][ T10] [ 1498.655897][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1498.656242][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1498.656242][ T10] netdev_get_by_index+0x5e/0x80 [ 1498.656242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1498.656242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1498.656242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1498.656242][ T10] ipv6_add_addr+0x411/0x2000 [ 1498.656242][ T10] inet6_addr_add+0x30e/0xa40 [ 1498.656242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1498.656242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.656242][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.656242][ T10] netlink_unicast+0x449/0x710 [ 1498.656242][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.656242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.656242][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.656242][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.656242][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.656242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.656242][ T10] [ 1498.658676][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1498.658676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1498.658676][ T10] ipv6_find_idev+0x102/0x170 [ 1498.658676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.658676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.658676][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.658676][ T10] netlink_unicast+0x449/0x710 [ 1498.658676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.658676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.658676][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.658676][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.658676][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.658676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.658676][ T10] [ 1498.660646][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1498.660646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1498.660646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1498.660646][ T10] ipv6_find_idev+0x102/0x170 [ 1498.660646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1498.660646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1498.660646][ T10] netlink_rcv_skb+0x130/0x360 [ 1498.660646][ T10] netlink_unicast+0x449/0x710 [ 1498.660646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1498.660646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1498.660646][ T10] ___sys_sendmsg+0xee/0x170 [ 1498.660646][ T10] __sys_sendmsg+0xcd/0x170 [ 1498.660646][ T10] do_syscall_64+0xc6/0x1e0 [ 1498.660646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1498.660646][ T10] [ 1508.792201][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1508.792615][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1508.792615][ T10] netdev_get_by_index+0x5e/0x80 [ 1508.792615][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1508.792615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1508.792615][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1508.792615][ T10] ipv6_add_addr+0x411/0x2000 [ 1508.792615][ T10] inet6_addr_add+0x30e/0xa40 [ 1508.792615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.792615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.792615][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.792615][ T10] netlink_unicast+0x449/0x710 [ 1508.792615][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.792615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.792615][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.792615][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.792615][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.792615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.792615][ T10] [ 1508.794706][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1508.794706][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1508.794706][ T10] ipv6_find_idev+0x102/0x170 [ 1508.794706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.794706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.794706][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.794706][ T10] netlink_unicast+0x449/0x710 [ 1508.794706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.794706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.794706][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.794706][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.794706][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.794706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.794706][ T10] [ 1508.796318][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1508.796318][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1508.796318][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1508.796318][ T10] ipv6_find_idev+0x102/0x170 [ 1508.796318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.796318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.796318][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.796318][ T10] netlink_unicast+0x449/0x710 [ 1508.796318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.796318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.796318][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.796318][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.796318][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.796318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.796318][ T10] [ 1508.798043][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1508.798326][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1508.798326][ T10] netdev_get_by_index+0x5e/0x80 [ 1508.798326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1508.798326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1508.798326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1508.798326][ T10] ipv6_add_addr+0x411/0x2000 [ 1508.798326][ T10] inet6_addr_add+0x30e/0xa40 [ 1508.798326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.798326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.798326][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.798326][ T10] netlink_unicast+0x449/0x710 [ 1508.798326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.798326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.798326][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.798326][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.798326][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.798326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.798326][ T10] [ 1508.800391][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1508.800391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1508.800391][ T10] ipv6_find_idev+0x102/0x170 [ 1508.800391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.800391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.800391][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.800391][ T10] netlink_unicast+0x449/0x710 [ 1508.800391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.800391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.800391][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.800391][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.800391][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.800391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.800391][ T10] [ 1508.801958][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1508.801958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1508.801958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1508.801958][ T10] ipv6_find_idev+0x102/0x170 [ 1508.801958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.801958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.801958][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.801958][ T10] netlink_unicast+0x449/0x710 [ 1508.801958][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.801958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.801958][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.801958][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.801958][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.801958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.801958][ T10] [ 1508.803667][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1508.803929][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1508.803929][ T10] netdev_get_by_index+0x5e/0x80 [ 1508.803929][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1508.803929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1508.803929][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1508.803929][ T10] ipv6_add_addr+0x411/0x2000 [ 1508.803929][ T10] inet6_addr_add+0x30e/0xa40 [ 1508.803929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.803929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.803929][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.803929][ T10] netlink_unicast+0x449/0x710 [ 1508.803929][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.803929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.803929][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.803929][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.803929][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.803929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.803929][ T10] [ 1508.805953][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1508.805953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1508.805953][ T10] ipv6_find_idev+0x102/0x170 [ 1508.805953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.805953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.805953][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.805953][ T10] netlink_unicast+0x449/0x710 [ 1508.805953][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.805953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.805953][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.805953][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.805953][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.805953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.805953][ T10] [ 1508.807517][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1508.807517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1508.807517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1508.807517][ T10] ipv6_find_idev+0x102/0x170 [ 1508.807517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.807517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.807517][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.807517][ T10] netlink_unicast+0x449/0x710 [ 1508.807517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.807517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.807517][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.807517][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.807517][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.807517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.807517][ T10] [ 1508.809213][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1508.809479][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1508.809479][ T10] netdev_get_by_index+0x5e/0x80 [ 1508.809479][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1508.809479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1508.809479][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1508.809479][ T10] ipv6_add_addr+0x411/0x2000 [ 1508.809479][ T10] inet6_addr_add+0x30e/0xa40 [ 1508.809479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.809479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.809479][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.809479][ T10] netlink_unicast+0x449/0x710 [ 1508.809479][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.809479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.809479][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.809479][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.809479][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.809479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.809479][ T10] [ 1508.811490][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1508.811490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1508.811490][ T10] ipv6_find_idev+0x102/0x170 [ 1508.811490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.811490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.811490][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.811490][ T10] netlink_unicast+0x449/0x710 [ 1508.811490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.811490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.811490][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.811490][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.811490][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.811490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.811490][ T10] [ 1508.813038][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1508.813038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1508.813038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1508.813038][ T10] ipv6_find_idev+0x102/0x170 [ 1508.813038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.813038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.813038][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.813038][ T10] netlink_unicast+0x449/0x710 [ 1508.813038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.813038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.813038][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.813038][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.813038][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.813038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.813038][ T10] [ 1508.815139][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1508.815405][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1508.815405][ T10] netdev_get_by_index+0x5e/0x80 [ 1508.815405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1508.815405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1508.815405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1508.815405][ T10] ipv6_add_addr+0x411/0x2000 [ 1508.815405][ T10] inet6_addr_add+0x30e/0xa40 [ 1508.815405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.815405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.815405][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.815405][ T10] netlink_unicast+0x449/0x710 [ 1508.815405][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.815405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.815405][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.815405][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.815405][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.815405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.815405][ T10] [ 1508.817447][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1508.817447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1508.817447][ T10] ipv6_find_idev+0x102/0x170 [ 1508.817447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.817447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.817447][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.817447][ T10] netlink_unicast+0x449/0x710 [ 1508.817447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.817447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.817447][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.817447][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.817447][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.817447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.817447][ T10] [ 1508.818955][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1508.818955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1508.818955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1508.818955][ T10] ipv6_find_idev+0x102/0x170 [ 1508.818955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.818955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.818955][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.818955][ T10] netlink_unicast+0x449/0x710 [ 1508.818955][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.818955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.818955][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.818955][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.818955][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.818955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.818955][ T10] [ 1508.820666][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1508.820932][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1508.820932][ T10] netdev_get_by_index+0x5e/0x80 [ 1508.820932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1508.820932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1508.820932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1508.820932][ T10] ipv6_add_addr+0x411/0x2000 [ 1508.820932][ T10] inet6_addr_add+0x30e/0xa40 [ 1508.820932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.820932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.820932][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.820932][ T10] netlink_unicast+0x449/0x710 [ 1508.820932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.820932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.820932][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.820932][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.820932][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.820932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.820932][ T10] [ 1508.823022][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1508.823022][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1508.823022][ T10] ipv6_find_idev+0x102/0x170 [ 1508.823022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.823022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.823022][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.823022][ T10] netlink_unicast+0x449/0x710 [ 1508.823022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.823022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.823022][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.823022][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.823022][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.823022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.823022][ T10] [ 1508.824743][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1508.824743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1508.824743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1508.824743][ T10] ipv6_find_idev+0x102/0x170 [ 1508.824743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.824743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.824743][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.824743][ T10] netlink_unicast+0x449/0x710 [ 1508.824743][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.824743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.824743][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.824743][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.824743][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.824743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.824743][ T10] [ 1508.826615][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1508.826880][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1508.826880][ T10] netdev_get_by_index+0x5e/0x80 [ 1508.826880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1508.826880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1508.826880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1508.826880][ T10] ipv6_add_addr+0x411/0x2000 [ 1508.826880][ T10] inet6_addr_add+0x30e/0xa40 [ 1508.826880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.826880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.826880][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.826880][ T10] netlink_unicast+0x449/0x710 [ 1508.826880][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.826880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.826880][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.826880][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.826880][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.826880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.826880][ T10] [ 1508.829064][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1508.829064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1508.829064][ T10] ipv6_find_idev+0x102/0x170 [ 1508.829064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.829064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.829064][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.829064][ T10] netlink_unicast+0x449/0x710 [ 1508.829064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.829064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.829064][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.829064][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.829064][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.829064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.829064][ T10] [ 1508.830707][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1508.830707][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1508.830707][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1508.830707][ T10] ipv6_find_idev+0x102/0x170 [ 1508.830707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.830707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.830707][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.830707][ T10] netlink_unicast+0x449/0x710 [ 1508.830707][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.830707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.830707][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.830707][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.830707][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.830707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.830707][ T10] [ 1508.832550][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1508.832818][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1508.832818][ T10] netdev_get_by_index+0x5e/0x80 [ 1508.832818][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1508.832818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1508.832818][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1508.832818][ T10] ipv6_add_addr+0x411/0x2000 [ 1508.832818][ T10] inet6_addr_add+0x30e/0xa40 [ 1508.832818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1508.832818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.832818][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.832818][ T10] netlink_unicast+0x449/0x710 [ 1508.832818][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.832818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.832818][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.832818][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.832818][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.832818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.832818][ T10] [ 1508.834986][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1508.834986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1508.834986][ T10] ipv6_find_idev+0x102/0x170 [ 1508.834986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.834986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.834986][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.834986][ T10] netlink_unicast+0x449/0x710 [ 1508.834986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.834986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.834986][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.834986][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.834986][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.834986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.834986][ T10] [ 1508.836660][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1508.836660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1508.836660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1508.836660][ T10] ipv6_find_idev+0x102/0x170 [ 1508.836660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1508.836660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1508.836660][ T10] netlink_rcv_skb+0x130/0x360 [ 1508.836660][ T10] netlink_unicast+0x449/0x710 [ 1508.836660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1508.836660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1508.836660][ T10] ___sys_sendmsg+0xee/0x170 [ 1508.836660][ T10] __sys_sendmsg+0xcd/0x170 [ 1508.836660][ T10] do_syscall_64+0xc6/0x1e0 [ 1508.836660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1508.836660][ T10] [ 1518.856205][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1518.856635][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1518.856635][ T10] netdev_get_by_index+0x5e/0x80 [ 1518.856635][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1518.856635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1518.856635][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1518.856635][ T10] ipv6_add_addr+0x411/0x2000 [ 1518.856635][ T10] inet6_addr_add+0x30e/0xa40 [ 1518.856635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.856635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.856635][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.856635][ T10] netlink_unicast+0x449/0x710 [ 1518.856635][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.856635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.856635][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.856635][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.856635][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.856635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.856635][ T10] [ 1518.858703][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1518.858703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1518.858703][ T10] ipv6_find_idev+0x102/0x170 [ 1518.858703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.858703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.858703][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.858703][ T10] netlink_unicast+0x449/0x710 [ 1518.858703][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.858703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.858703][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.858703][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.858703][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.858703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.858703][ T10] [ 1518.860259][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1518.860259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1518.860259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1518.860259][ T10] ipv6_find_idev+0x102/0x170 [ 1518.860259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.860259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.860259][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.860259][ T10] netlink_unicast+0x449/0x710 [ 1518.860259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.860259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.860259][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.860259][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.860259][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.860259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.860259][ T10] [ 1518.861930][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1518.862225][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1518.862225][ T10] netdev_get_by_index+0x5e/0x80 [ 1518.862225][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1518.862225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1518.862225][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1518.862225][ T10] ipv6_add_addr+0x411/0x2000 [ 1518.862225][ T10] inet6_addr_add+0x30e/0xa40 [ 1518.862225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.862225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.862225][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.862225][ T10] netlink_unicast+0x449/0x710 [ 1518.862225][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.862225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.862225][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.862225][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.862225][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.862225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.862225][ T10] [ 1518.864250][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1518.864250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1518.864250][ T10] ipv6_find_idev+0x102/0x170 [ 1518.864250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.864250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.864250][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.864250][ T10] netlink_unicast+0x449/0x710 [ 1518.864250][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.864250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.864250][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.864250][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.864250][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.864250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.864250][ T10] [ 1518.865762][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1518.865762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1518.865762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1518.865762][ T10] ipv6_find_idev+0x102/0x170 [ 1518.865762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.865762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.865762][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.865762][ T10] netlink_unicast+0x449/0x710 [ 1518.865762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.865762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.865762][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.865762][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.865762][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.865762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.865762][ T10] [ 1518.867466][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1518.867734][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1518.867734][ T10] netdev_get_by_index+0x5e/0x80 [ 1518.867734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1518.867734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1518.867734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1518.867734][ T10] ipv6_add_addr+0x411/0x2000 [ 1518.867734][ T10] inet6_addr_add+0x30e/0xa40 [ 1518.867734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.867734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.867734][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.867734][ T10] netlink_unicast+0x449/0x710 [ 1518.867734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.867734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.867734][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.867734][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.867734][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.867734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.867734][ T10] [ 1518.869727][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1518.869727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1518.869727][ T10] ipv6_find_idev+0x102/0x170 [ 1518.869727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.869727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.869727][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.869727][ T10] netlink_unicast+0x449/0x710 [ 1518.869727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.869727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.869727][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.869727][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.869727][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.869727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.869727][ T10] [ 1518.871320][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1518.871320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1518.871320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1518.871320][ T10] ipv6_find_idev+0x102/0x170 [ 1518.871320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.871320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.871320][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.871320][ T10] netlink_unicast+0x449/0x710 [ 1518.871320][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.871320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.871320][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.871320][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.871320][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.871320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.871320][ T10] [ 1518.873234][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1518.873691][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1518.873691][ T10] netdev_get_by_index+0x5e/0x80 [ 1518.873691][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1518.873691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1518.873691][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1518.873691][ T10] ipv6_add_addr+0x411/0x2000 [ 1518.873691][ T10] inet6_addr_add+0x30e/0xa40 [ 1518.873691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.873691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.873691][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.873691][ T10] netlink_unicast+0x449/0x710 [ 1518.873691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.873691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.873691][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.873691][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.873691][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.873691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.873691][ T10] [ 1518.877005][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1518.877005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1518.877005][ T10] ipv6_find_idev+0x102/0x170 [ 1518.877005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.877005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.877005][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.877005][ T10] netlink_unicast+0x449/0x710 [ 1518.877005][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.877005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.877005][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.877005][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.877005][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.877005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.877005][ T10] [ 1518.879525][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1518.879525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1518.879525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1518.879525][ T10] ipv6_find_idev+0x102/0x170 [ 1518.879525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.879525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.879525][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.879525][ T10] netlink_unicast+0x449/0x710 [ 1518.879525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.879525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.879525][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.879525][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.879525][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.879525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.879525][ T10] [ 1518.883076][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1518.884159][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1518.884159][ T10] netdev_get_by_index+0x5e/0x80 [ 1518.884159][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1518.884159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1518.884159][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1518.884159][ T10] ipv6_add_addr+0x411/0x2000 [ 1518.884159][ T10] inet6_addr_add+0x30e/0xa40 [ 1518.884159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.884159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.884159][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.884159][ T10] netlink_unicast+0x449/0x710 [ 1518.884159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.884159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.884159][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.884159][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.884159][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.884159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.884159][ T10] [ 1518.887476][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1518.887476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1518.887476][ T10] ipv6_find_idev+0x102/0x170 [ 1518.887476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.887476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.887476][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.887476][ T10] netlink_unicast+0x449/0x710 [ 1518.887476][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.887476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.887476][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.887476][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.887476][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.887476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.887476][ T10] [ 1518.889969][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1518.889969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1518.889969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1518.889969][ T10] ipv6_find_idev+0x102/0x170 [ 1518.889969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.889969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.889969][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.889969][ T10] netlink_unicast+0x449/0x710 [ 1518.889969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.889969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.889969][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.889969][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.889969][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.889969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.889969][ T10] [ 1518.892742][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1518.893296][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1518.893296][ T10] netdev_get_by_index+0x5e/0x80 [ 1518.893296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1518.893296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1518.893296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1518.893296][ T10] ipv6_add_addr+0x411/0x2000 [ 1518.893296][ T10] inet6_addr_add+0x30e/0xa40 [ 1518.893296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.893296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.893296][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.893296][ T10] netlink_unicast+0x449/0x710 [ 1518.893296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.893296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.893296][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.893296][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.893296][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.893296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.893296][ T10] [ 1518.896695][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1518.896695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1518.896695][ T10] ipv6_find_idev+0x102/0x170 [ 1518.896695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.896695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.896695][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.896695][ T10] netlink_unicast+0x449/0x710 [ 1518.896695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.896695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.896695][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.896695][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.896695][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.896695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.896695][ T10] [ 1518.899493][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1518.899493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1518.899493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1518.899493][ T10] ipv6_find_idev+0x102/0x170 [ 1518.899493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.899493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.899493][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.899493][ T10] netlink_unicast+0x449/0x710 [ 1518.899493][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.899493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.899493][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.899493][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.899493][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.899493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.899493][ T10] [ 1518.902928][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1518.903503][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1518.903503][ T10] netdev_get_by_index+0x5e/0x80 [ 1518.903503][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1518.903503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1518.903503][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1518.903503][ T10] ipv6_add_addr+0x411/0x2000 [ 1518.903503][ T10] inet6_addr_add+0x30e/0xa40 [ 1518.903503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.903503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.903503][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.903503][ T10] netlink_unicast+0x449/0x710 [ 1518.903503][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.903503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.903503][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.903503][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.903503][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.903503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.903503][ T10] [ 1518.907394][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1518.907394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1518.907394][ T10] ipv6_find_idev+0x102/0x170 [ 1518.907394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.907394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.907394][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.907394][ T10] netlink_unicast+0x449/0x710 [ 1518.907394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.907394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.907394][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.907394][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.907394][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.907394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.907394][ T10] [ 1518.910409][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1518.910409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1518.910409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1518.910409][ T10] ipv6_find_idev+0x102/0x170 [ 1518.910409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.910409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.910409][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.910409][ T10] netlink_unicast+0x449/0x710 [ 1518.910409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.910409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.910409][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.910409][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.910409][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.910409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.910409][ T10] [ 1518.913790][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1518.914380][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1518.914380][ T10] netdev_get_by_index+0x5e/0x80 [ 1518.914380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1518.914380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1518.914380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1518.914380][ T10] ipv6_add_addr+0x411/0x2000 [ 1518.914380][ T10] inet6_addr_add+0x30e/0xa40 [ 1518.914380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1518.914380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.914380][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.914380][ T10] netlink_unicast+0x449/0x710 [ 1518.914380][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.914380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.914380][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.914380][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.914380][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.914380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.914380][ T10] [ 1518.918219][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1518.918219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1518.918219][ T10] ipv6_find_idev+0x102/0x170 [ 1518.918219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.918219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.918219][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.918219][ T10] netlink_unicast+0x449/0x710 [ 1518.918219][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.918219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.918219][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.918219][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.918219][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.918219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.918219][ T10] [ 1518.921264][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1518.921264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1518.921264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1518.921264][ T10] ipv6_find_idev+0x102/0x170 [ 1518.921264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1518.921264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1518.921264][ T10] netlink_rcv_skb+0x130/0x360 [ 1518.921264][ T10] netlink_unicast+0x449/0x710 [ 1518.921264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1518.921264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1518.921264][ T10] ___sys_sendmsg+0xee/0x170 [ 1518.921264][ T10] __sys_sendmsg+0xcd/0x170 [ 1518.921264][ T10] do_syscall_64+0xc6/0x1e0 [ 1518.921264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1518.921264][ T10] [ 1528.928128][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1528.928454][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1528.928454][ T10] netdev_get_by_index+0x5e/0x80 [ 1528.928454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1528.928454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1528.928454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1528.928454][ T10] ipv6_add_addr+0x411/0x2000 [ 1528.928454][ T10] inet6_addr_add+0x30e/0xa40 [ 1528.928454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.928454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.928454][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.928454][ T10] netlink_unicast+0x449/0x710 [ 1528.928454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.928454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.928454][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.928454][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.928454][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.928454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.928454][ T10] [ 1528.930486][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1528.930486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1528.930486][ T10] ipv6_find_idev+0x102/0x170 [ 1528.930486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.930486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.930486][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.930486][ T10] netlink_unicast+0x449/0x710 [ 1528.930486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.930486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.930486][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.930486][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.930486][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.930486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.930486][ T10] [ 1528.932026][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1528.932026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1528.932026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1528.932026][ T10] ipv6_find_idev+0x102/0x170 [ 1528.932026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.932026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.932026][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.932026][ T10] netlink_unicast+0x449/0x710 [ 1528.932026][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.932026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.932026][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.932026][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.932026][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.932026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.932026][ T10] [ 1528.933796][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1528.934066][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1528.934066][ T10] netdev_get_by_index+0x5e/0x80 [ 1528.934066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1528.934066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1528.934066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1528.934066][ T10] ipv6_add_addr+0x411/0x2000 [ 1528.934066][ T10] inet6_addr_add+0x30e/0xa40 [ 1528.934066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.934066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.934066][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.934066][ T10] netlink_unicast+0x449/0x710 [ 1528.934066][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.934066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.934066][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.934066][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.934066][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.934066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.934066][ T10] [ 1528.936048][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1528.936048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1528.936048][ T10] ipv6_find_idev+0x102/0x170 [ 1528.936048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.936048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.936048][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.936048][ T10] netlink_unicast+0x449/0x710 [ 1528.936048][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.936048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.936048][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.936048][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.936048][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.936048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.936048][ T10] [ 1528.937576][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1528.937576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1528.937576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1528.937576][ T10] ipv6_find_idev+0x102/0x170 [ 1528.937576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.937576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.937576][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.937576][ T10] netlink_unicast+0x449/0x710 [ 1528.937576][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.937576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.937576][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.937576][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.937576][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.937576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.937576][ T10] [ 1528.939249][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1528.939512][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1528.939512][ T10] netdev_get_by_index+0x5e/0x80 [ 1528.939512][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1528.939512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1528.939512][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1528.939512][ T10] ipv6_add_addr+0x411/0x2000 [ 1528.939512][ T10] inet6_addr_add+0x30e/0xa40 [ 1528.939512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.939512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.939512][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.939512][ T10] netlink_unicast+0x449/0x710 [ 1528.939512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.939512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.939512][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.939512][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.939512][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.939512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.939512][ T10] [ 1528.941516][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1528.941516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1528.941516][ T10] ipv6_find_idev+0x102/0x170 [ 1528.941516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.941516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.941516][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.941516][ T10] netlink_unicast+0x449/0x710 [ 1528.941516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.941516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.941516][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.941516][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.941516][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.941516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.941516][ T10] [ 1528.943011][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1528.943011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1528.943011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1528.943011][ T10] ipv6_find_idev+0x102/0x170 [ 1528.943011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.943011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.943011][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.943011][ T10] netlink_unicast+0x449/0x710 [ 1528.943011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.943011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.943011][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.943011][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.943011][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.943011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.943011][ T10] [ 1528.944741][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1528.945003][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1528.945003][ T10] netdev_get_by_index+0x5e/0x80 [ 1528.945003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1528.945003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1528.945003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1528.945003][ T10] ipv6_add_addr+0x411/0x2000 [ 1528.945003][ T10] inet6_addr_add+0x30e/0xa40 [ 1528.945003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.945003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.945003][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.945003][ T10] netlink_unicast+0x449/0x710 [ 1528.945003][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.945003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.945003][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.945003][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.945003][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.945003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.945003][ T10] [ 1528.947024][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1528.947024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1528.947024][ T10] ipv6_find_idev+0x102/0x170 [ 1528.947024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.947024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.947024][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.947024][ T10] netlink_unicast+0x449/0x710 [ 1528.947024][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.947024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.947024][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.947024][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.947024][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.947024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.947024][ T10] [ 1528.948592][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1528.948592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1528.948592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1528.948592][ T10] ipv6_find_idev+0x102/0x170 [ 1528.948592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.948592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.948592][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.948592][ T10] netlink_unicast+0x449/0x710 [ 1528.948592][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.948592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.948592][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.948592][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.948592][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.948592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.948592][ T10] [ 1528.950270][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1528.950534][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1528.950534][ T10] netdev_get_by_index+0x5e/0x80 [ 1528.950534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1528.950534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1528.950534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1528.950534][ T10] ipv6_add_addr+0x411/0x2000 [ 1528.950534][ T10] inet6_addr_add+0x30e/0xa40 [ 1528.950534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.950534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.950534][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.950534][ T10] netlink_unicast+0x449/0x710 [ 1528.950534][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.950534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.950534][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.950534][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.950534][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.950534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.950534][ T10] [ 1528.952631][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1528.952631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1528.952631][ T10] ipv6_find_idev+0x102/0x170 [ 1528.952631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.952631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.952631][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.952631][ T10] netlink_unicast+0x449/0x710 [ 1528.952631][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.952631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.952631][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.952631][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.952631][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.952631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.952631][ T10] [ 1528.954308][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1528.954308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1528.954308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1528.954308][ T10] ipv6_find_idev+0x102/0x170 [ 1528.954308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.954308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.954308][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.954308][ T10] netlink_unicast+0x449/0x710 [ 1528.954308][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.954308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.954308][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.954308][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.954308][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.954308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.954308][ T10] [ 1528.956469][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1528.956735][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1528.956735][ T10] netdev_get_by_index+0x5e/0x80 [ 1528.956735][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1528.956735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1528.956735][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1528.956735][ T10] ipv6_add_addr+0x411/0x2000 [ 1528.956735][ T10] inet6_addr_add+0x30e/0xa40 [ 1528.956735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.956735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.956735][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.956735][ T10] netlink_unicast+0x449/0x710 [ 1528.956735][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.956735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.956735][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.956735][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.956735][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.956735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.956735][ T10] [ 1528.958763][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1528.958763][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1528.958763][ T10] ipv6_find_idev+0x102/0x170 [ 1528.958763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.958763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.958763][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.958763][ T10] netlink_unicast+0x449/0x710 [ 1528.958763][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.958763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.958763][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.958763][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.958763][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.958763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.958763][ T10] [ 1528.960372][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1528.960372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1528.960372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1528.960372][ T10] ipv6_find_idev+0x102/0x170 [ 1528.960372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.960372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.960372][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.960372][ T10] netlink_unicast+0x449/0x710 [ 1528.960372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.960372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.960372][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.960372][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.960372][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.960372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.960372][ T10] [ 1528.962356][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1528.962620][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1528.962620][ T10] netdev_get_by_index+0x5e/0x80 [ 1528.962620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1528.962620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1528.962620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1528.962620][ T10] ipv6_add_addr+0x411/0x2000 [ 1528.962620][ T10] inet6_addr_add+0x30e/0xa40 [ 1528.962620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.962620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.962620][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.962620][ T10] netlink_unicast+0x449/0x710 [ 1528.962620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.962620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.962620][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.962620][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.962620][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.962620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.962620][ T10] [ 1528.964737][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1528.964737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1528.964737][ T10] ipv6_find_idev+0x102/0x170 [ 1528.964737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.964737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.964737][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.964737][ T10] netlink_unicast+0x449/0x710 [ 1528.964737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.964737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.964737][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.964737][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.964737][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.964737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.964737][ T10] [ 1528.966514][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1528.966514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1528.966514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1528.966514][ T10] ipv6_find_idev+0x102/0x170 [ 1528.966514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.966514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.966514][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.966514][ T10] netlink_unicast+0x449/0x710 [ 1528.966514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.966514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.966514][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.966514][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.966514][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.966514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.966514][ T10] [ 1528.968377][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1528.968643][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1528.968643][ T10] netdev_get_by_index+0x5e/0x80 [ 1528.968643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1528.968643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1528.968643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1528.968643][ T10] ipv6_add_addr+0x411/0x2000 [ 1528.968643][ T10] inet6_addr_add+0x30e/0xa40 [ 1528.968643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1528.968643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.968643][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.968643][ T10] netlink_unicast+0x449/0x710 [ 1528.968643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.968643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.968643][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.968643][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.968643][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.968643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.968643][ T10] [ 1528.970808][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1528.970808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1528.970808][ T10] ipv6_find_idev+0x102/0x170 [ 1528.970808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.970808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.970808][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.970808][ T10] netlink_unicast+0x449/0x710 [ 1528.970808][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.970808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.970808][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.970808][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.970808][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.970808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.970808][ T10] [ 1528.972616][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1528.972616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1528.972616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1528.972616][ T10] ipv6_find_idev+0x102/0x170 [ 1528.972616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1528.972616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1528.972616][ T10] netlink_rcv_skb+0x130/0x360 [ 1528.972616][ T10] netlink_unicast+0x449/0x710 [ 1528.972616][ T10] netlink_sendmsg+0x723/0xbe0 [ 1528.972616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1528.972616][ T10] ___sys_sendmsg+0xee/0x170 [ 1528.972616][ T10] __sys_sendmsg+0xcd/0x170 [ 1528.972616][ T10] do_syscall_64+0xc6/0x1e0 [ 1528.972616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1528.972616][ T10] [ 1539.121183][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1539.121580][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1539.121580][ T10] netdev_get_by_index+0x5e/0x80 [ 1539.121580][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1539.121580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1539.121580][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1539.121580][ T10] ipv6_add_addr+0x411/0x2000 [ 1539.121580][ T10] inet6_addr_add+0x30e/0xa40 [ 1539.121580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.121580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.121580][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.121580][ T10] netlink_unicast+0x449/0x710 [ 1539.121580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.121580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.121580][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.121580][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.121580][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.121580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.121580][ T10] [ 1539.123609][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1539.123609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1539.123609][ T10] ipv6_find_idev+0x102/0x170 [ 1539.123609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.123609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.123609][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.123609][ T10] netlink_unicast+0x449/0x710 [ 1539.123609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.123609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.123609][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.123609][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.123609][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.123609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.123609][ T10] [ 1539.125167][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1539.125167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1539.125167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1539.125167][ T10] ipv6_find_idev+0x102/0x170 [ 1539.125167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.125167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.125167][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.125167][ T10] netlink_unicast+0x449/0x710 [ 1539.125167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.125167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.125167][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.125167][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.125167][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.125167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.125167][ T10] [ 1539.126932][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1539.127285][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1539.127285][ T10] netdev_get_by_index+0x5e/0x80 [ 1539.127285][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1539.127285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1539.127285][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1539.127285][ T10] ipv6_add_addr+0x411/0x2000 [ 1539.127285][ T10] inet6_addr_add+0x30e/0xa40 [ 1539.127285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.127285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.127285][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.127285][ T10] netlink_unicast+0x449/0x710 [ 1539.127285][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.127285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.127285][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.127285][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.127285][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.127285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.127285][ T10] [ 1539.129292][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1539.129292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1539.129292][ T10] ipv6_find_idev+0x102/0x170 [ 1539.129292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.129292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.129292][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.129292][ T10] netlink_unicast+0x449/0x710 [ 1539.129292][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.129292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.129292][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.129292][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.129292][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.129292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.129292][ T10] [ 1539.130850][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1539.130850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1539.130850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1539.130850][ T10] ipv6_find_idev+0x102/0x170 [ 1539.130850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.130850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.130850][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.130850][ T10] netlink_unicast+0x449/0x710 [ 1539.130850][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.130850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.130850][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.130850][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.130850][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.130850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.130850][ T10] [ 1539.132602][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1539.132864][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1539.132864][ T10] netdev_get_by_index+0x5e/0x80 [ 1539.132864][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1539.132864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1539.132864][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1539.132864][ T10] ipv6_add_addr+0x411/0x2000 [ 1539.132864][ T10] inet6_addr_add+0x30e/0xa40 [ 1539.132864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.132864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.132864][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.132864][ T10] netlink_unicast+0x449/0x710 [ 1539.132864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.132864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.132864][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.132864][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.132864][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.132864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.132864][ T10] [ 1539.134951][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1539.134951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1539.134951][ T10] ipv6_find_idev+0x102/0x170 [ 1539.134951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.134951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.134951][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.134951][ T10] netlink_unicast+0x449/0x710 [ 1539.134951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.134951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.134951][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.134951][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.134951][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.134951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.134951][ T10] [ 1539.136588][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1539.136588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1539.136588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1539.136588][ T10] ipv6_find_idev+0x102/0x170 [ 1539.136588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.136588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.136588][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.136588][ T10] netlink_unicast+0x449/0x710 [ 1539.136588][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.136588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.136588][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.136588][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.136588][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.136588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.136588][ T10] [ 1539.138336][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1539.138599][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1539.138599][ T10] netdev_get_by_index+0x5e/0x80 [ 1539.138599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1539.138599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1539.138599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1539.138599][ T10] ipv6_add_addr+0x411/0x2000 [ 1539.138599][ T10] inet6_addr_add+0x30e/0xa40 [ 1539.138599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.138599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.138599][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.138599][ T10] netlink_unicast+0x449/0x710 [ 1539.138599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.138599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.138599][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.138599][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.138599][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.138599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.138599][ T10] [ 1539.140600][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1539.140600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1539.140600][ T10] ipv6_find_idev+0x102/0x170 [ 1539.140600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.140600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.140600][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.140600][ T10] netlink_unicast+0x449/0x710 [ 1539.140600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.140600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.140600][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.140600][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.140600][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.140600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.140600][ T10] [ 1539.142146][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1539.142146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1539.142146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1539.142146][ T10] ipv6_find_idev+0x102/0x170 [ 1539.142146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.142146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.142146][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.142146][ T10] netlink_unicast+0x449/0x710 [ 1539.142146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.142146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.142146][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.142146][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.142146][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.142146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.142146][ T10] [ 1539.143969][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1539.144307][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1539.144307][ T10] netdev_get_by_index+0x5e/0x80 [ 1539.144307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1539.144307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1539.144307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1539.144307][ T10] ipv6_add_addr+0x411/0x2000 [ 1539.144307][ T10] inet6_addr_add+0x30e/0xa40 [ 1539.144307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.144307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.144307][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.144307][ T10] netlink_unicast+0x449/0x710 [ 1539.144307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.144307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.144307][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.144307][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.144307][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.144307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.144307][ T10] [ 1539.146496][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1539.146496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1539.146496][ T10] ipv6_find_idev+0x102/0x170 [ 1539.146496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.146496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.146496][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.146496][ T10] netlink_unicast+0x449/0x710 [ 1539.146496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.146496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.146496][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.146496][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.146496][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.146496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.146496][ T10] [ 1539.148236][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1539.148236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1539.148236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1539.148236][ T10] ipv6_find_idev+0x102/0x170 [ 1539.148236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.148236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.148236][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.148236][ T10] netlink_unicast+0x449/0x710 [ 1539.148236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.148236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.148236][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.148236][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.148236][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.148236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.148236][ T10] [ 1539.150262][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1539.150531][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1539.150531][ T10] netdev_get_by_index+0x5e/0x80 [ 1539.150531][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1539.150531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1539.150531][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1539.150531][ T10] ipv6_add_addr+0x411/0x2000 [ 1539.150531][ T10] inet6_addr_add+0x30e/0xa40 [ 1539.150531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.150531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.150531][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.150531][ T10] netlink_unicast+0x449/0x710 [ 1539.150531][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.150531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.150531][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.150531][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.150531][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.150531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.150531][ T10] [ 1539.152842][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1539.152842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1539.152842][ T10] ipv6_find_idev+0x102/0x170 [ 1539.152842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.152842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.152842][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.152842][ T10] netlink_unicast+0x449/0x710 [ 1539.152842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.152842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.152842][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.152842][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.152842][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.152842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.152842][ T10] [ 1539.154530][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1539.154530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1539.154530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1539.154530][ T10] ipv6_find_idev+0x102/0x170 [ 1539.154530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.154530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.154530][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.154530][ T10] netlink_unicast+0x449/0x710 [ 1539.154530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.154530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.154530][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.154530][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.154530][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.154530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.154530][ T10] [ 1539.156583][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1539.156863][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1539.156863][ T10] netdev_get_by_index+0x5e/0x80 [ 1539.156863][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1539.156863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1539.156863][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1539.156863][ T10] ipv6_add_addr+0x411/0x2000 [ 1539.156863][ T10] inet6_addr_add+0x30e/0xa40 [ 1539.156863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.156863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.156863][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.156863][ T10] netlink_unicast+0x449/0x710 [ 1539.156863][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.156863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.156863][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.156863][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.156863][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.156863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.156863][ T10] [ 1539.159089][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1539.159089][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1539.159089][ T10] ipv6_find_idev+0x102/0x170 [ 1539.159089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.159089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.159089][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.159089][ T10] netlink_unicast+0x449/0x710 [ 1539.159089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.159089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.159089][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.159089][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.159089][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.159089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.159089][ T10] [ 1539.160894][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1539.160894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1539.160894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1539.160894][ T10] ipv6_find_idev+0x102/0x170 [ 1539.160894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.160894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.160894][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.160894][ T10] netlink_unicast+0x449/0x710 [ 1539.160894][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.160894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.160894][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.160894][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.160894][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.160894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.160894][ T10] [ 1539.162933][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1539.163270][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1539.163270][ T10] netdev_get_by_index+0x5e/0x80 [ 1539.163270][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1539.163270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1539.163270][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1539.163270][ T10] ipv6_add_addr+0x411/0x2000 [ 1539.163270][ T10] inet6_addr_add+0x30e/0xa40 [ 1539.163270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1539.163270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.163270][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.163270][ T10] netlink_unicast+0x449/0x710 [ 1539.163270][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.163270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.163270][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.163270][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.163270][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.163270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.163270][ T10] [ 1539.165474][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1539.165474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1539.165474][ T10] ipv6_find_idev+0x102/0x170 [ 1539.165474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.165474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.165474][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.165474][ T10] netlink_unicast+0x449/0x710 [ 1539.165474][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.165474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.165474][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.165474][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.165474][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.165474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.165474][ T10] [ 1539.167214][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1539.167214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1539.167214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1539.167214][ T10] ipv6_find_idev+0x102/0x170 [ 1539.167214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1539.167214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1539.167214][ T10] netlink_rcv_skb+0x130/0x360 [ 1539.167214][ T10] netlink_unicast+0x449/0x710 [ 1539.167214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1539.167214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1539.167214][ T10] ___sys_sendmsg+0xee/0x170 [ 1539.167214][ T10] __sys_sendmsg+0xcd/0x170 [ 1539.167214][ T10] do_syscall_64+0xc6/0x1e0 [ 1539.167214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1539.167214][ T10] [ 1549.208163][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1549.208601][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1549.208601][ T10] netdev_get_by_index+0x5e/0x80 [ 1549.208601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1549.208601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1549.208601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1549.208601][ T10] ipv6_add_addr+0x411/0x2000 [ 1549.208601][ T10] inet6_addr_add+0x30e/0xa40 [ 1549.208601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.208601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.208601][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.208601][ T10] netlink_unicast+0x449/0x710 [ 1549.208601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.208601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.208601][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.208601][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.208601][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.208601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.208601][ T10] [ 1549.210670][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1549.210670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1549.210670][ T10] ipv6_find_idev+0x102/0x170 [ 1549.210670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.210670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.210670][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.210670][ T10] netlink_unicast+0x449/0x710 [ 1549.210670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.210670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.210670][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.210670][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.210670][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.210670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.210670][ T10] [ 1549.212218][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1549.212218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1549.212218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1549.212218][ T10] ipv6_find_idev+0x102/0x170 [ 1549.212218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.212218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.212218][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.212218][ T10] netlink_unicast+0x449/0x710 [ 1549.212218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.212218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.212218][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.212218][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.212218][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.212218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.212218][ T10] [ 1549.213911][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1549.214191][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1549.214191][ T10] netdev_get_by_index+0x5e/0x80 [ 1549.214191][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1549.214191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1549.214191][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1549.214191][ T10] ipv6_add_addr+0x411/0x2000 [ 1549.214191][ T10] inet6_addr_add+0x30e/0xa40 [ 1549.214191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.214191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.214191][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.214191][ T10] netlink_unicast+0x449/0x710 [ 1549.214191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.214191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.214191][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.214191][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.214191][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.214191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.214191][ T10] [ 1549.216196][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1549.216196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1549.216196][ T10] ipv6_find_idev+0x102/0x170 [ 1549.216196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.216196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.216196][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.216196][ T10] netlink_unicast+0x449/0x710 [ 1549.216196][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.216196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.216196][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.216196][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.216196][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.216196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.216196][ T10] [ 1549.217744][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1549.217744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1549.217744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1549.217744][ T10] ipv6_find_idev+0x102/0x170 [ 1549.217744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.217744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.217744][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.217744][ T10] netlink_unicast+0x449/0x710 [ 1549.217744][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.217744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.217744][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.217744][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.217744][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.217744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.217744][ T10] [ 1549.219456][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1549.219730][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1549.219730][ T10] netdev_get_by_index+0x5e/0x80 [ 1549.219730][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1549.219730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1549.219730][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1549.219730][ T10] ipv6_add_addr+0x411/0x2000 [ 1549.219730][ T10] inet6_addr_add+0x30e/0xa40 [ 1549.219730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.219730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.219730][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.219730][ T10] netlink_unicast+0x449/0x710 [ 1549.219730][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.219730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.219730][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.219730][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.219730][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.219730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.219730][ T10] [ 1549.221696][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1549.221696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1549.221696][ T10] ipv6_find_idev+0x102/0x170 [ 1549.221696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.221696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.221696][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.221696][ T10] netlink_unicast+0x449/0x710 [ 1549.221696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.221696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.221696][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.221696][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.221696][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.221696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.221696][ T10] [ 1549.223207][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1549.223207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1549.223207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1549.223207][ T10] ipv6_find_idev+0x102/0x170 [ 1549.223207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.223207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.223207][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.223207][ T10] netlink_unicast+0x449/0x710 [ 1549.223207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.223207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.223207][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.223207][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.223207][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.223207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.223207][ T10] [ 1549.224856][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1549.225117][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1549.225117][ T10] netdev_get_by_index+0x5e/0x80 [ 1549.225117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1549.225117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1549.225117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1549.225117][ T10] ipv6_add_addr+0x411/0x2000 [ 1549.225117][ T10] inet6_addr_add+0x30e/0xa40 [ 1549.225117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.225117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.225117][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.225117][ T10] netlink_unicast+0x449/0x710 [ 1549.225117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.225117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.225117][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.225117][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.225117][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.225117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.225117][ T10] [ 1549.227144][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1549.227144][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1549.227144][ T10] ipv6_find_idev+0x102/0x170 [ 1549.227144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.227144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.227144][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.227144][ T10] netlink_unicast+0x449/0x710 [ 1549.227144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.227144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.227144][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.227144][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.227144][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.227144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.227144][ T10] [ 1549.228704][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1549.228704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1549.228704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1549.228704][ T10] ipv6_find_idev+0x102/0x170 [ 1549.228704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.228704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.228704][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.228704][ T10] netlink_unicast+0x449/0x710 [ 1549.228704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.228704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.228704][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.228704][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.228704][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.228704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.228704][ T10] [ 1549.230787][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1549.231047][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1549.231047][ T10] netdev_get_by_index+0x5e/0x80 [ 1549.231047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1549.231047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1549.231047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1549.231047][ T10] ipv6_add_addr+0x411/0x2000 [ 1549.231047][ T10] inet6_addr_add+0x30e/0xa40 [ 1549.231047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.231047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.231047][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.231047][ T10] netlink_unicast+0x449/0x710 [ 1549.231047][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.231047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.231047][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.231047][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.231047][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.231047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.231047][ T10] [ 1549.233031][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1549.233031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1549.233031][ T10] ipv6_find_idev+0x102/0x170 [ 1549.233031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.233031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.233031][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.233031][ T10] netlink_unicast+0x449/0x710 [ 1549.233031][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.233031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.233031][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.233031][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.233031][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.233031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.233031][ T10] [ 1549.234551][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1549.234551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1549.234551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1549.234551][ T10] ipv6_find_idev+0x102/0x170 [ 1549.234551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.234551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.234551][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.234551][ T10] netlink_unicast+0x449/0x710 [ 1549.234551][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.234551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.234551][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.234551][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.234551][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.234551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.234551][ T10] [ 1549.236274][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1549.236539][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1549.236539][ T10] netdev_get_by_index+0x5e/0x80 [ 1549.236539][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1549.236539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1549.236539][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1549.236539][ T10] ipv6_add_addr+0x411/0x2000 [ 1549.236539][ T10] inet6_addr_add+0x30e/0xa40 [ 1549.236539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.236539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.236539][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.236539][ T10] netlink_unicast+0x449/0x710 [ 1549.236539][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.236539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.236539][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.236539][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.236539][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.236539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.236539][ T10] [ 1549.238679][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1549.238679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1549.238679][ T10] ipv6_find_idev+0x102/0x170 [ 1549.238679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.238679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.238679][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.238679][ T10] netlink_unicast+0x449/0x710 [ 1549.238679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.238679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.238679][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.238679][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.238679][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.238679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.238679][ T10] [ 1549.240478][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1549.240478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1549.240478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1549.240478][ T10] ipv6_find_idev+0x102/0x170 [ 1549.240478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.240478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.240478][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.240478][ T10] netlink_unicast+0x449/0x710 [ 1549.240478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.240478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.240478][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.240478][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.240478][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.240478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.240478][ T10] [ 1549.242436][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1549.242706][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1549.242706][ T10] netdev_get_by_index+0x5e/0x80 [ 1549.242706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1549.242706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1549.242706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1549.242706][ T10] ipv6_add_addr+0x411/0x2000 [ 1549.242706][ T10] inet6_addr_add+0x30e/0xa40 [ 1549.242706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.242706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.242706][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.242706][ T10] netlink_unicast+0x449/0x710 [ 1549.242706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.242706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.242706][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.242706][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.242706][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.242706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.242706][ T10] [ 1549.244864][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1549.244864][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1549.244864][ T10] ipv6_find_idev+0x102/0x170 [ 1549.244864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.244864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.244864][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.244864][ T10] netlink_unicast+0x449/0x710 [ 1549.244864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.244864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.244864][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.244864][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.244864][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.244864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.244864][ T10] [ 1549.246544][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1549.246544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1549.246544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1549.246544][ T10] ipv6_find_idev+0x102/0x170 [ 1549.246544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.246544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.246544][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.246544][ T10] netlink_unicast+0x449/0x710 [ 1549.246544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.246544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.246544][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.246544][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.246544][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.246544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.246544][ T10] [ 1549.248426][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1549.248692][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1549.248692][ T10] netdev_get_by_index+0x5e/0x80 [ 1549.248692][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1549.248692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1549.248692][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1549.248692][ T10] ipv6_add_addr+0x411/0x2000 [ 1549.248692][ T10] inet6_addr_add+0x30e/0xa40 [ 1549.248692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1549.248692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.248692][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.248692][ T10] netlink_unicast+0x449/0x710 [ 1549.248692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.248692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.248692][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.248692][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.248692][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.248692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.248692][ T10] [ 1549.250969][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1549.250969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1549.250969][ T10] ipv6_find_idev+0x102/0x170 [ 1549.250969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.250969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.250969][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.250969][ T10] netlink_unicast+0x449/0x710 [ 1549.250969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.250969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.250969][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.250969][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.250969][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.250969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.250969][ T10] [ 1549.252710][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1549.252710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1549.252710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1549.252710][ T10] ipv6_find_idev+0x102/0x170 [ 1549.252710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1549.252710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1549.252710][ T10] netlink_rcv_skb+0x130/0x360 [ 1549.252710][ T10] netlink_unicast+0x449/0x710 [ 1549.252710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1549.252710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1549.252710][ T10] ___sys_sendmsg+0xee/0x170 [ 1549.252710][ T10] __sys_sendmsg+0xcd/0x170 [ 1549.252710][ T10] do_syscall_64+0xc6/0x1e0 [ 1549.252710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1549.252710][ T10] [ 1559.504227][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1559.504646][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1559.504646][ T10] netdev_get_by_index+0x5e/0x80 [ 1559.504646][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1559.504646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1559.504646][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1559.504646][ T10] ipv6_add_addr+0x411/0x2000 [ 1559.504646][ T10] inet6_addr_add+0x30e/0xa40 [ 1559.504646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.504646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.504646][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.504646][ T10] netlink_unicast+0x449/0x710 [ 1559.504646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.504646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.504646][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.504646][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.504646][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.504646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.504646][ T10] [ 1559.506637][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1559.506637][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1559.506637][ T10] ipv6_find_idev+0x102/0x170 [ 1559.506637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.506637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.506637][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.506637][ T10] netlink_unicast+0x449/0x710 [ 1559.506637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.506637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.506637][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.506637][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.506637][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.506637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.506637][ T10] [ 1559.508164][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1559.508164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1559.508164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1559.508164][ T10] ipv6_find_idev+0x102/0x170 [ 1559.508164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.508164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.508164][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.508164][ T10] netlink_unicast+0x449/0x710 [ 1559.508164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.508164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.508164][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.508164][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.508164][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.508164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.508164][ T10] [ 1559.509871][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1559.510172][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1559.510172][ T10] netdev_get_by_index+0x5e/0x80 [ 1559.510172][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1559.510172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1559.510172][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1559.510172][ T10] ipv6_add_addr+0x411/0x2000 [ 1559.510172][ T10] inet6_addr_add+0x30e/0xa40 [ 1559.510172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.510172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.510172][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.510172][ T10] netlink_unicast+0x449/0x710 [ 1559.510172][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.510172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.510172][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.510172][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.510172][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.510172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.510172][ T10] [ 1559.512147][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1559.512147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1559.512147][ T10] ipv6_find_idev+0x102/0x170 [ 1559.512147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.512147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.512147][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.512147][ T10] netlink_unicast+0x449/0x710 [ 1559.512147][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.512147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.512147][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.512147][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.512147][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.512147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.512147][ T10] [ 1559.513656][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1559.513656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1559.513656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1559.513656][ T10] ipv6_find_idev+0x102/0x170 [ 1559.513656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.513656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.513656][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.513656][ T10] netlink_unicast+0x449/0x710 [ 1559.513656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.513656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.513656][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.513656][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.513656][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.513656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.513656][ T10] [ 1559.515309][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1559.515575][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1559.515575][ T10] netdev_get_by_index+0x5e/0x80 [ 1559.515575][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1559.515575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1559.515575][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1559.515575][ T10] ipv6_add_addr+0x411/0x2000 [ 1559.515575][ T10] inet6_addr_add+0x30e/0xa40 [ 1559.515575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.515575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.515575][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.515575][ T10] netlink_unicast+0x449/0x710 [ 1559.515575][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.515575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.515575][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.515575][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.515575][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.515575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.515575][ T10] [ 1559.517600][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1559.517600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1559.517600][ T10] ipv6_find_idev+0x102/0x170 [ 1559.517600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.517600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.517600][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.517600][ T10] netlink_unicast+0x449/0x710 [ 1559.517600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.517600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.517600][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.517600][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.517600][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.517600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.517600][ T10] [ 1559.519121][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1559.519121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1559.519121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1559.519121][ T10] ipv6_find_idev+0x102/0x170 [ 1559.519121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.519121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.519121][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.519121][ T10] netlink_unicast+0x449/0x710 [ 1559.519121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.519121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.519121][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.519121][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.519121][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.519121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.519121][ T10] [ 1559.520785][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1559.521044][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1559.521044][ T10] netdev_get_by_index+0x5e/0x80 [ 1559.521044][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1559.521044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1559.521044][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1559.521044][ T10] ipv6_add_addr+0x411/0x2000 [ 1559.521044][ T10] inet6_addr_add+0x30e/0xa40 [ 1559.521044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.521044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.521044][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.521044][ T10] netlink_unicast+0x449/0x710 [ 1559.521044][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.521044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.521044][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.521044][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.521044][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.521044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.521044][ T10] [ 1559.523008][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1559.523008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1559.523008][ T10] ipv6_find_idev+0x102/0x170 [ 1559.523008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.523008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.523008][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.523008][ T10] netlink_unicast+0x449/0x710 [ 1559.523008][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.523008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.523008][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.523008][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.523008][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.523008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.523008][ T10] [ 1559.524536][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1559.524536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1559.524536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1559.524536][ T10] ipv6_find_idev+0x102/0x170 [ 1559.524536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.524536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.524536][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.524536][ T10] netlink_unicast+0x449/0x710 [ 1559.524536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.524536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.524536][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.524536][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.524536][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.524536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.524536][ T10] [ 1559.526595][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1559.526858][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1559.526858][ T10] netdev_get_by_index+0x5e/0x80 [ 1559.526858][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1559.526858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1559.526858][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1559.526858][ T10] ipv6_add_addr+0x411/0x2000 [ 1559.526858][ T10] inet6_addr_add+0x30e/0xa40 [ 1559.526858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.526858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.526858][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.526858][ T10] netlink_unicast+0x449/0x710 [ 1559.526858][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.526858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.526858][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.526858][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.526858][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.526858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.526858][ T10] [ 1559.528877][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1559.528877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1559.528877][ T10] ipv6_find_idev+0x102/0x170 [ 1559.528877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.528877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.528877][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.528877][ T10] netlink_unicast+0x449/0x710 [ 1559.528877][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.528877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.528877][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.528877][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.528877][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.528877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.528877][ T10] [ 1559.531264][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1559.531264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1559.531264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1559.531264][ T10] ipv6_find_idev+0x102/0x170 [ 1559.531264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.531264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.531264][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.531264][ T10] netlink_unicast+0x449/0x710 [ 1559.531264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.531264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.531264][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.531264][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.531264][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.531264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.531264][ T10] [ 1559.534174][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1559.534655][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1559.534655][ T10] netdev_get_by_index+0x5e/0x80 [ 1559.534655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1559.534655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1559.534655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1559.534655][ T10] ipv6_add_addr+0x411/0x2000 [ 1559.534655][ T10] inet6_addr_add+0x30e/0xa40 [ 1559.534655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.534655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.534655][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.534655][ T10] netlink_unicast+0x449/0x710 [ 1559.534655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.534655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.534655][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.534655][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.534655][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.534655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.534655][ T10] [ 1559.538049][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1559.538049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1559.538049][ T10] ipv6_find_idev+0x102/0x170 [ 1559.538049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.538049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.538049][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.538049][ T10] netlink_unicast+0x449/0x710 [ 1559.538049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.538049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.538049][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.538049][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.538049][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.538049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.538049][ T10] [ 1559.540802][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1559.540802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1559.540802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1559.540802][ T10] ipv6_find_idev+0x102/0x170 [ 1559.540802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.540802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.540802][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.540802][ T10] netlink_unicast+0x449/0x710 [ 1559.540802][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.540802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.540802][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.540802][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.540802][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.540802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.540802][ T10] [ 1559.543879][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1559.544480][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1559.544480][ T10] netdev_get_by_index+0x5e/0x80 [ 1559.544480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1559.544480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1559.544480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1559.544480][ T10] ipv6_add_addr+0x411/0x2000 [ 1559.544480][ T10] inet6_addr_add+0x30e/0xa40 [ 1559.544480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.544480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.544480][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.544480][ T10] netlink_unicast+0x449/0x710 [ 1559.544480][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.544480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.544480][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.544480][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.544480][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.544480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.544480][ T10] [ 1559.547909][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1559.547909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1559.547909][ T10] ipv6_find_idev+0x102/0x170 [ 1559.547909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.547909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.547909][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.547909][ T10] netlink_unicast+0x449/0x710 [ 1559.547909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.547909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.547909][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.547909][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.547909][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.547909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.547909][ T10] [ 1559.550481][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1559.550481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1559.550481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1559.550481][ T10] ipv6_find_idev+0x102/0x170 [ 1559.550481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.550481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.550481][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.550481][ T10] netlink_unicast+0x449/0x710 [ 1559.550481][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.550481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.550481][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.550481][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.550481][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.550481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.550481][ T10] [ 1559.553499][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1559.553934][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1559.553934][ T10] netdev_get_by_index+0x5e/0x80 [ 1559.553934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1559.553934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1559.553934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1559.553934][ T10] ipv6_add_addr+0x411/0x2000 [ 1559.553934][ T10] inet6_addr_add+0x30e/0xa40 [ 1559.553934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1559.553934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.553934][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.553934][ T10] netlink_unicast+0x449/0x710 [ 1559.553934][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.553934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.553934][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.553934][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.553934][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.553934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.553934][ T10] [ 1559.557307][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1559.557307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1559.557307][ T10] ipv6_find_idev+0x102/0x170 [ 1559.557307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.557307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.557307][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.557307][ T10] netlink_unicast+0x449/0x710 [ 1559.557307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.557307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.557307][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.557307][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.557307][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.557307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.557307][ T10] [ 1559.560028][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1559.560028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1559.560028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1559.560028][ T10] ipv6_find_idev+0x102/0x170 [ 1559.560028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1559.560028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1559.560028][ T10] netlink_rcv_skb+0x130/0x360 [ 1559.560028][ T10] netlink_unicast+0x449/0x710 [ 1559.560028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1559.560028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1559.560028][ T10] ___sys_sendmsg+0xee/0x170 [ 1559.560028][ T10] __sys_sendmsg+0xcd/0x170 [ 1559.560028][ T10] do_syscall_64+0xc6/0x1e0 [ 1559.560028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1559.560028][ T10] [ 1569.776199][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1569.776522][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1569.776522][ T10] netdev_get_by_index+0x5e/0x80 [ 1569.776522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1569.776522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1569.776522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1569.776522][ T10] ipv6_add_addr+0x411/0x2000 [ 1569.776522][ T10] inet6_addr_add+0x30e/0xa40 [ 1569.776522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1569.776522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.776522][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.776522][ T10] netlink_unicast+0x449/0x710 [ 1569.776522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.776522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.776522][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.776522][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.776522][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.776522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.776522][ T10] [ 1569.778638][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1569.778638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1569.778638][ T10] ipv6_find_idev+0x102/0x170 [ 1569.778638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.778638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.778638][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.778638][ T10] netlink_unicast+0x449/0x710 [ 1569.778638][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.778638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.778638][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.778638][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.778638][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.778638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.778638][ T10] [ 1569.780283][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1569.780283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1569.780283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1569.780283][ T10] ipv6_find_idev+0x102/0x170 [ 1569.780283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.780283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.780283][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.780283][ T10] netlink_unicast+0x449/0x710 [ 1569.780283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.780283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.780283][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.780283][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.780283][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.780283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.780283][ T10] [ 1569.782595][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1569.782897][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1569.782897][ T10] netdev_get_by_index+0x5e/0x80 [ 1569.782897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1569.782897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1569.782897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1569.782897][ T10] ipv6_add_addr+0x411/0x2000 [ 1569.782897][ T10] inet6_addr_add+0x30e/0xa40 [ 1569.782897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1569.782897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.782897][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.782897][ T10] netlink_unicast+0x449/0x710 [ 1569.782897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.782897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.782897][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.782897][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.782897][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.782897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.782897][ T10] [ 1569.785011][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1569.785011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1569.785011][ T10] ipv6_find_idev+0x102/0x170 [ 1569.785011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.785011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.785011][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.785011][ T10] netlink_unicast+0x449/0x710 [ 1569.785011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.785011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.785011][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.785011][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.785011][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.785011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.785011][ T10] [ 1569.786695][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1569.786695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1569.786695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1569.786695][ T10] ipv6_find_idev+0x102/0x170 [ 1569.786695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.786695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.786695][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.786695][ T10] netlink_unicast+0x449/0x710 [ 1569.786695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.786695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.786695][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.786695][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.786695][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.786695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.786695][ T10] [ 1569.788545][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1569.788834][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1569.788834][ T10] netdev_get_by_index+0x5e/0x80 [ 1569.788834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1569.788834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1569.788834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1569.788834][ T10] ipv6_add_addr+0x411/0x2000 [ 1569.788834][ T10] inet6_addr_add+0x30e/0xa40 [ 1569.788834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1569.788834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.788834][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.788834][ T10] netlink_unicast+0x449/0x710 [ 1569.788834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.788834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.788834][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.788834][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.788834][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.788834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.788834][ T10] [ 1569.790954][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1569.790954][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1569.790954][ T10] ipv6_find_idev+0x102/0x170 [ 1569.790954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.790954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.790954][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.790954][ T10] netlink_unicast+0x449/0x710 [ 1569.790954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.790954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.790954][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.790954][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.790954][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.790954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.790954][ T10] [ 1569.792613][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1569.792613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1569.792613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1569.792613][ T10] ipv6_find_idev+0x102/0x170 [ 1569.792613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.792613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.792613][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.792613][ T10] netlink_unicast+0x449/0x710 [ 1569.792613][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.792613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.792613][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.792613][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.792613][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.792613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.792613][ T10] [ 1569.794588][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1569.794861][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1569.794861][ T10] netdev_get_by_index+0x5e/0x80 [ 1569.794861][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1569.794861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1569.794861][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1569.794861][ T10] ipv6_add_addr+0x411/0x2000 [ 1569.794861][ T10] inet6_addr_add+0x30e/0xa40 [ 1569.794861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1569.794861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.794861][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.794861][ T10] netlink_unicast+0x449/0x710 [ 1569.794861][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.794861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.794861][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.794861][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.794861][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.794861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.794861][ T10] [ 1569.797074][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1569.797074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1569.797074][ T10] ipv6_find_idev+0x102/0x170 [ 1569.797074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.797074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.797074][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.797074][ T10] netlink_unicast+0x449/0x710 [ 1569.797074][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.797074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.797074][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.797074][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.797074][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.797074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.797074][ T10] [ 1569.798946][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1569.798946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1569.798946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1569.798946][ T10] ipv6_find_idev+0x102/0x170 [ 1569.798946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.798946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.798946][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.798946][ T10] netlink_unicast+0x449/0x710 [ 1569.798946][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.798946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.798946][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.798946][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.798946][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.798946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.798946][ T10] [ 1569.800993][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1569.801329][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1569.801329][ T10] netdev_get_by_index+0x5e/0x80 [ 1569.801329][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1569.801329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1569.801329][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1569.801329][ T10] ipv6_add_addr+0x411/0x2000 [ 1569.801329][ T10] inet6_addr_add+0x30e/0xa40 [ 1569.801329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1569.801329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.801329][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.801329][ T10] netlink_unicast+0x449/0x710 [ 1569.801329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.801329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.801329][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.801329][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.801329][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.801329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.801329][ T10] [ 1569.804482][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1569.804482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1569.804482][ T10] ipv6_find_idev+0x102/0x170 [ 1569.804482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.804482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.804482][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.804482][ T10] netlink_unicast+0x449/0x710 [ 1569.804482][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.804482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.804482][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.804482][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.804482][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.804482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.804482][ T10] [ 1569.807420][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1569.807420][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1569.807420][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1569.807420][ T10] ipv6_find_idev+0x102/0x170 [ 1569.807420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.807420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.807420][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.807420][ T10] netlink_unicast+0x449/0x710 [ 1569.807420][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.807420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.807420][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.807420][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.807420][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.807420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.807420][ T10] [ 1569.810399][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1569.810864][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1569.810864][ T10] netdev_get_by_index+0x5e/0x80 [ 1569.810864][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1569.810864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1569.810864][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1569.810864][ T10] ipv6_add_addr+0x411/0x2000 [ 1569.810864][ T10] inet6_addr_add+0x30e/0xa40 [ 1569.810864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1569.810864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.810864][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.810864][ T10] netlink_unicast+0x449/0x710 [ 1569.810864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.810864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.810864][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.810864][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.810864][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.810864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.810864][ T10] [ 1569.814349][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1569.814349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1569.814349][ T10] ipv6_find_idev+0x102/0x170 [ 1569.814349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.814349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.814349][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.814349][ T10] netlink_unicast+0x449/0x710 [ 1569.814349][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.814349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.814349][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.814349][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.814349][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.814349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.814349][ T10] [ 1569.817001][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1569.817001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1569.817001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1569.817001][ T10] ipv6_find_idev+0x102/0x170 [ 1569.817001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.817001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.817001][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.817001][ T10] netlink_unicast+0x449/0x710 [ 1569.817001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.817001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.817001][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.817001][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.817001][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.817001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.817001][ T10] [ 1569.819982][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1569.820582][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1569.820582][ T10] netdev_get_by_index+0x5e/0x80 [ 1569.820582][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1569.820582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1569.820582][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1569.820582][ T10] ipv6_add_addr+0x411/0x2000 [ 1569.820582][ T10] inet6_addr_add+0x30e/0xa40 [ 1569.820582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1569.820582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.820582][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.820582][ T10] netlink_unicast+0x449/0x710 [ 1569.820582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.820582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.820582][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.820582][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.820582][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.820582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.820582][ T10] [ 1569.824527][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1569.824527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1569.824527][ T10] ipv6_find_idev+0x102/0x170 [ 1569.824527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.824527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.824527][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.824527][ T10] netlink_unicast+0x449/0x710 [ 1569.824527][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.824527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.824527][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.824527][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.824527][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.824527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.824527][ T10] [ 1569.827494][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1569.827494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1569.827494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1569.827494][ T10] ipv6_find_idev+0x102/0x170 [ 1569.827494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.827494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.827494][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.827494][ T10] netlink_unicast+0x449/0x710 [ 1569.827494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.827494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.827494][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.827494][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.827494][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.827494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.827494][ T10] [ 1569.830632][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1569.831088][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1569.831088][ T10] netdev_get_by_index+0x5e/0x80 [ 1569.831088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1569.831088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1569.831088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1569.831088][ T10] ipv6_add_addr+0x411/0x2000 [ 1569.831088][ T10] inet6_addr_add+0x30e/0xa40 [ 1569.831088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1569.831088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.831088][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.831088][ T10] netlink_unicast+0x449/0x710 [ 1569.831088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.831088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.831088][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.831088][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.831088][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.831088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.831088][ T10] [ 1569.834651][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1569.834651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1569.834651][ T10] ipv6_find_idev+0x102/0x170 [ 1569.834651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.834651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.834651][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.834651][ T10] netlink_unicast+0x449/0x710 [ 1569.834651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.834651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.834651][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.834651][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.834651][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.834651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.834651][ T10] [ 1569.837346][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1569.837346][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1569.837346][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1569.837346][ T10] ipv6_find_idev+0x102/0x170 [ 1569.837346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1569.837346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1569.837346][ T10] netlink_rcv_skb+0x130/0x360 [ 1569.837346][ T10] netlink_unicast+0x449/0x710 [ 1569.837346][ T10] netlink_sendmsg+0x723/0xbe0 [ 1569.837346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1569.837346][ T10] ___sys_sendmsg+0xee/0x170 [ 1569.837346][ T10] __sys_sendmsg+0xcd/0x170 [ 1569.837346][ T10] do_syscall_64+0xc6/0x1e0 [ 1569.837346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1569.837346][ T10] [ 1579.992333][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1579.992890][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1579.992890][ T10] netdev_get_by_index+0x5e/0x80 [ 1579.992890][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1579.992890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1579.992890][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1579.992890][ T10] ipv6_add_addr+0x411/0x2000 [ 1579.992890][ T10] inet6_addr_add+0x30e/0xa40 [ 1579.992890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1579.992890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1579.992890][ T10] netlink_rcv_skb+0x130/0x360 [ 1579.992890][ T10] netlink_unicast+0x449/0x710 [ 1579.992890][ T10] netlink_sendmsg+0x723/0xbe0 [ 1579.992890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1579.992890][ T10] ___sys_sendmsg+0xee/0x170 [ 1579.992890][ T10] __sys_sendmsg+0xcd/0x170 [ 1579.992890][ T10] do_syscall_64+0xc6/0x1e0 [ 1579.992890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1579.992890][ T10] [ 1579.995215][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1579.995215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1579.995215][ T10] ipv6_find_idev+0x102/0x170 [ 1579.995215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1579.995215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1579.995215][ T10] netlink_rcv_skb+0x130/0x360 [ 1579.995215][ T10] netlink_unicast+0x449/0x710 [ 1579.995215][ T10] netlink_sendmsg+0x723/0xbe0 [ 1579.995215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1579.995215][ T10] ___sys_sendmsg+0xee/0x170 [ 1579.995215][ T10] __sys_sendmsg+0xcd/0x170 [ 1579.995215][ T10] do_syscall_64+0xc6/0x1e0 [ 1579.995215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1579.995215][ T10] [ 1579.996975][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1579.996975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1579.996975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1579.996975][ T10] ipv6_find_idev+0x102/0x170 [ 1579.996975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1579.996975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1579.996975][ T10] netlink_rcv_skb+0x130/0x360 [ 1579.996975][ T10] netlink_unicast+0x449/0x710 [ 1579.996975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1579.996975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1579.996975][ T10] ___sys_sendmsg+0xee/0x170 [ 1579.996975][ T10] __sys_sendmsg+0xcd/0x170 [ 1579.996975][ T10] do_syscall_64+0xc6/0x1e0 [ 1579.996975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1579.996975][ T10] [ 1579.998960][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1579.999297][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1579.999297][ T10] netdev_get_by_index+0x5e/0x80 [ 1579.999297][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1579.999297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1579.999297][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1579.999297][ T10] ipv6_add_addr+0x411/0x2000 [ 1579.999297][ T10] inet6_addr_add+0x30e/0xa40 [ 1579.999297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1579.999297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1579.999297][ T10] netlink_rcv_skb+0x130/0x360 [ 1579.999297][ T10] netlink_unicast+0x449/0x710 [ 1579.999297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1579.999297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1579.999297][ T10] ___sys_sendmsg+0xee/0x170 [ 1579.999297][ T10] __sys_sendmsg+0xcd/0x170 [ 1579.999297][ T10] do_syscall_64+0xc6/0x1e0 [ 1579.999297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1579.999297][ T10] [ 1580.001578][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1580.001578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1580.001578][ T10] ipv6_find_idev+0x102/0x170 [ 1580.001578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.001578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.001578][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.001578][ T10] netlink_unicast+0x449/0x710 [ 1580.001578][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.001578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.001578][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.001578][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.001578][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.001578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.001578][ T10] [ 1580.003351][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1580.003351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1580.003351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1580.003351][ T10] ipv6_find_idev+0x102/0x170 [ 1580.003351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.003351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.003351][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.003351][ T10] netlink_unicast+0x449/0x710 [ 1580.003351][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.003351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.003351][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.003351][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.003351][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.003351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.003351][ T10] [ 1580.005320][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1580.005636][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1580.005636][ T10] netdev_get_by_index+0x5e/0x80 [ 1580.005636][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1580.005636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1580.005636][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1580.005636][ T10] ipv6_add_addr+0x411/0x2000 [ 1580.005636][ T10] inet6_addr_add+0x30e/0xa40 [ 1580.005636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.005636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.005636][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.005636][ T10] netlink_unicast+0x449/0x710 [ 1580.005636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.005636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.005636][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.005636][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.005636][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.005636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.005636][ T10] [ 1580.007966][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1580.007966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1580.007966][ T10] ipv6_find_idev+0x102/0x170 [ 1580.007966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.007966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.007966][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.007966][ T10] netlink_unicast+0x449/0x710 [ 1580.007966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.007966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.007966][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.007966][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.007966][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.007966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.007966][ T10] [ 1580.009765][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1580.009765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1580.009765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1580.009765][ T10] ipv6_find_idev+0x102/0x170 [ 1580.009765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.009765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.009765][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.009765][ T10] netlink_unicast+0x449/0x710 [ 1580.009765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.009765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.009765][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.009765][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.009765][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.009765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.009765][ T10] [ 1580.011646][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1580.011975][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1580.011975][ T10] netdev_get_by_index+0x5e/0x80 [ 1580.011975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1580.011975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1580.011975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1580.011975][ T10] ipv6_add_addr+0x411/0x2000 [ 1580.011975][ T10] inet6_addr_add+0x30e/0xa40 [ 1580.011975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.011975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.011975][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.011975][ T10] netlink_unicast+0x449/0x710 [ 1580.011975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.011975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.011975][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.011975][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.011975][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.011975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.011975][ T10] [ 1580.014247][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1580.014247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1580.014247][ T10] ipv6_find_idev+0x102/0x170 [ 1580.014247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.014247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.014247][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.014247][ T10] netlink_unicast+0x449/0x710 [ 1580.014247][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.014247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.014247][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.014247][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.014247][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.014247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.014247][ T10] [ 1580.015994][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1580.015994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1580.015994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1580.015994][ T10] ipv6_find_idev+0x102/0x170 [ 1580.015994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.015994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.015994][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.015994][ T10] netlink_unicast+0x449/0x710 [ 1580.015994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.015994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.015994][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.015994][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.015994][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.015994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.015994][ T10] [ 1580.018323][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1580.018664][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1580.018664][ T10] netdev_get_by_index+0x5e/0x80 [ 1580.018664][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1580.018664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1580.018664][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1580.018664][ T10] ipv6_add_addr+0x411/0x2000 [ 1580.018664][ T10] inet6_addr_add+0x30e/0xa40 [ 1580.018664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.018664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.018664][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.018664][ T10] netlink_unicast+0x449/0x710 [ 1580.018664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.018664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.018664][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.018664][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.018664][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.018664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.018664][ T10] [ 1580.020909][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1580.020909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1580.020909][ T10] ipv6_find_idev+0x102/0x170 [ 1580.020909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.020909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.020909][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.020909][ T10] netlink_unicast+0x449/0x710 [ 1580.020909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.020909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.020909][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.020909][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.020909][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.020909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.020909][ T10] [ 1580.022601][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1580.022601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1580.022601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1580.022601][ T10] ipv6_find_idev+0x102/0x170 [ 1580.022601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.022601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.022601][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.022601][ T10] netlink_unicast+0x449/0x710 [ 1580.022601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.022601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.022601][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.022601][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.022601][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.022601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.022601][ T10] [ 1580.024510][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1580.024851][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1580.024851][ T10] netdev_get_by_index+0x5e/0x80 [ 1580.024851][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1580.024851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1580.024851][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1580.024851][ T10] ipv6_add_addr+0x411/0x2000 [ 1580.024851][ T10] inet6_addr_add+0x30e/0xa40 [ 1580.024851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.024851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.024851][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.024851][ T10] netlink_unicast+0x449/0x710 [ 1580.024851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.024851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.024851][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.024851][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.024851][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.024851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.024851][ T10] [ 1580.027162][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1580.027162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1580.027162][ T10] ipv6_find_idev+0x102/0x170 [ 1580.027162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.027162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.027162][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.027162][ T10] netlink_unicast+0x449/0x710 [ 1580.027162][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.027162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.027162][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.027162][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.027162][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.027162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.027162][ T10] [ 1580.029067][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1580.029067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1580.029067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1580.029067][ T10] ipv6_find_idev+0x102/0x170 [ 1580.029067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.029067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.029067][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.029067][ T10] netlink_unicast+0x449/0x710 [ 1580.029067][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.029067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.029067][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.029067][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.029067][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.029067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.029067][ T10] [ 1580.031286][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1580.031627][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1580.031627][ T10] netdev_get_by_index+0x5e/0x80 [ 1580.031627][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1580.031627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1580.031627][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1580.031627][ T10] ipv6_add_addr+0x411/0x2000 [ 1580.031627][ T10] inet6_addr_add+0x30e/0xa40 [ 1580.031627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.031627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.031627][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.031627][ T10] netlink_unicast+0x449/0x710 [ 1580.031627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.031627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.031627][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.031627][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.031627][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.031627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.031627][ T10] [ 1580.034168][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1580.034168][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1580.034168][ T10] ipv6_find_idev+0x102/0x170 [ 1580.034168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.034168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.034168][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.034168][ T10] netlink_unicast+0x449/0x710 [ 1580.034168][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.034168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.034168][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.034168][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.034168][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.034168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.034168][ T10] [ 1580.036082][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1580.036082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1580.036082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1580.036082][ T10] ipv6_find_idev+0x102/0x170 [ 1580.036082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.036082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.036082][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.036082][ T10] netlink_unicast+0x449/0x710 [ 1580.036082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.036082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.036082][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.036082][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.036082][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.036082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.036082][ T10] [ 1580.038208][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1580.038546][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1580.038546][ T10] netdev_get_by_index+0x5e/0x80 [ 1580.038546][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1580.038546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1580.038546][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1580.038546][ T10] ipv6_add_addr+0x411/0x2000 [ 1580.038546][ T10] inet6_addr_add+0x30e/0xa40 [ 1580.038546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1580.038546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.038546][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.038546][ T10] netlink_unicast+0x449/0x710 [ 1580.038546][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.038546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.038546][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.038546][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.038546][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.038546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.038546][ T10] [ 1580.040968][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1580.040968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1580.040968][ T10] ipv6_find_idev+0x102/0x170 [ 1580.040968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.040968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.040968][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.040968][ T10] netlink_unicast+0x449/0x710 [ 1580.040968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.040968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.040968][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.040968][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.040968][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.040968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.040968][ T10] [ 1580.042870][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1580.042870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1580.042870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1580.042870][ T10] ipv6_find_idev+0x102/0x170 [ 1580.042870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1580.042870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1580.042870][ T10] netlink_rcv_skb+0x130/0x360 [ 1580.042870][ T10] netlink_unicast+0x449/0x710 [ 1580.042870][ T10] netlink_sendmsg+0x723/0xbe0 [ 1580.042870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1580.042870][ T10] ___sys_sendmsg+0xee/0x170 [ 1580.042870][ T10] __sys_sendmsg+0xcd/0x170 [ 1580.042870][ T10] do_syscall_64+0xc6/0x1e0 [ 1580.042870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1580.042870][ T10] [ 1590.120832][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1590.121246][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1590.121246][ T10] netdev_get_by_index+0x5e/0x80 [ 1590.121246][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1590.121246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1590.121246][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1590.121246][ T10] ipv6_add_addr+0x411/0x2000 [ 1590.121246][ T10] inet6_addr_add+0x30e/0xa40 [ 1590.121246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.121246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.121246][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.121246][ T10] netlink_unicast+0x449/0x710 [ 1590.121246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.121246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.121246][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.121246][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.121246][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.121246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.121246][ T10] [ 1590.123548][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1590.123548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1590.123548][ T10] ipv6_find_idev+0x102/0x170 [ 1590.123548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.123548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.123548][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.123548][ T10] netlink_unicast+0x449/0x710 [ 1590.123548][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.123548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.123548][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.123548][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.123548][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.123548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.123548][ T10] [ 1590.125334][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1590.125334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1590.125334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1590.125334][ T10] ipv6_find_idev+0x102/0x170 [ 1590.125334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.125334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.125334][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.125334][ T10] netlink_unicast+0x449/0x710 [ 1590.125334][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.125334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.125334][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.125334][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.125334][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.125334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.125334][ T10] [ 1590.127296][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1590.127672][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1590.127672][ T10] netdev_get_by_index+0x5e/0x80 [ 1590.127672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1590.127672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1590.127672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1590.127672][ T10] ipv6_add_addr+0x411/0x2000 [ 1590.127672][ T10] inet6_addr_add+0x30e/0xa40 [ 1590.127672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.127672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.127672][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.127672][ T10] netlink_unicast+0x449/0x710 [ 1590.127672][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.127672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.127672][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.127672][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.127672][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.127672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.127672][ T10] [ 1590.129984][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1590.129984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1590.129984][ T10] ipv6_find_idev+0x102/0x170 [ 1590.129984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.129984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.129984][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.129984][ T10] netlink_unicast+0x449/0x710 [ 1590.129984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.129984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.129984][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.129984][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.129984][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.129984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.129984][ T10] [ 1590.131760][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1590.131760][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1590.131760][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1590.131760][ T10] ipv6_find_idev+0x102/0x170 [ 1590.131760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.131760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.131760][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.131760][ T10] netlink_unicast+0x449/0x710 [ 1590.131760][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.131760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.131760][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.131760][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.131760][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.131760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.131760][ T10] [ 1590.133727][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1590.134099][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1590.134099][ T10] netdev_get_by_index+0x5e/0x80 [ 1590.134099][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1590.134099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1590.134099][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1590.134099][ T10] ipv6_add_addr+0x411/0x2000 [ 1590.134099][ T10] inet6_addr_add+0x30e/0xa40 [ 1590.134099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.134099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.134099][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.134099][ T10] netlink_unicast+0x449/0x710 [ 1590.134099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.134099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.134099][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.134099][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.134099][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.134099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.134099][ T10] [ 1590.136393][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1590.136393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1590.136393][ T10] ipv6_find_idev+0x102/0x170 [ 1590.136393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.136393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.136393][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.136393][ T10] netlink_unicast+0x449/0x710 [ 1590.136393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.136393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.136393][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.136393][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.136393][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.136393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.136393][ T10] [ 1590.138151][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1590.138151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1590.138151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1590.138151][ T10] ipv6_find_idev+0x102/0x170 [ 1590.138151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.138151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.138151][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.138151][ T10] netlink_unicast+0x449/0x710 [ 1590.138151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.138151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.138151][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.138151][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.138151][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.138151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.138151][ T10] [ 1590.140134][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1590.140497][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1590.140497][ T10] netdev_get_by_index+0x5e/0x80 [ 1590.140497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1590.140497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1590.140497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1590.140497][ T10] ipv6_add_addr+0x411/0x2000 [ 1590.140497][ T10] inet6_addr_add+0x30e/0xa40 [ 1590.140497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.140497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.140497][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.140497][ T10] netlink_unicast+0x449/0x710 [ 1590.140497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.140497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.140497][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.140497][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.140497][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.140497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.140497][ T10] [ 1590.142771][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1590.142771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1590.142771][ T10] ipv6_find_idev+0x102/0x170 [ 1590.142771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.142771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.142771][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.142771][ T10] netlink_unicast+0x449/0x710 [ 1590.142771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.142771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.142771][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.142771][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.142771][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.142771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.142771][ T10] [ 1590.144502][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1590.144502][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1590.144502][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1590.144502][ T10] ipv6_find_idev+0x102/0x170 [ 1590.144502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.144502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.144502][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.144502][ T10] netlink_unicast+0x449/0x710 [ 1590.144502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.144502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.144502][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.144502][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.144502][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.144502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.144502][ T10] [ 1590.146529][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1590.146894][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1590.146894][ T10] netdev_get_by_index+0x5e/0x80 [ 1590.146894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1590.146894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1590.146894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1590.146894][ T10] ipv6_add_addr+0x411/0x2000 [ 1590.146894][ T10] inet6_addr_add+0x30e/0xa40 [ 1590.146894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.146894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.146894][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.146894][ T10] netlink_unicast+0x449/0x710 [ 1590.146894][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.146894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.146894][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.146894][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.146894][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.146894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.146894][ T10] [ 1590.149390][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1590.149390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1590.149390][ T10] ipv6_find_idev+0x102/0x170 [ 1590.149390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.149390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.149390][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.149390][ T10] netlink_unicast+0x449/0x710 [ 1590.149390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.149390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.149390][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.149390][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.149390][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.149390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.149390][ T10] [ 1590.151377][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1590.151377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1590.151377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1590.151377][ T10] ipv6_find_idev+0x102/0x170 [ 1590.151377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.151377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.151377][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.151377][ T10] netlink_unicast+0x449/0x710 [ 1590.151377][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.151377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.151377][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.151377][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.151377][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.151377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.151377][ T10] [ 1590.153509][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1590.153877][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1590.153877][ T10] netdev_get_by_index+0x5e/0x80 [ 1590.153877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1590.153877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1590.153877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1590.153877][ T10] ipv6_add_addr+0x411/0x2000 [ 1590.153877][ T10] inet6_addr_add+0x30e/0xa40 [ 1590.153877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.153877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.153877][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.153877][ T10] netlink_unicast+0x449/0x710 [ 1590.153877][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.153877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.153877][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.153877][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.153877][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.153877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.153877][ T10] [ 1590.156153][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1590.156153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1590.156153][ T10] ipv6_find_idev+0x102/0x170 [ 1590.156153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.156153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.156153][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.156153][ T10] netlink_unicast+0x449/0x710 [ 1590.156153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.156153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.156153][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.156153][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.156153][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.156153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.156153][ T10] [ 1590.158150][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1590.158150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1590.158150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1590.158150][ T10] ipv6_find_idev+0x102/0x170 [ 1590.158150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.158150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.158150][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.158150][ T10] netlink_unicast+0x449/0x710 [ 1590.158150][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.158150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.158150][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.158150][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.158150][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.158150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.158150][ T10] [ 1590.160407][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1590.160765][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1590.160765][ T10] netdev_get_by_index+0x5e/0x80 [ 1590.160765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1590.160765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1590.160765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1590.160765][ T10] ipv6_add_addr+0x411/0x2000 [ 1590.160765][ T10] inet6_addr_add+0x30e/0xa40 [ 1590.160765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.160765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.160765][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.160765][ T10] netlink_unicast+0x449/0x710 [ 1590.160765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.160765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.160765][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.160765][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.160765][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.160765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.160765][ T10] [ 1590.163287][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1590.163287][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1590.163287][ T10] ipv6_find_idev+0x102/0x170 [ 1590.163287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.163287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.163287][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.163287][ T10] netlink_unicast+0x449/0x710 [ 1590.163287][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.163287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.163287][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.163287][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.163287][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.163287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.163287][ T10] [ 1590.165295][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1590.165295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1590.165295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1590.165295][ T10] ipv6_find_idev+0x102/0x170 [ 1590.165295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.165295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.165295][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.165295][ T10] netlink_unicast+0x449/0x710 [ 1590.165295][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.165295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.165295][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.165295][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.165295][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.165295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.165295][ T10] [ 1590.167431][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1590.167804][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1590.167804][ T10] netdev_get_by_index+0x5e/0x80 [ 1590.167804][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1590.167804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1590.167804][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1590.167804][ T10] ipv6_add_addr+0x411/0x2000 [ 1590.167804][ T10] inet6_addr_add+0x30e/0xa40 [ 1590.167804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1590.167804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.167804][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.167804][ T10] netlink_unicast+0x449/0x710 [ 1590.167804][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.167804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.167804][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.167804][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.167804][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.167804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.167804][ T10] [ 1590.170180][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1590.170180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1590.170180][ T10] ipv6_find_idev+0x102/0x170 [ 1590.170180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.170180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.170180][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.170180][ T10] netlink_unicast+0x449/0x710 [ 1590.170180][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.170180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.170180][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.170180][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.170180][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.170180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.170180][ T10] [ 1590.172238][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1590.172238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1590.172238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1590.172238][ T10] ipv6_find_idev+0x102/0x170 [ 1590.172238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1590.172238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1590.172238][ T10] netlink_rcv_skb+0x130/0x360 [ 1590.172238][ T10] netlink_unicast+0x449/0x710 [ 1590.172238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1590.172238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1590.172238][ T10] ___sys_sendmsg+0xee/0x170 [ 1590.172238][ T10] __sys_sendmsg+0xcd/0x170 [ 1590.172238][ T10] do_syscall_64+0xc6/0x1e0 [ 1590.172238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1590.172238][ T10] [ 1600.328211][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1600.328630][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1600.328630][ T10] netdev_get_by_index+0x5e/0x80 [ 1600.328630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1600.328630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1600.328630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1600.328630][ T10] ipv6_add_addr+0x411/0x2000 [ 1600.328630][ T10] inet6_addr_add+0x30e/0xa40 [ 1600.328630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1600.328630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.328630][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.328630][ T10] netlink_unicast+0x449/0x710 [ 1600.328630][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.328630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.328630][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.328630][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.328630][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.328630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.328630][ T10] [ 1600.330629][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1600.330629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1600.330629][ T10] ipv6_find_idev+0x102/0x170 [ 1600.330629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.330629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.330629][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.330629][ T10] netlink_unicast+0x449/0x710 [ 1600.330629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.330629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.330629][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.330629][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.330629][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.330629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.330629][ T10] [ 1600.332146][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1600.332146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1600.332146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1600.332146][ T10] ipv6_find_idev+0x102/0x170 [ 1600.332146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.332146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.332146][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.332146][ T10] netlink_unicast+0x449/0x710 [ 1600.332146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.332146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.332146][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.332146][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.332146][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.332146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.332146][ T10] [ 1600.333802][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1600.334066][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1600.334066][ T10] netdev_get_by_index+0x5e/0x80 [ 1600.334066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1600.334066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1600.334066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1600.334066][ T10] ipv6_add_addr+0x411/0x2000 [ 1600.334066][ T10] inet6_addr_add+0x30e/0xa40 [ 1600.334066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1600.334066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.334066][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.334066][ T10] netlink_unicast+0x449/0x710 [ 1600.334066][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.334066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.334066][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.334066][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.334066][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.334066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.334066][ T10] [ 1600.336050][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1600.336050][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1600.336050][ T10] ipv6_find_idev+0x102/0x170 [ 1600.336050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.336050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.336050][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.336050][ T10] netlink_unicast+0x449/0x710 [ 1600.336050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.336050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.336050][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.336050][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.336050][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.336050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.336050][ T10] [ 1600.337545][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1600.337545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1600.337545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1600.337545][ T10] ipv6_find_idev+0x102/0x170 [ 1600.337545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.337545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.337545][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.337545][ T10] netlink_unicast+0x449/0x710 [ 1600.337545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.337545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.337545][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.337545][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.337545][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.337545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.337545][ T10] [ 1600.339226][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1600.339497][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1600.339497][ T10] netdev_get_by_index+0x5e/0x80 [ 1600.339497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1600.339497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1600.339497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1600.339497][ T10] ipv6_add_addr+0x411/0x2000 [ 1600.339497][ T10] inet6_addr_add+0x30e/0xa40 [ 1600.339497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1600.339497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.339497][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.339497][ T10] netlink_unicast+0x449/0x710 [ 1600.339497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.339497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.339497][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.339497][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.339497][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.339497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.339497][ T10] [ 1600.341433][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1600.341433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1600.341433][ T10] ipv6_find_idev+0x102/0x170 [ 1600.341433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.341433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.341433][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.341433][ T10] netlink_unicast+0x449/0x710 [ 1600.341433][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.341433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.341433][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.341433][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.341433][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.341433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.341433][ T10] [ 1600.342958][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1600.342958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1600.342958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1600.342958][ T10] ipv6_find_idev+0x102/0x170 [ 1600.342958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.342958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.342958][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.342958][ T10] netlink_unicast+0x449/0x710 [ 1600.342958][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.342958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.342958][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.342958][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.342958][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.342958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.342958][ T10] [ 1600.344608][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1600.344864][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1600.344864][ T10] netdev_get_by_index+0x5e/0x80 [ 1600.344864][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1600.344864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1600.344864][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1600.344864][ T10] ipv6_add_addr+0x411/0x2000 [ 1600.344864][ T10] inet6_addr_add+0x30e/0xa40 [ 1600.344864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1600.344864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.344864][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.344864][ T10] netlink_unicast+0x449/0x710 [ 1600.344864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.344864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.344864][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.344864][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.344864][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.344864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.344864][ T10] [ 1600.346854][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1600.346854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1600.346854][ T10] ipv6_find_idev+0x102/0x170 [ 1600.346854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.346854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.346854][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.346854][ T10] netlink_unicast+0x449/0x710 [ 1600.346854][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.346854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.346854][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.346854][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.346854][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.346854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.346854][ T10] [ 1600.348403][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1600.348403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1600.348403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1600.348403][ T10] ipv6_find_idev+0x102/0x170 [ 1600.348403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.348403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.348403][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.348403][ T10] netlink_unicast+0x449/0x710 [ 1600.348403][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.348403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.348403][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.348403][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.348403][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.348403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.348403][ T10] [ 1600.350471][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1600.350732][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1600.350732][ T10] netdev_get_by_index+0x5e/0x80 [ 1600.350732][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1600.350732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1600.350732][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1600.350732][ T10] ipv6_add_addr+0x411/0x2000 [ 1600.350732][ T10] inet6_addr_add+0x30e/0xa40 [ 1600.350732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1600.350732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.350732][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.350732][ T10] netlink_unicast+0x449/0x710 [ 1600.350732][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.350732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.350732][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.350732][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.350732][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.350732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.350732][ T10] [ 1600.352653][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1600.352653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1600.352653][ T10] ipv6_find_idev+0x102/0x170 [ 1600.352653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.352653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.352653][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.352653][ T10] netlink_unicast+0x449/0x710 [ 1600.352653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.352653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.352653][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.352653][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.352653][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.352653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.352653][ T10] [ 1600.354166][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1600.354166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1600.354166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1600.354166][ T10] ipv6_find_idev+0x102/0x170 [ 1600.354166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.354166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.354166][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.354166][ T10] netlink_unicast+0x449/0x710 [ 1600.354166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.354166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.354166][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.354166][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.354166][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.354166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.354166][ T10] [ 1600.355922][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1600.356247][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1600.356247][ T10] netdev_get_by_index+0x5e/0x80 [ 1600.356247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1600.356247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1600.356247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1600.356247][ T10] ipv6_add_addr+0x411/0x2000 [ 1600.356247][ T10] inet6_addr_add+0x30e/0xa40 [ 1600.356247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1600.356247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.356247][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.356247][ T10] netlink_unicast+0x449/0x710 [ 1600.356247][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.356247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.356247][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.356247][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.356247][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.356247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.356247][ T10] [ 1600.358361][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1600.358361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1600.358361][ T10] ipv6_find_idev+0x102/0x170 [ 1600.358361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.358361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.358361][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.358361][ T10] netlink_unicast+0x449/0x710 [ 1600.358361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.358361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.358361][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.358361][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.358361][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.358361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.358361][ T10] [ 1600.360085][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1600.360085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1600.360085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1600.360085][ T10] ipv6_find_idev+0x102/0x170 [ 1600.360085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.360085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.360085][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.360085][ T10] netlink_unicast+0x449/0x710 [ 1600.360085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.360085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.360085][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.360085][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.360085][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.360085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.360085][ T10] [ 1600.361975][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1600.362303][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1600.362303][ T10] netdev_get_by_index+0x5e/0x80 [ 1600.362303][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1600.362303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1600.362303][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1600.362303][ T10] ipv6_add_addr+0x411/0x2000 [ 1600.362303][ T10] inet6_addr_add+0x30e/0xa40 [ 1600.362303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1600.362303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.362303][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.362303][ T10] netlink_unicast+0x449/0x710 [ 1600.362303][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.362303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.362303][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.362303][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.362303][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.362303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.362303][ T10] [ 1600.364476][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1600.364476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1600.364476][ T10] ipv6_find_idev+0x102/0x170 [ 1600.364476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.364476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.364476][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.364476][ T10] netlink_unicast+0x449/0x710 [ 1600.364476][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.364476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.364476][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.364476][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.364476][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.364476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.364476][ T10] [ 1600.366280][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1600.366280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1600.366280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1600.366280][ T10] ipv6_find_idev+0x102/0x170 [ 1600.366280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.366280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.366280][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.366280][ T10] netlink_unicast+0x449/0x710 [ 1600.366280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.366280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.366280][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.366280][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.366280][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.366280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.366280][ T10] [ 1600.368269][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1600.368536][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1600.368536][ T10] netdev_get_by_index+0x5e/0x80 [ 1600.368536][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1600.368536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1600.368536][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1600.368536][ T10] ipv6_add_addr+0x411/0x2000 [ 1600.368536][ T10] inet6_addr_add+0x30e/0xa40 [ 1600.368536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1600.368536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.368536][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.368536][ T10] netlink_unicast+0x449/0x710 [ 1600.368536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.368536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.368536][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.368536][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.368536][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.368536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.368536][ T10] [ 1600.370699][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1600.370699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1600.370699][ T10] ipv6_find_idev+0x102/0x170 [ 1600.370699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.370699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.370699][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.370699][ T10] netlink_unicast+0x449/0x710 [ 1600.370699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.370699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.370699][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.370699][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.370699][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.370699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.370699][ T10] [ 1600.372428][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1600.372428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1600.372428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1600.372428][ T10] ipv6_find_idev+0x102/0x170 [ 1600.372428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1600.372428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1600.372428][ T10] netlink_rcv_skb+0x130/0x360 [ 1600.372428][ T10] netlink_unicast+0x449/0x710 [ 1600.372428][ T10] netlink_sendmsg+0x723/0xbe0 [ 1600.372428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1600.372428][ T10] ___sys_sendmsg+0xee/0x170 [ 1600.372428][ T10] __sys_sendmsg+0xcd/0x170 [ 1600.372428][ T10] do_syscall_64+0xc6/0x1e0 [ 1600.372428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1600.372428][ T10] [ 1610.440155][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1610.440785][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1610.440785][ T10] netdev_get_by_index+0x5e/0x80 [ 1610.440785][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1610.440785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1610.440785][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1610.440785][ T10] ipv6_add_addr+0x411/0x2000 [ 1610.440785][ T10] inet6_addr_add+0x30e/0xa40 [ 1610.440785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1610.440785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.440785][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.440785][ T10] netlink_unicast+0x449/0x710 [ 1610.440785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.440785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.440785][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.440785][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.440785][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.440785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.440785][ T10] [ 1610.443009][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1610.443009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1610.443009][ T10] ipv6_find_idev+0x102/0x170 [ 1610.443009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.443009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.443009][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.443009][ T10] netlink_unicast+0x449/0x710 [ 1610.443009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.443009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.443009][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.443009][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.443009][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.443009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.443009][ T10] [ 1610.444811][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1610.444811][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1610.444811][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1610.444811][ T10] ipv6_find_idev+0x102/0x170 [ 1610.444811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.444811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.444811][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.444811][ T10] netlink_unicast+0x449/0x710 [ 1610.444811][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.444811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.444811][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.444811][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.444811][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.444811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.444811][ T10] [ 1610.446758][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1610.447080][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1610.447080][ T10] netdev_get_by_index+0x5e/0x80 [ 1610.447080][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1610.447080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1610.447080][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1610.447080][ T10] ipv6_add_addr+0x411/0x2000 [ 1610.447080][ T10] inet6_addr_add+0x30e/0xa40 [ 1610.447080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1610.447080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.447080][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.447080][ T10] netlink_unicast+0x449/0x710 [ 1610.447080][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.447080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.447080][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.447080][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.447080][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.447080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.447080][ T10] [ 1610.449283][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1610.449283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1610.449283][ T10] ipv6_find_idev+0x102/0x170 [ 1610.449283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.449283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.449283][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.449283][ T10] netlink_unicast+0x449/0x710 [ 1610.449283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.449283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.449283][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.449283][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.449283][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.449283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.449283][ T10] [ 1610.451004][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1610.451004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1610.451004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1610.451004][ T10] ipv6_find_idev+0x102/0x170 [ 1610.451004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.451004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.451004][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.451004][ T10] netlink_unicast+0x449/0x710 [ 1610.451004][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.451004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.451004][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.451004][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.451004][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.451004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.451004][ T10] [ 1610.452832][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1610.453132][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1610.453132][ T10] netdev_get_by_index+0x5e/0x80 [ 1610.453132][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1610.453132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1610.453132][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1610.453132][ T10] ipv6_add_addr+0x411/0x2000 [ 1610.453132][ T10] inet6_addr_add+0x30e/0xa40 [ 1610.453132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1610.453132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.453132][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.453132][ T10] netlink_unicast+0x449/0x710 [ 1610.453132][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.453132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.453132][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.453132][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.453132][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.453132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.453132][ T10] [ 1610.455293][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1610.455293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1610.455293][ T10] ipv6_find_idev+0x102/0x170 [ 1610.455293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.455293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.455293][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.455293][ T10] netlink_unicast+0x449/0x710 [ 1610.455293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.455293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.455293][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.455293][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.455293][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.455293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.455293][ T10] [ 1610.456993][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1610.456993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1610.456993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1610.456993][ T10] ipv6_find_idev+0x102/0x170 [ 1610.456993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.456993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.456993][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.456993][ T10] netlink_unicast+0x449/0x710 [ 1610.456993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.456993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.456993][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.456993][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.456993][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.456993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.456993][ T10] [ 1610.458869][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1610.459180][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1610.459180][ T10] netdev_get_by_index+0x5e/0x80 [ 1610.459180][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1610.459180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1610.459180][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1610.459180][ T10] ipv6_add_addr+0x411/0x2000 [ 1610.459180][ T10] inet6_addr_add+0x30e/0xa40 [ 1610.459180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1610.459180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.459180][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.459180][ T10] netlink_unicast+0x449/0x710 [ 1610.459180][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.459180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.459180][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.459180][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.459180][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.459180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.459180][ T10] [ 1610.461395][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1610.461395][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1610.461395][ T10] ipv6_find_idev+0x102/0x170 [ 1610.461395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.461395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.461395][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.461395][ T10] netlink_unicast+0x449/0x710 [ 1610.461395][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.461395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.461395][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.461395][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.461395][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.461395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.461395][ T10] [ 1610.463095][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1610.463095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1610.463095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1610.463095][ T10] ipv6_find_idev+0x102/0x170 [ 1610.463095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.463095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.463095][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.463095][ T10] netlink_unicast+0x449/0x710 [ 1610.463095][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.463095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.463095][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.463095][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.463095][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.463095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.463095][ T10] [ 1610.464956][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1610.465307][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1610.465307][ T10] netdev_get_by_index+0x5e/0x80 [ 1610.465307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1610.465307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1610.465307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1610.465307][ T10] ipv6_add_addr+0x411/0x2000 [ 1610.465307][ T10] inet6_addr_add+0x30e/0xa40 [ 1610.465307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1610.465307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.465307][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.465307][ T10] netlink_unicast+0x449/0x710 [ 1610.465307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.465307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.465307][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.465307][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.465307][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.465307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.465307][ T10] [ 1610.467514][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1610.467514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1610.467514][ T10] ipv6_find_idev+0x102/0x170 [ 1610.467514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.467514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.467514][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.467514][ T10] netlink_unicast+0x449/0x710 [ 1610.467514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.467514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.467514][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.467514][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.467514][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.467514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.467514][ T10] [ 1610.469191][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1610.469191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1610.469191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1610.469191][ T10] ipv6_find_idev+0x102/0x170 [ 1610.469191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.469191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.469191][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.469191][ T10] netlink_unicast+0x449/0x710 [ 1610.469191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.469191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.469191][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.469191][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.469191][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.469191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.469191][ T10] [ 1610.471207][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1610.471550][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1610.471550][ T10] netdev_get_by_index+0x5e/0x80 [ 1610.471550][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1610.471550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1610.471550][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1610.471550][ T10] ipv6_add_addr+0x411/0x2000 [ 1610.471550][ T10] inet6_addr_add+0x30e/0xa40 [ 1610.471550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1610.471550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.471550][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.471550][ T10] netlink_unicast+0x449/0x710 [ 1610.471550][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.471550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.471550][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.471550][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.471550][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.471550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.471550][ T10] [ 1610.474001][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1610.474001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1610.474001][ T10] ipv6_find_idev+0x102/0x170 [ 1610.474001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.474001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.474001][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.474001][ T10] netlink_unicast+0x449/0x710 [ 1610.474001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.474001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.474001][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.474001][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.474001][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.474001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.474001][ T10] [ 1610.475916][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1610.475916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1610.475916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1610.475916][ T10] ipv6_find_idev+0x102/0x170 [ 1610.475916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.475916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.475916][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.475916][ T10] netlink_unicast+0x449/0x710 [ 1610.475916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.475916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.475916][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.475916][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.475916][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.475916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.475916][ T10] [ 1610.478011][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1610.478363][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1610.478363][ T10] netdev_get_by_index+0x5e/0x80 [ 1610.478363][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1610.478363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1610.478363][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1610.478363][ T10] ipv6_add_addr+0x411/0x2000 [ 1610.478363][ T10] inet6_addr_add+0x30e/0xa40 [ 1610.478363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1610.478363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.478363][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.478363][ T10] netlink_unicast+0x449/0x710 [ 1610.478363][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.478363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.478363][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.478363][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.478363][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.478363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.478363][ T10] [ 1610.480702][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1610.480702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1610.480702][ T10] ipv6_find_idev+0x102/0x170 [ 1610.480702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.480702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.480702][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.480702][ T10] netlink_unicast+0x449/0x710 [ 1610.480702][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.480702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.480702][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.480702][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.480702][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.480702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.480702][ T10] [ 1610.482446][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1610.482446][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1610.482446][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1610.482446][ T10] ipv6_find_idev+0x102/0x170 [ 1610.482446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.482446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.482446][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.482446][ T10] netlink_unicast+0x449/0x710 [ 1610.482446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.482446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.482446][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.482446][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.482446][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.482446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.482446][ T10] [ 1610.484680][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1610.484975][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1610.484975][ T10] netdev_get_by_index+0x5e/0x80 [ 1610.484975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1610.484975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1610.484975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1610.484975][ T10] ipv6_add_addr+0x411/0x2000 [ 1610.484975][ T10] inet6_addr_add+0x30e/0xa40 [ 1610.484975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1610.484975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.484975][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.484975][ T10] netlink_unicast+0x449/0x710 [ 1610.484975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.484975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.484975][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.484975][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.484975][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.484975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.484975][ T10] [ 1610.487329][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1610.487329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1610.487329][ T10] ipv6_find_idev+0x102/0x170 [ 1610.487329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.487329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.487329][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.487329][ T10] netlink_unicast+0x449/0x710 [ 1610.487329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.487329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.487329][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.487329][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.487329][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.487329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.487329][ T10] [ 1610.489129][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1610.489129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1610.489129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1610.489129][ T10] ipv6_find_idev+0x102/0x170 [ 1610.489129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1610.489129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1610.489129][ T10] netlink_rcv_skb+0x130/0x360 [ 1610.489129][ T10] netlink_unicast+0x449/0x710 [ 1610.489129][ T10] netlink_sendmsg+0x723/0xbe0 [ 1610.489129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1610.489129][ T10] ___sys_sendmsg+0xee/0x170 [ 1610.489129][ T10] __sys_sendmsg+0xcd/0x170 [ 1610.489129][ T10] do_syscall_64+0xc6/0x1e0 [ 1610.489129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1610.489129][ T10] [ 1620.600136][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1620.600615][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1620.600615][ T10] netdev_get_by_index+0x5e/0x80 [ 1620.600615][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1620.600615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1620.600615][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1620.600615][ T10] ipv6_add_addr+0x411/0x2000 [ 1620.600615][ T10] inet6_addr_add+0x30e/0xa40 [ 1620.600615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1620.600615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.600615][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.600615][ T10] netlink_unicast+0x449/0x710 [ 1620.600615][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.600615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.600615][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.600615][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.600615][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.600615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.600615][ T10] [ 1620.602922][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1620.602922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1620.602922][ T10] ipv6_find_idev+0x102/0x170 [ 1620.602922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.602922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.602922][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.602922][ T10] netlink_unicast+0x449/0x710 [ 1620.602922][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.602922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.602922][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.602922][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.602922][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.602922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.602922][ T10] [ 1620.604701][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1620.604701][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1620.604701][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1620.604701][ T10] ipv6_find_idev+0x102/0x170 [ 1620.604701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.604701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.604701][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.604701][ T10] netlink_unicast+0x449/0x710 [ 1620.604701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.604701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.604701][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.604701][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.604701][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.604701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.604701][ T10] [ 1620.606615][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1620.606940][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1620.606940][ T10] netdev_get_by_index+0x5e/0x80 [ 1620.606940][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1620.606940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1620.606940][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1620.606940][ T10] ipv6_add_addr+0x411/0x2000 [ 1620.606940][ T10] inet6_addr_add+0x30e/0xa40 [ 1620.606940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1620.606940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.606940][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.606940][ T10] netlink_unicast+0x449/0x710 [ 1620.606940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.606940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.606940][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.606940][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.606940][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.606940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.606940][ T10] [ 1620.609191][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1620.609191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1620.609191][ T10] ipv6_find_idev+0x102/0x170 [ 1620.609191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.609191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.609191][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.609191][ T10] netlink_unicast+0x449/0x710 [ 1620.609191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.609191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.609191][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.609191][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.609191][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.609191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.609191][ T10] [ 1620.610942][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1620.610942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1620.610942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1620.610942][ T10] ipv6_find_idev+0x102/0x170 [ 1620.610942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.610942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.610942][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.610942][ T10] netlink_unicast+0x449/0x710 [ 1620.610942][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.610942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.610942][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.610942][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.610942][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.610942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.610942][ T10] [ 1620.612825][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1620.613134][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1620.613134][ T10] netdev_get_by_index+0x5e/0x80 [ 1620.613134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1620.613134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1620.613134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1620.613134][ T10] ipv6_add_addr+0x411/0x2000 [ 1620.613134][ T10] inet6_addr_add+0x30e/0xa40 [ 1620.613134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1620.613134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.613134][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.613134][ T10] netlink_unicast+0x449/0x710 [ 1620.613134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.613134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.613134][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.613134][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.613134][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.613134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.613134][ T10] [ 1620.615405][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1620.615405][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1620.615405][ T10] ipv6_find_idev+0x102/0x170 [ 1620.615405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.615405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.615405][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.615405][ T10] netlink_unicast+0x449/0x710 [ 1620.615405][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.615405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.615405][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.615405][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.615405][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.615405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.615405][ T10] [ 1620.617157][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1620.617157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1620.617157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1620.617157][ T10] ipv6_find_idev+0x102/0x170 [ 1620.617157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.617157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.617157][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.617157][ T10] netlink_unicast+0x449/0x710 [ 1620.617157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.617157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.617157][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.617157][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.617157][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.617157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.617157][ T10] [ 1620.619048][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1620.619819][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1620.619819][ T10] netdev_get_by_index+0x5e/0x80 [ 1620.619819][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1620.619819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1620.619819][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1620.619819][ T10] ipv6_add_addr+0x411/0x2000 [ 1620.619819][ T10] inet6_addr_add+0x30e/0xa40 [ 1620.619819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1620.619819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.619819][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.619819][ T10] netlink_unicast+0x449/0x710 [ 1620.619819][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.619819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.619819][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.619819][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.619819][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.619819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.619819][ T10] [ 1620.622070][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1620.622070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1620.622070][ T10] ipv6_find_idev+0x102/0x170 [ 1620.622070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.622070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.622070][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.622070][ T10] netlink_unicast+0x449/0x710 [ 1620.622070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.622070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.622070][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.622070][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.622070][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.622070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.622070][ T10] [ 1620.623794][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1620.623794][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1620.623794][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1620.623794][ T10] ipv6_find_idev+0x102/0x170 [ 1620.623794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.623794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.623794][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.623794][ T10] netlink_unicast+0x449/0x710 [ 1620.623794][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.623794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.623794][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.623794][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.623794][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.623794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.623794][ T10] [ 1620.625724][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1620.626066][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1620.626066][ T10] netdev_get_by_index+0x5e/0x80 [ 1620.626066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1620.626066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1620.626066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1620.626066][ T10] ipv6_add_addr+0x411/0x2000 [ 1620.626066][ T10] inet6_addr_add+0x30e/0xa40 [ 1620.626066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1620.626066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.626066][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.626066][ T10] netlink_unicast+0x449/0x710 [ 1620.626066][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.626066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.626066][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.626066][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.626066][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.626066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.626066][ T10] [ 1620.628346][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1620.628346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1620.628346][ T10] ipv6_find_idev+0x102/0x170 [ 1620.628346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.628346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.628346][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.628346][ T10] netlink_unicast+0x449/0x710 [ 1620.628346][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.628346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.628346][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.628346][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.628346][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.628346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.628346][ T10] [ 1620.630079][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1620.630079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1620.630079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1620.630079][ T10] ipv6_find_idev+0x102/0x170 [ 1620.630079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.630079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.630079][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.630079][ T10] netlink_unicast+0x449/0x710 [ 1620.630079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.630079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.630079][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.630079][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.630079][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.630079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.630079][ T10] [ 1620.632045][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1620.632406][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1620.632406][ T10] netdev_get_by_index+0x5e/0x80 [ 1620.632406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1620.632406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1620.632406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1620.632406][ T10] ipv6_add_addr+0x411/0x2000 [ 1620.632406][ T10] inet6_addr_add+0x30e/0xa40 [ 1620.632406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1620.632406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.632406][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.632406][ T10] netlink_unicast+0x449/0x710 [ 1620.632406][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.632406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.632406][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.632406][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.632406][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.632406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.632406][ T10] [ 1620.634686][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1620.634686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1620.634686][ T10] ipv6_find_idev+0x102/0x170 [ 1620.634686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.634686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.634686][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.634686][ T10] netlink_unicast+0x449/0x710 [ 1620.634686][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.634686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.634686][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.634686][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.634686][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.634686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.634686][ T10] [ 1620.636525][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1620.636525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1620.636525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1620.636525][ T10] ipv6_find_idev+0x102/0x170 [ 1620.636525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.636525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.636525][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.636525][ T10] netlink_unicast+0x449/0x710 [ 1620.636525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.636525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.636525][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.636525][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.636525][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.636525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.636525][ T10] [ 1620.638539][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1620.638879][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1620.638879][ T10] netdev_get_by_index+0x5e/0x80 [ 1620.638879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1620.638879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1620.638879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1620.638879][ T10] ipv6_add_addr+0x411/0x2000 [ 1620.638879][ T10] inet6_addr_add+0x30e/0xa40 [ 1620.638879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1620.638879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.638879][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.638879][ T10] netlink_unicast+0x449/0x710 [ 1620.638879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.638879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.638879][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.638879][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.638879][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.638879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.638879][ T10] [ 1620.641263][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1620.641263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1620.641263][ T10] ipv6_find_idev+0x102/0x170 [ 1620.641263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.641263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.641263][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.641263][ T10] netlink_unicast+0x449/0x710 [ 1620.641263][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.641263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.641263][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.641263][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.641263][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.641263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.641263][ T10] [ 1620.643051][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1620.643051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1620.643051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1620.643051][ T10] ipv6_find_idev+0x102/0x170 [ 1620.643051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.643051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.643051][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.643051][ T10] netlink_unicast+0x449/0x710 [ 1620.643051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.643051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.643051][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.643051][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.643051][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.643051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.643051][ T10] [ 1620.645173][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1620.645512][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1620.645512][ T10] netdev_get_by_index+0x5e/0x80 [ 1620.645512][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1620.645512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1620.645512][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1620.645512][ T10] ipv6_add_addr+0x411/0x2000 [ 1620.645512][ T10] inet6_addr_add+0x30e/0xa40 [ 1620.645512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1620.645512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.645512][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.645512][ T10] netlink_unicast+0x449/0x710 [ 1620.645512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.645512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.645512][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.645512][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.645512][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.645512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.645512][ T10] [ 1620.647878][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1620.647878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1620.647878][ T10] ipv6_find_idev+0x102/0x170 [ 1620.647878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.647878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.647878][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.647878][ T10] netlink_unicast+0x449/0x710 [ 1620.647878][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.647878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.647878][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.647878][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.647878][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.647878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.647878][ T10] [ 1620.649861][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1620.649861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1620.649861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1620.649861][ T10] ipv6_find_idev+0x102/0x170 [ 1620.649861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1620.649861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1620.649861][ T10] netlink_rcv_skb+0x130/0x360 [ 1620.649861][ T10] netlink_unicast+0x449/0x710 [ 1620.649861][ T10] netlink_sendmsg+0x723/0xbe0 [ 1620.649861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1620.649861][ T10] ___sys_sendmsg+0xee/0x170 [ 1620.649861][ T10] __sys_sendmsg+0xcd/0x170 [ 1620.649861][ T10] do_syscall_64+0xc6/0x1e0 [ 1620.649861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1620.649861][ T10] [ 1630.736223][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1630.736627][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1630.736627][ T10] netdev_get_by_index+0x5e/0x80 [ 1630.736627][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1630.736627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1630.736627][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1630.736627][ T10] ipv6_add_addr+0x411/0x2000 [ 1630.736627][ T10] inet6_addr_add+0x30e/0xa40 [ 1630.736627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1630.736627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.736627][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.736627][ T10] netlink_unicast+0x449/0x710 [ 1630.736627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.736627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.736627][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.736627][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.736627][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.736627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.736627][ T10] [ 1630.738985][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1630.738985][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1630.738985][ T10] ipv6_find_idev+0x102/0x170 [ 1630.738985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.738985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.738985][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.738985][ T10] netlink_unicast+0x449/0x710 [ 1630.738985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.738985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.738985][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.738985][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.738985][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.738985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.738985][ T10] [ 1630.740799][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1630.740799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1630.740799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1630.740799][ T10] ipv6_find_idev+0x102/0x170 [ 1630.740799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.740799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.740799][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.740799][ T10] netlink_unicast+0x449/0x710 [ 1630.740799][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.740799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.740799][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.740799][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.740799][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.740799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.740799][ T10] [ 1630.742755][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1630.743061][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1630.743061][ T10] netdev_get_by_index+0x5e/0x80 [ 1630.743061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1630.743061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1630.743061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1630.743061][ T10] ipv6_add_addr+0x411/0x2000 [ 1630.743061][ T10] inet6_addr_add+0x30e/0xa40 [ 1630.743061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1630.743061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.743061][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.743061][ T10] netlink_unicast+0x449/0x710 [ 1630.743061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.743061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.743061][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.743061][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.743061][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.743061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.743061][ T10] [ 1630.745366][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1630.745366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1630.745366][ T10] ipv6_find_idev+0x102/0x170 [ 1630.745366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.745366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.745366][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.745366][ T10] netlink_unicast+0x449/0x710 [ 1630.745366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.745366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.745366][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.745366][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.745366][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.745366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.745366][ T10] [ 1630.747186][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1630.747186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1630.747186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1630.747186][ T10] ipv6_find_idev+0x102/0x170 [ 1630.747186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.747186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.747186][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.747186][ T10] netlink_unicast+0x449/0x710 [ 1630.747186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.747186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.747186][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.747186][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.747186][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.747186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.747186][ T10] [ 1630.749154][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1630.749459][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1630.749459][ T10] netdev_get_by_index+0x5e/0x80 [ 1630.749459][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1630.749459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1630.749459][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1630.749459][ T10] ipv6_add_addr+0x411/0x2000 [ 1630.749459][ T10] inet6_addr_add+0x30e/0xa40 [ 1630.749459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1630.749459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.749459][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.749459][ T10] netlink_unicast+0x449/0x710 [ 1630.749459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.749459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.749459][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.749459][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.749459][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.749459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.749459][ T10] [ 1630.751804][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1630.751804][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1630.751804][ T10] ipv6_find_idev+0x102/0x170 [ 1630.751804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.751804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.751804][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.751804][ T10] netlink_unicast+0x449/0x710 [ 1630.751804][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.751804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.751804][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.751804][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.751804][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.751804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.751804][ T10] [ 1630.753574][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1630.753574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1630.753574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1630.753574][ T10] ipv6_find_idev+0x102/0x170 [ 1630.753574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.753574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.753574][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.753574][ T10] netlink_unicast+0x449/0x710 [ 1630.753574][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.753574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.753574][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.753574][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.753574][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.753574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.753574][ T10] [ 1630.755532][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1630.755861][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1630.755861][ T10] netdev_get_by_index+0x5e/0x80 [ 1630.755861][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1630.755861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1630.755861][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1630.755861][ T10] ipv6_add_addr+0x411/0x2000 [ 1630.755861][ T10] inet6_addr_add+0x30e/0xa40 [ 1630.755861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1630.755861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.755861][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.755861][ T10] netlink_unicast+0x449/0x710 [ 1630.755861][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.755861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.755861][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.755861][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.755861][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.755861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.755861][ T10] [ 1630.758196][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1630.758196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1630.758196][ T10] ipv6_find_idev+0x102/0x170 [ 1630.758196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.758196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.758196][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.758196][ T10] netlink_unicast+0x449/0x710 [ 1630.758196][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.758196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.758196][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.758196][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.758196][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.758196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.758196][ T10] [ 1630.760030][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1630.760030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1630.760030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1630.760030][ T10] ipv6_find_idev+0x102/0x170 [ 1630.760030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.760030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.760030][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.760030][ T10] netlink_unicast+0x449/0x710 [ 1630.760030][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.760030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.760030][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.760030][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.760030][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.760030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.760030][ T10] [ 1630.762117][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1630.762413][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1630.762413][ T10] netdev_get_by_index+0x5e/0x80 [ 1630.762413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1630.762413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1630.762413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1630.762413][ T10] ipv6_add_addr+0x411/0x2000 [ 1630.762413][ T10] inet6_addr_add+0x30e/0xa40 [ 1630.762413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1630.762413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.762413][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.762413][ T10] netlink_unicast+0x449/0x710 [ 1630.762413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.762413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.762413][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.762413][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.762413][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.762413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.762413][ T10] [ 1630.764864][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1630.764864][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1630.764864][ T10] ipv6_find_idev+0x102/0x170 [ 1630.764864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.764864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.764864][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.764864][ T10] netlink_unicast+0x449/0x710 [ 1630.764864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.764864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.764864][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.764864][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.764864][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.764864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.764864][ T10] [ 1630.766670][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1630.766670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1630.766670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1630.766670][ T10] ipv6_find_idev+0x102/0x170 [ 1630.766670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.766670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.766670][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.766670][ T10] netlink_unicast+0x449/0x710 [ 1630.766670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.766670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.766670][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.766670][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.766670][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.766670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.766670][ T10] [ 1630.769008][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1630.769360][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1630.769360][ T10] netdev_get_by_index+0x5e/0x80 [ 1630.769360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1630.769360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1630.769360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1630.769360][ T10] ipv6_add_addr+0x411/0x2000 [ 1630.769360][ T10] inet6_addr_add+0x30e/0xa40 [ 1630.769360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1630.769360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.769360][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.769360][ T10] netlink_unicast+0x449/0x710 [ 1630.769360][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.769360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.769360][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.769360][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.769360][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.769360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.769360][ T10] [ 1630.771625][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1630.771625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1630.771625][ T10] ipv6_find_idev+0x102/0x170 [ 1630.771625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.771625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.771625][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.771625][ T10] netlink_unicast+0x449/0x710 [ 1630.771625][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.771625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.771625][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.771625][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.771625][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.771625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.771625][ T10] [ 1630.773487][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1630.773487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1630.773487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1630.773487][ T10] ipv6_find_idev+0x102/0x170 [ 1630.773487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.773487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.773487][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.773487][ T10] netlink_unicast+0x449/0x710 [ 1630.773487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.773487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.773487][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.773487][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.773487][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.773487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.773487][ T10] [ 1630.775519][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1630.775867][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1630.775867][ T10] netdev_get_by_index+0x5e/0x80 [ 1630.775867][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1630.775867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1630.775867][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1630.775867][ T10] ipv6_add_addr+0x411/0x2000 [ 1630.775867][ T10] inet6_addr_add+0x30e/0xa40 [ 1630.775867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1630.775867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.775867][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.775867][ T10] netlink_unicast+0x449/0x710 [ 1630.775867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.775867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.775867][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.775867][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.775867][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.775867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.775867][ T10] [ 1630.778227][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1630.778227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1630.778227][ T10] ipv6_find_idev+0x102/0x170 [ 1630.778227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.778227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.778227][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.778227][ T10] netlink_unicast+0x449/0x710 [ 1630.778227][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.778227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.778227][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.778227][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.778227][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.778227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.778227][ T10] [ 1630.780116][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1630.780116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1630.780116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1630.780116][ T10] ipv6_find_idev+0x102/0x170 [ 1630.780116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.780116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.780116][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.780116][ T10] netlink_unicast+0x449/0x710 [ 1630.780116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.780116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.780116][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.780116][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.780116][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.780116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.780116][ T10] [ 1630.782249][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1630.782660][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1630.782660][ T10] netdev_get_by_index+0x5e/0x80 [ 1630.782660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1630.782660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1630.782660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1630.782660][ T10] ipv6_add_addr+0x411/0x2000 [ 1630.782660][ T10] inet6_addr_add+0x30e/0xa40 [ 1630.782660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1630.782660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.782660][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.782660][ T10] netlink_unicast+0x449/0x710 [ 1630.782660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.782660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.782660][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.782660][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.782660][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.782660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.782660][ T10] [ 1630.785083][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1630.785083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1630.785083][ T10] ipv6_find_idev+0x102/0x170 [ 1630.785083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.785083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.785083][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.785083][ T10] netlink_unicast+0x449/0x710 [ 1630.785083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.785083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.785083][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.785083][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.785083][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.785083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.785083][ T10] [ 1630.786820][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1630.786820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1630.786820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1630.786820][ T10] ipv6_find_idev+0x102/0x170 [ 1630.786820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1630.786820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1630.786820][ T10] netlink_rcv_skb+0x130/0x360 [ 1630.786820][ T10] netlink_unicast+0x449/0x710 [ 1630.786820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1630.786820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1630.786820][ T10] ___sys_sendmsg+0xee/0x170 [ 1630.786820][ T10] __sys_sendmsg+0xcd/0x170 [ 1630.786820][ T10] do_syscall_64+0xc6/0x1e0 [ 1630.786820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1630.786820][ T10] [ 1640.912276][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1640.912717][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1640.912717][ T10] netdev_get_by_index+0x5e/0x80 [ 1640.912717][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1640.912717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1640.912717][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1640.912717][ T10] ipv6_add_addr+0x411/0x2000 [ 1640.912717][ T10] inet6_addr_add+0x30e/0xa40 [ 1640.912717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1640.912717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.912717][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.912717][ T10] netlink_unicast+0x449/0x710 [ 1640.912717][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.912717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.912717][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.912717][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.912717][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.912717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.912717][ T10] [ 1640.914740][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1640.914740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1640.914740][ T10] ipv6_find_idev+0x102/0x170 [ 1640.914740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.914740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.914740][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.914740][ T10] netlink_unicast+0x449/0x710 [ 1640.914740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.914740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.914740][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.914740][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.914740][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.914740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.914740][ T10] [ 1640.916341][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1640.916341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1640.916341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1640.916341][ T10] ipv6_find_idev+0x102/0x170 [ 1640.916341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.916341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.916341][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.916341][ T10] netlink_unicast+0x449/0x710 [ 1640.916341][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.916341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.916341][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.916341][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.916341][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.916341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.916341][ T10] [ 1640.918060][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1640.918356][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1640.918356][ T10] netdev_get_by_index+0x5e/0x80 [ 1640.918356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1640.918356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1640.918356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1640.918356][ T10] ipv6_add_addr+0x411/0x2000 [ 1640.918356][ T10] inet6_addr_add+0x30e/0xa40 [ 1640.918356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1640.918356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.918356][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.918356][ T10] netlink_unicast+0x449/0x710 [ 1640.918356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.918356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.918356][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.918356][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.918356][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.918356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.918356][ T10] [ 1640.920379][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1640.920379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1640.920379][ T10] ipv6_find_idev+0x102/0x170 [ 1640.920379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.920379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.920379][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.920379][ T10] netlink_unicast+0x449/0x710 [ 1640.920379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.920379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.920379][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.920379][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.920379][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.920379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.920379][ T10] [ 1640.921924][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1640.921924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1640.921924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1640.921924][ T10] ipv6_find_idev+0x102/0x170 [ 1640.921924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.921924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.921924][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.921924][ T10] netlink_unicast+0x449/0x710 [ 1640.921924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.921924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.921924][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.921924][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.921924][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.921924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.921924][ T10] [ 1640.923597][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1640.923881][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1640.923881][ T10] netdev_get_by_index+0x5e/0x80 [ 1640.923881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1640.923881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1640.923881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1640.923881][ T10] ipv6_add_addr+0x411/0x2000 [ 1640.923881][ T10] inet6_addr_add+0x30e/0xa40 [ 1640.923881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1640.923881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.923881][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.923881][ T10] netlink_unicast+0x449/0x710 [ 1640.923881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.923881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.923881][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.923881][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.923881][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.923881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.923881][ T10] [ 1640.925879][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1640.925879][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1640.925879][ T10] ipv6_find_idev+0x102/0x170 [ 1640.925879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.925879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.925879][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.925879][ T10] netlink_unicast+0x449/0x710 [ 1640.925879][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.925879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.925879][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.925879][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.925879][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.925879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.925879][ T10] [ 1640.927430][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1640.927430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1640.927430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1640.927430][ T10] ipv6_find_idev+0x102/0x170 [ 1640.927430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.927430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.927430][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.927430][ T10] netlink_unicast+0x449/0x710 [ 1640.927430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.927430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.927430][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.927430][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.927430][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.927430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.927430][ T10] [ 1640.929145][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1640.929410][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1640.929410][ T10] netdev_get_by_index+0x5e/0x80 [ 1640.929410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1640.929410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1640.929410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1640.929410][ T10] ipv6_add_addr+0x411/0x2000 [ 1640.929410][ T10] inet6_addr_add+0x30e/0xa40 [ 1640.929410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1640.929410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.929410][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.929410][ T10] netlink_unicast+0x449/0x710 [ 1640.929410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.929410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.929410][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.929410][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.929410][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.929410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.929410][ T10] [ 1640.931447][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1640.931447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1640.931447][ T10] ipv6_find_idev+0x102/0x170 [ 1640.931447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.931447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.931447][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.931447][ T10] netlink_unicast+0x449/0x710 [ 1640.931447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.931447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.931447][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.931447][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.931447][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.931447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.931447][ T10] [ 1640.932951][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1640.932951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1640.932951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1640.932951][ T10] ipv6_find_idev+0x102/0x170 [ 1640.932951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.932951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.932951][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.932951][ T10] netlink_unicast+0x449/0x710 [ 1640.932951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.932951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.932951][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.932951][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.932951][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.932951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.932951][ T10] [ 1640.935069][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1640.935393][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1640.935393][ T10] netdev_get_by_index+0x5e/0x80 [ 1640.935393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1640.935393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1640.935393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1640.935393][ T10] ipv6_add_addr+0x411/0x2000 [ 1640.935393][ T10] inet6_addr_add+0x30e/0xa40 [ 1640.935393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1640.935393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.935393][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.935393][ T10] netlink_unicast+0x449/0x710 [ 1640.935393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.935393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.935393][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.935393][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.935393][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.935393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.935393][ T10] [ 1640.937399][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1640.937399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1640.937399][ T10] ipv6_find_idev+0x102/0x170 [ 1640.937399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.937399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.937399][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.937399][ T10] netlink_unicast+0x449/0x710 [ 1640.937399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.937399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.937399][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.937399][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.937399][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.937399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.937399][ T10] [ 1640.938895][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1640.938895][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1640.938895][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1640.938895][ T10] ipv6_find_idev+0x102/0x170 [ 1640.938895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.938895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.938895][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.938895][ T10] netlink_unicast+0x449/0x710 [ 1640.938895][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.938895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.938895][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.938895][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.938895][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.938895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.938895][ T10] [ 1640.940619][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1640.940883][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1640.940883][ T10] netdev_get_by_index+0x5e/0x80 [ 1640.940883][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1640.940883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1640.940883][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1640.940883][ T10] ipv6_add_addr+0x411/0x2000 [ 1640.940883][ T10] inet6_addr_add+0x30e/0xa40 [ 1640.940883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1640.940883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.940883][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.940883][ T10] netlink_unicast+0x449/0x710 [ 1640.940883][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.940883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.940883][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.940883][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.940883][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.940883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.940883][ T10] [ 1640.942989][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1640.942989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1640.942989][ T10] ipv6_find_idev+0x102/0x170 [ 1640.942989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.942989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.942989][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.942989][ T10] netlink_unicast+0x449/0x710 [ 1640.942989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.942989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.942989][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.942989][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.942989][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.942989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.942989][ T10] [ 1640.944703][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1640.944703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1640.944703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1640.944703][ T10] ipv6_find_idev+0x102/0x170 [ 1640.944703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.944703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.944703][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.944703][ T10] netlink_unicast+0x449/0x710 [ 1640.944703][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.944703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.944703][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.944703][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.944703][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.944703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.944703][ T10] [ 1640.946717][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1640.946992][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1640.946992][ T10] netdev_get_by_index+0x5e/0x80 [ 1640.946992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1640.946992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1640.946992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1640.946992][ T10] ipv6_add_addr+0x411/0x2000 [ 1640.946992][ T10] inet6_addr_add+0x30e/0xa40 [ 1640.946992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1640.946992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.946992][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.946992][ T10] netlink_unicast+0x449/0x710 [ 1640.946992][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.946992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.946992][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.946992][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.946992][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.946992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.946992][ T10] [ 1640.949294][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1640.949294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1640.949294][ T10] ipv6_find_idev+0x102/0x170 [ 1640.949294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.949294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.949294][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.949294][ T10] netlink_unicast+0x449/0x710 [ 1640.949294][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.949294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.949294][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.949294][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.949294][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.949294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.949294][ T10] [ 1640.951017][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1640.951017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1640.951017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1640.951017][ T10] ipv6_find_idev+0x102/0x170 [ 1640.951017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.951017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.951017][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.951017][ T10] netlink_unicast+0x449/0x710 [ 1640.951017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.951017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.951017][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.951017][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.951017][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.951017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.951017][ T10] [ 1640.952909][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1640.953229][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1640.953229][ T10] netdev_get_by_index+0x5e/0x80 [ 1640.953229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1640.953229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1640.953229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1640.953229][ T10] ipv6_add_addr+0x411/0x2000 [ 1640.953229][ T10] inet6_addr_add+0x30e/0xa40 [ 1640.953229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1640.953229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.953229][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.953229][ T10] netlink_unicast+0x449/0x710 [ 1640.953229][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.953229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.953229][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.953229][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.953229][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.953229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.953229][ T10] [ 1640.955413][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1640.955413][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1640.955413][ T10] ipv6_find_idev+0x102/0x170 [ 1640.955413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.955413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.955413][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.955413][ T10] netlink_unicast+0x449/0x710 [ 1640.955413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.955413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.955413][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.955413][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.955413][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.955413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.955413][ T10] [ 1640.957179][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1640.957179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1640.957179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1640.957179][ T10] ipv6_find_idev+0x102/0x170 [ 1640.957179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1640.957179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1640.957179][ T10] netlink_rcv_skb+0x130/0x360 [ 1640.957179][ T10] netlink_unicast+0x449/0x710 [ 1640.957179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1640.957179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1640.957179][ T10] ___sys_sendmsg+0xee/0x170 [ 1640.957179][ T10] __sys_sendmsg+0xcd/0x170 [ 1640.957179][ T10] do_syscall_64+0xc6/0x1e0 [ 1640.957179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1640.957179][ T10] [ 1651.040220][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1651.040568][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1651.040568][ T10] netdev_get_by_index+0x5e/0x80 [ 1651.040568][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1651.040568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1651.040568][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1651.040568][ T10] ipv6_add_addr+0x411/0x2000 [ 1651.040568][ T10] inet6_addr_add+0x30e/0xa40 [ 1651.040568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1651.040568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.040568][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.040568][ T10] netlink_unicast+0x449/0x710 [ 1651.040568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.040568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.040568][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.040568][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.040568][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.040568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.040568][ T10] [ 1651.042702][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1651.042702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1651.042702][ T10] ipv6_find_idev+0x102/0x170 [ 1651.042702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.042702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.042702][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.042702][ T10] netlink_unicast+0x449/0x710 [ 1651.042702][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.042702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.042702][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.042702][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.042702][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.042702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.042702][ T10] [ 1651.044311][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1651.044311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1651.044311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1651.044311][ T10] ipv6_find_idev+0x102/0x170 [ 1651.044311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.044311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.044311][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.044311][ T10] netlink_unicast+0x449/0x710 [ 1651.044311][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.044311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.044311][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.044311][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.044311][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.044311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.044311][ T10] [ 1651.046133][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1651.046415][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1651.046415][ T10] netdev_get_by_index+0x5e/0x80 [ 1651.046415][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1651.046415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1651.046415][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1651.046415][ T10] ipv6_add_addr+0x411/0x2000 [ 1651.046415][ T10] inet6_addr_add+0x30e/0xa40 [ 1651.046415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1651.046415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.046415][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.046415][ T10] netlink_unicast+0x449/0x710 [ 1651.046415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.046415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.046415][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.046415][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.046415][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.046415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.046415][ T10] [ 1651.048545][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1651.048545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1651.048545][ T10] ipv6_find_idev+0x102/0x170 [ 1651.048545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.048545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.048545][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.048545][ T10] netlink_unicast+0x449/0x710 [ 1651.048545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.048545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.048545][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.048545][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.048545][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.048545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.048545][ T10] [ 1651.050122][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1651.050122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1651.050122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1651.050122][ T10] ipv6_find_idev+0x102/0x170 [ 1651.050122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.050122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.050122][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.050122][ T10] netlink_unicast+0x449/0x710 [ 1651.050122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.050122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.050122][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.050122][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.050122][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.050122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.050122][ T10] [ 1651.051834][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1651.052101][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1651.052101][ T10] netdev_get_by_index+0x5e/0x80 [ 1651.052101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1651.052101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1651.052101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1651.052101][ T10] ipv6_add_addr+0x411/0x2000 [ 1651.052101][ T10] inet6_addr_add+0x30e/0xa40 [ 1651.052101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1651.052101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.052101][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.052101][ T10] netlink_unicast+0x449/0x710 [ 1651.052101][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.052101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.052101][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.052101][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.052101][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.052101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.052101][ T10] [ 1651.054271][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1651.054271][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1651.054271][ T10] ipv6_find_idev+0x102/0x170 [ 1651.054271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.054271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.054271][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.054271][ T10] netlink_unicast+0x449/0x710 [ 1651.054271][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.054271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.054271][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.054271][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.054271][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.054271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.054271][ T10] [ 1651.056246][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1651.056246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1651.056246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1651.056246][ T10] ipv6_find_idev+0x102/0x170 [ 1651.056246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.056246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.056246][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.056246][ T10] netlink_unicast+0x449/0x710 [ 1651.056246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.056246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.056246][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.056246][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.056246][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.056246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.056246][ T10] [ 1651.058462][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1651.058778][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1651.058778][ T10] netdev_get_by_index+0x5e/0x80 [ 1651.058778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1651.058778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1651.058778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1651.058778][ T10] ipv6_add_addr+0x411/0x2000 [ 1651.058778][ T10] inet6_addr_add+0x30e/0xa40 [ 1651.058778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1651.058778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.058778][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.058778][ T10] netlink_unicast+0x449/0x710 [ 1651.058778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.058778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.058778][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.058778][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.058778][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.058778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.058778][ T10] [ 1651.061330][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1651.061330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1651.061330][ T10] ipv6_find_idev+0x102/0x170 [ 1651.061330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.061330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.061330][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.061330][ T10] netlink_unicast+0x449/0x710 [ 1651.061330][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.061330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.061330][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.061330][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.061330][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.061330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.061330][ T10] [ 1651.063390][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1651.063390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1651.063390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1651.063390][ T10] ipv6_find_idev+0x102/0x170 [ 1651.063390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.063390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.063390][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.063390][ T10] netlink_unicast+0x449/0x710 [ 1651.063390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.063390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.063390][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.063390][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.063390][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.063390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.063390][ T10] [ 1651.065676][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1651.066062][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1651.066062][ T10] netdev_get_by_index+0x5e/0x80 [ 1651.066062][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1651.066062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1651.066062][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1651.066062][ T10] ipv6_add_addr+0x411/0x2000 [ 1651.066062][ T10] inet6_addr_add+0x30e/0xa40 [ 1651.066062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1651.066062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.066062][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.066062][ T10] netlink_unicast+0x449/0x710 [ 1651.066062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.066062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.066062][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.066062][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.066062][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.066062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.066062][ T10] [ 1651.068660][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1651.068660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1651.068660][ T10] ipv6_find_idev+0x102/0x170 [ 1651.068660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.068660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.068660][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.068660][ T10] netlink_unicast+0x449/0x710 [ 1651.068660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.068660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.068660][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.068660][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.068660][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.068660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.068660][ T10] [ 1651.070659][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1651.070659][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1651.070659][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1651.070659][ T10] ipv6_find_idev+0x102/0x170 [ 1651.070659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.070659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.070659][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.070659][ T10] netlink_unicast+0x449/0x710 [ 1651.070659][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.070659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.070659][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.070659][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.070659][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.070659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.070659][ T10] [ 1651.073036][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1651.073511][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1651.073511][ T10] netdev_get_by_index+0x5e/0x80 [ 1651.073511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1651.073511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1651.073511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1651.073511][ T10] ipv6_add_addr+0x411/0x2000 [ 1651.073511][ T10] inet6_addr_add+0x30e/0xa40 [ 1651.073511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1651.073511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.073511][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.073511][ T10] netlink_unicast+0x449/0x710 [ 1651.073511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.073511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.073511][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.073511][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.073511][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.073511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.073511][ T10] [ 1651.076438][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1651.076438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1651.076438][ T10] ipv6_find_idev+0x102/0x170 [ 1651.076438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.076438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.076438][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.076438][ T10] netlink_unicast+0x449/0x710 [ 1651.076438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.076438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.076438][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.076438][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.076438][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.076438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.076438][ T10] [ 1651.078670][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1651.078670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1651.078670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1651.078670][ T10] ipv6_find_idev+0x102/0x170 [ 1651.078670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.078670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.078670][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.078670][ T10] netlink_unicast+0x449/0x710 [ 1651.078670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.078670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.078670][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.078670][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.078670][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.078670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.078670][ T10] [ 1651.081074][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1651.081469][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1651.081469][ T10] netdev_get_by_index+0x5e/0x80 [ 1651.081469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1651.081469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1651.081469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1651.081469][ T10] ipv6_add_addr+0x411/0x2000 [ 1651.081469][ T10] inet6_addr_add+0x30e/0xa40 [ 1651.081469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1651.081469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.081469][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.081469][ T10] netlink_unicast+0x449/0x710 [ 1651.081469][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.081469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.081469][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.081469][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.081469][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.081469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.081469][ T10] [ 1651.084274][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1651.084274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1651.084274][ T10] ipv6_find_idev+0x102/0x170 [ 1651.084274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.084274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.084274][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.084274][ T10] netlink_unicast+0x449/0x710 [ 1651.084274][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.084274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.084274][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.084274][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.084274][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.084274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.084274][ T10] [ 1651.086620][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1651.086620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1651.086620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1651.086620][ T10] ipv6_find_idev+0x102/0x170 [ 1651.086620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.086620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.086620][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.086620][ T10] netlink_unicast+0x449/0x710 [ 1651.086620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.086620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.086620][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.086620][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.086620][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.086620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.086620][ T10] [ 1651.089104][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1651.089549][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1651.089549][ T10] netdev_get_by_index+0x5e/0x80 [ 1651.089549][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1651.089549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1651.089549][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1651.089549][ T10] ipv6_add_addr+0x411/0x2000 [ 1651.089549][ T10] inet6_addr_add+0x30e/0xa40 [ 1651.089549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1651.089549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.089549][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.089549][ T10] netlink_unicast+0x449/0x710 [ 1651.089549][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.089549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.089549][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.089549][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.089549][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.089549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.089549][ T10] [ 1651.092355][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1651.092355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1651.092355][ T10] ipv6_find_idev+0x102/0x170 [ 1651.092355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.092355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.092355][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.092355][ T10] netlink_unicast+0x449/0x710 [ 1651.092355][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.092355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.092355][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.092355][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.092355][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.092355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.092355][ T10] [ 1651.094570][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1651.094570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1651.094570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1651.094570][ T10] ipv6_find_idev+0x102/0x170 [ 1651.094570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1651.094570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1651.094570][ T10] netlink_rcv_skb+0x130/0x360 [ 1651.094570][ T10] netlink_unicast+0x449/0x710 [ 1651.094570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1651.094570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1651.094570][ T10] ___sys_sendmsg+0xee/0x170 [ 1651.094570][ T10] __sys_sendmsg+0xcd/0x170 [ 1651.094570][ T10] do_syscall_64+0xc6/0x1e0 [ 1651.094570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1651.094570][ T10] [ 1661.232329][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1661.232856][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1661.232856][ T10] netdev_get_by_index+0x5e/0x80 [ 1661.232856][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1661.232856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1661.232856][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1661.232856][ T10] ipv6_add_addr+0x411/0x2000 [ 1661.232856][ T10] inet6_addr_add+0x30e/0xa40 [ 1661.232856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1661.232856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.232856][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.232856][ T10] netlink_unicast+0x449/0x710 [ 1661.232856][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.232856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.232856][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.232856][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.232856][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.232856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.232856][ T10] [ 1661.235218][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1661.235218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1661.235218][ T10] ipv6_find_idev+0x102/0x170 [ 1661.235218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.235218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.235218][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.235218][ T10] netlink_unicast+0x449/0x710 [ 1661.235218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.235218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.235218][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.235218][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.235218][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.235218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.235218][ T10] [ 1661.236999][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1661.236999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1661.236999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1661.236999][ T10] ipv6_find_idev+0x102/0x170 [ 1661.236999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.236999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.236999][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.236999][ T10] netlink_unicast+0x449/0x710 [ 1661.236999][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.236999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.236999][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.236999][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.236999][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.236999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.236999][ T10] [ 1661.238955][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1661.239309][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1661.239309][ T10] netdev_get_by_index+0x5e/0x80 [ 1661.239309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1661.239309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1661.239309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1661.239309][ T10] ipv6_add_addr+0x411/0x2000 [ 1661.239309][ T10] inet6_addr_add+0x30e/0xa40 [ 1661.239309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1661.239309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.239309][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.239309][ T10] netlink_unicast+0x449/0x710 [ 1661.239309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.239309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.239309][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.239309][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.239309][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.239309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.239309][ T10] [ 1661.241546][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1661.241546][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1661.241546][ T10] ipv6_find_idev+0x102/0x170 [ 1661.241546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.241546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.241546][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.241546][ T10] netlink_unicast+0x449/0x710 [ 1661.241546][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.241546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.241546][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.241546][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.241546][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.241546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.241546][ T10] [ 1661.243212][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1661.243212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1661.243212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1661.243212][ T10] ipv6_find_idev+0x102/0x170 [ 1661.243212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.243212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.243212][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.243212][ T10] netlink_unicast+0x449/0x710 [ 1661.243212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.243212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.243212][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.243212][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.243212][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.243212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.243212][ T10] [ 1661.245129][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1661.245427][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1661.245427][ T10] netdev_get_by_index+0x5e/0x80 [ 1661.245427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1661.245427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1661.245427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1661.245427][ T10] ipv6_add_addr+0x411/0x2000 [ 1661.245427][ T10] inet6_addr_add+0x30e/0xa40 [ 1661.245427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1661.245427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.245427][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.245427][ T10] netlink_unicast+0x449/0x710 [ 1661.245427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.245427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.245427][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.245427][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.245427][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.245427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.245427][ T10] [ 1661.247701][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1661.247701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1661.247701][ T10] ipv6_find_idev+0x102/0x170 [ 1661.247701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.247701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.247701][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.247701][ T10] netlink_unicast+0x449/0x710 [ 1661.247701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.247701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.247701][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.247701][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.247701][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.247701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.247701][ T10] [ 1661.249413][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1661.249413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1661.249413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1661.249413][ T10] ipv6_find_idev+0x102/0x170 [ 1661.249413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.249413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.249413][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.249413][ T10] netlink_unicast+0x449/0x710 [ 1661.249413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.249413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.249413][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.249413][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.249413][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.249413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.249413][ T10] [ 1661.251286][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1661.251598][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1661.251598][ T10] netdev_get_by_index+0x5e/0x80 [ 1661.251598][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1661.251598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1661.251598][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1661.251598][ T10] ipv6_add_addr+0x411/0x2000 [ 1661.251598][ T10] inet6_addr_add+0x30e/0xa40 [ 1661.251598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1661.251598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.251598][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.251598][ T10] netlink_unicast+0x449/0x710 [ 1661.251598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.251598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.251598][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.251598][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.251598][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.251598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.251598][ T10] [ 1661.253866][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1661.253866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1661.253866][ T10] ipv6_find_idev+0x102/0x170 [ 1661.253866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.253866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.253866][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.253866][ T10] netlink_unicast+0x449/0x710 [ 1661.253866][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.253866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.253866][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.253866][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.253866][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.253866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.253866][ T10] [ 1661.255618][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1661.255618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1661.255618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1661.255618][ T10] ipv6_find_idev+0x102/0x170 [ 1661.255618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.255618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.255618][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.255618][ T10] netlink_unicast+0x449/0x710 [ 1661.255618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.255618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.255618][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.255618][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.255618][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.255618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.255618][ T10] [ 1661.257966][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1661.258618][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1661.258618][ T10] netdev_get_by_index+0x5e/0x80 [ 1661.258618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1661.258618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1661.258618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1661.258618][ T10] ipv6_add_addr+0x411/0x2000 [ 1661.258618][ T10] inet6_addr_add+0x30e/0xa40 [ 1661.258618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1661.258618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.258618][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.258618][ T10] netlink_unicast+0x449/0x710 [ 1661.258618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.258618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.258618][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.258618][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.258618][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.258618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.258618][ T10] [ 1661.260870][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1661.260870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1661.260870][ T10] ipv6_find_idev+0x102/0x170 [ 1661.260870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.260870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.260870][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.260870][ T10] netlink_unicast+0x449/0x710 [ 1661.260870][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.260870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.260870][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.260870][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.260870][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.260870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.260870][ T10] [ 1661.262599][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1661.262599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1661.262599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1661.262599][ T10] ipv6_find_idev+0x102/0x170 [ 1661.262599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.262599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.262599][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.262599][ T10] netlink_unicast+0x449/0x710 [ 1661.262599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.262599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.262599][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.262599][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.262599][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.262599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.262599][ T10] [ 1661.264484][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1661.264792][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1661.264792][ T10] netdev_get_by_index+0x5e/0x80 [ 1661.264792][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1661.264792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1661.264792][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1661.264792][ T10] ipv6_add_addr+0x411/0x2000 [ 1661.264792][ T10] inet6_addr_add+0x30e/0xa40 [ 1661.264792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1661.264792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.264792][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.264792][ T10] netlink_unicast+0x449/0x710 [ 1661.264792][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.264792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.264792][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.264792][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.264792][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.264792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.264792][ T10] [ 1661.267014][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1661.267014][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1661.267014][ T10] ipv6_find_idev+0x102/0x170 [ 1661.267014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.267014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.267014][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.267014][ T10] netlink_unicast+0x449/0x710 [ 1661.267014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.267014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.267014][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.267014][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.267014][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.267014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.267014][ T10] [ 1661.268869][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1661.268869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1661.268869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1661.268869][ T10] ipv6_find_idev+0x102/0x170 [ 1661.268869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.268869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.268869][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.268869][ T10] netlink_unicast+0x449/0x710 [ 1661.268869][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.268869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.268869][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.268869][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.268869][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.268869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.268869][ T10] [ 1661.271069][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1661.271426][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1661.271426][ T10] netdev_get_by_index+0x5e/0x80 [ 1661.271426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1661.271426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1661.271426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1661.271426][ T10] ipv6_add_addr+0x411/0x2000 [ 1661.271426][ T10] inet6_addr_add+0x30e/0xa40 [ 1661.271426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1661.271426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.271426][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.271426][ T10] netlink_unicast+0x449/0x710 [ 1661.271426][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.271426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.271426][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.271426][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.271426][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.271426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.271426][ T10] [ 1661.273794][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1661.273794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1661.273794][ T10] ipv6_find_idev+0x102/0x170 [ 1661.273794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.273794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.273794][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.273794][ T10] netlink_unicast+0x449/0x710 [ 1661.273794][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.273794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.273794][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.273794][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.273794][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.273794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.273794][ T10] [ 1661.275737][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1661.275737][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1661.275737][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1661.275737][ T10] ipv6_find_idev+0x102/0x170 [ 1661.275737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.275737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.275737][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.275737][ T10] netlink_unicast+0x449/0x710 [ 1661.275737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.275737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.275737][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.275737][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.275737][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.275737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.275737][ T10] [ 1661.277865][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1661.278222][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1661.278222][ T10] netdev_get_by_index+0x5e/0x80 [ 1661.278222][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1661.278222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1661.278222][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1661.278222][ T10] ipv6_add_addr+0x411/0x2000 [ 1661.278222][ T10] inet6_addr_add+0x30e/0xa40 [ 1661.278222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1661.278222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.278222][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.278222][ T10] netlink_unicast+0x449/0x710 [ 1661.278222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.278222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.278222][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.278222][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.278222][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.278222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.278222][ T10] [ 1661.280640][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1661.280640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1661.280640][ T10] ipv6_find_idev+0x102/0x170 [ 1661.280640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.280640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.280640][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.280640][ T10] netlink_unicast+0x449/0x710 [ 1661.280640][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.280640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.280640][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.280640][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.280640][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.280640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.280640][ T10] [ 1661.282581][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1661.282581][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1661.282581][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1661.282581][ T10] ipv6_find_idev+0x102/0x170 [ 1661.282581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1661.282581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1661.282581][ T10] netlink_rcv_skb+0x130/0x360 [ 1661.282581][ T10] netlink_unicast+0x449/0x710 [ 1661.282581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1661.282581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1661.282581][ T10] ___sys_sendmsg+0xee/0x170 [ 1661.282581][ T10] __sys_sendmsg+0xcd/0x170 [ 1661.282581][ T10] do_syscall_64+0xc6/0x1e0 [ 1661.282581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1661.282581][ T10] [ 1671.353200][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1671.353583][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1671.353583][ T10] netdev_get_by_index+0x5e/0x80 [ 1671.353583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1671.353583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1671.353583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1671.353583][ T10] ipv6_add_addr+0x411/0x2000 [ 1671.353583][ T10] inet6_addr_add+0x30e/0xa40 [ 1671.353583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1671.353583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.353583][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.353583][ T10] netlink_unicast+0x449/0x710 [ 1671.353583][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.353583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.353583][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.353583][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.353583][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.353583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.353583][ T10] [ 1671.355730][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1671.355730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1671.355730][ T10] ipv6_find_idev+0x102/0x170 [ 1671.355730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.355730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.355730][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.355730][ T10] netlink_unicast+0x449/0x710 [ 1671.355730][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.355730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.355730][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.355730][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.355730][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.355730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.355730][ T10] [ 1671.357383][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1671.357383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1671.357383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1671.357383][ T10] ipv6_find_idev+0x102/0x170 [ 1671.357383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.357383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.357383][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.357383][ T10] netlink_unicast+0x449/0x710 [ 1671.357383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.357383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.357383][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.357383][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.357383][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.357383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.357383][ T10] [ 1671.359121][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1671.359391][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1671.359391][ T10] netdev_get_by_index+0x5e/0x80 [ 1671.359391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1671.359391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1671.359391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1671.359391][ T10] ipv6_add_addr+0x411/0x2000 [ 1671.359391][ T10] inet6_addr_add+0x30e/0xa40 [ 1671.359391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1671.359391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.359391][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.359391][ T10] netlink_unicast+0x449/0x710 [ 1671.359391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.359391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.359391][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.359391][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.359391][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.359391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.359391][ T10] [ 1671.361447][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1671.361447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1671.361447][ T10] ipv6_find_idev+0x102/0x170 [ 1671.361447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.361447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.361447][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.361447][ T10] netlink_unicast+0x449/0x710 [ 1671.361447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.361447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.361447][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.361447][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.361447][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.361447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.361447][ T10] [ 1671.363024][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1671.363024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1671.363024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1671.363024][ T10] ipv6_find_idev+0x102/0x170 [ 1671.363024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.363024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.363024][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.363024][ T10] netlink_unicast+0x449/0x710 [ 1671.363024][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.363024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.363024][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.363024][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.363024][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.363024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.363024][ T10] [ 1671.364727][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1671.364998][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1671.364998][ T10] netdev_get_by_index+0x5e/0x80 [ 1671.364998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1671.364998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1671.364998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1671.364998][ T10] ipv6_add_addr+0x411/0x2000 [ 1671.364998][ T10] inet6_addr_add+0x30e/0xa40 [ 1671.364998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1671.364998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.364998][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.364998][ T10] netlink_unicast+0x449/0x710 [ 1671.364998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.364998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.364998][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.364998][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.364998][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.364998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.364998][ T10] [ 1671.367057][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1671.367057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1671.367057][ T10] ipv6_find_idev+0x102/0x170 [ 1671.367057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.367057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.367057][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.367057][ T10] netlink_unicast+0x449/0x710 [ 1671.367057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.367057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.367057][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.367057][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.367057][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.367057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.367057][ T10] [ 1671.368796][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1671.368796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1671.368796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1671.368796][ T10] ipv6_find_idev+0x102/0x170 [ 1671.368796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.368796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.368796][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.368796][ T10] netlink_unicast+0x449/0x710 [ 1671.368796][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.368796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.368796][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.368796][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.368796][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.368796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.368796][ T10] [ 1671.370814][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1671.371075][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1671.371075][ T10] netdev_get_by_index+0x5e/0x80 [ 1671.371075][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1671.371075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1671.371075][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1671.371075][ T10] ipv6_add_addr+0x411/0x2000 [ 1671.371075][ T10] inet6_addr_add+0x30e/0xa40 [ 1671.371075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1671.371075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.371075][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.371075][ T10] netlink_unicast+0x449/0x710 [ 1671.371075][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.371075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.371075][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.371075][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.371075][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.371075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.371075][ T10] [ 1671.373283][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1671.373283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1671.373283][ T10] ipv6_find_idev+0x102/0x170 [ 1671.373283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.373283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.373283][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.373283][ T10] netlink_unicast+0x449/0x710 [ 1671.373283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.373283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.373283][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.373283][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.373283][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.373283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.373283][ T10] [ 1671.375017][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1671.375017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1671.375017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1671.375017][ T10] ipv6_find_idev+0x102/0x170 [ 1671.375017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.375017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.375017][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.375017][ T10] netlink_unicast+0x449/0x710 [ 1671.375017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.375017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.375017][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.375017][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.375017][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.375017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.375017][ T10] [ 1671.376965][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1671.377735][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1671.377735][ T10] netdev_get_by_index+0x5e/0x80 [ 1671.377735][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1671.377735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1671.377735][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1671.377735][ T10] ipv6_add_addr+0x411/0x2000 [ 1671.377735][ T10] inet6_addr_add+0x30e/0xa40 [ 1671.377735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1671.377735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.377735][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.377735][ T10] netlink_unicast+0x449/0x710 [ 1671.377735][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.377735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.377735][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.377735][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.377735][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.377735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.377735][ T10] [ 1671.379749][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1671.379749][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1671.379749][ T10] ipv6_find_idev+0x102/0x170 [ 1671.379749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.379749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.379749][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.379749][ T10] netlink_unicast+0x449/0x710 [ 1671.379749][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.379749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.379749][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.379749][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.379749][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.379749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.379749][ T10] [ 1671.381373][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1671.381373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1671.381373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1671.381373][ T10] ipv6_find_idev+0x102/0x170 [ 1671.381373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.381373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.381373][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.381373][ T10] netlink_unicast+0x449/0x710 [ 1671.381373][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.381373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.381373][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.381373][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.381373][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.381373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.381373][ T10] [ 1671.383259][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1671.383529][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1671.383529][ T10] netdev_get_by_index+0x5e/0x80 [ 1671.383529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1671.383529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1671.383529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1671.383529][ T10] ipv6_add_addr+0x411/0x2000 [ 1671.383529][ T10] inet6_addr_add+0x30e/0xa40 [ 1671.383529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1671.383529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.383529][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.383529][ T10] netlink_unicast+0x449/0x710 [ 1671.383529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.383529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.383529][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.383529][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.383529][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.383529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.383529][ T10] [ 1671.385684][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1671.385684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1671.385684][ T10] ipv6_find_idev+0x102/0x170 [ 1671.385684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.385684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.385684][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.385684][ T10] netlink_unicast+0x449/0x710 [ 1671.385684][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.385684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.385684][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.385684][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.385684][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.385684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.385684][ T10] [ 1671.387481][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1671.387481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1671.387481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1671.387481][ T10] ipv6_find_idev+0x102/0x170 [ 1671.387481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.387481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.387481][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.387481][ T10] netlink_unicast+0x449/0x710 [ 1671.387481][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.387481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.387481][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.387481][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.387481][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.387481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.387481][ T10] [ 1671.389367][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1671.389636][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1671.389636][ T10] netdev_get_by_index+0x5e/0x80 [ 1671.389636][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1671.389636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1671.389636][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1671.389636][ T10] ipv6_add_addr+0x411/0x2000 [ 1671.389636][ T10] inet6_addr_add+0x30e/0xa40 [ 1671.389636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1671.389636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.389636][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.389636][ T10] netlink_unicast+0x449/0x710 [ 1671.389636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.389636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.389636][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.389636][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.389636][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.389636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.389636][ T10] [ 1671.391752][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1671.391752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1671.391752][ T10] ipv6_find_idev+0x102/0x170 [ 1671.391752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.391752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.391752][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.391752][ T10] netlink_unicast+0x449/0x710 [ 1671.391752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.391752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.391752][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.391752][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.391752][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.391752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.391752][ T10] [ 1671.393525][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1671.393525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1671.393525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1671.393525][ T10] ipv6_find_idev+0x102/0x170 [ 1671.393525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.393525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.393525][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.393525][ T10] netlink_unicast+0x449/0x710 [ 1671.393525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.393525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.393525][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.393525][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.393525][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.393525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.393525][ T10] [ 1671.395592][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1671.395987][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1671.395987][ T10] netdev_get_by_index+0x5e/0x80 [ 1671.395987][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1671.395987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1671.395987][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1671.395987][ T10] ipv6_add_addr+0x411/0x2000 [ 1671.395987][ T10] inet6_addr_add+0x30e/0xa40 [ 1671.395987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1671.395987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.395987][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.395987][ T10] netlink_unicast+0x449/0x710 [ 1671.395987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.395987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.395987][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.395987][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.395987][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.395987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.395987][ T10] [ 1671.398433][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1671.398433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1671.398433][ T10] ipv6_find_idev+0x102/0x170 [ 1671.398433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.398433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.398433][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.398433][ T10] netlink_unicast+0x449/0x710 [ 1671.398433][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.398433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.398433][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.398433][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.398433][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.398433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.398433][ T10] [ 1671.400046][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1671.400046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1671.400046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1671.400046][ T10] ipv6_find_idev+0x102/0x170 [ 1671.400046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1671.400046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1671.400046][ T10] netlink_rcv_skb+0x130/0x360 [ 1671.400046][ T10] netlink_unicast+0x449/0x710 [ 1671.400046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1671.400046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1671.400046][ T10] ___sys_sendmsg+0xee/0x170 [ 1671.400046][ T10] __sys_sendmsg+0xcd/0x170 [ 1671.400046][ T10] do_syscall_64+0xc6/0x1e0 [ 1671.400046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1671.400046][ T10] [ 1681.480320][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1681.481064][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1681.481064][ T10] netdev_get_by_index+0x5e/0x80 [ 1681.481064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1681.481064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1681.481064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1681.481064][ T10] ipv6_add_addr+0x411/0x2000 [ 1681.481064][ T10] inet6_addr_add+0x30e/0xa40 [ 1681.481064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1681.481064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.481064][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.481064][ T10] netlink_unicast+0x449/0x710 [ 1681.481064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.481064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.481064][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.481064][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.481064][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.481064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.481064][ T10] [ 1681.483388][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1681.483388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1681.483388][ T10] ipv6_find_idev+0x102/0x170 [ 1681.483388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.483388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.483388][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.483388][ T10] netlink_unicast+0x449/0x710 [ 1681.483388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.483388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.483388][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.483388][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.483388][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.483388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.483388][ T10] [ 1681.485170][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1681.485170][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1681.485170][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1681.485170][ T10] ipv6_find_idev+0x102/0x170 [ 1681.485170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.485170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.485170][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.485170][ T10] netlink_unicast+0x449/0x710 [ 1681.485170][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.485170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.485170][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.485170][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.485170][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.485170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.485170][ T10] [ 1681.487113][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1681.487430][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1681.487430][ T10] netdev_get_by_index+0x5e/0x80 [ 1681.487430][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1681.487430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1681.487430][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1681.487430][ T10] ipv6_add_addr+0x411/0x2000 [ 1681.487430][ T10] inet6_addr_add+0x30e/0xa40 [ 1681.487430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1681.487430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.487430][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.487430][ T10] netlink_unicast+0x449/0x710 [ 1681.487430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.487430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.487430][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.487430][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.487430][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.487430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.487430][ T10] [ 1681.489696][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1681.489696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1681.489696][ T10] ipv6_find_idev+0x102/0x170 [ 1681.489696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.489696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.489696][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.489696][ T10] netlink_unicast+0x449/0x710 [ 1681.489696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.489696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.489696][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.489696][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.489696][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.489696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.489696][ T10] [ 1681.491479][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1681.491479][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1681.491479][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1681.491479][ T10] ipv6_find_idev+0x102/0x170 [ 1681.491479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.491479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.491479][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.491479][ T10] netlink_unicast+0x449/0x710 [ 1681.491479][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.491479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.491479][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.491479][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.491479][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.491479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.491479][ T10] [ 1681.493355][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1681.493658][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1681.493658][ T10] netdev_get_by_index+0x5e/0x80 [ 1681.493658][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1681.493658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1681.493658][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1681.493658][ T10] ipv6_add_addr+0x411/0x2000 [ 1681.493658][ T10] inet6_addr_add+0x30e/0xa40 [ 1681.493658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1681.493658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.493658][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.493658][ T10] netlink_unicast+0x449/0x710 [ 1681.493658][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.493658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.493658][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.493658][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.493658][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.493658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.493658][ T10] [ 1681.495908][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1681.495908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1681.495908][ T10] ipv6_find_idev+0x102/0x170 [ 1681.495908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.495908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.495908][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.495908][ T10] netlink_unicast+0x449/0x710 [ 1681.495908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.495908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.495908][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.495908][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.495908][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.495908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.495908][ T10] [ 1681.497640][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1681.497640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1681.497640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1681.497640][ T10] ipv6_find_idev+0x102/0x170 [ 1681.497640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.497640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.497640][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.497640][ T10] netlink_unicast+0x449/0x710 [ 1681.497640][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.497640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.497640][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.497640][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.497640][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.497640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.497640][ T10] [ 1681.499551][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1681.499865][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1681.499865][ T10] netdev_get_by_index+0x5e/0x80 [ 1681.499865][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1681.499865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1681.499865][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1681.499865][ T10] ipv6_add_addr+0x411/0x2000 [ 1681.499865][ T10] inet6_addr_add+0x30e/0xa40 [ 1681.499865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1681.499865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.499865][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.499865][ T10] netlink_unicast+0x449/0x710 [ 1681.499865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.499865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.499865][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.499865][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.499865][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.499865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.499865][ T10] [ 1681.502119][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1681.502119][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1681.502119][ T10] ipv6_find_idev+0x102/0x170 [ 1681.502119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.502119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.502119][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.502119][ T10] netlink_unicast+0x449/0x710 [ 1681.502119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.502119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.502119][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.502119][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.502119][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.502119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.502119][ T10] [ 1681.503840][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1681.503840][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1681.503840][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1681.503840][ T10] ipv6_find_idev+0x102/0x170 [ 1681.503840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.503840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.503840][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.503840][ T10] netlink_unicast+0x449/0x710 [ 1681.503840][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.503840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.503840][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.503840][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.503840][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.503840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.503840][ T10] [ 1681.505689][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1681.505982][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1681.505982][ T10] netdev_get_by_index+0x5e/0x80 [ 1681.505982][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1681.505982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1681.505982][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1681.505982][ T10] ipv6_add_addr+0x411/0x2000 [ 1681.505982][ T10] inet6_addr_add+0x30e/0xa40 [ 1681.505982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1681.505982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.505982][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.505982][ T10] netlink_unicast+0x449/0x710 [ 1681.505982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.505982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.505982][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.505982][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.505982][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.505982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.505982][ T10] [ 1681.508214][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1681.508214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1681.508214][ T10] ipv6_find_idev+0x102/0x170 [ 1681.508214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.508214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.508214][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.508214][ T10] netlink_unicast+0x449/0x710 [ 1681.508214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.508214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.508214][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.508214][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.508214][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.508214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.508214][ T10] [ 1681.509999][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1681.509999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1681.509999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1681.509999][ T10] ipv6_find_idev+0x102/0x170 [ 1681.509999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.509999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.509999][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.509999][ T10] netlink_unicast+0x449/0x710 [ 1681.509999][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.509999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.509999][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.509999][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.509999][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.509999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.509999][ T10] [ 1681.512129][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1681.512468][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1681.512468][ T10] netdev_get_by_index+0x5e/0x80 [ 1681.512468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1681.512468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1681.512468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1681.512468][ T10] ipv6_add_addr+0x411/0x2000 [ 1681.512468][ T10] inet6_addr_add+0x30e/0xa40 [ 1681.512468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1681.512468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.512468][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.512468][ T10] netlink_unicast+0x449/0x710 [ 1681.512468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.512468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.512468][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.512468][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.512468][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.512468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.512468][ T10] [ 1681.514869][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1681.514869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1681.514869][ T10] ipv6_find_idev+0x102/0x170 [ 1681.514869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.514869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.514869][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.514869][ T10] netlink_unicast+0x449/0x710 [ 1681.514869][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.514869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.514869][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.514869][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.514869][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.514869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.514869][ T10] [ 1681.516782][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1681.516782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1681.516782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1681.516782][ T10] ipv6_find_idev+0x102/0x170 [ 1681.516782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.516782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.516782][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.516782][ T10] netlink_unicast+0x449/0x710 [ 1681.516782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.516782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.516782][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.516782][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.516782][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.516782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.516782][ T10] [ 1681.518908][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1681.519258][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1681.519258][ T10] netdev_get_by_index+0x5e/0x80 [ 1681.519258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1681.519258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1681.519258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1681.519258][ T10] ipv6_add_addr+0x411/0x2000 [ 1681.519258][ T10] inet6_addr_add+0x30e/0xa40 [ 1681.519258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1681.519258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.519258][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.519258][ T10] netlink_unicast+0x449/0x710 [ 1681.519258][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.519258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.519258][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.519258][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.519258][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.519258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.519258][ T10] [ 1681.521672][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1681.521672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1681.521672][ T10] ipv6_find_idev+0x102/0x170 [ 1681.521672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.521672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.521672][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.521672][ T10] netlink_unicast+0x449/0x710 [ 1681.521672][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.521672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.521672][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.521672][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.521672][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.521672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.521672][ T10] [ 1681.523639][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1681.523639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1681.523639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1681.523639][ T10] ipv6_find_idev+0x102/0x170 [ 1681.523639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.523639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.523639][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.523639][ T10] netlink_unicast+0x449/0x710 [ 1681.523639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.523639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.523639][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.523639][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.523639][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.523639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.523639][ T10] [ 1681.525844][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1681.526197][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1681.526197][ T10] netdev_get_by_index+0x5e/0x80 [ 1681.526197][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1681.526197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1681.526197][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1681.526197][ T10] ipv6_add_addr+0x411/0x2000 [ 1681.526197][ T10] inet6_addr_add+0x30e/0xa40 [ 1681.526197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1681.526197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.526197][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.526197][ T10] netlink_unicast+0x449/0x710 [ 1681.526197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.526197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.526197][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.526197][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.526197][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.526197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.526197][ T10] [ 1681.528641][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1681.528641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1681.528641][ T10] ipv6_find_idev+0x102/0x170 [ 1681.528641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.528641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.528641][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.528641][ T10] netlink_unicast+0x449/0x710 [ 1681.528641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.528641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.528641][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.528641][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.528641][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.528641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.528641][ T10] [ 1681.530523][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1681.530523][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1681.530523][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1681.530523][ T10] ipv6_find_idev+0x102/0x170 [ 1681.530523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1681.530523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1681.530523][ T10] netlink_rcv_skb+0x130/0x360 [ 1681.530523][ T10] netlink_unicast+0x449/0x710 [ 1681.530523][ T10] netlink_sendmsg+0x723/0xbe0 [ 1681.530523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1681.530523][ T10] ___sys_sendmsg+0xee/0x170 [ 1681.530523][ T10] __sys_sendmsg+0xcd/0x170 [ 1681.530523][ T10] do_syscall_64+0xc6/0x1e0 [ 1681.530523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1681.530523][ T10] [ 1691.640260][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1691.640934][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1691.640934][ T10] netdev_get_by_index+0x5e/0x80 [ 1691.640934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1691.640934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1691.640934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1691.640934][ T10] ipv6_add_addr+0x411/0x2000 [ 1691.640934][ T10] inet6_addr_add+0x30e/0xa40 [ 1691.640934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1691.640934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.640934][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.640934][ T10] netlink_unicast+0x449/0x710 [ 1691.640934][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.640934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.640934][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.640934][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.640934][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.640934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.640934][ T10] [ 1691.643289][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1691.643289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1691.643289][ T10] ipv6_find_idev+0x102/0x170 [ 1691.643289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.643289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.643289][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.643289][ T10] netlink_unicast+0x449/0x710 [ 1691.643289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.643289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.643289][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.643289][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.643289][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.643289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.643289][ T10] [ 1691.645109][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1691.645109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1691.645109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1691.645109][ T10] ipv6_find_idev+0x102/0x170 [ 1691.645109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.645109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.645109][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.645109][ T10] netlink_unicast+0x449/0x710 [ 1691.645109][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.645109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.645109][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.645109][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.645109][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.645109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.645109][ T10] [ 1691.647031][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1691.647340][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1691.647340][ T10] netdev_get_by_index+0x5e/0x80 [ 1691.647340][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1691.647340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1691.647340][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1691.647340][ T10] ipv6_add_addr+0x411/0x2000 [ 1691.647340][ T10] inet6_addr_add+0x30e/0xa40 [ 1691.647340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1691.647340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.647340][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.647340][ T10] netlink_unicast+0x449/0x710 [ 1691.647340][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.647340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.647340][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.647340][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.647340][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.647340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.647340][ T10] [ 1691.649664][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1691.649664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1691.649664][ T10] ipv6_find_idev+0x102/0x170 [ 1691.649664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.649664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.649664][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.649664][ T10] netlink_unicast+0x449/0x710 [ 1691.649664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.649664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.649664][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.649664][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.649664][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.649664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.649664][ T10] [ 1691.651487][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1691.651487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1691.651487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1691.651487][ T10] ipv6_find_idev+0x102/0x170 [ 1691.651487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.651487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.651487][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.651487][ T10] netlink_unicast+0x449/0x710 [ 1691.651487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.651487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.651487][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.651487][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.651487][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.651487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.651487][ T10] [ 1691.653418][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1691.653724][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1691.653724][ T10] netdev_get_by_index+0x5e/0x80 [ 1691.653724][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1691.653724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1691.653724][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1691.653724][ T10] ipv6_add_addr+0x411/0x2000 [ 1691.653724][ T10] inet6_addr_add+0x30e/0xa40 [ 1691.653724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1691.653724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.653724][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.653724][ T10] netlink_unicast+0x449/0x710 [ 1691.653724][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.653724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.653724][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.653724][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.653724][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.653724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.653724][ T10] [ 1691.656037][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1691.656037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1691.656037][ T10] ipv6_find_idev+0x102/0x170 [ 1691.656037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.656037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.656037][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.656037][ T10] netlink_unicast+0x449/0x710 [ 1691.656037][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.656037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.656037][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.656037][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.656037][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.656037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.656037][ T10] [ 1691.657847][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1691.657847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1691.657847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1691.657847][ T10] ipv6_find_idev+0x102/0x170 [ 1691.657847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.657847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.657847][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.657847][ T10] netlink_unicast+0x449/0x710 [ 1691.657847][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.657847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.657847][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.657847][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.657847][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.657847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.657847][ T10] [ 1691.659806][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1691.660111][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1691.660111][ T10] netdev_get_by_index+0x5e/0x80 [ 1691.660111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1691.660111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1691.660111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1691.660111][ T10] ipv6_add_addr+0x411/0x2000 [ 1691.660111][ T10] inet6_addr_add+0x30e/0xa40 [ 1691.660111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1691.660111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.660111][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.660111][ T10] netlink_unicast+0x449/0x710 [ 1691.660111][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.660111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.660111][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.660111][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.660111][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.660111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.660111][ T10] [ 1691.662419][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1691.662419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1691.662419][ T10] ipv6_find_idev+0x102/0x170 [ 1691.662419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.662419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.662419][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.662419][ T10] netlink_unicast+0x449/0x710 [ 1691.662419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.662419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.662419][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.662419][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.662419][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.662419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.662419][ T10] [ 1691.664291][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1691.664291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1691.664291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1691.664291][ T10] ipv6_find_idev+0x102/0x170 [ 1691.664291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.664291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.664291][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.664291][ T10] netlink_unicast+0x449/0x710 [ 1691.664291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.664291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.664291][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.664291][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.664291][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.664291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.664291][ T10] [ 1691.666208][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1691.666517][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1691.666517][ T10] netdev_get_by_index+0x5e/0x80 [ 1691.666517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1691.666517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1691.666517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1691.666517][ T10] ipv6_add_addr+0x411/0x2000 [ 1691.666517][ T10] inet6_addr_add+0x30e/0xa40 [ 1691.666517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1691.666517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.666517][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.666517][ T10] netlink_unicast+0x449/0x710 [ 1691.666517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.666517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.666517][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.666517][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.666517][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.666517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.666517][ T10] [ 1691.668801][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1691.668801][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1691.668801][ T10] ipv6_find_idev+0x102/0x170 [ 1691.668801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.668801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.668801][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.668801][ T10] netlink_unicast+0x449/0x710 [ 1691.668801][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.668801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.668801][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.668801][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.668801][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.668801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.668801][ T10] [ 1691.670582][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1691.670582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1691.670582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1691.670582][ T10] ipv6_find_idev+0x102/0x170 [ 1691.670582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.670582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.670582][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.670582][ T10] netlink_unicast+0x449/0x710 [ 1691.670582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.670582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.670582][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.670582][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.670582][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.670582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.670582][ T10] [ 1691.672933][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1691.673678][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1691.673678][ T10] netdev_get_by_index+0x5e/0x80 [ 1691.673678][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1691.673678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1691.673678][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1691.673678][ T10] ipv6_add_addr+0x411/0x2000 [ 1691.673678][ T10] inet6_addr_add+0x30e/0xa40 [ 1691.673678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1691.673678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.673678][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.673678][ T10] netlink_unicast+0x449/0x710 [ 1691.673678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.673678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.673678][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.673678][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.673678][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.673678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.673678][ T10] [ 1691.675981][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1691.675981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1691.675981][ T10] ipv6_find_idev+0x102/0x170 [ 1691.675981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.675981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.675981][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.675981][ T10] netlink_unicast+0x449/0x710 [ 1691.675981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.675981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.675981][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.675981][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.675981][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.675981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.675981][ T10] [ 1691.677757][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1691.677757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1691.677757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1691.677757][ T10] ipv6_find_idev+0x102/0x170 [ 1691.677757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.677757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.677757][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.677757][ T10] netlink_unicast+0x449/0x710 [ 1691.677757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.677757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.677757][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.677757][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.677757][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.677757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.677757][ T10] [ 1691.679841][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1691.680278][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1691.680278][ T10] netdev_get_by_index+0x5e/0x80 [ 1691.680278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1691.680278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1691.680278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1691.680278][ T10] ipv6_add_addr+0x411/0x2000 [ 1691.680278][ T10] inet6_addr_add+0x30e/0xa40 [ 1691.680278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1691.680278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.680278][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.680278][ T10] netlink_unicast+0x449/0x710 [ 1691.680278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.680278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.680278][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.680278][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.680278][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.680278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.680278][ T10] [ 1691.682561][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1691.682561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1691.682561][ T10] ipv6_find_idev+0x102/0x170 [ 1691.682561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.682561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.682561][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.682561][ T10] netlink_unicast+0x449/0x710 [ 1691.682561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.682561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.682561][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.682561][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.682561][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.682561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.682561][ T10] [ 1691.684432][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1691.684432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1691.684432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1691.684432][ T10] ipv6_find_idev+0x102/0x170 [ 1691.684432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.684432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.684432][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.684432][ T10] netlink_unicast+0x449/0x710 [ 1691.684432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.684432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.684432][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.684432][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.684432][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.684432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.684432][ T10] [ 1691.686645][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1691.686986][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1691.686986][ T10] netdev_get_by_index+0x5e/0x80 [ 1691.686986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1691.686986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1691.686986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1691.686986][ T10] ipv6_add_addr+0x411/0x2000 [ 1691.686986][ T10] inet6_addr_add+0x30e/0xa40 [ 1691.686986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1691.686986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.686986][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.686986][ T10] netlink_unicast+0x449/0x710 [ 1691.686986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.686986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.686986][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.686986][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.686986][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.686986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.686986][ T10] [ 1691.689313][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1691.689313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1691.689313][ T10] ipv6_find_idev+0x102/0x170 [ 1691.689313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.689313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.689313][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.689313][ T10] netlink_unicast+0x449/0x710 [ 1691.689313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.689313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.689313][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.689313][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.689313][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.689313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.689313][ T10] [ 1691.691133][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1691.691133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1691.691133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1691.691133][ T10] ipv6_find_idev+0x102/0x170 [ 1691.691133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1691.691133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1691.691133][ T10] netlink_rcv_skb+0x130/0x360 [ 1691.691133][ T10] netlink_unicast+0x449/0x710 [ 1691.691133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1691.691133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1691.691133][ T10] ___sys_sendmsg+0xee/0x170 [ 1691.691133][ T10] __sys_sendmsg+0xcd/0x170 [ 1691.691133][ T10] do_syscall_64+0xc6/0x1e0 [ 1691.691133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1691.691133][ T10] [ 1701.800229][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1701.800676][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1701.800676][ T10] netdev_get_by_index+0x5e/0x80 [ 1701.800676][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1701.800676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1701.800676][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1701.800676][ T10] ipv6_add_addr+0x411/0x2000 [ 1701.800676][ T10] inet6_addr_add+0x30e/0xa40 [ 1701.800676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1701.800676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.800676][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.800676][ T10] netlink_unicast+0x449/0x710 [ 1701.800676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.800676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.800676][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.800676][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.800676][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.800676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.800676][ T10] [ 1701.802798][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1701.802798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1701.802798][ T10] ipv6_find_idev+0x102/0x170 [ 1701.802798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.802798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.802798][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.802798][ T10] netlink_unicast+0x449/0x710 [ 1701.802798][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.802798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.802798][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.802798][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.802798][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.802798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.802798][ T10] [ 1701.804368][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1701.804368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1701.804368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1701.804368][ T10] ipv6_find_idev+0x102/0x170 [ 1701.804368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.804368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.804368][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.804368][ T10] netlink_unicast+0x449/0x710 [ 1701.804368][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.804368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.804368][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.804368][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.804368][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.804368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.804368][ T10] [ 1701.806120][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1701.806402][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1701.806402][ T10] netdev_get_by_index+0x5e/0x80 [ 1701.806402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1701.806402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1701.806402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1701.806402][ T10] ipv6_add_addr+0x411/0x2000 [ 1701.806402][ T10] inet6_addr_add+0x30e/0xa40 [ 1701.806402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1701.806402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.806402][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.806402][ T10] netlink_unicast+0x449/0x710 [ 1701.806402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.806402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.806402][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.806402][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.806402][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.806402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.806402][ T10] [ 1701.808439][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1701.808439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1701.808439][ T10] ipv6_find_idev+0x102/0x170 [ 1701.808439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.808439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.808439][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.808439][ T10] netlink_unicast+0x449/0x710 [ 1701.808439][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.808439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.808439][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.808439][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.808439][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.808439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.808439][ T10] [ 1701.809985][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1701.809985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1701.809985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1701.809985][ T10] ipv6_find_idev+0x102/0x170 [ 1701.809985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.809985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.809985][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.809985][ T10] netlink_unicast+0x449/0x710 [ 1701.809985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.809985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.809985][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.809985][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.809985][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.809985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.809985][ T10] [ 1701.811646][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1701.811934][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1701.811934][ T10] netdev_get_by_index+0x5e/0x80 [ 1701.811934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1701.811934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1701.811934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1701.811934][ T10] ipv6_add_addr+0x411/0x2000 [ 1701.811934][ T10] inet6_addr_add+0x30e/0xa40 [ 1701.811934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1701.811934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.811934][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.811934][ T10] netlink_unicast+0x449/0x710 [ 1701.811934][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.811934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.811934][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.811934][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.811934][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.811934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.811934][ T10] [ 1701.813918][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1701.813918][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1701.813918][ T10] ipv6_find_idev+0x102/0x170 [ 1701.813918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.813918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.813918][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.813918][ T10] netlink_unicast+0x449/0x710 [ 1701.813918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.813918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.813918][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.813918][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.813918][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.813918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.813918][ T10] [ 1701.815436][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1701.815436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1701.815436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1701.815436][ T10] ipv6_find_idev+0x102/0x170 [ 1701.815436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.815436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.815436][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.815436][ T10] netlink_unicast+0x449/0x710 [ 1701.815436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.815436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.815436][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.815436][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.815436][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.815436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.815436][ T10] [ 1701.817110][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1701.817395][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1701.817395][ T10] netdev_get_by_index+0x5e/0x80 [ 1701.817395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1701.817395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1701.817395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1701.817395][ T10] ipv6_add_addr+0x411/0x2000 [ 1701.817395][ T10] inet6_addr_add+0x30e/0xa40 [ 1701.817395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1701.817395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.817395][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.817395][ T10] netlink_unicast+0x449/0x710 [ 1701.817395][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.817395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.817395][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.817395][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.817395][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.817395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.817395][ T10] [ 1701.819383][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1701.819383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1701.819383][ T10] ipv6_find_idev+0x102/0x170 [ 1701.819383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.819383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.819383][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.819383][ T10] netlink_unicast+0x449/0x710 [ 1701.819383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.819383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.819383][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.819383][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.819383][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.819383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.819383][ T10] [ 1701.820893][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1701.820893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1701.820893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1701.820893][ T10] ipv6_find_idev+0x102/0x170 [ 1701.820893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.820893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.820893][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.820893][ T10] netlink_unicast+0x449/0x710 [ 1701.820893][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.820893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.820893][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.820893][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.820893][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.820893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.820893][ T10] [ 1701.822958][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1701.823586][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1701.823586][ T10] netdev_get_by_index+0x5e/0x80 [ 1701.823586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1701.823586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1701.823586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1701.823586][ T10] ipv6_add_addr+0x411/0x2000 [ 1701.823586][ T10] inet6_addr_add+0x30e/0xa40 [ 1701.823586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1701.823586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.823586][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.823586][ T10] netlink_unicast+0x449/0x710 [ 1701.823586][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.823586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.823586][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.823586][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.823586][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.823586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.823586][ T10] [ 1701.825591][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1701.825591][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1701.825591][ T10] ipv6_find_idev+0x102/0x170 [ 1701.825591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.825591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.825591][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.825591][ T10] netlink_unicast+0x449/0x710 [ 1701.825591][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.825591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.825591][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.825591][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.825591][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.825591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.825591][ T10] [ 1701.827148][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1701.827148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1701.827148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1701.827148][ T10] ipv6_find_idev+0x102/0x170 [ 1701.827148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.827148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.827148][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.827148][ T10] netlink_unicast+0x449/0x710 [ 1701.827148][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.827148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.827148][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.827148][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.827148][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.827148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.827148][ T10] [ 1701.828847][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1701.829108][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1701.829108][ T10] netdev_get_by_index+0x5e/0x80 [ 1701.829108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1701.829108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1701.829108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1701.829108][ T10] ipv6_add_addr+0x411/0x2000 [ 1701.829108][ T10] inet6_addr_add+0x30e/0xa40 [ 1701.829108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1701.829108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.829108][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.829108][ T10] netlink_unicast+0x449/0x710 [ 1701.829108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.829108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.829108][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.829108][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.829108][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.829108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.829108][ T10] [ 1701.831107][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1701.831107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1701.831107][ T10] ipv6_find_idev+0x102/0x170 [ 1701.831107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.831107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.831107][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.831107][ T10] netlink_unicast+0x449/0x710 [ 1701.831107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.831107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.831107][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.831107][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.831107][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.831107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.831107][ T10] [ 1701.832711][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1701.832711][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1701.832711][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1701.832711][ T10] ipv6_find_idev+0x102/0x170 [ 1701.832711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.832711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.832711][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.832711][ T10] netlink_unicast+0x449/0x710 [ 1701.832711][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.832711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.832711][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.832711][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.832711][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.832711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.832711][ T10] [ 1701.834692][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1701.834955][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1701.834955][ T10] netdev_get_by_index+0x5e/0x80 [ 1701.834955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1701.834955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1701.834955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1701.834955][ T10] ipv6_add_addr+0x411/0x2000 [ 1701.834955][ T10] inet6_addr_add+0x30e/0xa40 [ 1701.834955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1701.834955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.834955][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.834955][ T10] netlink_unicast+0x449/0x710 [ 1701.834955][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.834955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.834955][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.834955][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.834955][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.834955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.834955][ T10] [ 1701.837161][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1701.837161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1701.837161][ T10] ipv6_find_idev+0x102/0x170 [ 1701.837161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.837161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.837161][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.837161][ T10] netlink_unicast+0x449/0x710 [ 1701.837161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.837161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.837161][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.837161][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.837161][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.837161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.837161][ T10] [ 1701.838873][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1701.838873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1701.838873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1701.838873][ T10] ipv6_find_idev+0x102/0x170 [ 1701.838873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.838873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.838873][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.838873][ T10] netlink_unicast+0x449/0x710 [ 1701.838873][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.838873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.838873][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.838873][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.838873][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.838873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.838873][ T10] [ 1701.840767][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1701.841028][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1701.841028][ T10] netdev_get_by_index+0x5e/0x80 [ 1701.841028][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1701.841028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1701.841028][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1701.841028][ T10] ipv6_add_addr+0x411/0x2000 [ 1701.841028][ T10] inet6_addr_add+0x30e/0xa40 [ 1701.841028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1701.841028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.841028][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.841028][ T10] netlink_unicast+0x449/0x710 [ 1701.841028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.841028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.841028][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.841028][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.841028][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.841028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.841028][ T10] [ 1701.843258][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1701.843258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1701.843258][ T10] ipv6_find_idev+0x102/0x170 [ 1701.843258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.843258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.843258][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.843258][ T10] netlink_unicast+0x449/0x710 [ 1701.843258][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.843258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.843258][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.843258][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.843258][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.843258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.843258][ T10] [ 1701.844990][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1701.844990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1701.844990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1701.844990][ T10] ipv6_find_idev+0x102/0x170 [ 1701.844990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1701.844990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1701.844990][ T10] netlink_rcv_skb+0x130/0x360 [ 1701.844990][ T10] netlink_unicast+0x449/0x710 [ 1701.844990][ T10] netlink_sendmsg+0x723/0xbe0 [ 1701.844990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1701.844990][ T10] ___sys_sendmsg+0xee/0x170 [ 1701.844990][ T10] __sys_sendmsg+0xcd/0x170 [ 1701.844990][ T10] do_syscall_64+0xc6/0x1e0 [ 1701.844990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1701.844990][ T10] [ 1711.977119][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1711.977449][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1711.977449][ T10] netdev_get_by_index+0x5e/0x80 [ 1711.977449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1711.977449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1711.977449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1711.977449][ T10] ipv6_add_addr+0x411/0x2000 [ 1711.977449][ T10] inet6_addr_add+0x30e/0xa40 [ 1711.977449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1711.977449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.977449][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.977449][ T10] netlink_unicast+0x449/0x710 [ 1711.977449][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.977449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.977449][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.977449][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.977449][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.977449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.977449][ T10] [ 1711.979507][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1711.979507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1711.979507][ T10] ipv6_find_idev+0x102/0x170 [ 1711.979507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1711.979507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.979507][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.979507][ T10] netlink_unicast+0x449/0x710 [ 1711.979507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.979507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.979507][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.979507][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.979507][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.979507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.979507][ T10] [ 1711.981133][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1711.981133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1711.981133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1711.981133][ T10] ipv6_find_idev+0x102/0x170 [ 1711.981133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1711.981133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.981133][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.981133][ T10] netlink_unicast+0x449/0x710 [ 1711.981133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.981133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.981133][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.981133][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.981133][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.981133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.981133][ T10] [ 1711.982910][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1711.983203][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1711.983203][ T10] netdev_get_by_index+0x5e/0x80 [ 1711.983203][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1711.983203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1711.983203][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1711.983203][ T10] ipv6_add_addr+0x411/0x2000 [ 1711.983203][ T10] inet6_addr_add+0x30e/0xa40 [ 1711.983203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1711.983203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.983203][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.983203][ T10] netlink_unicast+0x449/0x710 [ 1711.983203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.983203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.983203][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.983203][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.983203][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.983203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.983203][ T10] [ 1711.985412][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1711.985412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1711.985412][ T10] ipv6_find_idev+0x102/0x170 [ 1711.985412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1711.985412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.985412][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.985412][ T10] netlink_unicast+0x449/0x710 [ 1711.985412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.985412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.985412][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.985412][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.985412][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.985412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.985412][ T10] [ 1711.987264][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1711.987264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1711.987264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1711.987264][ T10] ipv6_find_idev+0x102/0x170 [ 1711.987264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1711.987264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.987264][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.987264][ T10] netlink_unicast+0x449/0x710 [ 1711.987264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.987264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.987264][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.987264][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.987264][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.987264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.987264][ T10] [ 1711.989158][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1711.989519][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1711.989519][ T10] netdev_get_by_index+0x5e/0x80 [ 1711.989519][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1711.989519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1711.989519][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1711.989519][ T10] ipv6_add_addr+0x411/0x2000 [ 1711.989519][ T10] inet6_addr_add+0x30e/0xa40 [ 1711.989519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1711.989519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.989519][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.989519][ T10] netlink_unicast+0x449/0x710 [ 1711.989519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.989519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.989519][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.989519][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.989519][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.989519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.989519][ T10] [ 1711.991604][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1711.991604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1711.991604][ T10] ipv6_find_idev+0x102/0x170 [ 1711.991604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1711.991604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.991604][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.991604][ T10] netlink_unicast+0x449/0x710 [ 1711.991604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.991604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.991604][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.991604][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.991604][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.991604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.991604][ T10] [ 1711.993215][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1711.993215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1711.993215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1711.993215][ T10] ipv6_find_idev+0x102/0x170 [ 1711.993215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1711.993215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.993215][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.993215][ T10] netlink_unicast+0x449/0x710 [ 1711.993215][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.993215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.993215][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.993215][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.993215][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.993215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.993215][ T10] [ 1711.994920][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1711.995204][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1711.995204][ T10] netdev_get_by_index+0x5e/0x80 [ 1711.995204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1711.995204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1711.995204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1711.995204][ T10] ipv6_add_addr+0x411/0x2000 [ 1711.995204][ T10] inet6_addr_add+0x30e/0xa40 [ 1711.995204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1711.995204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.995204][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.995204][ T10] netlink_unicast+0x449/0x710 [ 1711.995204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.995204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.995204][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.995204][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.995204][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.995204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.995204][ T10] [ 1711.997237][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1711.997237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1711.997237][ T10] ipv6_find_idev+0x102/0x170 [ 1711.997237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1711.997237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.997237][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.997237][ T10] netlink_unicast+0x449/0x710 [ 1711.997237][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.997237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.997237][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.997237][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.997237][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.997237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.997237][ T10] [ 1711.998794][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1711.998794][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1711.998794][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1711.998794][ T10] ipv6_find_idev+0x102/0x170 [ 1711.998794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1711.998794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1711.998794][ T10] netlink_rcv_skb+0x130/0x360 [ 1711.998794][ T10] netlink_unicast+0x449/0x710 [ 1711.998794][ T10] netlink_sendmsg+0x723/0xbe0 [ 1711.998794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1711.998794][ T10] ___sys_sendmsg+0xee/0x170 [ 1711.998794][ T10] __sys_sendmsg+0xcd/0x170 [ 1711.998794][ T10] do_syscall_64+0xc6/0x1e0 [ 1711.998794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1711.998794][ T10] [ 1712.000655][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1712.000922][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1712.000922][ T10] netdev_get_by_index+0x5e/0x80 [ 1712.000922][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1712.000922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1712.000922][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1712.000922][ T10] ipv6_add_addr+0x411/0x2000 [ 1712.000922][ T10] inet6_addr_add+0x30e/0xa40 [ 1712.000922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1712.000922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.000922][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.000922][ T10] netlink_unicast+0x449/0x710 [ 1712.000922][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.000922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.000922][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.000922][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.000922][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.000922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.000922][ T10] [ 1712.003030][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1712.003030][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1712.003030][ T10] ipv6_find_idev+0x102/0x170 [ 1712.003030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1712.003030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.003030][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.003030][ T10] netlink_unicast+0x449/0x710 [ 1712.003030][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.003030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.003030][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.003030][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.003030][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.003030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.003030][ T10] [ 1712.004646][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1712.004646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1712.004646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1712.004646][ T10] ipv6_find_idev+0x102/0x170 [ 1712.004646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1712.004646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.004646][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.004646][ T10] netlink_unicast+0x449/0x710 [ 1712.004646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.004646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.004646][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.004646][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.004646][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.004646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.004646][ T10] [ 1712.006652][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1712.006925][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1712.006925][ T10] netdev_get_by_index+0x5e/0x80 [ 1712.006925][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1712.006925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1712.006925][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1712.006925][ T10] ipv6_add_addr+0x411/0x2000 [ 1712.006925][ T10] inet6_addr_add+0x30e/0xa40 [ 1712.006925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1712.006925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.006925][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.006925][ T10] netlink_unicast+0x449/0x710 [ 1712.006925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.006925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.006925][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.006925][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.006925][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.006925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.006925][ T10] [ 1712.009084][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1712.009084][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1712.009084][ T10] ipv6_find_idev+0x102/0x170 [ 1712.009084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1712.009084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.009084][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.009084][ T10] netlink_unicast+0x449/0x710 [ 1712.009084][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.009084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.009084][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.009084][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.009084][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.009084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.009084][ T10] [ 1712.010842][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1712.010842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1712.010842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1712.010842][ T10] ipv6_find_idev+0x102/0x170 [ 1712.010842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1712.010842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.010842][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.010842][ T10] netlink_unicast+0x449/0x710 [ 1712.010842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.010842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.010842][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.010842][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.010842][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.010842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.010842][ T10] [ 1712.012865][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1712.013140][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1712.013140][ T10] netdev_get_by_index+0x5e/0x80 [ 1712.013140][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1712.013140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1712.013140][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1712.013140][ T10] ipv6_add_addr+0x411/0x2000 [ 1712.013140][ T10] inet6_addr_add+0x30e/0xa40 [ 1712.013140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1712.013140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.013140][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.013140][ T10] netlink_unicast+0x449/0x710 [ 1712.013140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.013140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.013140][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.013140][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.013140][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.013140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.013140][ T10] [ 1712.015312][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1712.015312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1712.015312][ T10] ipv6_find_idev+0x102/0x170 [ 1712.015312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1712.015312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.015312][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.015312][ T10] netlink_unicast+0x449/0x710 [ 1712.015312][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.015312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.015312][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.015312][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.015312][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.015312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.015312][ T10] [ 1712.016933][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1712.016933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1712.016933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1712.016933][ T10] ipv6_find_idev+0x102/0x170 [ 1712.016933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1712.016933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.016933][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.016933][ T10] netlink_unicast+0x449/0x710 [ 1712.016933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.016933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.016933][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.016933][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.016933][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.016933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.016933][ T10] [ 1712.018862][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1712.019138][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1712.019138][ T10] netdev_get_by_index+0x5e/0x80 [ 1712.019138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1712.019138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1712.019138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1712.019138][ T10] ipv6_add_addr+0x411/0x2000 [ 1712.019138][ T10] inet6_addr_add+0x30e/0xa40 [ 1712.019138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1712.019138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.019138][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.019138][ T10] netlink_unicast+0x449/0x710 [ 1712.019138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.019138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.019138][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.019138][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.019138][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.019138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.019138][ T10] [ 1712.021419][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1712.021419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1712.021419][ T10] ipv6_find_idev+0x102/0x170 [ 1712.021419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1712.021419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.021419][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.021419][ T10] netlink_unicast+0x449/0x710 [ 1712.021419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.021419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.021419][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.021419][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.021419][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.021419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.021419][ T10] [ 1712.023096][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1712.023096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1712.023096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1712.023096][ T10] ipv6_find_idev+0x102/0x170 [ 1712.023096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1712.023096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1712.023096][ T10] netlink_rcv_skb+0x130/0x360 [ 1712.023096][ T10] netlink_unicast+0x449/0x710 [ 1712.023096][ T10] netlink_sendmsg+0x723/0xbe0 [ 1712.023096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1712.023096][ T10] ___sys_sendmsg+0xee/0x170 [ 1712.023096][ T10] __sys_sendmsg+0xcd/0x170 [ 1712.023096][ T10] do_syscall_64+0xc6/0x1e0 [ 1712.023096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1712.023096][ T10] [ 1722.176219][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1722.176643][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1722.176643][ T10] netdev_get_by_index+0x5e/0x80 [ 1722.176643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1722.176643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1722.176643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1722.176643][ T10] ipv6_add_addr+0x411/0x2000 [ 1722.176643][ T10] inet6_addr_add+0x30e/0xa40 [ 1722.176643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1722.176643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.176643][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.176643][ T10] netlink_unicast+0x449/0x710 [ 1722.176643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.176643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.176643][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.176643][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.176643][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.176643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.176643][ T10] [ 1722.178708][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1722.178708][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1722.178708][ T10] ipv6_find_idev+0x102/0x170 [ 1722.178708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.178708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.178708][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.178708][ T10] netlink_unicast+0x449/0x710 [ 1722.178708][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.178708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.178708][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.178708][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.178708][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.178708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.178708][ T10] [ 1722.180285][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1722.180285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1722.180285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1722.180285][ T10] ipv6_find_idev+0x102/0x170 [ 1722.180285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.180285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.180285][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.180285][ T10] netlink_unicast+0x449/0x710 [ 1722.180285][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.180285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.180285][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.180285][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.180285][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.180285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.180285][ T10] [ 1722.182005][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1722.182291][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1722.182291][ T10] netdev_get_by_index+0x5e/0x80 [ 1722.182291][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1722.182291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1722.182291][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1722.182291][ T10] ipv6_add_addr+0x411/0x2000 [ 1722.182291][ T10] inet6_addr_add+0x30e/0xa40 [ 1722.182291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1722.182291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.182291][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.182291][ T10] netlink_unicast+0x449/0x710 [ 1722.182291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.182291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.182291][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.182291][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.182291][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.182291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.182291][ T10] [ 1722.184313][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1722.184313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1722.184313][ T10] ipv6_find_idev+0x102/0x170 [ 1722.184313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.184313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.184313][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.184313][ T10] netlink_unicast+0x449/0x710 [ 1722.184313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.184313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.184313][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.184313][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.184313][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.184313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.184313][ T10] [ 1722.185881][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1722.185881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1722.185881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1722.185881][ T10] ipv6_find_idev+0x102/0x170 [ 1722.185881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.185881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.185881][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.185881][ T10] netlink_unicast+0x449/0x710 [ 1722.185881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.185881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.185881][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.185881][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.185881][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.185881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.185881][ T10] [ 1722.187806][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1722.188074][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1722.188074][ T10] netdev_get_by_index+0x5e/0x80 [ 1722.188074][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1722.188074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1722.188074][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1722.188074][ T10] ipv6_add_addr+0x411/0x2000 [ 1722.188074][ T10] inet6_addr_add+0x30e/0xa40 [ 1722.188074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1722.188074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.188074][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.188074][ T10] netlink_unicast+0x449/0x710 [ 1722.188074][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.188074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.188074][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.188074][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.188074][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.188074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.188074][ T10] [ 1722.190157][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1722.190157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1722.190157][ T10] ipv6_find_idev+0x102/0x170 [ 1722.190157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.190157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.190157][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.190157][ T10] netlink_unicast+0x449/0x710 [ 1722.190157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.190157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.190157][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.190157][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.190157][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.190157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.190157][ T10] [ 1722.191727][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1722.191727][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1722.191727][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1722.191727][ T10] ipv6_find_idev+0x102/0x170 [ 1722.191727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.191727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.191727][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.191727][ T10] netlink_unicast+0x449/0x710 [ 1722.191727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.191727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.191727][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.191727][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.191727][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.191727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.191727][ T10] [ 1722.193549][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1722.193872][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1722.193872][ T10] netdev_get_by_index+0x5e/0x80 [ 1722.193872][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1722.193872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1722.193872][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1722.193872][ T10] ipv6_add_addr+0x411/0x2000 [ 1722.193872][ T10] inet6_addr_add+0x30e/0xa40 [ 1722.193872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1722.193872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.193872][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.193872][ T10] netlink_unicast+0x449/0x710 [ 1722.193872][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.193872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.193872][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.193872][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.193872][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.193872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.193872][ T10] [ 1722.196048][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1722.196048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1722.196048][ T10] ipv6_find_idev+0x102/0x170 [ 1722.196048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.196048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.196048][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.196048][ T10] netlink_unicast+0x449/0x710 [ 1722.196048][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.196048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.196048][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.196048][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.196048][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.196048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.196048][ T10] [ 1722.197766][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1722.197766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1722.197766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1722.197766][ T10] ipv6_find_idev+0x102/0x170 [ 1722.197766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.197766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.197766][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.197766][ T10] netlink_unicast+0x449/0x710 [ 1722.197766][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.197766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.197766][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.197766][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.197766][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.197766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.197766][ T10] [ 1722.199740][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1722.200016][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1722.200016][ T10] netdev_get_by_index+0x5e/0x80 [ 1722.200016][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1722.200016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1722.200016][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1722.200016][ T10] ipv6_add_addr+0x411/0x2000 [ 1722.200016][ T10] inet6_addr_add+0x30e/0xa40 [ 1722.200016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1722.200016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.200016][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.200016][ T10] netlink_unicast+0x449/0x710 [ 1722.200016][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.200016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.200016][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.200016][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.200016][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.200016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.200016][ T10] [ 1722.202118][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1722.202118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1722.202118][ T10] ipv6_find_idev+0x102/0x170 [ 1722.202118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.202118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.202118][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.202118][ T10] netlink_unicast+0x449/0x710 [ 1722.202118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.202118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.202118][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.202118][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.202118][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.202118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.202118][ T10] [ 1722.203814][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1722.203814][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1722.203814][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1722.203814][ T10] ipv6_find_idev+0x102/0x170 [ 1722.203814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.203814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.203814][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.203814][ T10] netlink_unicast+0x449/0x710 [ 1722.203814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.203814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.203814][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.203814][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.203814][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.203814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.203814][ T10] [ 1722.206115][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1722.206393][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1722.206393][ T10] netdev_get_by_index+0x5e/0x80 [ 1722.206393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1722.206393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1722.206393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1722.206393][ T10] ipv6_add_addr+0x411/0x2000 [ 1722.206393][ T10] inet6_addr_add+0x30e/0xa40 [ 1722.206393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1722.206393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.206393][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.206393][ T10] netlink_unicast+0x449/0x710 [ 1722.206393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.206393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.206393][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.206393][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.206393][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.206393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.206393][ T10] [ 1722.208561][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1722.208561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1722.208561][ T10] ipv6_find_idev+0x102/0x170 [ 1722.208561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.208561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.208561][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.208561][ T10] netlink_unicast+0x449/0x710 [ 1722.208561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.208561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.208561][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.208561][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.208561][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.208561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.208561][ T10] [ 1722.210309][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1722.210309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1722.210309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1722.210309][ T10] ipv6_find_idev+0x102/0x170 [ 1722.210309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.210309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.210309][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.210309][ T10] netlink_unicast+0x449/0x710 [ 1722.210309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.210309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.210309][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.210309][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.210309][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.210309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.210309][ T10] [ 1722.212276][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1722.212552][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1722.212552][ T10] netdev_get_by_index+0x5e/0x80 [ 1722.212552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1722.212552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1722.212552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1722.212552][ T10] ipv6_add_addr+0x411/0x2000 [ 1722.212552][ T10] inet6_addr_add+0x30e/0xa40 [ 1722.212552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1722.212552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.212552][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.212552][ T10] netlink_unicast+0x449/0x710 [ 1722.212552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.212552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.212552][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.212552][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.212552][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.212552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.212552][ T10] [ 1722.214712][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1722.214712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1722.214712][ T10] ipv6_find_idev+0x102/0x170 [ 1722.214712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.214712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.214712][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.214712][ T10] netlink_unicast+0x449/0x710 [ 1722.214712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.214712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.214712][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.214712][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.214712][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.214712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.214712][ T10] [ 1722.216353][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1722.216353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1722.216353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1722.216353][ T10] ipv6_find_idev+0x102/0x170 [ 1722.216353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.216353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.216353][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.216353][ T10] netlink_unicast+0x449/0x710 [ 1722.216353][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.216353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.216353][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.216353][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.216353][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.216353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.216353][ T10] [ 1722.218232][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1722.218494][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1722.218494][ T10] netdev_get_by_index+0x5e/0x80 [ 1722.218494][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1722.218494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1722.218494][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1722.218494][ T10] ipv6_add_addr+0x411/0x2000 [ 1722.218494][ T10] inet6_addr_add+0x30e/0xa40 [ 1722.218494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1722.218494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.218494][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.218494][ T10] netlink_unicast+0x449/0x710 [ 1722.218494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.218494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.218494][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.218494][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.218494][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.218494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.218494][ T10] [ 1722.220628][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1722.220628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1722.220628][ T10] ipv6_find_idev+0x102/0x170 [ 1722.220628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.220628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.220628][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.220628][ T10] netlink_unicast+0x449/0x710 [ 1722.220628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.220628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.220628][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.220628][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.220628][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.220628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.220628][ T10] [ 1722.222485][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1722.222485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1722.222485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1722.222485][ T10] ipv6_find_idev+0x102/0x170 [ 1722.222485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1722.222485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1722.222485][ T10] netlink_rcv_skb+0x130/0x360 [ 1722.222485][ T10] netlink_unicast+0x449/0x710 [ 1722.222485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1722.222485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1722.222485][ T10] ___sys_sendmsg+0xee/0x170 [ 1722.222485][ T10] __sys_sendmsg+0xcd/0x170 [ 1722.222485][ T10] do_syscall_64+0xc6/0x1e0 [ 1722.222485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1722.222485][ T10] [ 1732.385116][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1732.385447][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1732.385447][ T10] netdev_get_by_index+0x5e/0x80 [ 1732.385447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1732.385447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1732.385447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1732.385447][ T10] ipv6_add_addr+0x411/0x2000 [ 1732.385447][ T10] inet6_addr_add+0x30e/0xa40 [ 1732.385447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1732.385447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.385447][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.385447][ T10] netlink_unicast+0x449/0x710 [ 1732.385447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.385447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.385447][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.385447][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.385447][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.385447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.385447][ T10] [ 1732.387509][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1732.387509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1732.387509][ T10] ipv6_find_idev+0x102/0x170 [ 1732.387509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.387509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.387509][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.387509][ T10] netlink_unicast+0x449/0x710 [ 1732.387509][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.387509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.387509][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.387509][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.387509][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.387509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.387509][ T10] [ 1732.389087][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1732.389087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1732.389087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1732.389087][ T10] ipv6_find_idev+0x102/0x170 [ 1732.389087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.389087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.389087][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.389087][ T10] netlink_unicast+0x449/0x710 [ 1732.389087][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.389087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.389087][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.389087][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.389087][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.389087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.389087][ T10] [ 1732.390775][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1732.391071][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1732.391071][ T10] netdev_get_by_index+0x5e/0x80 [ 1732.391071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1732.391071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1732.391071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1732.391071][ T10] ipv6_add_addr+0x411/0x2000 [ 1732.391071][ T10] inet6_addr_add+0x30e/0xa40 [ 1732.391071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1732.391071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.391071][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.391071][ T10] netlink_unicast+0x449/0x710 [ 1732.391071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.391071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.391071][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.391071][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.391071][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.391071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.391071][ T10] [ 1732.393057][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1732.393057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1732.393057][ T10] ipv6_find_idev+0x102/0x170 [ 1732.393057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.393057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.393057][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.393057][ T10] netlink_unicast+0x449/0x710 [ 1732.393057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.393057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.393057][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.393057][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.393057][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.393057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.393057][ T10] [ 1732.394604][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1732.394604][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1732.394604][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1732.394604][ T10] ipv6_find_idev+0x102/0x170 [ 1732.394604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.394604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.394604][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.394604][ T10] netlink_unicast+0x449/0x710 [ 1732.394604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.394604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.394604][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.394604][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.394604][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.394604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.394604][ T10] [ 1732.396277][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1732.396558][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1732.396558][ T10] netdev_get_by_index+0x5e/0x80 [ 1732.396558][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1732.396558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1732.396558][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1732.396558][ T10] ipv6_add_addr+0x411/0x2000 [ 1732.396558][ T10] inet6_addr_add+0x30e/0xa40 [ 1732.396558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1732.396558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.396558][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.396558][ T10] netlink_unicast+0x449/0x710 [ 1732.396558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.396558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.396558][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.396558][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.396558][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.396558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.396558][ T10] [ 1732.398608][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1732.398608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1732.398608][ T10] ipv6_find_idev+0x102/0x170 [ 1732.398608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.398608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.398608][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.398608][ T10] netlink_unicast+0x449/0x710 [ 1732.398608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.398608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.398608][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.398608][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.398608][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.398608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.398608][ T10] [ 1732.400211][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1732.400211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1732.400211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1732.400211][ T10] ipv6_find_idev+0x102/0x170 [ 1732.400211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.400211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.400211][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.400211][ T10] netlink_unicast+0x449/0x710 [ 1732.400211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.400211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.400211][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.400211][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.400211][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.400211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.400211][ T10] [ 1732.401978][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1732.402688][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1732.402688][ T10] netdev_get_by_index+0x5e/0x80 [ 1732.402688][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1732.402688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1732.402688][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1732.402688][ T10] ipv6_add_addr+0x411/0x2000 [ 1732.402688][ T10] inet6_addr_add+0x30e/0xa40 [ 1732.402688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1732.402688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.402688][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.402688][ T10] netlink_unicast+0x449/0x710 [ 1732.402688][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.402688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.402688][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.402688][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.402688][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.402688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.402688][ T10] [ 1732.404755][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1732.404755][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1732.404755][ T10] ipv6_find_idev+0x102/0x170 [ 1732.404755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.404755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.404755][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.404755][ T10] netlink_unicast+0x449/0x710 [ 1732.404755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.404755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.404755][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.404755][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.404755][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.404755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.404755][ T10] [ 1732.406407][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1732.406407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1732.406407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1732.406407][ T10] ipv6_find_idev+0x102/0x170 [ 1732.406407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.406407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.406407][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.406407][ T10] netlink_unicast+0x449/0x710 [ 1732.406407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.406407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.406407][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.406407][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.406407][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.406407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.406407][ T10] [ 1732.408197][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1732.408487][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1732.408487][ T10] netdev_get_by_index+0x5e/0x80 [ 1732.408487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1732.408487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1732.408487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1732.408487][ T10] ipv6_add_addr+0x411/0x2000 [ 1732.408487][ T10] inet6_addr_add+0x30e/0xa40 [ 1732.408487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1732.408487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.408487][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.408487][ T10] netlink_unicast+0x449/0x710 [ 1732.408487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.408487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.408487][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.408487][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.408487][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.408487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.408487][ T10] [ 1732.410571][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1732.410571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1732.410571][ T10] ipv6_find_idev+0x102/0x170 [ 1732.410571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.410571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.410571][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.410571][ T10] netlink_unicast+0x449/0x710 [ 1732.410571][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.410571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.410571][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.410571][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.410571][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.410571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.410571][ T10] [ 1732.412186][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1732.412186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1732.412186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1732.412186][ T10] ipv6_find_idev+0x102/0x170 [ 1732.412186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.412186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.412186][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.412186][ T10] netlink_unicast+0x449/0x710 [ 1732.412186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.412186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.412186][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.412186][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.412186][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.412186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.412186][ T10] [ 1732.413979][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1732.414303][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1732.414303][ T10] netdev_get_by_index+0x5e/0x80 [ 1732.414303][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1732.414303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1732.414303][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1732.414303][ T10] ipv6_add_addr+0x411/0x2000 [ 1732.414303][ T10] inet6_addr_add+0x30e/0xa40 [ 1732.414303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1732.414303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.414303][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.414303][ T10] netlink_unicast+0x449/0x710 [ 1732.414303][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.414303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.414303][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.414303][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.414303][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.414303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.414303][ T10] [ 1732.416326][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1732.416326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1732.416326][ T10] ipv6_find_idev+0x102/0x170 [ 1732.416326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.416326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.416326][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.416326][ T10] netlink_unicast+0x449/0x710 [ 1732.416326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.416326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.416326][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.416326][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.416326][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.416326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.416326][ T10] [ 1732.417881][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1732.417881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1732.417881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1732.417881][ T10] ipv6_find_idev+0x102/0x170 [ 1732.417881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.417881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.417881][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.417881][ T10] netlink_unicast+0x449/0x710 [ 1732.417881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.417881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.417881][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.417881][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.417881][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.417881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.417881][ T10] [ 1732.419643][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1732.419923][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1732.419923][ T10] netdev_get_by_index+0x5e/0x80 [ 1732.419923][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1732.419923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1732.419923][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1732.419923][ T10] ipv6_add_addr+0x411/0x2000 [ 1732.419923][ T10] inet6_addr_add+0x30e/0xa40 [ 1732.419923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1732.419923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.419923][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.419923][ T10] netlink_unicast+0x449/0x710 [ 1732.419923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.419923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.419923][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.419923][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.419923][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.419923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.419923][ T10] [ 1732.422001][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1732.422001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1732.422001][ T10] ipv6_find_idev+0x102/0x170 [ 1732.422001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.422001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.422001][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.422001][ T10] netlink_unicast+0x449/0x710 [ 1732.422001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.422001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.422001][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.422001][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.422001][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.422001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.422001][ T10] [ 1732.423633][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1732.423633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1732.423633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1732.423633][ T10] ipv6_find_idev+0x102/0x170 [ 1732.423633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.423633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.423633][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.423633][ T10] netlink_unicast+0x449/0x710 [ 1732.423633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.423633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.423633][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.423633][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.423633][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.423633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.423633][ T10] [ 1732.425461][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1732.425745][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1732.425745][ T10] netdev_get_by_index+0x5e/0x80 [ 1732.425745][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1732.425745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1732.425745][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1732.425745][ T10] ipv6_add_addr+0x411/0x2000 [ 1732.425745][ T10] inet6_addr_add+0x30e/0xa40 [ 1732.425745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1732.425745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.425745][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.425745][ T10] netlink_unicast+0x449/0x710 [ 1732.425745][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.425745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.425745][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.425745][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.425745][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.425745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.425745][ T10] [ 1732.428211][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1732.428211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1732.428211][ T10] ipv6_find_idev+0x102/0x170 [ 1732.428211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.428211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.428211][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.428211][ T10] netlink_unicast+0x449/0x710 [ 1732.428211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.428211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.428211][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.428211][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.428211][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.428211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.428211][ T10] [ 1732.429959][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1732.429959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1732.429959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1732.429959][ T10] ipv6_find_idev+0x102/0x170 [ 1732.429959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1732.429959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1732.429959][ T10] netlink_rcv_skb+0x130/0x360 [ 1732.429959][ T10] netlink_unicast+0x449/0x710 [ 1732.429959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1732.429959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1732.429959][ T10] ___sys_sendmsg+0xee/0x170 [ 1732.429959][ T10] __sys_sendmsg+0xcd/0x170 [ 1732.429959][ T10] do_syscall_64+0xc6/0x1e0 [ 1732.429959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1732.429959][ T10] [ 1742.472198][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1742.472524][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1742.472524][ T10] netdev_get_by_index+0x5e/0x80 [ 1742.472524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1742.472524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1742.472524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1742.472524][ T10] ipv6_add_addr+0x411/0x2000 [ 1742.472524][ T10] inet6_addr_add+0x30e/0xa40 [ 1742.472524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1742.472524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.472524][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.472524][ T10] netlink_unicast+0x449/0x710 [ 1742.472524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.472524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.472524][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.472524][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.472524][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.472524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.472524][ T10] [ 1742.474538][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1742.474538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1742.474538][ T10] ipv6_find_idev+0x102/0x170 [ 1742.474538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.474538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.474538][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.474538][ T10] netlink_unicast+0x449/0x710 [ 1742.474538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.474538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.474538][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.474538][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.474538][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.474538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.474538][ T10] [ 1742.476085][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1742.476085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1742.476085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1742.476085][ T10] ipv6_find_idev+0x102/0x170 [ 1742.476085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.476085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.476085][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.476085][ T10] netlink_unicast+0x449/0x710 [ 1742.476085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.476085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.476085][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.476085][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.476085][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.476085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.476085][ T10] [ 1742.477784][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1742.478056][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1742.478056][ T10] netdev_get_by_index+0x5e/0x80 [ 1742.478056][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1742.478056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1742.478056][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1742.478056][ T10] ipv6_add_addr+0x411/0x2000 [ 1742.478056][ T10] inet6_addr_add+0x30e/0xa40 [ 1742.478056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1742.478056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.478056][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.478056][ T10] netlink_unicast+0x449/0x710 [ 1742.478056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.478056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.478056][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.478056][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.478056][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.478056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.478056][ T10] [ 1742.480088][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1742.480088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1742.480088][ T10] ipv6_find_idev+0x102/0x170 [ 1742.480088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.480088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.480088][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.480088][ T10] netlink_unicast+0x449/0x710 [ 1742.480088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.480088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.480088][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.480088][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.480088][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.480088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.480088][ T10] [ 1742.481637][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1742.481637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1742.481637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1742.481637][ T10] ipv6_find_idev+0x102/0x170 [ 1742.481637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.481637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.481637][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.481637][ T10] netlink_unicast+0x449/0x710 [ 1742.481637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.481637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.481637][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.481637][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.481637][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.481637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.481637][ T10] [ 1742.483332][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1742.483601][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1742.483601][ T10] netdev_get_by_index+0x5e/0x80 [ 1742.483601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1742.483601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1742.483601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1742.483601][ T10] ipv6_add_addr+0x411/0x2000 [ 1742.483601][ T10] inet6_addr_add+0x30e/0xa40 [ 1742.483601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1742.483601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.483601][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.483601][ T10] netlink_unicast+0x449/0x710 [ 1742.483601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.483601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.483601][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.483601][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.483601][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.483601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.483601][ T10] [ 1742.485601][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1742.485601][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1742.485601][ T10] ipv6_find_idev+0x102/0x170 [ 1742.485601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.485601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.485601][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.485601][ T10] netlink_unicast+0x449/0x710 [ 1742.485601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.485601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.485601][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.485601][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.485601][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.485601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.485601][ T10] [ 1742.487207][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1742.487207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1742.487207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1742.487207][ T10] ipv6_find_idev+0x102/0x170 [ 1742.487207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.487207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.487207][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.487207][ T10] netlink_unicast+0x449/0x710 [ 1742.487207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.487207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.487207][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.487207][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.487207][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.487207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.487207][ T10] [ 1742.489125][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1742.489398][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1742.489398][ T10] netdev_get_by_index+0x5e/0x80 [ 1742.489398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1742.489398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1742.489398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1742.489398][ T10] ipv6_add_addr+0x411/0x2000 [ 1742.489398][ T10] inet6_addr_add+0x30e/0xa40 [ 1742.489398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1742.489398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.489398][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.489398][ T10] netlink_unicast+0x449/0x710 [ 1742.489398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.489398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.489398][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.489398][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.489398][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.489398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.489398][ T10] [ 1742.491650][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1742.491650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1742.491650][ T10] ipv6_find_idev+0x102/0x170 [ 1742.491650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.491650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.491650][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.491650][ T10] netlink_unicast+0x449/0x710 [ 1742.491650][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.491650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.491650][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.491650][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.491650][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.491650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.491650][ T10] [ 1742.493371][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1742.493371][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1742.493371][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1742.493371][ T10] ipv6_find_idev+0x102/0x170 [ 1742.493371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.493371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.493371][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.493371][ T10] netlink_unicast+0x449/0x710 [ 1742.493371][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.493371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.493371][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.493371][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.493371][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.493371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.493371][ T10] [ 1742.495109][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1742.495445][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1742.495445][ T10] netdev_get_by_index+0x5e/0x80 [ 1742.495445][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1742.495445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1742.495445][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1742.495445][ T10] ipv6_add_addr+0x411/0x2000 [ 1742.495445][ T10] inet6_addr_add+0x30e/0xa40 [ 1742.495445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1742.495445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.495445][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.495445][ T10] netlink_unicast+0x449/0x710 [ 1742.495445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.495445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.495445][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.495445][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.495445][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.495445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.495445][ T10] [ 1742.497564][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1742.497564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1742.497564][ T10] ipv6_find_idev+0x102/0x170 [ 1742.497564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.497564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.497564][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.497564][ T10] netlink_unicast+0x449/0x710 [ 1742.497564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.497564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.497564][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.497564][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.497564][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.497564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.497564][ T10] [ 1742.499250][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1742.499250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1742.499250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1742.499250][ T10] ipv6_find_idev+0x102/0x170 [ 1742.499250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.499250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.499250][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.499250][ T10] netlink_unicast+0x449/0x710 [ 1742.499250][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.499250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.499250][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.499250][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.499250][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.499250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.499250][ T10] [ 1742.501221][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1742.501486][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1742.501486][ T10] netdev_get_by_index+0x5e/0x80 [ 1742.501486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1742.501486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1742.501486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1742.501486][ T10] ipv6_add_addr+0x411/0x2000 [ 1742.501486][ T10] inet6_addr_add+0x30e/0xa40 [ 1742.501486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1742.501486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.501486][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.501486][ T10] netlink_unicast+0x449/0x710 [ 1742.501486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.501486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.501486][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.501486][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.501486][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.501486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.501486][ T10] [ 1742.503593][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1742.503593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1742.503593][ T10] ipv6_find_idev+0x102/0x170 [ 1742.503593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.503593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.503593][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.503593][ T10] netlink_unicast+0x449/0x710 [ 1742.503593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.503593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.503593][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.503593][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.503593][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.503593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.503593][ T10] [ 1742.505198][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1742.505198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1742.505198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1742.505198][ T10] ipv6_find_idev+0x102/0x170 [ 1742.505198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.505198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.505198][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.505198][ T10] netlink_unicast+0x449/0x710 [ 1742.505198][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.505198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.505198][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.505198][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.505198][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.505198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.505198][ T10] [ 1742.507289][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1742.507560][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1742.507560][ T10] netdev_get_by_index+0x5e/0x80 [ 1742.507560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1742.507560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1742.507560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1742.507560][ T10] ipv6_add_addr+0x411/0x2000 [ 1742.507560][ T10] inet6_addr_add+0x30e/0xa40 [ 1742.507560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1742.507560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.507560][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.507560][ T10] netlink_unicast+0x449/0x710 [ 1742.507560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.507560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.507560][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.507560][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.507560][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.507560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.507560][ T10] [ 1742.509554][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1742.509554][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1742.509554][ T10] ipv6_find_idev+0x102/0x170 [ 1742.509554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.509554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.509554][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.509554][ T10] netlink_unicast+0x449/0x710 [ 1742.509554][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.509554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.509554][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.509554][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.509554][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.509554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.509554][ T10] [ 1742.511092][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1742.511092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1742.511092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1742.511092][ T10] ipv6_find_idev+0x102/0x170 [ 1742.511092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.511092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.511092][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.511092][ T10] netlink_unicast+0x449/0x710 [ 1742.511092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.511092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.511092][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.511092][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.511092][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.511092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.511092][ T10] [ 1742.512815][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1742.513088][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1742.513088][ T10] netdev_get_by_index+0x5e/0x80 [ 1742.513088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1742.513088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1742.513088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1742.513088][ T10] ipv6_add_addr+0x411/0x2000 [ 1742.513088][ T10] inet6_addr_add+0x30e/0xa40 [ 1742.513088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1742.513088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.513088][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.513088][ T10] netlink_unicast+0x449/0x710 [ 1742.513088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.513088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.513088][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.513088][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.513088][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.513088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.513088][ T10] [ 1742.515524][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1742.515524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1742.515524][ T10] ipv6_find_idev+0x102/0x170 [ 1742.515524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.515524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.515524][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.515524][ T10] netlink_unicast+0x449/0x710 [ 1742.515524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.515524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.515524][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.515524][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.515524][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.515524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.515524][ T10] [ 1742.517300][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1742.517300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1742.517300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1742.517300][ T10] ipv6_find_idev+0x102/0x170 [ 1742.517300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1742.517300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1742.517300][ T10] netlink_rcv_skb+0x130/0x360 [ 1742.517300][ T10] netlink_unicast+0x449/0x710 [ 1742.517300][ T10] netlink_sendmsg+0x723/0xbe0 [ 1742.517300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1742.517300][ T10] ___sys_sendmsg+0xee/0x170 [ 1742.517300][ T10] __sys_sendmsg+0xcd/0x170 [ 1742.517300][ T10] do_syscall_64+0xc6/0x1e0 [ 1742.517300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1742.517300][ T10] [ 1752.648124][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1752.648536][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1752.648536][ T10] netdev_get_by_index+0x5e/0x80 [ 1752.648536][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1752.648536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1752.648536][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1752.648536][ T10] ipv6_add_addr+0x411/0x2000 [ 1752.648536][ T10] inet6_addr_add+0x30e/0xa40 [ 1752.648536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1752.648536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.648536][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.648536][ T10] netlink_unicast+0x449/0x710 [ 1752.648536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.648536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.648536][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.648536][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.648536][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.648536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.648536][ T10] [ 1752.650602][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1752.650602][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1752.650602][ T10] ipv6_find_idev+0x102/0x170 [ 1752.650602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.650602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.650602][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.650602][ T10] netlink_unicast+0x449/0x710 [ 1752.650602][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.650602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.650602][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.650602][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.650602][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.650602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.650602][ T10] [ 1752.652165][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1752.652165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1752.652165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1752.652165][ T10] ipv6_find_idev+0x102/0x170 [ 1752.652165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.652165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.652165][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.652165][ T10] netlink_unicast+0x449/0x710 [ 1752.652165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.652165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.652165][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.652165][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.652165][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.652165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.652165][ T10] [ 1752.653918][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1752.654223][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1752.654223][ T10] netdev_get_by_index+0x5e/0x80 [ 1752.654223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1752.654223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1752.654223][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1752.654223][ T10] ipv6_add_addr+0x411/0x2000 [ 1752.654223][ T10] inet6_addr_add+0x30e/0xa40 [ 1752.654223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1752.654223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.654223][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.654223][ T10] netlink_unicast+0x449/0x710 [ 1752.654223][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.654223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.654223][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.654223][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.654223][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.654223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.654223][ T10] [ 1752.656217][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1752.656217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1752.656217][ T10] ipv6_find_idev+0x102/0x170 [ 1752.656217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.656217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.656217][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.656217][ T10] netlink_unicast+0x449/0x710 [ 1752.656217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.656217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.656217][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.656217][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.656217][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.656217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.656217][ T10] [ 1752.657766][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1752.657766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1752.657766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1752.657766][ T10] ipv6_find_idev+0x102/0x170 [ 1752.657766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.657766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.657766][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.657766][ T10] netlink_unicast+0x449/0x710 [ 1752.657766][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.657766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.657766][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.657766][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.657766][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.657766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.657766][ T10] [ 1752.659443][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1752.659709][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1752.659709][ T10] netdev_get_by_index+0x5e/0x80 [ 1752.659709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1752.659709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1752.659709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1752.659709][ T10] ipv6_add_addr+0x411/0x2000 [ 1752.659709][ T10] inet6_addr_add+0x30e/0xa40 [ 1752.659709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1752.659709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.659709][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.659709][ T10] netlink_unicast+0x449/0x710 [ 1752.659709][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.659709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.659709][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.659709][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.659709][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.659709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.659709][ T10] [ 1752.661704][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1752.661704][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1752.661704][ T10] ipv6_find_idev+0x102/0x170 [ 1752.661704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.661704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.661704][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.661704][ T10] netlink_unicast+0x449/0x710 [ 1752.661704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.661704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.661704][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.661704][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.661704][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.661704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.661704][ T10] [ 1752.663283][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1752.663283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1752.663283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1752.663283][ T10] ipv6_find_idev+0x102/0x170 [ 1752.663283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.663283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.663283][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.663283][ T10] netlink_unicast+0x449/0x710 [ 1752.663283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.663283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.663283][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.663283][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.663283][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.663283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.663283][ T10] [ 1752.665048][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1752.665327][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1752.665327][ T10] netdev_get_by_index+0x5e/0x80 [ 1752.665327][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1752.665327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1752.665327][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1752.665327][ T10] ipv6_add_addr+0x411/0x2000 [ 1752.665327][ T10] inet6_addr_add+0x30e/0xa40 [ 1752.665327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1752.665327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.665327][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.665327][ T10] netlink_unicast+0x449/0x710 [ 1752.665327][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.665327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.665327][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.665327][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.665327][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.665327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.665327][ T10] [ 1752.667356][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1752.667356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1752.667356][ T10] ipv6_find_idev+0x102/0x170 [ 1752.667356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.667356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.667356][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.667356][ T10] netlink_unicast+0x449/0x710 [ 1752.667356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.667356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.667356][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.667356][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.667356][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.667356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.667356][ T10] [ 1752.668904][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1752.668904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1752.668904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1752.668904][ T10] ipv6_find_idev+0x102/0x170 [ 1752.668904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.668904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.668904][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.668904][ T10] netlink_unicast+0x449/0x710 [ 1752.668904][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.668904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.668904][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.668904][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.668904][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.668904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.668904][ T10] [ 1752.670627][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1752.670920][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1752.670920][ T10] netdev_get_by_index+0x5e/0x80 [ 1752.670920][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1752.670920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1752.670920][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1752.670920][ T10] ipv6_add_addr+0x411/0x2000 [ 1752.670920][ T10] inet6_addr_add+0x30e/0xa40 [ 1752.670920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1752.670920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.670920][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.670920][ T10] netlink_unicast+0x449/0x710 [ 1752.670920][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.670920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.670920][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.670920][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.670920][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.670920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.670920][ T10] [ 1752.672923][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1752.672923][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1752.672923][ T10] ipv6_find_idev+0x102/0x170 [ 1752.672923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.672923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.672923][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.672923][ T10] netlink_unicast+0x449/0x710 [ 1752.672923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.672923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.672923][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.672923][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.672923][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.672923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.672923][ T10] [ 1752.674463][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1752.674463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1752.674463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1752.674463][ T10] ipv6_find_idev+0x102/0x170 [ 1752.674463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.674463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.674463][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.674463][ T10] netlink_unicast+0x449/0x710 [ 1752.674463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.674463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.674463][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.674463][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.674463][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.674463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.674463][ T10] [ 1752.676582][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1752.676914][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1752.676914][ T10] netdev_get_by_index+0x5e/0x80 [ 1752.676914][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1752.676914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1752.676914][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1752.676914][ T10] ipv6_add_addr+0x411/0x2000 [ 1752.676914][ T10] inet6_addr_add+0x30e/0xa40 [ 1752.676914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1752.676914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.676914][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.676914][ T10] netlink_unicast+0x449/0x710 [ 1752.676914][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.676914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.676914][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.676914][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.676914][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.676914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.676914][ T10] [ 1752.678922][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1752.678922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1752.678922][ T10] ipv6_find_idev+0x102/0x170 [ 1752.678922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.678922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.678922][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.678922][ T10] netlink_unicast+0x449/0x710 [ 1752.678922][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.678922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.678922][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.678922][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.678922][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.678922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.678922][ T10] [ 1752.680443][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1752.680443][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1752.680443][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1752.680443][ T10] ipv6_find_idev+0x102/0x170 [ 1752.680443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.680443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.680443][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.680443][ T10] netlink_unicast+0x449/0x710 [ 1752.680443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.680443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.680443][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.680443][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.680443][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.680443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.680443][ T10] [ 1752.682247][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1752.682516][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1752.682516][ T10] netdev_get_by_index+0x5e/0x80 [ 1752.682516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1752.682516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1752.682516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1752.682516][ T10] ipv6_add_addr+0x411/0x2000 [ 1752.682516][ T10] inet6_addr_add+0x30e/0xa40 [ 1752.682516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1752.682516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.682516][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.682516][ T10] netlink_unicast+0x449/0x710 [ 1752.682516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.682516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.682516][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.682516][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.682516][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.682516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.682516][ T10] [ 1752.684552][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1752.684552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1752.684552][ T10] ipv6_find_idev+0x102/0x170 [ 1752.684552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.684552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.684552][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.684552][ T10] netlink_unicast+0x449/0x710 [ 1752.684552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.684552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.684552][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.684552][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.684552][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.684552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.684552][ T10] [ 1752.686265][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1752.686265][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1752.686265][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1752.686265][ T10] ipv6_find_idev+0x102/0x170 [ 1752.686265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.686265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.686265][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.686265][ T10] netlink_unicast+0x449/0x710 [ 1752.686265][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.686265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.686265][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.686265][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.686265][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.686265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.686265][ T10] [ 1752.688257][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1752.688525][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1752.688525][ T10] netdev_get_by_index+0x5e/0x80 [ 1752.688525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1752.688525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1752.688525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1752.688525][ T10] ipv6_add_addr+0x411/0x2000 [ 1752.688525][ T10] inet6_addr_add+0x30e/0xa40 [ 1752.688525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1752.688525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.688525][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.688525][ T10] netlink_unicast+0x449/0x710 [ 1752.688525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.688525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.688525][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.688525][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.688525][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.688525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.688525][ T10] [ 1752.690621][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1752.690621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1752.690621][ T10] ipv6_find_idev+0x102/0x170 [ 1752.690621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.690621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.690621][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.690621][ T10] netlink_unicast+0x449/0x710 [ 1752.690621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.690621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.690621][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.690621][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.690621][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.690621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.690621][ T10] [ 1752.692354][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1752.692354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1752.692354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1752.692354][ T10] ipv6_find_idev+0x102/0x170 [ 1752.692354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1752.692354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1752.692354][ T10] netlink_rcv_skb+0x130/0x360 [ 1752.692354][ T10] netlink_unicast+0x449/0x710 [ 1752.692354][ T10] netlink_sendmsg+0x723/0xbe0 [ 1752.692354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1752.692354][ T10] ___sys_sendmsg+0xee/0x170 [ 1752.692354][ T10] __sys_sendmsg+0xcd/0x170 [ 1752.692354][ T10] do_syscall_64+0xc6/0x1e0 [ 1752.692354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1752.692354][ T10] [ 1762.800228][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1762.800659][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1762.800659][ T10] netdev_get_by_index+0x5e/0x80 [ 1762.800659][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1762.800659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1762.800659][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1762.800659][ T10] ipv6_add_addr+0x411/0x2000 [ 1762.800659][ T10] inet6_addr_add+0x30e/0xa40 [ 1762.800659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1762.800659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.800659][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.800659][ T10] netlink_unicast+0x449/0x710 [ 1762.800659][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.800659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.800659][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.800659][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.800659][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.800659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.800659][ T10] [ 1762.802710][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1762.802710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1762.802710][ T10] ipv6_find_idev+0x102/0x170 [ 1762.802710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.802710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.802710][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.802710][ T10] netlink_unicast+0x449/0x710 [ 1762.802710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.802710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.802710][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.802710][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.802710][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.802710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.802710][ T10] [ 1762.804278][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1762.804278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1762.804278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1762.804278][ T10] ipv6_find_idev+0x102/0x170 [ 1762.804278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.804278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.804278][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.804278][ T10] netlink_unicast+0x449/0x710 [ 1762.804278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.804278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.804278][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.804278][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.804278][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.804278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.804278][ T10] [ 1762.805987][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1762.806286][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1762.806286][ T10] netdev_get_by_index+0x5e/0x80 [ 1762.806286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1762.806286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1762.806286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1762.806286][ T10] ipv6_add_addr+0x411/0x2000 [ 1762.806286][ T10] inet6_addr_add+0x30e/0xa40 [ 1762.806286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1762.806286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.806286][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.806286][ T10] netlink_unicast+0x449/0x710 [ 1762.806286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.806286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.806286][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.806286][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.806286][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.806286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.806286][ T10] [ 1762.808288][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1762.808288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1762.808288][ T10] ipv6_find_idev+0x102/0x170 [ 1762.808288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.808288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.808288][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.808288][ T10] netlink_unicast+0x449/0x710 [ 1762.808288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.808288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.808288][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.808288][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.808288][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.808288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.808288][ T10] [ 1762.809842][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1762.809842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1762.809842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1762.809842][ T10] ipv6_find_idev+0x102/0x170 [ 1762.809842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.809842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.809842][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.809842][ T10] netlink_unicast+0x449/0x710 [ 1762.809842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.809842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.809842][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.809842][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.809842][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.809842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.809842][ T10] [ 1762.811549][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1762.811815][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1762.811815][ T10] netdev_get_by_index+0x5e/0x80 [ 1762.811815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1762.811815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1762.811815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1762.811815][ T10] ipv6_add_addr+0x411/0x2000 [ 1762.811815][ T10] inet6_addr_add+0x30e/0xa40 [ 1762.811815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1762.811815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.811815][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.811815][ T10] netlink_unicast+0x449/0x710 [ 1762.811815][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.811815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.811815][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.811815][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.811815][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.811815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.811815][ T10] [ 1762.813848][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1762.813848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1762.813848][ T10] ipv6_find_idev+0x102/0x170 [ 1762.813848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.813848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.813848][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.813848][ T10] netlink_unicast+0x449/0x710 [ 1762.813848][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.813848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.813848][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.813848][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.813848][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.813848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.813848][ T10] [ 1762.815384][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1762.815384][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1762.815384][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1762.815384][ T10] ipv6_find_idev+0x102/0x170 [ 1762.815384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.815384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.815384][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.815384][ T10] netlink_unicast+0x449/0x710 [ 1762.815384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.815384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.815384][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.815384][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.815384][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.815384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.815384][ T10] [ 1762.817089][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1762.817370][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1762.817370][ T10] netdev_get_by_index+0x5e/0x80 [ 1762.817370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1762.817370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1762.817370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1762.817370][ T10] ipv6_add_addr+0x411/0x2000 [ 1762.817370][ T10] inet6_addr_add+0x30e/0xa40 [ 1762.817370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1762.817370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.817370][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.817370][ T10] netlink_unicast+0x449/0x710 [ 1762.817370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.817370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.817370][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.817370][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.817370][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.817370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.817370][ T10] [ 1762.819374][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1762.819374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1762.819374][ T10] ipv6_find_idev+0x102/0x170 [ 1762.819374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.819374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.819374][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.819374][ T10] netlink_unicast+0x449/0x710 [ 1762.819374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.819374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.819374][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.819374][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.819374][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.819374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.819374][ T10] [ 1762.820925][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1762.820925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1762.820925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1762.820925][ T10] ipv6_find_idev+0x102/0x170 [ 1762.820925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.820925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.820925][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.820925][ T10] netlink_unicast+0x449/0x710 [ 1762.820925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.820925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.820925][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.820925][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.820925][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.820925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.820925][ T10] [ 1762.823020][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1762.823346][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1762.823346][ T10] netdev_get_by_index+0x5e/0x80 [ 1762.823346][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1762.823346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1762.823346][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1762.823346][ T10] ipv6_add_addr+0x411/0x2000 [ 1762.823346][ T10] inet6_addr_add+0x30e/0xa40 [ 1762.823346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1762.823346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.823346][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.823346][ T10] netlink_unicast+0x449/0x710 [ 1762.823346][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.823346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.823346][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.823346][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.823346][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.823346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.823346][ T10] [ 1762.825364][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1762.825364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1762.825364][ T10] ipv6_find_idev+0x102/0x170 [ 1762.825364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.825364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.825364][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.825364][ T10] netlink_unicast+0x449/0x710 [ 1762.825364][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.825364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.825364][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.825364][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.825364][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.825364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.825364][ T10] [ 1762.826936][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1762.826936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1762.826936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1762.826936][ T10] ipv6_find_idev+0x102/0x170 [ 1762.826936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.826936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.826936][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.826936][ T10] netlink_unicast+0x449/0x710 [ 1762.826936][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.826936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.826936][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.826936][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.826936][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.826936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.826936][ T10] [ 1762.828703][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1762.828965][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1762.828965][ T10] netdev_get_by_index+0x5e/0x80 [ 1762.828965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1762.828965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1762.828965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1762.828965][ T10] ipv6_add_addr+0x411/0x2000 [ 1762.828965][ T10] inet6_addr_add+0x30e/0xa40 [ 1762.828965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1762.828965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.828965][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.828965][ T10] netlink_unicast+0x449/0x710 [ 1762.828965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.828965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.828965][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.828965][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.828965][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.828965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.828965][ T10] [ 1762.830999][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1762.830999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1762.830999][ T10] ipv6_find_idev+0x102/0x170 [ 1762.830999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.830999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.830999][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.830999][ T10] netlink_unicast+0x449/0x710 [ 1762.830999][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.830999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.830999][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.830999][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.830999][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.830999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.830999][ T10] [ 1762.832784][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1762.832784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1762.832784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1762.832784][ T10] ipv6_find_idev+0x102/0x170 [ 1762.832784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.832784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.832784][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.832784][ T10] netlink_unicast+0x449/0x710 [ 1762.832784][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.832784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.832784][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.832784][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.832784][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.832784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.832784][ T10] [ 1762.834814][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1762.835084][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1762.835084][ T10] netdev_get_by_index+0x5e/0x80 [ 1762.835084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1762.835084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1762.835084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1762.835084][ T10] ipv6_add_addr+0x411/0x2000 [ 1762.835084][ T10] inet6_addr_add+0x30e/0xa40 [ 1762.835084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1762.835084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.835084][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.835084][ T10] netlink_unicast+0x449/0x710 [ 1762.835084][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.835084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.835084][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.835084][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.835084][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.835084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.835084][ T10] [ 1762.837273][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1762.837273][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1762.837273][ T10] ipv6_find_idev+0x102/0x170 [ 1762.837273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.837273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.837273][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.837273][ T10] netlink_unicast+0x449/0x710 [ 1762.837273][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.837273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.837273][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.837273][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.837273][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.837273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.837273][ T10] [ 1762.839003][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1762.839003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1762.839003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1762.839003][ T10] ipv6_find_idev+0x102/0x170 [ 1762.839003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.839003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.839003][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.839003][ T10] netlink_unicast+0x449/0x710 [ 1762.839003][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.839003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.839003][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.839003][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.839003][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.839003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.839003][ T10] [ 1762.840971][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1762.841297][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1762.841297][ T10] netdev_get_by_index+0x5e/0x80 [ 1762.841297][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1762.841297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1762.841297][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1762.841297][ T10] ipv6_add_addr+0x411/0x2000 [ 1762.841297][ T10] inet6_addr_add+0x30e/0xa40 [ 1762.841297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1762.841297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.841297][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.841297][ T10] netlink_unicast+0x449/0x710 [ 1762.841297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.841297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.841297][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.841297][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.841297][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.841297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.841297][ T10] [ 1762.843547][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1762.843547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1762.843547][ T10] ipv6_find_idev+0x102/0x170 [ 1762.843547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.843547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.843547][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.843547][ T10] netlink_unicast+0x449/0x710 [ 1762.843547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.843547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.843547][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.843547][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.843547][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.843547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.843547][ T10] [ 1762.845267][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1762.845267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1762.845267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1762.845267][ T10] ipv6_find_idev+0x102/0x170 [ 1762.845267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1762.845267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1762.845267][ T10] netlink_rcv_skb+0x130/0x360 [ 1762.845267][ T10] netlink_unicast+0x449/0x710 [ 1762.845267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1762.845267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1762.845267][ T10] ___sys_sendmsg+0xee/0x170 [ 1762.845267][ T10] __sys_sendmsg+0xcd/0x170 [ 1762.845267][ T10] do_syscall_64+0xc6/0x1e0 [ 1762.845267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1762.845267][ T10] [ 1773.088281][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1773.088865][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1773.088865][ T10] netdev_get_by_index+0x5e/0x80 [ 1773.088865][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1773.088865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1773.088865][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1773.088865][ T10] ipv6_add_addr+0x411/0x2000 [ 1773.088865][ T10] inet6_addr_add+0x30e/0xa40 [ 1773.088865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1773.088865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.088865][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.088865][ T10] netlink_unicast+0x449/0x710 [ 1773.088865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.088865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.088865][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.088865][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.088865][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.088865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.088865][ T10] [ 1773.091167][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1773.091167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1773.091167][ T10] ipv6_find_idev+0x102/0x170 [ 1773.091167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.091167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.091167][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.091167][ T10] netlink_unicast+0x449/0x710 [ 1773.091167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.091167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.091167][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.091167][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.091167][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.091167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.091167][ T10] [ 1773.092934][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1773.092934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1773.092934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1773.092934][ T10] ipv6_find_idev+0x102/0x170 [ 1773.092934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.092934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.092934][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.092934][ T10] netlink_unicast+0x449/0x710 [ 1773.092934][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.092934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.092934][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.092934][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.092934][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.092934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.092934][ T10] [ 1773.094833][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1773.095136][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1773.095136][ T10] netdev_get_by_index+0x5e/0x80 [ 1773.095136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1773.095136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1773.095136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1773.095136][ T10] ipv6_add_addr+0x411/0x2000 [ 1773.095136][ T10] inet6_addr_add+0x30e/0xa40 [ 1773.095136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1773.095136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.095136][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.095136][ T10] netlink_unicast+0x449/0x710 [ 1773.095136][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.095136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.095136][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.095136][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.095136][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.095136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.095136][ T10] [ 1773.097326][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1773.097326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1773.097326][ T10] ipv6_find_idev+0x102/0x170 [ 1773.097326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.097326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.097326][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.097326][ T10] netlink_unicast+0x449/0x710 [ 1773.097326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.097326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.097326][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.097326][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.097326][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.097326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.097326][ T10] [ 1773.099009][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1773.099009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1773.099009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1773.099009][ T10] ipv6_find_idev+0x102/0x170 [ 1773.099009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.099009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.099009][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.099009][ T10] netlink_unicast+0x449/0x710 [ 1773.099009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.099009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.099009][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.099009][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.099009][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.099009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.099009][ T10] [ 1773.100852][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1773.101176][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1773.101176][ T10] netdev_get_by_index+0x5e/0x80 [ 1773.101176][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1773.101176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1773.101176][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1773.101176][ T10] ipv6_add_addr+0x411/0x2000 [ 1773.101176][ T10] inet6_addr_add+0x30e/0xa40 [ 1773.101176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1773.101176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.101176][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.101176][ T10] netlink_unicast+0x449/0x710 [ 1773.101176][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.101176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.101176][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.101176][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.101176][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.101176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.101176][ T10] [ 1773.103400][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1773.103400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1773.103400][ T10] ipv6_find_idev+0x102/0x170 [ 1773.103400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.103400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.103400][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.103400][ T10] netlink_unicast+0x449/0x710 [ 1773.103400][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.103400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.103400][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.103400][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.103400][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.103400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.103400][ T10] [ 1773.105117][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1773.105117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1773.105117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1773.105117][ T10] ipv6_find_idev+0x102/0x170 [ 1773.105117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.105117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.105117][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.105117][ T10] netlink_unicast+0x449/0x710 [ 1773.105117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.105117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.105117][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.105117][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.105117][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.105117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.105117][ T10] [ 1773.107017][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1773.107771][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1773.107771][ T10] netdev_get_by_index+0x5e/0x80 [ 1773.107771][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1773.107771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1773.107771][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1773.107771][ T10] ipv6_add_addr+0x411/0x2000 [ 1773.107771][ T10] inet6_addr_add+0x30e/0xa40 [ 1773.107771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1773.107771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.107771][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.107771][ T10] netlink_unicast+0x449/0x710 [ 1773.107771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.107771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.107771][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.107771][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.107771][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.107771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.107771][ T10] [ 1773.110015][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1773.110015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1773.110015][ T10] ipv6_find_idev+0x102/0x170 [ 1773.110015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.110015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.110015][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.110015][ T10] netlink_unicast+0x449/0x710 [ 1773.110015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.110015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.110015][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.110015][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.110015][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.110015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.110015][ T10] [ 1773.111723][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1773.111723][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1773.111723][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1773.111723][ T10] ipv6_find_idev+0x102/0x170 [ 1773.111723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.111723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.111723][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.111723][ T10] netlink_unicast+0x449/0x710 [ 1773.111723][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.111723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.111723][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.111723][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.111723][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.111723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.111723][ T10] [ 1773.113629][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1773.113962][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1773.113962][ T10] netdev_get_by_index+0x5e/0x80 [ 1773.113962][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1773.113962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1773.113962][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1773.113962][ T10] ipv6_add_addr+0x411/0x2000 [ 1773.113962][ T10] inet6_addr_add+0x30e/0xa40 [ 1773.113962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1773.113962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.113962][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.113962][ T10] netlink_unicast+0x449/0x710 [ 1773.113962][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.113962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.113962][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.113962][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.113962][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.113962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.113962][ T10] [ 1773.116226][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1773.116226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1773.116226][ T10] ipv6_find_idev+0x102/0x170 [ 1773.116226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.116226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.116226][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.116226][ T10] netlink_unicast+0x449/0x710 [ 1773.116226][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.116226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.116226][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.116226][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.116226][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.116226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.116226][ T10] [ 1773.117950][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1773.117950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1773.117950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1773.117950][ T10] ipv6_find_idev+0x102/0x170 [ 1773.117950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.117950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.117950][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.117950][ T10] netlink_unicast+0x449/0x710 [ 1773.117950][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.117950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.117950][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.117950][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.117950][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.117950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.117950][ T10] [ 1773.119835][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1773.120203][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1773.120203][ T10] netdev_get_by_index+0x5e/0x80 [ 1773.120203][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1773.120203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1773.120203][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1773.120203][ T10] ipv6_add_addr+0x411/0x2000 [ 1773.120203][ T10] inet6_addr_add+0x30e/0xa40 [ 1773.120203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1773.120203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.120203][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.120203][ T10] netlink_unicast+0x449/0x710 [ 1773.120203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.120203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.120203][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.120203][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.120203][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.120203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.120203][ T10] [ 1773.122417][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1773.122417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1773.122417][ T10] ipv6_find_idev+0x102/0x170 [ 1773.122417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.122417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.122417][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.122417][ T10] netlink_unicast+0x449/0x710 [ 1773.122417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.122417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.122417][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.122417][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.122417][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.122417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.122417][ T10] [ 1773.124330][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1773.124330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1773.124330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1773.124330][ T10] ipv6_find_idev+0x102/0x170 [ 1773.124330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.124330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.124330][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.124330][ T10] netlink_unicast+0x449/0x710 [ 1773.124330][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.124330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.124330][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.124330][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.124330][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.124330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.124330][ T10] [ 1773.126594][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1773.126929][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1773.126929][ T10] netdev_get_by_index+0x5e/0x80 [ 1773.126929][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1773.126929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1773.126929][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1773.126929][ T10] ipv6_add_addr+0x411/0x2000 [ 1773.126929][ T10] inet6_addr_add+0x30e/0xa40 [ 1773.126929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1773.126929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.126929][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.126929][ T10] netlink_unicast+0x449/0x710 [ 1773.126929][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.126929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.126929][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.126929][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.126929][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.126929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.126929][ T10] [ 1773.129338][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1773.129338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1773.129338][ T10] ipv6_find_idev+0x102/0x170 [ 1773.129338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.129338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.129338][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.129338][ T10] netlink_unicast+0x449/0x710 [ 1773.129338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.129338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.129338][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.129338][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.129338][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.129338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.129338][ T10] [ 1773.131229][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1773.131229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1773.131229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1773.131229][ T10] ipv6_find_idev+0x102/0x170 [ 1773.131229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.131229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.131229][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.131229][ T10] netlink_unicast+0x449/0x710 [ 1773.131229][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.131229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.131229][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.131229][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.131229][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.131229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.131229][ T10] [ 1773.133354][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1773.133695][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1773.133695][ T10] netdev_get_by_index+0x5e/0x80 [ 1773.133695][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1773.133695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1773.133695][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1773.133695][ T10] ipv6_add_addr+0x411/0x2000 [ 1773.133695][ T10] inet6_addr_add+0x30e/0xa40 [ 1773.133695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1773.133695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.133695][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.133695][ T10] netlink_unicast+0x449/0x710 [ 1773.133695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.133695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.133695][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.133695][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.133695][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.133695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.133695][ T10] [ 1773.136184][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1773.136184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1773.136184][ T10] ipv6_find_idev+0x102/0x170 [ 1773.136184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.136184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.136184][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.136184][ T10] netlink_unicast+0x449/0x710 [ 1773.136184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.136184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.136184][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.136184][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.136184][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.136184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.136184][ T10] [ 1773.138102][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1773.138102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1773.138102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1773.138102][ T10] ipv6_find_idev+0x102/0x170 [ 1773.138102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1773.138102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1773.138102][ T10] netlink_rcv_skb+0x130/0x360 [ 1773.138102][ T10] netlink_unicast+0x449/0x710 [ 1773.138102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1773.138102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1773.138102][ T10] ___sys_sendmsg+0xee/0x170 [ 1773.138102][ T10] __sys_sendmsg+0xcd/0x170 [ 1773.138102][ T10] do_syscall_64+0xc6/0x1e0 [ 1773.138102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1773.138102][ T10] [ 1783.400246][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1783.400939][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1783.400939][ T10] netdev_get_by_index+0x5e/0x80 [ 1783.400939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1783.400939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1783.400939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1783.400939][ T10] ipv6_add_addr+0x411/0x2000 [ 1783.400939][ T10] inet6_addr_add+0x30e/0xa40 [ 1783.400939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1783.400939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.400939][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.400939][ T10] netlink_unicast+0x449/0x710 [ 1783.400939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.400939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.400939][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.400939][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.400939][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.400939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.400939][ T10] [ 1783.403325][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1783.403325][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1783.403325][ T10] ipv6_find_idev+0x102/0x170 [ 1783.403325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.403325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.403325][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.403325][ T10] netlink_unicast+0x449/0x710 [ 1783.403325][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.403325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.403325][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.403325][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.403325][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.403325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.403325][ T10] [ 1783.405198][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1783.405198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1783.405198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1783.405198][ T10] ipv6_find_idev+0x102/0x170 [ 1783.405198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.405198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.405198][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.405198][ T10] netlink_unicast+0x449/0x710 [ 1783.405198][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.405198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.405198][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.405198][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.405198][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.405198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.405198][ T10] [ 1783.407178][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1783.407499][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1783.407499][ T10] netdev_get_by_index+0x5e/0x80 [ 1783.407499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1783.407499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1783.407499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1783.407499][ T10] ipv6_add_addr+0x411/0x2000 [ 1783.407499][ T10] inet6_addr_add+0x30e/0xa40 [ 1783.407499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1783.407499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.407499][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.407499][ T10] netlink_unicast+0x449/0x710 [ 1783.407499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.407499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.407499][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.407499][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.407499][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.407499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.407499][ T10] [ 1783.409810][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1783.409810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1783.409810][ T10] ipv6_find_idev+0x102/0x170 [ 1783.409810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.409810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.409810][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.409810][ T10] netlink_unicast+0x449/0x710 [ 1783.409810][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.409810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.409810][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.409810][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.409810][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.409810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.409810][ T10] [ 1783.411553][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1783.411553][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1783.411553][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1783.411553][ T10] ipv6_find_idev+0x102/0x170 [ 1783.411553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.411553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.411553][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.411553][ T10] netlink_unicast+0x449/0x710 [ 1783.411553][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.411553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.411553][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.411553][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.411553][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.411553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.411553][ T10] [ 1783.413487][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1783.413787][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1783.413787][ T10] netdev_get_by_index+0x5e/0x80 [ 1783.413787][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1783.413787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1783.413787][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1783.413787][ T10] ipv6_add_addr+0x411/0x2000 [ 1783.413787][ T10] inet6_addr_add+0x30e/0xa40 [ 1783.413787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1783.413787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.413787][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.413787][ T10] netlink_unicast+0x449/0x710 [ 1783.413787][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.413787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.413787][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.413787][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.413787][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.413787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.413787][ T10] [ 1783.416148][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1783.416148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1783.416148][ T10] ipv6_find_idev+0x102/0x170 [ 1783.416148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.416148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.416148][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.416148][ T10] netlink_unicast+0x449/0x710 [ 1783.416148][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.416148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.416148][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.416148][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.416148][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.416148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.416148][ T10] [ 1783.418145][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1783.418145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1783.418145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1783.418145][ T10] ipv6_find_idev+0x102/0x170 [ 1783.418145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.418145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.418145][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.418145][ T10] netlink_unicast+0x449/0x710 [ 1783.418145][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.418145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.418145][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.418145][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.418145][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.418145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.418145][ T10] [ 1783.420335][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1783.420787][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1783.420787][ T10] netdev_get_by_index+0x5e/0x80 [ 1783.420787][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1783.420787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1783.420787][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1783.420787][ T10] ipv6_add_addr+0x411/0x2000 [ 1783.420787][ T10] inet6_addr_add+0x30e/0xa40 [ 1783.420787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1783.420787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.420787][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.420787][ T10] netlink_unicast+0x449/0x710 [ 1783.420787][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.420787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.420787][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.420787][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.420787][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.420787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.420787][ T10] [ 1783.423415][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1783.423415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1783.423415][ T10] ipv6_find_idev+0x102/0x170 [ 1783.423415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.423415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.423415][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.423415][ T10] netlink_unicast+0x449/0x710 [ 1783.423415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.423415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.423415][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.423415][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.423415][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.423415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.423415][ T10] [ 1783.425361][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1783.425361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1783.425361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1783.425361][ T10] ipv6_find_idev+0x102/0x170 [ 1783.425361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.425361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.425361][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.425361][ T10] netlink_unicast+0x449/0x710 [ 1783.425361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.425361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.425361][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.425361][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.425361][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.425361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.425361][ T10] [ 1783.427634][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1783.427938][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1783.427938][ T10] netdev_get_by_index+0x5e/0x80 [ 1783.427938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1783.427938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1783.427938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1783.427938][ T10] ipv6_add_addr+0x411/0x2000 [ 1783.427938][ T10] inet6_addr_add+0x30e/0xa40 [ 1783.427938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1783.427938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.427938][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.427938][ T10] netlink_unicast+0x449/0x710 [ 1783.427938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.427938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.427938][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.427938][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.427938][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.427938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.427938][ T10] [ 1783.430297][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1783.430297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1783.430297][ T10] ipv6_find_idev+0x102/0x170 [ 1783.430297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.430297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.430297][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.430297][ T10] netlink_unicast+0x449/0x710 [ 1783.430297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.430297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.430297][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.430297][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.430297][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.430297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.430297][ T10] [ 1783.432031][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1783.432031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1783.432031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1783.432031][ T10] ipv6_find_idev+0x102/0x170 [ 1783.432031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.432031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.432031][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.432031][ T10] netlink_unicast+0x449/0x710 [ 1783.432031][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.432031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.432031][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.432031][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.432031][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.432031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.432031][ T10] [ 1783.434561][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1783.435345][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1783.435345][ T10] netdev_get_by_index+0x5e/0x80 [ 1783.435345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1783.435345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1783.435345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1783.435345][ T10] ipv6_add_addr+0x411/0x2000 [ 1783.435345][ T10] inet6_addr_add+0x30e/0xa40 [ 1783.435345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1783.435345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.435345][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.435345][ T10] netlink_unicast+0x449/0x710 [ 1783.435345][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.435345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.435345][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.435345][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.435345][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.435345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.435345][ T10] [ 1783.437668][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1783.437668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1783.437668][ T10] ipv6_find_idev+0x102/0x170 [ 1783.437668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.437668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.437668][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.437668][ T10] netlink_unicast+0x449/0x710 [ 1783.437668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.437668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.437668][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.437668][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.437668][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.437668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.437668][ T10] [ 1783.439493][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1783.439493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1783.439493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1783.439493][ T10] ipv6_find_idev+0x102/0x170 [ 1783.439493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.439493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.439493][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.439493][ T10] netlink_unicast+0x449/0x710 [ 1783.439493][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.439493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.439493][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.439493][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.439493][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.439493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.439493][ T10] [ 1783.441720][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1783.442187][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1783.442187][ T10] netdev_get_by_index+0x5e/0x80 [ 1783.442187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1783.442187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1783.442187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1783.442187][ T10] ipv6_add_addr+0x411/0x2000 [ 1783.442187][ T10] inet6_addr_add+0x30e/0xa40 [ 1783.442187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1783.442187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.442187][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.442187][ T10] netlink_unicast+0x449/0x710 [ 1783.442187][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.442187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.442187][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.442187][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.442187][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.442187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.442187][ T10] [ 1783.444512][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1783.444512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1783.444512][ T10] ipv6_find_idev+0x102/0x170 [ 1783.444512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.444512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.444512][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.444512][ T10] netlink_unicast+0x449/0x710 [ 1783.444512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.444512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.444512][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.444512][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.444512][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.444512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.444512][ T10] [ 1783.446517][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1783.446517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1783.446517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1783.446517][ T10] ipv6_find_idev+0x102/0x170 [ 1783.446517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.446517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.446517][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.446517][ T10] netlink_unicast+0x449/0x710 [ 1783.446517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.446517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.446517][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.446517][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.446517][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.446517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.446517][ T10] [ 1783.448747][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1783.449098][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1783.449098][ T10] netdev_get_by_index+0x5e/0x80 [ 1783.449098][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1783.449098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1783.449098][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1783.449098][ T10] ipv6_add_addr+0x411/0x2000 [ 1783.449098][ T10] inet6_addr_add+0x30e/0xa40 [ 1783.449098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1783.449098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.449098][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.449098][ T10] netlink_unicast+0x449/0x710 [ 1783.449098][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.449098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.449098][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.449098][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.449098][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.449098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.449098][ T10] [ 1783.451475][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1783.451475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1783.451475][ T10] ipv6_find_idev+0x102/0x170 [ 1783.451475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.451475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.451475][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.451475][ T10] netlink_unicast+0x449/0x710 [ 1783.451475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.451475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.451475][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.451475][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.451475][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.451475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.451475][ T10] [ 1783.453249][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1783.453249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1783.453249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1783.453249][ T10] ipv6_find_idev+0x102/0x170 [ 1783.453249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1783.453249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1783.453249][ T10] netlink_rcv_skb+0x130/0x360 [ 1783.453249][ T10] netlink_unicast+0x449/0x710 [ 1783.453249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1783.453249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1783.453249][ T10] ___sys_sendmsg+0xee/0x170 [ 1783.453249][ T10] __sys_sendmsg+0xcd/0x170 [ 1783.453249][ T10] do_syscall_64+0xc6/0x1e0 [ 1783.453249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1783.453249][ T10] [ 1793.592123][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1793.592458][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1793.592458][ T10] netdev_get_by_index+0x5e/0x80 [ 1793.592458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1793.592458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1793.592458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1793.592458][ T10] ipv6_add_addr+0x411/0x2000 [ 1793.592458][ T10] inet6_addr_add+0x30e/0xa40 [ 1793.592458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1793.592458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.592458][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.592458][ T10] netlink_unicast+0x449/0x710 [ 1793.592458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.592458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.592458][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.592458][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.592458][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.592458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.592458][ T10] [ 1793.594496][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1793.594496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1793.594496][ T10] ipv6_find_idev+0x102/0x170 [ 1793.594496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.594496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.594496][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.594496][ T10] netlink_unicast+0x449/0x710 [ 1793.594496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.594496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.594496][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.594496][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.594496][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.594496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.594496][ T10] [ 1793.596077][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1793.596077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1793.596077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1793.596077][ T10] ipv6_find_idev+0x102/0x170 [ 1793.596077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.596077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.596077][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.596077][ T10] netlink_unicast+0x449/0x710 [ 1793.596077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.596077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.596077][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.596077][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.596077][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.596077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.596077][ T10] [ 1793.598311][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1793.598584][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1793.598584][ T10] netdev_get_by_index+0x5e/0x80 [ 1793.598584][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1793.598584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1793.598584][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1793.598584][ T10] ipv6_add_addr+0x411/0x2000 [ 1793.598584][ T10] inet6_addr_add+0x30e/0xa40 [ 1793.598584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1793.598584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.598584][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.598584][ T10] netlink_unicast+0x449/0x710 [ 1793.598584][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.598584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.598584][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.598584][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.598584][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.598584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.598584][ T10] [ 1793.600597][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1793.600597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1793.600597][ T10] ipv6_find_idev+0x102/0x170 [ 1793.600597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.600597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.600597][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.600597][ T10] netlink_unicast+0x449/0x710 [ 1793.600597][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.600597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.600597][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.600597][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.600597][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.600597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.600597][ T10] [ 1793.602167][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1793.602167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1793.602167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1793.602167][ T10] ipv6_find_idev+0x102/0x170 [ 1793.602167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.602167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.602167][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.602167][ T10] netlink_unicast+0x449/0x710 [ 1793.602167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.602167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.602167][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.602167][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.602167][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.602167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.602167][ T10] [ 1793.603951][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1793.604321][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1793.604321][ T10] netdev_get_by_index+0x5e/0x80 [ 1793.604321][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1793.604321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1793.604321][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1793.604321][ T10] ipv6_add_addr+0x411/0x2000 [ 1793.604321][ T10] inet6_addr_add+0x30e/0xa40 [ 1793.604321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1793.604321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.604321][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.604321][ T10] netlink_unicast+0x449/0x710 [ 1793.604321][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.604321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.604321][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.604321][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.604321][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.604321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.604321][ T10] [ 1793.606344][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1793.606344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1793.606344][ T10] ipv6_find_idev+0x102/0x170 [ 1793.606344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.606344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.606344][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.606344][ T10] netlink_unicast+0x449/0x710 [ 1793.606344][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.606344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.606344][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.606344][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.606344][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.606344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.606344][ T10] [ 1793.608020][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1793.608020][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1793.608020][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1793.608020][ T10] ipv6_find_idev+0x102/0x170 [ 1793.608020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.608020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.608020][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.608020][ T10] netlink_unicast+0x449/0x710 [ 1793.608020][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.608020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.608020][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.608020][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.608020][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.608020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.608020][ T10] [ 1793.609983][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1793.610319][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1793.610319][ T10] netdev_get_by_index+0x5e/0x80 [ 1793.610319][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1793.610319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1793.610319][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1793.610319][ T10] ipv6_add_addr+0x411/0x2000 [ 1793.610319][ T10] inet6_addr_add+0x30e/0xa40 [ 1793.610319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1793.610319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.610319][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.610319][ T10] netlink_unicast+0x449/0x710 [ 1793.610319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.610319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.610319][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.610319][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.610319][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.610319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.610319][ T10] [ 1793.612405][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1793.612405][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1793.612405][ T10] ipv6_find_idev+0x102/0x170 [ 1793.612405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.612405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.612405][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.612405][ T10] netlink_unicast+0x449/0x710 [ 1793.612405][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.612405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.612405][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.612405][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.612405][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.612405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.612405][ T10] [ 1793.613931][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1793.613931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1793.613931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1793.613931][ T10] ipv6_find_idev+0x102/0x170 [ 1793.613931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.613931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.613931][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.613931][ T10] netlink_unicast+0x449/0x710 [ 1793.613931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.613931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.613931][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.613931][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.613931][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.613931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.613931][ T10] [ 1793.615642][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1793.615907][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1793.615907][ T10] netdev_get_by_index+0x5e/0x80 [ 1793.615907][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1793.615907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1793.615907][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1793.615907][ T10] ipv6_add_addr+0x411/0x2000 [ 1793.615907][ T10] inet6_addr_add+0x30e/0xa40 [ 1793.615907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1793.615907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.615907][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.615907][ T10] netlink_unicast+0x449/0x710 [ 1793.615907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.615907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.615907][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.615907][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.615907][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.615907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.615907][ T10] [ 1793.618142][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1793.618142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1793.618142][ T10] ipv6_find_idev+0x102/0x170 [ 1793.618142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.618142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.618142][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.618142][ T10] netlink_unicast+0x449/0x710 [ 1793.618142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.618142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.618142][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.618142][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.618142][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.618142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.618142][ T10] [ 1793.619814][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1793.619814][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1793.619814][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1793.619814][ T10] ipv6_find_idev+0x102/0x170 [ 1793.619814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.619814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.619814][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.619814][ T10] netlink_unicast+0x449/0x710 [ 1793.619814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.619814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.619814][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.619814][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.619814][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.619814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.619814][ T10] [ 1793.621735][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1793.622008][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1793.622008][ T10] netdev_get_by_index+0x5e/0x80 [ 1793.622008][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1793.622008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1793.622008][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1793.622008][ T10] ipv6_add_addr+0x411/0x2000 [ 1793.622008][ T10] inet6_addr_add+0x30e/0xa40 [ 1793.622008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1793.622008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.622008][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.622008][ T10] netlink_unicast+0x449/0x710 [ 1793.622008][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.622008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.622008][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.622008][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.622008][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.622008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.622008][ T10] [ 1793.624031][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1793.624031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1793.624031][ T10] ipv6_find_idev+0x102/0x170 [ 1793.624031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.624031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.624031][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.624031][ T10] netlink_unicast+0x449/0x710 [ 1793.624031][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.624031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.624031][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.624031][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.624031][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.624031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.624031][ T10] [ 1793.625582][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1793.625582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1793.625582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1793.625582][ T10] ipv6_find_idev+0x102/0x170 [ 1793.625582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.625582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.625582][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.625582][ T10] netlink_unicast+0x449/0x710 [ 1793.625582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.625582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.625582][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.625582][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.625582][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.625582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.625582][ T10] [ 1793.627315][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1793.627579][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1793.627579][ T10] netdev_get_by_index+0x5e/0x80 [ 1793.627579][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1793.627579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1793.627579][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1793.627579][ T10] ipv6_add_addr+0x411/0x2000 [ 1793.627579][ T10] inet6_addr_add+0x30e/0xa40 [ 1793.627579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1793.627579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.627579][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.627579][ T10] netlink_unicast+0x449/0x710 [ 1793.627579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.627579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.627579][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.627579][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.627579][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.627579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.627579][ T10] [ 1793.629849][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1793.629849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1793.629849][ T10] ipv6_find_idev+0x102/0x170 [ 1793.629849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.629849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.629849][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.629849][ T10] netlink_unicast+0x449/0x710 [ 1793.629849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.629849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.629849][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.629849][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.629849][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.629849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.629849][ T10] [ 1793.631616][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1793.631616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1793.631616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1793.631616][ T10] ipv6_find_idev+0x102/0x170 [ 1793.631616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.631616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.631616][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.631616][ T10] netlink_unicast+0x449/0x710 [ 1793.631616][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.631616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.631616][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.631616][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.631616][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.631616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.631616][ T10] [ 1793.633493][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1793.633763][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1793.633763][ T10] netdev_get_by_index+0x5e/0x80 [ 1793.633763][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1793.633763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1793.633763][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1793.633763][ T10] ipv6_add_addr+0x411/0x2000 [ 1793.633763][ T10] inet6_addr_add+0x30e/0xa40 [ 1793.633763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1793.633763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.633763][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.633763][ T10] netlink_unicast+0x449/0x710 [ 1793.633763][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.633763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.633763][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.633763][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.633763][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.633763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.633763][ T10] [ 1793.635846][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1793.635846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1793.635846][ T10] ipv6_find_idev+0x102/0x170 [ 1793.635846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.635846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.635846][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.635846][ T10] netlink_unicast+0x449/0x710 [ 1793.635846][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.635846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.635846][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.635846][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.635846][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.635846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.635846][ T10] [ 1793.637604][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1793.637604][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1793.637604][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1793.637604][ T10] ipv6_find_idev+0x102/0x170 [ 1793.637604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1793.637604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1793.637604][ T10] netlink_rcv_skb+0x130/0x360 [ 1793.637604][ T10] netlink_unicast+0x449/0x710 [ 1793.637604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1793.637604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1793.637604][ T10] ___sys_sendmsg+0xee/0x170 [ 1793.637604][ T10] __sys_sendmsg+0xcd/0x170 [ 1793.637604][ T10] do_syscall_64+0xc6/0x1e0 [ 1793.637604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1793.637604][ T10] [ 1803.672285][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1803.673157][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1803.673157][ T10] netdev_get_by_index+0x5e/0x80 [ 1803.673157][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1803.673157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1803.673157][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1803.673157][ T10] ipv6_add_addr+0x411/0x2000 [ 1803.673157][ T10] inet6_addr_add+0x30e/0xa40 [ 1803.673157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1803.673157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.673157][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.673157][ T10] netlink_unicast+0x449/0x710 [ 1803.673157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.673157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.673157][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.673157][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.673157][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.673157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.673157][ T10] [ 1803.675503][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1803.675503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1803.675503][ T10] ipv6_find_idev+0x102/0x170 [ 1803.675503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.675503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.675503][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.675503][ T10] netlink_unicast+0x449/0x710 [ 1803.675503][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.675503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.675503][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.675503][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.675503][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.675503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.675503][ T10] [ 1803.677381][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1803.677381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1803.677381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1803.677381][ T10] ipv6_find_idev+0x102/0x170 [ 1803.677381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.677381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.677381][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.677381][ T10] netlink_unicast+0x449/0x710 [ 1803.677381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.677381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.677381][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.677381][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.677381][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.677381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.677381][ T10] [ 1803.679343][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1803.679675][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1803.679675][ T10] netdev_get_by_index+0x5e/0x80 [ 1803.679675][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1803.679675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1803.679675][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1803.679675][ T10] ipv6_add_addr+0x411/0x2000 [ 1803.679675][ T10] inet6_addr_add+0x30e/0xa40 [ 1803.679675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1803.679675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.679675][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.679675][ T10] netlink_unicast+0x449/0x710 [ 1803.679675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.679675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.679675][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.679675][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.679675][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.679675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.679675][ T10] [ 1803.681951][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1803.681951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1803.681951][ T10] ipv6_find_idev+0x102/0x170 [ 1803.681951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.681951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.681951][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.681951][ T10] netlink_unicast+0x449/0x710 [ 1803.681951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.681951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.681951][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.681951][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.681951][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.681951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.681951][ T10] [ 1803.683747][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1803.683747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1803.683747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1803.683747][ T10] ipv6_find_idev+0x102/0x170 [ 1803.683747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.683747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.683747][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.683747][ T10] netlink_unicast+0x449/0x710 [ 1803.683747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.683747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.683747][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.683747][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.683747][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.683747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.683747][ T10] [ 1803.685631][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1803.685918][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1803.685918][ T10] netdev_get_by_index+0x5e/0x80 [ 1803.685918][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1803.685918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1803.685918][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1803.685918][ T10] ipv6_add_addr+0x411/0x2000 [ 1803.685918][ T10] inet6_addr_add+0x30e/0xa40 [ 1803.685918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1803.685918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.685918][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.685918][ T10] netlink_unicast+0x449/0x710 [ 1803.685918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.685918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.685918][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.685918][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.685918][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.685918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.685918][ T10] [ 1803.688135][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1803.688135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1803.688135][ T10] ipv6_find_idev+0x102/0x170 [ 1803.688135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.688135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.688135][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.688135][ T10] netlink_unicast+0x449/0x710 [ 1803.688135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.688135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.688135][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.688135][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.688135][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.688135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.688135][ T10] [ 1803.689831][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1803.689831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1803.689831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1803.689831][ T10] ipv6_find_idev+0x102/0x170 [ 1803.689831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.689831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.689831][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.689831][ T10] netlink_unicast+0x449/0x710 [ 1803.689831][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.689831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.689831][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.689831][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.689831][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.689831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.689831][ T10] [ 1803.691784][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1803.692080][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1803.692080][ T10] netdev_get_by_index+0x5e/0x80 [ 1803.692080][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1803.692080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1803.692080][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1803.692080][ T10] ipv6_add_addr+0x411/0x2000 [ 1803.692080][ T10] inet6_addr_add+0x30e/0xa40 [ 1803.692080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1803.692080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.692080][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.692080][ T10] netlink_unicast+0x449/0x710 [ 1803.692080][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.692080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.692080][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.692080][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.692080][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.692080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.692080][ T10] [ 1803.694378][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1803.694378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1803.694378][ T10] ipv6_find_idev+0x102/0x170 [ 1803.694378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.694378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.694378][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.694378][ T10] netlink_unicast+0x449/0x710 [ 1803.694378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.694378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.694378][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.694378][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.694378][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.694378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.694378][ T10] [ 1803.696119][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1803.696119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1803.696119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1803.696119][ T10] ipv6_find_idev+0x102/0x170 [ 1803.696119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.696119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.696119][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.696119][ T10] netlink_unicast+0x449/0x710 [ 1803.696119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.696119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.696119][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.696119][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.696119][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.696119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.696119][ T10] [ 1803.698535][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1803.699202][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1803.699202][ T10] netdev_get_by_index+0x5e/0x80 [ 1803.699202][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1803.699202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1803.699202][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1803.699202][ T10] ipv6_add_addr+0x411/0x2000 [ 1803.699202][ T10] inet6_addr_add+0x30e/0xa40 [ 1803.699202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1803.699202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.699202][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.699202][ T10] netlink_unicast+0x449/0x710 [ 1803.699202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.699202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.699202][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.699202][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.699202][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.699202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.699202][ T10] [ 1803.701403][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1803.701403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1803.701403][ T10] ipv6_find_idev+0x102/0x170 [ 1803.701403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.701403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.701403][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.701403][ T10] netlink_unicast+0x449/0x710 [ 1803.701403][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.701403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.701403][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.701403][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.701403][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.701403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.701403][ T10] [ 1803.703166][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1803.703166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1803.703166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1803.703166][ T10] ipv6_find_idev+0x102/0x170 [ 1803.703166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.703166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.703166][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.703166][ T10] netlink_unicast+0x449/0x710 [ 1803.703166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.703166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.703166][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.703166][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.703166][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.703166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.703166][ T10] [ 1803.705045][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1803.705419][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1803.705419][ T10] netdev_get_by_index+0x5e/0x80 [ 1803.705419][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1803.705419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1803.705419][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1803.705419][ T10] ipv6_add_addr+0x411/0x2000 [ 1803.705419][ T10] inet6_addr_add+0x30e/0xa40 [ 1803.705419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1803.705419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.705419][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.705419][ T10] netlink_unicast+0x449/0x710 [ 1803.705419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.705419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.705419][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.705419][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.705419][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.705419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.705419][ T10] [ 1803.707692][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1803.707692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1803.707692][ T10] ipv6_find_idev+0x102/0x170 [ 1803.707692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.707692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.707692][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.707692][ T10] netlink_unicast+0x449/0x710 [ 1803.707692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.707692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.707692][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.707692][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.707692][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.707692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.707692][ T10] [ 1803.709393][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1803.709393][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1803.709393][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1803.709393][ T10] ipv6_find_idev+0x102/0x170 [ 1803.709393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.709393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.709393][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.709393][ T10] netlink_unicast+0x449/0x710 [ 1803.709393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.709393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.709393][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.709393][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.709393][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.709393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.709393][ T10] [ 1803.711601][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1803.711957][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1803.711957][ T10] netdev_get_by_index+0x5e/0x80 [ 1803.711957][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1803.711957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1803.711957][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1803.711957][ T10] ipv6_add_addr+0x411/0x2000 [ 1803.711957][ T10] inet6_addr_add+0x30e/0xa40 [ 1803.711957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1803.711957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.711957][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.711957][ T10] netlink_unicast+0x449/0x710 [ 1803.711957][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.711957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.711957][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.711957][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.711957][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.711957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.711957][ T10] [ 1803.714462][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1803.714462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1803.714462][ T10] ipv6_find_idev+0x102/0x170 [ 1803.714462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.714462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.714462][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.714462][ T10] netlink_unicast+0x449/0x710 [ 1803.714462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.714462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.714462][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.714462][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.714462][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.714462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.714462][ T10] [ 1803.716378][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1803.716378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1803.716378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1803.716378][ T10] ipv6_find_idev+0x102/0x170 [ 1803.716378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.716378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.716378][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.716378][ T10] netlink_unicast+0x449/0x710 [ 1803.716378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.716378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.716378][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.716378][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.716378][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.716378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.716378][ T10] [ 1803.718484][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1803.718823][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1803.718823][ T10] netdev_get_by_index+0x5e/0x80 [ 1803.718823][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1803.718823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1803.718823][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1803.718823][ T10] ipv6_add_addr+0x411/0x2000 [ 1803.718823][ T10] inet6_addr_add+0x30e/0xa40 [ 1803.718823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1803.718823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.718823][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.718823][ T10] netlink_unicast+0x449/0x710 [ 1803.718823][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.718823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.718823][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.718823][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.718823][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.718823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.718823][ T10] [ 1803.721214][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1803.721214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1803.721214][ T10] ipv6_find_idev+0x102/0x170 [ 1803.721214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.721214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.721214][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.721214][ T10] netlink_unicast+0x449/0x710 [ 1803.721214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.721214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.721214][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.721214][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.721214][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.721214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.721214][ T10] [ 1803.723039][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1803.723039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1803.723039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1803.723039][ T10] ipv6_find_idev+0x102/0x170 [ 1803.723039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1803.723039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1803.723039][ T10] netlink_rcv_skb+0x130/0x360 [ 1803.723039][ T10] netlink_unicast+0x449/0x710 [ 1803.723039][ T10] netlink_sendmsg+0x723/0xbe0 [ 1803.723039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1803.723039][ T10] ___sys_sendmsg+0xee/0x170 [ 1803.723039][ T10] __sys_sendmsg+0xcd/0x170 [ 1803.723039][ T10] do_syscall_64+0xc6/0x1e0 [ 1803.723039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1803.723039][ T10] [ 1813.792317][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1813.793101][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1813.793101][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.793101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1813.793101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.793101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1813.793101][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.793101][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.793101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.793101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.793101][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.793101][ T10] netlink_unicast+0x449/0x710 [ 1813.793101][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.793101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.793101][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.793101][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.793101][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.793101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.793101][ T10] [ 1813.795329][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1813.795329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.795329][ T10] ipv6_find_idev+0x102/0x170 [ 1813.795329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.795329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.795329][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.795329][ T10] netlink_unicast+0x449/0x710 [ 1813.795329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.795329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.795329][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.795329][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.795329][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.795329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.795329][ T10] [ 1813.797070][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1813.797070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.797070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.797070][ T10] ipv6_find_idev+0x102/0x170 [ 1813.797070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.797070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.797070][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.797070][ T10] netlink_unicast+0x449/0x710 [ 1813.797070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.797070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.797070][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.797070][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.797070][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.797070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.797070][ T10] [ 1813.799017][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1813.799347][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1813.799347][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.799347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1813.799347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.799347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1813.799347][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.799347][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.799347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.799347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.799347][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.799347][ T10] netlink_unicast+0x449/0x710 [ 1813.799347][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.799347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.799347][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.799347][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.799347][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.799347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.799347][ T10] [ 1813.801559][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1813.801559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.801559][ T10] ipv6_find_idev+0x102/0x170 [ 1813.801559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.801559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.801559][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.801559][ T10] netlink_unicast+0x449/0x710 [ 1813.801559][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.801559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.801559][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.801559][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.801559][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.801559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.801559][ T10] [ 1813.803235][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1813.803235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.803235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.803235][ T10] ipv6_find_idev+0x102/0x170 [ 1813.803235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.803235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.803235][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.803235][ T10] netlink_unicast+0x449/0x710 [ 1813.803235][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.803235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.803235][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.803235][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.803235][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.803235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.803235][ T10] [ 1813.805124][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1813.805421][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1813.805421][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.805421][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1813.805421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.805421][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1813.805421][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.805421][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.805421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.805421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.805421][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.805421][ T10] netlink_unicast+0x449/0x710 [ 1813.805421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.805421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.805421][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.805421][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.805421][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.805421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.805421][ T10] [ 1813.807672][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1813.807672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.807672][ T10] ipv6_find_idev+0x102/0x170 [ 1813.807672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.807672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.807672][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.807672][ T10] netlink_unicast+0x449/0x710 [ 1813.807672][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.807672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.807672][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.807672][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.807672][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.807672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.807672][ T10] [ 1813.809387][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1813.809387][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.809387][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.809387][ T10] ipv6_find_idev+0x102/0x170 [ 1813.809387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.809387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.809387][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.809387][ T10] netlink_unicast+0x449/0x710 [ 1813.809387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.809387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.809387][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.809387][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.809387][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.809387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.809387][ T10] [ 1813.811289][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1813.811594][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1813.811594][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.811594][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1813.811594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.811594][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1813.811594][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.811594][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.811594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.811594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.811594][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.811594][ T10] netlink_unicast+0x449/0x710 [ 1813.811594][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.811594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.811594][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.811594][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.811594][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.811594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.811594][ T10] [ 1813.813830][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1813.813830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.813830][ T10] ipv6_find_idev+0x102/0x170 [ 1813.813830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.813830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.813830][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.813830][ T10] netlink_unicast+0x449/0x710 [ 1813.813830][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.813830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.813830][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.813830][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.813830][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.813830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.813830][ T10] [ 1813.815549][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1813.815549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.815549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.815549][ T10] ipv6_find_idev+0x102/0x170 [ 1813.815549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.815549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.815549][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.815549][ T10] netlink_unicast+0x449/0x710 [ 1813.815549][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.815549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.815549][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.815549][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.815549][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.815549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.815549][ T10] [ 1813.817830][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1813.818464][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1813.818464][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.818464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1813.818464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.818464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1813.818464][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.818464][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.818464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.818464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.818464][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.818464][ T10] netlink_unicast+0x449/0x710 [ 1813.818464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.818464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.818464][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.818464][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.818464][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.818464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.818464][ T10] [ 1813.820688][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1813.820688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.820688][ T10] ipv6_find_idev+0x102/0x170 [ 1813.820688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.820688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.820688][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.820688][ T10] netlink_unicast+0x449/0x710 [ 1813.820688][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.820688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.820688][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.820688][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.820688][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.820688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.820688][ T10] [ 1813.822372][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1813.822372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.822372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.822372][ T10] ipv6_find_idev+0x102/0x170 [ 1813.822372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.822372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.822372][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.822372][ T10] netlink_unicast+0x449/0x710 [ 1813.822372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.822372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.822372][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.822372][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.822372][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.822372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.822372][ T10] [ 1813.824208][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1813.824492][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1813.824492][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.824492][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1813.824492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.824492][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1813.824492][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.824492][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.824492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.824492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.824492][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.824492][ T10] netlink_unicast+0x449/0x710 [ 1813.824492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.824492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.824492][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.824492][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.824492][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.824492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.824492][ T10] [ 1813.826721][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1813.826721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.826721][ T10] ipv6_find_idev+0x102/0x170 [ 1813.826721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.826721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.826721][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.826721][ T10] netlink_unicast+0x449/0x710 [ 1813.826721][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.826721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.826721][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.826721][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.826721][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.826721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.826721][ T10] [ 1813.828496][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1813.828496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.828496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.828496][ T10] ipv6_find_idev+0x102/0x170 [ 1813.828496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.828496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.828496][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.828496][ T10] netlink_unicast+0x449/0x710 [ 1813.828496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.828496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.828496][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.828496][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.828496][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.828496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.828496][ T10] [ 1813.830656][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1813.830992][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1813.830992][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.830992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1813.830992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.830992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1813.830992][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.830992][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.830992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.830992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.830992][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.830992][ T10] netlink_unicast+0x449/0x710 [ 1813.830992][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.830992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.830992][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.830992][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.830992][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.830992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.830992][ T10] [ 1813.833386][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1813.833386][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.833386][ T10] ipv6_find_idev+0x102/0x170 [ 1813.833386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.833386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.833386][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.833386][ T10] netlink_unicast+0x449/0x710 [ 1813.833386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.833386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.833386][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.833386][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.833386][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.833386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.833386][ T10] [ 1813.835293][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1813.835293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.835293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.835293][ T10] ipv6_find_idev+0x102/0x170 [ 1813.835293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.835293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.835293][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.835293][ T10] netlink_unicast+0x449/0x710 [ 1813.835293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.835293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.835293][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.835293][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.835293][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.835293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.835293][ T10] [ 1813.837424][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1813.837753][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1813.837753][ T10] netdev_get_by_index+0x5e/0x80 [ 1813.837753][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1813.837753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1813.837753][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1813.837753][ T10] ipv6_add_addr+0x411/0x2000 [ 1813.837753][ T10] inet6_addr_add+0x30e/0xa40 [ 1813.837753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1813.837753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.837753][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.837753][ T10] netlink_unicast+0x449/0x710 [ 1813.837753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.837753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.837753][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.837753][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.837753][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.837753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.837753][ T10] [ 1813.840176][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1813.840176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1813.840176][ T10] ipv6_find_idev+0x102/0x170 [ 1813.840176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.840176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.840176][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.840176][ T10] netlink_unicast+0x449/0x710 [ 1813.840176][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.840176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.840176][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.840176][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.840176][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.840176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.840176][ T10] [ 1813.842100][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1813.842100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1813.842100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1813.842100][ T10] ipv6_find_idev+0x102/0x170 [ 1813.842100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1813.842100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1813.842100][ T10] netlink_rcv_skb+0x130/0x360 [ 1813.842100][ T10] netlink_unicast+0x449/0x710 [ 1813.842100][ T10] netlink_sendmsg+0x723/0xbe0 [ 1813.842100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1813.842100][ T10] ___sys_sendmsg+0xee/0x170 [ 1813.842100][ T10] __sys_sendmsg+0xcd/0x170 [ 1813.842100][ T10] do_syscall_64+0xc6/0x1e0 [ 1813.842100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1813.842100][ T10] [ 1824.080280][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1824.080923][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1824.080923][ T10] netdev_get_by_index+0x5e/0x80 [ 1824.080923][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1824.080923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1824.080923][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1824.080923][ T10] ipv6_add_addr+0x411/0x2000 [ 1824.080923][ T10] inet6_addr_add+0x30e/0xa40 [ 1824.080923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1824.080923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.080923][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.080923][ T10] netlink_unicast+0x449/0x710 [ 1824.080923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.080923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.080923][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.080923][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.080923][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.080923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.080923][ T10] [ 1824.083219][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1824.083219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1824.083219][ T10] ipv6_find_idev+0x102/0x170 [ 1824.083219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.083219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.083219][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.083219][ T10] netlink_unicast+0x449/0x710 [ 1824.083219][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.083219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.083219][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.083219][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.083219][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.083219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.083219][ T10] [ 1824.084934][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1824.084934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1824.084934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1824.084934][ T10] ipv6_find_idev+0x102/0x170 [ 1824.084934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.084934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.084934][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.084934][ T10] netlink_unicast+0x449/0x710 [ 1824.084934][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.084934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.084934][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.084934][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.084934][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.084934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.084934][ T10] [ 1824.086875][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1824.087194][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1824.087194][ T10] netdev_get_by_index+0x5e/0x80 [ 1824.087194][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1824.087194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1824.087194][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1824.087194][ T10] ipv6_add_addr+0x411/0x2000 [ 1824.087194][ T10] inet6_addr_add+0x30e/0xa40 [ 1824.087194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1824.087194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.087194][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.087194][ T10] netlink_unicast+0x449/0x710 [ 1824.087194][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.087194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.087194][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.087194][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.087194][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.087194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.087194][ T10] [ 1824.089357][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1824.089357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1824.089357][ T10] ipv6_find_idev+0x102/0x170 [ 1824.089357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.089357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.089357][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.089357][ T10] netlink_unicast+0x449/0x710 [ 1824.089357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.089357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.089357][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.089357][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.089357][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.089357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.089357][ T10] [ 1824.091052][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1824.091052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1824.091052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1824.091052][ T10] ipv6_find_idev+0x102/0x170 [ 1824.091052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.091052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.091052][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.091052][ T10] netlink_unicast+0x449/0x710 [ 1824.091052][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.091052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.091052][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.091052][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.091052][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.091052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.091052][ T10] [ 1824.092942][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1824.093266][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1824.093266][ T10] netdev_get_by_index+0x5e/0x80 [ 1824.093266][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1824.093266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1824.093266][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1824.093266][ T10] ipv6_add_addr+0x411/0x2000 [ 1824.093266][ T10] inet6_addr_add+0x30e/0xa40 [ 1824.093266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1824.093266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.093266][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.093266][ T10] netlink_unicast+0x449/0x710 [ 1824.093266][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.093266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.093266][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.093266][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.093266][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.093266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.093266][ T10] [ 1824.095486][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1824.095486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1824.095486][ T10] ipv6_find_idev+0x102/0x170 [ 1824.095486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.095486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.095486][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.095486][ T10] netlink_unicast+0x449/0x710 [ 1824.095486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.095486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.095486][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.095486][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.095486][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.095486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.095486][ T10] [ 1824.097203][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1824.097203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1824.097203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1824.097203][ T10] ipv6_find_idev+0x102/0x170 [ 1824.097203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.097203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.097203][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.097203][ T10] netlink_unicast+0x449/0x710 [ 1824.097203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.097203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.097203][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.097203][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.097203][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.097203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.097203][ T10] [ 1824.099070][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1824.099815][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1824.099815][ T10] netdev_get_by_index+0x5e/0x80 [ 1824.099815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1824.099815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1824.099815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1824.099815][ T10] ipv6_add_addr+0x411/0x2000 [ 1824.099815][ T10] inet6_addr_add+0x30e/0xa40 [ 1824.099815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1824.099815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.099815][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.099815][ T10] netlink_unicast+0x449/0x710 [ 1824.099815][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.099815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.099815][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.099815][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.099815][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.099815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.099815][ T10] [ 1824.101989][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1824.101989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1824.101989][ T10] ipv6_find_idev+0x102/0x170 [ 1824.101989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.101989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.101989][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.101989][ T10] netlink_unicast+0x449/0x710 [ 1824.101989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.101989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.101989][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.101989][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.101989][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.101989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.101989][ T10] [ 1824.103678][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1824.103678][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1824.103678][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1824.103678][ T10] ipv6_find_idev+0x102/0x170 [ 1824.103678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.103678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.103678][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.103678][ T10] netlink_unicast+0x449/0x710 [ 1824.103678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.103678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.103678][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.103678][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.103678][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.103678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.103678][ T10] [ 1824.105594][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1824.105930][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1824.105930][ T10] netdev_get_by_index+0x5e/0x80 [ 1824.105930][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1824.105930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1824.105930][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1824.105930][ T10] ipv6_add_addr+0x411/0x2000 [ 1824.105930][ T10] inet6_addr_add+0x30e/0xa40 [ 1824.105930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1824.105930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.105930][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.105930][ T10] netlink_unicast+0x449/0x710 [ 1824.105930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.105930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.105930][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.105930][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.105930][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.105930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.105930][ T10] [ 1824.108178][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1824.108178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1824.108178][ T10] ipv6_find_idev+0x102/0x170 [ 1824.108178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.108178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.108178][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.108178][ T10] netlink_unicast+0x449/0x710 [ 1824.108178][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.108178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.108178][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.108178][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.108178][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.108178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.108178][ T10] [ 1824.109908][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1824.109908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1824.109908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1824.109908][ T10] ipv6_find_idev+0x102/0x170 [ 1824.109908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.109908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.109908][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.109908][ T10] netlink_unicast+0x449/0x710 [ 1824.109908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.109908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.109908][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.109908][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.109908][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.109908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.109908][ T10] [ 1824.111802][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1824.112137][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1824.112137][ T10] netdev_get_by_index+0x5e/0x80 [ 1824.112137][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1824.112137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1824.112137][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1824.112137][ T10] ipv6_add_addr+0x411/0x2000 [ 1824.112137][ T10] inet6_addr_add+0x30e/0xa40 [ 1824.112137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1824.112137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.112137][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.112137][ T10] netlink_unicast+0x449/0x710 [ 1824.112137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.112137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.112137][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.112137][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.112137][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.112137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.112137][ T10] [ 1824.114344][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1824.114344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1824.114344][ T10] ipv6_find_idev+0x102/0x170 [ 1824.114344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.114344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.114344][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.114344][ T10] netlink_unicast+0x449/0x710 [ 1824.114344][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.114344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.114344][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.114344][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.114344][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.114344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.114344][ T10] [ 1824.116256][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1824.116256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1824.116256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1824.116256][ T10] ipv6_find_idev+0x102/0x170 [ 1824.116256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.116256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.116256][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.116256][ T10] netlink_unicast+0x449/0x710 [ 1824.116256][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.116256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.116256][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.116256][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.116256][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.116256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.116256][ T10] [ 1824.118557][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1824.118892][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1824.118892][ T10] netdev_get_by_index+0x5e/0x80 [ 1824.118892][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1824.118892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1824.118892][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1824.118892][ T10] ipv6_add_addr+0x411/0x2000 [ 1824.118892][ T10] inet6_addr_add+0x30e/0xa40 [ 1824.118892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1824.118892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.118892][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.118892][ T10] netlink_unicast+0x449/0x710 [ 1824.118892][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.118892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.118892][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.118892][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.118892][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.118892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.118892][ T10] [ 1824.121386][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1824.121386][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1824.121386][ T10] ipv6_find_idev+0x102/0x170 [ 1824.121386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.121386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.121386][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.121386][ T10] netlink_unicast+0x449/0x710 [ 1824.121386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.121386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.121386][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.121386][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.121386][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.121386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.121386][ T10] [ 1824.123289][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1824.123289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1824.123289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1824.123289][ T10] ipv6_find_idev+0x102/0x170 [ 1824.123289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.123289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.123289][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.123289][ T10] netlink_unicast+0x449/0x710 [ 1824.123289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.123289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.123289][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.123289][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.123289][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.123289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.123289][ T10] [ 1824.125385][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1824.125722][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1824.125722][ T10] netdev_get_by_index+0x5e/0x80 [ 1824.125722][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1824.125722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1824.125722][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1824.125722][ T10] ipv6_add_addr+0x411/0x2000 [ 1824.125722][ T10] inet6_addr_add+0x30e/0xa40 [ 1824.125722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1824.125722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.125722][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.125722][ T10] netlink_unicast+0x449/0x710 [ 1824.125722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.125722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.125722][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.125722][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.125722][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.125722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.125722][ T10] [ 1824.128140][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1824.128140][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1824.128140][ T10] ipv6_find_idev+0x102/0x170 [ 1824.128140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.128140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.128140][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.128140][ T10] netlink_unicast+0x449/0x710 [ 1824.128140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.128140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.128140][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.128140][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.128140][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.128140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.128140][ T10] [ 1824.130050][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1824.130050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1824.130050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1824.130050][ T10] ipv6_find_idev+0x102/0x170 [ 1824.130050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1824.130050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1824.130050][ T10] netlink_rcv_skb+0x130/0x360 [ 1824.130050][ T10] netlink_unicast+0x449/0x710 [ 1824.130050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1824.130050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1824.130050][ T10] ___sys_sendmsg+0xee/0x170 [ 1824.130050][ T10] __sys_sendmsg+0xcd/0x170 [ 1824.130050][ T10] do_syscall_64+0xc6/0x1e0 [ 1824.130050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1824.130050][ T10] [ 1834.240266][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1834.240997][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1834.240997][ T10] netdev_get_by_index+0x5e/0x80 [ 1834.240997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1834.240997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1834.240997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1834.240997][ T10] ipv6_add_addr+0x411/0x2000 [ 1834.240997][ T10] inet6_addr_add+0x30e/0xa40 [ 1834.240997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1834.240997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.240997][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.240997][ T10] netlink_unicast+0x449/0x710 [ 1834.240997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.240997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.240997][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.240997][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.240997][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.240997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.240997][ T10] [ 1834.243369][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1834.243369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1834.243369][ T10] ipv6_find_idev+0x102/0x170 [ 1834.243369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.243369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.243369][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.243369][ T10] netlink_unicast+0x449/0x710 [ 1834.243369][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.243369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.243369][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.243369][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.243369][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.243369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.243369][ T10] [ 1834.245229][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1834.245229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1834.245229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1834.245229][ T10] ipv6_find_idev+0x102/0x170 [ 1834.245229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.245229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.245229][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.245229][ T10] netlink_unicast+0x449/0x710 [ 1834.245229][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.245229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.245229][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.245229][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.245229][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.245229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.245229][ T10] [ 1834.247321][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1834.247644][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1834.247644][ T10] netdev_get_by_index+0x5e/0x80 [ 1834.247644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1834.247644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1834.247644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1834.247644][ T10] ipv6_add_addr+0x411/0x2000 [ 1834.247644][ T10] inet6_addr_add+0x30e/0xa40 [ 1834.247644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1834.247644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.247644][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.247644][ T10] netlink_unicast+0x449/0x710 [ 1834.247644][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.247644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.247644][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.247644][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.247644][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.247644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.247644][ T10] [ 1834.250094][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1834.250094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1834.250094][ T10] ipv6_find_idev+0x102/0x170 [ 1834.250094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.250094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.250094][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.250094][ T10] netlink_unicast+0x449/0x710 [ 1834.250094][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.250094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.250094][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.250094][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.250094][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.250094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.250094][ T10] [ 1834.252053][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1834.252053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1834.252053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1834.252053][ T10] ipv6_find_idev+0x102/0x170 [ 1834.252053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.252053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.252053][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.252053][ T10] netlink_unicast+0x449/0x710 [ 1834.252053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.252053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.252053][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.252053][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.252053][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.252053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.252053][ T10] [ 1834.254142][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1834.254533][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1834.254533][ T10] netdev_get_by_index+0x5e/0x80 [ 1834.254533][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1834.254533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1834.254533][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1834.254533][ T10] ipv6_add_addr+0x411/0x2000 [ 1834.254533][ T10] inet6_addr_add+0x30e/0xa40 [ 1834.254533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1834.254533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.254533][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.254533][ T10] netlink_unicast+0x449/0x710 [ 1834.254533][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.254533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.254533][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.254533][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.254533][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.254533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.254533][ T10] [ 1834.256973][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1834.256973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1834.256973][ T10] ipv6_find_idev+0x102/0x170 [ 1834.256973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.256973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.256973][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.256973][ T10] netlink_unicast+0x449/0x710 [ 1834.256973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.256973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.256973][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.256973][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.256973][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.256973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.256973][ T10] [ 1834.258715][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1834.258715][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1834.258715][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1834.258715][ T10] ipv6_find_idev+0x102/0x170 [ 1834.258715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.258715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.258715][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.258715][ T10] netlink_unicast+0x449/0x710 [ 1834.258715][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.258715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.258715][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.258715][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.258715][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.258715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.258715][ T10] [ 1834.260708][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1834.261017][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1834.261017][ T10] netdev_get_by_index+0x5e/0x80 [ 1834.261017][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1834.261017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1834.261017][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1834.261017][ T10] ipv6_add_addr+0x411/0x2000 [ 1834.261017][ T10] inet6_addr_add+0x30e/0xa40 [ 1834.261017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1834.261017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.261017][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.261017][ T10] netlink_unicast+0x449/0x710 [ 1834.261017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.261017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.261017][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.261017][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.261017][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.261017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.261017][ T10] [ 1834.263594][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1834.263594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1834.263594][ T10] ipv6_find_idev+0x102/0x170 [ 1834.263594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.263594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.263594][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.263594][ T10] netlink_unicast+0x449/0x710 [ 1834.263594][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.263594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.263594][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.263594][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.263594][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.263594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.263594][ T10] [ 1834.265569][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1834.265569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1834.265569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1834.265569][ T10] ipv6_find_idev+0x102/0x170 [ 1834.265569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.265569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.265569][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.265569][ T10] netlink_unicast+0x449/0x710 [ 1834.265569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.265569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.265569][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.265569][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.265569][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.265569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.265569][ T10] [ 1834.267749][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1834.268140][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1834.268140][ T10] netdev_get_by_index+0x5e/0x80 [ 1834.268140][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1834.268140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1834.268140][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1834.268140][ T10] ipv6_add_addr+0x411/0x2000 [ 1834.268140][ T10] inet6_addr_add+0x30e/0xa40 [ 1834.268140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1834.268140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.268140][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.268140][ T10] netlink_unicast+0x449/0x710 [ 1834.268140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.268140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.268140][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.268140][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.268140][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.268140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.268140][ T10] [ 1834.270504][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1834.270504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1834.270504][ T10] ipv6_find_idev+0x102/0x170 [ 1834.270504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.270504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.270504][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.270504][ T10] netlink_unicast+0x449/0x710 [ 1834.270504][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.270504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.270504][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.270504][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.270504][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.270504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.270504][ T10] [ 1834.272438][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1834.272438][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1834.272438][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1834.272438][ T10] ipv6_find_idev+0x102/0x170 [ 1834.272438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.272438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.272438][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.272438][ T10] netlink_unicast+0x449/0x710 [ 1834.272438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.272438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.272438][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.272438][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.272438][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.272438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.272438][ T10] [ 1834.274955][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1834.275726][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1834.275726][ T10] netdev_get_by_index+0x5e/0x80 [ 1834.275726][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1834.275726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1834.275726][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1834.275726][ T10] ipv6_add_addr+0x411/0x2000 [ 1834.275726][ T10] inet6_addr_add+0x30e/0xa40 [ 1834.275726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1834.275726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.275726][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.275726][ T10] netlink_unicast+0x449/0x710 [ 1834.275726][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.275726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.275726][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.275726][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.275726][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.275726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.275726][ T10] [ 1834.278020][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1834.278020][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1834.278020][ T10] ipv6_find_idev+0x102/0x170 [ 1834.278020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.278020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.278020][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.278020][ T10] netlink_unicast+0x449/0x710 [ 1834.278020][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.278020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.278020][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.278020][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.278020][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.278020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.278020][ T10] [ 1834.279794][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1834.279794][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1834.279794][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1834.279794][ T10] ipv6_find_idev+0x102/0x170 [ 1834.279794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.279794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.279794][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.279794][ T10] netlink_unicast+0x449/0x710 [ 1834.279794][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.279794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.279794][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.279794][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.279794][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.279794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.279794][ T10] [ 1834.281962][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1834.282322][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1834.282322][ T10] netdev_get_by_index+0x5e/0x80 [ 1834.282322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1834.282322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1834.282322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1834.282322][ T10] ipv6_add_addr+0x411/0x2000 [ 1834.282322][ T10] inet6_addr_add+0x30e/0xa40 [ 1834.282322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1834.282322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.282322][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.282322][ T10] netlink_unicast+0x449/0x710 [ 1834.282322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.282322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.282322][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.282322][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.282322][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.282322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.282322][ T10] [ 1834.284610][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1834.284610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1834.284610][ T10] ipv6_find_idev+0x102/0x170 [ 1834.284610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.284610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.284610][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.284610][ T10] netlink_unicast+0x449/0x710 [ 1834.284610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.284610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.284610][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.284610][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.284610][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.284610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.284610][ T10] [ 1834.286354][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1834.286354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1834.286354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1834.286354][ T10] ipv6_find_idev+0x102/0x170 [ 1834.286354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.286354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.286354][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.286354][ T10] netlink_unicast+0x449/0x710 [ 1834.286354][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.286354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.286354][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.286354][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.286354][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.286354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.286354][ T10] [ 1834.288335][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1834.288677][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1834.288677][ T10] netdev_get_by_index+0x5e/0x80 [ 1834.288677][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1834.288677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1834.288677][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1834.288677][ T10] ipv6_add_addr+0x411/0x2000 [ 1834.288677][ T10] inet6_addr_add+0x30e/0xa40 [ 1834.288677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1834.288677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.288677][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.288677][ T10] netlink_unicast+0x449/0x710 [ 1834.288677][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.288677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.288677][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.288677][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.288677][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.288677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.288677][ T10] [ 1834.290981][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1834.290981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1834.290981][ T10] ipv6_find_idev+0x102/0x170 [ 1834.290981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.290981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.290981][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.290981][ T10] netlink_unicast+0x449/0x710 [ 1834.290981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.290981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.290981][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.290981][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.290981][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.290981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.290981][ T10] [ 1834.292742][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1834.292742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1834.292742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1834.292742][ T10] ipv6_find_idev+0x102/0x170 [ 1834.292742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1834.292742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1834.292742][ T10] netlink_rcv_skb+0x130/0x360 [ 1834.292742][ T10] netlink_unicast+0x449/0x710 [ 1834.292742][ T10] netlink_sendmsg+0x723/0xbe0 [ 1834.292742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1834.292742][ T10] ___sys_sendmsg+0xee/0x170 [ 1834.292742][ T10] __sys_sendmsg+0xcd/0x170 [ 1834.292742][ T10] do_syscall_64+0xc6/0x1e0 [ 1834.292742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1834.292742][ T10] [ 1844.392205][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1844.392651][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1844.392651][ T10] netdev_get_by_index+0x5e/0x80 [ 1844.392651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1844.392651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1844.392651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1844.392651][ T10] ipv6_add_addr+0x411/0x2000 [ 1844.392651][ T10] inet6_addr_add+0x30e/0xa40 [ 1844.392651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1844.392651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.392651][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.392651][ T10] netlink_unicast+0x449/0x710 [ 1844.392651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.392651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.392651][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.392651][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.392651][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.392651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.392651][ T10] [ 1844.394651][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1844.394651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1844.394651][ T10] ipv6_find_idev+0x102/0x170 [ 1844.394651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.394651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.394651][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.394651][ T10] netlink_unicast+0x449/0x710 [ 1844.394651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.394651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.394651][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.394651][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.394651][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.394651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.394651][ T10] [ 1844.396251][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1844.396251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1844.396251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1844.396251][ T10] ipv6_find_idev+0x102/0x170 [ 1844.396251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.396251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.396251][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.396251][ T10] netlink_unicast+0x449/0x710 [ 1844.396251][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.396251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.396251][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.396251][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.396251][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.396251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.396251][ T10] [ 1844.398025][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1844.398351][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1844.398351][ T10] netdev_get_by_index+0x5e/0x80 [ 1844.398351][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1844.398351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1844.398351][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1844.398351][ T10] ipv6_add_addr+0x411/0x2000 [ 1844.398351][ T10] inet6_addr_add+0x30e/0xa40 [ 1844.398351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1844.398351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.398351][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.398351][ T10] netlink_unicast+0x449/0x710 [ 1844.398351][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.398351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.398351][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.398351][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.398351][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.398351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.398351][ T10] [ 1844.400385][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1844.400385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1844.400385][ T10] ipv6_find_idev+0x102/0x170 [ 1844.400385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.400385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.400385][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.400385][ T10] netlink_unicast+0x449/0x710 [ 1844.400385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.400385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.400385][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.400385][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.400385][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.400385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.400385][ T10] [ 1844.401895][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1844.401895][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1844.401895][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1844.401895][ T10] ipv6_find_idev+0x102/0x170 [ 1844.401895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.401895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.401895][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.401895][ T10] netlink_unicast+0x449/0x710 [ 1844.401895][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.401895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.401895][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.401895][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.401895][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.401895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.401895][ T10] [ 1844.403549][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1844.403808][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1844.403808][ T10] netdev_get_by_index+0x5e/0x80 [ 1844.403808][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1844.403808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1844.403808][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1844.403808][ T10] ipv6_add_addr+0x411/0x2000 [ 1844.403808][ T10] inet6_addr_add+0x30e/0xa40 [ 1844.403808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1844.403808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.403808][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.403808][ T10] netlink_unicast+0x449/0x710 [ 1844.403808][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.403808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.403808][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.403808][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.403808][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.403808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.403808][ T10] [ 1844.405843][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1844.405843][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1844.405843][ T10] ipv6_find_idev+0x102/0x170 [ 1844.405843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.405843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.405843][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.405843][ T10] netlink_unicast+0x449/0x710 [ 1844.405843][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.405843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.405843][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.405843][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.405843][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.405843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.405843][ T10] [ 1844.407392][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1844.407392][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1844.407392][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1844.407392][ T10] ipv6_find_idev+0x102/0x170 [ 1844.407392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.407392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.407392][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.407392][ T10] netlink_unicast+0x449/0x710 [ 1844.407392][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.407392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.407392][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.407392][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.407392][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.407392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.407392][ T10] [ 1844.409090][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1844.409393][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1844.409393][ T10] netdev_get_by_index+0x5e/0x80 [ 1844.409393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1844.409393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1844.409393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1844.409393][ T10] ipv6_add_addr+0x411/0x2000 [ 1844.409393][ T10] inet6_addr_add+0x30e/0xa40 [ 1844.409393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1844.409393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.409393][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.409393][ T10] netlink_unicast+0x449/0x710 [ 1844.409393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.409393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.409393][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.409393][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.409393][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.409393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.409393][ T10] [ 1844.411384][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1844.411384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1844.411384][ T10] ipv6_find_idev+0x102/0x170 [ 1844.411384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.411384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.411384][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.411384][ T10] netlink_unicast+0x449/0x710 [ 1844.411384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.411384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.411384][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.411384][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.411384][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.411384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.411384][ T10] [ 1844.412893][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1844.412893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1844.412893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1844.412893][ T10] ipv6_find_idev+0x102/0x170 [ 1844.412893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.412893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.412893][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.412893][ T10] netlink_unicast+0x449/0x710 [ 1844.412893][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.412893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.412893][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.412893][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.412893][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.412893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.412893][ T10] [ 1844.414607][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1844.414872][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1844.414872][ T10] netdev_get_by_index+0x5e/0x80 [ 1844.414872][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1844.414872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1844.414872][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1844.414872][ T10] ipv6_add_addr+0x411/0x2000 [ 1844.414872][ T10] inet6_addr_add+0x30e/0xa40 [ 1844.414872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1844.414872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.414872][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.414872][ T10] netlink_unicast+0x449/0x710 [ 1844.414872][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.414872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.414872][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.414872][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.414872][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.414872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.414872][ T10] [ 1844.416863][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1844.416863][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1844.416863][ T10] ipv6_find_idev+0x102/0x170 [ 1844.416863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.416863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.416863][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.416863][ T10] netlink_unicast+0x449/0x710 [ 1844.416863][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.416863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.416863][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.416863][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.416863][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.416863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.416863][ T10] [ 1844.418427][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1844.418427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1844.418427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1844.418427][ T10] ipv6_find_idev+0x102/0x170 [ 1844.418427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.418427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.418427][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.418427][ T10] netlink_unicast+0x449/0x710 [ 1844.418427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.418427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.418427][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.418427][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.418427][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.418427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.418427][ T10] [ 1844.420379][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1844.420644][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1844.420644][ T10] netdev_get_by_index+0x5e/0x80 [ 1844.420644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1844.420644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1844.420644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1844.420644][ T10] ipv6_add_addr+0x411/0x2000 [ 1844.420644][ T10] inet6_addr_add+0x30e/0xa40 [ 1844.420644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1844.420644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.420644][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.420644][ T10] netlink_unicast+0x449/0x710 [ 1844.420644][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.420644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.420644][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.420644][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.420644][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.420644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.420644][ T10] [ 1844.422885][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1844.422885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1844.422885][ T10] ipv6_find_idev+0x102/0x170 [ 1844.422885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.422885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.422885][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.422885][ T10] netlink_unicast+0x449/0x710 [ 1844.422885][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.422885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.422885][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.422885][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.422885][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.422885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.422885][ T10] [ 1844.424615][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1844.424615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1844.424615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1844.424615][ T10] ipv6_find_idev+0x102/0x170 [ 1844.424615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.424615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.424615][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.424615][ T10] netlink_unicast+0x449/0x710 [ 1844.424615][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.424615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.424615][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.424615][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.424615][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.424615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.424615][ T10] [ 1844.426552][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1844.426819][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1844.426819][ T10] netdev_get_by_index+0x5e/0x80 [ 1844.426819][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1844.426819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1844.426819][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1844.426819][ T10] ipv6_add_addr+0x411/0x2000 [ 1844.426819][ T10] inet6_addr_add+0x30e/0xa40 [ 1844.426819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1844.426819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.426819][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.426819][ T10] netlink_unicast+0x449/0x710 [ 1844.426819][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.426819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.426819][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.426819][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.426819][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.426819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.426819][ T10] [ 1844.429051][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1844.429051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1844.429051][ T10] ipv6_find_idev+0x102/0x170 [ 1844.429051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.429051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.429051][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.429051][ T10] netlink_unicast+0x449/0x710 [ 1844.429051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.429051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.429051][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.429051][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.429051][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.429051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.429051][ T10] [ 1844.430831][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1844.430831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1844.430831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1844.430831][ T10] ipv6_find_idev+0x102/0x170 [ 1844.430831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.430831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.430831][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.430831][ T10] netlink_unicast+0x449/0x710 [ 1844.430831][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.430831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.430831][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.430831][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.430831][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.430831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.430831][ T10] [ 1844.432714][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1844.432982][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1844.432982][ T10] netdev_get_by_index+0x5e/0x80 [ 1844.432982][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1844.432982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1844.432982][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1844.432982][ T10] ipv6_add_addr+0x411/0x2000 [ 1844.432982][ T10] inet6_addr_add+0x30e/0xa40 [ 1844.432982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1844.432982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.432982][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.432982][ T10] netlink_unicast+0x449/0x710 [ 1844.432982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.432982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.432982][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.432982][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.432982][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.432982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.432982][ T10] [ 1844.435253][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1844.435253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1844.435253][ T10] ipv6_find_idev+0x102/0x170 [ 1844.435253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.435253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.435253][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.435253][ T10] netlink_unicast+0x449/0x710 [ 1844.435253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.435253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.435253][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.435253][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.435253][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.435253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.435253][ T10] [ 1844.436997][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1844.436997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1844.436997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1844.436997][ T10] ipv6_find_idev+0x102/0x170 [ 1844.436997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1844.436997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1844.436997][ T10] netlink_rcv_skb+0x130/0x360 [ 1844.436997][ T10] netlink_unicast+0x449/0x710 [ 1844.436997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1844.436997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1844.436997][ T10] ___sys_sendmsg+0xee/0x170 [ 1844.436997][ T10] __sys_sendmsg+0xcd/0x170 [ 1844.436997][ T10] do_syscall_64+0xc6/0x1e0 [ 1844.436997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1844.436997][ T10] [ 1854.680282][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1854.680711][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1854.680711][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.680711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1854.680711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.680711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1854.680711][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.680711][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.680711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.680711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.680711][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.680711][ T10] netlink_unicast+0x449/0x710 [ 1854.680711][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.680711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.680711][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.680711][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.680711][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.680711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.680711][ T10] [ 1854.682720][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1854.682720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.682720][ T10] ipv6_find_idev+0x102/0x170 [ 1854.682720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.682720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.682720][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.682720][ T10] netlink_unicast+0x449/0x710 [ 1854.682720][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.682720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.682720][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.682720][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.682720][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.682720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.682720][ T10] [ 1854.684298][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1854.684298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.684298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.684298][ T10] ipv6_find_idev+0x102/0x170 [ 1854.684298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.684298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.684298][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.684298][ T10] netlink_unicast+0x449/0x710 [ 1854.684298][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.684298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.684298][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.684298][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.684298][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.684298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.684298][ T10] [ 1854.686037][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1854.686322][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1854.686322][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.686322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1854.686322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.686322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1854.686322][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.686322][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.686322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.686322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.686322][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.686322][ T10] netlink_unicast+0x449/0x710 [ 1854.686322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.686322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.686322][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.686322][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.686322][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.686322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.686322][ T10] [ 1854.688350][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1854.688350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.688350][ T10] ipv6_find_idev+0x102/0x170 [ 1854.688350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.688350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.688350][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.688350][ T10] netlink_unicast+0x449/0x710 [ 1854.688350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.688350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.688350][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.688350][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.688350][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.688350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.688350][ T10] [ 1854.689964][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1854.689964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.689964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.689964][ T10] ipv6_find_idev+0x102/0x170 [ 1854.689964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.689964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.689964][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.689964][ T10] netlink_unicast+0x449/0x710 [ 1854.689964][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.689964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.689964][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.689964][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.689964][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.689964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.689964][ T10] [ 1854.691643][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1854.691935][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1854.691935][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.691935][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1854.691935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.691935][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1854.691935][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.691935][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.691935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.691935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.691935][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.691935][ T10] netlink_unicast+0x449/0x710 [ 1854.691935][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.691935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.691935][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.691935][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.691935][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.691935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.691935][ T10] [ 1854.693914][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1854.693914][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.693914][ T10] ipv6_find_idev+0x102/0x170 [ 1854.693914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.693914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.693914][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.693914][ T10] netlink_unicast+0x449/0x710 [ 1854.693914][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.693914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.693914][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.693914][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.693914][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.693914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.693914][ T10] [ 1854.695402][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1854.695402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.695402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.695402][ T10] ipv6_find_idev+0x102/0x170 [ 1854.695402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.695402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.695402][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.695402][ T10] netlink_unicast+0x449/0x710 [ 1854.695402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.695402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.695402][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.695402][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.695402][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.695402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.695402][ T10] [ 1854.697086][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1854.697809][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1854.697809][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.697809][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1854.697809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.697809][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1854.697809][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.697809][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.697809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.697809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.697809][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.697809][ T10] netlink_unicast+0x449/0x710 [ 1854.697809][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.697809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.697809][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.697809][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.697809][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.697809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.697809][ T10] [ 1854.699773][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1854.699773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.699773][ T10] ipv6_find_idev+0x102/0x170 [ 1854.699773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.699773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.699773][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.699773][ T10] netlink_unicast+0x449/0x710 [ 1854.699773][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.699773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.699773][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.699773][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.699773][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.699773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.699773][ T10] [ 1854.701259][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1854.701259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.701259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.701259][ T10] ipv6_find_idev+0x102/0x170 [ 1854.701259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.701259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.701259][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.701259][ T10] netlink_unicast+0x449/0x710 [ 1854.701259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.701259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.701259][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.701259][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.701259][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.701259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.701259][ T10] [ 1854.702968][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1854.703294][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1854.703294][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.703294][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1854.703294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.703294][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1854.703294][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.703294][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.703294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.703294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.703294][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.703294][ T10] netlink_unicast+0x449/0x710 [ 1854.703294][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.703294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.703294][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.703294][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.703294][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.703294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.703294][ T10] [ 1854.705258][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1854.705258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.705258][ T10] ipv6_find_idev+0x102/0x170 [ 1854.705258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.705258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.705258][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.705258][ T10] netlink_unicast+0x449/0x710 [ 1854.705258][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.705258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.705258][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.705258][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.705258][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.705258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.705258][ T10] [ 1854.706801][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1854.706801][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.706801][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.706801][ T10] ipv6_find_idev+0x102/0x170 [ 1854.706801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.706801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.706801][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.706801][ T10] netlink_unicast+0x449/0x710 [ 1854.706801][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.706801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.706801][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.706801][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.706801][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.706801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.706801][ T10] [ 1854.708504][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1854.708765][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1854.708765][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.708765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1854.708765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.708765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1854.708765][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.708765][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.708765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.708765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.708765][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.708765][ T10] netlink_unicast+0x449/0x710 [ 1854.708765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.708765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.708765][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.708765][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.708765][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.708765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.708765][ T10] [ 1854.710735][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1854.710735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.710735][ T10] ipv6_find_idev+0x102/0x170 [ 1854.710735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.710735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.710735][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.710735][ T10] netlink_unicast+0x449/0x710 [ 1854.710735][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.710735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.710735][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.710735][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.710735][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.710735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.710735][ T10] [ 1854.712485][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1854.712485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.712485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.712485][ T10] ipv6_find_idev+0x102/0x170 [ 1854.712485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.712485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.712485][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.712485][ T10] netlink_unicast+0x449/0x710 [ 1854.712485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.712485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.712485][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.712485][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.712485][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.712485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.712485][ T10] [ 1854.714453][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1854.714726][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1854.714726][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.714726][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1854.714726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.714726][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1854.714726][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.714726][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.714726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.714726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.714726][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.714726][ T10] netlink_unicast+0x449/0x710 [ 1854.714726][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.714726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.714726][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.714726][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.714726][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.714726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.714726][ T10] [ 1854.716907][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1854.716907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.716907][ T10] ipv6_find_idev+0x102/0x170 [ 1854.716907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.716907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.716907][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.716907][ T10] netlink_unicast+0x449/0x710 [ 1854.716907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.716907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.716907][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.716907][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.716907][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.716907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.716907][ T10] [ 1854.718657][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1854.718657][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.718657][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.718657][ T10] ipv6_find_idev+0x102/0x170 [ 1854.718657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.718657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.718657][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.718657][ T10] netlink_unicast+0x449/0x710 [ 1854.718657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.718657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.718657][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.718657][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.718657][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.718657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.718657][ T10] [ 1854.720558][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1854.720826][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1854.720826][ T10] netdev_get_by_index+0x5e/0x80 [ 1854.720826][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1854.720826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1854.720826][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1854.720826][ T10] ipv6_add_addr+0x411/0x2000 [ 1854.720826][ T10] inet6_addr_add+0x30e/0xa40 [ 1854.720826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1854.720826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.720826][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.720826][ T10] netlink_unicast+0x449/0x710 [ 1854.720826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.720826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.720826][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.720826][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.720826][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.720826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.720826][ T10] [ 1854.723121][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1854.723121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1854.723121][ T10] ipv6_find_idev+0x102/0x170 [ 1854.723121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.723121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.723121][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.723121][ T10] netlink_unicast+0x449/0x710 [ 1854.723121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.723121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.723121][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.723121][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.723121][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.723121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.723121][ T10] [ 1854.724835][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1854.724835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1854.724835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1854.724835][ T10] ipv6_find_idev+0x102/0x170 [ 1854.724835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1854.724835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1854.724835][ T10] netlink_rcv_skb+0x130/0x360 [ 1854.724835][ T10] netlink_unicast+0x449/0x710 [ 1854.724835][ T10] netlink_sendmsg+0x723/0xbe0 [ 1854.724835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1854.724835][ T10] ___sys_sendmsg+0xee/0x170 [ 1854.724835][ T10] __sys_sendmsg+0xcd/0x170 [ 1854.724835][ T10] do_syscall_64+0xc6/0x1e0 [ 1854.724835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1854.724835][ T10] [ 1864.968212][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1864.968634][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1864.968634][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.968634][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.968634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.968634][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.968634][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.968634][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.968634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.968634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.968634][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.968634][ T10] netlink_unicast+0x449/0x710 [ 1864.968634][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.968634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.968634][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.968634][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.968634][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.968634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.968634][ T10] [ 1864.970625][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1864.970625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.970625][ T10] ipv6_find_idev+0x102/0x170 [ 1864.970625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.970625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.970625][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.970625][ T10] netlink_unicast+0x449/0x710 [ 1864.970625][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.970625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.970625][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.970625][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.970625][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.970625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.970625][ T10] [ 1864.972174][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1864.972174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.972174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.972174][ T10] ipv6_find_idev+0x102/0x170 [ 1864.972174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.972174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.972174][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.972174][ T10] netlink_unicast+0x449/0x710 [ 1864.972174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.972174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.972174][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.972174][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.972174][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.972174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.972174][ T10] [ 1864.973865][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1864.974174][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1864.974174][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.974174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.974174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.974174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.974174][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.974174][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.974174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.974174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.974174][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.974174][ T10] netlink_unicast+0x449/0x710 [ 1864.974174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.974174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.974174][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.974174][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.974174][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.974174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.974174][ T10] [ 1864.976180][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1864.976180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.976180][ T10] ipv6_find_idev+0x102/0x170 [ 1864.976180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.976180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.976180][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.976180][ T10] netlink_unicast+0x449/0x710 [ 1864.976180][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.976180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.976180][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.976180][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.976180][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.976180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.976180][ T10] [ 1864.977681][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1864.977681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.977681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.977681][ T10] ipv6_find_idev+0x102/0x170 [ 1864.977681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.977681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.977681][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.977681][ T10] netlink_unicast+0x449/0x710 [ 1864.977681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.977681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.977681][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.977681][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.977681][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.977681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.977681][ T10] [ 1864.979341][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1864.979621][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1864.979621][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.979621][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.979621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.979621][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.979621][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.979621][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.979621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.979621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.979621][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.979621][ T10] netlink_unicast+0x449/0x710 [ 1864.979621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.979621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.979621][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.979621][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.979621][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.979621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.979621][ T10] [ 1864.981642][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1864.981642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.981642][ T10] ipv6_find_idev+0x102/0x170 [ 1864.981642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.981642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.981642][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.981642][ T10] netlink_unicast+0x449/0x710 [ 1864.981642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.981642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.981642][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.981642][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.981642][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.981642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.981642][ T10] [ 1864.983173][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1864.983173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.983173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.983173][ T10] ipv6_find_idev+0x102/0x170 [ 1864.983173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.983173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.983173][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.983173][ T10] netlink_unicast+0x449/0x710 [ 1864.983173][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.983173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.983173][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.983173][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.983173][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.983173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.983173][ T10] [ 1864.984899][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1864.985605][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1864.985605][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.985605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.985605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.985605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.985605][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.985605][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.985605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.985605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.985605][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.985605][ T10] netlink_unicast+0x449/0x710 [ 1864.985605][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.985605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.985605][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.985605][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.985605][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.985605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.985605][ T10] [ 1864.987560][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1864.987560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.987560][ T10] ipv6_find_idev+0x102/0x170 [ 1864.987560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.987560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.987560][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.987560][ T10] netlink_unicast+0x449/0x710 [ 1864.987560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.987560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.987560][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.987560][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.987560][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.987560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.987560][ T10] [ 1864.989054][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1864.989054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.989054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.989054][ T10] ipv6_find_idev+0x102/0x170 [ 1864.989054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.989054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.989054][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.989054][ T10] netlink_unicast+0x449/0x710 [ 1864.989054][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.989054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.989054][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.989054][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.989054][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.989054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.989054][ T10] [ 1864.990782][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1864.991056][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1864.991056][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.991056][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.991056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.991056][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.991056][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.991056][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.991056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.991056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.991056][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.991056][ T10] netlink_unicast+0x449/0x710 [ 1864.991056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.991056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.991056][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.991056][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.991056][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.991056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.991056][ T10] [ 1864.993063][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1864.993063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.993063][ T10] ipv6_find_idev+0x102/0x170 [ 1864.993063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.993063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.993063][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.993063][ T10] netlink_unicast+0x449/0x710 [ 1864.993063][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.993063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.993063][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.993063][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.993063][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.993063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.993063][ T10] [ 1864.994604][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1864.994604][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.994604][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.994604][ T10] ipv6_find_idev+0x102/0x170 [ 1864.994604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.994604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.994604][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.994604][ T10] netlink_unicast+0x449/0x710 [ 1864.994604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.994604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.994604][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.994604][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.994604][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.994604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.994604][ T10] [ 1864.996343][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1864.996612][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1864.996612][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.996612][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.996612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.996612][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.996612][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.996612][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.996612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.996612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.996612][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.996612][ T10] netlink_unicast+0x449/0x710 [ 1864.996612][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.996612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.996612][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.996612][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.996612][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.996612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.996612][ T10] [ 1864.998751][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1864.998751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.998751][ T10] ipv6_find_idev+0x102/0x170 [ 1864.998751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.998751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.998751][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.998751][ T10] netlink_unicast+0x449/0x710 [ 1864.998751][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.998751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.998751][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.998751][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.998751][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.998751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.998751][ T10] [ 1865.000494][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1865.000494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1865.000494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1865.000494][ T10] ipv6_find_idev+0x102/0x170 [ 1865.000494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1865.000494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1865.000494][ T10] netlink_rcv_skb+0x130/0x360 [ 1865.000494][ T10] netlink_unicast+0x449/0x710 [ 1865.000494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1865.000494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1865.000494][ T10] ___sys_sendmsg+0xee/0x170 [ 1865.000494][ T10] __sys_sendmsg+0xcd/0x170 [ 1865.000494][ T10] do_syscall_64+0xc6/0x1e0 [ 1865.000494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1865.000494][ T10] [ 1865.002339][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1865.002597][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1865.002597][ T10] netdev_get_by_index+0x5e/0x80 [ 1865.002597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1865.002597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1865.002597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1865.002597][ T10] ipv6_add_addr+0x411/0x2000 [ 1865.002597][ T10] inet6_addr_add+0x30e/0xa40 [ 1865.002597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1865.002597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1865.002597][ T10] netlink_rcv_skb+0x130/0x360 [ 1865.002597][ T10] netlink_unicast+0x449/0x710 [ 1865.002597][ T10] netlink_sendmsg+0x723/0xbe0 [ 1865.002597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1865.002597][ T10] ___sys_sendmsg+0xee/0x170 [ 1865.002597][ T10] __sys_sendmsg+0xcd/0x170 [ 1865.002597][ T10] do_syscall_64+0xc6/0x1e0 [ 1865.002597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1865.002597][ T10] [ 1865.004840][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1865.004840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1865.004840][ T10] ipv6_find_idev+0x102/0x170 [ 1865.004840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1865.004840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1865.004840][ T10] netlink_rcv_skb+0x130/0x360 [ 1865.004840][ T10] netlink_unicast+0x449/0x710 [ 1865.004840][ T10] netlink_sendmsg+0x723/0xbe0 [ 1865.004840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1865.004840][ T10] ___sys_sendmsg+0xee/0x170 [ 1865.004840][ T10] __sys_sendmsg+0xcd/0x170 [ 1865.004840][ T10] do_syscall_64+0xc6/0x1e0 [ 1865.004840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1865.004840][ T10] [ 1865.006568][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1865.006568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1865.006568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1865.006568][ T10] ipv6_find_idev+0x102/0x170 [ 1865.006568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1865.006568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1865.006568][ T10] netlink_rcv_skb+0x130/0x360 [ 1865.006568][ T10] netlink_unicast+0x449/0x710 [ 1865.006568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1865.006568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1865.006568][ T10] ___sys_sendmsg+0xee/0x170 [ 1865.006568][ T10] __sys_sendmsg+0xcd/0x170 [ 1865.006568][ T10] do_syscall_64+0xc6/0x1e0 [ 1865.006568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1865.006568][ T10] [ 1865.008451][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1865.008715][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1865.008715][ T10] netdev_get_by_index+0x5e/0x80 [ 1865.008715][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1865.008715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1865.008715][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1865.008715][ T10] ipv6_add_addr+0x411/0x2000 [ 1865.008715][ T10] inet6_addr_add+0x30e/0xa40 [ 1865.008715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1865.008715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1865.008715][ T10] netlink_rcv_skb+0x130/0x360 [ 1865.008715][ T10] netlink_unicast+0x449/0x710 [ 1865.008715][ T10] netlink_sendmsg+0x723/0xbe0 [ 1865.008715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1865.008715][ T10] ___sys_sendmsg+0xee/0x170 [ 1865.008715][ T10] __sys_sendmsg+0xcd/0x170 [ 1865.008715][ T10] do_syscall_64+0xc6/0x1e0 [ 1865.008715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1865.008715][ T10] [ 1865.010948][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1865.010948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1865.010948][ T10] ipv6_find_idev+0x102/0x170 [ 1865.010948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1865.010948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1865.010948][ T10] netlink_rcv_skb+0x130/0x360 [ 1865.010948][ T10] netlink_unicast+0x449/0x710 [ 1865.010948][ T10] netlink_sendmsg+0x723/0xbe0 [ 1865.010948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1865.010948][ T10] ___sys_sendmsg+0xee/0x170 [ 1865.010948][ T10] __sys_sendmsg+0xcd/0x170 [ 1865.010948][ T10] do_syscall_64+0xc6/0x1e0 [ 1865.010948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1865.010948][ T10] [ 1865.012723][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1865.012723][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1865.012723][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1865.012723][ T10] ipv6_find_idev+0x102/0x170 [ 1865.012723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1865.012723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1865.012723][ T10] netlink_rcv_skb+0x130/0x360 [ 1865.012723][ T10] netlink_unicast+0x449/0x710 [ 1865.012723][ T10] netlink_sendmsg+0x723/0xbe0 [ 1865.012723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1865.012723][ T10] ___sys_sendmsg+0xee/0x170 [ 1865.012723][ T10] __sys_sendmsg+0xcd/0x170 [ 1865.012723][ T10] do_syscall_64+0xc6/0x1e0 [ 1865.012723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1865.012723][ T10] [ 1875.096254][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1875.096988][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1875.096988][ T10] netdev_get_by_index+0x5e/0x80 [ 1875.096988][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1875.096988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1875.096988][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1875.096988][ T10] ipv6_add_addr+0x411/0x2000 [ 1875.096988][ T10] inet6_addr_add+0x30e/0xa40 [ 1875.096988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1875.096988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.096988][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.096988][ T10] netlink_unicast+0x449/0x710 [ 1875.096988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.096988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.096988][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.096988][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.096988][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.096988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.096988][ T10] [ 1875.099291][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1875.099291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1875.099291][ T10] ipv6_find_idev+0x102/0x170 [ 1875.099291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.099291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.099291][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.099291][ T10] netlink_unicast+0x449/0x710 [ 1875.099291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.099291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.099291][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.099291][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.099291][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.099291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.099291][ T10] [ 1875.101077][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1875.101077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1875.101077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1875.101077][ T10] ipv6_find_idev+0x102/0x170 [ 1875.101077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.101077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.101077][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.101077][ T10] netlink_unicast+0x449/0x710 [ 1875.101077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.101077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.101077][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.101077][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.101077][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.101077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.101077][ T10] [ 1875.103090][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1875.103410][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1875.103410][ T10] netdev_get_by_index+0x5e/0x80 [ 1875.103410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1875.103410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1875.103410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1875.103410][ T10] ipv6_add_addr+0x411/0x2000 [ 1875.103410][ T10] inet6_addr_add+0x30e/0xa40 [ 1875.103410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1875.103410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.103410][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.103410][ T10] netlink_unicast+0x449/0x710 [ 1875.103410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.103410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.103410][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.103410][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.103410][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.103410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.103410][ T10] [ 1875.105758][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1875.105758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1875.105758][ T10] ipv6_find_idev+0x102/0x170 [ 1875.105758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.105758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.105758][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.105758][ T10] netlink_unicast+0x449/0x710 [ 1875.105758][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.105758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.105758][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.105758][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.105758][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.105758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.105758][ T10] [ 1875.107570][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1875.107570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1875.107570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1875.107570][ T10] ipv6_find_idev+0x102/0x170 [ 1875.107570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.107570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.107570][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.107570][ T10] netlink_unicast+0x449/0x710 [ 1875.107570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.107570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.107570][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.107570][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.107570][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.107570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.107570][ T10] [ 1875.109508][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1875.109805][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1875.109805][ T10] netdev_get_by_index+0x5e/0x80 [ 1875.109805][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1875.109805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1875.109805][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1875.109805][ T10] ipv6_add_addr+0x411/0x2000 [ 1875.109805][ T10] inet6_addr_add+0x30e/0xa40 [ 1875.109805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1875.109805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.109805][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.109805][ T10] netlink_unicast+0x449/0x710 [ 1875.109805][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.109805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.109805][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.109805][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.109805][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.109805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.109805][ T10] [ 1875.112154][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1875.112154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1875.112154][ T10] ipv6_find_idev+0x102/0x170 [ 1875.112154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.112154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.112154][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.112154][ T10] netlink_unicast+0x449/0x710 [ 1875.112154][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.112154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.112154][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.112154][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.112154][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.112154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.112154][ T10] [ 1875.113954][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1875.113954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1875.113954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1875.113954][ T10] ipv6_find_idev+0x102/0x170 [ 1875.113954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.113954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.113954][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.113954][ T10] netlink_unicast+0x449/0x710 [ 1875.113954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.113954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.113954][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.113954][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.113954][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.113954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.113954][ T10] [ 1875.115895][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1875.116264][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1875.116264][ T10] netdev_get_by_index+0x5e/0x80 [ 1875.116264][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1875.116264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1875.116264][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1875.116264][ T10] ipv6_add_addr+0x411/0x2000 [ 1875.116264][ T10] inet6_addr_add+0x30e/0xa40 [ 1875.116264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1875.116264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.116264][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.116264][ T10] netlink_unicast+0x449/0x710 [ 1875.116264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.116264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.116264][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.116264][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.116264][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.116264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.116264][ T10] [ 1875.118635][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1875.118635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1875.118635][ T10] ipv6_find_idev+0x102/0x170 [ 1875.118635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.118635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.118635][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.118635][ T10] netlink_unicast+0x449/0x710 [ 1875.118635][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.118635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.118635][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.118635][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.118635][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.118635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.118635][ T10] [ 1875.120820][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1875.120820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1875.120820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1875.120820][ T10] ipv6_find_idev+0x102/0x170 [ 1875.120820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.120820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.120820][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.120820][ T10] netlink_unicast+0x449/0x710 [ 1875.120820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.120820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.120820][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.120820][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.120820][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.120820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.120820][ T10] [ 1875.122963][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1875.123377][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1875.123377][ T10] netdev_get_by_index+0x5e/0x80 [ 1875.123377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1875.123377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1875.123377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1875.123377][ T10] ipv6_add_addr+0x411/0x2000 [ 1875.123377][ T10] inet6_addr_add+0x30e/0xa40 [ 1875.123377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1875.123377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.123377][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.123377][ T10] netlink_unicast+0x449/0x710 [ 1875.123377][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.123377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.123377][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.123377][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.123377][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.123377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.123377][ T10] [ 1875.126023][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1875.126023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1875.126023][ T10] ipv6_find_idev+0x102/0x170 [ 1875.126023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.126023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.126023][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.126023][ T10] netlink_unicast+0x449/0x710 [ 1875.126023][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.126023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.126023][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.126023][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.126023][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.126023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.126023][ T10] [ 1875.128007][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1875.128007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1875.128007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1875.128007][ T10] ipv6_find_idev+0x102/0x170 [ 1875.128007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.128007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.128007][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.128007][ T10] netlink_unicast+0x449/0x710 [ 1875.128007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.128007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.128007][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.128007][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.128007][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.128007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.128007][ T10] [ 1875.130217][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1875.130560][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1875.130560][ T10] netdev_get_by_index+0x5e/0x80 [ 1875.130560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1875.130560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1875.130560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1875.130560][ T10] ipv6_add_addr+0x411/0x2000 [ 1875.130560][ T10] inet6_addr_add+0x30e/0xa40 [ 1875.130560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1875.130560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.130560][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.130560][ T10] netlink_unicast+0x449/0x710 [ 1875.130560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.130560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.130560][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.130560][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.130560][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.130560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.130560][ T10] [ 1875.132942][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1875.132942][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1875.132942][ T10] ipv6_find_idev+0x102/0x170 [ 1875.132942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.132942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.132942][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.132942][ T10] netlink_unicast+0x449/0x710 [ 1875.132942][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.132942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.132942][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.132942][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.132942][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.132942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.132942][ T10] [ 1875.134950][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1875.134950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1875.134950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1875.134950][ T10] ipv6_find_idev+0x102/0x170 [ 1875.134950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.134950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.134950][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.134950][ T10] netlink_unicast+0x449/0x710 [ 1875.134950][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.134950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.134950][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.134950][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.134950][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.134950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.134950][ T10] [ 1875.137249][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1875.137687][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1875.137687][ T10] netdev_get_by_index+0x5e/0x80 [ 1875.137687][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1875.137687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1875.137687][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1875.137687][ T10] ipv6_add_addr+0x411/0x2000 [ 1875.137687][ T10] inet6_addr_add+0x30e/0xa40 [ 1875.137687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1875.137687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.137687][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.137687][ T10] netlink_unicast+0x449/0x710 [ 1875.137687][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.137687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.137687][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.137687][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.137687][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.137687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.137687][ T10] [ 1875.140174][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1875.140174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1875.140174][ T10] ipv6_find_idev+0x102/0x170 [ 1875.140174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.140174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.140174][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.140174][ T10] netlink_unicast+0x449/0x710 [ 1875.140174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.140174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.140174][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.140174][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.140174][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.140174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.140174][ T10] [ 1875.142203][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1875.142203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1875.142203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1875.142203][ T10] ipv6_find_idev+0x102/0x170 [ 1875.142203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.142203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.142203][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.142203][ T10] netlink_unicast+0x449/0x710 [ 1875.142203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.142203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.142203][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.142203][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.142203][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.142203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.142203][ T10] [ 1875.144530][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1875.144872][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1875.144872][ T10] netdev_get_by_index+0x5e/0x80 [ 1875.144872][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1875.144872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1875.144872][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1875.144872][ T10] ipv6_add_addr+0x411/0x2000 [ 1875.144872][ T10] inet6_addr_add+0x30e/0xa40 [ 1875.144872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1875.144872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.144872][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.144872][ T10] netlink_unicast+0x449/0x710 [ 1875.144872][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.144872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.144872][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.144872][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.144872][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.144872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.144872][ T10] [ 1875.147361][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1875.147361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1875.147361][ T10] ipv6_find_idev+0x102/0x170 [ 1875.147361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.147361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.147361][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.147361][ T10] netlink_unicast+0x449/0x710 [ 1875.147361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.147361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.147361][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.147361][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.147361][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.147361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.147361][ T10] [ 1875.149235][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1875.149235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1875.149235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1875.149235][ T10] ipv6_find_idev+0x102/0x170 [ 1875.149235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1875.149235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1875.149235][ T10] netlink_rcv_skb+0x130/0x360 [ 1875.149235][ T10] netlink_unicast+0x449/0x710 [ 1875.149235][ T10] netlink_sendmsg+0x723/0xbe0 [ 1875.149235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1875.149235][ T10] ___sys_sendmsg+0xee/0x170 [ 1875.149235][ T10] __sys_sendmsg+0xcd/0x170 [ 1875.149235][ T10] do_syscall_64+0xc6/0x1e0 [ 1875.149235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1875.149235][ T10] [ 1885.192205][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1885.192655][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1885.192655][ T10] netdev_get_by_index+0x5e/0x80 [ 1885.192655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1885.192655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1885.192655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1885.192655][ T10] ipv6_add_addr+0x411/0x2000 [ 1885.192655][ T10] inet6_addr_add+0x30e/0xa40 [ 1885.192655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1885.192655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.192655][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.192655][ T10] netlink_unicast+0x449/0x710 [ 1885.192655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.192655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.192655][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.192655][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.192655][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.192655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.192655][ T10] [ 1885.194714][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1885.194714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1885.194714][ T10] ipv6_find_idev+0x102/0x170 [ 1885.194714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.194714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.194714][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.194714][ T10] netlink_unicast+0x449/0x710 [ 1885.194714][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.194714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.194714][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.194714][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.194714][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.194714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.194714][ T10] [ 1885.196236][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1885.196236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1885.196236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1885.196236][ T10] ipv6_find_idev+0x102/0x170 [ 1885.196236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.196236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.196236][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.196236][ T10] netlink_unicast+0x449/0x710 [ 1885.196236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.196236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.196236][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.196236][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.196236][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.196236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.196236][ T10] [ 1885.197907][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1885.198182][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1885.198182][ T10] netdev_get_by_index+0x5e/0x80 [ 1885.198182][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1885.198182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1885.198182][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1885.198182][ T10] ipv6_add_addr+0x411/0x2000 [ 1885.198182][ T10] inet6_addr_add+0x30e/0xa40 [ 1885.198182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1885.198182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.198182][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.198182][ T10] netlink_unicast+0x449/0x710 [ 1885.198182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.198182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.198182][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.198182][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.198182][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.198182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.198182][ T10] [ 1885.200196][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1885.200196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1885.200196][ T10] ipv6_find_idev+0x102/0x170 [ 1885.200196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.200196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.200196][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.200196][ T10] netlink_unicast+0x449/0x710 [ 1885.200196][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.200196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.200196][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.200196][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.200196][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.200196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.200196][ T10] [ 1885.201722][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1885.201722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1885.201722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1885.201722][ T10] ipv6_find_idev+0x102/0x170 [ 1885.201722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.201722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.201722][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.201722][ T10] netlink_unicast+0x449/0x710 [ 1885.201722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.201722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.201722][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.201722][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.201722][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.201722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.201722][ T10] [ 1885.203436][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1885.203705][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1885.203705][ T10] netdev_get_by_index+0x5e/0x80 [ 1885.203705][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1885.203705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1885.203705][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1885.203705][ T10] ipv6_add_addr+0x411/0x2000 [ 1885.203705][ T10] inet6_addr_add+0x30e/0xa40 [ 1885.203705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1885.203705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.203705][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.203705][ T10] netlink_unicast+0x449/0x710 [ 1885.203705][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.203705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.203705][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.203705][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.203705][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.203705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.203705][ T10] [ 1885.205708][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1885.205708][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1885.205708][ T10] ipv6_find_idev+0x102/0x170 [ 1885.205708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.205708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.205708][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.205708][ T10] netlink_unicast+0x449/0x710 [ 1885.205708][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.205708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.205708][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.205708][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.205708][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.205708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.205708][ T10] [ 1885.207277][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1885.207277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1885.207277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1885.207277][ T10] ipv6_find_idev+0x102/0x170 [ 1885.207277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.207277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.207277][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.207277][ T10] netlink_unicast+0x449/0x710 [ 1885.207277][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.207277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.207277][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.207277][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.207277][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.207277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.207277][ T10] [ 1885.209390][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1885.209647][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1885.209647][ T10] netdev_get_by_index+0x5e/0x80 [ 1885.209647][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1885.209647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1885.209647][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1885.209647][ T10] ipv6_add_addr+0x411/0x2000 [ 1885.209647][ T10] inet6_addr_add+0x30e/0xa40 [ 1885.209647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1885.209647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.209647][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.209647][ T10] netlink_unicast+0x449/0x710 [ 1885.209647][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.209647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.209647][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.209647][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.209647][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.209647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.209647][ T10] [ 1885.211651][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1885.211651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1885.211651][ T10] ipv6_find_idev+0x102/0x170 [ 1885.211651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.211651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.211651][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.211651][ T10] netlink_unicast+0x449/0x710 [ 1885.211651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.211651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.211651][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.211651][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.211651][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.211651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.211651][ T10] [ 1885.213220][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1885.213220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1885.213220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1885.213220][ T10] ipv6_find_idev+0x102/0x170 [ 1885.213220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.213220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.213220][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.213220][ T10] netlink_unicast+0x449/0x710 [ 1885.213220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.213220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.213220][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.213220][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.213220][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.213220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.213220][ T10] [ 1885.214943][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1885.215276][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1885.215276][ T10] netdev_get_by_index+0x5e/0x80 [ 1885.215276][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1885.215276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1885.215276][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1885.215276][ T10] ipv6_add_addr+0x411/0x2000 [ 1885.215276][ T10] inet6_addr_add+0x30e/0xa40 [ 1885.215276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1885.215276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.215276][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.215276][ T10] netlink_unicast+0x449/0x710 [ 1885.215276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.215276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.215276][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.215276][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.215276][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.215276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.215276][ T10] [ 1885.217278][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1885.217278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1885.217278][ T10] ipv6_find_idev+0x102/0x170 [ 1885.217278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.217278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.217278][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.217278][ T10] netlink_unicast+0x449/0x710 [ 1885.217278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.217278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.217278][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.217278][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.217278][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.217278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.217278][ T10] [ 1885.218841][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1885.218841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1885.218841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1885.218841][ T10] ipv6_find_idev+0x102/0x170 [ 1885.218841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.218841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.218841][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.218841][ T10] netlink_unicast+0x449/0x710 [ 1885.218841][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.218841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.218841][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.218841][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.218841][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.218841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.218841][ T10] [ 1885.220615][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1885.220882][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1885.220882][ T10] netdev_get_by_index+0x5e/0x80 [ 1885.220882][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1885.220882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1885.220882][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1885.220882][ T10] ipv6_add_addr+0x411/0x2000 [ 1885.220882][ T10] inet6_addr_add+0x30e/0xa40 [ 1885.220882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1885.220882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.220882][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.220882][ T10] netlink_unicast+0x449/0x710 [ 1885.220882][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.220882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.220882][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.220882][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.220882][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.220882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.220882][ T10] [ 1885.222926][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1885.222926][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1885.222926][ T10] ipv6_find_idev+0x102/0x170 [ 1885.222926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.222926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.222926][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.222926][ T10] netlink_unicast+0x449/0x710 [ 1885.222926][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.222926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.222926][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.222926][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.222926][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.222926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.222926][ T10] [ 1885.224671][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1885.224671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1885.224671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1885.224671][ T10] ipv6_find_idev+0x102/0x170 [ 1885.224671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.224671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.224671][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.224671][ T10] netlink_unicast+0x449/0x710 [ 1885.224671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.224671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.224671][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.224671][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.224671][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.224671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.224671][ T10] [ 1885.226573][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1885.226840][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1885.226840][ T10] netdev_get_by_index+0x5e/0x80 [ 1885.226840][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1885.226840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1885.226840][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1885.226840][ T10] ipv6_add_addr+0x411/0x2000 [ 1885.226840][ T10] inet6_addr_add+0x30e/0xa40 [ 1885.226840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1885.226840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.226840][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.226840][ T10] netlink_unicast+0x449/0x710 [ 1885.226840][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.226840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.226840][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.226840][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.226840][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.226840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.226840][ T10] [ 1885.228997][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1885.228997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1885.228997][ T10] ipv6_find_idev+0x102/0x170 [ 1885.228997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.228997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.228997][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.228997][ T10] netlink_unicast+0x449/0x710 [ 1885.228997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.228997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.228997][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.228997][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.228997][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.228997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.228997][ T10] [ 1885.230756][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1885.230756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1885.230756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1885.230756][ T10] ipv6_find_idev+0x102/0x170 [ 1885.230756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.230756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.230756][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.230756][ T10] netlink_unicast+0x449/0x710 [ 1885.230756][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.230756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.230756][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.230756][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.230756][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.230756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.230756][ T10] [ 1885.232618][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1885.232936][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1885.232936][ T10] netdev_get_by_index+0x5e/0x80 [ 1885.232936][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1885.232936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1885.232936][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1885.232936][ T10] ipv6_add_addr+0x411/0x2000 [ 1885.232936][ T10] inet6_addr_add+0x30e/0xa40 [ 1885.232936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1885.232936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.232936][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.232936][ T10] netlink_unicast+0x449/0x710 [ 1885.232936][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.232936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.232936][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.232936][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.232936][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.232936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.232936][ T10] [ 1885.235197][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1885.235197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1885.235197][ T10] ipv6_find_idev+0x102/0x170 [ 1885.235197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.235197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.235197][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.235197][ T10] netlink_unicast+0x449/0x710 [ 1885.235197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.235197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.235197][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.235197][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.235197][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.235197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.235197][ T10] [ 1885.236926][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1885.236926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1885.236926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1885.236926][ T10] ipv6_find_idev+0x102/0x170 [ 1885.236926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1885.236926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1885.236926][ T10] netlink_rcv_skb+0x130/0x360 [ 1885.236926][ T10] netlink_unicast+0x449/0x710 [ 1885.236926][ T10] netlink_sendmsg+0x723/0xbe0 [ 1885.236926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1885.236926][ T10] ___sys_sendmsg+0xee/0x170 [ 1885.236926][ T10] __sys_sendmsg+0xcd/0x170 [ 1885.236926][ T10] do_syscall_64+0xc6/0x1e0 [ 1885.236926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1885.236926][ T10] [ 1895.488207][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1895.488641][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1895.488641][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.488641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1895.488641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.488641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1895.488641][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.488641][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.488641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.488641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.488641][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.488641][ T10] netlink_unicast+0x449/0x710 [ 1895.488641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.488641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.488641][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.488641][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.488641][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.488641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.488641][ T10] [ 1895.490680][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1895.490680][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.490680][ T10] ipv6_find_idev+0x102/0x170 [ 1895.490680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.490680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.490680][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.490680][ T10] netlink_unicast+0x449/0x710 [ 1895.490680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.490680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.490680][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.490680][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.490680][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.490680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.490680][ T10] [ 1895.492251][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1895.492251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.492251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.492251][ T10] ipv6_find_idev+0x102/0x170 [ 1895.492251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.492251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.492251][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.492251][ T10] netlink_unicast+0x449/0x710 [ 1895.492251][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.492251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.492251][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.492251][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.492251][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.492251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.492251][ T10] [ 1895.493941][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1895.494233][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1895.494233][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.494233][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1895.494233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.494233][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1895.494233][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.494233][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.494233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.494233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.494233][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.494233][ T10] netlink_unicast+0x449/0x710 [ 1895.494233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.494233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.494233][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.494233][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.494233][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.494233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.494233][ T10] [ 1895.496242][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1895.496242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.496242][ T10] ipv6_find_idev+0x102/0x170 [ 1895.496242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.496242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.496242][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.496242][ T10] netlink_unicast+0x449/0x710 [ 1895.496242][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.496242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.496242][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.496242][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.496242][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.496242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.496242][ T10] [ 1895.497782][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1895.497782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.497782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.497782][ T10] ipv6_find_idev+0x102/0x170 [ 1895.497782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.497782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.497782][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.497782][ T10] netlink_unicast+0x449/0x710 [ 1895.497782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.497782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.497782][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.497782][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.497782][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.497782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.497782][ T10] [ 1895.499512][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1895.499777][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1895.499777][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.499777][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1895.499777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.499777][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1895.499777][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.499777][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.499777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.499777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.499777][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.499777][ T10] netlink_unicast+0x449/0x710 [ 1895.499777][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.499777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.499777][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.499777][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.499777][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.499777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.499777][ T10] [ 1895.501817][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1895.501817][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.501817][ T10] ipv6_find_idev+0x102/0x170 [ 1895.501817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.501817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.501817][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.501817][ T10] netlink_unicast+0x449/0x710 [ 1895.501817][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.501817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.501817][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.501817][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.501817][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.501817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.501817][ T10] [ 1895.503379][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1895.503379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.503379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.503379][ T10] ipv6_find_idev+0x102/0x170 [ 1895.503379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.503379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.503379][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.503379][ T10] netlink_unicast+0x449/0x710 [ 1895.503379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.503379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.503379][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.503379][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.503379][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.503379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.503379][ T10] [ 1895.505504][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1895.505797][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1895.505797][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.505797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1895.505797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.505797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1895.505797][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.505797][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.505797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.505797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.505797][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.505797][ T10] netlink_unicast+0x449/0x710 [ 1895.505797][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.505797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.505797][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.505797][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.505797][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.505797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.505797][ T10] [ 1895.507783][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1895.507783][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.507783][ T10] ipv6_find_idev+0x102/0x170 [ 1895.507783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.507783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.507783][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.507783][ T10] netlink_unicast+0x449/0x710 [ 1895.507783][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.507783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.507783][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.507783][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.507783][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.507783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.507783][ T10] [ 1895.509265][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1895.509265][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.509265][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.509265][ T10] ipv6_find_idev+0x102/0x170 [ 1895.509265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.509265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.509265][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.509265][ T10] netlink_unicast+0x449/0x710 [ 1895.509265][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.509265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.509265][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.509265][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.509265][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.509265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.509265][ T10] [ 1895.510948][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1895.511280][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1895.511280][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.511280][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1895.511280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.511280][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1895.511280][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.511280][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.511280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.511280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.511280][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.511280][ T10] netlink_unicast+0x449/0x710 [ 1895.511280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.511280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.511280][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.511280][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.511280][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.511280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.511280][ T10] [ 1895.513297][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1895.513297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.513297][ T10] ipv6_find_idev+0x102/0x170 [ 1895.513297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.513297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.513297][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.513297][ T10] netlink_unicast+0x449/0x710 [ 1895.513297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.513297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.513297][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.513297][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.513297][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.513297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.513297][ T10] [ 1895.514825][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1895.514825][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.514825][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.514825][ T10] ipv6_find_idev+0x102/0x170 [ 1895.514825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.514825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.514825][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.514825][ T10] netlink_unicast+0x449/0x710 [ 1895.514825][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.514825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.514825][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.514825][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.514825][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.514825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.514825][ T10] [ 1895.516543][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1895.516816][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1895.516816][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.516816][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1895.516816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.516816][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1895.516816][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.516816][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.516816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.516816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.516816][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.516816][ T10] netlink_unicast+0x449/0x710 [ 1895.516816][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.516816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.516816][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.516816][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.516816][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.516816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.516816][ T10] [ 1895.518843][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1895.518843][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.518843][ T10] ipv6_find_idev+0x102/0x170 [ 1895.518843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.518843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.518843][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.518843][ T10] netlink_unicast+0x449/0x710 [ 1895.518843][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.518843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.518843][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.518843][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.518843][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.518843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.518843][ T10] [ 1895.520650][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1895.520650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.520650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.520650][ T10] ipv6_find_idev+0x102/0x170 [ 1895.520650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.520650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.520650][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.520650][ T10] netlink_unicast+0x449/0x710 [ 1895.520650][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.520650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.520650][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.520650][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.520650][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.520650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.520650][ T10] [ 1895.522558][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1895.522827][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1895.522827][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.522827][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1895.522827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.522827][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1895.522827][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.522827][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.522827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.522827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.522827][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.522827][ T10] netlink_unicast+0x449/0x710 [ 1895.522827][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.522827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.522827][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.522827][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.522827][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.522827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.522827][ T10] [ 1895.524973][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1895.524973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.524973][ T10] ipv6_find_idev+0x102/0x170 [ 1895.524973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.524973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.524973][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.524973][ T10] netlink_unicast+0x449/0x710 [ 1895.524973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.524973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.524973][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.524973][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.524973][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.524973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.524973][ T10] [ 1895.526689][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1895.526689][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.526689][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.526689][ T10] ipv6_find_idev+0x102/0x170 [ 1895.526689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.526689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.526689][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.526689][ T10] netlink_unicast+0x449/0x710 [ 1895.526689][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.526689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.526689][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.526689][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.526689][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.526689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.526689][ T10] [ 1895.528624][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1895.528935][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1895.528935][ T10] netdev_get_by_index+0x5e/0x80 [ 1895.528935][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1895.528935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1895.528935][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1895.528935][ T10] ipv6_add_addr+0x411/0x2000 [ 1895.528935][ T10] inet6_addr_add+0x30e/0xa40 [ 1895.528935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1895.528935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.528935][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.528935][ T10] netlink_unicast+0x449/0x710 [ 1895.528935][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.528935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.528935][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.528935][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.528935][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.528935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.528935][ T10] [ 1895.531178][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1895.531178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1895.531178][ T10] ipv6_find_idev+0x102/0x170 [ 1895.531178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.531178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.531178][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.531178][ T10] netlink_unicast+0x449/0x710 [ 1895.531178][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.531178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.531178][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.531178][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.531178][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.531178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.531178][ T10] [ 1895.532917][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1895.532917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1895.532917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1895.532917][ T10] ipv6_find_idev+0x102/0x170 [ 1895.532917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1895.532917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1895.532917][ T10] netlink_rcv_skb+0x130/0x360 [ 1895.532917][ T10] netlink_unicast+0x449/0x710 [ 1895.532917][ T10] netlink_sendmsg+0x723/0xbe0 [ 1895.532917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1895.532917][ T10] ___sys_sendmsg+0xee/0x170 [ 1895.532917][ T10] __sys_sendmsg+0xcd/0x170 [ 1895.532917][ T10] do_syscall_64+0xc6/0x1e0 [ 1895.532917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1895.532917][ T10] [ 1905.680203][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1905.680629][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1905.680629][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.680629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.680629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.680629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.680629][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.680629][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.680629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.680629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.680629][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.680629][ T10] netlink_unicast+0x449/0x710 [ 1905.680629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.680629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.680629][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.680629][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.680629][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.680629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.680629][ T10] [ 1905.682598][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1905.682598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.682598][ T10] ipv6_find_idev+0x102/0x170 [ 1905.682598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.682598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.682598][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.682598][ T10] netlink_unicast+0x449/0x710 [ 1905.682598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.682598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.682598][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.682598][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.682598][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.682598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.682598][ T10] [ 1905.684154][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1905.684154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.684154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.684154][ T10] ipv6_find_idev+0x102/0x170 [ 1905.684154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.684154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.684154][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.684154][ T10] netlink_unicast+0x449/0x710 [ 1905.684154][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.684154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.684154][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.684154][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.684154][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.684154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.684154][ T10] [ 1905.685870][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1905.686139][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1905.686139][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.686139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.686139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.686139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.686139][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.686139][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.686139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.686139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.686139][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.686139][ T10] netlink_unicast+0x449/0x710 [ 1905.686139][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.686139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.686139][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.686139][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.686139][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.686139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.686139][ T10] [ 1905.688147][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1905.688147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.688147][ T10] ipv6_find_idev+0x102/0x170 [ 1905.688147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.688147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.688147][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.688147][ T10] netlink_unicast+0x449/0x710 [ 1905.688147][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.688147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.688147][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.688147][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.688147][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.688147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.688147][ T10] [ 1905.689664][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1905.689664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.689664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.689664][ T10] ipv6_find_idev+0x102/0x170 [ 1905.689664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.689664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.689664][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.689664][ T10] netlink_unicast+0x449/0x710 [ 1905.689664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.689664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.689664][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.689664][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.689664][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.689664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.689664][ T10] [ 1905.691279][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1905.691538][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1905.691538][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.691538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.691538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.691538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.691538][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.691538][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.691538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.691538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.691538][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.691538][ T10] netlink_unicast+0x449/0x710 [ 1905.691538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.691538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.691538][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.691538][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.691538][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.691538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.691538][ T10] [ 1905.693499][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1905.693499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.693499][ T10] ipv6_find_idev+0x102/0x170 [ 1905.693499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.693499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.693499][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.693499][ T10] netlink_unicast+0x449/0x710 [ 1905.693499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.693499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.693499][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.693499][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.693499][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.693499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.693499][ T10] [ 1905.695025][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1905.695025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.695025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.695025][ T10] ipv6_find_idev+0x102/0x170 [ 1905.695025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.695025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.695025][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.695025][ T10] netlink_unicast+0x449/0x710 [ 1905.695025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.695025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.695025][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.695025][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.695025][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.695025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.695025][ T10] [ 1905.696741][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1905.697003][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1905.697003][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.697003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.697003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.697003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.697003][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.697003][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.697003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.697003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.697003][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.697003][ T10] netlink_unicast+0x449/0x710 [ 1905.697003][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.697003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.697003][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.697003][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.697003][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.697003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.697003][ T10] [ 1905.699000][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1905.699000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.699000][ T10] ipv6_find_idev+0x102/0x170 [ 1905.699000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.699000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.699000][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.699000][ T10] netlink_unicast+0x449/0x710 [ 1905.699000][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.699000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.699000][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.699000][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.699000][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.699000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.699000][ T10] [ 1905.700542][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1905.700542][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.700542][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.700542][ T10] ipv6_find_idev+0x102/0x170 [ 1905.700542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.700542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.700542][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.700542][ T10] netlink_unicast+0x449/0x710 [ 1905.700542][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.700542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.700542][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.700542][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.700542][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.700542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.700542][ T10] [ 1905.702614][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1905.702889][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1905.702889][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.702889][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.702889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.702889][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.702889][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.702889][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.702889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.702889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.702889][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.702889][ T10] netlink_unicast+0x449/0x710 [ 1905.702889][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.702889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.702889][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.702889][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.702889][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.702889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.702889][ T10] [ 1905.704876][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1905.704876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.704876][ T10] ipv6_find_idev+0x102/0x170 [ 1905.704876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.704876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.704876][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.704876][ T10] netlink_unicast+0x449/0x710 [ 1905.704876][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.704876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.704876][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.704876][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.704876][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.704876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.704876][ T10] [ 1905.706440][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1905.706440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.706440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.706440][ T10] ipv6_find_idev+0x102/0x170 [ 1905.706440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.706440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.706440][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.706440][ T10] netlink_unicast+0x449/0x710 [ 1905.706440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.706440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.706440][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.706440][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.706440][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.706440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.706440][ T10] [ 1905.708157][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1905.708418][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1905.708418][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.708418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.708418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.708418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.708418][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.708418][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.708418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.708418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.708418][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.708418][ T10] netlink_unicast+0x449/0x710 [ 1905.708418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.708418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.708418][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.708418][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.708418][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.708418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.708418][ T10] [ 1905.710540][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1905.710540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.710540][ T10] ipv6_find_idev+0x102/0x170 [ 1905.710540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.710540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.710540][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.710540][ T10] netlink_unicast+0x449/0x710 [ 1905.710540][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.710540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.710540][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.710540][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.710540][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.710540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.710540][ T10] [ 1905.712247][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1905.712247][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.712247][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.712247][ T10] ipv6_find_idev+0x102/0x170 [ 1905.712247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.712247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.712247][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.712247][ T10] netlink_unicast+0x449/0x710 [ 1905.712247][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.712247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.712247][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.712247][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.712247][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.712247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.712247][ T10] [ 1905.714285][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1905.714547][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1905.714547][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.714547][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.714547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.714547][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.714547][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.714547][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.714547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.714547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.714547][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.714547][ T10] netlink_unicast+0x449/0x710 [ 1905.714547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.714547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.714547][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.714547][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.714547][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.714547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.714547][ T10] [ 1905.716732][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1905.716732][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.716732][ T10] ipv6_find_idev+0x102/0x170 [ 1905.716732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.716732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.716732][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.716732][ T10] netlink_unicast+0x449/0x710 [ 1905.716732][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.716732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.716732][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.716732][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.716732][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.716732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.716732][ T10] [ 1905.718475][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1905.718475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.718475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.718475][ T10] ipv6_find_idev+0x102/0x170 [ 1905.718475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.718475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.718475][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.718475][ T10] netlink_unicast+0x449/0x710 [ 1905.718475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.718475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.718475][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.718475][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.718475][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.718475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.718475][ T10] [ 1905.720421][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1905.720679][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1905.720679][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.720679][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.720679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.720679][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.720679][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.720679][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.720679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.720679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.720679][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.720679][ T10] netlink_unicast+0x449/0x710 [ 1905.720679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.720679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.720679][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.720679][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.720679][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.720679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.720679][ T10] [ 1905.722951][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1905.722951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.722951][ T10] ipv6_find_idev+0x102/0x170 [ 1905.722951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.722951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.722951][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.722951][ T10] netlink_unicast+0x449/0x710 [ 1905.722951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.722951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.722951][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.722951][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.722951][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.722951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.722951][ T10] [ 1905.724619][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1905.724619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.724619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.724619][ T10] ipv6_find_idev+0x102/0x170 [ 1905.724619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.724619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.724619][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.724619][ T10] netlink_unicast+0x449/0x710 [ 1905.724619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.724619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.724619][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.724619][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.724619][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.724619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.724619][ T10] [ 1915.856251][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1915.856586][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1915.856586][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.856586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.856586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.856586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.856586][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.856586][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.856586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.856586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.856586][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.856586][ T10] netlink_unicast+0x449/0x710 [ 1915.856586][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.856586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.856586][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.856586][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.856586][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.856586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.856586][ T10] [ 1915.858686][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1915.858686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.858686][ T10] ipv6_find_idev+0x102/0x170 [ 1915.858686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.858686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.858686][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.858686][ T10] netlink_unicast+0x449/0x710 [ 1915.858686][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.858686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.858686][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.858686][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.858686][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.858686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.858686][ T10] [ 1915.860304][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1915.860304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.860304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.860304][ T10] ipv6_find_idev+0x102/0x170 [ 1915.860304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.860304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.860304][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.860304][ T10] netlink_unicast+0x449/0x710 [ 1915.860304][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.860304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.860304][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.860304][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.860304][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.860304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.860304][ T10] [ 1915.862174][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1915.862454][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1915.862454][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.862454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.862454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.862454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.862454][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.862454][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.862454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.862454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.862454][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.862454][ T10] netlink_unicast+0x449/0x710 [ 1915.862454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.862454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.862454][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.862454][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.862454][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.862454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.862454][ T10] [ 1915.864470][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1915.864470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.864470][ T10] ipv6_find_idev+0x102/0x170 [ 1915.864470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.864470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.864470][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.864470][ T10] netlink_unicast+0x449/0x710 [ 1915.864470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.864470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.864470][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.864470][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.864470][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.864470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.864470][ T10] [ 1915.866022][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1915.866022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.866022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.866022][ T10] ipv6_find_idev+0x102/0x170 [ 1915.866022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.866022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.866022][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.866022][ T10] netlink_unicast+0x449/0x710 [ 1915.866022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.866022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.866022][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.866022][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.866022][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.866022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.866022][ T10] [ 1915.867784][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1915.868063][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1915.868063][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.868063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.868063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.868063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.868063][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.868063][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.868063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.868063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.868063][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.868063][ T10] netlink_unicast+0x449/0x710 [ 1915.868063][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.868063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.868063][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.868063][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.868063][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.868063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.868063][ T10] [ 1915.870127][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1915.870127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.870127][ T10] ipv6_find_idev+0x102/0x170 [ 1915.870127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.870127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.870127][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.870127][ T10] netlink_unicast+0x449/0x710 [ 1915.870127][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.870127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.870127][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.870127][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.870127][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.870127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.870127][ T10] [ 1915.871724][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1915.871724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.871724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.871724][ T10] ipv6_find_idev+0x102/0x170 [ 1915.871724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.871724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.871724][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.871724][ T10] netlink_unicast+0x449/0x710 [ 1915.871724][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.871724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.871724][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.871724][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.871724][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.871724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.871724][ T10] [ 1915.873534][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1915.873810][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1915.873810][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.873810][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.873810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.873810][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.873810][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.873810][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.873810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.873810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.873810][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.873810][ T10] netlink_unicast+0x449/0x710 [ 1915.873810][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.873810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.873810][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.873810][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.873810][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.873810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.873810][ T10] [ 1915.876130][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1915.876130][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.876130][ T10] ipv6_find_idev+0x102/0x170 [ 1915.876130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.876130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.876130][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.876130][ T10] netlink_unicast+0x449/0x710 [ 1915.876130][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.876130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.876130][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.876130][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.876130][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.876130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.876130][ T10] [ 1915.877941][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1915.877941][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.877941][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.877941][ T10] ipv6_find_idev+0x102/0x170 [ 1915.877941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.877941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.877941][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.877941][ T10] netlink_unicast+0x449/0x710 [ 1915.877941][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.877941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.877941][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.877941][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.877941][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.877941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.877941][ T10] [ 1915.879935][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1915.880279][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1915.880279][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.880279][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.880279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.880279][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.880279][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.880279][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.880279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.880279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.880279][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.880279][ T10] netlink_unicast+0x449/0x710 [ 1915.880279][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.880279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.880279][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.880279][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.880279][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.880279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.880279][ T10] [ 1915.882696][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1915.882696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.882696][ T10] ipv6_find_idev+0x102/0x170 [ 1915.882696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.882696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.882696][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.882696][ T10] netlink_unicast+0x449/0x710 [ 1915.882696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.882696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.882696][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.882696][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.882696][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.882696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.882696][ T10] [ 1915.884512][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1915.884512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.884512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.884512][ T10] ipv6_find_idev+0x102/0x170 [ 1915.884512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.884512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.884512][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.884512][ T10] netlink_unicast+0x449/0x710 [ 1915.884512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.884512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.884512][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.884512][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.884512][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.884512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.884512][ T10] [ 1915.886444][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1915.886732][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1915.886732][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.886732][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.886732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.886732][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.886732][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.886732][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.886732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.886732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.886732][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.886732][ T10] netlink_unicast+0x449/0x710 [ 1915.886732][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.886732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.886732][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.886732][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.886732][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.886732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.886732][ T10] [ 1915.888832][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1915.888832][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.888832][ T10] ipv6_find_idev+0x102/0x170 [ 1915.888832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.888832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.888832][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.888832][ T10] netlink_unicast+0x449/0x710 [ 1915.888832][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.888832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.888832][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.888832][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.888832][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.888832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.888832][ T10] [ 1915.890421][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1915.890421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.890421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.890421][ T10] ipv6_find_idev+0x102/0x170 [ 1915.890421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.890421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.890421][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.890421][ T10] netlink_unicast+0x449/0x710 [ 1915.890421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.890421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.890421][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.890421][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.890421][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.890421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.890421][ T10] [ 1915.892234][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1915.892525][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1915.892525][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.892525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.892525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.892525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.892525][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.892525][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.892525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.892525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.892525][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.892525][ T10] netlink_unicast+0x449/0x710 [ 1915.892525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.892525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.892525][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.892525][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.892525][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.892525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.892525][ T10] [ 1915.894568][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1915.894568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.894568][ T10] ipv6_find_idev+0x102/0x170 [ 1915.894568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.894568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.894568][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.894568][ T10] netlink_unicast+0x449/0x710 [ 1915.894568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.894568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.894568][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.894568][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.894568][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.894568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.894568][ T10] [ 1915.896179][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1915.896179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.896179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.896179][ T10] ipv6_find_idev+0x102/0x170 [ 1915.896179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.896179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.896179][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.896179][ T10] netlink_unicast+0x449/0x710 [ 1915.896179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.896179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.896179][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.896179][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.896179][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.896179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.896179][ T10] [ 1915.897997][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1915.898351][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1915.898351][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.898351][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.898351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.898351][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.898351][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.898351][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.898351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.898351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.898351][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.898351][ T10] netlink_unicast+0x449/0x710 [ 1915.898351][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.898351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.898351][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.898351][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.898351][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.898351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.898351][ T10] [ 1915.900464][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1915.900464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.900464][ T10] ipv6_find_idev+0x102/0x170 [ 1915.900464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.900464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.900464][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.900464][ T10] netlink_unicast+0x449/0x710 [ 1915.900464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.900464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.900464][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.900464][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.900464][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.900464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.900464][ T10] [ 1915.902288][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1915.902288][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.902288][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.902288][ T10] ipv6_find_idev+0x102/0x170 [ 1915.902288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.902288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.902288][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.902288][ T10] netlink_unicast+0x449/0x710 [ 1915.902288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.902288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.902288][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.902288][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.902288][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.902288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.902288][ T10] [ 1925.992206][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1925.992652][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1925.992652][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.992652][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1925.992652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.992652][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1925.992652][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.992652][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.992652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.992652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.992652][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.992652][ T10] netlink_unicast+0x449/0x710 [ 1925.992652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.992652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.992652][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.992652][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.992652][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.992652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.992652][ T10] [ 1925.994690][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1925.994690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.994690][ T10] ipv6_find_idev+0x102/0x170 [ 1925.994690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.994690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.994690][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.994690][ T10] netlink_unicast+0x449/0x710 [ 1925.994690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.994690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.994690][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.994690][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.994690][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.994690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.994690][ T10] [ 1925.996319][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1925.996319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.996319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.996319][ T10] ipv6_find_idev+0x102/0x170 [ 1925.996319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.996319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.996319][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.996319][ T10] netlink_unicast+0x449/0x710 [ 1925.996319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.996319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.996319][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.996319][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.996319][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.996319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.996319][ T10] [ 1925.998048][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1925.998343][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1925.998343][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.998343][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1925.998343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.998343][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1925.998343][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.998343][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.998343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.998343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.998343][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.998343][ T10] netlink_unicast+0x449/0x710 [ 1925.998343][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.998343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.998343][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.998343][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.998343][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.998343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.998343][ T10] [ 1926.000345][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1926.000345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1926.000345][ T10] ipv6_find_idev+0x102/0x170 [ 1926.000345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.000345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.000345][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.000345][ T10] netlink_unicast+0x449/0x710 [ 1926.000345][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.000345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.000345][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.000345][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.000345][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.000345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.000345][ T10] [ 1926.001853][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1926.001853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1926.001853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1926.001853][ T10] ipv6_find_idev+0x102/0x170 [ 1926.001853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.001853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.001853][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.001853][ T10] netlink_unicast+0x449/0x710 [ 1926.001853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.001853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.001853][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.001853][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.001853][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.001853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.001853][ T10] [ 1926.003564][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1926.003836][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1926.003836][ T10] netdev_get_by_index+0x5e/0x80 [ 1926.003836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1926.003836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1926.003836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1926.003836][ T10] ipv6_add_addr+0x411/0x2000 [ 1926.003836][ T10] inet6_addr_add+0x30e/0xa40 [ 1926.003836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1926.003836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.003836][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.003836][ T10] netlink_unicast+0x449/0x710 [ 1926.003836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.003836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.003836][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.003836][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.003836][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.003836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.003836][ T10] [ 1926.005862][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1926.005862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1926.005862][ T10] ipv6_find_idev+0x102/0x170 [ 1926.005862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.005862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.005862][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.005862][ T10] netlink_unicast+0x449/0x710 [ 1926.005862][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.005862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.005862][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.005862][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.005862][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.005862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.005862][ T10] [ 1926.007445][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1926.007445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1926.007445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1926.007445][ T10] ipv6_find_idev+0x102/0x170 [ 1926.007445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.007445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.007445][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.007445][ T10] netlink_unicast+0x449/0x710 [ 1926.007445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.007445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.007445][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.007445][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.007445][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.007445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.007445][ T10] [ 1926.009133][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1926.009399][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1926.009399][ T10] netdev_get_by_index+0x5e/0x80 [ 1926.009399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1926.009399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1926.009399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1926.009399][ T10] ipv6_add_addr+0x411/0x2000 [ 1926.009399][ T10] inet6_addr_add+0x30e/0xa40 [ 1926.009399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1926.009399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.009399][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.009399][ T10] netlink_unicast+0x449/0x710 [ 1926.009399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.009399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.009399][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.009399][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.009399][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.009399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.009399][ T10] [ 1926.011419][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1926.011419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1926.011419][ T10] ipv6_find_idev+0x102/0x170 [ 1926.011419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.011419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.011419][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.011419][ T10] netlink_unicast+0x449/0x710 [ 1926.011419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.011419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.011419][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.011419][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.011419][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.011419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.011419][ T10] [ 1926.012994][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1926.012994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1926.012994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1926.012994][ T10] ipv6_find_idev+0x102/0x170 [ 1926.012994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.012994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.012994][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.012994][ T10] netlink_unicast+0x449/0x710 [ 1926.012994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.012994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.012994][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.012994][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.012994][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.012994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.012994][ T10] [ 1926.015077][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1926.015698][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1926.015698][ T10] netdev_get_by_index+0x5e/0x80 [ 1926.015698][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1926.015698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1926.015698][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1926.015698][ T10] ipv6_add_addr+0x411/0x2000 [ 1926.015698][ T10] inet6_addr_add+0x30e/0xa40 [ 1926.015698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1926.015698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.015698][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.015698][ T10] netlink_unicast+0x449/0x710 [ 1926.015698][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.015698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.015698][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.015698][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.015698][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.015698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.015698][ T10] [ 1926.017671][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1926.017671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1926.017671][ T10] ipv6_find_idev+0x102/0x170 [ 1926.017671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.017671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.017671][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.017671][ T10] netlink_unicast+0x449/0x710 [ 1926.017671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.017671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.017671][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.017671][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.017671][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.017671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.017671][ T10] [ 1926.019164][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1926.019164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1926.019164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1926.019164][ T10] ipv6_find_idev+0x102/0x170 [ 1926.019164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.019164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.019164][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.019164][ T10] netlink_unicast+0x449/0x710 [ 1926.019164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.019164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.019164][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.019164][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.019164][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.019164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.019164][ T10] [ 1926.020821][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1926.021094][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1926.021094][ T10] netdev_get_by_index+0x5e/0x80 [ 1926.021094][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1926.021094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1926.021094][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1926.021094][ T10] ipv6_add_addr+0x411/0x2000 [ 1926.021094][ T10] inet6_addr_add+0x30e/0xa40 [ 1926.021094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1926.021094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.021094][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.021094][ T10] netlink_unicast+0x449/0x710 [ 1926.021094][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.021094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.021094][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.021094][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.021094][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.021094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.021094][ T10] [ 1926.023098][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1926.023098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1926.023098][ T10] ipv6_find_idev+0x102/0x170 [ 1926.023098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.023098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.023098][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.023098][ T10] netlink_unicast+0x449/0x710 [ 1926.023098][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.023098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.023098][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.023098][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.023098][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.023098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.023098][ T10] [ 1926.024678][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1926.024678][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1926.024678][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1926.024678][ T10] ipv6_find_idev+0x102/0x170 [ 1926.024678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.024678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.024678][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.024678][ T10] netlink_unicast+0x449/0x710 [ 1926.024678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.024678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.024678][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.024678][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.024678][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.024678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.024678][ T10] [ 1926.026583][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1926.026854][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1926.026854][ T10] netdev_get_by_index+0x5e/0x80 [ 1926.026854][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1926.026854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1926.026854][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1926.026854][ T10] ipv6_add_addr+0x411/0x2000 [ 1926.026854][ T10] inet6_addr_add+0x30e/0xa40 [ 1926.026854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1926.026854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.026854][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.026854][ T10] netlink_unicast+0x449/0x710 [ 1926.026854][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.026854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.026854][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.026854][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.026854][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.026854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.026854][ T10] [ 1926.029180][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1926.029180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1926.029180][ T10] ipv6_find_idev+0x102/0x170 [ 1926.029180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.029180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.029180][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.029180][ T10] netlink_unicast+0x449/0x710 [ 1926.029180][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.029180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.029180][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.029180][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.029180][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.029180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.029180][ T10] [ 1926.030886][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1926.030886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1926.030886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1926.030886][ T10] ipv6_find_idev+0x102/0x170 [ 1926.030886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.030886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.030886][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.030886][ T10] netlink_unicast+0x449/0x710 [ 1926.030886][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.030886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.030886][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.030886][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.030886][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.030886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.030886][ T10] [ 1926.032804][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1926.033081][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1926.033081][ T10] netdev_get_by_index+0x5e/0x80 [ 1926.033081][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1926.033081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1926.033081][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1926.033081][ T10] ipv6_add_addr+0x411/0x2000 [ 1926.033081][ T10] inet6_addr_add+0x30e/0xa40 [ 1926.033081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1926.033081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.033081][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.033081][ T10] netlink_unicast+0x449/0x710 [ 1926.033081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.033081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.033081][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.033081][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.033081][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.033081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.033081][ T10] [ 1926.035380][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1926.035380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1926.035380][ T10] ipv6_find_idev+0x102/0x170 [ 1926.035380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.035380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.035380][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.035380][ T10] netlink_unicast+0x449/0x710 [ 1926.035380][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.035380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.035380][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.035380][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.035380][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.035380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.035380][ T10] [ 1926.037129][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1926.037129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1926.037129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1926.037129][ T10] ipv6_find_idev+0x102/0x170 [ 1926.037129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1926.037129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1926.037129][ T10] netlink_rcv_skb+0x130/0x360 [ 1926.037129][ T10] netlink_unicast+0x449/0x710 [ 1926.037129][ T10] netlink_sendmsg+0x723/0xbe0 [ 1926.037129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1926.037129][ T10] ___sys_sendmsg+0xee/0x170 [ 1926.037129][ T10] __sys_sendmsg+0xcd/0x170 [ 1926.037129][ T10] do_syscall_64+0xc6/0x1e0 [ 1926.037129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1926.037129][ T10] [ 1936.280282][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1936.280869][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1936.280869][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.280869][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1936.280869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.280869][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1936.280869][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.280869][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.280869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.280869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.280869][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.280869][ T10] netlink_unicast+0x449/0x710 [ 1936.280869][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.280869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.280869][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.280869][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.280869][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.280869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.280869][ T10] [ 1936.283215][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1936.283215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.283215][ T10] ipv6_find_idev+0x102/0x170 [ 1936.283215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.283215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.283215][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.283215][ T10] netlink_unicast+0x449/0x710 [ 1936.283215][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.283215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.283215][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.283215][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.283215][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.283215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.283215][ T10] [ 1936.284984][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1936.284984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.284984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.284984][ T10] ipv6_find_idev+0x102/0x170 [ 1936.284984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.284984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.284984][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.284984][ T10] netlink_unicast+0x449/0x710 [ 1936.284984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.284984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.284984][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.284984][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.284984][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.284984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.284984][ T10] [ 1936.286948][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1936.287285][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1936.287285][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.287285][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1936.287285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.287285][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1936.287285][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.287285][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.287285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.287285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.287285][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.287285][ T10] netlink_unicast+0x449/0x710 [ 1936.287285][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.287285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.287285][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.287285][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.287285][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.287285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.287285][ T10] [ 1936.289521][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1936.289521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.289521][ T10] ipv6_find_idev+0x102/0x170 [ 1936.289521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.289521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.289521][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.289521][ T10] netlink_unicast+0x449/0x710 [ 1936.289521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.289521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.289521][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.289521][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.289521][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.289521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.289521][ T10] [ 1936.291277][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1936.291277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.291277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.291277][ T10] ipv6_find_idev+0x102/0x170 [ 1936.291277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.291277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.291277][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.291277][ T10] netlink_unicast+0x449/0x710 [ 1936.291277][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.291277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.291277][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.291277][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.291277][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.291277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.291277][ T10] [ 1936.293211][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1936.293515][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1936.293515][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.293515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1936.293515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.293515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1936.293515][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.293515][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.293515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.293515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.293515][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.293515][ T10] netlink_unicast+0x449/0x710 [ 1936.293515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.293515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.293515][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.293515][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.293515][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.293515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.293515][ T10] [ 1936.295819][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1936.295819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.295819][ T10] ipv6_find_idev+0x102/0x170 [ 1936.295819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.295819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.295819][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.295819][ T10] netlink_unicast+0x449/0x710 [ 1936.295819][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.295819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.295819][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.295819][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.295819][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.295819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.295819][ T10] [ 1936.297561][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1936.297561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.297561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.297561][ T10] ipv6_find_idev+0x102/0x170 [ 1936.297561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.297561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.297561][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.297561][ T10] netlink_unicast+0x449/0x710 [ 1936.297561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.297561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.297561][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.297561][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.297561][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.297561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.297561][ T10] [ 1936.299410][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1936.299699][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1936.299699][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.299699][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1936.299699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.299699][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1936.299699][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.299699][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.299699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.299699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.299699][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.299699][ T10] netlink_unicast+0x449/0x710 [ 1936.299699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.299699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.299699][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.299699][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.299699][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.299699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.299699][ T10] [ 1936.301917][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1936.301917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.301917][ T10] ipv6_find_idev+0x102/0x170 [ 1936.301917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.301917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.301917][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.301917][ T10] netlink_unicast+0x449/0x710 [ 1936.301917][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.301917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.301917][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.301917][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.301917][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.301917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.301917][ T10] [ 1936.303628][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1936.303628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.303628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.303628][ T10] ipv6_find_idev+0x102/0x170 [ 1936.303628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.303628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.303628][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.303628][ T10] netlink_unicast+0x449/0x710 [ 1936.303628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.303628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.303628][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.303628][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.303628][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.303628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.303628][ T10] [ 1936.305958][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1936.306312][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1936.306312][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.306312][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1936.306312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.306312][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1936.306312][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.306312][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.306312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.306312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.306312][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.306312][ T10] netlink_unicast+0x449/0x710 [ 1936.306312][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.306312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.306312][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.306312][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.306312][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.306312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.306312][ T10] [ 1936.308539][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1936.308539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.308539][ T10] ipv6_find_idev+0x102/0x170 [ 1936.308539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.308539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.308539][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.308539][ T10] netlink_unicast+0x449/0x710 [ 1936.308539][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.308539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.308539][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.308539][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.308539][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.308539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.308539][ T10] [ 1936.310276][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1936.310276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.310276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.310276][ T10] ipv6_find_idev+0x102/0x170 [ 1936.310276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.310276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.310276][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.310276][ T10] netlink_unicast+0x449/0x710 [ 1936.310276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.310276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.310276][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.310276][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.310276][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.310276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.310276][ T10] [ 1936.312248][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1936.312604][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1936.312604][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.312604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1936.312604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.312604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1936.312604][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.312604][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.312604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.312604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.312604][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.312604][ T10] netlink_unicast+0x449/0x710 [ 1936.312604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.312604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.312604][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.312604][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.312604][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.312604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.312604][ T10] [ 1936.314925][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1936.314925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.314925][ T10] ipv6_find_idev+0x102/0x170 [ 1936.314925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.314925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.314925][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.314925][ T10] netlink_unicast+0x449/0x710 [ 1936.314925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.314925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.314925][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.314925][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.314925][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.314925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.314925][ T10] [ 1936.316924][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1936.316924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.316924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.316924][ T10] ipv6_find_idev+0x102/0x170 [ 1936.316924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.316924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.316924][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.316924][ T10] netlink_unicast+0x449/0x710 [ 1936.316924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.316924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.316924][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.316924][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.316924][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.316924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.316924][ T10] [ 1936.319075][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1936.319424][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1936.319424][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.319424][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1936.319424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.319424][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1936.319424][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.319424][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.319424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.319424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.319424][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.319424][ T10] netlink_unicast+0x449/0x710 [ 1936.319424][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.319424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.319424][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.319424][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.319424][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.319424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.319424][ T10] [ 1936.321807][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1936.321807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.321807][ T10] ipv6_find_idev+0x102/0x170 [ 1936.321807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.321807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.321807][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.321807][ T10] netlink_unicast+0x449/0x710 [ 1936.321807][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.321807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.321807][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.321807][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.321807][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.321807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.321807][ T10] [ 1936.323663][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1936.323663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.323663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.323663][ T10] ipv6_find_idev+0x102/0x170 [ 1936.323663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.323663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.323663][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.323663][ T10] netlink_unicast+0x449/0x710 [ 1936.323663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.323663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.323663][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.323663][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.323663][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.323663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.323663][ T10] [ 1936.325884][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1936.326246][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1936.326246][ T10] netdev_get_by_index+0x5e/0x80 [ 1936.326246][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1936.326246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1936.326246][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1936.326246][ T10] ipv6_add_addr+0x411/0x2000 [ 1936.326246][ T10] inet6_addr_add+0x30e/0xa40 [ 1936.326246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1936.326246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.326246][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.326246][ T10] netlink_unicast+0x449/0x710 [ 1936.326246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.326246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.326246][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.326246][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.326246][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.326246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.326246][ T10] [ 1936.328710][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1936.328710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1936.328710][ T10] ipv6_find_idev+0x102/0x170 [ 1936.328710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.328710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.328710][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.328710][ T10] netlink_unicast+0x449/0x710 [ 1936.328710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.328710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.328710][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.328710][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.328710][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.328710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.328710][ T10] [ 1936.330592][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1936.330592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1936.330592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1936.330592][ T10] ipv6_find_idev+0x102/0x170 [ 1936.330592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1936.330592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1936.330592][ T10] netlink_rcv_skb+0x130/0x360 [ 1936.330592][ T10] netlink_unicast+0x449/0x710 [ 1936.330592][ T10] netlink_sendmsg+0x723/0xbe0 [ 1936.330592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1936.330592][ T10] ___sys_sendmsg+0xee/0x170 [ 1936.330592][ T10] __sys_sendmsg+0xcd/0x170 [ 1936.330592][ T10] do_syscall_64+0xc6/0x1e0 [ 1936.330592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1936.330592][ T10] [ 1946.568267][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1946.568867][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1946.568867][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.568867][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1946.568867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.568867][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1946.568867][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.568867][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.568867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.568867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.568867][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.568867][ T10] netlink_unicast+0x449/0x710 [ 1946.568867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.568867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.568867][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.568867][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.568867][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.568867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.568867][ T10] [ 1946.571116][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1946.571116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.571116][ T10] ipv6_find_idev+0x102/0x170 [ 1946.571116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.571116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.571116][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.571116][ T10] netlink_unicast+0x449/0x710 [ 1946.571116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.571116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.571116][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.571116][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.571116][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.571116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.571116][ T10] [ 1946.572853][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1946.572853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.572853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.572853][ T10] ipv6_find_idev+0x102/0x170 [ 1946.572853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.572853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.572853][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.572853][ T10] netlink_unicast+0x449/0x710 [ 1946.572853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.572853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.572853][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.572853][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.572853][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.572853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.572853][ T10] [ 1946.574774][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1946.575078][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1946.575078][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.575078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1946.575078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.575078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1946.575078][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.575078][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.575078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.575078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.575078][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.575078][ T10] netlink_unicast+0x449/0x710 [ 1946.575078][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.575078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.575078][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.575078][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.575078][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.575078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.575078][ T10] [ 1946.577336][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1946.577336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.577336][ T10] ipv6_find_idev+0x102/0x170 [ 1946.577336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.577336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.577336][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.577336][ T10] netlink_unicast+0x449/0x710 [ 1946.577336][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.577336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.577336][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.577336][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.577336][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.577336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.577336][ T10] [ 1946.579058][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1946.579058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.579058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.579058][ T10] ipv6_find_idev+0x102/0x170 [ 1946.579058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.579058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.579058][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.579058][ T10] netlink_unicast+0x449/0x710 [ 1946.579058][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.579058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.579058][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.579058][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.579058][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.579058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.579058][ T10] [ 1946.580902][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1946.581203][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1946.581203][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.581203][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1946.581203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.581203][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1946.581203][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.581203][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.581203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.581203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.581203][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.581203][ T10] netlink_unicast+0x449/0x710 [ 1946.581203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.581203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.581203][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.581203][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.581203][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.581203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.581203][ T10] [ 1946.583388][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1946.583388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.583388][ T10] ipv6_find_idev+0x102/0x170 [ 1946.583388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.583388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.583388][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.583388][ T10] netlink_unicast+0x449/0x710 [ 1946.583388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.583388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.583388][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.583388][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.583388][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.583388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.583388][ T10] [ 1946.585098][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1946.585098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.585098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.585098][ T10] ipv6_find_idev+0x102/0x170 [ 1946.585098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.585098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.585098][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.585098][ T10] netlink_unicast+0x449/0x710 [ 1946.585098][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.585098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.585098][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.585098][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.585098][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.585098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.585098][ T10] [ 1946.587018][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1946.587745][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1946.587745][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.587745][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1946.587745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.587745][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1946.587745][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.587745][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.587745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.587745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.587745][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.587745][ T10] netlink_unicast+0x449/0x710 [ 1946.587745][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.587745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.587745][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.587745][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.587745][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.587745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.587745][ T10] [ 1946.589939][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1946.589939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.589939][ T10] ipv6_find_idev+0x102/0x170 [ 1946.589939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.589939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.589939][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.589939][ T10] netlink_unicast+0x449/0x710 [ 1946.589939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.589939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.589939][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.589939][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.589939][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.589939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.589939][ T10] [ 1946.591635][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1946.591635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.591635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.591635][ T10] ipv6_find_idev+0x102/0x170 [ 1946.591635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.591635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.591635][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.591635][ T10] netlink_unicast+0x449/0x710 [ 1946.591635][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.591635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.591635][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.591635][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.591635][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.591635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.591635][ T10] [ 1946.593587][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1946.593924][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1946.593924][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.593924][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1946.593924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.593924][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1946.593924][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.593924][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.593924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.593924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.593924][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.593924][ T10] netlink_unicast+0x449/0x710 [ 1946.593924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.593924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.593924][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.593924][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.593924][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.593924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.593924][ T10] [ 1946.596187][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1946.596187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.596187][ T10] ipv6_find_idev+0x102/0x170 [ 1946.596187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.596187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.596187][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.596187][ T10] netlink_unicast+0x449/0x710 [ 1946.596187][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.596187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.596187][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.596187][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.596187][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.596187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.596187][ T10] [ 1946.597918][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1946.597918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.597918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.597918][ T10] ipv6_find_idev+0x102/0x170 [ 1946.597918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.597918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.597918][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.597918][ T10] netlink_unicast+0x449/0x710 [ 1946.597918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.597918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.597918][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.597918][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.597918][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.597918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.597918][ T10] [ 1946.599830][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1946.600190][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1946.600190][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.600190][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1946.600190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.600190][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1946.600190][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.600190][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.600190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.600190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.600190][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.600190][ T10] netlink_unicast+0x449/0x710 [ 1946.600190][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.600190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.600190][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.600190][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.600190][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.600190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.600190][ T10] [ 1946.602469][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1946.602469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.602469][ T10] ipv6_find_idev+0x102/0x170 [ 1946.602469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.602469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.602469][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.602469][ T10] netlink_unicast+0x449/0x710 [ 1946.602469][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.602469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.602469][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.602469][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.602469][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.602469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.602469][ T10] [ 1946.604427][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1946.604427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.604427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.604427][ T10] ipv6_find_idev+0x102/0x170 [ 1946.604427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.604427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.604427][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.604427][ T10] netlink_unicast+0x449/0x710 [ 1946.604427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.604427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.604427][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.604427][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.604427][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.604427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.604427][ T10] [ 1946.606536][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1946.606883][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1946.606883][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.606883][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1946.606883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.606883][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1946.606883][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.606883][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.606883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.606883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.606883][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.606883][ T10] netlink_unicast+0x449/0x710 [ 1946.606883][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.606883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.606883][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.606883][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.606883][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.606883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.606883][ T10] [ 1946.609273][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1946.609273][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.609273][ T10] ipv6_find_idev+0x102/0x170 [ 1946.609273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.609273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.609273][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.609273][ T10] netlink_unicast+0x449/0x710 [ 1946.609273][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.609273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.609273][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.609273][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.609273][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.609273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.609273][ T10] [ 1946.611150][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1946.611150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.611150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.611150][ T10] ipv6_find_idev+0x102/0x170 [ 1946.611150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.611150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.611150][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.611150][ T10] netlink_unicast+0x449/0x710 [ 1946.611150][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.611150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.611150][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.611150][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.611150][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.611150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.611150][ T10] [ 1946.613220][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1946.613556][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1946.613556][ T10] netdev_get_by_index+0x5e/0x80 [ 1946.613556][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1946.613556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1946.613556][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1946.613556][ T10] ipv6_add_addr+0x411/0x2000 [ 1946.613556][ T10] inet6_addr_add+0x30e/0xa40 [ 1946.613556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1946.613556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.613556][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.613556][ T10] netlink_unicast+0x449/0x710 [ 1946.613556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.613556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.613556][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.613556][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.613556][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.613556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.613556][ T10] [ 1946.615976][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1946.615976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1946.615976][ T10] ipv6_find_idev+0x102/0x170 [ 1946.615976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.615976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.615976][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.615976][ T10] netlink_unicast+0x449/0x710 [ 1946.615976][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.615976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.615976][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.615976][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.615976][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.615976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.615976][ T10] [ 1946.617956][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1946.617956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1946.617956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1946.617956][ T10] ipv6_find_idev+0x102/0x170 [ 1946.617956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1946.617956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1946.617956][ T10] netlink_rcv_skb+0x130/0x360 [ 1946.617956][ T10] netlink_unicast+0x449/0x710 [ 1946.617956][ T10] netlink_sendmsg+0x723/0xbe0 [ 1946.617956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1946.617956][ T10] ___sys_sendmsg+0xee/0x170 [ 1946.617956][ T10] __sys_sendmsg+0xcd/0x170 [ 1946.617956][ T10] do_syscall_64+0xc6/0x1e0 [ 1946.617956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1946.617956][ T10] [ 1956.632224][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1956.632658][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1956.632658][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.632658][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.632658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.632658][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.632658][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.632658][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.632658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.632658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.632658][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.632658][ T10] netlink_unicast+0x449/0x710 [ 1956.632658][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.632658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.632658][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.632658][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.632658][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.632658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.632658][ T10] [ 1956.634987][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1956.634987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.634987][ T10] ipv6_find_idev+0x102/0x170 [ 1956.634987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.634987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.634987][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.634987][ T10] netlink_unicast+0x449/0x710 [ 1956.634987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.634987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.634987][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.634987][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.634987][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.634987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.634987][ T10] [ 1956.636842][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1956.636842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.636842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.636842][ T10] ipv6_find_idev+0x102/0x170 [ 1956.636842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.636842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.636842][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.636842][ T10] netlink_unicast+0x449/0x710 [ 1956.636842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.636842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.636842][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.636842][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.636842][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.636842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.636842][ T10] [ 1956.638810][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1956.639085][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1956.639085][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.639085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.639085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.639085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.639085][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.639085][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.639085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.639085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.639085][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.639085][ T10] netlink_unicast+0x449/0x710 [ 1956.639085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.639085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.639085][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.639085][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.639085][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.639085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.639085][ T10] [ 1956.641175][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1956.641175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.641175][ T10] ipv6_find_idev+0x102/0x170 [ 1956.641175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.641175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.641175][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.641175][ T10] netlink_unicast+0x449/0x710 [ 1956.641175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.641175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.641175][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.641175][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.641175][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.641175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.641175][ T10] [ 1956.642727][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1956.642727][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.642727][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.642727][ T10] ipv6_find_idev+0x102/0x170 [ 1956.642727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.642727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.642727][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.642727][ T10] netlink_unicast+0x449/0x710 [ 1956.642727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.642727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.642727][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.642727][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.642727][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.642727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.642727][ T10] [ 1956.644423][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1956.644701][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1956.644701][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.644701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.644701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.644701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.644701][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.644701][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.644701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.644701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.644701][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.644701][ T10] netlink_unicast+0x449/0x710 [ 1956.644701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.644701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.644701][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.644701][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.644701][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.644701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.644701][ T10] [ 1956.646740][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1956.646740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.646740][ T10] ipv6_find_idev+0x102/0x170 [ 1956.646740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.646740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.646740][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.646740][ T10] netlink_unicast+0x449/0x710 [ 1956.646740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.646740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.646740][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.646740][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.646740][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.646740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.646740][ T10] [ 1956.648290][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1956.648290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.648290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.648290][ T10] ipv6_find_idev+0x102/0x170 [ 1956.648290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.648290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.648290][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.648290][ T10] netlink_unicast+0x449/0x710 [ 1956.648290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.648290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.648290][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.648290][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.648290][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.648290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.648290][ T10] [ 1956.650213][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1956.650485][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1956.650485][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.650485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.650485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.650485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.650485][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.650485][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.650485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.650485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.650485][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.650485][ T10] netlink_unicast+0x449/0x710 [ 1956.650485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.650485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.650485][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.650485][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.650485][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.650485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.650485][ T10] [ 1956.652680][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1956.652680][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.652680][ T10] ipv6_find_idev+0x102/0x170 [ 1956.652680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.652680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.652680][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.652680][ T10] netlink_unicast+0x449/0x710 [ 1956.652680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.652680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.652680][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.652680][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.652680][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.652680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.652680][ T10] [ 1956.654249][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1956.654249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.654249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.654249][ T10] ipv6_find_idev+0x102/0x170 [ 1956.654249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.654249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.654249][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.654249][ T10] netlink_unicast+0x449/0x710 [ 1956.654249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.654249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.654249][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.654249][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.654249][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.654249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.654249][ T10] [ 1956.656396][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1956.656672][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1956.656672][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.656672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.656672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.656672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.656672][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.656672][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.656672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.656672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.656672][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.656672][ T10] netlink_unicast+0x449/0x710 [ 1956.656672][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.656672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.656672][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.656672][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.656672][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.656672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.656672][ T10] [ 1956.658686][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1956.658686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.658686][ T10] ipv6_find_idev+0x102/0x170 [ 1956.658686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.658686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.658686][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.658686][ T10] netlink_unicast+0x449/0x710 [ 1956.658686][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.658686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.658686][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.658686][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.658686][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.658686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.658686][ T10] [ 1956.660327][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1956.660327][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.660327][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.660327][ T10] ipv6_find_idev+0x102/0x170 [ 1956.660327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.660327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.660327][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.660327][ T10] netlink_unicast+0x449/0x710 [ 1956.660327][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.660327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.660327][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.660327][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.660327][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.660327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.660327][ T10] [ 1956.662487][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1956.662765][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1956.662765][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.662765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.662765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.662765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.662765][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.662765][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.662765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.662765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.662765][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.662765][ T10] netlink_unicast+0x449/0x710 [ 1956.662765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.662765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.662765][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.662765][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.662765][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.662765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.662765][ T10] [ 1956.664860][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1956.664860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.664860][ T10] ipv6_find_idev+0x102/0x170 [ 1956.664860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.664860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.664860][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.664860][ T10] netlink_unicast+0x449/0x710 [ 1956.664860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.664860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.664860][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.664860][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.664860][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.664860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.664860][ T10] [ 1956.666413][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1956.666413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.666413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.666413][ T10] ipv6_find_idev+0x102/0x170 [ 1956.666413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.666413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.666413][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.666413][ T10] netlink_unicast+0x449/0x710 [ 1956.666413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.666413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.666413][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.666413][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.666413][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.666413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.666413][ T10] [ 1956.668174][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1956.668440][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1956.668440][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.668440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.668440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.668440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.668440][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.668440][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.668440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.668440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.668440][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.668440][ T10] netlink_unicast+0x449/0x710 [ 1956.668440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.668440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.668440][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.668440][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.668440][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.668440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.668440][ T10] [ 1956.670598][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1956.670598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.670598][ T10] ipv6_find_idev+0x102/0x170 [ 1956.670598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.670598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.670598][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.670598][ T10] netlink_unicast+0x449/0x710 [ 1956.670598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.670598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.670598][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.670598][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.670598][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.670598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.670598][ T10] [ 1956.672332][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1956.672332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.672332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.672332][ T10] ipv6_find_idev+0x102/0x170 [ 1956.672332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.672332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.672332][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.672332][ T10] netlink_unicast+0x449/0x710 [ 1956.672332][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.672332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.672332][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.672332][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.672332][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.672332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.672332][ T10] [ 1956.674309][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1956.674645][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1956.674645][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.674645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.674645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.674645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.674645][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.674645][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.674645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.674645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.674645][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.674645][ T10] netlink_unicast+0x449/0x710 [ 1956.674645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.674645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.674645][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.674645][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.674645][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.674645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.674645][ T10] [ 1956.676859][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1956.676859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.676859][ T10] ipv6_find_idev+0x102/0x170 [ 1956.676859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.676859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.676859][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.676859][ T10] netlink_unicast+0x449/0x710 [ 1956.676859][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.676859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.676859][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.676859][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.676859][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.676859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.676859][ T10] [ 1956.678677][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1956.678677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.678677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.678677][ T10] ipv6_find_idev+0x102/0x170 [ 1956.678677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.678677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.678677][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.678677][ T10] netlink_unicast+0x449/0x710 [ 1956.678677][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.678677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.678677][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.678677][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.678677][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.678677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.678677][ T10] [ 1966.792268][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1966.792804][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1966.792804][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.792804][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.792804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.792804][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.792804][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.792804][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.792804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.792804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.792804][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.792804][ T10] netlink_unicast+0x449/0x710 [ 1966.792804][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.792804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.792804][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.792804][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.792804][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.792804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.792804][ T10] [ 1966.795145][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1966.795145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.795145][ T10] ipv6_find_idev+0x102/0x170 [ 1966.795145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.795145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.795145][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.795145][ T10] netlink_unicast+0x449/0x710 [ 1966.795145][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.795145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.795145][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.795145][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.795145][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.795145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.795145][ T10] [ 1966.797007][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1966.797007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.797007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.797007][ T10] ipv6_find_idev+0x102/0x170 [ 1966.797007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.797007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.797007][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.797007][ T10] netlink_unicast+0x449/0x710 [ 1966.797007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.797007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.797007][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.797007][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.797007][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.797007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.797007][ T10] [ 1966.798991][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1966.799313][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1966.799313][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.799313][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.799313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.799313][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.799313][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.799313][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.799313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.799313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.799313][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.799313][ T10] netlink_unicast+0x449/0x710 [ 1966.799313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.799313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.799313][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.799313][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.799313][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.799313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.799313][ T10] [ 1966.801636][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1966.801636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.801636][ T10] ipv6_find_idev+0x102/0x170 [ 1966.801636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.801636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.801636][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.801636][ T10] netlink_unicast+0x449/0x710 [ 1966.801636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.801636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.801636][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.801636][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.801636][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.801636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.801636][ T10] [ 1966.803362][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1966.803362][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.803362][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.803362][ T10] ipv6_find_idev+0x102/0x170 [ 1966.803362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.803362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.803362][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.803362][ T10] netlink_unicast+0x449/0x710 [ 1966.803362][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.803362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.803362][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.803362][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.803362][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.803362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.803362][ T10] [ 1966.805278][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1966.805583][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1966.805583][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.805583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.805583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.805583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.805583][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.805583][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.805583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.805583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.805583][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.805583][ T10] netlink_unicast+0x449/0x710 [ 1966.805583][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.805583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.805583][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.805583][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.805583][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.805583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.805583][ T10] [ 1966.807907][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1966.807907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.807907][ T10] ipv6_find_idev+0x102/0x170 [ 1966.807907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.807907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.807907][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.807907][ T10] netlink_unicast+0x449/0x710 [ 1966.807907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.807907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.807907][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.807907][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.807907][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.807907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.807907][ T10] [ 1966.809711][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1966.809711][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.809711][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.809711][ T10] ipv6_find_idev+0x102/0x170 [ 1966.809711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.809711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.809711][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.809711][ T10] netlink_unicast+0x449/0x710 [ 1966.809711][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.809711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.809711][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.809711][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.809711][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.809711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.809711][ T10] [ 1966.811656][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1966.811962][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1966.811962][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.811962][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.811962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.811962][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.811962][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.811962][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.811962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.811962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.811962][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.811962][ T10] netlink_unicast+0x449/0x710 [ 1966.811962][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.811962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.811962][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.811962][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.811962][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.811962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.811962][ T10] [ 1966.814293][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1966.814293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.814293][ T10] ipv6_find_idev+0x102/0x170 [ 1966.814293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.814293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.814293][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.814293][ T10] netlink_unicast+0x449/0x710 [ 1966.814293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.814293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.814293][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.814293][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.814293][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.814293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.814293][ T10] [ 1966.816267][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1966.816267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.816267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.816267][ T10] ipv6_find_idev+0x102/0x170 [ 1966.816267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.816267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.816267][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.816267][ T10] netlink_unicast+0x449/0x710 [ 1966.816267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.816267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.816267][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.816267][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.816267][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.816267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.816267][ T10] [ 1966.818517][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1966.818827][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1966.818827][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.818827][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.818827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.818827][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.818827][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.818827][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.818827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.818827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.818827][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.818827][ T10] netlink_unicast+0x449/0x710 [ 1966.818827][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.818827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.818827][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.818827][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.818827][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.818827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.818827][ T10] [ 1966.821232][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1966.821232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.821232][ T10] ipv6_find_idev+0x102/0x170 [ 1966.821232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.821232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.821232][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.821232][ T10] netlink_unicast+0x449/0x710 [ 1966.821232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.821232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.821232][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.821232][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.821232][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.821232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.821232][ T10] [ 1966.823005][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1966.823005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.823005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.823005][ T10] ipv6_find_idev+0x102/0x170 [ 1966.823005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.823005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.823005][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.823005][ T10] netlink_unicast+0x449/0x710 [ 1966.823005][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.823005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.823005][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.823005][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.823005][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.823005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.823005][ T10] [ 1966.825657][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1966.826430][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1966.826430][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.826430][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.826430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.826430][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.826430][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.826430][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.826430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.826430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.826430][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.826430][ T10] netlink_unicast+0x449/0x710 [ 1966.826430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.826430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.826430][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.826430][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.826430][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.826430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.826430][ T10] [ 1966.828689][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1966.828689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.828689][ T10] ipv6_find_idev+0x102/0x170 [ 1966.828689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.828689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.828689][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.828689][ T10] netlink_unicast+0x449/0x710 [ 1966.828689][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.828689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.828689][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.828689][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.828689][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.828689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.828689][ T10] [ 1966.830463][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1966.830463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.830463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.830463][ T10] ipv6_find_idev+0x102/0x170 [ 1966.830463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.830463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.830463][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.830463][ T10] netlink_unicast+0x449/0x710 [ 1966.830463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.830463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.830463][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.830463][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.830463][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.830463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.830463][ T10] [ 1966.832558][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1966.832907][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1966.832907][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.832907][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.832907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.832907][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.832907][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.832907][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.832907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.832907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.832907][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.832907][ T10] netlink_unicast+0x449/0x710 [ 1966.832907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.832907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.832907][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.832907][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.832907][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.832907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.832907][ T10] [ 1966.835183][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1966.835183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.835183][ T10] ipv6_find_idev+0x102/0x170 [ 1966.835183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.835183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.835183][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.835183][ T10] netlink_unicast+0x449/0x710 [ 1966.835183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.835183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.835183][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.835183][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.835183][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.835183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.835183][ T10] [ 1966.836981][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1966.836981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.836981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.836981][ T10] ipv6_find_idev+0x102/0x170 [ 1966.836981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.836981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.836981][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.836981][ T10] netlink_unicast+0x449/0x710 [ 1966.836981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.836981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.836981][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.836981][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.836981][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.836981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.836981][ T10] [ 1966.839231][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1966.839656][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1966.839656][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.839656][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.839656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.839656][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.839656][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.839656][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.839656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.839656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.839656][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.839656][ T10] netlink_unicast+0x449/0x710 [ 1966.839656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.839656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.839656][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.839656][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.839656][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.839656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.839656][ T10] [ 1966.841991][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1966.841991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.841991][ T10] ipv6_find_idev+0x102/0x170 [ 1966.841991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.841991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.841991][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.841991][ T10] netlink_unicast+0x449/0x710 [ 1966.841991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.841991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.841991][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.841991][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.841991][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.841991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.841991][ T10] [ 1966.843735][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1966.843735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.843735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.843735][ T10] ipv6_find_idev+0x102/0x170 [ 1966.843735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.843735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.843735][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.843735][ T10] netlink_unicast+0x449/0x710 [ 1966.843735][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.843735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.843735][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.843735][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.843735][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.843735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.843735][ T10] [ 1976.848210][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1976.848648][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1976.848648][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.848648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.848648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.848648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.848648][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.848648][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.848648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.848648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.848648][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.848648][ T10] netlink_unicast+0x449/0x710 [ 1976.848648][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.848648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.848648][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.848648][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.848648][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.848648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.848648][ T10] [ 1976.850675][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1976.850675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.850675][ T10] ipv6_find_idev+0x102/0x170 [ 1976.850675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.850675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.850675][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.850675][ T10] netlink_unicast+0x449/0x710 [ 1976.850675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.850675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.850675][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.850675][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.850675][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.850675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.850675][ T10] [ 1976.852253][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1976.852253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.852253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.852253][ T10] ipv6_find_idev+0x102/0x170 [ 1976.852253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.852253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.852253][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.852253][ T10] netlink_unicast+0x449/0x710 [ 1976.852253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.852253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.852253][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.852253][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.852253][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.852253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.852253][ T10] [ 1976.853935][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1976.854241][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1976.854241][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.854241][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.854241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.854241][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.854241][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.854241][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.854241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.854241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.854241][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.854241][ T10] netlink_unicast+0x449/0x710 [ 1976.854241][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.854241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.854241][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.854241][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.854241][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.854241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.854241][ T10] [ 1976.856260][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1976.856260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.856260][ T10] ipv6_find_idev+0x102/0x170 [ 1976.856260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.856260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.856260][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.856260][ T10] netlink_unicast+0x449/0x710 [ 1976.856260][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.856260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.856260][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.856260][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.856260][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.856260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.856260][ T10] [ 1976.857756][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1976.857756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.857756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.857756][ T10] ipv6_find_idev+0x102/0x170 [ 1976.857756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.857756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.857756][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.857756][ T10] netlink_unicast+0x449/0x710 [ 1976.857756][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.857756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.857756][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.857756][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.857756][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.857756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.857756][ T10] [ 1976.859442][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1976.859717][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1976.859717][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.859717][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.859717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.859717][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.859717][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.859717][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.859717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.859717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.859717][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.859717][ T10] netlink_unicast+0x449/0x710 [ 1976.859717][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.859717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.859717][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.859717][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.859717][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.859717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.859717][ T10] [ 1976.861702][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1976.861702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.861702][ T10] ipv6_find_idev+0x102/0x170 [ 1976.861702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.861702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.861702][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.861702][ T10] netlink_unicast+0x449/0x710 [ 1976.861702][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.861702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.861702][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.861702][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.861702][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.861702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.861702][ T10] [ 1976.863255][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1976.863255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.863255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.863255][ T10] ipv6_find_idev+0x102/0x170 [ 1976.863255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.863255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.863255][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.863255][ T10] netlink_unicast+0x449/0x710 [ 1976.863255][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.863255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.863255][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.863255][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.863255][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.863255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.863255][ T10] [ 1976.864934][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1976.865653][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1976.865653][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.865653][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.865653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.865653][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.865653][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.865653][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.865653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.865653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.865653][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.865653][ T10] netlink_unicast+0x449/0x710 [ 1976.865653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.865653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.865653][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.865653][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.865653][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.865653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.865653][ T10] [ 1976.867655][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1976.867655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.867655][ T10] ipv6_find_idev+0x102/0x170 [ 1976.867655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.867655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.867655][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.867655][ T10] netlink_unicast+0x449/0x710 [ 1976.867655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.867655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.867655][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.867655][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.867655][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.867655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.867655][ T10] [ 1976.869170][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1976.869170][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.869170][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.869170][ T10] ipv6_find_idev+0x102/0x170 [ 1976.869170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.869170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.869170][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.869170][ T10] netlink_unicast+0x449/0x710 [ 1976.869170][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.869170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.869170][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.869170][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.869170][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.869170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.869170][ T10] [ 1976.870908][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1976.871230][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1976.871230][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.871230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.871230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.871230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.871230][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.871230][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.871230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.871230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.871230][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.871230][ T10] netlink_unicast+0x449/0x710 [ 1976.871230][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.871230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.871230][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.871230][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.871230][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.871230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.871230][ T10] [ 1976.873243][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1976.873243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.873243][ T10] ipv6_find_idev+0x102/0x170 [ 1976.873243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.873243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.873243][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.873243][ T10] netlink_unicast+0x449/0x710 [ 1976.873243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.873243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.873243][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.873243][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.873243][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.873243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.873243][ T10] [ 1976.874782][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1976.874782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.874782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.874782][ T10] ipv6_find_idev+0x102/0x170 [ 1976.874782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.874782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.874782][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.874782][ T10] netlink_unicast+0x449/0x710 [ 1976.874782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.874782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.874782][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.874782][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.874782][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.874782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.874782][ T10] [ 1976.876540][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1976.876804][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1976.876804][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.876804][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.876804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.876804][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.876804][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.876804][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.876804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.876804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.876804][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.876804][ T10] netlink_unicast+0x449/0x710 [ 1976.876804][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.876804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.876804][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.876804][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.876804][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.876804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.876804][ T10] [ 1976.878877][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1976.878877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.878877][ T10] ipv6_find_idev+0x102/0x170 [ 1976.878877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.878877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.878877][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.878877][ T10] netlink_unicast+0x449/0x710 [ 1976.878877][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.878877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.878877][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.878877][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.878877][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.878877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.878877][ T10] [ 1976.880669][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1976.880669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.880669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.880669][ T10] ipv6_find_idev+0x102/0x170 [ 1976.880669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.880669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.880669][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.880669][ T10] netlink_unicast+0x449/0x710 [ 1976.880669][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.880669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.880669][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.880669][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.880669][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.880669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.880669][ T10] [ 1976.882676][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1976.882941][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1976.882941][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.882941][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.882941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.882941][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.882941][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.882941][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.882941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.882941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.882941][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.882941][ T10] netlink_unicast+0x449/0x710 [ 1976.882941][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.882941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.882941][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.882941][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.882941][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.882941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.882941][ T10] [ 1976.885149][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1976.885149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.885149][ T10] ipv6_find_idev+0x102/0x170 [ 1976.885149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.885149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.885149][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.885149][ T10] netlink_unicast+0x449/0x710 [ 1976.885149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.885149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.885149][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.885149][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.885149][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.885149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.885149][ T10] [ 1976.886905][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1976.886905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.886905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.886905][ T10] ipv6_find_idev+0x102/0x170 [ 1976.886905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.886905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.886905][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.886905][ T10] netlink_unicast+0x449/0x710 [ 1976.886905][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.886905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.886905][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.886905][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.886905][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.886905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.886905][ T10] [ 1976.888831][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1976.889171][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1976.889171][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.889171][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.889171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.889171][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.889171][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.889171][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.889171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.889171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.889171][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.889171][ T10] netlink_unicast+0x449/0x710 [ 1976.889171][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.889171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.889171][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.889171][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.889171][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.889171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.889171][ T10] [ 1976.891434][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1976.891434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.891434][ T10] ipv6_find_idev+0x102/0x170 [ 1976.891434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.891434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.891434][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.891434][ T10] netlink_unicast+0x449/0x710 [ 1976.891434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.891434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.891434][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.891434][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.891434][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.891434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.891434][ T10] [ 1976.893143][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1976.893143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.893143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.893143][ T10] ipv6_find_idev+0x102/0x170 [ 1976.893143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.893143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.893143][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.893143][ T10] netlink_unicast+0x449/0x710 [ 1976.893143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.893143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.893143][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.893143][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.893143][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.893143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.893143][ T10] [ 1986.896290][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1986.896939][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1986.896939][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.896939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.896939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.896939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.896939][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.896939][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.896939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.896939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.896939][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.896939][ T10] netlink_unicast+0x449/0x710 [ 1986.896939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.896939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.896939][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.896939][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.896939][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.896939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.896939][ T10] [ 1986.899247][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1986.899247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.899247][ T10] ipv6_find_idev+0x102/0x170 [ 1986.899247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.899247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.899247][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.899247][ T10] netlink_unicast+0x449/0x710 [ 1986.899247][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.899247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.899247][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.899247][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.899247][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.899247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.899247][ T10] [ 1986.901018][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1986.901018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.901018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.901018][ T10] ipv6_find_idev+0x102/0x170 [ 1986.901018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.901018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.901018][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.901018][ T10] netlink_unicast+0x449/0x710 [ 1986.901018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.901018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.901018][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.901018][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.901018][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.901018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.901018][ T10] [ 1986.902963][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1986.903278][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1986.903278][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.903278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.903278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.903278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.903278][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.903278][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.903278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.903278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.903278][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.903278][ T10] netlink_unicast+0x449/0x710 [ 1986.903278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.903278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.903278][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.903278][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.903278][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.903278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.903278][ T10] [ 1986.905518][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1986.905518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.905518][ T10] ipv6_find_idev+0x102/0x170 [ 1986.905518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.905518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.905518][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.905518][ T10] netlink_unicast+0x449/0x710 [ 1986.905518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.905518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.905518][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.905518][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.905518][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.905518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.905518][ T10] [ 1986.907236][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1986.907236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.907236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.907236][ T10] ipv6_find_idev+0x102/0x170 [ 1986.907236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.907236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.907236][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.907236][ T10] netlink_unicast+0x449/0x710 [ 1986.907236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.907236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.907236][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.907236][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.907236][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.907236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.907236][ T10] [ 1986.909114][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1986.909408][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1986.909408][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.909408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.909408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.909408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.909408][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.909408][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.909408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.909408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.909408][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.909408][ T10] netlink_unicast+0x449/0x710 [ 1986.909408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.909408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.909408][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.909408][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.909408][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.909408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.909408][ T10] [ 1986.911626][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1986.911626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.911626][ T10] ipv6_find_idev+0x102/0x170 [ 1986.911626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.911626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.911626][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.911626][ T10] netlink_unicast+0x449/0x710 [ 1986.911626][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.911626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.911626][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.911626][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.911626][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.911626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.911626][ T10] [ 1986.913317][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1986.913317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.913317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.913317][ T10] ipv6_find_idev+0x102/0x170 [ 1986.913317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.913317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.913317][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.913317][ T10] netlink_unicast+0x449/0x710 [ 1986.913317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.913317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.913317][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.913317][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.913317][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.913317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.913317][ T10] [ 1986.915191][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1986.915515][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1986.915515][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.915515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.915515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.915515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.915515][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.915515][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.915515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.915515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.915515][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.915515][ T10] netlink_unicast+0x449/0x710 [ 1986.915515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.915515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.915515][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.915515][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.915515][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.915515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.915515][ T10] [ 1986.917740][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1986.917740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.917740][ T10] ipv6_find_idev+0x102/0x170 [ 1986.917740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.917740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.917740][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.917740][ T10] netlink_unicast+0x449/0x710 [ 1986.917740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.917740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.917740][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.917740][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.917740][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.917740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.917740][ T10] [ 1986.919465][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1986.919465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.919465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.919465][ T10] ipv6_find_idev+0x102/0x170 [ 1986.919465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.919465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.919465][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.919465][ T10] netlink_unicast+0x449/0x710 [ 1986.919465][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.919465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.919465][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.919465][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.919465][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.919465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.919465][ T10] [ 1986.921768][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1986.922103][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1986.922103][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.922103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.922103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.922103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.922103][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.922103][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.922103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.922103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.922103][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.922103][ T10] netlink_unicast+0x449/0x710 [ 1986.922103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.922103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.922103][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.922103][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.922103][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.922103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.922103][ T10] [ 1986.924301][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1986.924301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.924301][ T10] ipv6_find_idev+0x102/0x170 [ 1986.924301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.924301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.924301][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.924301][ T10] netlink_unicast+0x449/0x710 [ 1986.924301][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.924301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.924301][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.924301][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.924301][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.924301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.924301][ T10] [ 1986.926035][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1986.926035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.926035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.926035][ T10] ipv6_find_idev+0x102/0x170 [ 1986.926035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.926035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.926035][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.926035][ T10] netlink_unicast+0x449/0x710 [ 1986.926035][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.926035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.926035][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.926035][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.926035][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.926035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.926035][ T10] [ 1986.927981][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1986.928339][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1986.928339][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.928339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.928339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.928339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.928339][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.928339][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.928339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.928339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.928339][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.928339][ T10] netlink_unicast+0x449/0x710 [ 1986.928339][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.928339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.928339][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.928339][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.928339][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.928339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.928339][ T10] [ 1986.930648][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1986.930648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.930648][ T10] ipv6_find_idev+0x102/0x170 [ 1986.930648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.930648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.930648][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.930648][ T10] netlink_unicast+0x449/0x710 [ 1986.930648][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.930648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.930648][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.930648][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.930648][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.930648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.930648][ T10] [ 1986.932523][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1986.932523][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.932523][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.932523][ T10] ipv6_find_idev+0x102/0x170 [ 1986.932523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.932523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.932523][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.932523][ T10] netlink_unicast+0x449/0x710 [ 1986.932523][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.932523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.932523][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.932523][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.932523][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.932523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.932523][ T10] [ 1986.934649][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1986.934979][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1986.934979][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.934979][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.934979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.934979][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.934979][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.934979][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.934979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.934979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.934979][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.934979][ T10] netlink_unicast+0x449/0x710 [ 1986.934979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.934979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.934979][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.934979][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.934979][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.934979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.934979][ T10] [ 1986.937436][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1986.937436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.937436][ T10] ipv6_find_idev+0x102/0x170 [ 1986.937436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.937436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.937436][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.937436][ T10] netlink_unicast+0x449/0x710 [ 1986.937436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.937436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.937436][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.937436][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.937436][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.937436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.937436][ T10] [ 1986.939317][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1986.939317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.939317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.939317][ T10] ipv6_find_idev+0x102/0x170 [ 1986.939317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.939317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.939317][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.939317][ T10] netlink_unicast+0x449/0x710 [ 1986.939317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.939317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.939317][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.939317][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.939317][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.939317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.939317][ T10] [ 1986.941522][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1986.941890][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1986.941890][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.941890][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.941890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.941890][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.941890][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.941890][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.941890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.941890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.941890][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.941890][ T10] netlink_unicast+0x449/0x710 [ 1986.941890][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.941890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.941890][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.941890][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.941890][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.941890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.941890][ T10] [ 1986.944324][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1986.944324][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.944324][ T10] ipv6_find_idev+0x102/0x170 [ 1986.944324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.944324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.944324][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.944324][ T10] netlink_unicast+0x449/0x710 [ 1986.944324][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.944324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.944324][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.944324][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.944324][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.944324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.944324][ T10] [ 1986.946310][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1986.946310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.946310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.946310][ T10] ipv6_find_idev+0x102/0x170 [ 1986.946310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.946310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.946310][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.946310][ T10] netlink_unicast+0x449/0x710 [ 1986.946310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.946310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.946310][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.946310][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.946310][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.946310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.946310][ T10] [ 1997.184208][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1997.184877][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1997.184877][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.184877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1997.184877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.184877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1997.184877][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.184877][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.184877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.184877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.184877][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.184877][ T10] netlink_unicast+0x449/0x710 [ 1997.184877][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.184877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.184877][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.184877][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.184877][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.184877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.184877][ T10] [ 1997.187266][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1997.187266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.187266][ T10] ipv6_find_idev+0x102/0x170 [ 1997.187266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.187266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.187266][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.187266][ T10] netlink_unicast+0x449/0x710 [ 1997.187266][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.187266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.187266][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.187266][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.187266][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.187266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.187266][ T10] [ 1997.188972][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 1997.188972][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.188972][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.188972][ T10] ipv6_find_idev+0x102/0x170 [ 1997.188972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.188972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.188972][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.188972][ T10] netlink_unicast+0x449/0x710 [ 1997.188972][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.188972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.188972][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.188972][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.188972][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.188972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.188972][ T10] [ 1997.190881][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1997.191213][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1997.191213][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.191213][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1997.191213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.191213][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1997.191213][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.191213][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.191213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.191213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.191213][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.191213][ T10] netlink_unicast+0x449/0x710 [ 1997.191213][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.191213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.191213][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.191213][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.191213][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.191213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.191213][ T10] [ 1997.193432][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1997.193432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.193432][ T10] ipv6_find_idev+0x102/0x170 [ 1997.193432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.193432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.193432][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.193432][ T10] netlink_unicast+0x449/0x710 [ 1997.193432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.193432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.193432][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.193432][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.193432][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.193432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.193432][ T10] [ 1997.195122][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 1997.195122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.195122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.195122][ T10] ipv6_find_idev+0x102/0x170 [ 1997.195122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.195122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.195122][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.195122][ T10] netlink_unicast+0x449/0x710 [ 1997.195122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.195122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.195122][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.195122][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.195122][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.195122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.195122][ T10] [ 1997.197048][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1997.197362][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1997.197362][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.197362][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1997.197362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.197362][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1997.197362][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.197362][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.197362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.197362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.197362][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.197362][ T10] netlink_unicast+0x449/0x710 [ 1997.197362][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.197362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.197362][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.197362][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.197362][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.197362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.197362][ T10] [ 1997.199579][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1997.199579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.199579][ T10] ipv6_find_idev+0x102/0x170 [ 1997.199579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.199579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.199579][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.199579][ T10] netlink_unicast+0x449/0x710 [ 1997.199579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.199579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.199579][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.199579][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.199579][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.199579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.199579][ T10] [ 1997.201272][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 1997.201272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.201272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.201272][ T10] ipv6_find_idev+0x102/0x170 [ 1997.201272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.201272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.201272][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.201272][ T10] netlink_unicast+0x449/0x710 [ 1997.201272][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.201272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.201272][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.201272][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.201272][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.201272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.201272][ T10] [ 1997.203191][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1997.203482][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1997.203482][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.203482][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1997.203482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.203482][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1997.203482][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.203482][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.203482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.203482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.203482][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.203482][ T10] netlink_unicast+0x449/0x710 [ 1997.203482][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.203482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.203482][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.203482][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.203482][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.203482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.203482][ T10] [ 1997.205698][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1997.205698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.205698][ T10] ipv6_find_idev+0x102/0x170 [ 1997.205698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.205698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.205698][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.205698][ T10] netlink_unicast+0x449/0x710 [ 1997.205698][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.205698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.205698][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.205698][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.205698][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.205698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.205698][ T10] [ 1997.207418][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 1997.207418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.207418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.207418][ T10] ipv6_find_idev+0x102/0x170 [ 1997.207418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.207418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.207418][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.207418][ T10] netlink_unicast+0x449/0x710 [ 1997.207418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.207418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.207418][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.207418][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.207418][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.207418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.207418][ T10] [ 1997.209683][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1997.210318][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1997.210318][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.210318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1997.210318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.210318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1997.210318][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.210318][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.210318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.210318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.210318][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.210318][ T10] netlink_unicast+0x449/0x710 [ 1997.210318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.210318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.210318][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.210318][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.210318][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.210318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.210318][ T10] [ 1997.212527][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1997.212527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.212527][ T10] ipv6_find_idev+0x102/0x170 [ 1997.212527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.212527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.212527][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.212527][ T10] netlink_unicast+0x449/0x710 [ 1997.212527][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.212527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.212527][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.212527][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.212527][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.212527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.212527][ T10] [ 1997.214244][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 1997.214244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.214244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.214244][ T10] ipv6_find_idev+0x102/0x170 [ 1997.214244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.214244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.214244][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.214244][ T10] netlink_unicast+0x449/0x710 [ 1997.214244][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.214244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.214244][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.214244][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.214244][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.214244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.214244][ T10] [ 1997.216155][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1997.216446][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1997.216446][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.216446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1997.216446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.216446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1997.216446][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.216446][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.216446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.216446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.216446][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.216446][ T10] netlink_unicast+0x449/0x710 [ 1997.216446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.216446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.216446][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.216446][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.216446][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.216446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.216446][ T10] [ 1997.218716][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1997.218716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.218716][ T10] ipv6_find_idev+0x102/0x170 [ 1997.218716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.218716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.218716][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.218716][ T10] netlink_unicast+0x449/0x710 [ 1997.218716][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.218716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.218716][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.218716][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.218716][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.218716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.218716][ T10] [ 1997.220533][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 1997.220533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.220533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.220533][ T10] ipv6_find_idev+0x102/0x170 [ 1997.220533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.220533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.220533][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.220533][ T10] netlink_unicast+0x449/0x710 [ 1997.220533][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.220533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.220533][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.220533][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.220533][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.220533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.220533][ T10] [ 1997.222715][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1997.223049][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1997.223049][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.223049][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1997.223049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.223049][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1997.223049][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.223049][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.223049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.223049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.223049][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.223049][ T10] netlink_unicast+0x449/0x710 [ 1997.223049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.223049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.223049][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.223049][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.223049][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.223049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.223049][ T10] [ 1997.225454][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1997.225454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.225454][ T10] ipv6_find_idev+0x102/0x170 [ 1997.225454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.225454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.225454][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.225454][ T10] netlink_unicast+0x449/0x710 [ 1997.225454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.225454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.225454][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.225454][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.225454][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.225454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.225454][ T10] [ 1997.227356][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 1997.227356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.227356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.227356][ T10] ipv6_find_idev+0x102/0x170 [ 1997.227356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.227356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.227356][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.227356][ T10] netlink_unicast+0x449/0x710 [ 1997.227356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.227356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.227356][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.227356][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.227356][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.227356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.227356][ T10] [ 1997.229563][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1997.229909][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1997.229909][ T10] netdev_get_by_index+0x5e/0x80 [ 1997.229909][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1997.229909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1997.229909][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1997.229909][ T10] ipv6_add_addr+0x411/0x2000 [ 1997.229909][ T10] inet6_addr_add+0x30e/0xa40 [ 1997.229909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1997.229909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.229909][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.229909][ T10] netlink_unicast+0x449/0x710 [ 1997.229909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.229909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.229909][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.229909][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.229909][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.229909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.229909][ T10] [ 1997.232286][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1997.232286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1997.232286][ T10] ipv6_find_idev+0x102/0x170 [ 1997.232286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.232286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.232286][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.232286][ T10] netlink_unicast+0x449/0x710 [ 1997.232286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.232286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.232286][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.232286][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.232286][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.232286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.232286][ T10] [ 1997.234217][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 1997.234217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1997.234217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1997.234217][ T10] ipv6_find_idev+0x102/0x170 [ 1997.234217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1997.234217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1997.234217][ T10] netlink_rcv_skb+0x130/0x360 [ 1997.234217][ T10] netlink_unicast+0x449/0x710 [ 1997.234217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1997.234217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1997.234217][ T10] ___sys_sendmsg+0xee/0x170 [ 1997.234217][ T10] __sys_sendmsg+0xcd/0x170 [ 1997.234217][ T10] do_syscall_64+0xc6/0x1e0 [ 1997.234217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1997.234217][ T10] [ 2007.360272][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2007.360634][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2007.360634][ T10] netdev_get_by_index+0x5e/0x80 [ 2007.360634][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2007.360634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2007.360634][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2007.360634][ T10] ipv6_add_addr+0x411/0x2000 [ 2007.360634][ T10] inet6_addr_add+0x30e/0xa40 [ 2007.360634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2007.360634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.360634][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.360634][ T10] netlink_unicast+0x449/0x710 [ 2007.360634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.360634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.360634][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.360634][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.360634][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.360634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.360634][ T10] [ 2007.362781][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2007.362781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2007.362781][ T10] ipv6_find_idev+0x102/0x170 [ 2007.362781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.362781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.362781][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.362781][ T10] netlink_unicast+0x449/0x710 [ 2007.362781][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.362781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.362781][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.362781][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.362781][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.362781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.362781][ T10] [ 2007.364403][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2007.364403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2007.364403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2007.364403][ T10] ipv6_find_idev+0x102/0x170 [ 2007.364403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.364403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.364403][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.364403][ T10] netlink_unicast+0x449/0x710 [ 2007.364403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.364403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.364403][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.364403][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.364403][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.364403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.364403][ T10] [ 2007.366147][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2007.366425][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2007.366425][ T10] netdev_get_by_index+0x5e/0x80 [ 2007.366425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2007.366425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2007.366425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2007.366425][ T10] ipv6_add_addr+0x411/0x2000 [ 2007.366425][ T10] inet6_addr_add+0x30e/0xa40 [ 2007.366425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2007.366425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.366425][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.366425][ T10] netlink_unicast+0x449/0x710 [ 2007.366425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.366425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.366425][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.366425][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.366425][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.366425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.366425][ T10] [ 2007.368431][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2007.368431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2007.368431][ T10] ipv6_find_idev+0x102/0x170 [ 2007.368431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.368431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.368431][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.368431][ T10] netlink_unicast+0x449/0x710 [ 2007.368431][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.368431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.368431][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.368431][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.368431][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.368431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.368431][ T10] [ 2007.370075][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2007.370075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2007.370075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2007.370075][ T10] ipv6_find_idev+0x102/0x170 [ 2007.370075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.370075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.370075][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.370075][ T10] netlink_unicast+0x449/0x710 [ 2007.370075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.370075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.370075][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.370075][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.370075][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.370075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.370075][ T10] [ 2007.371794][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2007.372065][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2007.372065][ T10] netdev_get_by_index+0x5e/0x80 [ 2007.372065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2007.372065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2007.372065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2007.372065][ T10] ipv6_add_addr+0x411/0x2000 [ 2007.372065][ T10] inet6_addr_add+0x30e/0xa40 [ 2007.372065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2007.372065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.372065][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.372065][ T10] netlink_unicast+0x449/0x710 [ 2007.372065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.372065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.372065][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.372065][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.372065][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.372065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.372065][ T10] [ 2007.374163][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2007.374163][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2007.374163][ T10] ipv6_find_idev+0x102/0x170 [ 2007.374163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.374163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.374163][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.374163][ T10] netlink_unicast+0x449/0x710 [ 2007.374163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.374163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.374163][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.374163][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.374163][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.374163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.374163][ T10] [ 2007.375791][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2007.375791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2007.375791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2007.375791][ T10] ipv6_find_idev+0x102/0x170 [ 2007.375791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.375791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.375791][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.375791][ T10] netlink_unicast+0x449/0x710 [ 2007.375791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.375791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.375791][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.375791][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.375791][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.375791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.375791][ T10] [ 2007.377662][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2007.377938][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2007.377938][ T10] netdev_get_by_index+0x5e/0x80 [ 2007.377938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2007.377938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2007.377938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2007.377938][ T10] ipv6_add_addr+0x411/0x2000 [ 2007.377938][ T10] inet6_addr_add+0x30e/0xa40 [ 2007.377938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2007.377938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.377938][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.377938][ T10] netlink_unicast+0x449/0x710 [ 2007.377938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.377938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.377938][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.377938][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.377938][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.377938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.377938][ T10] [ 2007.380289][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2007.380289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2007.380289][ T10] ipv6_find_idev+0x102/0x170 [ 2007.380289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.380289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.380289][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.380289][ T10] netlink_unicast+0x449/0x710 [ 2007.380289][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.380289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.380289][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.380289][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.380289][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.380289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.380289][ T10] [ 2007.382002][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2007.382002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2007.382002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2007.382002][ T10] ipv6_find_idev+0x102/0x170 [ 2007.382002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.382002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.382002][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.382002][ T10] netlink_unicast+0x449/0x710 [ 2007.382002][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.382002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.382002][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.382002][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.382002][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.382002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.382002][ T10] [ 2007.384026][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2007.384362][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2007.384362][ T10] netdev_get_by_index+0x5e/0x80 [ 2007.384362][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2007.384362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2007.384362][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2007.384362][ T10] ipv6_add_addr+0x411/0x2000 [ 2007.384362][ T10] inet6_addr_add+0x30e/0xa40 [ 2007.384362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2007.384362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.384362][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.384362][ T10] netlink_unicast+0x449/0x710 [ 2007.384362][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.384362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.384362][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.384362][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.384362][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.384362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.384362][ T10] [ 2007.386470][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2007.386470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2007.386470][ T10] ipv6_find_idev+0x102/0x170 [ 2007.386470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.386470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.386470][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.386470][ T10] netlink_unicast+0x449/0x710 [ 2007.386470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.386470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.386470][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.386470][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.386470][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.386470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.386470][ T10] [ 2007.388117][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2007.388117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2007.388117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2007.388117][ T10] ipv6_find_idev+0x102/0x170 [ 2007.388117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.388117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.388117][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.388117][ T10] netlink_unicast+0x449/0x710 [ 2007.388117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.388117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.388117][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.388117][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.388117][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.388117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.388117][ T10] [ 2007.390026][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2007.390367][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2007.390367][ T10] netdev_get_by_index+0x5e/0x80 [ 2007.390367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2007.390367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2007.390367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2007.390367][ T10] ipv6_add_addr+0x411/0x2000 [ 2007.390367][ T10] inet6_addr_add+0x30e/0xa40 [ 2007.390367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2007.390367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.390367][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.390367][ T10] netlink_unicast+0x449/0x710 [ 2007.390367][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.390367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.390367][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.390367][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.390367][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.390367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.390367][ T10] [ 2007.392780][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2007.392780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2007.392780][ T10] ipv6_find_idev+0x102/0x170 [ 2007.392780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.392780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.392780][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.392780][ T10] netlink_unicast+0x449/0x710 [ 2007.392780][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.392780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.392780][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.392780][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.392780][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.392780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.392780][ T10] [ 2007.394587][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2007.394587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2007.394587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2007.394587][ T10] ipv6_find_idev+0x102/0x170 [ 2007.394587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.394587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.394587][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.394587][ T10] netlink_unicast+0x449/0x710 [ 2007.394587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.394587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.394587][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.394587][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.394587][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.394587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.394587][ T10] [ 2007.396570][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2007.396916][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2007.396916][ T10] netdev_get_by_index+0x5e/0x80 [ 2007.396916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2007.396916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2007.396916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2007.396916][ T10] ipv6_add_addr+0x411/0x2000 [ 2007.396916][ T10] inet6_addr_add+0x30e/0xa40 [ 2007.396916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2007.396916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.396916][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.396916][ T10] netlink_unicast+0x449/0x710 [ 2007.396916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.396916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.396916][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.396916][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.396916][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.396916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.396916][ T10] [ 2007.399314][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2007.399314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2007.399314][ T10] ipv6_find_idev+0x102/0x170 [ 2007.399314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.399314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.399314][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.399314][ T10] netlink_unicast+0x449/0x710 [ 2007.399314][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.399314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.399314][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.399314][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.399314][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.399314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.399314][ T10] [ 2007.401025][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2007.401025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2007.401025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2007.401025][ T10] ipv6_find_idev+0x102/0x170 [ 2007.401025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.401025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.401025][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.401025][ T10] netlink_unicast+0x449/0x710 [ 2007.401025][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.401025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.401025][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.401025][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.401025][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.401025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.401025][ T10] [ 2007.402921][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2007.403251][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2007.403251][ T10] netdev_get_by_index+0x5e/0x80 [ 2007.403251][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2007.403251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2007.403251][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2007.403251][ T10] ipv6_add_addr+0x411/0x2000 [ 2007.403251][ T10] inet6_addr_add+0x30e/0xa40 [ 2007.403251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2007.403251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.403251][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.403251][ T10] netlink_unicast+0x449/0x710 [ 2007.403251][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.403251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.403251][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.403251][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.403251][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.403251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.403251][ T10] [ 2007.405455][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2007.405455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2007.405455][ T10] ipv6_find_idev+0x102/0x170 [ 2007.405455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.405455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.405455][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.405455][ T10] netlink_unicast+0x449/0x710 [ 2007.405455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.405455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.405455][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.405455][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.405455][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.405455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.405455][ T10] [ 2007.407002][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2007.407002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2007.407002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2007.407002][ T10] ipv6_find_idev+0x102/0x170 [ 2007.407002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2007.407002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2007.407002][ T10] netlink_rcv_skb+0x130/0x360 [ 2007.407002][ T10] netlink_unicast+0x449/0x710 [ 2007.407002][ T10] netlink_sendmsg+0x723/0xbe0 [ 2007.407002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2007.407002][ T10] ___sys_sendmsg+0xee/0x170 [ 2007.407002][ T10] __sys_sendmsg+0xcd/0x170 [ 2007.407002][ T10] do_syscall_64+0xc6/0x1e0 [ 2007.407002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2007.407002][ T10] [ 2017.544254][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2017.544660][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2017.544660][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.544660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.544660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.544660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.544660][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.544660][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.544660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.544660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.544660][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.544660][ T10] netlink_unicast+0x449/0x710 [ 2017.544660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.544660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.544660][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.544660][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.544660][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.544660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.544660][ T10] [ 2017.546991][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2017.546991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.546991][ T10] ipv6_find_idev+0x102/0x170 [ 2017.546991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.546991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.546991][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.546991][ T10] netlink_unicast+0x449/0x710 [ 2017.546991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.546991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.546991][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.546991][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.546991][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.546991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.546991][ T10] [ 2017.548789][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2017.548789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.548789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.548789][ T10] ipv6_find_idev+0x102/0x170 [ 2017.548789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.548789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.548789][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.548789][ T10] netlink_unicast+0x449/0x710 [ 2017.548789][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.548789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.548789][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.548789][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.548789][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.548789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.548789][ T10] [ 2017.550780][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2017.551094][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2017.551094][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.551094][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.551094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.551094][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.551094][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.551094][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.551094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.551094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.551094][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.551094][ T10] netlink_unicast+0x449/0x710 [ 2017.551094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.551094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.551094][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.551094][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.551094][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.551094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.551094][ T10] [ 2017.553420][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2017.553420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.553420][ T10] ipv6_find_idev+0x102/0x170 [ 2017.553420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.553420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.553420][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.553420][ T10] netlink_unicast+0x449/0x710 [ 2017.553420][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.553420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.553420][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.553420][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.553420][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.553420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.553420][ T10] [ 2017.555226][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2017.555226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.555226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.555226][ T10] ipv6_find_idev+0x102/0x170 [ 2017.555226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.555226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.555226][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.555226][ T10] netlink_unicast+0x449/0x710 [ 2017.555226][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.555226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.555226][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.555226][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.555226][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.555226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.555226][ T10] [ 2017.557434][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2017.557749][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2017.557749][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.557749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.557749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.557749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.557749][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.557749][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.557749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.557749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.557749][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.557749][ T10] netlink_unicast+0x449/0x710 [ 2017.557749][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.557749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.557749][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.557749][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.557749][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.557749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.557749][ T10] [ 2017.560248][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2017.560248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.560248][ T10] ipv6_find_idev+0x102/0x170 [ 2017.560248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.560248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.560248][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.560248][ T10] netlink_unicast+0x449/0x710 [ 2017.560248][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.560248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.560248][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.560248][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.560248][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.560248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.560248][ T10] [ 2017.562240][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2017.562240][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.562240][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.562240][ T10] ipv6_find_idev+0x102/0x170 [ 2017.562240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.562240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.562240][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.562240][ T10] netlink_unicast+0x449/0x710 [ 2017.562240][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.562240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.562240][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.562240][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.562240][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.562240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.562240][ T10] [ 2017.564350][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2017.564782][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2017.564782][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.564782][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.564782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.564782][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.564782][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.564782][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.564782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.564782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.564782][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.564782][ T10] netlink_unicast+0x449/0x710 [ 2017.564782][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.564782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.564782][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.564782][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.564782][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.564782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.564782][ T10] [ 2017.567348][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2017.567348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.567348][ T10] ipv6_find_idev+0x102/0x170 [ 2017.567348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.567348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.567348][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.567348][ T10] netlink_unicast+0x449/0x710 [ 2017.567348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.567348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.567348][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.567348][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.567348][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.567348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.567348][ T10] [ 2017.569359][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2017.569359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.569359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.569359][ T10] ipv6_find_idev+0x102/0x170 [ 2017.569359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.569359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.569359][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.569359][ T10] netlink_unicast+0x449/0x710 [ 2017.569359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.569359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.569359][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.569359][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.569359][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.569359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.569359][ T10] [ 2017.571608][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2017.571917][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2017.571917][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.571917][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.571917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.571917][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.571917][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.571917][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.571917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.571917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.571917][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.571917][ T10] netlink_unicast+0x449/0x710 [ 2017.571917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.571917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.571917][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.571917][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.571917][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.571917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.571917][ T10] [ 2017.574254][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2017.574254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.574254][ T10] ipv6_find_idev+0x102/0x170 [ 2017.574254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.574254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.574254][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.574254][ T10] netlink_unicast+0x449/0x710 [ 2017.574254][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.574254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.574254][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.574254][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.574254][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.574254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.574254][ T10] [ 2017.576126][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2017.576126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.576126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.576126][ T10] ipv6_find_idev+0x102/0x170 [ 2017.576126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.576126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.576126][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.576126][ T10] netlink_unicast+0x449/0x710 [ 2017.576126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.576126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.576126][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.576126][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.576126][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.576126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.576126][ T10] [ 2017.578648][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2017.578993][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2017.578993][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.578993][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.578993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.578993][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.578993][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.578993][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.578993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.578993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.578993][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.578993][ T10] netlink_unicast+0x449/0x710 [ 2017.578993][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.578993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.578993][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.578993][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.578993][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.578993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.578993][ T10] [ 2017.581259][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2017.581259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.581259][ T10] ipv6_find_idev+0x102/0x170 [ 2017.581259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.581259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.581259][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.581259][ T10] netlink_unicast+0x449/0x710 [ 2017.581259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.581259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.581259][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.581259][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.581259][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.581259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.581259][ T10] [ 2017.583113][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2017.583113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.583113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.583113][ T10] ipv6_find_idev+0x102/0x170 [ 2017.583113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.583113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.583113][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.583113][ T10] netlink_unicast+0x449/0x710 [ 2017.583113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.583113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.583113][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.583113][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.583113][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.583113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.583113][ T10] [ 2017.585287][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2017.585639][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2017.585639][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.585639][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.585639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.585639][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.585639][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.585639][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.585639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.585639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.585639][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.585639][ T10] netlink_unicast+0x449/0x710 [ 2017.585639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.585639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.585639][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.585639][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.585639][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.585639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.585639][ T10] [ 2017.587994][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2017.587994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.587994][ T10] ipv6_find_idev+0x102/0x170 [ 2017.587994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.587994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.587994][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.587994][ T10] netlink_unicast+0x449/0x710 [ 2017.587994][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.587994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.587994][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.587994][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.587994][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.587994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.587994][ T10] [ 2017.589777][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2017.589777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.589777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.589777][ T10] ipv6_find_idev+0x102/0x170 [ 2017.589777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.589777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.589777][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.589777][ T10] netlink_unicast+0x449/0x710 [ 2017.589777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.589777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.589777][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.589777][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.589777][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.589777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.589777][ T10] [ 2017.591764][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2017.592111][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2017.592111][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.592111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.592111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.592111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.592111][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.592111][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.592111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.592111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.592111][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.592111][ T10] netlink_unicast+0x449/0x710 [ 2017.592111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.592111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.592111][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.592111][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.592111][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.592111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.592111][ T10] [ 2017.594416][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2017.594416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.594416][ T10] ipv6_find_idev+0x102/0x170 [ 2017.594416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.594416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.594416][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.594416][ T10] netlink_unicast+0x449/0x710 [ 2017.594416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.594416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.594416][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.594416][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.594416][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.594416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.594416][ T10] [ 2017.596196][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2017.596196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.596196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.596196][ T10] ipv6_find_idev+0x102/0x170 [ 2017.596196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.596196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.596196][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.596196][ T10] netlink_unicast+0x449/0x710 [ 2017.596196][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.596196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.596196][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.596196][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.596196][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.596196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.596196][ T10] [ 2027.712292][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2027.712758][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2027.712758][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.712758][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.712758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.712758][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.712758][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.712758][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.712758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.712758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.712758][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.712758][ T10] netlink_unicast+0x449/0x710 [ 2027.712758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.712758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.712758][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.712758][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.712758][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.712758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.712758][ T10] [ 2027.714723][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2027.714723][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.714723][ T10] ipv6_find_idev+0x102/0x170 [ 2027.714723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.714723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.714723][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.714723][ T10] netlink_unicast+0x449/0x710 [ 2027.714723][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.714723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.714723][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.714723][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.714723][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.714723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.714723][ T10] [ 2027.716289][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2027.716289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.716289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.716289][ T10] ipv6_find_idev+0x102/0x170 [ 2027.716289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.716289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.716289][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.716289][ T10] netlink_unicast+0x449/0x710 [ 2027.716289][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.716289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.716289][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.716289][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.716289][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.716289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.716289][ T10] [ 2027.717956][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2027.718247][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2027.718247][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.718247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.718247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.718247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.718247][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.718247][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.718247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.718247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.718247][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.718247][ T10] netlink_unicast+0x449/0x710 [ 2027.718247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.718247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.718247][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.718247][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.718247][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.718247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.718247][ T10] [ 2027.720191][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2027.720191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.720191][ T10] ipv6_find_idev+0x102/0x170 [ 2027.720191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.720191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.720191][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.720191][ T10] netlink_unicast+0x449/0x710 [ 2027.720191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.720191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.720191][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.720191][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.720191][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.720191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.720191][ T10] [ 2027.721729][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2027.721729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.721729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.721729][ T10] ipv6_find_idev+0x102/0x170 [ 2027.721729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.721729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.721729][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.721729][ T10] netlink_unicast+0x449/0x710 [ 2027.721729][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.721729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.721729][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.721729][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.721729][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.721729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.721729][ T10] [ 2027.723344][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2027.723588][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2027.723588][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.723588][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.723588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.723588][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.723588][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.723588][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.723588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.723588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.723588][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.723588][ T10] netlink_unicast+0x449/0x710 [ 2027.723588][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.723588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.723588][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.723588][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.723588][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.723588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.723588][ T10] [ 2027.725529][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2027.725529][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.725529][ T10] ipv6_find_idev+0x102/0x170 [ 2027.725529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.725529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.725529][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.725529][ T10] netlink_unicast+0x449/0x710 [ 2027.725529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.725529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.725529][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.725529][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.725529][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.725529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.725529][ T10] [ 2027.726977][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2027.726977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.726977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.726977][ T10] ipv6_find_idev+0x102/0x170 [ 2027.726977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.726977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.726977][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.726977][ T10] netlink_unicast+0x449/0x710 [ 2027.726977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.726977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.726977][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.726977][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.726977][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.726977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.726977][ T10] [ 2027.728919][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2027.729527][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2027.729527][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.729527][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.729527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.729527][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.729527][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.729527][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.729527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.729527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.729527][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.729527][ T10] netlink_unicast+0x449/0x710 [ 2027.729527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.729527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.729527][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.729527][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.729527][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.729527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.729527][ T10] [ 2027.731519][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2027.731519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.731519][ T10] ipv6_find_idev+0x102/0x170 [ 2027.731519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.731519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.731519][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.731519][ T10] netlink_unicast+0x449/0x710 [ 2027.731519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.731519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.731519][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.731519][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.731519][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.731519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.731519][ T10] [ 2027.733106][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2027.733106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.733106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.733106][ T10] ipv6_find_idev+0x102/0x170 [ 2027.733106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.733106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.733106][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.733106][ T10] netlink_unicast+0x449/0x710 [ 2027.733106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.733106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.733106][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.733106][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.733106][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.733106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.733106][ T10] [ 2027.734777][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2027.735072][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2027.735072][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.735072][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.735072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.735072][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.735072][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.735072][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.735072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.735072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.735072][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.735072][ T10] netlink_unicast+0x449/0x710 [ 2027.735072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.735072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.735072][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.735072][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.735072][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.735072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.735072][ T10] [ 2027.737032][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2027.737032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.737032][ T10] ipv6_find_idev+0x102/0x170 [ 2027.737032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.737032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.737032][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.737032][ T10] netlink_unicast+0x449/0x710 [ 2027.737032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.737032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.737032][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.737032][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.737032][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.737032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.737032][ T10] [ 2027.738532][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2027.738532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.738532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.738532][ T10] ipv6_find_idev+0x102/0x170 [ 2027.738532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.738532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.738532][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.738532][ T10] netlink_unicast+0x449/0x710 [ 2027.738532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.738532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.738532][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.738532][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.738532][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.738532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.738532][ T10] [ 2027.740213][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2027.740474][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2027.740474][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.740474][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.740474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.740474][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.740474][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.740474][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.740474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.740474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.740474][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.740474][ T10] netlink_unicast+0x449/0x710 [ 2027.740474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.740474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.740474][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.740474][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.740474][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.740474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.740474][ T10] [ 2027.742435][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2027.742435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.742435][ T10] ipv6_find_idev+0x102/0x170 [ 2027.742435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.742435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.742435][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.742435][ T10] netlink_unicast+0x449/0x710 [ 2027.742435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.742435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.742435][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.742435][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.742435][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.742435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.742435][ T10] [ 2027.743978][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2027.743978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.743978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.743978][ T10] ipv6_find_idev+0x102/0x170 [ 2027.743978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.743978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.743978][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.743978][ T10] netlink_unicast+0x449/0x710 [ 2027.743978][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.743978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.743978][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.743978][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.743978][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.743978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.743978][ T10] [ 2027.745911][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2027.746235][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2027.746235][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.746235][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.746235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.746235][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.746235][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.746235][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.746235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.746235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.746235][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.746235][ T10] netlink_unicast+0x449/0x710 [ 2027.746235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.746235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.746235][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.746235][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.746235][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.746235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.746235][ T10] [ 2027.748480][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2027.748480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.748480][ T10] ipv6_find_idev+0x102/0x170 [ 2027.748480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.748480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.748480][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.748480][ T10] netlink_unicast+0x449/0x710 [ 2027.748480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.748480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.748480][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.748480][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.748480][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.748480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.748480][ T10] [ 2027.750184][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2027.750184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.750184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.750184][ T10] ipv6_find_idev+0x102/0x170 [ 2027.750184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.750184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.750184][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.750184][ T10] netlink_unicast+0x449/0x710 [ 2027.750184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.750184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.750184][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.750184][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.750184][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.750184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.750184][ T10] [ 2027.752157][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2027.752438][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2027.752438][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.752438][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.752438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.752438][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.752438][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.752438][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.752438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.752438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.752438][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.752438][ T10] netlink_unicast+0x449/0x710 [ 2027.752438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.752438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.752438][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.752438][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.752438][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.752438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.752438][ T10] [ 2027.754764][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2027.754764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.754764][ T10] ipv6_find_idev+0x102/0x170 [ 2027.754764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.754764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.754764][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.754764][ T10] netlink_unicast+0x449/0x710 [ 2027.754764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.754764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.754764][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.754764][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.754764][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.754764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.754764][ T10] [ 2027.756444][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2027.756444][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.756444][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.756444][ T10] ipv6_find_idev+0x102/0x170 [ 2027.756444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.756444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.756444][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.756444][ T10] netlink_unicast+0x449/0x710 [ 2027.756444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.756444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.756444][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.756444][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.756444][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.756444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.756444][ T10] [ 2038.008284][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2038.008772][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2038.008772][ T10] netdev_get_by_index+0x5e/0x80 [ 2038.008772][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2038.008772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2038.008772][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2038.008772][ T10] ipv6_add_addr+0x411/0x2000 [ 2038.008772][ T10] inet6_addr_add+0x30e/0xa40 [ 2038.008772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2038.008772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.008772][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.008772][ T10] netlink_unicast+0x449/0x710 [ 2038.008772][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.008772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.008772][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.008772][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.008772][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.008772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.008772][ T10] [ 2038.010709][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2038.010709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2038.010709][ T10] ipv6_find_idev+0x102/0x170 [ 2038.010709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.010709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.010709][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.010709][ T10] netlink_unicast+0x449/0x710 [ 2038.010709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.010709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.010709][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.010709][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.010709][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.010709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.010709][ T10] [ 2038.012215][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2038.012215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2038.012215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2038.012215][ T10] ipv6_find_idev+0x102/0x170 [ 2038.012215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.012215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.012215][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.012215][ T10] netlink_unicast+0x449/0x710 [ 2038.012215][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.012215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.012215][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.012215][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.012215][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.012215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.012215][ T10] [ 2038.013914][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2038.014222][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2038.014222][ T10] netdev_get_by_index+0x5e/0x80 [ 2038.014222][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2038.014222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2038.014222][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2038.014222][ T10] ipv6_add_addr+0x411/0x2000 [ 2038.014222][ T10] inet6_addr_add+0x30e/0xa40 [ 2038.014222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2038.014222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.014222][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.014222][ T10] netlink_unicast+0x449/0x710 [ 2038.014222][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.014222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.014222][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.014222][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.014222][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.014222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.014222][ T10] [ 2038.016243][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2038.016243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2038.016243][ T10] ipv6_find_idev+0x102/0x170 [ 2038.016243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.016243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.016243][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.016243][ T10] netlink_unicast+0x449/0x710 [ 2038.016243][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.016243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.016243][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.016243][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.016243][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.016243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.016243][ T10] [ 2038.017760][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2038.017760][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2038.017760][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2038.017760][ T10] ipv6_find_idev+0x102/0x170 [ 2038.017760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.017760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.017760][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.017760][ T10] netlink_unicast+0x449/0x710 [ 2038.017760][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.017760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.017760][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.017760][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.017760][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.017760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.017760][ T10] [ 2038.019509][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2038.019775][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2038.019775][ T10] netdev_get_by_index+0x5e/0x80 [ 2038.019775][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2038.019775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2038.019775][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2038.019775][ T10] ipv6_add_addr+0x411/0x2000 [ 2038.019775][ T10] inet6_addr_add+0x30e/0xa40 [ 2038.019775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2038.019775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.019775][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.019775][ T10] netlink_unicast+0x449/0x710 [ 2038.019775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.019775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.019775][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.019775][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.019775][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.019775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.019775][ T10] [ 2038.021733][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2038.021733][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2038.021733][ T10] ipv6_find_idev+0x102/0x170 [ 2038.021733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.021733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.021733][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.021733][ T10] netlink_unicast+0x449/0x710 [ 2038.021733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.021733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.021733][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.021733][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.021733][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.021733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.021733][ T10] [ 2038.023257][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2038.023257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2038.023257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2038.023257][ T10] ipv6_find_idev+0x102/0x170 [ 2038.023257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.023257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.023257][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.023257][ T10] netlink_unicast+0x449/0x710 [ 2038.023257][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.023257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.023257][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.023257][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.023257][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.023257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.023257][ T10] [ 2038.025327][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2038.025589][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2038.025589][ T10] netdev_get_by_index+0x5e/0x80 [ 2038.025589][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2038.025589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2038.025589][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2038.025589][ T10] ipv6_add_addr+0x411/0x2000 [ 2038.025589][ T10] inet6_addr_add+0x30e/0xa40 [ 2038.025589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2038.025589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.025589][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.025589][ T10] netlink_unicast+0x449/0x710 [ 2038.025589][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.025589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.025589][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.025589][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.025589][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.025589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.025589][ T10] [ 2038.027547][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2038.027547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2038.027547][ T10] ipv6_find_idev+0x102/0x170 [ 2038.027547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.027547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.027547][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.027547][ T10] netlink_unicast+0x449/0x710 [ 2038.027547][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.027547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.027547][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.027547][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.027547][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.027547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.027547][ T10] [ 2038.029153][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2038.029153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2038.029153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2038.029153][ T10] ipv6_find_idev+0x102/0x170 [ 2038.029153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.029153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.029153][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.029153][ T10] netlink_unicast+0x449/0x710 [ 2038.029153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.029153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.029153][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.029153][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.029153][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.029153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.029153][ T10] [ 2038.030872][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2038.031142][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2038.031142][ T10] netdev_get_by_index+0x5e/0x80 [ 2038.031142][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2038.031142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2038.031142][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2038.031142][ T10] ipv6_add_addr+0x411/0x2000 [ 2038.031142][ T10] inet6_addr_add+0x30e/0xa40 [ 2038.031142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2038.031142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.031142][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.031142][ T10] netlink_unicast+0x449/0x710 [ 2038.031142][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.031142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.031142][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.031142][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.031142][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.031142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.031142][ T10] [ 2038.033193][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2038.033193][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2038.033193][ T10] ipv6_find_idev+0x102/0x170 [ 2038.033193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.033193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.033193][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.033193][ T10] netlink_unicast+0x449/0x710 [ 2038.033193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.033193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.033193][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.033193][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.033193][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.033193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.033193][ T10] [ 2038.034753][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2038.034753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2038.034753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2038.034753][ T10] ipv6_find_idev+0x102/0x170 [ 2038.034753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.034753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.034753][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.034753][ T10] netlink_unicast+0x449/0x710 [ 2038.034753][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.034753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.034753][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.034753][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.034753][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.034753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.034753][ T10] [ 2038.036502][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2038.036780][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2038.036780][ T10] netdev_get_by_index+0x5e/0x80 [ 2038.036780][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2038.036780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2038.036780][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2038.036780][ T10] ipv6_add_addr+0x411/0x2000 [ 2038.036780][ T10] inet6_addr_add+0x30e/0xa40 [ 2038.036780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2038.036780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.036780][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.036780][ T10] netlink_unicast+0x449/0x710 [ 2038.036780][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.036780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.036780][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.036780][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.036780][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.036780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.036780][ T10] [ 2038.038907][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2038.038907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2038.038907][ T10] ipv6_find_idev+0x102/0x170 [ 2038.038907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.038907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.038907][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.038907][ T10] netlink_unicast+0x449/0x710 [ 2038.038907][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.038907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.038907][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.038907][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.038907][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.038907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.038907][ T10] [ 2038.040666][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2038.040666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2038.040666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2038.040666][ T10] ipv6_find_idev+0x102/0x170 [ 2038.040666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.040666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.040666][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.040666][ T10] netlink_unicast+0x449/0x710 [ 2038.040666][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.040666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.040666][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.040666][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.040666][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.040666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.040666][ T10] [ 2038.042517][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2038.042777][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2038.042777][ T10] netdev_get_by_index+0x5e/0x80 [ 2038.042777][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2038.042777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2038.042777][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2038.042777][ T10] ipv6_add_addr+0x411/0x2000 [ 2038.042777][ T10] inet6_addr_add+0x30e/0xa40 [ 2038.042777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2038.042777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.042777][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.042777][ T10] netlink_unicast+0x449/0x710 [ 2038.042777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.042777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.042777][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.042777][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.042777][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.042777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.042777][ T10] [ 2038.044939][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2038.044939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2038.044939][ T10] ipv6_find_idev+0x102/0x170 [ 2038.044939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.044939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.044939][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.044939][ T10] netlink_unicast+0x449/0x710 [ 2038.044939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.044939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.044939][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.044939][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.044939][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.044939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.044939][ T10] [ 2038.046614][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2038.046614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2038.046614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2038.046614][ T10] ipv6_find_idev+0x102/0x170 [ 2038.046614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.046614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.046614][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.046614][ T10] netlink_unicast+0x449/0x710 [ 2038.046614][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.046614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.046614][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.046614][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.046614][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.046614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.046614][ T10] [ 2038.048456][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2038.048764][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2038.048764][ T10] netdev_get_by_index+0x5e/0x80 [ 2038.048764][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2038.048764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2038.048764][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2038.048764][ T10] ipv6_add_addr+0x411/0x2000 [ 2038.048764][ T10] inet6_addr_add+0x30e/0xa40 [ 2038.048764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2038.048764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.048764][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.048764][ T10] netlink_unicast+0x449/0x710 [ 2038.048764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.048764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.048764][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.048764][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.048764][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.048764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.048764][ T10] [ 2038.050972][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2038.050972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2038.050972][ T10] ipv6_find_idev+0x102/0x170 [ 2038.050972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.050972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.050972][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.050972][ T10] netlink_unicast+0x449/0x710 [ 2038.050972][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.050972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.050972][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.050972][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.050972][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.050972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.050972][ T10] [ 2038.052672][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2038.052672][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2038.052672][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2038.052672][ T10] ipv6_find_idev+0x102/0x170 [ 2038.052672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2038.052672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2038.052672][ T10] netlink_rcv_skb+0x130/0x360 [ 2038.052672][ T10] netlink_unicast+0x449/0x710 [ 2038.052672][ T10] netlink_sendmsg+0x723/0xbe0 [ 2038.052672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2038.052672][ T10] ___sys_sendmsg+0xee/0x170 [ 2038.052672][ T10] __sys_sendmsg+0xcd/0x170 [ 2038.052672][ T10] do_syscall_64+0xc6/0x1e0 [ 2038.052672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2038.052672][ T10] [ 2048.088126][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2048.088470][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2048.088470][ T10] netdev_get_by_index+0x5e/0x80 [ 2048.088470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2048.088470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2048.088470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2048.088470][ T10] ipv6_add_addr+0x411/0x2000 [ 2048.088470][ T10] inet6_addr_add+0x30e/0xa40 [ 2048.088470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2048.088470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.088470][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.088470][ T10] netlink_unicast+0x449/0x710 [ 2048.088470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.088470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.088470][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.088470][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.088470][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.088470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.088470][ T10] [ 2048.090508][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2048.090508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2048.090508][ T10] ipv6_find_idev+0x102/0x170 [ 2048.090508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.090508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.090508][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.090508][ T10] netlink_unicast+0x449/0x710 [ 2048.090508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.090508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.090508][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.090508][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.090508][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.090508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.090508][ T10] [ 2048.092058][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2048.092058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2048.092058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2048.092058][ T10] ipv6_find_idev+0x102/0x170 [ 2048.092058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.092058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.092058][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.092058][ T10] netlink_unicast+0x449/0x710 [ 2048.092058][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.092058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.092058][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.092058][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.092058][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.092058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.092058][ T10] [ 2048.093783][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2048.094068][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2048.094068][ T10] netdev_get_by_index+0x5e/0x80 [ 2048.094068][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2048.094068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2048.094068][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2048.094068][ T10] ipv6_add_addr+0x411/0x2000 [ 2048.094068][ T10] inet6_addr_add+0x30e/0xa40 [ 2048.094068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2048.094068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.094068][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.094068][ T10] netlink_unicast+0x449/0x710 [ 2048.094068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.094068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.094068][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.094068][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.094068][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.094068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.094068][ T10] [ 2048.096098][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2048.096098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2048.096098][ T10] ipv6_find_idev+0x102/0x170 [ 2048.096098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.096098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.096098][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.096098][ T10] netlink_unicast+0x449/0x710 [ 2048.096098][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.096098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.096098][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.096098][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.096098][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.096098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.096098][ T10] [ 2048.097664][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2048.097664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2048.097664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2048.097664][ T10] ipv6_find_idev+0x102/0x170 [ 2048.097664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.097664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.097664][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.097664][ T10] netlink_unicast+0x449/0x710 [ 2048.097664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.097664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.097664][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.097664][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.097664][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.097664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.097664][ T10] [ 2048.099394][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2048.099661][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2048.099661][ T10] netdev_get_by_index+0x5e/0x80 [ 2048.099661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2048.099661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2048.099661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2048.099661][ T10] ipv6_add_addr+0x411/0x2000 [ 2048.099661][ T10] inet6_addr_add+0x30e/0xa40 [ 2048.099661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2048.099661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.099661][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.099661][ T10] netlink_unicast+0x449/0x710 [ 2048.099661][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.099661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.099661][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.099661][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.099661][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.099661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.099661][ T10] [ 2048.101662][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2048.101662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2048.101662][ T10] ipv6_find_idev+0x102/0x170 [ 2048.101662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.101662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.101662][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.101662][ T10] netlink_unicast+0x449/0x710 [ 2048.101662][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.101662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.101662][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.101662][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.101662][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.101662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.101662][ T10] [ 2048.103203][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2048.103203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2048.103203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2048.103203][ T10] ipv6_find_idev+0x102/0x170 [ 2048.103203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.103203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.103203][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.103203][ T10] netlink_unicast+0x449/0x710 [ 2048.103203][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.103203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.103203][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.103203][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.103203][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.103203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.103203][ T10] [ 2048.104906][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2048.105633][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2048.105633][ T10] netdev_get_by_index+0x5e/0x80 [ 2048.105633][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2048.105633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2048.105633][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2048.105633][ T10] ipv6_add_addr+0x411/0x2000 [ 2048.105633][ T10] inet6_addr_add+0x30e/0xa40 [ 2048.105633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2048.105633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.105633][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.105633][ T10] netlink_unicast+0x449/0x710 [ 2048.105633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.105633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.105633][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.105633][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.105633][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.105633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.105633][ T10] [ 2048.107622][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2048.107622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2048.107622][ T10] ipv6_find_idev+0x102/0x170 [ 2048.107622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.107622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.107622][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.107622][ T10] netlink_unicast+0x449/0x710 [ 2048.107622][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.107622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.107622][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.107622][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.107622][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.107622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.107622][ T10] [ 2048.109169][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2048.109169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2048.109169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2048.109169][ T10] ipv6_find_idev+0x102/0x170 [ 2048.109169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.109169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.109169][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.109169][ T10] netlink_unicast+0x449/0x710 [ 2048.109169][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.109169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.109169][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.109169][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.109169][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.109169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.109169][ T10] [ 2048.110920][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2048.111243][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2048.111243][ T10] netdev_get_by_index+0x5e/0x80 [ 2048.111243][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2048.111243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2048.111243][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2048.111243][ T10] ipv6_add_addr+0x411/0x2000 [ 2048.111243][ T10] inet6_addr_add+0x30e/0xa40 [ 2048.111243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2048.111243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.111243][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.111243][ T10] netlink_unicast+0x449/0x710 [ 2048.111243][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.111243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.111243][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.111243][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.111243][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.111243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.111243][ T10] [ 2048.113247][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2048.113247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2048.113247][ T10] ipv6_find_idev+0x102/0x170 [ 2048.113247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.113247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.113247][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.113247][ T10] netlink_unicast+0x449/0x710 [ 2048.113247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.113247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.113247][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.113247][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.113247][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.113247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.113247][ T10] [ 2048.114796][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2048.114796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2048.114796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2048.114796][ T10] ipv6_find_idev+0x102/0x170 [ 2048.114796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.114796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.114796][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.114796][ T10] netlink_unicast+0x449/0x710 [ 2048.114796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.114796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.114796][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.114796][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.114796][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.114796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.114796][ T10] [ 2048.116551][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2048.116817][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2048.116817][ T10] netdev_get_by_index+0x5e/0x80 [ 2048.116817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2048.116817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2048.116817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2048.116817][ T10] ipv6_add_addr+0x411/0x2000 [ 2048.116817][ T10] inet6_addr_add+0x30e/0xa40 [ 2048.116817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2048.116817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.116817][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.116817][ T10] netlink_unicast+0x449/0x710 [ 2048.116817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.116817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.116817][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.116817][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.116817][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.116817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.116817][ T10] [ 2048.118820][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2048.118820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2048.118820][ T10] ipv6_find_idev+0x102/0x170 [ 2048.118820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.118820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.118820][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.118820][ T10] netlink_unicast+0x449/0x710 [ 2048.118820][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.118820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.118820][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.118820][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.118820][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.118820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.118820][ T10] [ 2048.120426][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2048.120426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2048.120426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2048.120426][ T10] ipv6_find_idev+0x102/0x170 [ 2048.120426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.120426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.120426][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.120426][ T10] netlink_unicast+0x449/0x710 [ 2048.120426][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.120426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.120426][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.120426][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.120426][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.120426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.120426][ T10] [ 2048.122343][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2048.122676][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2048.122676][ T10] netdev_get_by_index+0x5e/0x80 [ 2048.122676][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2048.122676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2048.122676][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2048.122676][ T10] ipv6_add_addr+0x411/0x2000 [ 2048.122676][ T10] inet6_addr_add+0x30e/0xa40 [ 2048.122676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2048.122676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.122676][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.122676][ T10] netlink_unicast+0x449/0x710 [ 2048.122676][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.122676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.122676][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.122676][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.122676][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.122676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.122676][ T10] [ 2048.124818][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2048.124818][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2048.124818][ T10] ipv6_find_idev+0x102/0x170 [ 2048.124818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.124818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.124818][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.124818][ T10] netlink_unicast+0x449/0x710 [ 2048.124818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.124818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.124818][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.124818][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.124818][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.124818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.124818][ T10] [ 2048.126570][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2048.126570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2048.126570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2048.126570][ T10] ipv6_find_idev+0x102/0x170 [ 2048.126570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.126570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.126570][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.126570][ T10] netlink_unicast+0x449/0x710 [ 2048.126570][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.126570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.126570][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.126570][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.126570][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.126570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.126570][ T10] [ 2048.128494][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2048.128831][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2048.128831][ T10] netdev_get_by_index+0x5e/0x80 [ 2048.128831][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2048.128831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2048.128831][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2048.128831][ T10] ipv6_add_addr+0x411/0x2000 [ 2048.128831][ T10] inet6_addr_add+0x30e/0xa40 [ 2048.128831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2048.128831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.128831][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.128831][ T10] netlink_unicast+0x449/0x710 [ 2048.128831][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.128831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.128831][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.128831][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.128831][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.128831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.128831][ T10] [ 2048.131005][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2048.131005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2048.131005][ T10] ipv6_find_idev+0x102/0x170 [ 2048.131005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.131005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.131005][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.131005][ T10] netlink_unicast+0x449/0x710 [ 2048.131005][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.131005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.131005][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.131005][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.131005][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.131005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.131005][ T10] [ 2048.132733][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2048.132733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2048.132733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2048.132733][ T10] ipv6_find_idev+0x102/0x170 [ 2048.132733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2048.132733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2048.132733][ T10] netlink_rcv_skb+0x130/0x360 [ 2048.132733][ T10] netlink_unicast+0x449/0x710 [ 2048.132733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2048.132733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2048.132733][ T10] ___sys_sendmsg+0xee/0x170 [ 2048.132733][ T10] __sys_sendmsg+0xcd/0x170 [ 2048.132733][ T10] do_syscall_64+0xc6/0x1e0 [ 2048.132733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2048.132733][ T10] [ 2058.240240][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2058.240643][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2058.240643][ T10] netdev_get_by_index+0x5e/0x80 [ 2058.240643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2058.240643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2058.240643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2058.240643][ T10] ipv6_add_addr+0x411/0x2000 [ 2058.240643][ T10] inet6_addr_add+0x30e/0xa40 [ 2058.240643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2058.240643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.240643][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.240643][ T10] netlink_unicast+0x449/0x710 [ 2058.240643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.240643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.240643][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.240643][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.240643][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.240643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.240643][ T10] [ 2058.242786][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2058.242786][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2058.242786][ T10] ipv6_find_idev+0x102/0x170 [ 2058.242786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.242786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.242786][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.242786][ T10] netlink_unicast+0x449/0x710 [ 2058.242786][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.242786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.242786][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.242786][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.242786][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.242786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.242786][ T10] [ 2058.244332][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2058.244332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2058.244332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2058.244332][ T10] ipv6_find_idev+0x102/0x170 [ 2058.244332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.244332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.244332][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.244332][ T10] netlink_unicast+0x449/0x710 [ 2058.244332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.244332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.244332][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.244332][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.244332][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.244332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.244332][ T10] [ 2058.246155][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2058.246446][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2058.246446][ T10] netdev_get_by_index+0x5e/0x80 [ 2058.246446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2058.246446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2058.246446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2058.246446][ T10] ipv6_add_addr+0x411/0x2000 [ 2058.246446][ T10] inet6_addr_add+0x30e/0xa40 [ 2058.246446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2058.246446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.246446][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.246446][ T10] netlink_unicast+0x449/0x710 [ 2058.246446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.246446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.246446][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.246446][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.246446][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.246446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.246446][ T10] [ 2058.248392][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2058.248392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2058.248392][ T10] ipv6_find_idev+0x102/0x170 [ 2058.248392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.248392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.248392][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.248392][ T10] netlink_unicast+0x449/0x710 [ 2058.248392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.248392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.248392][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.248392][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.248392][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.248392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.248392][ T10] [ 2058.249880][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2058.249880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2058.249880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2058.249880][ T10] ipv6_find_idev+0x102/0x170 [ 2058.249880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.249880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.249880][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.249880][ T10] netlink_unicast+0x449/0x710 [ 2058.249880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.249880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.249880][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.249880][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.249880][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.249880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.249880][ T10] [ 2058.251581][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2058.251852][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2058.251852][ T10] netdev_get_by_index+0x5e/0x80 [ 2058.251852][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2058.251852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2058.251852][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2058.251852][ T10] ipv6_add_addr+0x411/0x2000 [ 2058.251852][ T10] inet6_addr_add+0x30e/0xa40 [ 2058.251852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2058.251852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.251852][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.251852][ T10] netlink_unicast+0x449/0x710 [ 2058.251852][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.251852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.251852][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.251852][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.251852][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.251852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.251852][ T10] [ 2058.253839][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2058.253839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2058.253839][ T10] ipv6_find_idev+0x102/0x170 [ 2058.253839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.253839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.253839][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.253839][ T10] netlink_unicast+0x449/0x710 [ 2058.253839][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.253839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.253839][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.253839][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.253839][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.253839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.253839][ T10] [ 2058.255387][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2058.255387][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2058.255387][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2058.255387][ T10] ipv6_find_idev+0x102/0x170 [ 2058.255387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.255387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.255387][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.255387][ T10] netlink_unicast+0x449/0x710 [ 2058.255387][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.255387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.255387][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.255387][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.255387][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.255387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.255387][ T10] [ 2058.257122][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2058.257405][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2058.257405][ T10] netdev_get_by_index+0x5e/0x80 [ 2058.257405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2058.257405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2058.257405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2058.257405][ T10] ipv6_add_addr+0x411/0x2000 [ 2058.257405][ T10] inet6_addr_add+0x30e/0xa40 [ 2058.257405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2058.257405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.257405][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.257405][ T10] netlink_unicast+0x449/0x710 [ 2058.257405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.257405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.257405][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.257405][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.257405][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.257405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.257405][ T10] [ 2058.259403][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2058.259403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2058.259403][ T10] ipv6_find_idev+0x102/0x170 [ 2058.259403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.259403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.259403][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.259403][ T10] netlink_unicast+0x449/0x710 [ 2058.259403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.259403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.259403][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.259403][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.259403][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.259403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.259403][ T10] [ 2058.260835][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2058.260835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2058.260835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2058.260835][ T10] ipv6_find_idev+0x102/0x170 [ 2058.260835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.260835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.260835][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.260835][ T10] netlink_unicast+0x449/0x710 [ 2058.260835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.260835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.260835][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.260835][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.260835][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.260835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.260835][ T10] [ 2058.262541][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2058.262805][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2058.262805][ T10] netdev_get_by_index+0x5e/0x80 [ 2058.262805][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2058.262805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2058.262805][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2058.262805][ T10] ipv6_add_addr+0x411/0x2000 [ 2058.262805][ T10] inet6_addr_add+0x30e/0xa40 [ 2058.262805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2058.262805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.262805][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.262805][ T10] netlink_unicast+0x449/0x710 [ 2058.262805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.262805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.262805][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.262805][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.262805][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.262805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.262805][ T10] [ 2058.264801][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2058.264801][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2058.264801][ T10] ipv6_find_idev+0x102/0x170 [ 2058.264801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.264801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.264801][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.264801][ T10] netlink_unicast+0x449/0x710 [ 2058.264801][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.264801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.264801][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.264801][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.264801][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.264801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.264801][ T10] [ 2058.266430][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2058.266430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2058.266430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2058.266430][ T10] ipv6_find_idev+0x102/0x170 [ 2058.266430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.266430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.266430][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.266430][ T10] netlink_unicast+0x449/0x710 [ 2058.266430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.266430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.266430][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.266430][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.266430][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.266430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.266430][ T10] [ 2058.268700][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2058.269482][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2058.269482][ T10] netdev_get_by_index+0x5e/0x80 [ 2058.269482][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2058.269482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2058.269482][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2058.269482][ T10] ipv6_add_addr+0x411/0x2000 [ 2058.269482][ T10] inet6_addr_add+0x30e/0xa40 [ 2058.269482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2058.269482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.269482][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.269482][ T10] netlink_unicast+0x449/0x710 [ 2058.269482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.269482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.269482][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.269482][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.269482][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.269482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.269482][ T10] [ 2058.271470][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2058.271470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2058.271470][ T10] ipv6_find_idev+0x102/0x170 [ 2058.271470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.271470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.271470][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.271470][ T10] netlink_unicast+0x449/0x710 [ 2058.271470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.271470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.271470][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.271470][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.271470][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.271470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.271470][ T10] [ 2058.273005][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2058.273005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2058.273005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2058.273005][ T10] ipv6_find_idev+0x102/0x170 [ 2058.273005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.273005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.273005][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.273005][ T10] netlink_unicast+0x449/0x710 [ 2058.273005][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.273005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.273005][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.273005][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.273005][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.273005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.273005][ T10] [ 2058.274700][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2058.274997][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2058.274997][ T10] netdev_get_by_index+0x5e/0x80 [ 2058.274997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2058.274997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2058.274997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2058.274997][ T10] ipv6_add_addr+0x411/0x2000 [ 2058.274997][ T10] inet6_addr_add+0x30e/0xa40 [ 2058.274997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2058.274997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.274997][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.274997][ T10] netlink_unicast+0x449/0x710 [ 2058.274997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.274997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.274997][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.274997][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.274997][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.274997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.274997][ T10] [ 2058.277180][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2058.277180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2058.277180][ T10] ipv6_find_idev+0x102/0x170 [ 2058.277180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.277180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.277180][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.277180][ T10] netlink_unicast+0x449/0x710 [ 2058.277180][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.277180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.277180][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.277180][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.277180][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.277180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.277180][ T10] [ 2058.278833][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2058.278833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2058.278833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2058.278833][ T10] ipv6_find_idev+0x102/0x170 [ 2058.278833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.278833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.278833][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.278833][ T10] netlink_unicast+0x449/0x710 [ 2058.278833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.278833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.278833][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.278833][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.278833][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.278833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.278833][ T10] [ 2058.280746][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2058.281099][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2058.281099][ T10] netdev_get_by_index+0x5e/0x80 [ 2058.281099][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2058.281099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2058.281099][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2058.281099][ T10] ipv6_add_addr+0x411/0x2000 [ 2058.281099][ T10] inet6_addr_add+0x30e/0xa40 [ 2058.281099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2058.281099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.281099][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.281099][ T10] netlink_unicast+0x449/0x710 [ 2058.281099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.281099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.281099][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.281099][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.281099][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.281099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.281099][ T10] [ 2058.283313][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2058.283313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2058.283313][ T10] ipv6_find_idev+0x102/0x170 [ 2058.283313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.283313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.283313][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.283313][ T10] netlink_unicast+0x449/0x710 [ 2058.283313][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.283313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.283313][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.283313][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.283313][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.283313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.283313][ T10] [ 2058.285000][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2058.285000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2058.285000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2058.285000][ T10] ipv6_find_idev+0x102/0x170 [ 2058.285000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2058.285000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2058.285000][ T10] netlink_rcv_skb+0x130/0x360 [ 2058.285000][ T10] netlink_unicast+0x449/0x710 [ 2058.285000][ T10] netlink_sendmsg+0x723/0xbe0 [ 2058.285000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2058.285000][ T10] ___sys_sendmsg+0xee/0x170 [ 2058.285000][ T10] __sys_sendmsg+0xcd/0x170 [ 2058.285000][ T10] do_syscall_64+0xc6/0x1e0 [ 2058.285000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2058.285000][ T10] [ 2068.392146][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2068.392554][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2068.392554][ T10] netdev_get_by_index+0x5e/0x80 [ 2068.392554][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2068.392554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2068.392554][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2068.392554][ T10] ipv6_add_addr+0x411/0x2000 [ 2068.392554][ T10] inet6_addr_add+0x30e/0xa40 [ 2068.392554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2068.392554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.392554][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.392554][ T10] netlink_unicast+0x449/0x710 [ 2068.392554][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.392554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.392554][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.392554][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.392554][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.392554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.392554][ T10] [ 2068.394657][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2068.394657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2068.394657][ T10] ipv6_find_idev+0x102/0x170 [ 2068.394657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.394657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.394657][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.394657][ T10] netlink_unicast+0x449/0x710 [ 2068.394657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.394657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.394657][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.394657][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.394657][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.394657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.394657][ T10] [ 2068.396283][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2068.396283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2068.396283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2068.396283][ T10] ipv6_find_idev+0x102/0x170 [ 2068.396283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.396283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.396283][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.396283][ T10] netlink_unicast+0x449/0x710 [ 2068.396283][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.396283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.396283][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.396283][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.396283][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.396283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.396283][ T10] [ 2068.398002][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2068.398309][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2068.398309][ T10] netdev_get_by_index+0x5e/0x80 [ 2068.398309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2068.398309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2068.398309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2068.398309][ T10] ipv6_add_addr+0x411/0x2000 [ 2068.398309][ T10] inet6_addr_add+0x30e/0xa40 [ 2068.398309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2068.398309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.398309][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.398309][ T10] netlink_unicast+0x449/0x710 [ 2068.398309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.398309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.398309][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.398309][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.398309][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.398309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.398309][ T10] [ 2068.400329][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2068.400329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2068.400329][ T10] ipv6_find_idev+0x102/0x170 [ 2068.400329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.400329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.400329][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.400329][ T10] netlink_unicast+0x449/0x710 [ 2068.400329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.400329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.400329][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.400329][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.400329][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.400329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.400329][ T10] [ 2068.401828][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2068.401828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2068.401828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2068.401828][ T10] ipv6_find_idev+0x102/0x170 [ 2068.401828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.401828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.401828][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.401828][ T10] netlink_unicast+0x449/0x710 [ 2068.401828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.401828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.401828][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.401828][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.401828][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.401828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.401828][ T10] [ 2068.403554][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2068.403808][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2068.403808][ T10] netdev_get_by_index+0x5e/0x80 [ 2068.403808][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2068.403808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2068.403808][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2068.403808][ T10] ipv6_add_addr+0x411/0x2000 [ 2068.403808][ T10] inet6_addr_add+0x30e/0xa40 [ 2068.403808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2068.403808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.403808][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.403808][ T10] netlink_unicast+0x449/0x710 [ 2068.403808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.403808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.403808][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.403808][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.403808][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.403808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.403808][ T10] [ 2068.405841][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2068.405841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2068.405841][ T10] ipv6_find_idev+0x102/0x170 [ 2068.405841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.405841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.405841][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.405841][ T10] netlink_unicast+0x449/0x710 [ 2068.405841][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.405841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.405841][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.405841][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.405841][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.405841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.405841][ T10] [ 2068.407412][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2068.407412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2068.407412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2068.407412][ T10] ipv6_find_idev+0x102/0x170 [ 2068.407412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.407412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.407412][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.407412][ T10] netlink_unicast+0x449/0x710 [ 2068.407412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.407412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.407412][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.407412][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.407412][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.407412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.407412][ T10] [ 2068.409117][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2068.409391][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2068.409391][ T10] netdev_get_by_index+0x5e/0x80 [ 2068.409391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2068.409391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2068.409391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2068.409391][ T10] ipv6_add_addr+0x411/0x2000 [ 2068.409391][ T10] inet6_addr_add+0x30e/0xa40 [ 2068.409391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2068.409391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.409391][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.409391][ T10] netlink_unicast+0x449/0x710 [ 2068.409391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.409391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.409391][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.409391][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.409391][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.409391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.409391][ T10] [ 2068.411354][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2068.411354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2068.411354][ T10] ipv6_find_idev+0x102/0x170 [ 2068.411354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.411354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.411354][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.411354][ T10] netlink_unicast+0x449/0x710 [ 2068.411354][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.411354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.411354][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.411354][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.411354][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.411354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.411354][ T10] [ 2068.412850][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2068.412850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2068.412850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2068.412850][ T10] ipv6_find_idev+0x102/0x170 [ 2068.412850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.412850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.412850][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.412850][ T10] netlink_unicast+0x449/0x710 [ 2068.412850][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.412850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.412850][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.412850][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.412850][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.412850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.412850][ T10] [ 2068.414592][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2068.414881][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2068.414881][ T10] netdev_get_by_index+0x5e/0x80 [ 2068.414881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2068.414881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2068.414881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2068.414881][ T10] ipv6_add_addr+0x411/0x2000 [ 2068.414881][ T10] inet6_addr_add+0x30e/0xa40 [ 2068.414881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2068.414881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.414881][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.414881][ T10] netlink_unicast+0x449/0x710 [ 2068.414881][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.414881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.414881][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.414881][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.414881][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.414881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.414881][ T10] [ 2068.417094][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2068.417094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2068.417094][ T10] ipv6_find_idev+0x102/0x170 [ 2068.417094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.417094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.417094][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.417094][ T10] netlink_unicast+0x449/0x710 [ 2068.417094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.417094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.417094][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.417094][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.417094][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.417094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.417094][ T10] [ 2068.418774][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2068.418774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2068.418774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2068.418774][ T10] ipv6_find_idev+0x102/0x170 [ 2068.418774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.418774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.418774][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.418774][ T10] netlink_unicast+0x449/0x710 [ 2068.418774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.418774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.418774][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.418774][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.418774][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.418774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.418774][ T10] [ 2068.420725][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2068.421036][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2068.421036][ T10] netdev_get_by_index+0x5e/0x80 [ 2068.421036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2068.421036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2068.421036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2068.421036][ T10] ipv6_add_addr+0x411/0x2000 [ 2068.421036][ T10] inet6_addr_add+0x30e/0xa40 [ 2068.421036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2068.421036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.421036][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.421036][ T10] netlink_unicast+0x449/0x710 [ 2068.421036][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.421036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.421036][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.421036][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.421036][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.421036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.421036][ T10] [ 2068.423063][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2068.423063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2068.423063][ T10] ipv6_find_idev+0x102/0x170 [ 2068.423063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.423063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.423063][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.423063][ T10] netlink_unicast+0x449/0x710 [ 2068.423063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.423063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.423063][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.423063][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.423063][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.423063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.423063][ T10] [ 2068.424792][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2068.424792][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2068.424792][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2068.424792][ T10] ipv6_find_idev+0x102/0x170 [ 2068.424792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.424792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.424792][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.424792][ T10] netlink_unicast+0x449/0x710 [ 2068.424792][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.424792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.424792][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.424792][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.424792][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.424792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.424792][ T10] [ 2068.426687][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2068.426963][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2068.426963][ T10] netdev_get_by_index+0x5e/0x80 [ 2068.426963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2068.426963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2068.426963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2068.426963][ T10] ipv6_add_addr+0x411/0x2000 [ 2068.426963][ T10] inet6_addr_add+0x30e/0xa40 [ 2068.426963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2068.426963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.426963][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.426963][ T10] netlink_unicast+0x449/0x710 [ 2068.426963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.426963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.426963][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.426963][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.426963][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.426963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.426963][ T10] [ 2068.429222][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2068.429222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2068.429222][ T10] ipv6_find_idev+0x102/0x170 [ 2068.429222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.429222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.429222][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.429222][ T10] netlink_unicast+0x449/0x710 [ 2068.429222][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.429222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.429222][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.429222][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.429222][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.429222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.429222][ T10] [ 2068.430964][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2068.430964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2068.430964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2068.430964][ T10] ipv6_find_idev+0x102/0x170 [ 2068.430964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.430964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.430964][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.430964][ T10] netlink_unicast+0x449/0x710 [ 2068.430964][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.430964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.430964][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.430964][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.430964][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.430964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.430964][ T10] [ 2068.432993][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2068.433330][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2068.433330][ T10] netdev_get_by_index+0x5e/0x80 [ 2068.433330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2068.433330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2068.433330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2068.433330][ T10] ipv6_add_addr+0x411/0x2000 [ 2068.433330][ T10] inet6_addr_add+0x30e/0xa40 [ 2068.433330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2068.433330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.433330][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.433330][ T10] netlink_unicast+0x449/0x710 [ 2068.433330][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.433330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.433330][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.433330][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.433330][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.433330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.433330][ T10] [ 2068.435564][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2068.435564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2068.435564][ T10] ipv6_find_idev+0x102/0x170 [ 2068.435564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.435564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.435564][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.435564][ T10] netlink_unicast+0x449/0x710 [ 2068.435564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.435564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.435564][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.435564][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.435564][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.435564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.435564][ T10] [ 2068.437259][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2068.437259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2068.437259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2068.437259][ T10] ipv6_find_idev+0x102/0x170 [ 2068.437259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2068.437259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2068.437259][ T10] netlink_rcv_skb+0x130/0x360 [ 2068.437259][ T10] netlink_unicast+0x449/0x710 [ 2068.437259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2068.437259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2068.437259][ T10] ___sys_sendmsg+0xee/0x170 [ 2068.437259][ T10] __sys_sendmsg+0xcd/0x170 [ 2068.437259][ T10] do_syscall_64+0xc6/0x1e0 [ 2068.437259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2068.437259][ T10] [ 2078.593162][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2078.593665][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2078.593665][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.593665][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.593665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.593665][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.593665][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.593665][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.593665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.593665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.593665][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.593665][ T10] netlink_unicast+0x449/0x710 [ 2078.593665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.593665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.593665][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.593665][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.593665][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.593665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.593665][ T10] [ 2078.595777][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2078.595777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.595777][ T10] ipv6_find_idev+0x102/0x170 [ 2078.595777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.595777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.595777][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.595777][ T10] netlink_unicast+0x449/0x710 [ 2078.595777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.595777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.595777][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.595777][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.595777][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.595777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.595777][ T10] [ 2078.597410][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2078.597410][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.597410][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.597410][ T10] ipv6_find_idev+0x102/0x170 [ 2078.597410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.597410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.597410][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.597410][ T10] netlink_unicast+0x449/0x710 [ 2078.597410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.597410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.597410][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.597410][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.597410][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.597410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.597410][ T10] [ 2078.599163][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2078.599458][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2078.599458][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.599458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.599458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.599458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.599458][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.599458][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.599458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.599458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.599458][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.599458][ T10] netlink_unicast+0x449/0x710 [ 2078.599458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.599458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.599458][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.599458][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.599458][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.599458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.599458][ T10] [ 2078.601538][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2078.601538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.601538][ T10] ipv6_find_idev+0x102/0x170 [ 2078.601538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.601538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.601538][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.601538][ T10] netlink_unicast+0x449/0x710 [ 2078.601538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.601538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.601538][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.601538][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.601538][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.601538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.601538][ T10] [ 2078.603135][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2078.603135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.603135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.603135][ T10] ipv6_find_idev+0x102/0x170 [ 2078.603135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.603135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.603135][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.603135][ T10] netlink_unicast+0x449/0x710 [ 2078.603135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.603135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.603135][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.603135][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.603135][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.603135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.603135][ T10] [ 2078.604895][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2078.605195][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2078.605195][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.605195][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.605195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.605195][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.605195][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.605195][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.605195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.605195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.605195][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.605195][ T10] netlink_unicast+0x449/0x710 [ 2078.605195][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.605195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.605195][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.605195][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.605195][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.605195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.605195][ T10] [ 2078.607414][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2078.607414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.607414][ T10] ipv6_find_idev+0x102/0x170 [ 2078.607414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.607414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.607414][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.607414][ T10] netlink_unicast+0x449/0x710 [ 2078.607414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.607414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.607414][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.607414][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.607414][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.607414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.607414][ T10] [ 2078.609147][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2078.609147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.609147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.609147][ T10] ipv6_find_idev+0x102/0x170 [ 2078.609147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.609147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.609147][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.609147][ T10] netlink_unicast+0x449/0x710 [ 2078.609147][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.609147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.609147][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.609147][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.609147][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.609147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.609147][ T10] [ 2078.611099][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2078.611373][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2078.611373][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.611373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.611373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.611373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.611373][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.611373][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.611373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.611373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.611373][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.611373][ T10] netlink_unicast+0x449/0x710 [ 2078.611373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.611373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.611373][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.611373][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.611373][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.611373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.611373][ T10] [ 2078.613567][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2078.613567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.613567][ T10] ipv6_find_idev+0x102/0x170 [ 2078.613567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.613567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.613567][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.613567][ T10] netlink_unicast+0x449/0x710 [ 2078.613567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.613567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.613567][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.613567][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.613567][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.613567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.613567][ T10] [ 2078.615161][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2078.615161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.615161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.615161][ T10] ipv6_find_idev+0x102/0x170 [ 2078.615161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.615161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.615161][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.615161][ T10] netlink_unicast+0x449/0x710 [ 2078.615161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.615161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.615161][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.615161][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.615161][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.615161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.615161][ T10] [ 2078.617380][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2078.617651][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2078.617651][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.617651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.617651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.617651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.617651][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.617651][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.617651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.617651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.617651][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.617651][ T10] netlink_unicast+0x449/0x710 [ 2078.617651][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.617651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.617651][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.617651][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.617651][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.617651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.617651][ T10] [ 2078.619658][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2078.619658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.619658][ T10] ipv6_find_idev+0x102/0x170 [ 2078.619658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.619658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.619658][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.619658][ T10] netlink_unicast+0x449/0x710 [ 2078.619658][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.619658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.619658][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.619658][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.619658][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.619658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.619658][ T10] [ 2078.621279][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2078.621279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.621279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.621279][ T10] ipv6_find_idev+0x102/0x170 [ 2078.621279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.621279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.621279][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.621279][ T10] netlink_unicast+0x449/0x710 [ 2078.621279][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.621279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.621279][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.621279][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.621279][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.621279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.621279][ T10] [ 2078.623276][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2078.623544][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2078.623544][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.623544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.623544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.623544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.623544][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.623544][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.623544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.623544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.623544][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.623544][ T10] netlink_unicast+0x449/0x710 [ 2078.623544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.623544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.623544][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.623544][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.623544][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.623544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.623544][ T10] [ 2078.625600][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2078.625600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.625600][ T10] ipv6_find_idev+0x102/0x170 [ 2078.625600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.625600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.625600][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.625600][ T10] netlink_unicast+0x449/0x710 [ 2078.625600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.625600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.625600][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.625600][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.625600][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.625600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.625600][ T10] [ 2078.627402][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2078.627402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.627402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.627402][ T10] ipv6_find_idev+0x102/0x170 [ 2078.627402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.627402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.627402][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.627402][ T10] netlink_unicast+0x449/0x710 [ 2078.627402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.627402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.627402][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.627402][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.627402][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.627402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.627402][ T10] [ 2078.629268][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2078.629536][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2078.629536][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.629536][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.629536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.629536][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.629536][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.629536][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.629536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.629536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.629536][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.629536][ T10] netlink_unicast+0x449/0x710 [ 2078.629536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.629536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.629536][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.629536][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.629536][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.629536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.629536][ T10] [ 2078.631846][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2078.631846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.631846][ T10] ipv6_find_idev+0x102/0x170 [ 2078.631846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.631846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.631846][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.631846][ T10] netlink_unicast+0x449/0x710 [ 2078.631846][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.631846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.631846][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.631846][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.631846][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.631846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.631846][ T10] [ 2078.633649][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2078.633649][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.633649][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.633649][ T10] ipv6_find_idev+0x102/0x170 [ 2078.633649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.633649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.633649][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.633649][ T10] netlink_unicast+0x449/0x710 [ 2078.633649][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.633649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.633649][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.633649][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.633649][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.633649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.633649][ T10] [ 2078.635572][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2078.635839][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2078.635839][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.635839][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.635839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.635839][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.635839][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.635839][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.635839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.635839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.635839][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.635839][ T10] netlink_unicast+0x449/0x710 [ 2078.635839][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.635839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.635839][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.635839][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.635839][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.635839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.635839][ T10] [ 2078.638011][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2078.638011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.638011][ T10] ipv6_find_idev+0x102/0x170 [ 2078.638011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.638011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.638011][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.638011][ T10] netlink_unicast+0x449/0x710 [ 2078.638011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.638011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.638011][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.638011][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.638011][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.638011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.638011][ T10] [ 2078.639629][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2078.639629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.639629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.639629][ T10] ipv6_find_idev+0x102/0x170 [ 2078.639629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.639629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.639629][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.639629][ T10] netlink_unicast+0x449/0x710 [ 2078.639629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.639629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.639629][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.639629][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.639629][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.639629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.639629][ T10] [ 2088.808215][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2088.808551][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2088.808551][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.808551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.808551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.808551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.808551][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.808551][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.808551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.808551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.808551][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.808551][ T10] netlink_unicast+0x449/0x710 [ 2088.808551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.808551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.808551][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.808551][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.808551][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.808551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.808551][ T10] [ 2088.810571][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2088.810571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.810571][ T10] ipv6_find_idev+0x102/0x170 [ 2088.810571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.810571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.810571][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.810571][ T10] netlink_unicast+0x449/0x710 [ 2088.810571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.810571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.810571][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.810571][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.810571][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.810571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.810571][ T10] [ 2088.812118][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2088.812118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.812118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.812118][ T10] ipv6_find_idev+0x102/0x170 [ 2088.812118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.812118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.812118][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.812118][ T10] netlink_unicast+0x449/0x710 [ 2088.812118][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.812118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.812118][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.812118][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.812118][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.812118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.812118][ T10] [ 2088.813866][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2088.814147][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2088.814147][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.814147][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.814147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.814147][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.814147][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.814147][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.814147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.814147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.814147][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.814147][ T10] netlink_unicast+0x449/0x710 [ 2088.814147][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.814147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.814147][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.814147][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.814147][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.814147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.814147][ T10] [ 2088.816233][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2088.816233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.816233][ T10] ipv6_find_idev+0x102/0x170 [ 2088.816233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.816233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.816233][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.816233][ T10] netlink_unicast+0x449/0x710 [ 2088.816233][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.816233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.816233][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.816233][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.816233][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.816233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.816233][ T10] [ 2088.817834][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2088.817834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.817834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.817834][ T10] ipv6_find_idev+0x102/0x170 [ 2088.817834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.817834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.817834][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.817834][ T10] netlink_unicast+0x449/0x710 [ 2088.817834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.817834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.817834][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.817834][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.817834][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.817834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.817834][ T10] [ 2088.819833][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2088.820113][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2088.820113][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.820113][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.820113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.820113][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.820113][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.820113][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.820113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.820113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.820113][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.820113][ T10] netlink_unicast+0x449/0x710 [ 2088.820113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.820113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.820113][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.820113][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.820113][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.820113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.820113][ T10] [ 2088.822345][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2088.822345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.822345][ T10] ipv6_find_idev+0x102/0x170 [ 2088.822345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.822345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.822345][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.822345][ T10] netlink_unicast+0x449/0x710 [ 2088.822345][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.822345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.822345][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.822345][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.822345][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.822345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.822345][ T10] [ 2088.824042][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2088.824042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.824042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.824042][ T10] ipv6_find_idev+0x102/0x170 [ 2088.824042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.824042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.824042][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.824042][ T10] netlink_unicast+0x449/0x710 [ 2088.824042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.824042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.824042][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.824042][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.824042][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.824042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.824042][ T10] [ 2088.825975][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2088.826804][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2088.826804][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.826804][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.826804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.826804][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.826804][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.826804][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.826804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.826804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.826804][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.826804][ T10] netlink_unicast+0x449/0x710 [ 2088.826804][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.826804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.826804][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.826804][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.826804][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.826804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.826804][ T10] [ 2088.828845][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2088.828845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.828845][ T10] ipv6_find_idev+0x102/0x170 [ 2088.828845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.828845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.828845][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.828845][ T10] netlink_unicast+0x449/0x710 [ 2088.828845][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.828845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.828845][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.828845][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.828845][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.828845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.828845][ T10] [ 2088.830433][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2088.830433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.830433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.830433][ T10] ipv6_find_idev+0x102/0x170 [ 2088.830433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.830433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.830433][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.830433][ T10] netlink_unicast+0x449/0x710 [ 2088.830433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.830433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.830433][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.830433][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.830433][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.830433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.830433][ T10] [ 2088.832184][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2088.832449][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2088.832449][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.832449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.832449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.832449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.832449][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.832449][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.832449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.832449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.832449][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.832449][ T10] netlink_unicast+0x449/0x710 [ 2088.832449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.832449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.832449][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.832449][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.832449][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.832449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.832449][ T10] [ 2088.834473][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2088.834473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.834473][ T10] ipv6_find_idev+0x102/0x170 [ 2088.834473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.834473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.834473][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.834473][ T10] netlink_unicast+0x449/0x710 [ 2088.834473][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.834473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.834473][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.834473][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.834473][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.834473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.834473][ T10] [ 2088.836080][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2088.836080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.836080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.836080][ T10] ipv6_find_idev+0x102/0x170 [ 2088.836080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.836080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.836080][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.836080][ T10] netlink_unicast+0x449/0x710 [ 2088.836080][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.836080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.836080][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.836080][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.836080][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.836080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.836080][ T10] [ 2088.837899][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2088.838236][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2088.838236][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.838236][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.838236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.838236][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.838236][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.838236][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.838236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.838236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.838236][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.838236][ T10] netlink_unicast+0x449/0x710 [ 2088.838236][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.838236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.838236][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.838236][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.838236][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.838236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.838236][ T10] [ 2088.840402][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2088.840402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.840402][ T10] ipv6_find_idev+0x102/0x170 [ 2088.840402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.840402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.840402][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.840402][ T10] netlink_unicast+0x449/0x710 [ 2088.840402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.840402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.840402][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.840402][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.840402][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.840402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.840402][ T10] [ 2088.842252][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2088.842252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.842252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.842252][ T10] ipv6_find_idev+0x102/0x170 [ 2088.842252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.842252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.842252][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.842252][ T10] netlink_unicast+0x449/0x710 [ 2088.842252][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.842252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.842252][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.842252][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.842252][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.842252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.842252][ T10] [ 2088.844167][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2088.844446][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2088.844446][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.844446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.844446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.844446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.844446][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.844446][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.844446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.844446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.844446][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.844446][ T10] netlink_unicast+0x449/0x710 [ 2088.844446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.844446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.844446][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.844446][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.844446][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.844446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.844446][ T10] [ 2088.846787][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2088.846787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.846787][ T10] ipv6_find_idev+0x102/0x170 [ 2088.846787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.846787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.846787][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.846787][ T10] netlink_unicast+0x449/0x710 [ 2088.846787][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.846787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.846787][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.846787][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.846787][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.846787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.846787][ T10] [ 2088.848674][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2088.848674][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.848674][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.848674][ T10] ipv6_find_idev+0x102/0x170 [ 2088.848674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.848674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.848674][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.848674][ T10] netlink_unicast+0x449/0x710 [ 2088.848674][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.848674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.848674][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.848674][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.848674][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.848674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.848674][ T10] [ 2088.850612][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2088.850880][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2088.850880][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.850880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.850880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.850880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.850880][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.850880][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.850880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.850880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.850880][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.850880][ T10] netlink_unicast+0x449/0x710 [ 2088.850880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.850880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.850880][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.850880][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.850880][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.850880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.850880][ T10] [ 2088.853113][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2088.853113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.853113][ T10] ipv6_find_idev+0x102/0x170 [ 2088.853113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.853113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.853113][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.853113][ T10] netlink_unicast+0x449/0x710 [ 2088.853113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.853113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.853113][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.853113][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.853113][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.853113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.853113][ T10] [ 2088.854735][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2088.854735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.854735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.854735][ T10] ipv6_find_idev+0x102/0x170 [ 2088.854735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.854735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.854735][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.854735][ T10] netlink_unicast+0x449/0x710 [ 2088.854735][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.854735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.854735][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.854735][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.854735][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.854735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.854735][ T10] [ 2098.977126][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2098.977460][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2098.977460][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.977460][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.977460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.977460][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.977460][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.977460][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.977460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.977460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.977460][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.977460][ T10] netlink_unicast+0x449/0x710 [ 2098.977460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.977460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.977460][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.977460][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.977460][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.977460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.977460][ T10] [ 2098.979571][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2098.979571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.979571][ T10] ipv6_find_idev+0x102/0x170 [ 2098.979571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.979571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.979571][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.979571][ T10] netlink_unicast+0x449/0x710 [ 2098.979571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.979571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.979571][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.979571][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.979571][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.979571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.979571][ T10] [ 2098.981173][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2098.981173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.981173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.981173][ T10] ipv6_find_idev+0x102/0x170 [ 2098.981173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.981173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.981173][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.981173][ T10] netlink_unicast+0x449/0x710 [ 2098.981173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.981173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.981173][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.981173][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.981173][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.981173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.981173][ T10] [ 2098.982954][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2098.983242][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2098.983242][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.983242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.983242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.983242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.983242][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.983242][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.983242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.983242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.983242][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.983242][ T10] netlink_unicast+0x449/0x710 [ 2098.983242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.983242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.983242][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.983242][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.983242][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.983242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.983242][ T10] [ 2098.985317][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2098.985317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.985317][ T10] ipv6_find_idev+0x102/0x170 [ 2098.985317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.985317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.985317][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.985317][ T10] netlink_unicast+0x449/0x710 [ 2098.985317][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.985317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.985317][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.985317][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.985317][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.985317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.985317][ T10] [ 2098.986938][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2098.986938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.986938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.986938][ T10] ipv6_find_idev+0x102/0x170 [ 2098.986938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.986938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.986938][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.986938][ T10] netlink_unicast+0x449/0x710 [ 2098.986938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.986938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.986938][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.986938][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.986938][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.986938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.986938][ T10] [ 2098.988706][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2098.988987][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2098.988987][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.988987][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.988987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.988987][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.988987][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.988987][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.988987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.988987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.988987][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.988987][ T10] netlink_unicast+0x449/0x710 [ 2098.988987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.988987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.988987][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.988987][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.988987][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.988987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.988987][ T10] [ 2098.991305][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2098.991305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.991305][ T10] ipv6_find_idev+0x102/0x170 [ 2098.991305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.991305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.991305][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.991305][ T10] netlink_unicast+0x449/0x710 [ 2098.991305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.991305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.991305][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.991305][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.991305][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.991305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.991305][ T10] [ 2098.992971][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2098.992971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.992971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.992971][ T10] ipv6_find_idev+0x102/0x170 [ 2098.992971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.992971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.992971][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.992971][ T10] netlink_unicast+0x449/0x710 [ 2098.992971][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.992971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.992971][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.992971][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.992971][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.992971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.992971][ T10] [ 2098.994962][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2098.995252][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2098.995252][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.995252][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.995252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.995252][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.995252][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.995252][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.995252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.995252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.995252][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.995252][ T10] netlink_unicast+0x449/0x710 [ 2098.995252][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.995252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.995252][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.995252][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.995252][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.995252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.995252][ T10] [ 2098.997523][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2098.997523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.997523][ T10] ipv6_find_idev+0x102/0x170 [ 2098.997523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.997523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.997523][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.997523][ T10] netlink_unicast+0x449/0x710 [ 2098.997523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.997523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.997523][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.997523][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.997523][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.997523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.997523][ T10] [ 2098.999115][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2098.999115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.999115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.999115][ T10] ipv6_find_idev+0x102/0x170 [ 2098.999115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.999115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.999115][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.999115][ T10] netlink_unicast+0x449/0x710 [ 2098.999115][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.999115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.999115][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.999115][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.999115][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.999115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.999115][ T10] [ 2099.000949][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2099.001750][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2099.001750][ T10] netdev_get_by_index+0x5e/0x80 [ 2099.001750][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2099.001750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2099.001750][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2099.001750][ T10] ipv6_add_addr+0x411/0x2000 [ 2099.001750][ T10] inet6_addr_add+0x30e/0xa40 [ 2099.001750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2099.001750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.001750][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.001750][ T10] netlink_unicast+0x449/0x710 [ 2099.001750][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.001750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.001750][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.001750][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.001750][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.001750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.001750][ T10] [ 2099.003833][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2099.003833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2099.003833][ T10] ipv6_find_idev+0x102/0x170 [ 2099.003833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2099.003833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.003833][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.003833][ T10] netlink_unicast+0x449/0x710 [ 2099.003833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.003833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.003833][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.003833][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.003833][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.003833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.003833][ T10] [ 2099.005616][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2099.005616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2099.005616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2099.005616][ T10] ipv6_find_idev+0x102/0x170 [ 2099.005616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2099.005616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.005616][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.005616][ T10] netlink_unicast+0x449/0x710 [ 2099.005616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.005616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.005616][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.005616][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.005616][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.005616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.005616][ T10] [ 2099.007733][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2099.008009][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2099.008009][ T10] netdev_get_by_index+0x5e/0x80 [ 2099.008009][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2099.008009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2099.008009][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2099.008009][ T10] ipv6_add_addr+0x411/0x2000 [ 2099.008009][ T10] inet6_addr_add+0x30e/0xa40 [ 2099.008009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2099.008009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.008009][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.008009][ T10] netlink_unicast+0x449/0x710 [ 2099.008009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.008009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.008009][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.008009][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.008009][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.008009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.008009][ T10] [ 2099.010037][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2099.010037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2099.010037][ T10] ipv6_find_idev+0x102/0x170 [ 2099.010037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2099.010037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.010037][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.010037][ T10] netlink_unicast+0x449/0x710 [ 2099.010037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.010037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.010037][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.010037][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.010037][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.010037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.010037][ T10] [ 2099.011630][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2099.011630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2099.011630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2099.011630][ T10] ipv6_find_idev+0x102/0x170 [ 2099.011630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2099.011630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.011630][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.011630][ T10] netlink_unicast+0x449/0x710 [ 2099.011630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.011630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.011630][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.011630][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.011630][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.011630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.011630][ T10] [ 2099.013420][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2099.013700][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2099.013700][ T10] netdev_get_by_index+0x5e/0x80 [ 2099.013700][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2099.013700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2099.013700][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2099.013700][ T10] ipv6_add_addr+0x411/0x2000 [ 2099.013700][ T10] inet6_addr_add+0x30e/0xa40 [ 2099.013700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2099.013700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.013700][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.013700][ T10] netlink_unicast+0x449/0x710 [ 2099.013700][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.013700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.013700][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.013700][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.013700][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.013700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.013700][ T10] [ 2099.015993][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2099.015993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2099.015993][ T10] ipv6_find_idev+0x102/0x170 [ 2099.015993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2099.015993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.015993][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.015993][ T10] netlink_unicast+0x449/0x710 [ 2099.015993][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.015993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.015993][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.015993][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.015993][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.015993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.015993][ T10] [ 2099.017706][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2099.017706][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2099.017706][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2099.017706][ T10] ipv6_find_idev+0x102/0x170 [ 2099.017706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2099.017706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.017706][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.017706][ T10] netlink_unicast+0x449/0x710 [ 2099.017706][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.017706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.017706][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.017706][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.017706][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.017706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.017706][ T10] [ 2099.019773][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2099.020045][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2099.020045][ T10] netdev_get_by_index+0x5e/0x80 [ 2099.020045][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2099.020045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2099.020045][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2099.020045][ T10] ipv6_add_addr+0x411/0x2000 [ 2099.020045][ T10] inet6_addr_add+0x30e/0xa40 [ 2099.020045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2099.020045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.020045][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.020045][ T10] netlink_unicast+0x449/0x710 [ 2099.020045][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.020045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.020045][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.020045][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.020045][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.020045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.020045][ T10] [ 2099.022139][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2099.022139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2099.022139][ T10] ipv6_find_idev+0x102/0x170 [ 2099.022139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2099.022139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.022139][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.022139][ T10] netlink_unicast+0x449/0x710 [ 2099.022139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.022139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.022139][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.022139][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.022139][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.022139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.022139][ T10] [ 2099.023944][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2099.023944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2099.023944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2099.023944][ T10] ipv6_find_idev+0x102/0x170 [ 2099.023944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2099.023944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2099.023944][ T10] netlink_rcv_skb+0x130/0x360 [ 2099.023944][ T10] netlink_unicast+0x449/0x710 [ 2099.023944][ T10] netlink_sendmsg+0x723/0xbe0 [ 2099.023944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2099.023944][ T10] ___sys_sendmsg+0xee/0x170 [ 2099.023944][ T10] __sys_sendmsg+0xcd/0x170 [ 2099.023944][ T10] do_syscall_64+0xc6/0x1e0 [ 2099.023944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2099.023944][ T10] [ 2109.144218][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2109.144637][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2109.144637][ T10] netdev_get_by_index+0x5e/0x80 [ 2109.144637][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2109.144637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2109.144637][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2109.144637][ T10] ipv6_add_addr+0x411/0x2000 [ 2109.144637][ T10] inet6_addr_add+0x30e/0xa40 [ 2109.144637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2109.144637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.144637][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.144637][ T10] netlink_unicast+0x449/0x710 [ 2109.144637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.144637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.144637][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.144637][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.144637][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.144637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.144637][ T10] [ 2109.147035][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2109.147035][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2109.147035][ T10] ipv6_find_idev+0x102/0x170 [ 2109.147035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.147035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.147035][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.147035][ T10] netlink_unicast+0x449/0x710 [ 2109.147035][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.147035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.147035][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.147035][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.147035][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.147035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.147035][ T10] [ 2109.148840][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2109.148840][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2109.148840][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2109.148840][ T10] ipv6_find_idev+0x102/0x170 [ 2109.148840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.148840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.148840][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.148840][ T10] netlink_unicast+0x449/0x710 [ 2109.148840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.148840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.148840][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.148840][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.148840][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.148840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.148840][ T10] [ 2109.150808][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2109.151124][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2109.151124][ T10] netdev_get_by_index+0x5e/0x80 [ 2109.151124][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2109.151124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2109.151124][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2109.151124][ T10] ipv6_add_addr+0x411/0x2000 [ 2109.151124][ T10] inet6_addr_add+0x30e/0xa40 [ 2109.151124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2109.151124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.151124][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.151124][ T10] netlink_unicast+0x449/0x710 [ 2109.151124][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.151124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.151124][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.151124][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.151124][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.151124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.151124][ T10] [ 2109.153449][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2109.153449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2109.153449][ T10] ipv6_find_idev+0x102/0x170 [ 2109.153449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.153449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.153449][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.153449][ T10] netlink_unicast+0x449/0x710 [ 2109.153449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.153449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.153449][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.153449][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.153449][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.153449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.153449][ T10] [ 2109.155277][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2109.155277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2109.155277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2109.155277][ T10] ipv6_find_idev+0x102/0x170 [ 2109.155277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.155277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.155277][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.155277][ T10] netlink_unicast+0x449/0x710 [ 2109.155277][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.155277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.155277][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.155277][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.155277][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.155277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.155277][ T10] [ 2109.157321][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2109.157619][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2109.157619][ T10] netdev_get_by_index+0x5e/0x80 [ 2109.157619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2109.157619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2109.157619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2109.157619][ T10] ipv6_add_addr+0x411/0x2000 [ 2109.157619][ T10] inet6_addr_add+0x30e/0xa40 [ 2109.157619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2109.157619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.157619][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.157619][ T10] netlink_unicast+0x449/0x710 [ 2109.157619][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.157619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.157619][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.157619][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.157619][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.157619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.157619][ T10] [ 2109.160062][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2109.160062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2109.160062][ T10] ipv6_find_idev+0x102/0x170 [ 2109.160062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.160062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.160062][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.160062][ T10] netlink_unicast+0x449/0x710 [ 2109.160062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.160062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.160062][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.160062][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.160062][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.160062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.160062][ T10] [ 2109.161828][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2109.161828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2109.161828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2109.161828][ T10] ipv6_find_idev+0x102/0x170 [ 2109.161828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.161828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.161828][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.161828][ T10] netlink_unicast+0x449/0x710 [ 2109.161828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.161828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.161828][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.161828][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.161828][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.161828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.161828][ T10] [ 2109.163848][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2109.164163][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2109.164163][ T10] netdev_get_by_index+0x5e/0x80 [ 2109.164163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2109.164163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2109.164163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2109.164163][ T10] ipv6_add_addr+0x411/0x2000 [ 2109.164163][ T10] inet6_addr_add+0x30e/0xa40 [ 2109.164163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2109.164163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.164163][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.164163][ T10] netlink_unicast+0x449/0x710 [ 2109.164163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.164163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.164163][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.164163][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.164163][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.164163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.164163][ T10] [ 2109.166679][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2109.166679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2109.166679][ T10] ipv6_find_idev+0x102/0x170 [ 2109.166679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.166679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.166679][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.166679][ T10] netlink_unicast+0x449/0x710 [ 2109.166679][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.166679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.166679][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.166679][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.166679][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.166679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.166679][ T10] [ 2109.168589][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2109.168589][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2109.168589][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2109.168589][ T10] ipv6_find_idev+0x102/0x170 [ 2109.168589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.168589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.168589][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.168589][ T10] netlink_unicast+0x449/0x710 [ 2109.168589][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.168589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.168589][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.168589][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.168589][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.168589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.168589][ T10] [ 2109.170771][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2109.171144][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2109.171144][ T10] netdev_get_by_index+0x5e/0x80 [ 2109.171144][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2109.171144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2109.171144][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2109.171144][ T10] ipv6_add_addr+0x411/0x2000 [ 2109.171144][ T10] inet6_addr_add+0x30e/0xa40 [ 2109.171144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2109.171144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.171144][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.171144][ T10] netlink_unicast+0x449/0x710 [ 2109.171144][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.171144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.171144][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.171144][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.171144][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.171144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.171144][ T10] [ 2109.173622][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2109.173622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2109.173622][ T10] ipv6_find_idev+0x102/0x170 [ 2109.173622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.173622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.173622][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.173622][ T10] netlink_unicast+0x449/0x710 [ 2109.173622][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.173622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.173622][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.173622][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.173622][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.173622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.173622][ T10] [ 2109.175537][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2109.175537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2109.175537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2109.175537][ T10] ipv6_find_idev+0x102/0x170 [ 2109.175537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.175537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.175537][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.175537][ T10] netlink_unicast+0x449/0x710 [ 2109.175537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.175537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.175537][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.175537][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.175537][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.175537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.175537][ T10] [ 2109.178335][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2109.178686][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2109.178686][ T10] netdev_get_by_index+0x5e/0x80 [ 2109.178686][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2109.178686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2109.178686][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2109.178686][ T10] ipv6_add_addr+0x411/0x2000 [ 2109.178686][ T10] inet6_addr_add+0x30e/0xa40 [ 2109.178686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2109.178686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.178686][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.178686][ T10] netlink_unicast+0x449/0x710 [ 2109.178686][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.178686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.178686][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.178686][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.178686][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.178686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.178686][ T10] [ 2109.181327][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2109.181327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2109.181327][ T10] ipv6_find_idev+0x102/0x170 [ 2109.181327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.181327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.181327][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.181327][ T10] netlink_unicast+0x449/0x710 [ 2109.181327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.181327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.181327][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.181327][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.181327][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.181327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.181327][ T10] [ 2109.183344][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2109.183344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2109.183344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2109.183344][ T10] ipv6_find_idev+0x102/0x170 [ 2109.183344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.183344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.183344][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.183344][ T10] netlink_unicast+0x449/0x710 [ 2109.183344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.183344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.183344][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.183344][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.183344][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.183344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.183344][ T10] [ 2109.185596][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2109.185947][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2109.185947][ T10] netdev_get_by_index+0x5e/0x80 [ 2109.185947][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2109.185947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2109.185947][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2109.185947][ T10] ipv6_add_addr+0x411/0x2000 [ 2109.185947][ T10] inet6_addr_add+0x30e/0xa40 [ 2109.185947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2109.185947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.185947][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.185947][ T10] netlink_unicast+0x449/0x710 [ 2109.185947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.185947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.185947][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.185947][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.185947][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.185947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.185947][ T10] [ 2109.188239][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2109.188239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2109.188239][ T10] ipv6_find_idev+0x102/0x170 [ 2109.188239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.188239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.188239][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.188239][ T10] netlink_unicast+0x449/0x710 [ 2109.188239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.188239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.188239][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.188239][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.188239][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.188239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.188239][ T10] [ 2109.190022][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2109.190022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2109.190022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2109.190022][ T10] ipv6_find_idev+0x102/0x170 [ 2109.190022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.190022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.190022][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.190022][ T10] netlink_unicast+0x449/0x710 [ 2109.190022][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.190022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.190022][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.190022][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.190022][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.190022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.190022][ T10] [ 2109.192050][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2109.192411][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2109.192411][ T10] netdev_get_by_index+0x5e/0x80 [ 2109.192411][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2109.192411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2109.192411][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2109.192411][ T10] ipv6_add_addr+0x411/0x2000 [ 2109.192411][ T10] inet6_addr_add+0x30e/0xa40 [ 2109.192411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2109.192411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.192411][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.192411][ T10] netlink_unicast+0x449/0x710 [ 2109.192411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.192411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.192411][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.192411][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.192411][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.192411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.192411][ T10] [ 2109.194905][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2109.194905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2109.194905][ T10] ipv6_find_idev+0x102/0x170 [ 2109.194905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.194905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.194905][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.194905][ T10] netlink_unicast+0x449/0x710 [ 2109.194905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.194905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.194905][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.194905][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.194905][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.194905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.194905][ T10] [ 2109.196731][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2109.196731][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2109.196731][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2109.196731][ T10] ipv6_find_idev+0x102/0x170 [ 2109.196731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2109.196731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2109.196731][ T10] netlink_rcv_skb+0x130/0x360 [ 2109.196731][ T10] netlink_unicast+0x449/0x710 [ 2109.196731][ T10] netlink_sendmsg+0x723/0xbe0 [ 2109.196731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2109.196731][ T10] ___sys_sendmsg+0xee/0x170 [ 2109.196731][ T10] __sys_sendmsg+0xcd/0x170 [ 2109.196731][ T10] do_syscall_64+0xc6/0x1e0 [ 2109.196731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2109.196731][ T10] [ 2119.344240][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2119.344605][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2119.344605][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.344605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.344605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.344605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.344605][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.344605][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.344605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.344605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.344605][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.344605][ T10] netlink_unicast+0x449/0x710 [ 2119.344605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.344605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.344605][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.344605][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.344605][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.344605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.344605][ T10] [ 2119.346702][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2119.346702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.346702][ T10] ipv6_find_idev+0x102/0x170 [ 2119.346702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.346702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.346702][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.346702][ T10] netlink_unicast+0x449/0x710 [ 2119.346702][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.346702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.346702][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.346702][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.346702][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.346702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.346702][ T10] [ 2119.348331][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2119.348331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.348331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.348331][ T10] ipv6_find_idev+0x102/0x170 [ 2119.348331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.348331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.348331][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.348331][ T10] netlink_unicast+0x449/0x710 [ 2119.348331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.348331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.348331][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.348331][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.348331][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.348331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.348331][ T10] [ 2119.350068][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2119.350350][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2119.350350][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.350350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.350350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.350350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.350350][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.350350][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.350350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.350350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.350350][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.350350][ T10] netlink_unicast+0x449/0x710 [ 2119.350350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.350350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.350350][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.350350][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.350350][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.350350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.350350][ T10] [ 2119.352585][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2119.352585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.352585][ T10] ipv6_find_idev+0x102/0x170 [ 2119.352585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.352585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.352585][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.352585][ T10] netlink_unicast+0x449/0x710 [ 2119.352585][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.352585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.352585][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.352585][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.352585][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.352585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.352585][ T10] [ 2119.354110][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2119.354110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.354110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.354110][ T10] ipv6_find_idev+0x102/0x170 [ 2119.354110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.354110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.354110][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.354110][ T10] netlink_unicast+0x449/0x710 [ 2119.354110][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.354110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.354110][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.354110][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.354110][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.354110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.354110][ T10] [ 2119.355822][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2119.356085][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2119.356085][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.356085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.356085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.356085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.356085][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.356085][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.356085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.356085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.356085][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.356085][ T10] netlink_unicast+0x449/0x710 [ 2119.356085][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.356085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.356085][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.356085][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.356085][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.356085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.356085][ T10] [ 2119.358136][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2119.358136][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.358136][ T10] ipv6_find_idev+0x102/0x170 [ 2119.358136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.358136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.358136][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.358136][ T10] netlink_unicast+0x449/0x710 [ 2119.358136][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.358136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.358136][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.358136][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.358136][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.358136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.358136][ T10] [ 2119.359802][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2119.359802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.359802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.359802][ T10] ipv6_find_idev+0x102/0x170 [ 2119.359802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.359802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.359802][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.359802][ T10] netlink_unicast+0x449/0x710 [ 2119.359802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.359802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.359802][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.359802][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.359802][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.359802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.359802][ T10] [ 2119.361643][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2119.361911][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2119.361911][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.361911][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.361911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.361911][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.361911][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.361911][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.361911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.361911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.361911][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.361911][ T10] netlink_unicast+0x449/0x710 [ 2119.361911][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.361911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.361911][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.361911][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.361911][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.361911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.361911][ T10] [ 2119.364057][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2119.364057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.364057][ T10] ipv6_find_idev+0x102/0x170 [ 2119.364057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.364057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.364057][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.364057][ T10] netlink_unicast+0x449/0x710 [ 2119.364057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.364057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.364057][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.364057][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.364057][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.364057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.364057][ T10] [ 2119.365764][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2119.365764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.365764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.365764][ T10] ipv6_find_idev+0x102/0x170 [ 2119.365764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.365764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.365764][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.365764][ T10] netlink_unicast+0x449/0x710 [ 2119.365764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.365764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.365764][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.365764][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.365764][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.365764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.365764][ T10] [ 2119.368080][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2119.368402][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2119.368402][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.368402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.368402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.368402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.368402][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.368402][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.368402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.368402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.368402][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.368402][ T10] netlink_unicast+0x449/0x710 [ 2119.368402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.368402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.368402][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.368402][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.368402][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.368402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.368402][ T10] [ 2119.370423][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2119.370423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.370423][ T10] ipv6_find_idev+0x102/0x170 [ 2119.370423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.370423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.370423][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.370423][ T10] netlink_unicast+0x449/0x710 [ 2119.370423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.370423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.370423][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.370423][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.370423][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.370423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.370423][ T10] [ 2119.372136][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2119.372136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.372136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.372136][ T10] ipv6_find_idev+0x102/0x170 [ 2119.372136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.372136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.372136][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.372136][ T10] netlink_unicast+0x449/0x710 [ 2119.372136][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.372136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.372136][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.372136][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.372136][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.372136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.372136][ T10] [ 2119.374077][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2119.374506][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2119.374506][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.374506][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.374506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.374506][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.374506][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.374506][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.374506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.374506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.374506][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.374506][ T10] netlink_unicast+0x449/0x710 [ 2119.374506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.374506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.374506][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.374506][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.374506][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.374506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.374506][ T10] [ 2119.376517][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2119.376517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.376517][ T10] ipv6_find_idev+0x102/0x170 [ 2119.376517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.376517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.376517][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.376517][ T10] netlink_unicast+0x449/0x710 [ 2119.376517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.376517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.376517][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.376517][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.376517][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.376517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.376517][ T10] [ 2119.378073][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2119.378073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.378073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.378073][ T10] ipv6_find_idev+0x102/0x170 [ 2119.378073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.378073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.378073][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.378073][ T10] netlink_unicast+0x449/0x710 [ 2119.378073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.378073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.378073][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.378073][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.378073][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.378073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.378073][ T10] [ 2119.379822][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2119.380097][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2119.380097][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.380097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.380097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.380097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.380097][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.380097][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.380097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.380097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.380097][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.380097][ T10] netlink_unicast+0x449/0x710 [ 2119.380097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.380097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.380097][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.380097][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.380097][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.380097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.380097][ T10] [ 2119.382108][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2119.382108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.382108][ T10] ipv6_find_idev+0x102/0x170 [ 2119.382108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.382108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.382108][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.382108][ T10] netlink_unicast+0x449/0x710 [ 2119.382108][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.382108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.382108][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.382108][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.382108][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.382108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.382108][ T10] [ 2119.383667][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2119.383667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.383667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.383667][ T10] ipv6_find_idev+0x102/0x170 [ 2119.383667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.383667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.383667][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.383667][ T10] netlink_unicast+0x449/0x710 [ 2119.383667][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.383667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.383667][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.383667][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.383667][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.383667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.383667][ T10] [ 2119.385401][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2119.385669][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2119.385669][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.385669][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.385669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.385669][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.385669][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.385669][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.385669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.385669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.385669][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.385669][ T10] netlink_unicast+0x449/0x710 [ 2119.385669][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.385669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.385669][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.385669][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.385669][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.385669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.385669][ T10] [ 2119.387824][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2119.387824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.387824][ T10] ipv6_find_idev+0x102/0x170 [ 2119.387824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.387824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.387824][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.387824][ T10] netlink_unicast+0x449/0x710 [ 2119.387824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.387824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.387824][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.387824][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.387824][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.387824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.387824][ T10] [ 2119.389512][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2119.389512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.389512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.389512][ T10] ipv6_find_idev+0x102/0x170 [ 2119.389512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.389512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.389512][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.389512][ T10] netlink_unicast+0x449/0x710 [ 2119.389512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.389512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.389512][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.389512][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.389512][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.389512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.389512][ T10] [ 2129.536212][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2129.536548][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2129.536548][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.536548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.536548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.536548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.536548][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.536548][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.536548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.536548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.536548][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.536548][ T10] netlink_unicast+0x449/0x710 [ 2129.536548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.536548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.536548][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.536548][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.536548][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.536548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.536548][ T10] [ 2129.538622][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2129.538622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.538622][ T10] ipv6_find_idev+0x102/0x170 [ 2129.538622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.538622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.538622][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.538622][ T10] netlink_unicast+0x449/0x710 [ 2129.538622][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.538622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.538622][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.538622][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.538622][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.538622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.538622][ T10] [ 2129.540225][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2129.540225][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.540225][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.540225][ T10] ipv6_find_idev+0x102/0x170 [ 2129.540225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.540225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.540225][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.540225][ T10] netlink_unicast+0x449/0x710 [ 2129.540225][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.540225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.540225][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.540225][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.540225][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.540225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.540225][ T10] [ 2129.541948][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2129.542230][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2129.542230][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.542230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.542230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.542230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.542230][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.542230][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.542230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.542230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.542230][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.542230][ T10] netlink_unicast+0x449/0x710 [ 2129.542230][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.542230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.542230][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.542230][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.542230][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.542230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.542230][ T10] [ 2129.544231][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2129.544231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.544231][ T10] ipv6_find_idev+0x102/0x170 [ 2129.544231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.544231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.544231][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.544231][ T10] netlink_unicast+0x449/0x710 [ 2129.544231][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.544231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.544231][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.544231][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.544231][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.544231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.544231][ T10] [ 2129.545806][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2129.545806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.545806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.545806][ T10] ipv6_find_idev+0x102/0x170 [ 2129.545806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.545806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.545806][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.545806][ T10] netlink_unicast+0x449/0x710 [ 2129.545806][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.545806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.545806][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.545806][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.545806][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.545806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.545806][ T10] [ 2129.547505][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2129.547774][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2129.547774][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.547774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.547774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.547774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.547774][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.547774][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.547774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.547774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.547774][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.547774][ T10] netlink_unicast+0x449/0x710 [ 2129.547774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.547774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.547774][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.547774][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.547774][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.547774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.547774][ T10] [ 2129.549790][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2129.549790][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.549790][ T10] ipv6_find_idev+0x102/0x170 [ 2129.549790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.549790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.549790][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.549790][ T10] netlink_unicast+0x449/0x710 [ 2129.549790][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.549790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.549790][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.549790][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.549790][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.549790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.549790][ T10] [ 2129.551339][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2129.551339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.551339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.551339][ T10] ipv6_find_idev+0x102/0x170 [ 2129.551339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.551339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.551339][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.551339][ T10] netlink_unicast+0x449/0x710 [ 2129.551339][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.551339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.551339][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.551339][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.551339][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.551339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.551339][ T10] [ 2129.553166][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2129.553437][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2129.553437][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.553437][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.553437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.553437][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.553437][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.553437][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.553437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.553437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.553437][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.553437][ T10] netlink_unicast+0x449/0x710 [ 2129.553437][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.553437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.553437][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.553437][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.553437][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.553437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.553437][ T10] [ 2129.555636][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2129.555636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.555636][ T10] ipv6_find_idev+0x102/0x170 [ 2129.555636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.555636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.555636][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.555636][ T10] netlink_unicast+0x449/0x710 [ 2129.555636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.555636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.555636][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.555636][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.555636][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.555636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.555636][ T10] [ 2129.557182][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2129.557182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.557182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.557182][ T10] ipv6_find_idev+0x102/0x170 [ 2129.557182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.557182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.557182][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.557182][ T10] netlink_unicast+0x449/0x710 [ 2129.557182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.557182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.557182][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.557182][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.557182][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.557182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.557182][ T10] [ 2129.559521][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2129.559823][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2129.559823][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.559823][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.559823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.559823][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.559823][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.559823][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.559823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.559823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.559823][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.559823][ T10] netlink_unicast+0x449/0x710 [ 2129.559823][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.559823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.559823][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.559823][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.559823][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.559823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.559823][ T10] [ 2129.561817][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2129.561817][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.561817][ T10] ipv6_find_idev+0x102/0x170 [ 2129.561817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.561817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.561817][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.561817][ T10] netlink_unicast+0x449/0x710 [ 2129.561817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.561817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.561817][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.561817][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.561817][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.561817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.561817][ T10] [ 2129.563465][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2129.563465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.563465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.563465][ T10] ipv6_find_idev+0x102/0x170 [ 2129.563465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.563465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.563465][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.563465][ T10] netlink_unicast+0x449/0x710 [ 2129.563465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.563465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.563465][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.563465][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.563465][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.563465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.563465][ T10] [ 2129.565391][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2129.565730][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2129.565730][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.565730][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.565730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.565730][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.565730][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.565730][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.565730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.565730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.565730][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.565730][ T10] netlink_unicast+0x449/0x710 [ 2129.565730][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.565730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.565730][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.565730][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.565730][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.565730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.565730][ T10] [ 2129.567830][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2129.567830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.567830][ T10] ipv6_find_idev+0x102/0x170 [ 2129.567830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.567830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.567830][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.567830][ T10] netlink_unicast+0x449/0x710 [ 2129.567830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.567830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.567830][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.567830][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.567830][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.567830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.567830][ T10] [ 2129.569380][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2129.569380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.569380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.569380][ T10] ipv6_find_idev+0x102/0x170 [ 2129.569380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.569380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.569380][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.569380][ T10] netlink_unicast+0x449/0x710 [ 2129.569380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.569380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.569380][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.569380][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.569380][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.569380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.569380][ T10] [ 2129.571111][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2129.571370][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2129.571370][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.571370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.571370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.571370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.571370][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.571370][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.571370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.571370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.571370][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.571370][ T10] netlink_unicast+0x449/0x710 [ 2129.571370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.571370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.571370][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.571370][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.571370][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.571370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.571370][ T10] [ 2129.573431][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2129.573431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.573431][ T10] ipv6_find_idev+0x102/0x170 [ 2129.573431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.573431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.573431][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.573431][ T10] netlink_unicast+0x449/0x710 [ 2129.573431][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.573431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.573431][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.573431][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.573431][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.573431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.573431][ T10] [ 2129.575179][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2129.575179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.575179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.575179][ T10] ipv6_find_idev+0x102/0x170 [ 2129.575179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.575179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.575179][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.575179][ T10] netlink_unicast+0x449/0x710 [ 2129.575179][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.575179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.575179][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.575179][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.575179][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.575179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.575179][ T10] [ 2129.577040][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2129.577367][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2129.577367][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.577367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.577367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.577367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.577367][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.577367][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.577367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.577367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.577367][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.577367][ T10] netlink_unicast+0x449/0x710 [ 2129.577367][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.577367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.577367][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.577367][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.577367][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.577367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.577367][ T10] [ 2129.579607][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2129.579607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.579607][ T10] ipv6_find_idev+0x102/0x170 [ 2129.579607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.579607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.579607][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.579607][ T10] netlink_unicast+0x449/0x710 [ 2129.579607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.579607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.579607][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.579607][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.579607][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.579607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.579607][ T10] [ 2129.581305][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2129.581305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.581305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.581305][ T10] ipv6_find_idev+0x102/0x170 [ 2129.581305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.581305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.581305][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.581305][ T10] netlink_unicast+0x449/0x710 [ 2129.581305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.581305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.581305][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.581305][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.581305][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.581305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.581305][ T10] [ 2139.689221][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2139.689624][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2139.689624][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.689624][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.689624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.689624][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.689624][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.689624][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.689624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.689624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.689624][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.689624][ T10] netlink_unicast+0x449/0x710 [ 2139.689624][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.689624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.689624][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.689624][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.689624][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.689624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.689624][ T10] [ 2139.691709][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2139.691709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.691709][ T10] ipv6_find_idev+0x102/0x170 [ 2139.691709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.691709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.691709][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.691709][ T10] netlink_unicast+0x449/0x710 [ 2139.691709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.691709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.691709][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.691709][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.691709][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.691709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.691709][ T10] [ 2139.693305][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2139.693305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.693305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.693305][ T10] ipv6_find_idev+0x102/0x170 [ 2139.693305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.693305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.693305][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.693305][ T10] netlink_unicast+0x449/0x710 [ 2139.693305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.693305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.693305][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.693305][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.693305][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.693305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.693305][ T10] [ 2139.695053][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2139.695344][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2139.695344][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.695344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.695344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.695344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.695344][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.695344][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.695344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.695344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.695344][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.695344][ T10] netlink_unicast+0x449/0x710 [ 2139.695344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.695344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.695344][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.695344][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.695344][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.695344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.695344][ T10] [ 2139.697371][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2139.697371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.697371][ T10] ipv6_find_idev+0x102/0x170 [ 2139.697371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.697371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.697371][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.697371][ T10] netlink_unicast+0x449/0x710 [ 2139.697371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.697371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.697371][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.697371][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.697371][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.697371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.697371][ T10] [ 2139.698930][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2139.698930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.698930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.698930][ T10] ipv6_find_idev+0x102/0x170 [ 2139.698930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.698930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.698930][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.698930][ T10] netlink_unicast+0x449/0x710 [ 2139.698930][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.698930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.698930][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.698930][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.698930][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.698930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.698930][ T10] [ 2139.700602][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2139.700865][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2139.700865][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.700865][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.700865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.700865][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.700865][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.700865][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.700865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.700865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.700865][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.700865][ T10] netlink_unicast+0x449/0x710 [ 2139.700865][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.700865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.700865][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.700865][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.700865][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.700865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.700865][ T10] [ 2139.702858][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2139.702858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.702858][ T10] ipv6_find_idev+0x102/0x170 [ 2139.702858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.702858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.702858][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.702858][ T10] netlink_unicast+0x449/0x710 [ 2139.702858][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.702858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.702858][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.702858][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.702858][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.702858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.702858][ T10] [ 2139.704546][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2139.704546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.704546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.704546][ T10] ipv6_find_idev+0x102/0x170 [ 2139.704546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.704546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.704546][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.704546][ T10] netlink_unicast+0x449/0x710 [ 2139.704546][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.704546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.704546][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.704546][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.704546][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.704546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.704546][ T10] [ 2139.706557][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2139.706822][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2139.706822][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.706822][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.706822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.706822][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.706822][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.706822][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.706822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.706822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.706822][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.706822][ T10] netlink_unicast+0x449/0x710 [ 2139.706822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.706822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.706822][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.706822][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.706822][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.706822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.706822][ T10] [ 2139.709046][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2139.709046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.709046][ T10] ipv6_find_idev+0x102/0x170 [ 2139.709046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.709046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.709046][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.709046][ T10] netlink_unicast+0x449/0x710 [ 2139.709046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.709046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.709046][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.709046][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.709046][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.709046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.709046][ T10] [ 2139.710743][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2139.710743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.710743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.710743][ T10] ipv6_find_idev+0x102/0x170 [ 2139.710743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.710743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.710743][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.710743][ T10] netlink_unicast+0x449/0x710 [ 2139.710743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.710743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.710743][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.710743][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.710743][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.710743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.710743][ T10] [ 2139.712777][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2139.713063][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2139.713063][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.713063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.713063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.713063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.713063][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.713063][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.713063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.713063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.713063][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.713063][ T10] netlink_unicast+0x449/0x710 [ 2139.713063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.713063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.713063][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.713063][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.713063][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.713063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.713063][ T10] [ 2139.715150][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2139.715150][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.715150][ T10] ipv6_find_idev+0x102/0x170 [ 2139.715150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.715150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.715150][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.715150][ T10] netlink_unicast+0x449/0x710 [ 2139.715150][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.715150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.715150][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.715150][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.715150][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.715150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.715150][ T10] [ 2139.716781][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2139.716781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.716781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.716781][ T10] ipv6_find_idev+0x102/0x170 [ 2139.716781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.716781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.716781][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.716781][ T10] netlink_unicast+0x449/0x710 [ 2139.716781][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.716781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.716781][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.716781][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.716781][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.716781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.716781][ T10] [ 2139.719313][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2139.719598][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2139.719598][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.719598][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.719598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.719598][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.719598][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.719598][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.719598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.719598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.719598][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.719598][ T10] netlink_unicast+0x449/0x710 [ 2139.719598][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.719598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.719598][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.719598][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.719598][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.719598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.719598][ T10] [ 2139.721717][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2139.721717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.721717][ T10] ipv6_find_idev+0x102/0x170 [ 2139.721717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.721717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.721717][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.721717][ T10] netlink_unicast+0x449/0x710 [ 2139.721717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.721717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.721717][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.721717][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.721717][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.721717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.721717][ T10] [ 2139.723566][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2139.723566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.723566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.723566][ T10] ipv6_find_idev+0x102/0x170 [ 2139.723566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.723566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.723566][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.723566][ T10] netlink_unicast+0x449/0x710 [ 2139.723566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.723566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.723566][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.723566][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.723566][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.723566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.723566][ T10] [ 2139.725474][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2139.725752][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2139.725752][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.725752][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.725752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.725752][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.725752][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.725752][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.725752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.725752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.725752][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.725752][ T10] netlink_unicast+0x449/0x710 [ 2139.725752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.725752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.725752][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.725752][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.725752][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.725752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.725752][ T10] [ 2139.727747][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2139.727747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.727747][ T10] ipv6_find_idev+0x102/0x170 [ 2139.727747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.727747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.727747][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.727747][ T10] netlink_unicast+0x449/0x710 [ 2139.727747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.727747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.727747][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.727747][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.727747][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.727747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.727747][ T10] [ 2139.729295][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2139.729295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.729295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.729295][ T10] ipv6_find_idev+0x102/0x170 [ 2139.729295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.729295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.729295][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.729295][ T10] netlink_unicast+0x449/0x710 [ 2139.729295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.729295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.729295][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.729295][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.729295][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.729295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.729295][ T10] [ 2139.731035][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2139.731359][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2139.731359][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.731359][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.731359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.731359][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.731359][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.731359][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.731359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.731359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.731359][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.731359][ T10] netlink_unicast+0x449/0x710 [ 2139.731359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.731359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.731359][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.731359][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.731359][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.731359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.731359][ T10] [ 2139.733415][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2139.733415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.733415][ T10] ipv6_find_idev+0x102/0x170 [ 2139.733415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.733415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.733415][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.733415][ T10] netlink_unicast+0x449/0x710 [ 2139.733415][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.733415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.733415][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.733415][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.733415][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.733415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.733415][ T10] [ 2139.735013][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2139.735013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.735013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.735013][ T10] ipv6_find_idev+0x102/0x170 [ 2139.735013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.735013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.735013][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.735013][ T10] netlink_unicast+0x449/0x710 [ 2139.735013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.735013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.735013][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.735013][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.735013][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.735013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.735013][ T10] [ 2149.872230][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2149.872580][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2149.872580][ T10] netdev_get_by_index+0x5e/0x80 [ 2149.872580][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2149.872580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2149.872580][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2149.872580][ T10] ipv6_add_addr+0x411/0x2000 [ 2149.872580][ T10] inet6_addr_add+0x30e/0xa40 [ 2149.872580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2149.872580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.872580][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.872580][ T10] netlink_unicast+0x449/0x710 [ 2149.872580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.872580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.872580][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.872580][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.872580][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.872580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.872580][ T10] [ 2149.874653][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2149.874653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2149.874653][ T10] ipv6_find_idev+0x102/0x170 [ 2149.874653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.874653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.874653][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.874653][ T10] netlink_unicast+0x449/0x710 [ 2149.874653][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.874653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.874653][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.874653][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.874653][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.874653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.874653][ T10] [ 2149.876231][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2149.876231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2149.876231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2149.876231][ T10] ipv6_find_idev+0x102/0x170 [ 2149.876231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.876231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.876231][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.876231][ T10] netlink_unicast+0x449/0x710 [ 2149.876231][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.876231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.876231][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.876231][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.876231][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.876231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.876231][ T10] [ 2149.877959][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2149.878247][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2149.878247][ T10] netdev_get_by_index+0x5e/0x80 [ 2149.878247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2149.878247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2149.878247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2149.878247][ T10] ipv6_add_addr+0x411/0x2000 [ 2149.878247][ T10] inet6_addr_add+0x30e/0xa40 [ 2149.878247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2149.878247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.878247][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.878247][ T10] netlink_unicast+0x449/0x710 [ 2149.878247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.878247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.878247][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.878247][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.878247][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.878247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.878247][ T10] [ 2149.880337][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2149.880337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2149.880337][ T10] ipv6_find_idev+0x102/0x170 [ 2149.880337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.880337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.880337][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.880337][ T10] netlink_unicast+0x449/0x710 [ 2149.880337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.880337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.880337][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.880337][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.880337][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.880337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.880337][ T10] [ 2149.881952][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2149.881952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2149.881952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2149.881952][ T10] ipv6_find_idev+0x102/0x170 [ 2149.881952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.881952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.881952][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.881952][ T10] netlink_unicast+0x449/0x710 [ 2149.881952][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.881952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.881952][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.881952][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.881952][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.881952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.881952][ T10] [ 2149.883719][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2149.883997][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2149.883997][ T10] netdev_get_by_index+0x5e/0x80 [ 2149.883997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2149.883997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2149.883997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2149.883997][ T10] ipv6_add_addr+0x411/0x2000 [ 2149.883997][ T10] inet6_addr_add+0x30e/0xa40 [ 2149.883997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2149.883997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.883997][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.883997][ T10] netlink_unicast+0x449/0x710 [ 2149.883997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.883997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.883997][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.883997][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.883997][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.883997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.883997][ T10] [ 2149.886086][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2149.886086][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2149.886086][ T10] ipv6_find_idev+0x102/0x170 [ 2149.886086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.886086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.886086][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.886086][ T10] netlink_unicast+0x449/0x710 [ 2149.886086][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.886086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.886086][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.886086][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.886086][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.886086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.886086][ T10] [ 2149.887686][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2149.887686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2149.887686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2149.887686][ T10] ipv6_find_idev+0x102/0x170 [ 2149.887686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.887686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.887686][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.887686][ T10] netlink_unicast+0x449/0x710 [ 2149.887686][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.887686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.887686][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.887686][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.887686][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.887686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.887686][ T10] [ 2149.889439][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2149.889725][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2149.889725][ T10] netdev_get_by_index+0x5e/0x80 [ 2149.889725][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2149.889725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2149.889725][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2149.889725][ T10] ipv6_add_addr+0x411/0x2000 [ 2149.889725][ T10] inet6_addr_add+0x30e/0xa40 [ 2149.889725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2149.889725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.889725][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.889725][ T10] netlink_unicast+0x449/0x710 [ 2149.889725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.889725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.889725][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.889725][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.889725][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.889725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.889725][ T10] [ 2149.891794][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2149.891794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2149.891794][ T10] ipv6_find_idev+0x102/0x170 [ 2149.891794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.891794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.891794][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.891794][ T10] netlink_unicast+0x449/0x710 [ 2149.891794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.891794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.891794][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.891794][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.891794][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.891794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.891794][ T10] [ 2149.893499][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2149.893499][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2149.893499][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2149.893499][ T10] ipv6_find_idev+0x102/0x170 [ 2149.893499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.893499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.893499][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.893499][ T10] netlink_unicast+0x449/0x710 [ 2149.893499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.893499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.893499][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.893499][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.893499][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.893499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.893499][ T10] [ 2149.895474][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2149.895757][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2149.895757][ T10] netdev_get_by_index+0x5e/0x80 [ 2149.895757][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2149.895757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2149.895757][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2149.895757][ T10] ipv6_add_addr+0x411/0x2000 [ 2149.895757][ T10] inet6_addr_add+0x30e/0xa40 [ 2149.895757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2149.895757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.895757][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.895757][ T10] netlink_unicast+0x449/0x710 [ 2149.895757][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.895757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.895757][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.895757][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.895757][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.895757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.895757][ T10] [ 2149.898052][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2149.898052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2149.898052][ T10] ipv6_find_idev+0x102/0x170 [ 2149.898052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.898052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.898052][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.898052][ T10] netlink_unicast+0x449/0x710 [ 2149.898052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.898052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.898052][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.898052][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.898052][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.898052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.898052][ T10] [ 2149.899816][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2149.899816][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2149.899816][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2149.899816][ T10] ipv6_find_idev+0x102/0x170 [ 2149.899816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.899816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.899816][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.899816][ T10] netlink_unicast+0x449/0x710 [ 2149.899816][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.899816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.899816][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.899816][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.899816][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.899816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.899816][ T10] [ 2149.902122][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2149.902849][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2149.902849][ T10] netdev_get_by_index+0x5e/0x80 [ 2149.902849][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2149.902849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2149.902849][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2149.902849][ T10] ipv6_add_addr+0x411/0x2000 [ 2149.902849][ T10] inet6_addr_add+0x30e/0xa40 [ 2149.902849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2149.902849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.902849][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.902849][ T10] netlink_unicast+0x449/0x710 [ 2149.902849][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.902849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.902849][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.902849][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.902849][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.902849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.902849][ T10] [ 2149.904966][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2149.904966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2149.904966][ T10] ipv6_find_idev+0x102/0x170 [ 2149.904966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.904966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.904966][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.904966][ T10] netlink_unicast+0x449/0x710 [ 2149.904966][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.904966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.904966][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.904966][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.904966][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.904966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.904966][ T10] [ 2149.906668][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2149.906668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2149.906668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2149.906668][ T10] ipv6_find_idev+0x102/0x170 [ 2149.906668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.906668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.906668][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.906668][ T10] netlink_unicast+0x449/0x710 [ 2149.906668][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.906668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.906668][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.906668][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.906668][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.906668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.906668][ T10] [ 2149.908635][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2149.908969][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2149.908969][ T10] netdev_get_by_index+0x5e/0x80 [ 2149.908969][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2149.908969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2149.908969][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2149.908969][ T10] ipv6_add_addr+0x411/0x2000 [ 2149.908969][ T10] inet6_addr_add+0x30e/0xa40 [ 2149.908969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2149.908969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.908969][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.908969][ T10] netlink_unicast+0x449/0x710 [ 2149.908969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.908969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.908969][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.908969][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.908969][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.908969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.908969][ T10] [ 2149.911106][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2149.911106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2149.911106][ T10] ipv6_find_idev+0x102/0x170 [ 2149.911106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.911106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.911106][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.911106][ T10] netlink_unicast+0x449/0x710 [ 2149.911106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.911106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.911106][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.911106][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.911106][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.911106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.911106][ T10] [ 2149.912658][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2149.912658][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2149.912658][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2149.912658][ T10] ipv6_find_idev+0x102/0x170 [ 2149.912658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.912658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.912658][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.912658][ T10] netlink_unicast+0x449/0x710 [ 2149.912658][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.912658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.912658][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.912658][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.912658][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.912658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.912658][ T10] [ 2149.914458][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2149.914787][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2149.914787][ T10] netdev_get_by_index+0x5e/0x80 [ 2149.914787][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2149.914787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2149.914787][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2149.914787][ T10] ipv6_add_addr+0x411/0x2000 [ 2149.914787][ T10] inet6_addr_add+0x30e/0xa40 [ 2149.914787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2149.914787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.914787][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.914787][ T10] netlink_unicast+0x449/0x710 [ 2149.914787][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.914787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.914787][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.914787][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.914787][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.914787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.914787][ T10] [ 2149.916918][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2149.916918][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2149.916918][ T10] ipv6_find_idev+0x102/0x170 [ 2149.916918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.916918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.916918][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.916918][ T10] netlink_unicast+0x449/0x710 [ 2149.916918][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.916918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.916918][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.916918][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.916918][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.916918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.916918][ T10] [ 2149.918583][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2149.918583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2149.918583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2149.918583][ T10] ipv6_find_idev+0x102/0x170 [ 2149.918583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2149.918583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2149.918583][ T10] netlink_rcv_skb+0x130/0x360 [ 2149.918583][ T10] netlink_unicast+0x449/0x710 [ 2149.918583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2149.918583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2149.918583][ T10] ___sys_sendmsg+0xee/0x170 [ 2149.918583][ T10] __sys_sendmsg+0xcd/0x170 [ 2149.918583][ T10] do_syscall_64+0xc6/0x1e0 [ 2149.918583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2149.918583][ T10] [ 2156.031205][ T9569] ip (9569) used greatest stack depth: 23552 bytes left [ 2160.065113][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2160.065462][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2160.065462][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.065462][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.065462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.065462][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.065462][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.065462][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.065462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.065462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.065462][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.065462][ T10] netlink_unicast+0x449/0x710 [ 2160.065462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.065462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.065462][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.065462][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.065462][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.065462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.065462][ T10] [ 2160.067532][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2160.067532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.067532][ T10] ipv6_find_idev+0x102/0x170 [ 2160.067532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.067532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.067532][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.067532][ T10] netlink_unicast+0x449/0x710 [ 2160.067532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.067532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.067532][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.067532][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.067532][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.067532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.067532][ T10] [ 2160.069077][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2160.069077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.069077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.069077][ T10] ipv6_find_idev+0x102/0x170 [ 2160.069077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.069077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.069077][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.069077][ T10] netlink_unicast+0x449/0x710 [ 2160.069077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.069077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.069077][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.069077][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.069077][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.069077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.069077][ T10] [ 2160.070788][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2160.071066][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2160.071066][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.071066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.071066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.071066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.071066][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.071066][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.071066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.071066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.071066][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.071066][ T10] netlink_unicast+0x449/0x710 [ 2160.071066][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.071066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.071066][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.071066][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.071066][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.071066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.071066][ T10] [ 2160.073106][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2160.073106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.073106][ T10] ipv6_find_idev+0x102/0x170 [ 2160.073106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.073106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.073106][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.073106][ T10] netlink_unicast+0x449/0x710 [ 2160.073106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.073106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.073106][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.073106][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.073106][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.073106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.073106][ T10] [ 2160.074681][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2160.074681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.074681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.074681][ T10] ipv6_find_idev+0x102/0x170 [ 2160.074681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.074681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.074681][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.074681][ T10] netlink_unicast+0x449/0x710 [ 2160.074681][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.074681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.074681][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.074681][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.074681][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.074681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.074681][ T10] [ 2160.076406][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2160.076685][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2160.076685][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.076685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.076685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.076685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.076685][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.076685][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.076685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.076685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.076685][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.076685][ T10] netlink_unicast+0x449/0x710 [ 2160.076685][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.076685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.076685][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.076685][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.076685][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.076685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.076685][ T10] [ 2160.078716][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2160.078716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.078716][ T10] ipv6_find_idev+0x102/0x170 [ 2160.078716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.078716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.078716][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.078716][ T10] netlink_unicast+0x449/0x710 [ 2160.078716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.078716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.078716][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.078716][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.078716][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.078716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.078716][ T10] [ 2160.080278][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2160.080278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.080278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.080278][ T10] ipv6_find_idev+0x102/0x170 [ 2160.080278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.080278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.080278][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.080278][ T10] netlink_unicast+0x449/0x710 [ 2160.080278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.080278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.080278][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.080278][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.080278][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.080278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.080278][ T10] [ 2160.081988][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2160.082275][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2160.082275][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.082275][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.082275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.082275][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.082275][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.082275][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.082275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.082275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.082275][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.082275][ T10] netlink_unicast+0x449/0x710 [ 2160.082275][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.082275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.082275][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.082275][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.082275][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.082275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.082275][ T10] [ 2160.084425][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2160.084425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.084425][ T10] ipv6_find_idev+0x102/0x170 [ 2160.084425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.084425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.084425][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.084425][ T10] netlink_unicast+0x449/0x710 [ 2160.084425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.084425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.084425][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.084425][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.084425][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.084425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.084425][ T10] [ 2160.086120][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2160.086120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.086120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.086120][ T10] ipv6_find_idev+0x102/0x170 [ 2160.086120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.086120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.086120][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.086120][ T10] netlink_unicast+0x449/0x710 [ 2160.086120][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.086120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.086120][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.086120][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.086120][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.086120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.086120][ T10] [ 2160.088030][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2160.088799][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2160.088799][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.088799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.088799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.088799][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.088799][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.088799][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.088799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.088799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.088799][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.088799][ T10] netlink_unicast+0x449/0x710 [ 2160.088799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.088799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.088799][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.088799][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.088799][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.088799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.088799][ T10] [ 2160.090818][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2160.090818][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.090818][ T10] ipv6_find_idev+0x102/0x170 [ 2160.090818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.090818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.090818][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.090818][ T10] netlink_unicast+0x449/0x710 [ 2160.090818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.090818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.090818][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.090818][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.090818][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.090818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.090818][ T10] [ 2160.092445][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2160.092445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.092445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.092445][ T10] ipv6_find_idev+0x102/0x170 [ 2160.092445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.092445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.092445][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.092445][ T10] netlink_unicast+0x449/0x710 [ 2160.092445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.092445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.092445][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.092445][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.092445][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.092445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.092445][ T10] [ 2160.094439][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2160.094725][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2160.094725][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.094725][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.094725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.094725][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.094725][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.094725][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.094725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.094725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.094725][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.094725][ T10] netlink_unicast+0x449/0x710 [ 2160.094725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.094725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.094725][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.094725][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.094725][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.094725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.094725][ T10] [ 2160.096966][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2160.096966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.096966][ T10] ipv6_find_idev+0x102/0x170 [ 2160.096966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.096966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.096966][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.096966][ T10] netlink_unicast+0x449/0x710 [ 2160.096966][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.096966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.096966][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.096966][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.096966][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.096966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.096966][ T10] [ 2160.098605][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2160.098605][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.098605][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.098605][ T10] ipv6_find_idev+0x102/0x170 [ 2160.098605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.098605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.098605][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.098605][ T10] netlink_unicast+0x449/0x710 [ 2160.098605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.098605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.098605][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.098605][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.098605][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.098605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.098605][ T10] [ 2160.100590][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2160.100870][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2160.100870][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.100870][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.100870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.100870][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.100870][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.100870][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.100870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.100870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.100870][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.100870][ T10] netlink_unicast+0x449/0x710 [ 2160.100870][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.100870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.100870][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.100870][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.100870][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.100870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.100870][ T10] [ 2160.103013][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2160.103013][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.103013][ T10] ipv6_find_idev+0x102/0x170 [ 2160.103013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.103013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.103013][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.103013][ T10] netlink_unicast+0x449/0x710 [ 2160.103013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.103013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.103013][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.103013][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.103013][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.103013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.103013][ T10] [ 2160.104767][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2160.104767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.104767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.104767][ T10] ipv6_find_idev+0x102/0x170 [ 2160.104767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.104767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.104767][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.104767][ T10] netlink_unicast+0x449/0x710 [ 2160.104767][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.104767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.104767][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.104767][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.104767][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.104767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.104767][ T10] [ 2160.106730][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2160.107071][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2160.107071][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.107071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.107071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.107071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.107071][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.107071][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.107071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.107071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.107071][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.107071][ T10] netlink_unicast+0x449/0x710 [ 2160.107071][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.107071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.107071][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.107071][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.107071][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.107071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.107071][ T10] [ 2160.109228][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2160.109228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.109228][ T10] ipv6_find_idev+0x102/0x170 [ 2160.109228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.109228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.109228][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.109228][ T10] netlink_unicast+0x449/0x710 [ 2160.109228][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.109228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.109228][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.109228][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.109228][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.109228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.109228][ T10] [ 2160.110920][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2160.110920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.110920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.110920][ T10] ipv6_find_idev+0x102/0x170 [ 2160.110920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.110920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.110920][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.110920][ T10] netlink_unicast+0x449/0x710 [ 2160.110920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.110920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.110920][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.110920][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.110920][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.110920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.110920][ T10] [ 2170.152210][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2170.152829][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2170.152829][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.152829][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.152829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.152829][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.152829][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.152829][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.152829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.152829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.152829][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.152829][ T10] netlink_unicast+0x449/0x710 [ 2170.152829][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.152829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.152829][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.152829][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.152829][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.152829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.152829][ T10] [ 2170.155442][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2170.155442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.155442][ T10] ipv6_find_idev+0x102/0x170 [ 2170.155442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.155442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.155442][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.155442][ T10] netlink_unicast+0x449/0x710 [ 2170.155442][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.155442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.155442][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.155442][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.155442][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.155442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.155442][ T10] [ 2170.157239][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2170.157239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.157239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.157239][ T10] ipv6_find_idev+0x102/0x170 [ 2170.157239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.157239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.157239][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.157239][ T10] netlink_unicast+0x449/0x710 [ 2170.157239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.157239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.157239][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.157239][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.157239][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.157239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.157239][ T10] [ 2170.159131][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2170.159434][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2170.159434][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.159434][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.159434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.159434][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.159434][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.159434][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.159434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.159434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.159434][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.159434][ T10] netlink_unicast+0x449/0x710 [ 2170.159434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.159434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.159434][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.159434][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.159434][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.159434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.159434][ T10] [ 2170.161673][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2170.161673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.161673][ T10] ipv6_find_idev+0x102/0x170 [ 2170.161673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.161673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.161673][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.161673][ T10] netlink_unicast+0x449/0x710 [ 2170.161673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.161673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.161673][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.161673][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.161673][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.161673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.161673][ T10] [ 2170.163383][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2170.163383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.163383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.163383][ T10] ipv6_find_idev+0x102/0x170 [ 2170.163383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.163383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.163383][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.163383][ T10] netlink_unicast+0x449/0x710 [ 2170.163383][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.163383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.163383][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.163383][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.163383][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.163383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.163383][ T10] [ 2170.165263][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2170.165556][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2170.165556][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.165556][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.165556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.165556][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.165556][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.165556][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.165556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.165556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.165556][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.165556][ T10] netlink_unicast+0x449/0x710 [ 2170.165556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.165556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.165556][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.165556][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.165556][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.165556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.165556][ T10] [ 2170.167791][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2170.167791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.167791][ T10] ipv6_find_idev+0x102/0x170 [ 2170.167791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.167791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.167791][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.167791][ T10] netlink_unicast+0x449/0x710 [ 2170.167791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.167791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.167791][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.167791][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.167791][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.167791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.167791][ T10] [ 2170.169503][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2170.169503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.169503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.169503][ T10] ipv6_find_idev+0x102/0x170 [ 2170.169503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.169503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.169503][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.169503][ T10] netlink_unicast+0x449/0x710 [ 2170.169503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.169503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.169503][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.169503][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.169503][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.169503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.169503][ T10] [ 2170.171385][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2170.171696][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2170.171696][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.171696][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.171696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.171696][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.171696][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.171696][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.171696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.171696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.171696][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.171696][ T10] netlink_unicast+0x449/0x710 [ 2170.171696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.171696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.171696][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.171696][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.171696][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.171696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.171696][ T10] [ 2170.173906][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2170.173906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.173906][ T10] ipv6_find_idev+0x102/0x170 [ 2170.173906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.173906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.173906][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.173906][ T10] netlink_unicast+0x449/0x710 [ 2170.173906][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.173906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.173906][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.173906][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.173906][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.173906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.173906][ T10] [ 2170.175634][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2170.175634][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.175634][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.175634][ T10] ipv6_find_idev+0x102/0x170 [ 2170.175634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.175634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.175634][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.175634][ T10] netlink_unicast+0x449/0x710 [ 2170.175634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.175634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.175634][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.175634][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.175634][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.175634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.175634][ T10] [ 2170.177525][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2170.177817][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2170.177817][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.177817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.177817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.177817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.177817][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.177817][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.177817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.177817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.177817][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.177817][ T10] netlink_unicast+0x449/0x710 [ 2170.177817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.177817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.177817][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.177817][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.177817][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.177817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.177817][ T10] [ 2170.180052][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2170.180052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.180052][ T10] ipv6_find_idev+0x102/0x170 [ 2170.180052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.180052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.180052][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.180052][ T10] netlink_unicast+0x449/0x710 [ 2170.180052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.180052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.180052][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.180052][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.180052][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.180052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.180052][ T10] [ 2170.181841][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2170.181841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.181841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.181841][ T10] ipv6_find_idev+0x102/0x170 [ 2170.181841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.181841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.181841][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.181841][ T10] netlink_unicast+0x449/0x710 [ 2170.181841][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.181841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.181841][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.181841][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.181841][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.181841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.181841][ T10] [ 2170.184013][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2170.184371][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2170.184371][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.184371][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.184371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.184371][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.184371][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.184371][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.184371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.184371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.184371][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.184371][ T10] netlink_unicast+0x449/0x710 [ 2170.184371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.184371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.184371][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.184371][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.184371][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.184371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.184371][ T10] [ 2170.186782][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2170.186782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.186782][ T10] ipv6_find_idev+0x102/0x170 [ 2170.186782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.186782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.186782][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.186782][ T10] netlink_unicast+0x449/0x710 [ 2170.186782][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.186782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.186782][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.186782][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.186782][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.186782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.186782][ T10] [ 2170.188690][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2170.188690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.188690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.188690][ T10] ipv6_find_idev+0x102/0x170 [ 2170.188690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.188690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.188690][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.188690][ T10] netlink_unicast+0x449/0x710 [ 2170.188690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.188690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.188690][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.188690][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.188690][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.188690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.188690][ T10] [ 2170.190814][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2170.191113][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2170.191113][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.191113][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.191113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.191113][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.191113][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.191113][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.191113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.191113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.191113][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.191113][ T10] netlink_unicast+0x449/0x710 [ 2170.191113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.191113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.191113][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.191113][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.191113][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.191113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.191113][ T10] [ 2170.193590][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2170.193590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.193590][ T10] ipv6_find_idev+0x102/0x170 [ 2170.193590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.193590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.193590][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.193590][ T10] netlink_unicast+0x449/0x710 [ 2170.193590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.193590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.193590][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.193590][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.193590][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.193590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.193590][ T10] [ 2170.195554][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2170.195554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.195554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.195554][ T10] ipv6_find_idev+0x102/0x170 [ 2170.195554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.195554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.195554][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.195554][ T10] netlink_unicast+0x449/0x710 [ 2170.195554][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.195554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.195554][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.195554][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.195554][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.195554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.195554][ T10] [ 2170.197603][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2170.197884][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2170.197884][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.197884][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.197884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.197884][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.197884][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.197884][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.197884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.197884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.197884][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.197884][ T10] netlink_unicast+0x449/0x710 [ 2170.197884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.197884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.197884][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.197884][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.197884][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.197884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.197884][ T10] [ 2170.200317][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2170.200317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.200317][ T10] ipv6_find_idev+0x102/0x170 [ 2170.200317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.200317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.200317][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.200317][ T10] netlink_unicast+0x449/0x710 [ 2170.200317][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.200317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.200317][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.200317][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.200317][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.200317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.200317][ T10] [ 2170.202182][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2170.202182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.202182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.202182][ T10] ipv6_find_idev+0x102/0x170 [ 2170.202182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.202182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.202182][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.202182][ T10] netlink_unicast+0x449/0x710 [ 2170.202182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.202182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.202182][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.202182][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.202182][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.202182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.202182][ T10] [ 2180.440297][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2180.441434][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2180.441434][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.441434][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.441434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.441434][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.441434][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.441434][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.441434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.441434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.441434][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.441434][ T10] netlink_unicast+0x449/0x710 [ 2180.441434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.441434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.441434][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.441434][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.441434][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.441434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.441434][ T10] [ 2180.443472][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2180.443472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.443472][ T10] ipv6_find_idev+0x102/0x170 [ 2180.443472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.443472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.443472][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.443472][ T10] netlink_unicast+0x449/0x710 [ 2180.443472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.443472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.443472][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.443472][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.443472][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.443472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.443472][ T10] [ 2180.445041][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2180.445041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.445041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.445041][ T10] ipv6_find_idev+0x102/0x170 [ 2180.445041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.445041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.445041][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.445041][ T10] netlink_unicast+0x449/0x710 [ 2180.445041][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.445041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.445041][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.445041][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.445041][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.445041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.445041][ T10] [ 2180.446749][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2180.447023][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2180.447023][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.447023][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.447023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.447023][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.447023][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.447023][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.447023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.447023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.447023][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.447023][ T10] netlink_unicast+0x449/0x710 [ 2180.447023][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.447023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.447023][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.447023][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.447023][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.447023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.447023][ T10] [ 2180.449001][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2180.449001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.449001][ T10] ipv6_find_idev+0x102/0x170 [ 2180.449001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.449001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.449001][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.449001][ T10] netlink_unicast+0x449/0x710 [ 2180.449001][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.449001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.449001][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.449001][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.449001][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.449001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.449001][ T10] [ 2180.450449][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2180.450449][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.450449][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.450449][ T10] ipv6_find_idev+0x102/0x170 [ 2180.450449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.450449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.450449][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.450449][ T10] netlink_unicast+0x449/0x710 [ 2180.450449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.450449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.450449][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.450449][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.450449][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.450449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.450449][ T10] [ 2180.452020][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2180.452359][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2180.452359][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.452359][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.452359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.452359][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.452359][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.452359][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.452359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.452359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.452359][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.452359][ T10] netlink_unicast+0x449/0x710 [ 2180.452359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.452359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.452359][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.452359][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.452359][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.452359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.452359][ T10] [ 2180.454351][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2180.454351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.454351][ T10] ipv6_find_idev+0x102/0x170 [ 2180.454351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.454351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.454351][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.454351][ T10] netlink_unicast+0x449/0x710 [ 2180.454351][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.454351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.454351][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.454351][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.454351][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.454351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.454351][ T10] [ 2180.455908][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2180.455908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.455908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.455908][ T10] ipv6_find_idev+0x102/0x170 [ 2180.455908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.455908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.455908][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.455908][ T10] netlink_unicast+0x449/0x710 [ 2180.455908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.455908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.455908][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.455908][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.455908][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.455908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.455908][ T10] [ 2180.457471][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2180.457754][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2180.457754][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.457754][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.457754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.457754][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.457754][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.457754][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.457754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.457754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.457754][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.457754][ T10] netlink_unicast+0x449/0x710 [ 2180.457754][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.457754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.457754][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.457754][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.457754][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.457754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.457754][ T10] [ 2180.459761][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2180.459761][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.459761][ T10] ipv6_find_idev+0x102/0x170 [ 2180.459761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.459761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.459761][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.459761][ T10] netlink_unicast+0x449/0x710 [ 2180.459761][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.459761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.459761][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.459761][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.459761][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.459761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.459761][ T10] [ 2180.461250][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2180.461250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.461250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.461250][ T10] ipv6_find_idev+0x102/0x170 [ 2180.461250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.461250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.461250][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.461250][ T10] netlink_unicast+0x449/0x710 [ 2180.461250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.461250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.461250][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.461250][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.461250][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.461250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.461250][ T10] [ 2180.462908][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2180.463615][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2180.463615][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.463615][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.463615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.463615][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.463615][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.463615][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.463615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.463615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.463615][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.463615][ T10] netlink_unicast+0x449/0x710 [ 2180.463615][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.463615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.463615][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.463615][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.463615][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.463615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.463615][ T10] [ 2180.465632][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2180.465632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.465632][ T10] ipv6_find_idev+0x102/0x170 [ 2180.465632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.465632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.465632][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.465632][ T10] netlink_unicast+0x449/0x710 [ 2180.465632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.465632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.465632][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.465632][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.465632][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.465632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.465632][ T10] [ 2180.467128][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2180.467128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.467128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.467128][ T10] ipv6_find_idev+0x102/0x170 [ 2180.467128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.467128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.467128][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.467128][ T10] netlink_unicast+0x449/0x710 [ 2180.467128][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.467128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.467128][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.467128][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.467128][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.467128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.467128][ T10] [ 2180.468822][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2180.469141][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2180.469141][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.469141][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.469141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.469141][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.469141][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.469141][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.469141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.469141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.469141][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.469141][ T10] netlink_unicast+0x449/0x710 [ 2180.469141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.469141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.469141][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.469141][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.469141][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.469141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.469141][ T10] [ 2180.471168][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2180.471168][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.471168][ T10] ipv6_find_idev+0x102/0x170 [ 2180.471168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.471168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.471168][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.471168][ T10] netlink_unicast+0x449/0x710 [ 2180.471168][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.471168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.471168][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.471168][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.471168][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.471168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.471168][ T10] [ 2180.472904][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2180.472904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.472904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.472904][ T10] ipv6_find_idev+0x102/0x170 [ 2180.472904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.472904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.472904][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.472904][ T10] netlink_unicast+0x449/0x710 [ 2180.472904][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.472904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.472904][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.472904][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.472904][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.472904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.472904][ T10] [ 2180.474795][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2180.475109][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2180.475109][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.475109][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.475109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.475109][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.475109][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.475109][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.475109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.475109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.475109][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.475109][ T10] netlink_unicast+0x449/0x710 [ 2180.475109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.475109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.475109][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.475109][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.475109][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.475109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.475109][ T10] [ 2180.477246][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2180.477246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.477246][ T10] ipv6_find_idev+0x102/0x170 [ 2180.477246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.477246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.477246][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.477246][ T10] netlink_unicast+0x449/0x710 [ 2180.477246][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.477246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.477246][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.477246][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.477246][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.477246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.477246][ T10] [ 2180.478920][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2180.478920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.478920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.478920][ T10] ipv6_find_idev+0x102/0x170 [ 2180.478920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.478920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.478920][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.478920][ T10] netlink_unicast+0x449/0x710 [ 2180.478920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.478920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.478920][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.478920][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.478920][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.478920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.478920][ T10] [ 2180.480779][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2180.481086][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2180.481086][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.481086][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.481086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.481086][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.481086][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.481086][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.481086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.481086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.481086][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.481086][ T10] netlink_unicast+0x449/0x710 [ 2180.481086][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.481086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.481086][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.481086][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.481086][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.481086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.481086][ T10] [ 2180.483237][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2180.483237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.483237][ T10] ipv6_find_idev+0x102/0x170 [ 2180.483237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.483237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.483237][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.483237][ T10] netlink_unicast+0x449/0x710 [ 2180.483237][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.483237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.483237][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.483237][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.483237][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.483237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.483237][ T10] [ 2180.484998][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2180.484998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.484998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.484998][ T10] ipv6_find_idev+0x102/0x170 [ 2180.484998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.484998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.484998][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.484998][ T10] netlink_unicast+0x449/0x710 [ 2180.484998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.484998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.484998][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.484998][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.484998][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.484998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.484998][ T10] [ 2190.728319][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2190.728824][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2190.728824][ T10] netdev_get_by_index+0x5e/0x80 [ 2190.728824][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2190.728824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2190.728824][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2190.728824][ T10] ipv6_add_addr+0x411/0x2000 [ 2190.728824][ T10] inet6_addr_add+0x30e/0xa40 [ 2190.728824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2190.728824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.728824][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.728824][ T10] netlink_unicast+0x449/0x710 [ 2190.728824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.728824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.728824][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.728824][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.728824][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.728824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.728824][ T10] [ 2190.730710][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2190.730710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2190.730710][ T10] ipv6_find_idev+0x102/0x170 [ 2190.730710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.730710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.730710][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.730710][ T10] netlink_unicast+0x449/0x710 [ 2190.730710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.730710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.730710][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.730710][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.730710][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.730710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.730710][ T10] [ 2190.732173][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2190.732173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2190.732173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2190.732173][ T10] ipv6_find_idev+0x102/0x170 [ 2190.732173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.732173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.732173][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.732173][ T10] netlink_unicast+0x449/0x710 [ 2190.732173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.732173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.732173][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.732173][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.732173][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.732173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.732173][ T10] [ 2190.733909][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2190.734207][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2190.734207][ T10] netdev_get_by_index+0x5e/0x80 [ 2190.734207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2190.734207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2190.734207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2190.734207][ T10] ipv6_add_addr+0x411/0x2000 [ 2190.734207][ T10] inet6_addr_add+0x30e/0xa40 [ 2190.734207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2190.734207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.734207][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.734207][ T10] netlink_unicast+0x449/0x710 [ 2190.734207][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.734207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.734207][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.734207][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.734207][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.734207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.734207][ T10] [ 2190.736163][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2190.736163][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2190.736163][ T10] ipv6_find_idev+0x102/0x170 [ 2190.736163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.736163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.736163][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.736163][ T10] netlink_unicast+0x449/0x710 [ 2190.736163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.736163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.736163][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.736163][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.736163][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.736163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.736163][ T10] [ 2190.737585][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2190.737585][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2190.737585][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2190.737585][ T10] ipv6_find_idev+0x102/0x170 [ 2190.737585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.737585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.737585][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.737585][ T10] netlink_unicast+0x449/0x710 [ 2190.737585][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.737585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.737585][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.737585][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.737585][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.737585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.737585][ T10] [ 2190.739281][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2190.739562][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2190.739562][ T10] netdev_get_by_index+0x5e/0x80 [ 2190.739562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2190.739562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2190.739562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2190.739562][ T10] ipv6_add_addr+0x411/0x2000 [ 2190.739562][ T10] inet6_addr_add+0x30e/0xa40 [ 2190.739562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2190.739562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.739562][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.739562][ T10] netlink_unicast+0x449/0x710 [ 2190.739562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.739562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.739562][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.739562][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.739562][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.739562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.739562][ T10] [ 2190.741512][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2190.741512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2190.741512][ T10] ipv6_find_idev+0x102/0x170 [ 2190.741512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.741512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.741512][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.741512][ T10] netlink_unicast+0x449/0x710 [ 2190.741512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.741512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.741512][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.741512][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.741512][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.741512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.741512][ T10] [ 2190.743008][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2190.743008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2190.743008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2190.743008][ T10] ipv6_find_idev+0x102/0x170 [ 2190.743008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.743008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.743008][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.743008][ T10] netlink_unicast+0x449/0x710 [ 2190.743008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.743008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.743008][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.743008][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.743008][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.743008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.743008][ T10] [ 2190.744697][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2190.744965][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2190.744965][ T10] netdev_get_by_index+0x5e/0x80 [ 2190.744965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2190.744965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2190.744965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2190.744965][ T10] ipv6_add_addr+0x411/0x2000 [ 2190.744965][ T10] inet6_addr_add+0x30e/0xa40 [ 2190.744965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2190.744965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.744965][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.744965][ T10] netlink_unicast+0x449/0x710 [ 2190.744965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.744965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.744965][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.744965][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.744965][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.744965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.744965][ T10] [ 2190.746982][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2190.746982][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2190.746982][ T10] ipv6_find_idev+0x102/0x170 [ 2190.746982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.746982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.746982][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.746982][ T10] netlink_unicast+0x449/0x710 [ 2190.746982][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.746982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.746982][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.746982][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.746982][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.746982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.746982][ T10] [ 2190.748489][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2190.748489][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2190.748489][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2190.748489][ T10] ipv6_find_idev+0x102/0x170 [ 2190.748489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.748489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.748489][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.748489][ T10] netlink_unicast+0x449/0x710 [ 2190.748489][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.748489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.748489][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.748489][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.748489][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.748489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.748489][ T10] [ 2190.750574][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2190.751210][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2190.751210][ T10] netdev_get_by_index+0x5e/0x80 [ 2190.751210][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2190.751210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2190.751210][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2190.751210][ T10] ipv6_add_addr+0x411/0x2000 [ 2190.751210][ T10] inet6_addr_add+0x30e/0xa40 [ 2190.751210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2190.751210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.751210][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.751210][ T10] netlink_unicast+0x449/0x710 [ 2190.751210][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.751210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.751210][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.751210][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.751210][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.751210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.751210][ T10] [ 2190.753156][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2190.753156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2190.753156][ T10] ipv6_find_idev+0x102/0x170 [ 2190.753156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.753156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.753156][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.753156][ T10] netlink_unicast+0x449/0x710 [ 2190.753156][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.753156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.753156][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.753156][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.753156][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.753156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.753156][ T10] [ 2190.754713][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2190.754713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2190.754713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2190.754713][ T10] ipv6_find_idev+0x102/0x170 [ 2190.754713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.754713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.754713][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.754713][ T10] netlink_unicast+0x449/0x710 [ 2190.754713][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.754713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.754713][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.754713][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.754713][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.754713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.754713][ T10] [ 2190.756369][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2190.756655][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2190.756655][ T10] netdev_get_by_index+0x5e/0x80 [ 2190.756655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2190.756655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2190.756655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2190.756655][ T10] ipv6_add_addr+0x411/0x2000 [ 2190.756655][ T10] inet6_addr_add+0x30e/0xa40 [ 2190.756655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2190.756655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.756655][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.756655][ T10] netlink_unicast+0x449/0x710 [ 2190.756655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.756655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.756655][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.756655][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.756655][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.756655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.756655][ T10] [ 2190.758645][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2190.758645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2190.758645][ T10] ipv6_find_idev+0x102/0x170 [ 2190.758645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.758645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.758645][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.758645][ T10] netlink_unicast+0x449/0x710 [ 2190.758645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.758645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.758645][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.758645][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.758645][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.758645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.758645][ T10] [ 2190.760274][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2190.760274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2190.760274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2190.760274][ T10] ipv6_find_idev+0x102/0x170 [ 2190.760274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.760274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.760274][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.760274][ T10] netlink_unicast+0x449/0x710 [ 2190.760274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.760274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.760274][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.760274][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.760274][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.760274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.760274][ T10] [ 2190.762172][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2190.762485][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2190.762485][ T10] netdev_get_by_index+0x5e/0x80 [ 2190.762485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2190.762485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2190.762485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2190.762485][ T10] ipv6_add_addr+0x411/0x2000 [ 2190.762485][ T10] inet6_addr_add+0x30e/0xa40 [ 2190.762485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2190.762485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.762485][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.762485][ T10] netlink_unicast+0x449/0x710 [ 2190.762485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.762485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.762485][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.762485][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.762485][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.762485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.762485][ T10] [ 2190.764762][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2190.764762][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2190.764762][ T10] ipv6_find_idev+0x102/0x170 [ 2190.764762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.764762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.764762][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.764762][ T10] netlink_unicast+0x449/0x710 [ 2190.764762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.764762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.764762][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.764762][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.764762][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.764762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.764762][ T10] [ 2190.766459][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2190.766459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2190.766459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2190.766459][ T10] ipv6_find_idev+0x102/0x170 [ 2190.766459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.766459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.766459][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.766459][ T10] netlink_unicast+0x449/0x710 [ 2190.766459][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.766459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.766459][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.766459][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.766459][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.766459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.766459][ T10] [ 2190.768327][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2190.768641][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2190.768641][ T10] netdev_get_by_index+0x5e/0x80 [ 2190.768641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2190.768641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2190.768641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2190.768641][ T10] ipv6_add_addr+0x411/0x2000 [ 2190.768641][ T10] inet6_addr_add+0x30e/0xa40 [ 2190.768641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2190.768641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.768641][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.768641][ T10] netlink_unicast+0x449/0x710 [ 2190.768641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.768641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.768641][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.768641][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.768641][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.768641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.768641][ T10] [ 2190.770805][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2190.770805][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2190.770805][ T10] ipv6_find_idev+0x102/0x170 [ 2190.770805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.770805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.770805][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.770805][ T10] netlink_unicast+0x449/0x710 [ 2190.770805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.770805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.770805][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.770805][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.770805][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.770805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.770805][ T10] [ 2190.772517][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2190.772517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2190.772517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2190.772517][ T10] ipv6_find_idev+0x102/0x170 [ 2190.772517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2190.772517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2190.772517][ T10] netlink_rcv_skb+0x130/0x360 [ 2190.772517][ T10] netlink_unicast+0x449/0x710 [ 2190.772517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2190.772517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2190.772517][ T10] ___sys_sendmsg+0xee/0x170 [ 2190.772517][ T10] __sys_sendmsg+0xcd/0x170 [ 2190.772517][ T10] do_syscall_64+0xc6/0x1e0 [ 2190.772517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2190.772517][ T10] [ 2200.881322][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2200.881831][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2200.881831][ T10] netdev_get_by_index+0x5e/0x80 [ 2200.881831][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2200.881831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2200.881831][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2200.881831][ T10] ipv6_add_addr+0x411/0x2000 [ 2200.881831][ T10] inet6_addr_add+0x30e/0xa40 [ 2200.881831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2200.881831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.881831][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.881831][ T10] netlink_unicast+0x449/0x710 [ 2200.881831][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.881831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.881831][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.881831][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.881831][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.881831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.881831][ T10] [ 2200.884105][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2200.884105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2200.884105][ T10] ipv6_find_idev+0x102/0x170 [ 2200.884105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.884105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.884105][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.884105][ T10] netlink_unicast+0x449/0x710 [ 2200.884105][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.884105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.884105][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.884105][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.884105][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.884105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.884105][ T10] [ 2200.885914][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2200.885914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2200.885914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2200.885914][ T10] ipv6_find_idev+0x102/0x170 [ 2200.885914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.885914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.885914][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.885914][ T10] netlink_unicast+0x449/0x710 [ 2200.885914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.885914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.885914][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.885914][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.885914][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.885914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.885914][ T10] [ 2200.887838][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2200.888149][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2200.888149][ T10] netdev_get_by_index+0x5e/0x80 [ 2200.888149][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2200.888149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2200.888149][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2200.888149][ T10] ipv6_add_addr+0x411/0x2000 [ 2200.888149][ T10] inet6_addr_add+0x30e/0xa40 [ 2200.888149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2200.888149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.888149][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.888149][ T10] netlink_unicast+0x449/0x710 [ 2200.888149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.888149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.888149][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.888149][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.888149][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.888149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.888149][ T10] [ 2200.890447][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2200.890447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2200.890447][ T10] ipv6_find_idev+0x102/0x170 [ 2200.890447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.890447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.890447][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.890447][ T10] netlink_unicast+0x449/0x710 [ 2200.890447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.890447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.890447][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.890447][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.890447][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.890447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.890447][ T10] [ 2200.892218][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2200.892218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2200.892218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2200.892218][ T10] ipv6_find_idev+0x102/0x170 [ 2200.892218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.892218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.892218][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.892218][ T10] netlink_unicast+0x449/0x710 [ 2200.892218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.892218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.892218][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.892218][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.892218][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.892218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.892218][ T10] [ 2200.894128][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2200.894441][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2200.894441][ T10] netdev_get_by_index+0x5e/0x80 [ 2200.894441][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2200.894441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2200.894441][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2200.894441][ T10] ipv6_add_addr+0x411/0x2000 [ 2200.894441][ T10] inet6_addr_add+0x30e/0xa40 [ 2200.894441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2200.894441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.894441][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.894441][ T10] netlink_unicast+0x449/0x710 [ 2200.894441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.894441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.894441][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.894441][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.894441][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.894441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.894441][ T10] [ 2200.896727][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2200.896727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2200.896727][ T10] ipv6_find_idev+0x102/0x170 [ 2200.896727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.896727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.896727][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.896727][ T10] netlink_unicast+0x449/0x710 [ 2200.896727][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.896727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.896727][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.896727][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.896727][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.896727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.896727][ T10] [ 2200.898471][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2200.898471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2200.898471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2200.898471][ T10] ipv6_find_idev+0x102/0x170 [ 2200.898471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.898471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.898471][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.898471][ T10] netlink_unicast+0x449/0x710 [ 2200.898471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.898471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.898471][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.898471][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.898471][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.898471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.898471][ T10] [ 2200.900360][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2200.900651][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2200.900651][ T10] netdev_get_by_index+0x5e/0x80 [ 2200.900651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2200.900651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2200.900651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2200.900651][ T10] ipv6_add_addr+0x411/0x2000 [ 2200.900651][ T10] inet6_addr_add+0x30e/0xa40 [ 2200.900651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2200.900651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.900651][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.900651][ T10] netlink_unicast+0x449/0x710 [ 2200.900651][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.900651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.900651][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.900651][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.900651][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.900651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.900651][ T10] [ 2200.902878][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2200.902878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2200.902878][ T10] ipv6_find_idev+0x102/0x170 [ 2200.902878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.902878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.902878][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.902878][ T10] netlink_unicast+0x449/0x710 [ 2200.902878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.902878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.902878][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.902878][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.902878][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.902878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.902878][ T10] [ 2200.904755][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2200.904755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2200.904755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2200.904755][ T10] ipv6_find_idev+0x102/0x170 [ 2200.904755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.904755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.904755][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.904755][ T10] netlink_unicast+0x449/0x710 [ 2200.904755][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.904755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.904755][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.904755][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.904755][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.904755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.904755][ T10] [ 2200.906896][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2200.907648][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2200.907648][ T10] netdev_get_by_index+0x5e/0x80 [ 2200.907648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2200.907648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2200.907648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2200.907648][ T10] ipv6_add_addr+0x411/0x2000 [ 2200.907648][ T10] inet6_addr_add+0x30e/0xa40 [ 2200.907648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2200.907648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.907648][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.907648][ T10] netlink_unicast+0x449/0x710 [ 2200.907648][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.907648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.907648][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.907648][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.907648][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.907648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.907648][ T10] [ 2200.910007][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2200.910007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2200.910007][ T10] ipv6_find_idev+0x102/0x170 [ 2200.910007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.910007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.910007][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.910007][ T10] netlink_unicast+0x449/0x710 [ 2200.910007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.910007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.910007][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.910007][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.910007][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.910007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.910007][ T10] [ 2200.911964][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2200.911964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2200.911964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2200.911964][ T10] ipv6_find_idev+0x102/0x170 [ 2200.911964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.911964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.911964][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.911964][ T10] netlink_unicast+0x449/0x710 [ 2200.911964][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.911964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.911964][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.911964][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.911964][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.911964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.911964][ T10] [ 2200.913919][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2200.914282][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2200.914282][ T10] netdev_get_by_index+0x5e/0x80 [ 2200.914282][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2200.914282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2200.914282][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2200.914282][ T10] ipv6_add_addr+0x411/0x2000 [ 2200.914282][ T10] inet6_addr_add+0x30e/0xa40 [ 2200.914282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2200.914282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.914282][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.914282][ T10] netlink_unicast+0x449/0x710 [ 2200.914282][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.914282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.914282][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.914282][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.914282][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.914282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.914282][ T10] [ 2200.916527][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2200.916527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2200.916527][ T10] ipv6_find_idev+0x102/0x170 [ 2200.916527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.916527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.916527][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.916527][ T10] netlink_unicast+0x449/0x710 [ 2200.916527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.916527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.916527][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.916527][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.916527][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.916527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.916527][ T10] [ 2200.918301][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2200.918301][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2200.918301][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2200.918301][ T10] ipv6_find_idev+0x102/0x170 [ 2200.918301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.918301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.918301][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.918301][ T10] netlink_unicast+0x449/0x710 [ 2200.918301][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.918301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.918301][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.918301][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.918301][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.918301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.918301][ T10] [ 2200.920272][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2200.920577][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2200.920577][ T10] netdev_get_by_index+0x5e/0x80 [ 2200.920577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2200.920577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2200.920577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2200.920577][ T10] ipv6_add_addr+0x411/0x2000 [ 2200.920577][ T10] inet6_addr_add+0x30e/0xa40 [ 2200.920577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2200.920577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.920577][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.920577][ T10] netlink_unicast+0x449/0x710 [ 2200.920577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.920577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.920577][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.920577][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.920577][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.920577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.920577][ T10] [ 2200.922975][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2200.922975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2200.922975][ T10] ipv6_find_idev+0x102/0x170 [ 2200.922975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.922975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.922975][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.922975][ T10] netlink_unicast+0x449/0x710 [ 2200.922975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.922975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.922975][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.922975][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.922975][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.922975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.922975][ T10] [ 2200.925003][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2200.925003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2200.925003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2200.925003][ T10] ipv6_find_idev+0x102/0x170 [ 2200.925003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.925003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.925003][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.925003][ T10] netlink_unicast+0x449/0x710 [ 2200.925003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.925003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.925003][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.925003][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.925003][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.925003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.925003][ T10] [ 2200.927137][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2200.927446][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2200.927446][ T10] netdev_get_by_index+0x5e/0x80 [ 2200.927446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2200.927446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2200.927446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2200.927446][ T10] ipv6_add_addr+0x411/0x2000 [ 2200.927446][ T10] inet6_addr_add+0x30e/0xa40 [ 2200.927446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2200.927446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.927446][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.927446][ T10] netlink_unicast+0x449/0x710 [ 2200.927446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.927446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.927446][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.927446][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.927446][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.927446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.927446][ T10] [ 2200.929909][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2200.929909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2200.929909][ T10] ipv6_find_idev+0x102/0x170 [ 2200.929909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.929909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.929909][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.929909][ T10] netlink_unicast+0x449/0x710 [ 2200.929909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.929909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.929909][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.929909][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.929909][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.929909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.929909][ T10] [ 2200.931800][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2200.931800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2200.931800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2200.931800][ T10] ipv6_find_idev+0x102/0x170 [ 2200.931800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2200.931800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2200.931800][ T10] netlink_rcv_skb+0x130/0x360 [ 2200.931800][ T10] netlink_unicast+0x449/0x710 [ 2200.931800][ T10] netlink_sendmsg+0x723/0xbe0 [ 2200.931800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2200.931800][ T10] ___sys_sendmsg+0xee/0x170 [ 2200.931800][ T10] __sys_sendmsg+0xcd/0x170 [ 2200.931800][ T10] do_syscall_64+0xc6/0x1e0 [ 2200.931800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2200.931800][ T10] [ 2210.976205][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2210.976751][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2210.976751][ T10] netdev_get_by_index+0x5e/0x80 [ 2210.976751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2210.976751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2210.976751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2210.976751][ T10] ipv6_add_addr+0x411/0x2000 [ 2210.976751][ T10] inet6_addr_add+0x30e/0xa40 [ 2210.976751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2210.976751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.976751][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.976751][ T10] netlink_unicast+0x449/0x710 [ 2210.976751][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.976751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.976751][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.976751][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.976751][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.976751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.976751][ T10] [ 2210.979112][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2210.979112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2210.979112][ T10] ipv6_find_idev+0x102/0x170 [ 2210.979112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2210.979112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.979112][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.979112][ T10] netlink_unicast+0x449/0x710 [ 2210.979112][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.979112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.979112][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.979112][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.979112][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.979112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.979112][ T10] [ 2210.980923][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2210.980923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2210.980923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2210.980923][ T10] ipv6_find_idev+0x102/0x170 [ 2210.980923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2210.980923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.980923][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.980923][ T10] netlink_unicast+0x449/0x710 [ 2210.980923][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.980923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.980923][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.980923][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.980923][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.980923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.980923][ T10] [ 2210.982895][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2210.983225][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2210.983225][ T10] netdev_get_by_index+0x5e/0x80 [ 2210.983225][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2210.983225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2210.983225][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2210.983225][ T10] ipv6_add_addr+0x411/0x2000 [ 2210.983225][ T10] inet6_addr_add+0x30e/0xa40 [ 2210.983225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2210.983225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.983225][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.983225][ T10] netlink_unicast+0x449/0x710 [ 2210.983225][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.983225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.983225][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.983225][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.983225][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.983225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.983225][ T10] [ 2210.985555][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2210.985555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2210.985555][ T10] ipv6_find_idev+0x102/0x170 [ 2210.985555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2210.985555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.985555][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.985555][ T10] netlink_unicast+0x449/0x710 [ 2210.985555][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.985555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.985555][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.985555][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.985555][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.985555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.985555][ T10] [ 2210.987271][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2210.987271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2210.987271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2210.987271][ T10] ipv6_find_idev+0x102/0x170 [ 2210.987271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2210.987271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.987271][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.987271][ T10] netlink_unicast+0x449/0x710 [ 2210.987271][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.987271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.987271][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.987271][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.987271][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.987271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.987271][ T10] [ 2210.989173][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2210.989480][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2210.989480][ T10] netdev_get_by_index+0x5e/0x80 [ 2210.989480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2210.989480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2210.989480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2210.989480][ T10] ipv6_add_addr+0x411/0x2000 [ 2210.989480][ T10] inet6_addr_add+0x30e/0xa40 [ 2210.989480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2210.989480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.989480][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.989480][ T10] netlink_unicast+0x449/0x710 [ 2210.989480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.989480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.989480][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.989480][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.989480][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.989480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.989480][ T10] [ 2210.991760][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2210.991760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2210.991760][ T10] ipv6_find_idev+0x102/0x170 [ 2210.991760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2210.991760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.991760][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.991760][ T10] netlink_unicast+0x449/0x710 [ 2210.991760][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.991760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.991760][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.991760][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.991760][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.991760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.991760][ T10] [ 2210.993508][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2210.993508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2210.993508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2210.993508][ T10] ipv6_find_idev+0x102/0x170 [ 2210.993508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2210.993508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.993508][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.993508][ T10] netlink_unicast+0x449/0x710 [ 2210.993508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.993508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.993508][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.993508][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.993508][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.993508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.993508][ T10] [ 2210.995455][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2210.995749][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2210.995749][ T10] netdev_get_by_index+0x5e/0x80 [ 2210.995749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2210.995749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2210.995749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2210.995749][ T10] ipv6_add_addr+0x411/0x2000 [ 2210.995749][ T10] inet6_addr_add+0x30e/0xa40 [ 2210.995749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2210.995749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.995749][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.995749][ T10] netlink_unicast+0x449/0x710 [ 2210.995749][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.995749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.995749][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.995749][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.995749][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.995749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.995749][ T10] [ 2210.998059][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2210.998059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2210.998059][ T10] ipv6_find_idev+0x102/0x170 [ 2210.998059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2210.998059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.998059][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.998059][ T10] netlink_unicast+0x449/0x710 [ 2210.998059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.998059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.998059][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.998059][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.998059][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.998059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.998059][ T10] [ 2210.999805][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2210.999805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2210.999805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2210.999805][ T10] ipv6_find_idev+0x102/0x170 [ 2210.999805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2210.999805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2210.999805][ T10] netlink_rcv_skb+0x130/0x360 [ 2210.999805][ T10] netlink_unicast+0x449/0x710 [ 2210.999805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2210.999805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2210.999805][ T10] ___sys_sendmsg+0xee/0x170 [ 2210.999805][ T10] __sys_sendmsg+0xcd/0x170 [ 2210.999805][ T10] do_syscall_64+0xc6/0x1e0 [ 2210.999805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2210.999805][ T10] [ 2211.002135][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2211.002436][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2211.002436][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.002436][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.002436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.002436][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.002436][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.002436][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.002436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.002436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.002436][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.002436][ T10] netlink_unicast+0x449/0x710 [ 2211.002436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.002436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.002436][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.002436][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.002436][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.002436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.002436][ T10] [ 2211.004707][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2211.004707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.004707][ T10] ipv6_find_idev+0x102/0x170 [ 2211.004707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.004707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.004707][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.004707][ T10] netlink_unicast+0x449/0x710 [ 2211.004707][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.004707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.004707][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.004707][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.004707][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.004707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.004707][ T10] [ 2211.006474][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2211.006474][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.006474][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.006474][ T10] ipv6_find_idev+0x102/0x170 [ 2211.006474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.006474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.006474][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.006474][ T10] netlink_unicast+0x449/0x710 [ 2211.006474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.006474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.006474][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.006474][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.006474][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.006474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.006474][ T10] [ 2211.008427][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2211.008728][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2211.008728][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.008728][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.008728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.008728][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.008728][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.008728][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.008728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.008728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.008728][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.008728][ T10] netlink_unicast+0x449/0x710 [ 2211.008728][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.008728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.008728][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.008728][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.008728][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.008728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.008728][ T10] [ 2211.011204][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2211.011204][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.011204][ T10] ipv6_find_idev+0x102/0x170 [ 2211.011204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.011204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.011204][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.011204][ T10] netlink_unicast+0x449/0x710 [ 2211.011204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.011204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.011204][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.011204][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.011204][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.011204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.011204][ T10] [ 2211.013135][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2211.013135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.013135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.013135][ T10] ipv6_find_idev+0x102/0x170 [ 2211.013135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.013135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.013135][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.013135][ T10] netlink_unicast+0x449/0x710 [ 2211.013135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.013135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.013135][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.013135][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.013135][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.013135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.013135][ T10] [ 2211.015302][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2211.015599][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2211.015599][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.015599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.015599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.015599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.015599][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.015599][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.015599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.015599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.015599][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.015599][ T10] netlink_unicast+0x449/0x710 [ 2211.015599][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.015599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.015599][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.015599][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.015599][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.015599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.015599][ T10] [ 2211.018117][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2211.018117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.018117][ T10] ipv6_find_idev+0x102/0x170 [ 2211.018117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.018117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.018117][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.018117][ T10] netlink_unicast+0x449/0x710 [ 2211.018117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.018117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.018117][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.018117][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.018117][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.018117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.018117][ T10] [ 2211.020041][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2211.020041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.020041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.020041][ T10] ipv6_find_idev+0x102/0x170 [ 2211.020041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.020041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.020041][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.020041][ T10] netlink_unicast+0x449/0x710 [ 2211.020041][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.020041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.020041][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.020041][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.020041][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.020041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.020041][ T10] [ 2211.022180][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2211.022484][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2211.022484][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.022484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.022484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.022484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.022484][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.022484][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.022484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.022484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.022484][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.022484][ T10] netlink_unicast+0x449/0x710 [ 2211.022484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.022484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.022484][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.022484][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.022484][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.022484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.022484][ T10] [ 2211.024954][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2211.024954][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.024954][ T10] ipv6_find_idev+0x102/0x170 [ 2211.024954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.024954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.024954][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.024954][ T10] netlink_unicast+0x449/0x710 [ 2211.024954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.024954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.024954][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.024954][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.024954][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.024954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.024954][ T10] [ 2211.026883][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2211.026883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.026883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.026883][ T10] ipv6_find_idev+0x102/0x170 [ 2211.026883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.026883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.026883][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.026883][ T10] netlink_unicast+0x449/0x710 [ 2211.026883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.026883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.026883][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.026883][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.026883][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.026883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.026883][ T10] [ 2221.152116][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2221.152482][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2221.152482][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.152482][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.152482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.152482][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.152482][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.152482][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.152482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.152482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.152482][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.152482][ T10] netlink_unicast+0x449/0x710 [ 2221.152482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.152482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.152482][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.152482][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.152482][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.152482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.152482][ T10] [ 2221.154540][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2221.154540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.154540][ T10] ipv6_find_idev+0x102/0x170 [ 2221.154540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.154540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.154540][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.154540][ T10] netlink_unicast+0x449/0x710 [ 2221.154540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.154540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.154540][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.154540][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.154540][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.154540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.154540][ T10] [ 2221.156099][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2221.156099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.156099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.156099][ T10] ipv6_find_idev+0x102/0x170 [ 2221.156099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.156099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.156099][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.156099][ T10] netlink_unicast+0x449/0x710 [ 2221.156099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.156099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.156099][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.156099][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.156099][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.156099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.156099][ T10] [ 2221.157779][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2221.158077][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2221.158077][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.158077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.158077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.158077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.158077][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.158077][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.158077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.158077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.158077][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.158077][ T10] netlink_unicast+0x449/0x710 [ 2221.158077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.158077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.158077][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.158077][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.158077][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.158077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.158077][ T10] [ 2221.160096][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2221.160096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.160096][ T10] ipv6_find_idev+0x102/0x170 [ 2221.160096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.160096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.160096][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.160096][ T10] netlink_unicast+0x449/0x710 [ 2221.160096][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.160096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.160096][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.160096][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.160096][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.160096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.160096][ T10] [ 2221.161613][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2221.161613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.161613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.161613][ T10] ipv6_find_idev+0x102/0x170 [ 2221.161613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.161613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.161613][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.161613][ T10] netlink_unicast+0x449/0x710 [ 2221.161613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.161613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.161613][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.161613][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.161613][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.161613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.161613][ T10] [ 2221.163390][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2221.163659][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2221.163659][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.163659][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.163659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.163659][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.163659][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.163659][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.163659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.163659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.163659][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.163659][ T10] netlink_unicast+0x449/0x710 [ 2221.163659][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.163659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.163659][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.163659][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.163659][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.163659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.163659][ T10] [ 2221.165980][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2221.165980][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.165980][ T10] ipv6_find_idev+0x102/0x170 [ 2221.165980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.165980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.165980][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.165980][ T10] netlink_unicast+0x449/0x710 [ 2221.165980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.165980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.165980][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.165980][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.165980][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.165980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.165980][ T10] [ 2221.167778][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2221.167778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.167778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.167778][ T10] ipv6_find_idev+0x102/0x170 [ 2221.167778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.167778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.167778][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.167778][ T10] netlink_unicast+0x449/0x710 [ 2221.167778][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.167778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.167778][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.167778][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.167778][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.167778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.167778][ T10] [ 2221.169642][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2221.170042][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2221.170042][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.170042][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.170042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.170042][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.170042][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.170042][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.170042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.170042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.170042][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.170042][ T10] netlink_unicast+0x449/0x710 [ 2221.170042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.170042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.170042][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.170042][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.170042][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.170042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.170042][ T10] [ 2221.172107][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2221.172107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.172107][ T10] ipv6_find_idev+0x102/0x170 [ 2221.172107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.172107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.172107][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.172107][ T10] netlink_unicast+0x449/0x710 [ 2221.172107][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.172107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.172107][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.172107][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.172107][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.172107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.172107][ T10] [ 2221.173735][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2221.173735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.173735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.173735][ T10] ipv6_find_idev+0x102/0x170 [ 2221.173735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.173735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.173735][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.173735][ T10] netlink_unicast+0x449/0x710 [ 2221.173735][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.173735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.173735][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.173735][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.173735][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.173735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.173735][ T10] [ 2221.175729][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2221.176019][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2221.176019][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.176019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.176019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.176019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.176019][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.176019][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.176019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.176019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.176019][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.176019][ T10] netlink_unicast+0x449/0x710 [ 2221.176019][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.176019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.176019][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.176019][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.176019][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.176019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.176019][ T10] [ 2221.178250][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2221.178250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.178250][ T10] ipv6_find_idev+0x102/0x170 [ 2221.178250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.178250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.178250][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.178250][ T10] netlink_unicast+0x449/0x710 [ 2221.178250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.178250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.178250][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.178250][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.178250][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.178250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.178250][ T10] [ 2221.180046][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2221.180046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.180046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.180046][ T10] ipv6_find_idev+0x102/0x170 [ 2221.180046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.180046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.180046][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.180046][ T10] netlink_unicast+0x449/0x710 [ 2221.180046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.180046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.180046][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.180046][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.180046][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.180046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.180046][ T10] [ 2221.181958][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2221.182651][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2221.182651][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.182651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.182651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.182651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.182651][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.182651][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.182651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.182651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.182651][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.182651][ T10] netlink_unicast+0x449/0x710 [ 2221.182651][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.182651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.182651][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.182651][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.182651][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.182651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.182651][ T10] [ 2221.184691][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2221.184691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.184691][ T10] ipv6_find_idev+0x102/0x170 [ 2221.184691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.184691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.184691][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.184691][ T10] netlink_unicast+0x449/0x710 [ 2221.184691][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.184691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.184691][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.184691][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.184691][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.184691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.184691][ T10] [ 2221.186239][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2221.186239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.186239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.186239][ T10] ipv6_find_idev+0x102/0x170 [ 2221.186239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.186239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.186239][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.186239][ T10] netlink_unicast+0x449/0x710 [ 2221.186239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.186239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.186239][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.186239][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.186239][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.186239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.186239][ T10] [ 2221.188069][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2221.188398][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2221.188398][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.188398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.188398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.188398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.188398][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.188398][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.188398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.188398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.188398][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.188398][ T10] netlink_unicast+0x449/0x710 [ 2221.188398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.188398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.188398][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.188398][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.188398][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.188398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.188398][ T10] [ 2221.190600][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2221.190600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.190600][ T10] ipv6_find_idev+0x102/0x170 [ 2221.190600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.190600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.190600][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.190600][ T10] netlink_unicast+0x449/0x710 [ 2221.190600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.190600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.190600][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.190600][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.190600][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.190600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.190600][ T10] [ 2221.192325][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2221.192325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.192325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.192325][ T10] ipv6_find_idev+0x102/0x170 [ 2221.192325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.192325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.192325][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.192325][ T10] netlink_unicast+0x449/0x710 [ 2221.192325][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.192325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.192325][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.192325][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.192325][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.192325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.192325][ T10] [ 2221.194290][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2221.194564][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2221.194564][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.194564][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.194564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.194564][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.194564][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.194564][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.194564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.194564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.194564][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.194564][ T10] netlink_unicast+0x449/0x710 [ 2221.194564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.194564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.194564][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.194564][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.194564][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.194564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.194564][ T10] [ 2221.196697][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2221.196697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.196697][ T10] ipv6_find_idev+0x102/0x170 [ 2221.196697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.196697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.196697][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.196697][ T10] netlink_unicast+0x449/0x710 [ 2221.196697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.196697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.196697][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.196697][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.196697][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.196697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.196697][ T10] [ 2221.198426][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2221.198426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.198426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.198426][ T10] ipv6_find_idev+0x102/0x170 [ 2221.198426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.198426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.198426][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.198426][ T10] netlink_unicast+0x449/0x710 [ 2221.198426][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.198426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.198426][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.198426][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.198426][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.198426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.198426][ T10] [ 2231.392319][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2231.392884][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2231.392884][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.392884][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.392884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.392884][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.392884][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.392884][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.392884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.392884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.392884][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.392884][ T10] netlink_unicast+0x449/0x710 [ 2231.392884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.392884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.392884][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.392884][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.392884][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.392884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.392884][ T10] [ 2231.394879][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2231.394879][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.394879][ T10] ipv6_find_idev+0x102/0x170 [ 2231.394879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.394879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.394879][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.394879][ T10] netlink_unicast+0x449/0x710 [ 2231.394879][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.394879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.394879][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.394879][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.394879][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.394879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.394879][ T10] [ 2231.396466][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2231.396466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.396466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.396466][ T10] ipv6_find_idev+0x102/0x170 [ 2231.396466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.396466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.396466][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.396466][ T10] netlink_unicast+0x449/0x710 [ 2231.396466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.396466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.396466][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.396466][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.396466][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.396466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.396466][ T10] [ 2231.398138][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2231.398429][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2231.398429][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.398429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.398429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.398429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.398429][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.398429][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.398429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.398429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.398429][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.398429][ T10] netlink_unicast+0x449/0x710 [ 2231.398429][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.398429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.398429][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.398429][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.398429][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.398429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.398429][ T10] [ 2231.400451][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2231.400451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.400451][ T10] ipv6_find_idev+0x102/0x170 [ 2231.400451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.400451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.400451][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.400451][ T10] netlink_unicast+0x449/0x710 [ 2231.400451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.400451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.400451][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.400451][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.400451][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.400451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.400451][ T10] [ 2231.402059][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2231.402059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.402059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.402059][ T10] ipv6_find_idev+0x102/0x170 [ 2231.402059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.402059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.402059][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.402059][ T10] netlink_unicast+0x449/0x710 [ 2231.402059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.402059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.402059][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.402059][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.402059][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.402059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.402059][ T10] [ 2231.403754][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2231.404052][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2231.404052][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.404052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.404052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.404052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.404052][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.404052][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.404052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.404052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.404052][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.404052][ T10] netlink_unicast+0x449/0x710 [ 2231.404052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.404052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.404052][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.404052][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.404052][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.404052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.404052][ T10] [ 2231.406172][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2231.406172][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.406172][ T10] ipv6_find_idev+0x102/0x170 [ 2231.406172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.406172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.406172][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.406172][ T10] netlink_unicast+0x449/0x710 [ 2231.406172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.406172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.406172][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.406172][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.406172][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.406172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.406172][ T10] [ 2231.407700][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2231.407700][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.407700][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.407700][ T10] ipv6_find_idev+0x102/0x170 [ 2231.407700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.407700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.407700][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.407700][ T10] netlink_unicast+0x449/0x710 [ 2231.407700][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.407700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.407700][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.407700][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.407700][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.407700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.407700][ T10] [ 2231.409372][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2231.409650][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2231.409650][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.409650][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.409650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.409650][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.409650][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.409650][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.409650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.409650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.409650][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.409650][ T10] netlink_unicast+0x449/0x710 [ 2231.409650][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.409650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.409650][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.409650][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.409650][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.409650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.409650][ T10] [ 2231.411695][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2231.411695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.411695][ T10] ipv6_find_idev+0x102/0x170 [ 2231.411695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.411695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.411695][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.411695][ T10] netlink_unicast+0x449/0x710 [ 2231.411695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.411695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.411695][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.411695][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.411695][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.411695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.411695][ T10] [ 2231.413233][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2231.413233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.413233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.413233][ T10] ipv6_find_idev+0x102/0x170 [ 2231.413233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.413233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.413233][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.413233][ T10] netlink_unicast+0x449/0x710 [ 2231.413233][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.413233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.413233][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.413233][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.413233][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.413233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.413233][ T10] [ 2231.415012][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2231.415348][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2231.415348][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.415348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.415348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.415348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.415348][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.415348][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.415348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.415348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.415348][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.415348][ T10] netlink_unicast+0x449/0x710 [ 2231.415348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.415348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.415348][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.415348][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.415348][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.415348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.415348][ T10] [ 2231.417371][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2231.417371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.417371][ T10] ipv6_find_idev+0x102/0x170 [ 2231.417371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.417371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.417371][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.417371][ T10] netlink_unicast+0x449/0x710 [ 2231.417371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.417371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.417371][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.417371][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.417371][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.417371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.417371][ T10] [ 2231.418852][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2231.418852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.418852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.418852][ T10] ipv6_find_idev+0x102/0x170 [ 2231.418852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.418852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.418852][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.418852][ T10] netlink_unicast+0x449/0x710 [ 2231.418852][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.418852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.418852][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.418852][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.418852][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.418852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.418852][ T10] [ 2231.420782][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2231.421103][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2231.421103][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.421103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.421103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.421103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.421103][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.421103][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.421103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.421103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.421103][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.421103][ T10] netlink_unicast+0x449/0x710 [ 2231.421103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.421103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.421103][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.421103][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.421103][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.421103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.421103][ T10] [ 2231.423407][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2231.423407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.423407][ T10] ipv6_find_idev+0x102/0x170 [ 2231.423407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.423407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.423407][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.423407][ T10] netlink_unicast+0x449/0x710 [ 2231.423407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.423407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.423407][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.423407][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.423407][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.423407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.423407][ T10] [ 2231.425163][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2231.425163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.425163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.425163][ T10] ipv6_find_idev+0x102/0x170 [ 2231.425163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.425163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.425163][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.425163][ T10] netlink_unicast+0x449/0x710 [ 2231.425163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.425163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.425163][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.425163][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.425163][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.425163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.425163][ T10] [ 2231.427184][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2231.427496][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2231.427496][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.427496][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.427496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.427496][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.427496][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.427496][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.427496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.427496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.427496][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.427496][ T10] netlink_unicast+0x449/0x710 [ 2231.427496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.427496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.427496][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.427496][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.427496][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.427496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.427496][ T10] [ 2231.429775][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2231.429775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.429775][ T10] ipv6_find_idev+0x102/0x170 [ 2231.429775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.429775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.429775][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.429775][ T10] netlink_unicast+0x449/0x710 [ 2231.429775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.429775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.429775][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.429775][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.429775][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.429775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.429775][ T10] [ 2231.431472][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2231.431472][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.431472][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.431472][ T10] ipv6_find_idev+0x102/0x170 [ 2231.431472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.431472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.431472][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.431472][ T10] netlink_unicast+0x449/0x710 [ 2231.431472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.431472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.431472][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.431472][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.431472][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.431472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.431472][ T10] [ 2231.433499][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2231.433828][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2231.433828][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.433828][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.433828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.433828][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.433828][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.433828][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.433828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.433828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.433828][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.433828][ T10] netlink_unicast+0x449/0x710 [ 2231.433828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.433828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.433828][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.433828][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.433828][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.433828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.433828][ T10] [ 2231.436093][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2231.436093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.436093][ T10] ipv6_find_idev+0x102/0x170 [ 2231.436093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.436093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.436093][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.436093][ T10] netlink_unicast+0x449/0x710 [ 2231.436093][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.436093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.436093][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.436093][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.436093][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.436093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.436093][ T10] [ 2231.437822][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2231.437822][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.437822][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.437822][ T10] ipv6_find_idev+0x102/0x170 [ 2231.437822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.437822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.437822][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.437822][ T10] netlink_unicast+0x449/0x710 [ 2231.437822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.437822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.437822][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.437822][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.437822][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.437822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.437822][ T10] [ 2241.688299][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2241.688842][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2241.688842][ T10] netdev_get_by_index+0x5e/0x80 [ 2241.688842][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2241.688842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2241.688842][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2241.688842][ T10] ipv6_add_addr+0x411/0x2000 [ 2241.688842][ T10] inet6_addr_add+0x30e/0xa40 [ 2241.688842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2241.688842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.688842][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.688842][ T10] netlink_unicast+0x449/0x710 [ 2241.688842][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.688842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.688842][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.688842][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.688842][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.688842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.688842][ T10] [ 2241.690772][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2241.690772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2241.690772][ T10] ipv6_find_idev+0x102/0x170 [ 2241.690772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.690772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.690772][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.690772][ T10] netlink_unicast+0x449/0x710 [ 2241.690772][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.690772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.690772][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.690772][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.690772][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.690772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.690772][ T10] [ 2241.692243][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2241.692243][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2241.692243][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2241.692243][ T10] ipv6_find_idev+0x102/0x170 [ 2241.692243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.692243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.692243][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.692243][ T10] netlink_unicast+0x449/0x710 [ 2241.692243][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.692243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.692243][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.692243][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.692243][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.692243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.692243][ T10] [ 2241.694006][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2241.694314][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2241.694314][ T10] netdev_get_by_index+0x5e/0x80 [ 2241.694314][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2241.694314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2241.694314][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2241.694314][ T10] ipv6_add_addr+0x411/0x2000 [ 2241.694314][ T10] inet6_addr_add+0x30e/0xa40 [ 2241.694314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2241.694314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.694314][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.694314][ T10] netlink_unicast+0x449/0x710 [ 2241.694314][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.694314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.694314][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.694314][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.694314][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.694314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.694314][ T10] [ 2241.696345][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2241.696345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2241.696345][ T10] ipv6_find_idev+0x102/0x170 [ 2241.696345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.696345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.696345][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.696345][ T10] netlink_unicast+0x449/0x710 [ 2241.696345][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.696345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.696345][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.696345][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.696345][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.696345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.696345][ T10] [ 2241.697929][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2241.697929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2241.697929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2241.697929][ T10] ipv6_find_idev+0x102/0x170 [ 2241.697929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.697929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.697929][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.697929][ T10] netlink_unicast+0x449/0x710 [ 2241.697929][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.697929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.697929][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.697929][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.697929][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.697929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.697929][ T10] [ 2241.699658][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2241.699927][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2241.699927][ T10] netdev_get_by_index+0x5e/0x80 [ 2241.699927][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2241.699927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2241.699927][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2241.699927][ T10] ipv6_add_addr+0x411/0x2000 [ 2241.699927][ T10] inet6_addr_add+0x30e/0xa40 [ 2241.699927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2241.699927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.699927][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.699927][ T10] netlink_unicast+0x449/0x710 [ 2241.699927][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.699927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.699927][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.699927][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.699927][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.699927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.699927][ T10] [ 2241.701992][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2241.701992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2241.701992][ T10] ipv6_find_idev+0x102/0x170 [ 2241.701992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.701992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.701992][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.701992][ T10] netlink_unicast+0x449/0x710 [ 2241.701992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.701992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.701992][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.701992][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.701992][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.701992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.701992][ T10] [ 2241.703577][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2241.703577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2241.703577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2241.703577][ T10] ipv6_find_idev+0x102/0x170 [ 2241.703577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.703577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.703577][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.703577][ T10] netlink_unicast+0x449/0x710 [ 2241.703577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.703577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.703577][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.703577][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.703577][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.703577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.703577][ T10] [ 2241.705764][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2241.706381][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2241.706381][ T10] netdev_get_by_index+0x5e/0x80 [ 2241.706381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2241.706381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2241.706381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2241.706381][ T10] ipv6_add_addr+0x411/0x2000 [ 2241.706381][ T10] inet6_addr_add+0x30e/0xa40 [ 2241.706381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2241.706381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.706381][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.706381][ T10] netlink_unicast+0x449/0x710 [ 2241.706381][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.706381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.706381][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.706381][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.706381][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.706381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.706381][ T10] [ 2241.708414][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2241.708414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2241.708414][ T10] ipv6_find_idev+0x102/0x170 [ 2241.708414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.708414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.708414][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.708414][ T10] netlink_unicast+0x449/0x710 [ 2241.708414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.708414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.708414][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.708414][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.708414][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.708414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.708414][ T10] [ 2241.709957][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2241.709957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2241.709957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2241.709957][ T10] ipv6_find_idev+0x102/0x170 [ 2241.709957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.709957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.709957][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.709957][ T10] netlink_unicast+0x449/0x710 [ 2241.709957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.709957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.709957][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.709957][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.709957][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.709957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.709957][ T10] [ 2241.711700][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2241.711974][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2241.711974][ T10] netdev_get_by_index+0x5e/0x80 [ 2241.711974][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2241.711974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2241.711974][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2241.711974][ T10] ipv6_add_addr+0x411/0x2000 [ 2241.711974][ T10] inet6_addr_add+0x30e/0xa40 [ 2241.711974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2241.711974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.711974][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.711974][ T10] netlink_unicast+0x449/0x710 [ 2241.711974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.711974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.711974][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.711974][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.711974][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.711974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.711974][ T10] [ 2241.713988][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2241.713988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2241.713988][ T10] ipv6_find_idev+0x102/0x170 [ 2241.713988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.713988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.713988][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.713988][ T10] netlink_unicast+0x449/0x710 [ 2241.713988][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.713988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.713988][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.713988][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.713988][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.713988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.713988][ T10] [ 2241.715594][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2241.715594][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2241.715594][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2241.715594][ T10] ipv6_find_idev+0x102/0x170 [ 2241.715594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.715594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.715594][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.715594][ T10] netlink_unicast+0x449/0x710 [ 2241.715594][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.715594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.715594][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.715594][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.715594][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.715594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.715594][ T10] [ 2241.717336][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2241.717646][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2241.717646][ T10] netdev_get_by_index+0x5e/0x80 [ 2241.717646][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2241.717646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2241.717646][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2241.717646][ T10] ipv6_add_addr+0x411/0x2000 [ 2241.717646][ T10] inet6_addr_add+0x30e/0xa40 [ 2241.717646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2241.717646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.717646][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.717646][ T10] netlink_unicast+0x449/0x710 [ 2241.717646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.717646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.717646][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.717646][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.717646][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.717646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.717646][ T10] [ 2241.719633][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2241.719633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2241.719633][ T10] ipv6_find_idev+0x102/0x170 [ 2241.719633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.719633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.719633][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.719633][ T10] netlink_unicast+0x449/0x710 [ 2241.719633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.719633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.719633][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.719633][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.719633][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.719633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.719633][ T10] [ 2241.721162][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2241.721162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2241.721162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2241.721162][ T10] ipv6_find_idev+0x102/0x170 [ 2241.721162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.721162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.721162][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.721162][ T10] netlink_unicast+0x449/0x710 [ 2241.721162][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.721162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.721162][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.721162][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.721162][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.721162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.721162][ T10] [ 2241.723066][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2241.723390][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2241.723390][ T10] netdev_get_by_index+0x5e/0x80 [ 2241.723390][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2241.723390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2241.723390][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2241.723390][ T10] ipv6_add_addr+0x411/0x2000 [ 2241.723390][ T10] inet6_addr_add+0x30e/0xa40 [ 2241.723390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2241.723390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.723390][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.723390][ T10] netlink_unicast+0x449/0x710 [ 2241.723390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.723390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.723390][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.723390][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.723390][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.723390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.723390][ T10] [ 2241.725694][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2241.725694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2241.725694][ T10] ipv6_find_idev+0x102/0x170 [ 2241.725694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.725694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.725694][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.725694][ T10] netlink_unicast+0x449/0x710 [ 2241.725694][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.725694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.725694][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.725694][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.725694][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.725694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.725694][ T10] [ 2241.727453][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2241.727453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2241.727453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2241.727453][ T10] ipv6_find_idev+0x102/0x170 [ 2241.727453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.727453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.727453][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.727453][ T10] netlink_unicast+0x449/0x710 [ 2241.727453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.727453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.727453][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.727453][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.727453][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.727453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.727453][ T10] [ 2241.729501][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2241.729811][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2241.729811][ T10] netdev_get_by_index+0x5e/0x80 [ 2241.729811][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2241.729811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2241.729811][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2241.729811][ T10] ipv6_add_addr+0x411/0x2000 [ 2241.729811][ T10] inet6_addr_add+0x30e/0xa40 [ 2241.729811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2241.729811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.729811][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.729811][ T10] netlink_unicast+0x449/0x710 [ 2241.729811][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.729811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.729811][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.729811][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.729811][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.729811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.729811][ T10] [ 2241.732023][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2241.732023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2241.732023][ T10] ipv6_find_idev+0x102/0x170 [ 2241.732023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.732023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.732023][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.732023][ T10] netlink_unicast+0x449/0x710 [ 2241.732023][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.732023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.732023][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.732023][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.732023][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.732023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.732023][ T10] [ 2241.733725][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2241.733725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2241.733725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2241.733725][ T10] ipv6_find_idev+0x102/0x170 [ 2241.733725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2241.733725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2241.733725][ T10] netlink_rcv_skb+0x130/0x360 [ 2241.733725][ T10] netlink_unicast+0x449/0x710 [ 2241.733725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2241.733725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2241.733725][ T10] ___sys_sendmsg+0xee/0x170 [ 2241.733725][ T10] __sys_sendmsg+0xcd/0x170 [ 2241.733725][ T10] do_syscall_64+0xc6/0x1e0 [ 2241.733725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2241.733725][ T10] [ 2251.736210][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2251.736650][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2251.736650][ T10] netdev_get_by_index+0x5e/0x80 [ 2251.736650][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2251.736650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2251.736650][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2251.736650][ T10] ipv6_add_addr+0x411/0x2000 [ 2251.736650][ T10] inet6_addr_add+0x30e/0xa40 [ 2251.736650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2251.736650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.736650][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.736650][ T10] netlink_unicast+0x449/0x710 [ 2251.736650][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.736650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.736650][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.736650][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.736650][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.736650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.736650][ T10] [ 2251.738677][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2251.738677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2251.738677][ T10] ipv6_find_idev+0x102/0x170 [ 2251.738677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.738677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.738677][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.738677][ T10] netlink_unicast+0x449/0x710 [ 2251.738677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.738677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.738677][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.738677][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.738677][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.738677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.738677][ T10] [ 2251.740217][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2251.740217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2251.740217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2251.740217][ T10] ipv6_find_idev+0x102/0x170 [ 2251.740217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.740217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.740217][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.740217][ T10] netlink_unicast+0x449/0x710 [ 2251.740217][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.740217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.740217][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.740217][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.740217][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.740217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.740217][ T10] [ 2251.741937][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2251.742244][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2251.742244][ T10] netdev_get_by_index+0x5e/0x80 [ 2251.742244][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2251.742244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2251.742244][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2251.742244][ T10] ipv6_add_addr+0x411/0x2000 [ 2251.742244][ T10] inet6_addr_add+0x30e/0xa40 [ 2251.742244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2251.742244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.742244][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.742244][ T10] netlink_unicast+0x449/0x710 [ 2251.742244][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.742244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.742244][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.742244][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.742244][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.742244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.742244][ T10] [ 2251.744273][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2251.744273][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2251.744273][ T10] ipv6_find_idev+0x102/0x170 [ 2251.744273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.744273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.744273][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.744273][ T10] netlink_unicast+0x449/0x710 [ 2251.744273][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.744273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.744273][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.744273][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.744273][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.744273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.744273][ T10] [ 2251.745824][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2251.745824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2251.745824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2251.745824][ T10] ipv6_find_idev+0x102/0x170 [ 2251.745824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.745824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.745824][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.745824][ T10] netlink_unicast+0x449/0x710 [ 2251.745824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.745824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.745824][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.745824][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.745824][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.745824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.745824][ T10] [ 2251.747504][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2251.747782][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2251.747782][ T10] netdev_get_by_index+0x5e/0x80 [ 2251.747782][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2251.747782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2251.747782][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2251.747782][ T10] ipv6_add_addr+0x411/0x2000 [ 2251.747782][ T10] inet6_addr_add+0x30e/0xa40 [ 2251.747782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2251.747782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.747782][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.747782][ T10] netlink_unicast+0x449/0x710 [ 2251.747782][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.747782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.747782][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.747782][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.747782][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.747782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.747782][ T10] [ 2251.749840][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2251.749840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2251.749840][ T10] ipv6_find_idev+0x102/0x170 [ 2251.749840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.749840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.749840][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.749840][ T10] netlink_unicast+0x449/0x710 [ 2251.749840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.749840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.749840][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.749840][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.749840][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.749840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.749840][ T10] [ 2251.751430][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2251.751430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2251.751430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2251.751430][ T10] ipv6_find_idev+0x102/0x170 [ 2251.751430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.751430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.751430][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.751430][ T10] netlink_unicast+0x449/0x710 [ 2251.751430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.751430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.751430][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.751430][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.751430][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.751430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.751430][ T10] [ 2251.753113][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2251.753392][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2251.753392][ T10] netdev_get_by_index+0x5e/0x80 [ 2251.753392][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2251.753392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2251.753392][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2251.753392][ T10] ipv6_add_addr+0x411/0x2000 [ 2251.753392][ T10] inet6_addr_add+0x30e/0xa40 [ 2251.753392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2251.753392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.753392][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.753392][ T10] netlink_unicast+0x449/0x710 [ 2251.753392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.753392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.753392][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.753392][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.753392][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.753392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.753392][ T10] [ 2251.755446][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2251.755446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2251.755446][ T10] ipv6_find_idev+0x102/0x170 [ 2251.755446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.755446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.755446][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.755446][ T10] netlink_unicast+0x449/0x710 [ 2251.755446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.755446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.755446][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.755446][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.755446][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.755446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.755446][ T10] [ 2251.756977][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2251.756977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2251.756977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2251.756977][ T10] ipv6_find_idev+0x102/0x170 [ 2251.756977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.756977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.756977][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.756977][ T10] netlink_unicast+0x449/0x710 [ 2251.756977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.756977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.756977][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.756977][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.756977][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.756977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.756977][ T10] [ 2251.759076][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2251.759691][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2251.759691][ T10] netdev_get_by_index+0x5e/0x80 [ 2251.759691][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2251.759691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2251.759691][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2251.759691][ T10] ipv6_add_addr+0x411/0x2000 [ 2251.759691][ T10] inet6_addr_add+0x30e/0xa40 [ 2251.759691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2251.759691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.759691][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.759691][ T10] netlink_unicast+0x449/0x710 [ 2251.759691][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.759691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.759691][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.759691][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.759691][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.759691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.759691][ T10] [ 2251.761664][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2251.761664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2251.761664][ T10] ipv6_find_idev+0x102/0x170 [ 2251.761664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.761664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.761664][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.761664][ T10] netlink_unicast+0x449/0x710 [ 2251.761664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.761664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.761664][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.761664][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.761664][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.761664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.761664][ T10] [ 2251.763200][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2251.763200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2251.763200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2251.763200][ T10] ipv6_find_idev+0x102/0x170 [ 2251.763200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.763200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.763200][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.763200][ T10] netlink_unicast+0x449/0x710 [ 2251.763200][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.763200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.763200][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.763200][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.763200][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.763200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.763200][ T10] [ 2251.764925][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2251.765260][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2251.765260][ T10] netdev_get_by_index+0x5e/0x80 [ 2251.765260][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2251.765260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2251.765260][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2251.765260][ T10] ipv6_add_addr+0x411/0x2000 [ 2251.765260][ T10] inet6_addr_add+0x30e/0xa40 [ 2251.765260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2251.765260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.765260][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.765260][ T10] netlink_unicast+0x449/0x710 [ 2251.765260][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.765260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.765260][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.765260][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.765260][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.765260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.765260][ T10] [ 2251.767332][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2251.767332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2251.767332][ T10] ipv6_find_idev+0x102/0x170 [ 2251.767332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.767332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.767332][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.767332][ T10] netlink_unicast+0x449/0x710 [ 2251.767332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.767332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.767332][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.767332][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.767332][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.767332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.767332][ T10] [ 2251.768899][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2251.768899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2251.768899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2251.768899][ T10] ipv6_find_idev+0x102/0x170 [ 2251.768899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.768899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.768899][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.768899][ T10] netlink_unicast+0x449/0x710 [ 2251.768899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.768899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.768899][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.768899][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.768899][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.768899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.768899][ T10] [ 2251.770997][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2251.771339][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2251.771339][ T10] netdev_get_by_index+0x5e/0x80 [ 2251.771339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2251.771339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2251.771339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2251.771339][ T10] ipv6_add_addr+0x411/0x2000 [ 2251.771339][ T10] inet6_addr_add+0x30e/0xa40 [ 2251.771339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2251.771339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.771339][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.771339][ T10] netlink_unicast+0x449/0x710 [ 2251.771339][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.771339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.771339][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.771339][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.771339][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.771339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.771339][ T10] [ 2251.773594][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2251.773594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2251.773594][ T10] ipv6_find_idev+0x102/0x170 [ 2251.773594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.773594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.773594][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.773594][ T10] netlink_unicast+0x449/0x710 [ 2251.773594][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.773594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.773594][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.773594][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.773594][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.773594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.773594][ T10] [ 2251.775334][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2251.775334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2251.775334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2251.775334][ T10] ipv6_find_idev+0x102/0x170 [ 2251.775334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.775334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.775334][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.775334][ T10] netlink_unicast+0x449/0x710 [ 2251.775334][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.775334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.775334][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.775334][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.775334][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.775334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.775334][ T10] [ 2251.777268][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2251.777595][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2251.777595][ T10] netdev_get_by_index+0x5e/0x80 [ 2251.777595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2251.777595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2251.777595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2251.777595][ T10] ipv6_add_addr+0x411/0x2000 [ 2251.777595][ T10] inet6_addr_add+0x30e/0xa40 [ 2251.777595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2251.777595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.777595][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.777595][ T10] netlink_unicast+0x449/0x710 [ 2251.777595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.777595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.777595][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.777595][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.777595][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.777595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.777595][ T10] [ 2251.779751][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2251.779751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2251.779751][ T10] ipv6_find_idev+0x102/0x170 [ 2251.779751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.779751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.779751][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.779751][ T10] netlink_unicast+0x449/0x710 [ 2251.779751][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.779751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.779751][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.779751][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.779751][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.779751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.779751][ T10] [ 2251.781503][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2251.781503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2251.781503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2251.781503][ T10] ipv6_find_idev+0x102/0x170 [ 2251.781503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2251.781503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2251.781503][ T10] netlink_rcv_skb+0x130/0x360 [ 2251.781503][ T10] netlink_unicast+0x449/0x710 [ 2251.781503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2251.781503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2251.781503][ T10] ___sys_sendmsg+0xee/0x170 [ 2251.781503][ T10] __sys_sendmsg+0xcd/0x170 [ 2251.781503][ T10] do_syscall_64+0xc6/0x1e0 [ 2251.781503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2251.781503][ T10] [ 2261.856224][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2261.856695][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2261.856695][ T10] netdev_get_by_index+0x5e/0x80 [ 2261.856695][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2261.856695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2261.856695][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2261.856695][ T10] ipv6_add_addr+0x411/0x2000 [ 2261.856695][ T10] inet6_addr_add+0x30e/0xa40 [ 2261.856695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2261.856695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.856695][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.856695][ T10] netlink_unicast+0x449/0x710 [ 2261.856695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.856695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.856695][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.856695][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.856695][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.856695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.856695][ T10] [ 2261.858749][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2261.858749][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2261.858749][ T10] ipv6_find_idev+0x102/0x170 [ 2261.858749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.858749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.858749][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.858749][ T10] netlink_unicast+0x449/0x710 [ 2261.858749][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.858749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.858749][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.858749][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.858749][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.858749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.858749][ T10] [ 2261.860323][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2261.860323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2261.860323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2261.860323][ T10] ipv6_find_idev+0x102/0x170 [ 2261.860323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.860323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.860323][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.860323][ T10] netlink_unicast+0x449/0x710 [ 2261.860323][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.860323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.860323][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.860323][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.860323][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.860323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.860323][ T10] [ 2261.862056][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2261.862462][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2261.862462][ T10] netdev_get_by_index+0x5e/0x80 [ 2261.862462][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2261.862462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2261.862462][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2261.862462][ T10] ipv6_add_addr+0x411/0x2000 [ 2261.862462][ T10] inet6_addr_add+0x30e/0xa40 [ 2261.862462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2261.862462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.862462][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.862462][ T10] netlink_unicast+0x449/0x710 [ 2261.862462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.862462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.862462][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.862462][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.862462][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.862462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.862462][ T10] [ 2261.864533][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2261.864533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2261.864533][ T10] ipv6_find_idev+0x102/0x170 [ 2261.864533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.864533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.864533][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.864533][ T10] netlink_unicast+0x449/0x710 [ 2261.864533][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.864533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.864533][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.864533][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.864533][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.864533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.864533][ T10] [ 2261.866136][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2261.866136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2261.866136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2261.866136][ T10] ipv6_find_idev+0x102/0x170 [ 2261.866136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.866136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.866136][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.866136][ T10] netlink_unicast+0x449/0x710 [ 2261.866136][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.866136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.866136][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.866136][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.866136][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.866136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.866136][ T10] [ 2261.867842][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2261.868129][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2261.868129][ T10] netdev_get_by_index+0x5e/0x80 [ 2261.868129][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2261.868129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2261.868129][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2261.868129][ T10] ipv6_add_addr+0x411/0x2000 [ 2261.868129][ T10] inet6_addr_add+0x30e/0xa40 [ 2261.868129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2261.868129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.868129][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.868129][ T10] netlink_unicast+0x449/0x710 [ 2261.868129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.868129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.868129][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.868129][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.868129][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.868129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.868129][ T10] [ 2261.870176][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2261.870176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2261.870176][ T10] ipv6_find_idev+0x102/0x170 [ 2261.870176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.870176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.870176][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.870176][ T10] netlink_unicast+0x449/0x710 [ 2261.870176][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.870176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.870176][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.870176][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.870176][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.870176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.870176][ T10] [ 2261.871741][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2261.871741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2261.871741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2261.871741][ T10] ipv6_find_idev+0x102/0x170 [ 2261.871741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.871741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.871741][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.871741][ T10] netlink_unicast+0x449/0x710 [ 2261.871741][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.871741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.871741][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.871741][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.871741][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.871741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.871741][ T10] [ 2261.873419][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2261.873710][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2261.873710][ T10] netdev_get_by_index+0x5e/0x80 [ 2261.873710][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2261.873710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2261.873710][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2261.873710][ T10] ipv6_add_addr+0x411/0x2000 [ 2261.873710][ T10] inet6_addr_add+0x30e/0xa40 [ 2261.873710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2261.873710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.873710][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.873710][ T10] netlink_unicast+0x449/0x710 [ 2261.873710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.873710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.873710][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.873710][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.873710][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.873710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.873710][ T10] [ 2261.875737][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2261.875737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2261.875737][ T10] ipv6_find_idev+0x102/0x170 [ 2261.875737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.875737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.875737][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.875737][ T10] netlink_unicast+0x449/0x710 [ 2261.875737][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.875737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.875737][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.875737][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.875737][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.875737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.875737][ T10] [ 2261.877302][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2261.877302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2261.877302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2261.877302][ T10] ipv6_find_idev+0x102/0x170 [ 2261.877302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.877302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.877302][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.877302][ T10] netlink_unicast+0x449/0x710 [ 2261.877302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.877302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.877302][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.877302][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.877302][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.877302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.877302][ T10] [ 2261.879525][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2261.879800][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2261.879800][ T10] netdev_get_by_index+0x5e/0x80 [ 2261.879800][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2261.879800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2261.879800][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2261.879800][ T10] ipv6_add_addr+0x411/0x2000 [ 2261.879800][ T10] inet6_addr_add+0x30e/0xa40 [ 2261.879800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2261.879800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.879800][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.879800][ T10] netlink_unicast+0x449/0x710 [ 2261.879800][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.879800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.879800][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.879800][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.879800][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.879800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.879800][ T10] [ 2261.881814][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2261.881814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2261.881814][ T10] ipv6_find_idev+0x102/0x170 [ 2261.881814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.881814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.881814][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.881814][ T10] netlink_unicast+0x449/0x710 [ 2261.881814][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.881814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.881814][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.881814][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.881814][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.881814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.881814][ T10] [ 2261.883386][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2261.883386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2261.883386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2261.883386][ T10] ipv6_find_idev+0x102/0x170 [ 2261.883386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.883386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.883386][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.883386][ T10] netlink_unicast+0x449/0x710 [ 2261.883386][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.883386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.883386][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.883386][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.883386][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.883386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.883386][ T10] [ 2261.885206][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2261.885487][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2261.885487][ T10] netdev_get_by_index+0x5e/0x80 [ 2261.885487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2261.885487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2261.885487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2261.885487][ T10] ipv6_add_addr+0x411/0x2000 [ 2261.885487][ T10] inet6_addr_add+0x30e/0xa40 [ 2261.885487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2261.885487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.885487][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.885487][ T10] netlink_unicast+0x449/0x710 [ 2261.885487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.885487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.885487][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.885487][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.885487][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.885487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.885487][ T10] [ 2261.887512][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2261.887512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2261.887512][ T10] ipv6_find_idev+0x102/0x170 [ 2261.887512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.887512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.887512][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.887512][ T10] netlink_unicast+0x449/0x710 [ 2261.887512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.887512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.887512][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.887512][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.887512][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.887512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.887512][ T10] [ 2261.889069][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2261.889069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2261.889069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2261.889069][ T10] ipv6_find_idev+0x102/0x170 [ 2261.889069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.889069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.889069][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.889069][ T10] netlink_unicast+0x449/0x710 [ 2261.889069][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.889069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.889069][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.889069][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.889069][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.889069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.889069][ T10] [ 2261.891038][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2261.891374][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2261.891374][ T10] netdev_get_by_index+0x5e/0x80 [ 2261.891374][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2261.891374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2261.891374][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2261.891374][ T10] ipv6_add_addr+0x411/0x2000 [ 2261.891374][ T10] inet6_addr_add+0x30e/0xa40 [ 2261.891374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2261.891374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.891374][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.891374][ T10] netlink_unicast+0x449/0x710 [ 2261.891374][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.891374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.891374][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.891374][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.891374][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.891374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.891374][ T10] [ 2261.893626][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2261.893626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2261.893626][ T10] ipv6_find_idev+0x102/0x170 [ 2261.893626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.893626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.893626][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.893626][ T10] netlink_unicast+0x449/0x710 [ 2261.893626][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.893626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.893626][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.893626][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.893626][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.893626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.893626][ T10] [ 2261.895363][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2261.895363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2261.895363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2261.895363][ T10] ipv6_find_idev+0x102/0x170 [ 2261.895363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.895363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.895363][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.895363][ T10] netlink_unicast+0x449/0x710 [ 2261.895363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.895363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.895363][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.895363][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.895363][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.895363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.895363][ T10] [ 2261.897304][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2261.897591][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2261.897591][ T10] netdev_get_by_index+0x5e/0x80 [ 2261.897591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2261.897591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2261.897591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2261.897591][ T10] ipv6_add_addr+0x411/0x2000 [ 2261.897591][ T10] inet6_addr_add+0x30e/0xa40 [ 2261.897591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2261.897591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.897591][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.897591][ T10] netlink_unicast+0x449/0x710 [ 2261.897591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.897591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.897591][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.897591][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.897591][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.897591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.897591][ T10] [ 2261.899904][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2261.899904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2261.899904][ T10] ipv6_find_idev+0x102/0x170 [ 2261.899904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.899904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.899904][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.899904][ T10] netlink_unicast+0x449/0x710 [ 2261.899904][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.899904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.899904][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.899904][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.899904][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.899904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.899904][ T10] [ 2261.901638][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2261.901638][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2261.901638][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2261.901638][ T10] ipv6_find_idev+0x102/0x170 [ 2261.901638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2261.901638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2261.901638][ T10] netlink_rcv_skb+0x130/0x360 [ 2261.901638][ T10] netlink_unicast+0x449/0x710 [ 2261.901638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2261.901638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2261.901638][ T10] ___sys_sendmsg+0xee/0x170 [ 2261.901638][ T10] __sys_sendmsg+0xcd/0x170 [ 2261.901638][ T10] do_syscall_64+0xc6/0x1e0 [ 2261.901638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2261.901638][ T10] [ 2272.016204][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2272.016645][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2272.016645][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.016645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.016645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.016645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.016645][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.016645][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.016645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.016645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.016645][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.016645][ T10] netlink_unicast+0x449/0x710 [ 2272.016645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.016645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.016645][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.016645][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.016645][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.016645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.016645][ T10] [ 2272.018712][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2272.018712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.018712][ T10] ipv6_find_idev+0x102/0x170 [ 2272.018712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.018712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.018712][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.018712][ T10] netlink_unicast+0x449/0x710 [ 2272.018712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.018712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.018712][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.018712][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.018712][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.018712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.018712][ T10] [ 2272.020302][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2272.020302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.020302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.020302][ T10] ipv6_find_idev+0x102/0x170 [ 2272.020302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.020302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.020302][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.020302][ T10] netlink_unicast+0x449/0x710 [ 2272.020302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.020302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.020302][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.020302][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.020302][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.020302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.020302][ T10] [ 2272.022027][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2272.022339][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2272.022339][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.022339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.022339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.022339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.022339][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.022339][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.022339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.022339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.022339][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.022339][ T10] netlink_unicast+0x449/0x710 [ 2272.022339][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.022339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.022339][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.022339][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.022339][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.022339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.022339][ T10] [ 2272.024375][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2272.024375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.024375][ T10] ipv6_find_idev+0x102/0x170 [ 2272.024375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.024375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.024375][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.024375][ T10] netlink_unicast+0x449/0x710 [ 2272.024375][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.024375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.024375][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.024375][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.024375][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.024375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.024375][ T10] [ 2272.025904][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2272.025904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.025904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.025904][ T10] ipv6_find_idev+0x102/0x170 [ 2272.025904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.025904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.025904][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.025904][ T10] netlink_unicast+0x449/0x710 [ 2272.025904][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.025904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.025904][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.025904][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.025904][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.025904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.025904][ T10] [ 2272.027608][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2272.027883][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2272.027883][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.027883][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.027883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.027883][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.027883][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.027883][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.027883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.027883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.027883][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.027883][ T10] netlink_unicast+0x449/0x710 [ 2272.027883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.027883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.027883][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.027883][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.027883][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.027883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.027883][ T10] [ 2272.029886][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2272.029886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.029886][ T10] ipv6_find_idev+0x102/0x170 [ 2272.029886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.029886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.029886][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.029886][ T10] netlink_unicast+0x449/0x710 [ 2272.029886][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.029886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.029886][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.029886][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.029886][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.029886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.029886][ T10] [ 2272.031453][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2272.031453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.031453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.031453][ T10] ipv6_find_idev+0x102/0x170 [ 2272.031453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.031453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.031453][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.031453][ T10] netlink_unicast+0x449/0x710 [ 2272.031453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.031453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.031453][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.031453][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.031453][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.031453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.031453][ T10] [ 2272.033114][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2272.033407][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2272.033407][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.033407][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.033407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.033407][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.033407][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.033407][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.033407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.033407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.033407][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.033407][ T10] netlink_unicast+0x449/0x710 [ 2272.033407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.033407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.033407][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.033407][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.033407][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.033407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.033407][ T10] [ 2272.035441][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2272.035441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.035441][ T10] ipv6_find_idev+0x102/0x170 [ 2272.035441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.035441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.035441][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.035441][ T10] netlink_unicast+0x449/0x710 [ 2272.035441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.035441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.035441][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.035441][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.035441][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.035441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.035441][ T10] [ 2272.036976][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2272.036976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.036976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.036976][ T10] ipv6_find_idev+0x102/0x170 [ 2272.036976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.036976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.036976][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.036976][ T10] netlink_unicast+0x449/0x710 [ 2272.036976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.036976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.036976][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.036976][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.036976][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.036976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.036976][ T10] [ 2272.038752][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2272.039069][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2272.039069][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.039069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.039069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.039069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.039069][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.039069][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.039069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.039069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.039069][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.039069][ T10] netlink_unicast+0x449/0x710 [ 2272.039069][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.039069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.039069][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.039069][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.039069][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.039069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.039069][ T10] [ 2272.041103][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2272.041103][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.041103][ T10] ipv6_find_idev+0x102/0x170 [ 2272.041103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.041103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.041103][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.041103][ T10] netlink_unicast+0x449/0x710 [ 2272.041103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.041103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.041103][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.041103][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.041103][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.041103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.041103][ T10] [ 2272.042647][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2272.042647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.042647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.042647][ T10] ipv6_find_idev+0x102/0x170 [ 2272.042647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.042647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.042647][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.042647][ T10] netlink_unicast+0x449/0x710 [ 2272.042647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.042647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.042647][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.042647][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.042647][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.042647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.042647][ T10] [ 2272.044501][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2272.044817][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2272.044817][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.044817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.044817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.044817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.044817][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.044817][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.044817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.044817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.044817][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.044817][ T10] netlink_unicast+0x449/0x710 [ 2272.044817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.044817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.044817][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.044817][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.044817][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.044817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.044817][ T10] [ 2272.046931][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2272.046931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.046931][ T10] ipv6_find_idev+0x102/0x170 [ 2272.046931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.046931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.046931][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.046931][ T10] netlink_unicast+0x449/0x710 [ 2272.046931][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.046931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.046931][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.046931][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.046931][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.046931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.046931][ T10] [ 2272.048628][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2272.048628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.048628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.048628][ T10] ipv6_find_idev+0x102/0x170 [ 2272.048628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.048628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.048628][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.048628][ T10] netlink_unicast+0x449/0x710 [ 2272.048628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.048628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.048628][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.048628][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.048628][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.048628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.048628][ T10] [ 2272.050433][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2272.050748][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2272.050748][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.050748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.050748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.050748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.050748][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.050748][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.050748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.050748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.050748][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.050748][ T10] netlink_unicast+0x449/0x710 [ 2272.050748][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.050748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.050748][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.050748][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.050748][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.050748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.050748][ T10] [ 2272.052869][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2272.052869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.052869][ T10] ipv6_find_idev+0x102/0x170 [ 2272.052869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.052869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.052869][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.052869][ T10] netlink_unicast+0x449/0x710 [ 2272.052869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.052869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.052869][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.052869][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.052869][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.052869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.052869][ T10] [ 2272.054534][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2272.054534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.054534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.054534][ T10] ipv6_find_idev+0x102/0x170 [ 2272.054534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.054534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.054534][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.054534][ T10] netlink_unicast+0x449/0x710 [ 2272.054534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.054534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.054534][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.054534][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.054534][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.054534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.054534][ T10] [ 2272.056385][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2272.056705][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2272.056705][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.056705][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.056705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.056705][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.056705][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.056705][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.056705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.056705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.056705][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.056705][ T10] netlink_unicast+0x449/0x710 [ 2272.056705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.056705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.056705][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.056705][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.056705][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.056705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.056705][ T10] [ 2272.058774][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2272.058774][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.058774][ T10] ipv6_find_idev+0x102/0x170 [ 2272.058774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.058774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.058774][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.058774][ T10] netlink_unicast+0x449/0x710 [ 2272.058774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.058774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.058774][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.058774][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.058774][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.058774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.058774][ T10] [ 2272.060418][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2272.060418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.060418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.060418][ T10] ipv6_find_idev+0x102/0x170 [ 2272.060418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.060418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.060418][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.060418][ T10] netlink_unicast+0x449/0x710 [ 2272.060418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.060418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.060418][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.060418][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.060418][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.060418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.060418][ T10] [ 2282.304201][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2282.304675][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2282.304675][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.304675][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.304675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.304675][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.304675][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.304675][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.304675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.304675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.304675][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.304675][ T10] netlink_unicast+0x449/0x710 [ 2282.304675][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.304675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.304675][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.304675][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.304675][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.304675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.304675][ T10] [ 2282.306666][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2282.306666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.306666][ T10] ipv6_find_idev+0x102/0x170 [ 2282.306666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.306666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.306666][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.306666][ T10] netlink_unicast+0x449/0x710 [ 2282.306666][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.306666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.306666][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.306666][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.306666][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.306666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.306666][ T10] [ 2282.308169][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2282.308169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.308169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.308169][ T10] ipv6_find_idev+0x102/0x170 [ 2282.308169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.308169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.308169][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.308169][ T10] netlink_unicast+0x449/0x710 [ 2282.308169][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.308169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.308169][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.308169][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.308169][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.308169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.308169][ T10] [ 2282.309853][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2282.310141][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2282.310141][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.310141][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.310141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.310141][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.310141][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.310141][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.310141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.310141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.310141][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.310141][ T10] netlink_unicast+0x449/0x710 [ 2282.310141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.310141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.310141][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.310141][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.310141][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.310141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.310141][ T10] [ 2282.312068][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2282.312068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.312068][ T10] ipv6_find_idev+0x102/0x170 [ 2282.312068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.312068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.312068][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.312068][ T10] netlink_unicast+0x449/0x710 [ 2282.312068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.312068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.312068][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.312068][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.312068][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.312068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.312068][ T10] [ 2282.313563][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2282.313563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.313563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.313563][ T10] ipv6_find_idev+0x102/0x170 [ 2282.313563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.313563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.313563][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.313563][ T10] netlink_unicast+0x449/0x710 [ 2282.313563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.313563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.313563][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.313563][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.313563][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.313563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.313563][ T10] [ 2282.315257][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2282.315517][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2282.315517][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.315517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.315517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.315517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.315517][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.315517][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.315517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.315517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.315517][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.315517][ T10] netlink_unicast+0x449/0x710 [ 2282.315517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.315517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.315517][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.315517][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.315517][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.315517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.315517][ T10] [ 2282.317455][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2282.317455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.317455][ T10] ipv6_find_idev+0x102/0x170 [ 2282.317455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.317455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.317455][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.317455][ T10] netlink_unicast+0x449/0x710 [ 2282.317455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.317455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.317455][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.317455][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.317455][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.317455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.317455][ T10] [ 2282.319005][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2282.319005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.319005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.319005][ T10] ipv6_find_idev+0x102/0x170 [ 2282.319005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.319005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.319005][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.319005][ T10] netlink_unicast+0x449/0x710 [ 2282.319005][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.319005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.319005][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.319005][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.319005][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.319005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.319005][ T10] [ 2282.320676][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2282.320953][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2282.320953][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.320953][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.320953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.320953][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.320953][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.320953][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.320953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.320953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.320953][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.320953][ T10] netlink_unicast+0x449/0x710 [ 2282.320953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.320953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.320953][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.320953][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.320953][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.320953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.320953][ T10] [ 2282.322934][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2282.322934][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.322934][ T10] ipv6_find_idev+0x102/0x170 [ 2282.322934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.322934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.322934][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.322934][ T10] netlink_unicast+0x449/0x710 [ 2282.322934][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.322934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.322934][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.322934][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.322934][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.322934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.322934][ T10] [ 2282.324485][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2282.324485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.324485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.324485][ T10] ipv6_find_idev+0x102/0x170 [ 2282.324485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.324485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.324485][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.324485][ T10] netlink_unicast+0x449/0x710 [ 2282.324485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.324485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.324485][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.324485][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.324485][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.324485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.324485][ T10] [ 2282.326563][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2282.327184][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2282.327184][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.327184][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.327184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.327184][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.327184][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.327184][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.327184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.327184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.327184][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.327184][ T10] netlink_unicast+0x449/0x710 [ 2282.327184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.327184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.327184][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.327184][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.327184][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.327184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.327184][ T10] [ 2282.329161][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2282.329161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.329161][ T10] ipv6_find_idev+0x102/0x170 [ 2282.329161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.329161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.329161][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.329161][ T10] netlink_unicast+0x449/0x710 [ 2282.329161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.329161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.329161][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.329161][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.329161][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.329161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.329161][ T10] [ 2282.330650][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2282.330650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.330650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.330650][ T10] ipv6_find_idev+0x102/0x170 [ 2282.330650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.330650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.330650][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.330650][ T10] netlink_unicast+0x449/0x710 [ 2282.330650][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.330650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.330650][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.330650][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.330650][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.330650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.330650][ T10] [ 2282.332339][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2282.332609][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2282.332609][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.332609][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.332609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.332609][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.332609][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.332609][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.332609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.332609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.332609][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.332609][ T10] netlink_unicast+0x449/0x710 [ 2282.332609][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.332609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.332609][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.332609][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.332609][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.332609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.332609][ T10] [ 2282.334638][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2282.334638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.334638][ T10] ipv6_find_idev+0x102/0x170 [ 2282.334638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.334638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.334638][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.334638][ T10] netlink_unicast+0x449/0x710 [ 2282.334638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.334638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.334638][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.334638][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.334638][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.334638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.334638][ T10] [ 2282.336213][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2282.336213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.336213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.336213][ T10] ipv6_find_idev+0x102/0x170 [ 2282.336213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.336213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.336213][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.336213][ T10] netlink_unicast+0x449/0x710 [ 2282.336213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.336213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.336213][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.336213][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.336213][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.336213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.336213][ T10] [ 2282.338156][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2282.338467][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2282.338467][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.338467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.338467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.338467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.338467][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.338467][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.338467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.338467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.338467][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.338467][ T10] netlink_unicast+0x449/0x710 [ 2282.338467][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.338467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.338467][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.338467][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.338467][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.338467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.338467][ T10] [ 2282.340585][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2282.340585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.340585][ T10] ipv6_find_idev+0x102/0x170 [ 2282.340585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.340585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.340585][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.340585][ T10] netlink_unicast+0x449/0x710 [ 2282.340585][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.340585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.340585][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.340585][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.340585][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.340585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.340585][ T10] [ 2282.342255][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2282.342255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.342255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.342255][ T10] ipv6_find_idev+0x102/0x170 [ 2282.342255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.342255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.342255][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.342255][ T10] netlink_unicast+0x449/0x710 [ 2282.342255][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.342255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.342255][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.342255][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.342255][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.342255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.342255][ T10] [ 2282.344164][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2282.344468][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2282.344468][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.344468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.344468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.344468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.344468][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.344468][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.344468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.344468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.344468][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.344468][ T10] netlink_unicast+0x449/0x710 [ 2282.344468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.344468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.344468][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.344468][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.344468][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.344468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.344468][ T10] [ 2282.346585][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2282.346585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.346585][ T10] ipv6_find_idev+0x102/0x170 [ 2282.346585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.346585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.346585][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.346585][ T10] netlink_unicast+0x449/0x710 [ 2282.346585][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.346585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.346585][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.346585][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.346585][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.346585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.346585][ T10] [ 2282.348303][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2282.348303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.348303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.348303][ T10] ipv6_find_idev+0x102/0x170 [ 2282.348303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.348303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.348303][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.348303][ T10] netlink_unicast+0x449/0x710 [ 2282.348303][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.348303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.348303][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.348303][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.348303][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.348303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.348303][ T10] [ 2292.592275][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2292.592710][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2292.592710][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.592710][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.592710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.592710][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.592710][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.592710][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.592710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.592710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.592710][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.592710][ T10] netlink_unicast+0x449/0x710 [ 2292.592710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.592710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.592710][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.592710][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.592710][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.592710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.592710][ T10] [ 2292.594667][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2292.594667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.594667][ T10] ipv6_find_idev+0x102/0x170 [ 2292.594667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.594667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.594667][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.594667][ T10] netlink_unicast+0x449/0x710 [ 2292.594667][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.594667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.594667][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.594667][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.594667][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.594667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.594667][ T10] [ 2292.596151][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2292.596151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.596151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.596151][ T10] ipv6_find_idev+0x102/0x170 [ 2292.596151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.596151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.596151][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.596151][ T10] netlink_unicast+0x449/0x710 [ 2292.596151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.596151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.596151][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.596151][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.596151][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.596151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.596151][ T10] [ 2292.597807][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2292.598073][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2292.598073][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.598073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.598073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.598073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.598073][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.598073][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.598073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.598073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.598073][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.598073][ T10] netlink_unicast+0x449/0x710 [ 2292.598073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.598073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.598073][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.598073][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.598073][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.598073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.598073][ T10] [ 2292.600012][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2292.600012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.600012][ T10] ipv6_find_idev+0x102/0x170 [ 2292.600012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.600012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.600012][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.600012][ T10] netlink_unicast+0x449/0x710 [ 2292.600012][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.600012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.600012][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.600012][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.600012][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.600012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.600012][ T10] [ 2292.601501][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2292.601501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.601501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.601501][ T10] ipv6_find_idev+0x102/0x170 [ 2292.601501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.601501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.601501][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.601501][ T10] netlink_unicast+0x449/0x710 [ 2292.601501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.601501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.601501][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.601501][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.601501][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.601501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.601501][ T10] [ 2292.603136][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2292.603421][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2292.603421][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.603421][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.603421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.603421][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.603421][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.603421][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.603421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.603421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.603421][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.603421][ T10] netlink_unicast+0x449/0x710 [ 2292.603421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.603421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.603421][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.603421][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.603421][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.603421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.603421][ T10] [ 2292.605396][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2292.605396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.605396][ T10] ipv6_find_idev+0x102/0x170 [ 2292.605396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.605396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.605396][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.605396][ T10] netlink_unicast+0x449/0x710 [ 2292.605396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.605396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.605396][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.605396][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.605396][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.605396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.605396][ T10] [ 2292.606914][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2292.606914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.606914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.606914][ T10] ipv6_find_idev+0x102/0x170 [ 2292.606914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.606914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.606914][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.606914][ T10] netlink_unicast+0x449/0x710 [ 2292.606914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.606914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.606914][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.606914][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.606914][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.606914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.606914][ T10] [ 2292.608580][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2292.608845][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2292.608845][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.608845][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.608845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.608845][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.608845][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.608845][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.608845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.608845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.608845][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.608845][ T10] netlink_unicast+0x449/0x710 [ 2292.608845][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.608845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.608845][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.608845][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.608845][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.608845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.608845][ T10] [ 2292.610809][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2292.610809][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.610809][ T10] ipv6_find_idev+0x102/0x170 [ 2292.610809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.610809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.610809][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.610809][ T10] netlink_unicast+0x449/0x710 [ 2292.610809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.610809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.610809][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.610809][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.610809][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.610809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.610809][ T10] [ 2292.612319][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2292.612319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.612319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.612319][ T10] ipv6_find_idev+0x102/0x170 [ 2292.612319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.612319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.612319][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.612319][ T10] netlink_unicast+0x449/0x710 [ 2292.612319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.612319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.612319][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.612319][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.612319][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.612319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.612319][ T10] [ 2292.614369][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2292.614626][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2292.614626][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.614626][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.614626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.614626][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.614626][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.614626][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.614626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.614626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.614626][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.614626][ T10] netlink_unicast+0x449/0x710 [ 2292.614626][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.614626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.614626][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.614626][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.614626][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.614626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.614626][ T10] [ 2292.616556][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2292.616556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.616556][ T10] ipv6_find_idev+0x102/0x170 [ 2292.616556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.616556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.616556][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.616556][ T10] netlink_unicast+0x449/0x710 [ 2292.616556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.616556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.616556][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.616556][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.616556][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.616556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.616556][ T10] [ 2292.618076][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2292.618076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.618076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.618076][ T10] ipv6_find_idev+0x102/0x170 [ 2292.618076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.618076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.618076][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.618076][ T10] netlink_unicast+0x449/0x710 [ 2292.618076][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.618076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.618076][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.618076][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.618076][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.618076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.618076][ T10] [ 2292.619767][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2292.620029][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2292.620029][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.620029][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.620029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.620029][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.620029][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.620029][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.620029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.620029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.620029][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.620029][ T10] netlink_unicast+0x449/0x710 [ 2292.620029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.620029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.620029][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.620029][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.620029][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.620029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.620029][ T10] [ 2292.622130][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2292.622130][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.622130][ T10] ipv6_find_idev+0x102/0x170 [ 2292.622130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.622130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.622130][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.622130][ T10] netlink_unicast+0x449/0x710 [ 2292.622130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.622130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.622130][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.622130][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.622130][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.622130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.622130][ T10] [ 2292.623816][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2292.623816][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.623816][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.623816][ T10] ipv6_find_idev+0x102/0x170 [ 2292.623816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.623816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.623816][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.623816][ T10] netlink_unicast+0x449/0x710 [ 2292.623816][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.623816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.623816][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.623816][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.623816][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.623816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.623816][ T10] [ 2292.625836][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2292.626093][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2292.626093][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.626093][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.626093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.626093][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.626093][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.626093][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.626093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.626093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.626093][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.626093][ T10] netlink_unicast+0x449/0x710 [ 2292.626093][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.626093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.626093][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.626093][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.626093][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.626093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.626093][ T10] [ 2292.628200][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2292.628200][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.628200][ T10] ipv6_find_idev+0x102/0x170 [ 2292.628200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.628200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.628200][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.628200][ T10] netlink_unicast+0x449/0x710 [ 2292.628200][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.628200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.628200][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.628200][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.628200][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.628200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.628200][ T10] [ 2292.629867][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2292.629867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.629867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.629867][ T10] ipv6_find_idev+0x102/0x170 [ 2292.629867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.629867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.629867][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.629867][ T10] netlink_unicast+0x449/0x710 [ 2292.629867][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.629867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.629867][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.629867][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.629867][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.629867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.629867][ T10] [ 2292.631731][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2292.631990][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2292.631990][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.631990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.631990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.631990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.631990][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.631990][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.631990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.631990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.631990][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.631990][ T10] netlink_unicast+0x449/0x710 [ 2292.631990][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.631990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.631990][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.631990][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.631990][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.631990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.631990][ T10] [ 2292.634193][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2292.634193][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.634193][ T10] ipv6_find_idev+0x102/0x170 [ 2292.634193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.634193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.634193][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.634193][ T10] netlink_unicast+0x449/0x710 [ 2292.634193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.634193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.634193][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.634193][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.634193][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.634193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.634193][ T10] [ 2292.635891][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2292.635891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.635891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.635891][ T10] ipv6_find_idev+0x102/0x170 [ 2292.635891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.635891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.635891][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.635891][ T10] netlink_unicast+0x449/0x710 [ 2292.635891][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.635891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.635891][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.635891][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.635891][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.635891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.635891][ T10] [ 2302.704150][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2302.704485][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2302.704485][ T10] netdev_get_by_index+0x5e/0x80 [ 2302.704485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2302.704485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2302.704485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2302.704485][ T10] ipv6_add_addr+0x411/0x2000 [ 2302.704485][ T10] inet6_addr_add+0x30e/0xa40 [ 2302.704485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2302.704485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.704485][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.704485][ T10] netlink_unicast+0x449/0x710 [ 2302.704485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.704485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.704485][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.704485][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.704485][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.704485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.704485][ T10] [ 2302.706558][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2302.706558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2302.706558][ T10] ipv6_find_idev+0x102/0x170 [ 2302.706558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.706558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.706558][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.706558][ T10] netlink_unicast+0x449/0x710 [ 2302.706558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.706558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.706558][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.706558][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.706558][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.706558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.706558][ T10] [ 2302.708129][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2302.708129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2302.708129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2302.708129][ T10] ipv6_find_idev+0x102/0x170 [ 2302.708129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.708129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.708129][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.708129][ T10] netlink_unicast+0x449/0x710 [ 2302.708129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.708129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.708129][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.708129][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.708129][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.708129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.708129][ T10] [ 2302.709827][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2302.710104][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2302.710104][ T10] netdev_get_by_index+0x5e/0x80 [ 2302.710104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2302.710104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2302.710104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2302.710104][ T10] ipv6_add_addr+0x411/0x2000 [ 2302.710104][ T10] inet6_addr_add+0x30e/0xa40 [ 2302.710104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2302.710104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.710104][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.710104][ T10] netlink_unicast+0x449/0x710 [ 2302.710104][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.710104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.710104][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.710104][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.710104][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.710104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.710104][ T10] [ 2302.712092][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2302.712092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2302.712092][ T10] ipv6_find_idev+0x102/0x170 [ 2302.712092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.712092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.712092][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.712092][ T10] netlink_unicast+0x449/0x710 [ 2302.712092][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.712092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.712092][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.712092][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.712092][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.712092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.712092][ T10] [ 2302.713838][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2302.713838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2302.713838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2302.713838][ T10] ipv6_find_idev+0x102/0x170 [ 2302.713838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.713838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.713838][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.713838][ T10] netlink_unicast+0x449/0x710 [ 2302.713838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.713838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.713838][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.713838][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.713838][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.713838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.713838][ T10] [ 2302.715670][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2302.715944][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2302.715944][ T10] netdev_get_by_index+0x5e/0x80 [ 2302.715944][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2302.715944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2302.715944][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2302.715944][ T10] ipv6_add_addr+0x411/0x2000 [ 2302.715944][ T10] inet6_addr_add+0x30e/0xa40 [ 2302.715944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2302.715944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.715944][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.715944][ T10] netlink_unicast+0x449/0x710 [ 2302.715944][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.715944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.715944][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.715944][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.715944][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.715944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.715944][ T10] [ 2302.718006][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2302.718006][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2302.718006][ T10] ipv6_find_idev+0x102/0x170 [ 2302.718006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.718006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.718006][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.718006][ T10] netlink_unicast+0x449/0x710 [ 2302.718006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.718006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.718006][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.718006][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.718006][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.718006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.718006][ T10] [ 2302.719557][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2302.719557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2302.719557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2302.719557][ T10] ipv6_find_idev+0x102/0x170 [ 2302.719557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.719557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.719557][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.719557][ T10] netlink_unicast+0x449/0x710 [ 2302.719557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.719557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.719557][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.719557][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.719557][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.719557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.719557][ T10] [ 2302.721238][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2302.721510][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2302.721510][ T10] netdev_get_by_index+0x5e/0x80 [ 2302.721510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2302.721510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2302.721510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2302.721510][ T10] ipv6_add_addr+0x411/0x2000 [ 2302.721510][ T10] inet6_addr_add+0x30e/0xa40 [ 2302.721510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2302.721510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.721510][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.721510][ T10] netlink_unicast+0x449/0x710 [ 2302.721510][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.721510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.721510][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.721510][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.721510][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.721510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.721510][ T10] [ 2302.723706][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2302.723706][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2302.723706][ T10] ipv6_find_idev+0x102/0x170 [ 2302.723706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.723706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.723706][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.723706][ T10] netlink_unicast+0x449/0x710 [ 2302.723706][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.723706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.723706][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.723706][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.723706][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.723706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.723706][ T10] [ 2302.725471][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2302.725471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2302.725471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2302.725471][ T10] ipv6_find_idev+0x102/0x170 [ 2302.725471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.725471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.725471][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.725471][ T10] netlink_unicast+0x449/0x710 [ 2302.725471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.725471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.725471][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.725471][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.725471][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.725471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.725471][ T10] [ 2302.727297][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2302.727625][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2302.727625][ T10] netdev_get_by_index+0x5e/0x80 [ 2302.727625][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2302.727625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2302.727625][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2302.727625][ T10] ipv6_add_addr+0x411/0x2000 [ 2302.727625][ T10] inet6_addr_add+0x30e/0xa40 [ 2302.727625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2302.727625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.727625][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.727625][ T10] netlink_unicast+0x449/0x710 [ 2302.727625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.727625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.727625][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.727625][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.727625][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.727625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.727625][ T10] [ 2302.729692][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2302.729692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2302.729692][ T10] ipv6_find_idev+0x102/0x170 [ 2302.729692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.729692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.729692][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.729692][ T10] netlink_unicast+0x449/0x710 [ 2302.729692][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.729692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.729692][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.729692][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.729692][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.729692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.729692][ T10] [ 2302.731218][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2302.731218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2302.731218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2302.731218][ T10] ipv6_find_idev+0x102/0x170 [ 2302.731218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.731218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.731218][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.731218][ T10] netlink_unicast+0x449/0x710 [ 2302.731218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.731218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.731218][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.731218][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.731218][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.731218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.731218][ T10] [ 2302.733410][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2302.733688][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2302.733688][ T10] netdev_get_by_index+0x5e/0x80 [ 2302.733688][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2302.733688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2302.733688][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2302.733688][ T10] ipv6_add_addr+0x411/0x2000 [ 2302.733688][ T10] inet6_addr_add+0x30e/0xa40 [ 2302.733688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2302.733688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.733688][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.733688][ T10] netlink_unicast+0x449/0x710 [ 2302.733688][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.733688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.733688][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.733688][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.733688][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.733688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.733688][ T10] [ 2302.735758][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2302.735758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2302.735758][ T10] ipv6_find_idev+0x102/0x170 [ 2302.735758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.735758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.735758][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.735758][ T10] netlink_unicast+0x449/0x710 [ 2302.735758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.735758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.735758][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.735758][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.735758][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.735758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.735758][ T10] [ 2302.737573][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2302.737573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2302.737573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2302.737573][ T10] ipv6_find_idev+0x102/0x170 [ 2302.737573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.737573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.737573][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.737573][ T10] netlink_unicast+0x449/0x710 [ 2302.737573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.737573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.737573][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.737573][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.737573][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.737573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.737573][ T10] [ 2302.739473][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2302.739736][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2302.739736][ T10] netdev_get_by_index+0x5e/0x80 [ 2302.739736][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2302.739736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2302.739736][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2302.739736][ T10] ipv6_add_addr+0x411/0x2000 [ 2302.739736][ T10] inet6_addr_add+0x30e/0xa40 [ 2302.739736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2302.739736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.739736][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.739736][ T10] netlink_unicast+0x449/0x710 [ 2302.739736][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.739736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.739736][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.739736][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.739736][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.739736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.739736][ T10] [ 2302.741799][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2302.741799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2302.741799][ T10] ipv6_find_idev+0x102/0x170 [ 2302.741799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.741799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.741799][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.741799][ T10] netlink_unicast+0x449/0x710 [ 2302.741799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.741799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.741799][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.741799][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.741799][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.741799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.741799][ T10] [ 2302.743410][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2302.743410][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2302.743410][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2302.743410][ T10] ipv6_find_idev+0x102/0x170 [ 2302.743410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.743410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.743410][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.743410][ T10] netlink_unicast+0x449/0x710 [ 2302.743410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.743410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.743410][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.743410][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.743410][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.743410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.743410][ T10] [ 2302.745391][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2302.745657][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2302.745657][ T10] netdev_get_by_index+0x5e/0x80 [ 2302.745657][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2302.745657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2302.745657][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2302.745657][ T10] ipv6_add_addr+0x411/0x2000 [ 2302.745657][ T10] inet6_addr_add+0x30e/0xa40 [ 2302.745657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2302.745657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.745657][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.745657][ T10] netlink_unicast+0x449/0x710 [ 2302.745657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.745657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.745657][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.745657][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.745657][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.745657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.745657][ T10] [ 2302.747905][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2302.747905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2302.747905][ T10] ipv6_find_idev+0x102/0x170 [ 2302.747905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.747905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.747905][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.747905][ T10] netlink_unicast+0x449/0x710 [ 2302.747905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.747905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.747905][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.747905][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.747905][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.747905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.747905][ T10] [ 2302.749575][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2302.749575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2302.749575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2302.749575][ T10] ipv6_find_idev+0x102/0x170 [ 2302.749575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2302.749575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2302.749575][ T10] netlink_rcv_skb+0x130/0x360 [ 2302.749575][ T10] netlink_unicast+0x449/0x710 [ 2302.749575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2302.749575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2302.749575][ T10] ___sys_sendmsg+0xee/0x170 [ 2302.749575][ T10] __sys_sendmsg+0xcd/0x170 [ 2302.749575][ T10] do_syscall_64+0xc6/0x1e0 [ 2302.749575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2302.749575][ T10] [ 2312.888204][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2312.888604][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2312.888604][ T10] netdev_get_by_index+0x5e/0x80 [ 2312.888604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2312.888604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2312.888604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2312.888604][ T10] ipv6_add_addr+0x411/0x2000 [ 2312.888604][ T10] inet6_addr_add+0x30e/0xa40 [ 2312.888604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.888604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.888604][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.888604][ T10] netlink_unicast+0x449/0x710 [ 2312.888604][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.888604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.888604][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.888604][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.888604][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.888604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.888604][ T10] [ 2312.890686][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2312.890686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2312.890686][ T10] ipv6_find_idev+0x102/0x170 [ 2312.890686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.890686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.890686][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.890686][ T10] netlink_unicast+0x449/0x710 [ 2312.890686][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.890686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.890686][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.890686][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.890686][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.890686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.890686][ T10] [ 2312.892270][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2312.892270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2312.892270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2312.892270][ T10] ipv6_find_idev+0x102/0x170 [ 2312.892270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.892270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.892270][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.892270][ T10] netlink_unicast+0x449/0x710 [ 2312.892270][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.892270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.892270][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.892270][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.892270][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.892270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.892270][ T10] [ 2312.894005][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2312.894301][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2312.894301][ T10] netdev_get_by_index+0x5e/0x80 [ 2312.894301][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2312.894301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2312.894301][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2312.894301][ T10] ipv6_add_addr+0x411/0x2000 [ 2312.894301][ T10] inet6_addr_add+0x30e/0xa40 [ 2312.894301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.894301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.894301][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.894301][ T10] netlink_unicast+0x449/0x710 [ 2312.894301][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.894301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.894301][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.894301][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.894301][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.894301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.894301][ T10] [ 2312.896311][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2312.896311][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2312.896311][ T10] ipv6_find_idev+0x102/0x170 [ 2312.896311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.896311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.896311][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.896311][ T10] netlink_unicast+0x449/0x710 [ 2312.896311][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.896311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.896311][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.896311][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.896311][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.896311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.896311][ T10] [ 2312.897821][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2312.897821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2312.897821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2312.897821][ T10] ipv6_find_idev+0x102/0x170 [ 2312.897821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.897821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.897821][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.897821][ T10] netlink_unicast+0x449/0x710 [ 2312.897821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.897821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.897821][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.897821][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.897821][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.897821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.897821][ T10] [ 2312.899513][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2312.899794][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2312.899794][ T10] netdev_get_by_index+0x5e/0x80 [ 2312.899794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2312.899794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2312.899794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2312.899794][ T10] ipv6_add_addr+0x411/0x2000 [ 2312.899794][ T10] inet6_addr_add+0x30e/0xa40 [ 2312.899794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.899794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.899794][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.899794][ T10] netlink_unicast+0x449/0x710 [ 2312.899794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.899794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.899794][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.899794][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.899794][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.899794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.899794][ T10] [ 2312.901814][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2312.901814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2312.901814][ T10] ipv6_find_idev+0x102/0x170 [ 2312.901814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.901814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.901814][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.901814][ T10] netlink_unicast+0x449/0x710 [ 2312.901814][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.901814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.901814][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.901814][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.901814][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.901814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.901814][ T10] [ 2312.903398][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2312.903398][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2312.903398][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2312.903398][ T10] ipv6_find_idev+0x102/0x170 [ 2312.903398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.903398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.903398][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.903398][ T10] netlink_unicast+0x449/0x710 [ 2312.903398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.903398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.903398][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.903398][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.903398][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.903398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.903398][ T10] [ 2312.905128][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2312.905392][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2312.905392][ T10] netdev_get_by_index+0x5e/0x80 [ 2312.905392][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2312.905392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2312.905392][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2312.905392][ T10] ipv6_add_addr+0x411/0x2000 [ 2312.905392][ T10] inet6_addr_add+0x30e/0xa40 [ 2312.905392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.905392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.905392][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.905392][ T10] netlink_unicast+0x449/0x710 [ 2312.905392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.905392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.905392][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.905392][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.905392][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.905392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.905392][ T10] [ 2312.907390][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2312.907390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2312.907390][ T10] ipv6_find_idev+0x102/0x170 [ 2312.907390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.907390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.907390][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.907390][ T10] netlink_unicast+0x449/0x710 [ 2312.907390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.907390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.907390][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.907390][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.907390][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.907390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.907390][ T10] [ 2312.908965][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2312.908965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2312.908965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2312.908965][ T10] ipv6_find_idev+0x102/0x170 [ 2312.908965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.908965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.908965][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.908965][ T10] netlink_unicast+0x449/0x710 [ 2312.908965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.908965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.908965][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.908965][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.908965][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.908965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.908965][ T10] [ 2312.911056][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2312.911383][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2312.911383][ T10] netdev_get_by_index+0x5e/0x80 [ 2312.911383][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2312.911383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2312.911383][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2312.911383][ T10] ipv6_add_addr+0x411/0x2000 [ 2312.911383][ T10] inet6_addr_add+0x30e/0xa40 [ 2312.911383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.911383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.911383][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.911383][ T10] netlink_unicast+0x449/0x710 [ 2312.911383][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.911383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.911383][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.911383][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.911383][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.911383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.911383][ T10] [ 2312.913409][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2312.913409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2312.913409][ T10] ipv6_find_idev+0x102/0x170 [ 2312.913409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.913409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.913409][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.913409][ T10] netlink_unicast+0x449/0x710 [ 2312.913409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.913409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.913409][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.913409][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.913409][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.913409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.913409][ T10] [ 2312.914987][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2312.914987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2312.914987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2312.914987][ T10] ipv6_find_idev+0x102/0x170 [ 2312.914987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.914987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.914987][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.914987][ T10] netlink_unicast+0x449/0x710 [ 2312.914987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.914987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.914987][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.914987][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.914987][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.914987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.914987][ T10] [ 2312.916948][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2312.917278][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2312.917278][ T10] netdev_get_by_index+0x5e/0x80 [ 2312.917278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2312.917278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2312.917278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2312.917278][ T10] ipv6_add_addr+0x411/0x2000 [ 2312.917278][ T10] inet6_addr_add+0x30e/0xa40 [ 2312.917278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.917278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.917278][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.917278][ T10] netlink_unicast+0x449/0x710 [ 2312.917278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.917278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.917278][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.917278][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.917278][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.917278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.917278][ T10] [ 2312.919499][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2312.919499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2312.919499][ T10] ipv6_find_idev+0x102/0x170 [ 2312.919499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.919499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.919499][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.919499][ T10] netlink_unicast+0x449/0x710 [ 2312.919499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.919499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.919499][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.919499][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.919499][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.919499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.919499][ T10] [ 2312.921250][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2312.921250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2312.921250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2312.921250][ T10] ipv6_find_idev+0x102/0x170 [ 2312.921250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.921250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.921250][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.921250][ T10] netlink_unicast+0x449/0x710 [ 2312.921250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.921250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.921250][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.921250][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.921250][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.921250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.921250][ T10] [ 2312.923204][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2312.923476][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2312.923476][ T10] netdev_get_by_index+0x5e/0x80 [ 2312.923476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2312.923476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2312.923476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2312.923476][ T10] ipv6_add_addr+0x411/0x2000 [ 2312.923476][ T10] inet6_addr_add+0x30e/0xa40 [ 2312.923476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.923476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.923476][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.923476][ T10] netlink_unicast+0x449/0x710 [ 2312.923476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.923476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.923476][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.923476][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.923476][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.923476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.923476][ T10] [ 2312.925822][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2312.925822][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2312.925822][ T10] ipv6_find_idev+0x102/0x170 [ 2312.925822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.925822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.925822][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.925822][ T10] netlink_unicast+0x449/0x710 [ 2312.925822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.925822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.925822][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.925822][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.925822][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.925822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.925822][ T10] [ 2312.927555][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2312.927555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2312.927555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2312.927555][ T10] ipv6_find_idev+0x102/0x170 [ 2312.927555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.927555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.927555][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.927555][ T10] netlink_unicast+0x449/0x710 [ 2312.927555][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.927555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.927555][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.927555][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.927555][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.927555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.927555][ T10] [ 2312.929456][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2312.929726][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2312.929726][ T10] netdev_get_by_index+0x5e/0x80 [ 2312.929726][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2312.929726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2312.929726][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2312.929726][ T10] ipv6_add_addr+0x411/0x2000 [ 2312.929726][ T10] inet6_addr_add+0x30e/0xa40 [ 2312.929726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2312.929726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.929726][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.929726][ T10] netlink_unicast+0x449/0x710 [ 2312.929726][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.929726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.929726][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.929726][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.929726][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.929726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.929726][ T10] [ 2312.931946][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2312.931946][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2312.931946][ T10] ipv6_find_idev+0x102/0x170 [ 2312.931946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.931946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.931946][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.931946][ T10] netlink_unicast+0x449/0x710 [ 2312.931946][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.931946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.931946][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.931946][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.931946][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.931946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.931946][ T10] [ 2312.933705][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2312.933705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2312.933705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2312.933705][ T10] ipv6_find_idev+0x102/0x170 [ 2312.933705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2312.933705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2312.933705][ T10] netlink_rcv_skb+0x130/0x360 [ 2312.933705][ T10] netlink_unicast+0x449/0x710 [ 2312.933705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2312.933705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2312.933705][ T10] ___sys_sendmsg+0xee/0x170 [ 2312.933705][ T10] __sys_sendmsg+0xcd/0x170 [ 2312.933705][ T10] do_syscall_64+0xc6/0x1e0 [ 2312.933705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2312.933705][ T10] [ 2323.176265][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2323.176715][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2323.176715][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.176715][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.176715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.176715][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.176715][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.176715][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.176715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.176715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.176715][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.176715][ T10] netlink_unicast+0x449/0x710 [ 2323.176715][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.176715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.176715][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.176715][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.176715][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.176715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.176715][ T10] [ 2323.178786][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2323.178786][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.178786][ T10] ipv6_find_idev+0x102/0x170 [ 2323.178786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.178786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.178786][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.178786][ T10] netlink_unicast+0x449/0x710 [ 2323.178786][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.178786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.178786][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.178786][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.178786][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.178786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.178786][ T10] [ 2323.180323][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2323.180323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.180323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.180323][ T10] ipv6_find_idev+0x102/0x170 [ 2323.180323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.180323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.180323][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.180323][ T10] netlink_unicast+0x449/0x710 [ 2323.180323][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.180323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.180323][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.180323][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.180323][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.180323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.180323][ T10] [ 2323.182077][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2323.182367][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2323.182367][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.182367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.182367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.182367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.182367][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.182367][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.182367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.182367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.182367][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.182367][ T10] netlink_unicast+0x449/0x710 [ 2323.182367][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.182367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.182367][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.182367][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.182367][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.182367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.182367][ T10] [ 2323.184407][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2323.184407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.184407][ T10] ipv6_find_idev+0x102/0x170 [ 2323.184407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.184407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.184407][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.184407][ T10] netlink_unicast+0x449/0x710 [ 2323.184407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.184407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.184407][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.184407][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.184407][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.184407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.184407][ T10] [ 2323.185954][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2323.185954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.185954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.185954][ T10] ipv6_find_idev+0x102/0x170 [ 2323.185954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.185954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.185954][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.185954][ T10] netlink_unicast+0x449/0x710 [ 2323.185954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.185954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.185954][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.185954][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.185954][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.185954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.185954][ T10] [ 2323.187647][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2323.187918][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2323.187918][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.187918][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.187918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.187918][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.187918][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.187918][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.187918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.187918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.187918][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.187918][ T10] netlink_unicast+0x449/0x710 [ 2323.187918][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.187918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.187918][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.187918][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.187918][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.187918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.187918][ T10] [ 2323.189936][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2323.189936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.189936][ T10] ipv6_find_idev+0x102/0x170 [ 2323.189936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.189936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.189936][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.189936][ T10] netlink_unicast+0x449/0x710 [ 2323.189936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.189936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.189936][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.189936][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.189936][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.189936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.189936][ T10] [ 2323.191524][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2323.191524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.191524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.191524][ T10] ipv6_find_idev+0x102/0x170 [ 2323.191524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.191524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.191524][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.191524][ T10] netlink_unicast+0x449/0x710 [ 2323.191524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.191524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.191524][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.191524][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.191524][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.191524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.191524][ T10] [ 2323.193250][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2323.193518][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2323.193518][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.193518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.193518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.193518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.193518][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.193518][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.193518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.193518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.193518][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.193518][ T10] netlink_unicast+0x449/0x710 [ 2323.193518][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.193518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.193518][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.193518][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.193518][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.193518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.193518][ T10] [ 2323.195574][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2323.195574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.195574][ T10] ipv6_find_idev+0x102/0x170 [ 2323.195574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.195574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.195574][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.195574][ T10] netlink_unicast+0x449/0x710 [ 2323.195574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.195574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.195574][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.195574][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.195574][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.195574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.195574][ T10] [ 2323.197180][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2323.197180][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.197180][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.197180][ T10] ipv6_find_idev+0x102/0x170 [ 2323.197180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.197180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.197180][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.197180][ T10] netlink_unicast+0x449/0x710 [ 2323.197180][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.197180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.197180][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.197180][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.197180][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.197180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.197180][ T10] [ 2323.198964][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2323.199292][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2323.199292][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.199292][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.199292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.199292][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.199292][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.199292][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.199292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.199292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.199292][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.199292][ T10] netlink_unicast+0x449/0x710 [ 2323.199292][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.199292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.199292][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.199292][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.199292][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.199292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.199292][ T10] [ 2323.201341][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2323.201341][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.201341][ T10] ipv6_find_idev+0x102/0x170 [ 2323.201341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.201341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.201341][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.201341][ T10] netlink_unicast+0x449/0x710 [ 2323.201341][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.201341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.201341][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.201341][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.201341][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.201341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.201341][ T10] [ 2323.202898][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2323.202898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.202898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.202898][ T10] ipv6_find_idev+0x102/0x170 [ 2323.202898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.202898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.202898][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.202898][ T10] netlink_unicast+0x449/0x710 [ 2323.202898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.202898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.202898][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.202898][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.202898][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.202898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.202898][ T10] [ 2323.204963][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2323.205293][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2323.205293][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.205293][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.205293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.205293][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.205293][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.205293][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.205293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.205293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.205293][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.205293][ T10] netlink_unicast+0x449/0x710 [ 2323.205293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.205293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.205293][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.205293][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.205293][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.205293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.205293][ T10] [ 2323.207486][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2323.207486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.207486][ T10] ipv6_find_idev+0x102/0x170 [ 2323.207486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.207486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.207486][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.207486][ T10] netlink_unicast+0x449/0x710 [ 2323.207486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.207486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.207486][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.207486][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.207486][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.207486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.207486][ T10] [ 2323.209192][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2323.209192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.209192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.209192][ T10] ipv6_find_idev+0x102/0x170 [ 2323.209192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.209192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.209192][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.209192][ T10] netlink_unicast+0x449/0x710 [ 2323.209192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.209192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.209192][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.209192][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.209192][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.209192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.209192][ T10] [ 2323.211116][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2323.211389][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2323.211389][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.211389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.211389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.211389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.211389][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.211389][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.211389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.211389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.211389][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.211389][ T10] netlink_unicast+0x449/0x710 [ 2323.211389][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.211389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.211389][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.211389][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.211389][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.211389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.211389][ T10] [ 2323.213645][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2323.213645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.213645][ T10] ipv6_find_idev+0x102/0x170 [ 2323.213645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.213645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.213645][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.213645][ T10] netlink_unicast+0x449/0x710 [ 2323.213645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.213645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.213645][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.213645][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.213645][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.213645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.213645][ T10] [ 2323.215486][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2323.215486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.215486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.215486][ T10] ipv6_find_idev+0x102/0x170 [ 2323.215486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.215486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.215486][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.215486][ T10] netlink_unicast+0x449/0x710 [ 2323.215486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.215486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.215486][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.215486][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.215486][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.215486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.215486][ T10] [ 2323.217323][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2323.217589][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2323.217589][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.217589][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.217589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.217589][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.217589][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.217589][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.217589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.217589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.217589][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.217589][ T10] netlink_unicast+0x449/0x710 [ 2323.217589][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.217589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.217589][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.217589][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.217589][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.217589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.217589][ T10] [ 2323.219833][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2323.219833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.219833][ T10] ipv6_find_idev+0x102/0x170 [ 2323.219833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.219833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.219833][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.219833][ T10] netlink_unicast+0x449/0x710 [ 2323.219833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.219833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.219833][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.219833][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.219833][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.219833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.219833][ T10] [ 2323.221554][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2323.221554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.221554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.221554][ T10] ipv6_find_idev+0x102/0x170 [ 2323.221554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.221554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.221554][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.221554][ T10] netlink_unicast+0x449/0x710 [ 2323.221554][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.221554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.221554][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.221554][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.221554][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.221554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.221554][ T10] [ 2333.440293][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2333.441352][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2333.441352][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.441352][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.441352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.441352][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.441352][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.441352][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.441352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.441352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.441352][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.441352][ T10] netlink_unicast+0x449/0x710 [ 2333.441352][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.441352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.441352][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.441352][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.441352][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.441352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.441352][ T10] [ 2333.443558][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2333.443558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.443558][ T10] ipv6_find_idev+0x102/0x170 [ 2333.443558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.443558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.443558][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.443558][ T10] netlink_unicast+0x449/0x710 [ 2333.443558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.443558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.443558][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.443558][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.443558][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.443558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.443558][ T10] [ 2333.445088][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2333.445088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.445088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.445088][ T10] ipv6_find_idev+0x102/0x170 [ 2333.445088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.445088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.445088][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.445088][ T10] netlink_unicast+0x449/0x710 [ 2333.445088][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.445088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.445088][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.445088][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.445088][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.445088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.445088][ T10] [ 2333.446797][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2333.447084][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2333.447084][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.447084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.447084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.447084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.447084][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.447084][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.447084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.447084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.447084][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.447084][ T10] netlink_unicast+0x449/0x710 [ 2333.447084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.447084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.447084][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.447084][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.447084][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.447084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.447084][ T10] [ 2333.449090][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2333.449090][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.449090][ T10] ipv6_find_idev+0x102/0x170 [ 2333.449090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.449090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.449090][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.449090][ T10] netlink_unicast+0x449/0x710 [ 2333.449090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.449090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.449090][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.449090][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.449090][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.449090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.449090][ T10] [ 2333.450679][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2333.450679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.450679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.450679][ T10] ipv6_find_idev+0x102/0x170 [ 2333.450679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.450679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.450679][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.450679][ T10] netlink_unicast+0x449/0x710 [ 2333.450679][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.450679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.450679][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.450679][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.450679][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.450679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.450679][ T10] [ 2333.452331][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2333.452590][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2333.452590][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.452590][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.452590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.452590][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.452590][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.452590][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.452590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.452590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.452590][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.452590][ T10] netlink_unicast+0x449/0x710 [ 2333.452590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.452590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.452590][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.452590][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.452590][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.452590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.452590][ T10] [ 2333.454646][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2333.454646][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.454646][ T10] ipv6_find_idev+0x102/0x170 [ 2333.454646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.454646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.454646][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.454646][ T10] netlink_unicast+0x449/0x710 [ 2333.454646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.454646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.454646][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.454646][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.454646][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.454646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.454646][ T10] [ 2333.456175][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2333.456175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.456175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.456175][ T10] ipv6_find_idev+0x102/0x170 [ 2333.456175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.456175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.456175][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.456175][ T10] netlink_unicast+0x449/0x710 [ 2333.456175][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.456175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.456175][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.456175][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.456175][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.456175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.456175][ T10] [ 2333.457853][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2333.458117][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2333.458117][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.458117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.458117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.458117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.458117][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.458117][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.458117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.458117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.458117][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.458117][ T10] netlink_unicast+0x449/0x710 [ 2333.458117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.458117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.458117][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.458117][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.458117][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.458117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.458117][ T10] [ 2333.460142][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2333.460142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.460142][ T10] ipv6_find_idev+0x102/0x170 [ 2333.460142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.460142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.460142][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.460142][ T10] netlink_unicast+0x449/0x710 [ 2333.460142][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.460142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.460142][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.460142][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.460142][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.460142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.460142][ T10] [ 2333.461668][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2333.461668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.461668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.461668][ T10] ipv6_find_idev+0x102/0x170 [ 2333.461668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.461668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.461668][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.461668][ T10] netlink_unicast+0x449/0x710 [ 2333.461668][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.461668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.461668][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.461668][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.461668][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.461668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.461668][ T10] [ 2333.463367][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2333.463626][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2333.463626][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.463626][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.463626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.463626][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.463626][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.463626][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.463626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.463626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.463626][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.463626][ T10] netlink_unicast+0x449/0x710 [ 2333.463626][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.463626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.463626][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.463626][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.463626][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.463626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.463626][ T10] [ 2333.465607][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2333.465607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.465607][ T10] ipv6_find_idev+0x102/0x170 [ 2333.465607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.465607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.465607][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.465607][ T10] netlink_unicast+0x449/0x710 [ 2333.465607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.465607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.465607][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.465607][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.465607][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.465607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.465607][ T10] [ 2333.467194][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2333.467194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.467194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.467194][ T10] ipv6_find_idev+0x102/0x170 [ 2333.467194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.467194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.467194][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.467194][ T10] netlink_unicast+0x449/0x710 [ 2333.467194][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.467194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.467194][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.467194][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.467194][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.467194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.467194][ T10] [ 2333.469576][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2333.469840][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2333.469840][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.469840][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.469840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.469840][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.469840][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.469840][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.469840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.469840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.469840][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.469840][ T10] netlink_unicast+0x449/0x710 [ 2333.469840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.469840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.469840][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.469840][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.469840][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.469840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.469840][ T10] [ 2333.471818][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2333.471818][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.471818][ T10] ipv6_find_idev+0x102/0x170 [ 2333.471818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.471818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.471818][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.471818][ T10] netlink_unicast+0x449/0x710 [ 2333.471818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.471818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.471818][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.471818][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.471818][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.471818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.471818][ T10] [ 2333.473381][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2333.473381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.473381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.473381][ T10] ipv6_find_idev+0x102/0x170 [ 2333.473381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.473381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.473381][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.473381][ T10] netlink_unicast+0x449/0x710 [ 2333.473381][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.473381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.473381][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.473381][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.473381][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.473381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.473381][ T10] [ 2333.475300][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2333.475571][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2333.475571][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.475571][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.475571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.475571][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.475571][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.475571][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.475571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.475571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.475571][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.475571][ T10] netlink_unicast+0x449/0x710 [ 2333.475571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.475571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.475571][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.475571][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.475571][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.475571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.475571][ T10] [ 2333.477791][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2333.477791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.477791][ T10] ipv6_find_idev+0x102/0x170 [ 2333.477791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.477791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.477791][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.477791][ T10] netlink_unicast+0x449/0x710 [ 2333.477791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.477791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.477791][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.477791][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.477791][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.477791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.477791][ T10] [ 2333.479497][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2333.479497][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.479497][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.479497][ T10] ipv6_find_idev+0x102/0x170 [ 2333.479497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.479497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.479497][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.479497][ T10] netlink_unicast+0x449/0x710 [ 2333.479497][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.479497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.479497][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.479497][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.479497][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.479497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.479497][ T10] [ 2333.481401][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2333.481709][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2333.481709][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.481709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.481709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.481709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.481709][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.481709][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.481709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.481709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.481709][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.481709][ T10] netlink_unicast+0x449/0x710 [ 2333.481709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.481709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.481709][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.481709][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.481709][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.481709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.481709][ T10] [ 2333.484012][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2333.484012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.484012][ T10] ipv6_find_idev+0x102/0x170 [ 2333.484012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.484012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.484012][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.484012][ T10] netlink_unicast+0x449/0x710 [ 2333.484012][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.484012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.484012][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.484012][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.484012][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.484012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.484012][ T10] [ 2333.485762][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2333.485762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.485762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.485762][ T10] ipv6_find_idev+0x102/0x170 [ 2333.485762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.485762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.485762][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.485762][ T10] netlink_unicast+0x449/0x710 [ 2333.485762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.485762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.485762][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.485762][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.485762][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.485762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.485762][ T10] [ 2343.489116][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2343.489470][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2343.489470][ T10] netdev_get_by_index+0x5e/0x80 [ 2343.489470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2343.489470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2343.489470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2343.489470][ T10] ipv6_add_addr+0x411/0x2000 [ 2343.489470][ T10] inet6_addr_add+0x30e/0xa40 [ 2343.489470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2343.489470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.489470][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.489470][ T10] netlink_unicast+0x449/0x710 [ 2343.489470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.489470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.489470][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.489470][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.489470][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.489470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.489470][ T10] [ 2343.491494][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2343.491494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2343.491494][ T10] ipv6_find_idev+0x102/0x170 [ 2343.491494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.491494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.491494][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.491494][ T10] netlink_unicast+0x449/0x710 [ 2343.491494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.491494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.491494][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.491494][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.491494][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.491494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.491494][ T10] [ 2343.493016][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2343.493016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2343.493016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2343.493016][ T10] ipv6_find_idev+0x102/0x170 [ 2343.493016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.493016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.493016][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.493016][ T10] netlink_unicast+0x449/0x710 [ 2343.493016][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.493016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.493016][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.493016][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.493016][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.493016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.493016][ T10] [ 2343.494785][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2343.495068][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2343.495068][ T10] netdev_get_by_index+0x5e/0x80 [ 2343.495068][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2343.495068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2343.495068][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2343.495068][ T10] ipv6_add_addr+0x411/0x2000 [ 2343.495068][ T10] inet6_addr_add+0x30e/0xa40 [ 2343.495068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2343.495068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.495068][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.495068][ T10] netlink_unicast+0x449/0x710 [ 2343.495068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.495068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.495068][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.495068][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.495068][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.495068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.495068][ T10] [ 2343.497053][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2343.497053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2343.497053][ T10] ipv6_find_idev+0x102/0x170 [ 2343.497053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.497053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.497053][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.497053][ T10] netlink_unicast+0x449/0x710 [ 2343.497053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.497053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.497053][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.497053][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.497053][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.497053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.497053][ T10] [ 2343.498568][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2343.498568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2343.498568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2343.498568][ T10] ipv6_find_idev+0x102/0x170 [ 2343.498568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.498568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.498568][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.498568][ T10] netlink_unicast+0x449/0x710 [ 2343.498568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.498568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.498568][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.498568][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.498568][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.498568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.498568][ T10] [ 2343.500238][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2343.500530][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2343.500530][ T10] netdev_get_by_index+0x5e/0x80 [ 2343.500530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2343.500530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2343.500530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2343.500530][ T10] ipv6_add_addr+0x411/0x2000 [ 2343.500530][ T10] inet6_addr_add+0x30e/0xa40 [ 2343.500530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2343.500530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.500530][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.500530][ T10] netlink_unicast+0x449/0x710 [ 2343.500530][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.500530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.500530][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.500530][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.500530][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.500530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.500530][ T10] [ 2343.502542][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2343.502542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2343.502542][ T10] ipv6_find_idev+0x102/0x170 [ 2343.502542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.502542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.502542][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.502542][ T10] netlink_unicast+0x449/0x710 [ 2343.502542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.502542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.502542][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.502542][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.502542][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.502542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.502542][ T10] [ 2343.504110][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2343.504110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2343.504110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2343.504110][ T10] ipv6_find_idev+0x102/0x170 [ 2343.504110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.504110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.504110][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.504110][ T10] netlink_unicast+0x449/0x710 [ 2343.504110][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.504110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.504110][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.504110][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.504110][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.504110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.504110][ T10] [ 2343.505809][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2343.506097][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2343.506097][ T10] netdev_get_by_index+0x5e/0x80 [ 2343.506097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2343.506097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2343.506097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2343.506097][ T10] ipv6_add_addr+0x411/0x2000 [ 2343.506097][ T10] inet6_addr_add+0x30e/0xa40 [ 2343.506097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2343.506097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.506097][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.506097][ T10] netlink_unicast+0x449/0x710 [ 2343.506097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.506097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.506097][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.506097][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.506097][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.506097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.506097][ T10] [ 2343.508299][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2343.508299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2343.508299][ T10] ipv6_find_idev+0x102/0x170 [ 2343.508299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.508299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.508299][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.508299][ T10] netlink_unicast+0x449/0x710 [ 2343.508299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.508299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.508299][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.508299][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.508299][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.508299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.508299][ T10] [ 2343.509969][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2343.509969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2343.509969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2343.509969][ T10] ipv6_find_idev+0x102/0x170 [ 2343.509969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.509969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.509969][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.509969][ T10] netlink_unicast+0x449/0x710 [ 2343.509969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.509969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.509969][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.509969][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.509969][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.509969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.509969][ T10] [ 2343.511876][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2343.512170][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2343.512170][ T10] netdev_get_by_index+0x5e/0x80 [ 2343.512170][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2343.512170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2343.512170][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2343.512170][ T10] ipv6_add_addr+0x411/0x2000 [ 2343.512170][ T10] inet6_addr_add+0x30e/0xa40 [ 2343.512170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2343.512170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.512170][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.512170][ T10] netlink_unicast+0x449/0x710 [ 2343.512170][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.512170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.512170][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.512170][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.512170][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.512170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.512170][ T10] [ 2343.514398][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2343.514398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2343.514398][ T10] ipv6_find_idev+0x102/0x170 [ 2343.514398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.514398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.514398][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.514398][ T10] netlink_unicast+0x449/0x710 [ 2343.514398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.514398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.514398][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.514398][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.514398][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.514398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.514398][ T10] [ 2343.516062][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2343.516062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2343.516062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2343.516062][ T10] ipv6_find_idev+0x102/0x170 [ 2343.516062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.516062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.516062][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.516062][ T10] netlink_unicast+0x449/0x710 [ 2343.516062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.516062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.516062][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.516062][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.516062][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.516062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.516062][ T10] [ 2343.518367][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2343.518643][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2343.518643][ T10] netdev_get_by_index+0x5e/0x80 [ 2343.518643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2343.518643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2343.518643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2343.518643][ T10] ipv6_add_addr+0x411/0x2000 [ 2343.518643][ T10] inet6_addr_add+0x30e/0xa40 [ 2343.518643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2343.518643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.518643][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.518643][ T10] netlink_unicast+0x449/0x710 [ 2343.518643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.518643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.518643][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.518643][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.518643][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.518643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.518643][ T10] [ 2343.520631][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2343.520631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2343.520631][ T10] ipv6_find_idev+0x102/0x170 [ 2343.520631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.520631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.520631][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.520631][ T10] netlink_unicast+0x449/0x710 [ 2343.520631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.520631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.520631][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.520631][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.520631][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.520631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.520631][ T10] [ 2343.522295][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2343.522295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2343.522295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2343.522295][ T10] ipv6_find_idev+0x102/0x170 [ 2343.522295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.522295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.522295][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.522295][ T10] netlink_unicast+0x449/0x710 [ 2343.522295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.522295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.522295][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.522295][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.522295][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.522295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.522295][ T10] [ 2343.524217][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2343.524489][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2343.524489][ T10] netdev_get_by_index+0x5e/0x80 [ 2343.524489][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2343.524489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2343.524489][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2343.524489][ T10] ipv6_add_addr+0x411/0x2000 [ 2343.524489][ T10] inet6_addr_add+0x30e/0xa40 [ 2343.524489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2343.524489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.524489][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.524489][ T10] netlink_unicast+0x449/0x710 [ 2343.524489][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.524489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.524489][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.524489][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.524489][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.524489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.524489][ T10] [ 2343.526737][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2343.526737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2343.526737][ T10] ipv6_find_idev+0x102/0x170 [ 2343.526737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.526737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.526737][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.526737][ T10] netlink_unicast+0x449/0x710 [ 2343.526737][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.526737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.526737][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.526737][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.526737][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.526737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.526737][ T10] [ 2343.528427][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2343.528427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2343.528427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2343.528427][ T10] ipv6_find_idev+0x102/0x170 [ 2343.528427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.528427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.528427][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.528427][ T10] netlink_unicast+0x449/0x710 [ 2343.528427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.528427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.528427][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.528427][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.528427][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.528427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.528427][ T10] [ 2343.530401][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2343.530679][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2343.530679][ T10] netdev_get_by_index+0x5e/0x80 [ 2343.530679][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2343.530679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2343.530679][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2343.530679][ T10] ipv6_add_addr+0x411/0x2000 [ 2343.530679][ T10] inet6_addr_add+0x30e/0xa40 [ 2343.530679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2343.530679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.530679][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.530679][ T10] netlink_unicast+0x449/0x710 [ 2343.530679][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.530679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.530679][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.530679][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.530679][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.530679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.530679][ T10] [ 2343.532778][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2343.532778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2343.532778][ T10] ipv6_find_idev+0x102/0x170 [ 2343.532778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.532778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.532778][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.532778][ T10] netlink_unicast+0x449/0x710 [ 2343.532778][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.532778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.532778][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.532778][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.532778][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.532778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.532778][ T10] [ 2343.534518][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2343.534518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2343.534518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2343.534518][ T10] ipv6_find_idev+0x102/0x170 [ 2343.534518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2343.534518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2343.534518][ T10] netlink_rcv_skb+0x130/0x360 [ 2343.534518][ T10] netlink_unicast+0x449/0x710 [ 2343.534518][ T10] netlink_sendmsg+0x723/0xbe0 [ 2343.534518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2343.534518][ T10] ___sys_sendmsg+0xee/0x170 [ 2343.534518][ T10] __sys_sendmsg+0xcd/0x170 [ 2343.534518][ T10] do_syscall_64+0xc6/0x1e0 [ 2343.534518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2343.534518][ T10] [ 2353.681113][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2353.681489][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2353.681489][ T10] netdev_get_by_index+0x5e/0x80 [ 2353.681489][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2353.681489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2353.681489][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2353.681489][ T10] ipv6_add_addr+0x411/0x2000 [ 2353.681489][ T10] inet6_addr_add+0x30e/0xa40 [ 2353.681489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.681489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.681489][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.681489][ T10] netlink_unicast+0x449/0x710 [ 2353.681489][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.681489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.681489][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.681489][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.681489][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.681489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.681489][ T10] [ 2353.683776][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2353.683776][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2353.683776][ T10] ipv6_find_idev+0x102/0x170 [ 2353.683776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.683776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.683776][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.683776][ T10] netlink_unicast+0x449/0x710 [ 2353.683776][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.683776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.683776][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.683776][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.683776][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.683776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.683776][ T10] [ 2353.685527][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2353.685527][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2353.685527][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2353.685527][ T10] ipv6_find_idev+0x102/0x170 [ 2353.685527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.685527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.685527][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.685527][ T10] netlink_unicast+0x449/0x710 [ 2353.685527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.685527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.685527][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.685527][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.685527][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.685527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.685527][ T10] [ 2353.687451][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2353.687757][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2353.687757][ T10] netdev_get_by_index+0x5e/0x80 [ 2353.687757][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2353.687757][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2353.687757][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2353.687757][ T10] ipv6_add_addr+0x411/0x2000 [ 2353.687757][ T10] inet6_addr_add+0x30e/0xa40 [ 2353.687757][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.687757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.687757][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.687757][ T10] netlink_unicast+0x449/0x710 [ 2353.687757][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.687757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.687757][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.687757][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.687757][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.687757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.687757][ T10] [ 2353.690021][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2353.690021][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2353.690021][ T10] ipv6_find_idev+0x102/0x170 [ 2353.690021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.690021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.690021][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.690021][ T10] netlink_unicast+0x449/0x710 [ 2353.690021][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.690021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.690021][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.690021][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.690021][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.690021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.690021][ T10] [ 2353.691751][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2353.691751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2353.691751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2353.691751][ T10] ipv6_find_idev+0x102/0x170 [ 2353.691751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.691751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.691751][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.691751][ T10] netlink_unicast+0x449/0x710 [ 2353.691751][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.691751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.691751][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.691751][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.691751][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.691751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.691751][ T10] [ 2353.693646][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2353.693939][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2353.693939][ T10] netdev_get_by_index+0x5e/0x80 [ 2353.693939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2353.693939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2353.693939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2353.693939][ T10] ipv6_add_addr+0x411/0x2000 [ 2353.693939][ T10] inet6_addr_add+0x30e/0xa40 [ 2353.693939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.693939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.693939][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.693939][ T10] netlink_unicast+0x449/0x710 [ 2353.693939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.693939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.693939][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.693939][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.693939][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.693939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.693939][ T10] [ 2353.696170][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2353.696170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2353.696170][ T10] ipv6_find_idev+0x102/0x170 [ 2353.696170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.696170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.696170][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.696170][ T10] netlink_unicast+0x449/0x710 [ 2353.696170][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.696170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.696170][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.696170][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.696170][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.696170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.696170][ T10] [ 2353.697881][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2353.697881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2353.697881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2353.697881][ T10] ipv6_find_idev+0x102/0x170 [ 2353.697881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.697881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.697881][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.697881][ T10] netlink_unicast+0x449/0x710 [ 2353.697881][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.697881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.697881][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.697881][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.697881][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.697881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.697881][ T10] [ 2353.699789][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2353.700105][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2353.700105][ T10] netdev_get_by_index+0x5e/0x80 [ 2353.700105][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2353.700105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2353.700105][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2353.700105][ T10] ipv6_add_addr+0x411/0x2000 [ 2353.700105][ T10] inet6_addr_add+0x30e/0xa40 [ 2353.700105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.700105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.700105][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.700105][ T10] netlink_unicast+0x449/0x710 [ 2353.700105][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.700105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.700105][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.700105][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.700105][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.700105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.700105][ T10] [ 2353.702388][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2353.702388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2353.702388][ T10] ipv6_find_idev+0x102/0x170 [ 2353.702388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.702388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.702388][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.702388][ T10] netlink_unicast+0x449/0x710 [ 2353.702388][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.702388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.702388][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.702388][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.702388][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.702388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.702388][ T10] [ 2353.704159][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2353.704159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2353.704159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2353.704159][ T10] ipv6_find_idev+0x102/0x170 [ 2353.704159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.704159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.704159][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.704159][ T10] netlink_unicast+0x449/0x710 [ 2353.704159][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.704159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.704159][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.704159][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.704159][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.704159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.704159][ T10] [ 2353.706079][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2353.706866][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2353.706866][ T10] netdev_get_by_index+0x5e/0x80 [ 2353.706866][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2353.706866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2353.706866][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2353.706866][ T10] ipv6_add_addr+0x411/0x2000 [ 2353.706866][ T10] inet6_addr_add+0x30e/0xa40 [ 2353.706866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.706866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.706866][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.706866][ T10] netlink_unicast+0x449/0x710 [ 2353.706866][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.706866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.706866][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.706866][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.706866][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.706866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.706866][ T10] [ 2353.709137][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2353.709137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2353.709137][ T10] ipv6_find_idev+0x102/0x170 [ 2353.709137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.709137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.709137][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.709137][ T10] netlink_unicast+0x449/0x710 [ 2353.709137][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.709137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.709137][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.709137][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.709137][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.709137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.709137][ T10] [ 2353.710892][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2353.710892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2353.710892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2353.710892][ T10] ipv6_find_idev+0x102/0x170 [ 2353.710892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.710892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.710892][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.710892][ T10] netlink_unicast+0x449/0x710 [ 2353.710892][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.710892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.710892][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.710892][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.710892][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.710892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.710892][ T10] [ 2353.712972][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2353.713318][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2353.713318][ T10] netdev_get_by_index+0x5e/0x80 [ 2353.713318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2353.713318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2353.713318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2353.713318][ T10] ipv6_add_addr+0x411/0x2000 [ 2353.713318][ T10] inet6_addr_add+0x30e/0xa40 [ 2353.713318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.713318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.713318][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.713318][ T10] netlink_unicast+0x449/0x710 [ 2353.713318][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.713318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.713318][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.713318][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.713318][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.713318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.713318][ T10] [ 2353.715643][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2353.715643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2353.715643][ T10] ipv6_find_idev+0x102/0x170 [ 2353.715643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.715643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.715643][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.715643][ T10] netlink_unicast+0x449/0x710 [ 2353.715643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.715643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.715643][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.715643][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.715643][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.715643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.715643][ T10] [ 2353.717597][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2353.717597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2353.717597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2353.717597][ T10] ipv6_find_idev+0x102/0x170 [ 2353.717597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.717597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.717597][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.717597][ T10] netlink_unicast+0x449/0x710 [ 2353.717597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.717597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.717597][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.717597][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.717597][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.717597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.717597][ T10] [ 2353.719766][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2353.720065][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2353.720065][ T10] netdev_get_by_index+0x5e/0x80 [ 2353.720065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2353.720065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2353.720065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2353.720065][ T10] ipv6_add_addr+0x411/0x2000 [ 2353.720065][ T10] inet6_addr_add+0x30e/0xa40 [ 2353.720065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.720065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.720065][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.720065][ T10] netlink_unicast+0x449/0x710 [ 2353.720065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.720065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.720065][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.720065][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.720065][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.720065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.720065][ T10] [ 2353.722558][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2353.722558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2353.722558][ T10] ipv6_find_idev+0x102/0x170 [ 2353.722558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.722558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.722558][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.722558][ T10] netlink_unicast+0x449/0x710 [ 2353.722558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.722558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.722558][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.722558][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.722558][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.722558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.722558][ T10] [ 2353.724652][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2353.724652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2353.724652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2353.724652][ T10] ipv6_find_idev+0x102/0x170 [ 2353.724652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.724652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.724652][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.724652][ T10] netlink_unicast+0x449/0x710 [ 2353.724652][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.724652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.724652][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.724652][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.724652][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.724652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.724652][ T10] [ 2353.726809][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2353.727253][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2353.727253][ T10] netdev_get_by_index+0x5e/0x80 [ 2353.727253][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2353.727253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2353.727253][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2353.727253][ T10] ipv6_add_addr+0x411/0x2000 [ 2353.727253][ T10] inet6_addr_add+0x30e/0xa40 [ 2353.727253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2353.727253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.727253][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.727253][ T10] netlink_unicast+0x449/0x710 [ 2353.727253][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.727253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.727253][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.727253][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.727253][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.727253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.727253][ T10] [ 2353.729532][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2353.729532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2353.729532][ T10] ipv6_find_idev+0x102/0x170 [ 2353.729532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.729532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.729532][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.729532][ T10] netlink_unicast+0x449/0x710 [ 2353.729532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.729532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.729532][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.729532][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.729532][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.729532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.729532][ T10] [ 2353.731281][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2353.731281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2353.731281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2353.731281][ T10] ipv6_find_idev+0x102/0x170 [ 2353.731281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2353.731281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2353.731281][ T10] netlink_rcv_skb+0x130/0x360 [ 2353.731281][ T10] netlink_unicast+0x449/0x710 [ 2353.731281][ T10] netlink_sendmsg+0x723/0xbe0 [ 2353.731281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2353.731281][ T10] ___sys_sendmsg+0xee/0x170 [ 2353.731281][ T10] __sys_sendmsg+0xcd/0x170 [ 2353.731281][ T10] do_syscall_64+0xc6/0x1e0 [ 2353.731281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2353.731281][ T10] [ 2363.809375][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2363.809834][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2363.809834][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.809834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.809834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.809834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.809834][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.809834][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.809834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.809834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.809834][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.809834][ T10] netlink_unicast+0x449/0x710 [ 2363.809834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.809834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.809834][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.809834][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.809834][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.809834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.809834][ T10] [ 2363.812097][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2363.812097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.812097][ T10] ipv6_find_idev+0x102/0x170 [ 2363.812097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.812097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.812097][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.812097][ T10] netlink_unicast+0x449/0x710 [ 2363.812097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.812097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.812097][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.812097][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.812097][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.812097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.812097][ T10] [ 2363.813883][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2363.813883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.813883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.813883][ T10] ipv6_find_idev+0x102/0x170 [ 2363.813883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.813883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.813883][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.813883][ T10] netlink_unicast+0x449/0x710 [ 2363.813883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.813883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.813883][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.813883][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.813883][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.813883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.813883][ T10] [ 2363.815938][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2363.816246][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2363.816246][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.816246][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.816246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.816246][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.816246][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.816246][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.816246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.816246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.816246][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.816246][ T10] netlink_unicast+0x449/0x710 [ 2363.816246][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.816246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.816246][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.816246][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.816246][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.816246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.816246][ T10] [ 2363.818542][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2363.818542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.818542][ T10] ipv6_find_idev+0x102/0x170 [ 2363.818542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.818542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.818542][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.818542][ T10] netlink_unicast+0x449/0x710 [ 2363.818542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.818542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.818542][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.818542][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.818542][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.818542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.818542][ T10] [ 2363.820310][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2363.820310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.820310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.820310][ T10] ipv6_find_idev+0x102/0x170 [ 2363.820310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.820310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.820310][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.820310][ T10] netlink_unicast+0x449/0x710 [ 2363.820310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.820310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.820310][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.820310][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.820310][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.820310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.820310][ T10] [ 2363.822219][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2363.822514][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2363.822514][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.822514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.822514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.822514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.822514][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.822514][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.822514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.822514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.822514][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.822514][ T10] netlink_unicast+0x449/0x710 [ 2363.822514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.822514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.822514][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.822514][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.822514][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.822514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.822514][ T10] [ 2363.824788][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2363.824788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.824788][ T10] ipv6_find_idev+0x102/0x170 [ 2363.824788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.824788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.824788][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.824788][ T10] netlink_unicast+0x449/0x710 [ 2363.824788][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.824788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.824788][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.824788][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.824788][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.824788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.824788][ T10] [ 2363.826660][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2363.826660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.826660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.826660][ T10] ipv6_find_idev+0x102/0x170 [ 2363.826660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.826660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.826660][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.826660][ T10] netlink_unicast+0x449/0x710 [ 2363.826660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.826660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.826660][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.826660][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.826660][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.826660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.826660][ T10] [ 2363.828679][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2363.829046][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2363.829046][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.829046][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.829046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.829046][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.829046][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.829046][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.829046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.829046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.829046][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.829046][ T10] netlink_unicast+0x449/0x710 [ 2363.829046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.829046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.829046][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.829046][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.829046][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.829046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.829046][ T10] [ 2363.831734][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2363.831734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.831734][ T10] ipv6_find_idev+0x102/0x170 [ 2363.831734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.831734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.831734][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.831734][ T10] netlink_unicast+0x449/0x710 [ 2363.831734][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.831734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.831734][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.831734][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.831734][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.831734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.831734][ T10] [ 2363.833643][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2363.833643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.833643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.833643][ T10] ipv6_find_idev+0x102/0x170 [ 2363.833643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.833643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.833643][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.833643][ T10] netlink_unicast+0x449/0x710 [ 2363.833643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.833643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.833643][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.833643][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.833643][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.833643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.833643][ T10] [ 2363.835728][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2363.836018][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2363.836018][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.836018][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.836018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.836018][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.836018][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.836018][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.836018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.836018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.836018][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.836018][ T10] netlink_unicast+0x449/0x710 [ 2363.836018][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.836018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.836018][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.836018][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.836018][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.836018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.836018][ T10] [ 2363.838384][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2363.838384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.838384][ T10] ipv6_find_idev+0x102/0x170 [ 2363.838384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.838384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.838384][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.838384][ T10] netlink_unicast+0x449/0x710 [ 2363.838384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.838384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.838384][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.838384][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.838384][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.838384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.838384][ T10] [ 2363.840341][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2363.840341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.840341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.840341][ T10] ipv6_find_idev+0x102/0x170 [ 2363.840341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.840341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.840341][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.840341][ T10] netlink_unicast+0x449/0x710 [ 2363.840341][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.840341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.840341][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.840341][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.840341][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.840341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.840341][ T10] [ 2363.842448][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2363.842734][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2363.842734][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.842734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.842734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.842734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.842734][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.842734][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.842734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.842734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.842734][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.842734][ T10] netlink_unicast+0x449/0x710 [ 2363.842734][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.842734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.842734][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.842734][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.842734][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.842734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.842734][ T10] [ 2363.845457][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2363.845457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.845457][ T10] ipv6_find_idev+0x102/0x170 [ 2363.845457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.845457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.845457][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.845457][ T10] netlink_unicast+0x449/0x710 [ 2363.845457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.845457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.845457][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.845457][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.845457][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.845457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.845457][ T10] [ 2363.847471][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2363.847471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.847471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.847471][ T10] ipv6_find_idev+0x102/0x170 [ 2363.847471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.847471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.847471][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.847471][ T10] netlink_unicast+0x449/0x710 [ 2363.847471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.847471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.847471][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.847471][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.847471][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.847471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.847471][ T10] [ 2363.849640][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2363.849927][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2363.849927][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.849927][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.849927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.849927][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.849927][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.849927][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.849927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.849927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.849927][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.849927][ T10] netlink_unicast+0x449/0x710 [ 2363.849927][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.849927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.849927][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.849927][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.849927][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.849927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.849927][ T10] [ 2363.852556][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2363.852556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.852556][ T10] ipv6_find_idev+0x102/0x170 [ 2363.852556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.852556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.852556][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.852556][ T10] netlink_unicast+0x449/0x710 [ 2363.852556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.852556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.852556][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.852556][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.852556][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.852556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.852556][ T10] [ 2363.854527][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2363.854527][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.854527][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.854527][ T10] ipv6_find_idev+0x102/0x170 [ 2363.854527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.854527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.854527][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.854527][ T10] netlink_unicast+0x449/0x710 [ 2363.854527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.854527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.854527][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.854527][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.854527][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.854527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.854527][ T10] [ 2363.856580][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2363.856872][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2363.856872][ T10] netdev_get_by_index+0x5e/0x80 [ 2363.856872][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2363.856872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2363.856872][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2363.856872][ T10] ipv6_add_addr+0x411/0x2000 [ 2363.856872][ T10] inet6_addr_add+0x30e/0xa40 [ 2363.856872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2363.856872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.856872][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.856872][ T10] netlink_unicast+0x449/0x710 [ 2363.856872][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.856872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.856872][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.856872][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.856872][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.856872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.856872][ T10] [ 2363.859411][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2363.859411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2363.859411][ T10] ipv6_find_idev+0x102/0x170 [ 2363.859411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.859411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.859411][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.859411][ T10] netlink_unicast+0x449/0x710 [ 2363.859411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.859411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.859411][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.859411][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.859411][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.859411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.859411][ T10] [ 2363.861363][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2363.861363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2363.861363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2363.861363][ T10] ipv6_find_idev+0x102/0x170 [ 2363.861363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2363.861363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2363.861363][ T10] netlink_rcv_skb+0x130/0x360 [ 2363.861363][ T10] netlink_unicast+0x449/0x710 [ 2363.861363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2363.861363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2363.861363][ T10] ___sys_sendmsg+0xee/0x170 [ 2363.861363][ T10] __sys_sendmsg+0xcd/0x170 [ 2363.861363][ T10] do_syscall_64+0xc6/0x1e0 [ 2363.861363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2363.861363][ T10] [ 2373.992211][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2373.992562][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2373.992562][ T10] netdev_get_by_index+0x5e/0x80 [ 2373.992562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2373.992562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2373.992562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2373.992562][ T10] ipv6_add_addr+0x411/0x2000 [ 2373.992562][ T10] inet6_addr_add+0x30e/0xa40 [ 2373.992562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.992562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.992562][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.992562][ T10] netlink_unicast+0x449/0x710 [ 2373.992562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.992562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.992562][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.992562][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.992562][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.992562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.992562][ T10] [ 2373.994657][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2373.994657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2373.994657][ T10] ipv6_find_idev+0x102/0x170 [ 2373.994657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.994657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.994657][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.994657][ T10] netlink_unicast+0x449/0x710 [ 2373.994657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.994657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.994657][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.994657][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.994657][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.994657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.994657][ T10] [ 2373.996273][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2373.996273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2373.996273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2373.996273][ T10] ipv6_find_idev+0x102/0x170 [ 2373.996273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2373.996273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.996273][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.996273][ T10] netlink_unicast+0x449/0x710 [ 2373.996273][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.996273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.996273][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.996273][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.996273][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.996273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.996273][ T10] [ 2373.998058][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2373.998423][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2373.998423][ T10] netdev_get_by_index+0x5e/0x80 [ 2373.998423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2373.998423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2373.998423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2373.998423][ T10] ipv6_add_addr+0x411/0x2000 [ 2373.998423][ T10] inet6_addr_add+0x30e/0xa40 [ 2373.998423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2373.998423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2373.998423][ T10] netlink_rcv_skb+0x130/0x360 [ 2373.998423][ T10] netlink_unicast+0x449/0x710 [ 2373.998423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2373.998423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2373.998423][ T10] ___sys_sendmsg+0xee/0x170 [ 2373.998423][ T10] __sys_sendmsg+0xcd/0x170 [ 2373.998423][ T10] do_syscall_64+0xc6/0x1e0 [ 2373.998423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2373.998423][ T10] [ 2374.000478][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2374.000478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.000478][ T10] ipv6_find_idev+0x102/0x170 [ 2374.000478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.000478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.000478][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.000478][ T10] netlink_unicast+0x449/0x710 [ 2374.000478][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.000478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.000478][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.000478][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.000478][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.000478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.000478][ T10] [ 2374.002051][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2374.002051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.002051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.002051][ T10] ipv6_find_idev+0x102/0x170 [ 2374.002051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.002051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.002051][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.002051][ T10] netlink_unicast+0x449/0x710 [ 2374.002051][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.002051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.002051][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.002051][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.002051][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.002051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.002051][ T10] [ 2374.003790][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2374.004066][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2374.004066][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.004066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.004066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.004066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.004066][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.004066][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.004066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.004066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.004066][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.004066][ T10] netlink_unicast+0x449/0x710 [ 2374.004066][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.004066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.004066][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.004066][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.004066][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.004066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.004066][ T10] [ 2374.006098][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2374.006098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.006098][ T10] ipv6_find_idev+0x102/0x170 [ 2374.006098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.006098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.006098][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.006098][ T10] netlink_unicast+0x449/0x710 [ 2374.006098][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.006098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.006098][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.006098][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.006098][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.006098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.006098][ T10] [ 2374.007663][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2374.007663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.007663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.007663][ T10] ipv6_find_idev+0x102/0x170 [ 2374.007663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.007663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.007663][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.007663][ T10] netlink_unicast+0x449/0x710 [ 2374.007663][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.007663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.007663][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.007663][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.007663][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.007663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.007663][ T10] [ 2374.009395][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2374.009677][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2374.009677][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.009677][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.009677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.009677][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.009677][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.009677][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.009677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.009677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.009677][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.009677][ T10] netlink_unicast+0x449/0x710 [ 2374.009677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.009677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.009677][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.009677][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.009677][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.009677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.009677][ T10] [ 2374.011710][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2374.011710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.011710][ T10] ipv6_find_idev+0x102/0x170 [ 2374.011710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.011710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.011710][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.011710][ T10] netlink_unicast+0x449/0x710 [ 2374.011710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.011710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.011710][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.011710][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.011710][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.011710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.011710][ T10] [ 2374.013278][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2374.013278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.013278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.013278][ T10] ipv6_find_idev+0x102/0x170 [ 2374.013278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.013278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.013278][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.013278][ T10] netlink_unicast+0x449/0x710 [ 2374.013278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.013278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.013278][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.013278][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.013278][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.013278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.013278][ T10] [ 2374.015448][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2374.015784][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2374.015784][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.015784][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.015784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.015784][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.015784][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.015784][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.015784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.015784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.015784][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.015784][ T10] netlink_unicast+0x449/0x710 [ 2374.015784][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.015784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.015784][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.015784][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.015784][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.015784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.015784][ T10] [ 2374.017848][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2374.017848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.017848][ T10] ipv6_find_idev+0x102/0x170 [ 2374.017848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.017848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.017848][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.017848][ T10] netlink_unicast+0x449/0x710 [ 2374.017848][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.017848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.017848][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.017848][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.017848][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.017848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.017848][ T10] [ 2374.019428][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2374.019428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.019428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.019428][ T10] ipv6_find_idev+0x102/0x170 [ 2374.019428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.019428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.019428][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.019428][ T10] netlink_unicast+0x449/0x710 [ 2374.019428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.019428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.019428][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.019428][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.019428][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.019428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.019428][ T10] [ 2374.021215][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2374.021490][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2374.021490][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.021490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.021490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.021490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.021490][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.021490][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.021490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.021490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.021490][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.021490][ T10] netlink_unicast+0x449/0x710 [ 2374.021490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.021490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.021490][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.021490][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.021490][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.021490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.021490][ T10] [ 2374.023575][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2374.023575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.023575][ T10] ipv6_find_idev+0x102/0x170 [ 2374.023575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.023575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.023575][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.023575][ T10] netlink_unicast+0x449/0x710 [ 2374.023575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.023575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.023575][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.023575][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.023575][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.023575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.023575][ T10] [ 2374.025149][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2374.025149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.025149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.025149][ T10] ipv6_find_idev+0x102/0x170 [ 2374.025149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.025149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.025149][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.025149][ T10] netlink_unicast+0x449/0x710 [ 2374.025149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.025149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.025149][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.025149][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.025149][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.025149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.025149][ T10] [ 2374.027007][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2374.027359][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2374.027359][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.027359][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.027359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.027359][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.027359][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.027359][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.027359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.027359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.027359][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.027359][ T10] netlink_unicast+0x449/0x710 [ 2374.027359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.027359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.027359][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.027359][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.027359][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.027359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.027359][ T10] [ 2374.029512][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2374.029512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.029512][ T10] ipv6_find_idev+0x102/0x170 [ 2374.029512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.029512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.029512][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.029512][ T10] netlink_unicast+0x449/0x710 [ 2374.029512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.029512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.029512][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.029512][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.029512][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.029512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.029512][ T10] [ 2374.031271][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2374.031271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.031271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.031271][ T10] ipv6_find_idev+0x102/0x170 [ 2374.031271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.031271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.031271][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.031271][ T10] netlink_unicast+0x449/0x710 [ 2374.031271][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.031271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.031271][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.031271][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.031271][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.031271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.031271][ T10] [ 2374.033191][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2374.033470][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2374.033470][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.033470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.033470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.033470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.033470][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.033470][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.033470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.033470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.033470][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.033470][ T10] netlink_unicast+0x449/0x710 [ 2374.033470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.033470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.033470][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.033470][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.033470][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.033470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.033470][ T10] [ 2374.035527][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2374.035527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.035527][ T10] ipv6_find_idev+0x102/0x170 [ 2374.035527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.035527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.035527][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.035527][ T10] netlink_unicast+0x449/0x710 [ 2374.035527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.035527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.035527][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.035527][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.035527][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.035527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.035527][ T10] [ 2374.037115][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2374.037115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.037115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.037115][ T10] ipv6_find_idev+0x102/0x170 [ 2374.037115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.037115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.037115][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.037115][ T10] netlink_unicast+0x449/0x710 [ 2374.037115][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.037115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.037115][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.037115][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.037115][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.037115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.037115][ T10] [ 2384.089208][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2384.089618][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2384.089618][ T10] netdev_get_by_index+0x5e/0x80 [ 2384.089618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2384.089618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2384.089618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2384.089618][ T10] ipv6_add_addr+0x411/0x2000 [ 2384.089618][ T10] inet6_addr_add+0x30e/0xa40 [ 2384.089618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2384.089618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.089618][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.089618][ T10] netlink_unicast+0x449/0x710 [ 2384.089618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.089618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.089618][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.089618][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.089618][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.089618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.089618][ T10] [ 2384.091908][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2384.091908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2384.091908][ T10] ipv6_find_idev+0x102/0x170 [ 2384.091908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.091908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.091908][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.091908][ T10] netlink_unicast+0x449/0x710 [ 2384.091908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.091908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.091908][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.091908][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.091908][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.091908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.091908][ T10] [ 2384.093702][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2384.093702][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2384.093702][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2384.093702][ T10] ipv6_find_idev+0x102/0x170 [ 2384.093702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.093702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.093702][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.093702][ T10] netlink_unicast+0x449/0x710 [ 2384.093702][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.093702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.093702][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.093702][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.093702][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.093702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.093702][ T10] [ 2384.095747][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2384.096057][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2384.096057][ T10] netdev_get_by_index+0x5e/0x80 [ 2384.096057][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2384.096057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2384.096057][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2384.096057][ T10] ipv6_add_addr+0x411/0x2000 [ 2384.096057][ T10] inet6_addr_add+0x30e/0xa40 [ 2384.096057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2384.096057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.096057][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.096057][ T10] netlink_unicast+0x449/0x710 [ 2384.096057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.096057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.096057][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.096057][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.096057][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.096057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.096057][ T10] [ 2384.098400][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2384.098400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2384.098400][ T10] ipv6_find_idev+0x102/0x170 [ 2384.098400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.098400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.098400][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.098400][ T10] netlink_unicast+0x449/0x710 [ 2384.098400][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.098400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.098400][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.098400][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.098400][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.098400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.098400][ T10] [ 2384.100193][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2384.100193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2384.100193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2384.100193][ T10] ipv6_find_idev+0x102/0x170 [ 2384.100193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.100193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.100193][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.100193][ T10] netlink_unicast+0x449/0x710 [ 2384.100193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.100193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.100193][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.100193][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.100193][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.100193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.100193][ T10] [ 2384.102204][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2384.102512][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2384.102512][ T10] netdev_get_by_index+0x5e/0x80 [ 2384.102512][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2384.102512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2384.102512][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2384.102512][ T10] ipv6_add_addr+0x411/0x2000 [ 2384.102512][ T10] inet6_addr_add+0x30e/0xa40 [ 2384.102512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2384.102512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.102512][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.102512][ T10] netlink_unicast+0x449/0x710 [ 2384.102512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.102512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.102512][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.102512][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.102512][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.102512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.102512][ T10] [ 2384.104814][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2384.104814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2384.104814][ T10] ipv6_find_idev+0x102/0x170 [ 2384.104814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.104814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.104814][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.104814][ T10] netlink_unicast+0x449/0x710 [ 2384.104814][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.104814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.104814][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.104814][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.104814][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.104814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.104814][ T10] [ 2384.106600][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2384.106600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2384.106600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2384.106600][ T10] ipv6_find_idev+0x102/0x170 [ 2384.106600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.106600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.106600][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.106600][ T10] netlink_unicast+0x449/0x710 [ 2384.106600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.106600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.106600][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.106600][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.106600][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.106600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.106600][ T10] [ 2384.108656][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2384.108940][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2384.108940][ T10] netdev_get_by_index+0x5e/0x80 [ 2384.108940][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2384.108940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2384.108940][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2384.108940][ T10] ipv6_add_addr+0x411/0x2000 [ 2384.108940][ T10] inet6_addr_add+0x30e/0xa40 [ 2384.108940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2384.108940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.108940][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.108940][ T10] netlink_unicast+0x449/0x710 [ 2384.108940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.108940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.108940][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.108940][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.108940][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.108940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.108940][ T10] [ 2384.111596][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2384.111596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2384.111596][ T10] ipv6_find_idev+0x102/0x170 [ 2384.111596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.111596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.111596][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.111596][ T10] netlink_unicast+0x449/0x710 [ 2384.111596][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.111596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.111596][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.111596][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.111596][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.111596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.111596][ T10] [ 2384.113558][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2384.113558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2384.113558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2384.113558][ T10] ipv6_find_idev+0x102/0x170 [ 2384.113558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.113558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.113558][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.113558][ T10] netlink_unicast+0x449/0x710 [ 2384.113558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.113558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.113558][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.113558][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.113558][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.113558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.113558][ T10] [ 2384.115813][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2384.116121][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2384.116121][ T10] netdev_get_by_index+0x5e/0x80 [ 2384.116121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2384.116121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2384.116121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2384.116121][ T10] ipv6_add_addr+0x411/0x2000 [ 2384.116121][ T10] inet6_addr_add+0x30e/0xa40 [ 2384.116121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2384.116121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.116121][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.116121][ T10] netlink_unicast+0x449/0x710 [ 2384.116121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.116121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.116121][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.116121][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.116121][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.116121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.116121][ T10] [ 2384.118640][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2384.118640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2384.118640][ T10] ipv6_find_idev+0x102/0x170 [ 2384.118640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.118640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.118640][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.118640][ T10] netlink_unicast+0x449/0x710 [ 2384.118640][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.118640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.118640][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.118640][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.118640][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.118640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.118640][ T10] [ 2384.120693][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2384.120693][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2384.120693][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2384.120693][ T10] ipv6_find_idev+0x102/0x170 [ 2384.120693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.120693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.120693][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.120693][ T10] netlink_unicast+0x449/0x710 [ 2384.120693][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.120693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.120693][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.120693][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.120693][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.120693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.120693][ T10] [ 2384.122872][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2384.123328][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2384.123328][ T10] netdev_get_by_index+0x5e/0x80 [ 2384.123328][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2384.123328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2384.123328][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2384.123328][ T10] ipv6_add_addr+0x411/0x2000 [ 2384.123328][ T10] inet6_addr_add+0x30e/0xa40 [ 2384.123328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2384.123328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.123328][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.123328][ T10] netlink_unicast+0x449/0x710 [ 2384.123328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.123328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.123328][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.123328][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.123328][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.123328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.123328][ T10] [ 2384.125823][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2384.125823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2384.125823][ T10] ipv6_find_idev+0x102/0x170 [ 2384.125823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.125823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.125823][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.125823][ T10] netlink_unicast+0x449/0x710 [ 2384.125823][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.125823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.125823][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.125823][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.125823][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.125823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.125823][ T10] [ 2384.127827][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2384.127827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2384.127827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2384.127827][ T10] ipv6_find_idev+0x102/0x170 [ 2384.127827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.127827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.127827][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.127827][ T10] netlink_unicast+0x449/0x710 [ 2384.127827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.127827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.127827][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.127827][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.127827][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.127827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.127827][ T10] [ 2384.130044][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2384.130488][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2384.130488][ T10] netdev_get_by_index+0x5e/0x80 [ 2384.130488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2384.130488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2384.130488][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2384.130488][ T10] ipv6_add_addr+0x411/0x2000 [ 2384.130488][ T10] inet6_addr_add+0x30e/0xa40 [ 2384.130488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2384.130488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.130488][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.130488][ T10] netlink_unicast+0x449/0x710 [ 2384.130488][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.130488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.130488][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.130488][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.130488][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.130488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.130488][ T10] [ 2384.133221][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2384.133221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2384.133221][ T10] ipv6_find_idev+0x102/0x170 [ 2384.133221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.133221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.133221][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.133221][ T10] netlink_unicast+0x449/0x710 [ 2384.133221][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.133221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.133221][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.133221][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.133221][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.133221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.133221][ T10] [ 2384.135192][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2384.135192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2384.135192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2384.135192][ T10] ipv6_find_idev+0x102/0x170 [ 2384.135192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.135192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.135192][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.135192][ T10] netlink_unicast+0x449/0x710 [ 2384.135192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.135192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.135192][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.135192][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.135192][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.135192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.135192][ T10] [ 2384.137340][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2384.137716][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2384.137716][ T10] netdev_get_by_index+0x5e/0x80 [ 2384.137716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2384.137716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2384.137716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2384.137716][ T10] ipv6_add_addr+0x411/0x2000 [ 2384.137716][ T10] inet6_addr_add+0x30e/0xa40 [ 2384.137716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2384.137716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.137716][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.137716][ T10] netlink_unicast+0x449/0x710 [ 2384.137716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.137716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.137716][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.137716][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.137716][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.137716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.137716][ T10] [ 2384.140519][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2384.140519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2384.140519][ T10] ipv6_find_idev+0x102/0x170 [ 2384.140519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.140519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.140519][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.140519][ T10] netlink_unicast+0x449/0x710 [ 2384.140519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.140519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.140519][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.140519][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.140519][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.140519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.140519][ T10] [ 2384.142518][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2384.142518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2384.142518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2384.142518][ T10] ipv6_find_idev+0x102/0x170 [ 2384.142518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2384.142518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2384.142518][ T10] netlink_rcv_skb+0x130/0x360 [ 2384.142518][ T10] netlink_unicast+0x449/0x710 [ 2384.142518][ T10] netlink_sendmsg+0x723/0xbe0 [ 2384.142518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2384.142518][ T10] ___sys_sendmsg+0xee/0x170 [ 2384.142518][ T10] __sys_sendmsg+0xcd/0x170 [ 2384.142518][ T10] do_syscall_64+0xc6/0x1e0 [ 2384.142518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2384.142518][ T10] [ 2394.304211][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2394.304893][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2394.304893][ T10] netdev_get_by_index+0x5e/0x80 [ 2394.304893][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2394.304893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2394.304893][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2394.304893][ T10] ipv6_add_addr+0x411/0x2000 [ 2394.304893][ T10] inet6_addr_add+0x30e/0xa40 [ 2394.304893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2394.304893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.304893][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.304893][ T10] netlink_unicast+0x449/0x710 [ 2394.304893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.304893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.304893][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.304893][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.304893][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.304893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.304893][ T10] [ 2394.306965][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2394.306965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2394.306965][ T10] ipv6_find_idev+0x102/0x170 [ 2394.306965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.306965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.306965][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.306965][ T10] netlink_unicast+0x449/0x710 [ 2394.306965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.306965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.306965][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.306965][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.306965][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.306965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.306965][ T10] [ 2394.308516][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2394.308516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2394.308516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2394.308516][ T10] ipv6_find_idev+0x102/0x170 [ 2394.308516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.308516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.308516][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.308516][ T10] netlink_unicast+0x449/0x710 [ 2394.308516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.308516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.308516][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.308516][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.308516][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.308516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.308516][ T10] [ 2394.310266][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2394.310544][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2394.310544][ T10] netdev_get_by_index+0x5e/0x80 [ 2394.310544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2394.310544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2394.310544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2394.310544][ T10] ipv6_add_addr+0x411/0x2000 [ 2394.310544][ T10] inet6_addr_add+0x30e/0xa40 [ 2394.310544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2394.310544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.310544][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.310544][ T10] netlink_unicast+0x449/0x710 [ 2394.310544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.310544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.310544][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.310544][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.310544][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.310544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.310544][ T10] [ 2394.312590][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2394.312590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2394.312590][ T10] ipv6_find_idev+0x102/0x170 [ 2394.312590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.312590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.312590][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.312590][ T10] netlink_unicast+0x449/0x710 [ 2394.312590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.312590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.312590][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.312590][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.312590][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.312590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.312590][ T10] [ 2394.314196][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2394.314196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2394.314196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2394.314196][ T10] ipv6_find_idev+0x102/0x170 [ 2394.314196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.314196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.314196][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.314196][ T10] netlink_unicast+0x449/0x710 [ 2394.314196][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.314196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.314196][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.314196][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.314196][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.314196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.314196][ T10] [ 2394.315959][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2394.316270][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2394.316270][ T10] netdev_get_by_index+0x5e/0x80 [ 2394.316270][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2394.316270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2394.316270][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2394.316270][ T10] ipv6_add_addr+0x411/0x2000 [ 2394.316270][ T10] inet6_addr_add+0x30e/0xa40 [ 2394.316270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2394.316270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.316270][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.316270][ T10] netlink_unicast+0x449/0x710 [ 2394.316270][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.316270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.316270][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.316270][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.316270][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.316270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.316270][ T10] [ 2394.318328][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2394.318328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2394.318328][ T10] ipv6_find_idev+0x102/0x170 [ 2394.318328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.318328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.318328][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.318328][ T10] netlink_unicast+0x449/0x710 [ 2394.318328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.318328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.318328][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.318328][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.318328][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.318328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.318328][ T10] [ 2394.319860][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2394.319860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2394.319860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2394.319860][ T10] ipv6_find_idev+0x102/0x170 [ 2394.319860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.319860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.319860][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.319860][ T10] netlink_unicast+0x449/0x710 [ 2394.319860][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.319860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.319860][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.319860][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.319860][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.319860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.319860][ T10] [ 2394.321721][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2394.322007][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2394.322007][ T10] netdev_get_by_index+0x5e/0x80 [ 2394.322007][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2394.322007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2394.322007][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2394.322007][ T10] ipv6_add_addr+0x411/0x2000 [ 2394.322007][ T10] inet6_addr_add+0x30e/0xa40 [ 2394.322007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2394.322007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.322007][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.322007][ T10] netlink_unicast+0x449/0x710 [ 2394.322007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.322007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.322007][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.322007][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.322007][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.322007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.322007][ T10] [ 2394.324170][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2394.324170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2394.324170][ T10] ipv6_find_idev+0x102/0x170 [ 2394.324170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.324170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.324170][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.324170][ T10] netlink_unicast+0x449/0x710 [ 2394.324170][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.324170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.324170][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.324170][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.324170][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.324170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.324170][ T10] [ 2394.325791][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2394.325791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2394.325791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2394.325791][ T10] ipv6_find_idev+0x102/0x170 [ 2394.325791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.325791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.325791][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.325791][ T10] netlink_unicast+0x449/0x710 [ 2394.325791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.325791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.325791][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.325791][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.325791][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.325791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.325791][ T10] [ 2394.327749][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2394.328040][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2394.328040][ T10] netdev_get_by_index+0x5e/0x80 [ 2394.328040][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2394.328040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2394.328040][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2394.328040][ T10] ipv6_add_addr+0x411/0x2000 [ 2394.328040][ T10] inet6_addr_add+0x30e/0xa40 [ 2394.328040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2394.328040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.328040][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.328040][ T10] netlink_unicast+0x449/0x710 [ 2394.328040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.328040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.328040][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.328040][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.328040][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.328040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.328040][ T10] [ 2394.330327][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2394.330327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2394.330327][ T10] ipv6_find_idev+0x102/0x170 [ 2394.330327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.330327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.330327][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.330327][ T10] netlink_unicast+0x449/0x710 [ 2394.330327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.330327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.330327][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.330327][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.330327][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.330327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.330327][ T10] [ 2394.332037][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2394.332037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2394.332037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2394.332037][ T10] ipv6_find_idev+0x102/0x170 [ 2394.332037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.332037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.332037][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.332037][ T10] netlink_unicast+0x449/0x710 [ 2394.332037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.332037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.332037][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.332037][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.332037][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.332037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.332037][ T10] [ 2394.333975][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2394.334758][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2394.334758][ T10] netdev_get_by_index+0x5e/0x80 [ 2394.334758][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2394.334758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2394.334758][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2394.334758][ T10] ipv6_add_addr+0x411/0x2000 [ 2394.334758][ T10] inet6_addr_add+0x30e/0xa40 [ 2394.334758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2394.334758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.334758][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.334758][ T10] netlink_unicast+0x449/0x710 [ 2394.334758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.334758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.334758][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.334758][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.334758][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.334758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.334758][ T10] [ 2394.336837][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2394.336837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2394.336837][ T10] ipv6_find_idev+0x102/0x170 [ 2394.336837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.336837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.336837][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.336837][ T10] netlink_unicast+0x449/0x710 [ 2394.336837][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.336837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.336837][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.336837][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.336837][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.336837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.336837][ T10] [ 2394.338384][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2394.338384][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2394.338384][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2394.338384][ T10] ipv6_find_idev+0x102/0x170 [ 2394.338384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.338384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.338384][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.338384][ T10] netlink_unicast+0x449/0x710 [ 2394.338384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.338384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.338384][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.338384][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.338384][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.338384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.338384][ T10] [ 2394.340178][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2394.340463][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2394.340463][ T10] netdev_get_by_index+0x5e/0x80 [ 2394.340463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2394.340463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2394.340463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2394.340463][ T10] ipv6_add_addr+0x411/0x2000 [ 2394.340463][ T10] inet6_addr_add+0x30e/0xa40 [ 2394.340463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2394.340463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.340463][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.340463][ T10] netlink_unicast+0x449/0x710 [ 2394.340463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.340463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.340463][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.340463][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.340463][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.340463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.340463][ T10] [ 2394.342628][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2394.342628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2394.342628][ T10] ipv6_find_idev+0x102/0x170 [ 2394.342628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.342628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.342628][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.342628][ T10] netlink_unicast+0x449/0x710 [ 2394.342628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.342628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.342628][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.342628][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.342628][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.342628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.342628][ T10] [ 2394.344321][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2394.344321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2394.344321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2394.344321][ T10] ipv6_find_idev+0x102/0x170 [ 2394.344321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.344321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.344321][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.344321][ T10] netlink_unicast+0x449/0x710 [ 2394.344321][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.344321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.344321][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.344321][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.344321][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.344321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.344321][ T10] [ 2394.346415][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2394.346702][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2394.346702][ T10] netdev_get_by_index+0x5e/0x80 [ 2394.346702][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2394.346702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2394.346702][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2394.346702][ T10] ipv6_add_addr+0x411/0x2000 [ 2394.346702][ T10] inet6_addr_add+0x30e/0xa40 [ 2394.346702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2394.346702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.346702][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.346702][ T10] netlink_unicast+0x449/0x710 [ 2394.346702][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.346702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.346702][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.346702][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.346702][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.346702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.346702][ T10] [ 2394.348812][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2394.348812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2394.348812][ T10] ipv6_find_idev+0x102/0x170 [ 2394.348812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.348812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.348812][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.348812][ T10] netlink_unicast+0x449/0x710 [ 2394.348812][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.348812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.348812][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.348812][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.348812][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.348812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.348812][ T10] [ 2394.350543][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2394.350543][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2394.350543][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2394.350543][ T10] ipv6_find_idev+0x102/0x170 [ 2394.350543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2394.350543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2394.350543][ T10] netlink_rcv_skb+0x130/0x360 [ 2394.350543][ T10] netlink_unicast+0x449/0x710 [ 2394.350543][ T10] netlink_sendmsg+0x723/0xbe0 [ 2394.350543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2394.350543][ T10] ___sys_sendmsg+0xee/0x170 [ 2394.350543][ T10] __sys_sendmsg+0xcd/0x170 [ 2394.350543][ T10] do_syscall_64+0xc6/0x1e0 [ 2394.350543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2394.350543][ T10] [ 2404.433166][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2404.433759][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2404.433759][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.433759][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.433759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.433759][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.433759][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.433759][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.433759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.433759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.433759][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.433759][ T10] netlink_unicast+0x449/0x710 [ 2404.433759][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.433759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.433759][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.433759][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.433759][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.433759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.433759][ T10] [ 2404.435855][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2404.435855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.435855][ T10] ipv6_find_idev+0x102/0x170 [ 2404.435855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.435855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.435855][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.435855][ T10] netlink_unicast+0x449/0x710 [ 2404.435855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.435855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.435855][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.435855][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.435855][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.435855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.435855][ T10] [ 2404.437407][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2404.437407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.437407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.437407][ T10] ipv6_find_idev+0x102/0x170 [ 2404.437407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.437407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.437407][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.437407][ T10] netlink_unicast+0x449/0x710 [ 2404.437407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.437407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.437407][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.437407][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.437407][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.437407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.437407][ T10] [ 2404.439122][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2404.439423][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2404.439423][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.439423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.439423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.439423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.439423][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.439423][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.439423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.439423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.439423][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.439423][ T10] netlink_unicast+0x449/0x710 [ 2404.439423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.439423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.439423][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.439423][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.439423][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.439423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.439423][ T10] [ 2404.441491][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2404.441491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.441491][ T10] ipv6_find_idev+0x102/0x170 [ 2404.441491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.441491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.441491][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.441491][ T10] netlink_unicast+0x449/0x710 [ 2404.441491][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.441491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.441491][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.441491][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.441491][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.441491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.441491][ T10] [ 2404.443056][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2404.443056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.443056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.443056][ T10] ipv6_find_idev+0x102/0x170 [ 2404.443056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.443056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.443056][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.443056][ T10] netlink_unicast+0x449/0x710 [ 2404.443056][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.443056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.443056][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.443056][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.443056][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.443056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.443056][ T10] [ 2404.444847][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2404.445134][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2404.445134][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.445134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.445134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.445134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.445134][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.445134][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.445134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.445134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.445134][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.445134][ T10] netlink_unicast+0x449/0x710 [ 2404.445134][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.445134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.445134][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.445134][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.445134][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.445134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.445134][ T10] [ 2404.447170][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2404.447170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.447170][ T10] ipv6_find_idev+0x102/0x170 [ 2404.447170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.447170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.447170][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.447170][ T10] netlink_unicast+0x449/0x710 [ 2404.447170][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.447170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.447170][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.447170][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.447170][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.447170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.447170][ T10] [ 2404.448748][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2404.448748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.448748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.448748][ T10] ipv6_find_idev+0x102/0x170 [ 2404.448748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.448748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.448748][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.448748][ T10] netlink_unicast+0x449/0x710 [ 2404.448748][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.448748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.448748][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.448748][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.448748][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.448748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.448748][ T10] [ 2404.450456][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2404.450729][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2404.450729][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.450729][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.450729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.450729][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.450729][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.450729][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.450729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.450729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.450729][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.450729][ T10] netlink_unicast+0x449/0x710 [ 2404.450729][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.450729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.450729][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.450729][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.450729][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.450729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.450729][ T10] [ 2404.452757][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2404.452757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.452757][ T10] ipv6_find_idev+0x102/0x170 [ 2404.452757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.452757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.452757][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.452757][ T10] netlink_unicast+0x449/0x710 [ 2404.452757][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.452757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.452757][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.452757][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.452757][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.452757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.452757][ T10] [ 2404.454403][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2404.454403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.454403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.454403][ T10] ipv6_find_idev+0x102/0x170 [ 2404.454403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.454403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.454403][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.454403][ T10] netlink_unicast+0x449/0x710 [ 2404.454403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.454403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.454403][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.454403][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.454403][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.454403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.454403][ T10] [ 2404.456792][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2404.457145][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2404.457145][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.457145][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.457145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.457145][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.457145][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.457145][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.457145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.457145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.457145][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.457145][ T10] netlink_unicast+0x449/0x710 [ 2404.457145][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.457145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.457145][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.457145][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.457145][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.457145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.457145][ T10] [ 2404.459196][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2404.459196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.459196][ T10] ipv6_find_idev+0x102/0x170 [ 2404.459196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.459196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.459196][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.459196][ T10] netlink_unicast+0x449/0x710 [ 2404.459196][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.459196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.459196][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.459196][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.459196][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.459196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.459196][ T10] [ 2404.460811][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2404.460811][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.460811][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.460811][ T10] ipv6_find_idev+0x102/0x170 [ 2404.460811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.460811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.460811][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.460811][ T10] netlink_unicast+0x449/0x710 [ 2404.460811][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.460811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.460811][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.460811][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.460811][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.460811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.460811][ T10] [ 2404.462691][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2404.462978][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2404.462978][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.462978][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.462978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.462978][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.462978][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.462978][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.462978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.462978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.462978][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.462978][ T10] netlink_unicast+0x449/0x710 [ 2404.462978][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.462978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.462978][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.462978][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.462978][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.462978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.462978][ T10] [ 2404.465031][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2404.465031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.465031][ T10] ipv6_find_idev+0x102/0x170 [ 2404.465031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.465031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.465031][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.465031][ T10] netlink_unicast+0x449/0x710 [ 2404.465031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.465031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.465031][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.465031][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.465031][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.465031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.465031][ T10] [ 2404.466744][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2404.466744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.466744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.466744][ T10] ipv6_find_idev+0x102/0x170 [ 2404.466744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.466744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.466744][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.466744][ T10] netlink_unicast+0x449/0x710 [ 2404.466744][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.466744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.466744][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.466744][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.466744][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.466744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.466744][ T10] [ 2404.468638][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2404.468994][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2404.468994][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.468994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.468994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.468994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.468994][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.468994][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.468994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.468994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.468994][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.468994][ T10] netlink_unicast+0x449/0x710 [ 2404.468994][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.468994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.468994][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.468994][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.468994][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.468994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.468994][ T10] [ 2404.471203][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2404.471203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.471203][ T10] ipv6_find_idev+0x102/0x170 [ 2404.471203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.471203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.471203][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.471203][ T10] netlink_unicast+0x449/0x710 [ 2404.471203][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.471203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.471203][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.471203][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.471203][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.471203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.471203][ T10] [ 2404.472973][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2404.472973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.472973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.472973][ T10] ipv6_find_idev+0x102/0x170 [ 2404.472973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.472973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.472973][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.472973][ T10] netlink_unicast+0x449/0x710 [ 2404.472973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.472973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.472973][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.472973][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.472973][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.472973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.472973][ T10] [ 2404.474903][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2404.475248][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2404.475248][ T10] netdev_get_by_index+0x5e/0x80 [ 2404.475248][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2404.475248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2404.475248][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2404.475248][ T10] ipv6_add_addr+0x411/0x2000 [ 2404.475248][ T10] inet6_addr_add+0x30e/0xa40 [ 2404.475248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2404.475248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.475248][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.475248][ T10] netlink_unicast+0x449/0x710 [ 2404.475248][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.475248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.475248][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.475248][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.475248][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.475248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.475248][ T10] [ 2404.477335][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2404.477335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2404.477335][ T10] ipv6_find_idev+0x102/0x170 [ 2404.477335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.477335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.477335][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.477335][ T10] netlink_unicast+0x449/0x710 [ 2404.477335][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.477335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.477335][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.477335][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.477335][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.477335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.477335][ T10] [ 2404.479030][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2404.479030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2404.479030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2404.479030][ T10] ipv6_find_idev+0x102/0x170 [ 2404.479030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2404.479030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2404.479030][ T10] netlink_rcv_skb+0x130/0x360 [ 2404.479030][ T10] netlink_unicast+0x449/0x710 [ 2404.479030][ T10] netlink_sendmsg+0x723/0xbe0 [ 2404.479030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2404.479030][ T10] ___sys_sendmsg+0xee/0x170 [ 2404.479030][ T10] __sys_sendmsg+0xcd/0x170 [ 2404.479030][ T10] do_syscall_64+0xc6/0x1e0 [ 2404.479030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2404.479030][ T10] [ 2414.640300][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2414.640792][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2414.640792][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.640792][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.640792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.640792][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.640792][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.640792][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.640792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.640792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.640792][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.640792][ T10] netlink_unicast+0x449/0x710 [ 2414.640792][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.640792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.640792][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.640792][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.640792][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.640792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.640792][ T10] [ 2414.642753][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2414.642753][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.642753][ T10] ipv6_find_idev+0x102/0x170 [ 2414.642753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.642753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.642753][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.642753][ T10] netlink_unicast+0x449/0x710 [ 2414.642753][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.642753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.642753][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.642753][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.642753][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.642753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.642753][ T10] [ 2414.644280][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2414.644280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.644280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.644280][ T10] ipv6_find_idev+0x102/0x170 [ 2414.644280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.644280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.644280][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.644280][ T10] netlink_unicast+0x449/0x710 [ 2414.644280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.644280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.644280][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.644280][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.644280][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.644280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.644280][ T10] [ 2414.645991][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2414.646284][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2414.646284][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.646284][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.646284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.646284][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.646284][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.646284][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.646284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.646284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.646284][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.646284][ T10] netlink_unicast+0x449/0x710 [ 2414.646284][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.646284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.646284][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.646284][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.646284][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.646284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.646284][ T10] [ 2414.648242][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2414.648242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.648242][ T10] ipv6_find_idev+0x102/0x170 [ 2414.648242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.648242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.648242][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.648242][ T10] netlink_unicast+0x449/0x710 [ 2414.648242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.648242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.648242][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.648242][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.648242][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.648242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.648242][ T10] [ 2414.649725][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2414.649725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.649725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.649725][ T10] ipv6_find_idev+0x102/0x170 [ 2414.649725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.649725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.649725][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.649725][ T10] netlink_unicast+0x449/0x710 [ 2414.649725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.649725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.649725][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.649725][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.649725][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.649725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.649725][ T10] [ 2414.651341][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2414.651603][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2414.651603][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.651603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.651603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.651603][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.651603][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.651603][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.651603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.651603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.651603][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.651603][ T10] netlink_unicast+0x449/0x710 [ 2414.651603][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.651603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.651603][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.651603][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.651603][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.651603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.651603][ T10] [ 2414.653563][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2414.653563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.653563][ T10] ipv6_find_idev+0x102/0x170 [ 2414.653563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.653563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.653563][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.653563][ T10] netlink_unicast+0x449/0x710 [ 2414.653563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.653563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.653563][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.653563][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.653563][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.653563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.653563][ T10] [ 2414.655106][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2414.655106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.655106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.655106][ T10] ipv6_find_idev+0x102/0x170 [ 2414.655106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.655106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.655106][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.655106][ T10] netlink_unicast+0x449/0x710 [ 2414.655106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.655106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.655106][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.655106][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.655106][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.655106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.655106][ T10] [ 2414.656732][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2414.656989][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2414.656989][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.656989][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.656989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.656989][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.656989][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.656989][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.656989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.656989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.656989][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.656989][ T10] netlink_unicast+0x449/0x710 [ 2414.656989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.656989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.656989][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.656989][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.656989][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.656989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.656989][ T10] [ 2414.658992][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2414.658992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.658992][ T10] ipv6_find_idev+0x102/0x170 [ 2414.658992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.658992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.658992][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.658992][ T10] netlink_unicast+0x449/0x710 [ 2414.658992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.658992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.658992][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.658992][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.658992][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.658992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.658992][ T10] [ 2414.660529][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2414.660529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.660529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.660529][ T10] ipv6_find_idev+0x102/0x170 [ 2414.660529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.660529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.660529][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.660529][ T10] netlink_unicast+0x449/0x710 [ 2414.660529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.660529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.660529][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.660529][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.660529][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.660529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.660529][ T10] [ 2414.662565][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2414.662820][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2414.662820][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.662820][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.662820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.662820][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.662820][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.662820][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.662820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.662820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.662820][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.662820][ T10] netlink_unicast+0x449/0x710 [ 2414.662820][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.662820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.662820][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.662820][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.662820][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.662820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.662820][ T10] [ 2414.664791][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2414.664791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.664791][ T10] ipv6_find_idev+0x102/0x170 [ 2414.664791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.664791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.664791][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.664791][ T10] netlink_unicast+0x449/0x710 [ 2414.664791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.664791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.664791][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.664791][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.664791][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.664791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.664791][ T10] [ 2414.666301][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2414.666301][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.666301][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.666301][ T10] ipv6_find_idev+0x102/0x170 [ 2414.666301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.666301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.666301][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.666301][ T10] netlink_unicast+0x449/0x710 [ 2414.666301][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.666301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.666301][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.666301][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.666301][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.666301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.666301][ T10] [ 2414.668191][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2414.668462][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2414.668462][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.668462][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.668462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.668462][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.668462][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.668462][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.668462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.668462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.668462][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.668462][ T10] netlink_unicast+0x449/0x710 [ 2414.668462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.668462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.668462][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.668462][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.668462][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.668462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.668462][ T10] [ 2414.670698][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2414.670698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.670698][ T10] ipv6_find_idev+0x102/0x170 [ 2414.670698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.670698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.670698][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.670698][ T10] netlink_unicast+0x449/0x710 [ 2414.670698][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.670698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.670698][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.670698][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.670698][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.670698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.670698][ T10] [ 2414.672356][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2414.672356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.672356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.672356][ T10] ipv6_find_idev+0x102/0x170 [ 2414.672356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.672356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.672356][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.672356][ T10] netlink_unicast+0x449/0x710 [ 2414.672356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.672356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.672356][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.672356][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.672356][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.672356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.672356][ T10] [ 2414.674218][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2414.674484][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2414.674484][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.674484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.674484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.674484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.674484][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.674484][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.674484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.674484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.674484][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.674484][ T10] netlink_unicast+0x449/0x710 [ 2414.674484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.674484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.674484][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.674484][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.674484][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.674484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.674484][ T10] [ 2414.676692][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2414.676692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.676692][ T10] ipv6_find_idev+0x102/0x170 [ 2414.676692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.676692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.676692][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.676692][ T10] netlink_unicast+0x449/0x710 [ 2414.676692][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.676692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.676692][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.676692][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.676692][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.676692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.676692][ T10] [ 2414.678348][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2414.678348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.678348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.678348][ T10] ipv6_find_idev+0x102/0x170 [ 2414.678348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.678348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.678348][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.678348][ T10] netlink_unicast+0x449/0x710 [ 2414.678348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.678348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.678348][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.678348][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.678348][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.678348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.678348][ T10] [ 2414.680292][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2414.680555][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2414.680555][ T10] netdev_get_by_index+0x5e/0x80 [ 2414.680555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2414.680555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2414.680555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2414.680555][ T10] ipv6_add_addr+0x411/0x2000 [ 2414.680555][ T10] inet6_addr_add+0x30e/0xa40 [ 2414.680555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2414.680555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.680555][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.680555][ T10] netlink_unicast+0x449/0x710 [ 2414.680555][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.680555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.680555][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.680555][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.680555][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.680555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.680555][ T10] [ 2414.682763][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2414.682763][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2414.682763][ T10] ipv6_find_idev+0x102/0x170 [ 2414.682763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.682763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.682763][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.682763][ T10] netlink_unicast+0x449/0x710 [ 2414.682763][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.682763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.682763][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.682763][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.682763][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.682763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.682763][ T10] [ 2414.684499][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2414.684499][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2414.684499][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2414.684499][ T10] ipv6_find_idev+0x102/0x170 [ 2414.684499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2414.684499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2414.684499][ T10] netlink_rcv_skb+0x130/0x360 [ 2414.684499][ T10] netlink_unicast+0x449/0x710 [ 2414.684499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2414.684499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2414.684499][ T10] ___sys_sendmsg+0xee/0x170 [ 2414.684499][ T10] __sys_sendmsg+0xcd/0x170 [ 2414.684499][ T10] do_syscall_64+0xc6/0x1e0 [ 2414.684499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2414.684499][ T10] [ 2424.745115][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2424.745436][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2424.745436][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.745436][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.745436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.745436][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.745436][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.745436][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.745436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.745436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.745436][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.745436][ T10] netlink_unicast+0x449/0x710 [ 2424.745436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.745436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.745436][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.745436][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.745436][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.745436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.745436][ T10] [ 2424.747435][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2424.747435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.747435][ T10] ipv6_find_idev+0x102/0x170 [ 2424.747435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.747435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.747435][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.747435][ T10] netlink_unicast+0x449/0x710 [ 2424.747435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.747435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.747435][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.747435][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.747435][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.747435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.747435][ T10] [ 2424.748975][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2424.748975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.748975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.748975][ T10] ipv6_find_idev+0x102/0x170 [ 2424.748975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.748975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.748975][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.748975][ T10] netlink_unicast+0x449/0x710 [ 2424.748975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.748975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.748975][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.748975][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.748975][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.748975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.748975][ T10] [ 2424.750666][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2424.750942][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2424.750942][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.750942][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.750942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.750942][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.750942][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.750942][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.750942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.750942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.750942][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.750942][ T10] netlink_unicast+0x449/0x710 [ 2424.750942][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.750942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.750942][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.750942][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.750942][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.750942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.750942][ T10] [ 2424.752919][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2424.752919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.752919][ T10] ipv6_find_idev+0x102/0x170 [ 2424.752919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.752919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.752919][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.752919][ T10] netlink_unicast+0x449/0x710 [ 2424.752919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.752919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.752919][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.752919][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.752919][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.752919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.752919][ T10] [ 2424.754457][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2424.754457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.754457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.754457][ T10] ipv6_find_idev+0x102/0x170 [ 2424.754457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.754457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.754457][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.754457][ T10] netlink_unicast+0x449/0x710 [ 2424.754457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.754457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.754457][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.754457][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.754457][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.754457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.754457][ T10] [ 2424.756129][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2424.756405][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2424.756405][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.756405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.756405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.756405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.756405][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.756405][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.756405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.756405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.756405][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.756405][ T10] netlink_unicast+0x449/0x710 [ 2424.756405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.756405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.756405][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.756405][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.756405][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.756405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.756405][ T10] [ 2424.758394][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2424.758394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.758394][ T10] ipv6_find_idev+0x102/0x170 [ 2424.758394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.758394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.758394][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.758394][ T10] netlink_unicast+0x449/0x710 [ 2424.758394][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.758394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.758394][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.758394][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.758394][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.758394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.758394][ T10] [ 2424.759909][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2424.759909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.759909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.759909][ T10] ipv6_find_idev+0x102/0x170 [ 2424.759909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.759909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.759909][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.759909][ T10] netlink_unicast+0x449/0x710 [ 2424.759909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.759909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.759909][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.759909][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.759909][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.759909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.759909][ T10] [ 2424.761660][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2424.761938][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2424.761938][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.761938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.761938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.761938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.761938][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.761938][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.761938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.761938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.761938][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.761938][ T10] netlink_unicast+0x449/0x710 [ 2424.761938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.761938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.761938][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.761938][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.761938][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.761938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.761938][ T10] [ 2424.763912][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2424.763912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.763912][ T10] ipv6_find_idev+0x102/0x170 [ 2424.763912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.763912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.763912][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.763912][ T10] netlink_unicast+0x449/0x710 [ 2424.763912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.763912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.763912][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.763912][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.763912][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.763912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.763912][ T10] [ 2424.765436][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2424.765436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.765436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.765436][ T10] ipv6_find_idev+0x102/0x170 [ 2424.765436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.765436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.765436][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.765436][ T10] netlink_unicast+0x449/0x710 [ 2424.765436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.765436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.765436][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.765436][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.765436][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.765436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.765436][ T10] [ 2424.767142][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2424.767412][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2424.767412][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.767412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.767412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.767412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.767412][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.767412][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.767412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.767412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.767412][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.767412][ T10] netlink_unicast+0x449/0x710 [ 2424.767412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.767412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.767412][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.767412][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.767412][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.767412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.767412][ T10] [ 2424.769402][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2424.769402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.769402][ T10] ipv6_find_idev+0x102/0x170 [ 2424.769402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.769402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.769402][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.769402][ T10] netlink_unicast+0x449/0x710 [ 2424.769402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.769402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.769402][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.769402][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.769402][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.769402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.769402][ T10] [ 2424.770933][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2424.770933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.770933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.770933][ T10] ipv6_find_idev+0x102/0x170 [ 2424.770933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.770933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.770933][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.770933][ T10] netlink_unicast+0x449/0x710 [ 2424.770933][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.770933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.770933][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.770933][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.770933][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.770933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.770933][ T10] [ 2424.773000][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2424.773329][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2424.773329][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.773329][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.773329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.773329][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.773329][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.773329][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.773329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.773329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.773329][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.773329][ T10] netlink_unicast+0x449/0x710 [ 2424.773329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.773329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.773329][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.773329][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.773329][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.773329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.773329][ T10] [ 2424.775302][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2424.775302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.775302][ T10] ipv6_find_idev+0x102/0x170 [ 2424.775302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.775302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.775302][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.775302][ T10] netlink_unicast+0x449/0x710 [ 2424.775302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.775302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.775302][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.775302][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.775302][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.775302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.775302][ T10] [ 2424.776837][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2424.776837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.776837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.776837][ T10] ipv6_find_idev+0x102/0x170 [ 2424.776837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.776837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.776837][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.776837][ T10] netlink_unicast+0x449/0x710 [ 2424.776837][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.776837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.776837][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.776837][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.776837][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.776837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.776837][ T10] [ 2424.778566][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2424.778834][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2424.778834][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.778834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.778834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.778834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.778834][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.778834][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.778834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.778834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.778834][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.778834][ T10] netlink_unicast+0x449/0x710 [ 2424.778834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.778834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.778834][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.778834][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.778834][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.778834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.778834][ T10] [ 2424.780808][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2424.780808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.780808][ T10] ipv6_find_idev+0x102/0x170 [ 2424.780808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.780808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.780808][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.780808][ T10] netlink_unicast+0x449/0x710 [ 2424.780808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.780808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.780808][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.780808][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.780808][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.780808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.780808][ T10] [ 2424.782338][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2424.782338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.782338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.782338][ T10] ipv6_find_idev+0x102/0x170 [ 2424.782338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.782338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.782338][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.782338][ T10] netlink_unicast+0x449/0x710 [ 2424.782338][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.782338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.782338][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.782338][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.782338][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.782338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.782338][ T10] [ 2424.784073][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2424.784422][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2424.784422][ T10] netdev_get_by_index+0x5e/0x80 [ 2424.784422][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2424.784422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2424.784422][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2424.784422][ T10] ipv6_add_addr+0x411/0x2000 [ 2424.784422][ T10] inet6_addr_add+0x30e/0xa40 [ 2424.784422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2424.784422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.784422][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.784422][ T10] netlink_unicast+0x449/0x710 [ 2424.784422][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.784422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.784422][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.784422][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.784422][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.784422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.784422][ T10] [ 2424.786497][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2424.786497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2424.786497][ T10] ipv6_find_idev+0x102/0x170 [ 2424.786497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.786497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.786497][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.786497][ T10] netlink_unicast+0x449/0x710 [ 2424.786497][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.786497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.786497][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.786497][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.786497][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.786497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.786497][ T10] [ 2424.788253][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2424.788253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2424.788253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2424.788253][ T10] ipv6_find_idev+0x102/0x170 [ 2424.788253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2424.788253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2424.788253][ T10] netlink_rcv_skb+0x130/0x360 [ 2424.788253][ T10] netlink_unicast+0x449/0x710 [ 2424.788253][ T10] netlink_sendmsg+0x723/0xbe0 [ 2424.788253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2424.788253][ T10] ___sys_sendmsg+0xee/0x170 [ 2424.788253][ T10] __sys_sendmsg+0xcd/0x170 [ 2424.788253][ T10] do_syscall_64+0xc6/0x1e0 [ 2424.788253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2424.788253][ T10] [ 2434.928269][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2434.928771][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2434.928771][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.928771][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.928771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.928771][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.928771][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.928771][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.928771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.928771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.928771][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.928771][ T10] netlink_unicast+0x449/0x710 [ 2434.928771][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.928771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.928771][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.928771][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.928771][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.928771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.928771][ T10] [ 2434.930712][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2434.930712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.930712][ T10] ipv6_find_idev+0x102/0x170 [ 2434.930712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.930712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.930712][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.930712][ T10] netlink_unicast+0x449/0x710 [ 2434.930712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.930712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.930712][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.930712][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.930712][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.930712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.930712][ T10] [ 2434.932213][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2434.932213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.932213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.932213][ T10] ipv6_find_idev+0x102/0x170 [ 2434.932213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.932213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.932213][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.932213][ T10] netlink_unicast+0x449/0x710 [ 2434.932213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.932213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.932213][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.932213][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.932213][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.932213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.932213][ T10] [ 2434.933929][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2434.934213][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2434.934213][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.934213][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.934213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.934213][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.934213][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.934213][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.934213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.934213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.934213][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.934213][ T10] netlink_unicast+0x449/0x710 [ 2434.934213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.934213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.934213][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.934213][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.934213][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.934213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.934213][ T10] [ 2434.936208][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2434.936208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.936208][ T10] ipv6_find_idev+0x102/0x170 [ 2434.936208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.936208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.936208][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.936208][ T10] netlink_unicast+0x449/0x710 [ 2434.936208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.936208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.936208][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.936208][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.936208][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.936208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.936208][ T10] [ 2434.937669][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2434.937669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.937669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.937669][ T10] ipv6_find_idev+0x102/0x170 [ 2434.937669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.937669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.937669][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.937669][ T10] netlink_unicast+0x449/0x710 [ 2434.937669][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.937669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.937669][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.937669][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.937669][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.937669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.937669][ T10] [ 2434.939329][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2434.939615][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2434.939615][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.939615][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.939615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.939615][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.939615][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.939615][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.939615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.939615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.939615][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.939615][ T10] netlink_unicast+0x449/0x710 [ 2434.939615][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.939615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.939615][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.939615][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.939615][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.939615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.939615][ T10] [ 2434.941583][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2434.941583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.941583][ T10] ipv6_find_idev+0x102/0x170 [ 2434.941583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.941583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.941583][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.941583][ T10] netlink_unicast+0x449/0x710 [ 2434.941583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.941583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.941583][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.941583][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.941583][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.941583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.941583][ T10] [ 2434.943048][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2434.943048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.943048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.943048][ T10] ipv6_find_idev+0x102/0x170 [ 2434.943048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.943048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.943048][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.943048][ T10] netlink_unicast+0x449/0x710 [ 2434.943048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.943048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.943048][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.943048][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.943048][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.943048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.943048][ T10] [ 2434.944781][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2434.945050][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2434.945050][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.945050][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.945050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.945050][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.945050][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.945050][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.945050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.945050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.945050][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.945050][ T10] netlink_unicast+0x449/0x710 [ 2434.945050][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.945050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.945050][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.945050][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.945050][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.945050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.945050][ T10] [ 2434.947074][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2434.947074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.947074][ T10] ipv6_find_idev+0x102/0x170 [ 2434.947074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.947074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.947074][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.947074][ T10] netlink_unicast+0x449/0x710 [ 2434.947074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.947074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.947074][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.947074][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.947074][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.947074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.947074][ T10] [ 2434.948637][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2434.948637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.948637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.948637][ T10] ipv6_find_idev+0x102/0x170 [ 2434.948637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.948637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.948637][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.948637][ T10] netlink_unicast+0x449/0x710 [ 2434.948637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.948637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.948637][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.948637][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.948637][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.948637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.948637][ T10] [ 2434.950740][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2434.951373][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2434.951373][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.951373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.951373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.951373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.951373][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.951373][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.951373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.951373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.951373][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.951373][ T10] netlink_unicast+0x449/0x710 [ 2434.951373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.951373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.951373][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.951373][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.951373][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.951373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.951373][ T10] [ 2434.953366][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2434.953366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.953366][ T10] ipv6_find_idev+0x102/0x170 [ 2434.953366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.953366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.953366][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.953366][ T10] netlink_unicast+0x449/0x710 [ 2434.953366][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.953366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.953366][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.953366][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.953366][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.953366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.953366][ T10] [ 2434.954906][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2434.954906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.954906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.954906][ T10] ipv6_find_idev+0x102/0x170 [ 2434.954906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.954906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.954906][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.954906][ T10] netlink_unicast+0x449/0x710 [ 2434.954906][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.954906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.954906][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.954906][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.954906][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.954906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.954906][ T10] [ 2434.956613][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2434.956886][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2434.956886][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.956886][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.956886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.956886][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.956886][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.956886][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.956886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.956886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.956886][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.956886][ T10] netlink_unicast+0x449/0x710 [ 2434.956886][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.956886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.956886][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.956886][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.956886][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.956886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.956886][ T10] [ 2434.958869][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2434.958869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.958869][ T10] ipv6_find_idev+0x102/0x170 [ 2434.958869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.958869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.958869][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.958869][ T10] netlink_unicast+0x449/0x710 [ 2434.958869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.958869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.958869][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.958869][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.958869][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.958869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.958869][ T10] [ 2434.960391][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2434.960391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.960391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.960391][ T10] ipv6_find_idev+0x102/0x170 [ 2434.960391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.960391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.960391][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.960391][ T10] netlink_unicast+0x449/0x710 [ 2434.960391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.960391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.960391][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.960391][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.960391][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.960391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.960391][ T10] [ 2434.962131][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2434.962450][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2434.962450][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.962450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.962450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.962450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.962450][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.962450][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.962450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.962450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.962450][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.962450][ T10] netlink_unicast+0x449/0x710 [ 2434.962450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.962450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.962450][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.962450][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.962450][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.962450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.962450][ T10] [ 2434.964438][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2434.964438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.964438][ T10] ipv6_find_idev+0x102/0x170 [ 2434.964438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.964438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.964438][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.964438][ T10] netlink_unicast+0x449/0x710 [ 2434.964438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.964438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.964438][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.964438][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.964438][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.964438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.964438][ T10] [ 2434.966042][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2434.966042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.966042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.966042][ T10] ipv6_find_idev+0x102/0x170 [ 2434.966042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.966042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.966042][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.966042][ T10] netlink_unicast+0x449/0x710 [ 2434.966042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.966042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.966042][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.966042][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.966042][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.966042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.966042][ T10] [ 2434.968002][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2434.968342][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2434.968342][ T10] netdev_get_by_index+0x5e/0x80 [ 2434.968342][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2434.968342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2434.968342][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2434.968342][ T10] ipv6_add_addr+0x411/0x2000 [ 2434.968342][ T10] inet6_addr_add+0x30e/0xa40 [ 2434.968342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2434.968342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.968342][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.968342][ T10] netlink_unicast+0x449/0x710 [ 2434.968342][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.968342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.968342][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.968342][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.968342][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.968342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.968342][ T10] [ 2434.970592][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2434.970592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2434.970592][ T10] ipv6_find_idev+0x102/0x170 [ 2434.970592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.970592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.970592][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.970592][ T10] netlink_unicast+0x449/0x710 [ 2434.970592][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.970592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.970592][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.970592][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.970592][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.970592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.970592][ T10] [ 2434.972355][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2434.972355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2434.972355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2434.972355][ T10] ipv6_find_idev+0x102/0x170 [ 2434.972355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2434.972355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2434.972355][ T10] netlink_rcv_skb+0x130/0x360 [ 2434.972355][ T10] netlink_unicast+0x449/0x710 [ 2434.972355][ T10] netlink_sendmsg+0x723/0xbe0 [ 2434.972355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2434.972355][ T10] ___sys_sendmsg+0xee/0x170 [ 2434.972355][ T10] __sys_sendmsg+0xcd/0x170 [ 2434.972355][ T10] do_syscall_64+0xc6/0x1e0 [ 2434.972355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2434.972355][ T10] [ 2445.056196][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2445.056544][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2445.056544][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.056544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.056544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.056544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.056544][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.056544][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.056544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.056544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.056544][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.056544][ T10] netlink_unicast+0x449/0x710 [ 2445.056544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.056544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.056544][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.056544][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.056544][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.056544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.056544][ T10] [ 2445.058602][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2445.058602][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.058602][ T10] ipv6_find_idev+0x102/0x170 [ 2445.058602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.058602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.058602][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.058602][ T10] netlink_unicast+0x449/0x710 [ 2445.058602][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.058602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.058602][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.058602][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.058602][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.058602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.058602][ T10] [ 2445.060180][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2445.060180][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.060180][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.060180][ T10] ipv6_find_idev+0x102/0x170 [ 2445.060180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.060180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.060180][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.060180][ T10] netlink_unicast+0x449/0x710 [ 2445.060180][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.060180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.060180][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.060180][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.060180][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.060180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.060180][ T10] [ 2445.061921][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2445.062213][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2445.062213][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.062213][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.062213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.062213][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.062213][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.062213][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.062213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.062213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.062213][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.062213][ T10] netlink_unicast+0x449/0x710 [ 2445.062213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.062213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.062213][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.062213][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.062213][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.062213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.062213][ T10] [ 2445.064247][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2445.064247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.064247][ T10] ipv6_find_idev+0x102/0x170 [ 2445.064247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.064247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.064247][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.064247][ T10] netlink_unicast+0x449/0x710 [ 2445.064247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.064247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.064247][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.064247][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.064247][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.064247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.064247][ T10] [ 2445.065835][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2445.065835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.065835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.065835][ T10] ipv6_find_idev+0x102/0x170 [ 2445.065835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.065835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.065835][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.065835][ T10] netlink_unicast+0x449/0x710 [ 2445.065835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.065835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.065835][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.065835][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.065835][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.065835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.065835][ T10] [ 2445.067537][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2445.067809][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2445.067809][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.067809][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.067809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.067809][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.067809][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.067809][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.067809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.067809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.067809][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.067809][ T10] netlink_unicast+0x449/0x710 [ 2445.067809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.067809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.067809][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.067809][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.067809][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.067809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.067809][ T10] [ 2445.069856][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2445.069856][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.069856][ T10] ipv6_find_idev+0x102/0x170 [ 2445.069856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.069856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.069856][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.069856][ T10] netlink_unicast+0x449/0x710 [ 2445.069856][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.069856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.069856][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.069856][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.069856][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.069856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.069856][ T10] [ 2445.071397][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2445.071397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.071397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.071397][ T10] ipv6_find_idev+0x102/0x170 [ 2445.071397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.071397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.071397][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.071397][ T10] netlink_unicast+0x449/0x710 [ 2445.071397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.071397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.071397][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.071397][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.071397][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.071397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.071397][ T10] [ 2445.073508][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2445.073835][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2445.073835][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.073835][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.073835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.073835][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.073835][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.073835][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.073835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.073835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.073835][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.073835][ T10] netlink_unicast+0x449/0x710 [ 2445.073835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.073835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.073835][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.073835][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.073835][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.073835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.073835][ T10] [ 2445.075894][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2445.075894][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.075894][ T10] ipv6_find_idev+0x102/0x170 [ 2445.075894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.075894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.075894][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.075894][ T10] netlink_unicast+0x449/0x710 [ 2445.075894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.075894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.075894][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.075894][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.075894][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.075894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.075894][ T10] [ 2445.077466][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2445.077466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.077466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.077466][ T10] ipv6_find_idev+0x102/0x170 [ 2445.077466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.077466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.077466][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.077466][ T10] netlink_unicast+0x449/0x710 [ 2445.077466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.077466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.077466][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.077466][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.077466][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.077466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.077466][ T10] [ 2445.079212][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2445.079590][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2445.079590][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.079590][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.079590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.079590][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.079590][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.079590][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.079590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.079590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.079590][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.079590][ T10] netlink_unicast+0x449/0x710 [ 2445.079590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.079590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.079590][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.079590][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.079590][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.079590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.079590][ T10] [ 2445.081659][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2445.081659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.081659][ T10] ipv6_find_idev+0x102/0x170 [ 2445.081659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.081659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.081659][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.081659][ T10] netlink_unicast+0x449/0x710 [ 2445.081659][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.081659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.081659][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.081659][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.081659][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.081659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.081659][ T10] [ 2445.083368][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2445.083368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.083368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.083368][ T10] ipv6_find_idev+0x102/0x170 [ 2445.083368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.083368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.083368][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.083368][ T10] netlink_unicast+0x449/0x710 [ 2445.083368][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.083368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.083368][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.083368][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.083368][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.083368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.083368][ T10] [ 2445.085111][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2445.085427][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2445.085427][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.085427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.085427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.085427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.085427][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.085427][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.085427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.085427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.085427][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.085427][ T10] netlink_unicast+0x449/0x710 [ 2445.085427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.085427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.085427][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.085427][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.085427][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.085427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.085427][ T10] [ 2445.087628][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2445.087628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.087628][ T10] ipv6_find_idev+0x102/0x170 [ 2445.087628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.087628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.087628][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.087628][ T10] netlink_unicast+0x449/0x710 [ 2445.087628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.087628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.087628][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.087628][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.087628][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.087628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.087628][ T10] [ 2445.089182][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2445.089182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.089182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.089182][ T10] ipv6_find_idev+0x102/0x170 [ 2445.089182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.089182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.089182][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.089182][ T10] netlink_unicast+0x449/0x710 [ 2445.089182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.089182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.089182][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.089182][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.089182][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.089182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.089182][ T10] [ 2445.090998][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2445.091331][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2445.091331][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.091331][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.091331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.091331][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.091331][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.091331][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.091331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.091331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.091331][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.091331][ T10] netlink_unicast+0x449/0x710 [ 2445.091331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.091331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.091331][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.091331][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.091331][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.091331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.091331][ T10] [ 2445.093570][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2445.093570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.093570][ T10] ipv6_find_idev+0x102/0x170 [ 2445.093570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.093570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.093570][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.093570][ T10] netlink_unicast+0x449/0x710 [ 2445.093570][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.093570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.093570][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.093570][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.093570][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.093570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.093570][ T10] [ 2445.095339][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2445.095339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.095339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.095339][ T10] ipv6_find_idev+0x102/0x170 [ 2445.095339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.095339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.095339][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.095339][ T10] netlink_unicast+0x449/0x710 [ 2445.095339][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.095339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.095339][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.095339][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.095339][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.095339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.095339][ T10] [ 2445.097336][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2445.097657][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2445.097657][ T10] netdev_get_by_index+0x5e/0x80 [ 2445.097657][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2445.097657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2445.097657][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2445.097657][ T10] ipv6_add_addr+0x411/0x2000 [ 2445.097657][ T10] inet6_addr_add+0x30e/0xa40 [ 2445.097657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2445.097657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.097657][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.097657][ T10] netlink_unicast+0x449/0x710 [ 2445.097657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.097657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.097657][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.097657][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.097657][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.097657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.097657][ T10] [ 2445.099737][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2445.099737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2445.099737][ T10] ipv6_find_idev+0x102/0x170 [ 2445.099737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.099737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.099737][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.099737][ T10] netlink_unicast+0x449/0x710 [ 2445.099737][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.099737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.099737][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.099737][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.099737][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.099737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.099737][ T10] [ 2445.101300][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2445.101300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2445.101300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2445.101300][ T10] ipv6_find_idev+0x102/0x170 [ 2445.101300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2445.101300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2445.101300][ T10] netlink_rcv_skb+0x130/0x360 [ 2445.101300][ T10] netlink_unicast+0x449/0x710 [ 2445.101300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2445.101300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2445.101300][ T10] ___sys_sendmsg+0xee/0x170 [ 2445.101300][ T10] __sys_sendmsg+0xcd/0x170 [ 2445.101300][ T10] do_syscall_64+0xc6/0x1e0 [ 2445.101300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2445.101300][ T10] [ 2455.184327][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2455.185391][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2455.185391][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.185391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.185391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.185391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.185391][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.185391][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.185391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.185391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.185391][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.185391][ T10] netlink_unicast+0x449/0x710 [ 2455.185391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.185391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.185391][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.185391][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.185391][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.185391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.185391][ T10] [ 2455.187477][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2455.187477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.187477][ T10] ipv6_find_idev+0x102/0x170 [ 2455.187477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.187477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.187477][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.187477][ T10] netlink_unicast+0x449/0x710 [ 2455.187477][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.187477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.187477][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.187477][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.187477][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.187477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.187477][ T10] [ 2455.188957][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2455.188957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.188957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.188957][ T10] ipv6_find_idev+0x102/0x170 [ 2455.188957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.188957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.188957][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.188957][ T10] netlink_unicast+0x449/0x710 [ 2455.188957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.188957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.188957][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.188957][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.188957][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.188957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.188957][ T10] [ 2455.190581][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2455.190879][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2455.190879][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.190879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.190879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.190879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.190879][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.190879][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.190879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.190879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.190879][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.190879][ T10] netlink_unicast+0x449/0x710 [ 2455.190879][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.190879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.190879][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.190879][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.190879][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.190879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.190879][ T10] [ 2455.192818][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2455.192818][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.192818][ T10] ipv6_find_idev+0x102/0x170 [ 2455.192818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.192818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.192818][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.192818][ T10] netlink_unicast+0x449/0x710 [ 2455.192818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.192818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.192818][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.192818][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.192818][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.192818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.192818][ T10] [ 2455.194356][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2455.194356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.194356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.194356][ T10] ipv6_find_idev+0x102/0x170 [ 2455.194356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.194356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.194356][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.194356][ T10] netlink_unicast+0x449/0x710 [ 2455.194356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.194356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.194356][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.194356][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.194356][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.194356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.194356][ T10] [ 2455.195932][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2455.196262][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2455.196262][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.196262][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.196262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.196262][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.196262][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.196262][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.196262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.196262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.196262][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.196262][ T10] netlink_unicast+0x449/0x710 [ 2455.196262][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.196262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.196262][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.196262][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.196262][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.196262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.196262][ T10] [ 2455.198194][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2455.198194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.198194][ T10] ipv6_find_idev+0x102/0x170 [ 2455.198194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.198194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.198194][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.198194][ T10] netlink_unicast+0x449/0x710 [ 2455.198194][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.198194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.198194][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.198194][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.198194][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.198194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.198194][ T10] [ 2455.199655][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2455.199655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.199655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.199655][ T10] ipv6_find_idev+0x102/0x170 [ 2455.199655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.199655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.199655][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.199655][ T10] netlink_unicast+0x449/0x710 [ 2455.199655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.199655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.199655][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.199655][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.199655][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.199655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.199655][ T10] [ 2455.201312][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2455.201615][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2455.201615][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.201615][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.201615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.201615][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.201615][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.201615][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.201615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.201615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.201615][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.201615][ T10] netlink_unicast+0x449/0x710 [ 2455.201615][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.201615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.201615][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.201615][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.201615][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.201615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.201615][ T10] [ 2455.203701][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2455.203701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.203701][ T10] ipv6_find_idev+0x102/0x170 [ 2455.203701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.203701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.203701][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.203701][ T10] netlink_unicast+0x449/0x710 [ 2455.203701][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.203701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.203701][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.203701][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.203701][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.203701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.203701][ T10] [ 2455.205258][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2455.205258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.205258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.205258][ T10] ipv6_find_idev+0x102/0x170 [ 2455.205258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.205258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.205258][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.205258][ T10] netlink_unicast+0x449/0x710 [ 2455.205258][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.205258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.205258][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.205258][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.205258][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.205258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.205258][ T10] [ 2455.206949][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2455.207698][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2455.207698][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.207698][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.207698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.207698][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.207698][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.207698][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.207698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.207698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.207698][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.207698][ T10] netlink_unicast+0x449/0x710 [ 2455.207698][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.207698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.207698][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.207698][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.207698][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.207698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.207698][ T10] [ 2455.209737][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2455.209737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.209737][ T10] ipv6_find_idev+0x102/0x170 [ 2455.209737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.209737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.209737][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.209737][ T10] netlink_unicast+0x449/0x710 [ 2455.209737][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.209737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.209737][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.209737][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.209737][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.209737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.209737][ T10] [ 2455.211292][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2455.211292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.211292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.211292][ T10] ipv6_find_idev+0x102/0x170 [ 2455.211292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.211292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.211292][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.211292][ T10] netlink_unicast+0x449/0x710 [ 2455.211292][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.211292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.211292][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.211292][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.211292][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.211292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.211292][ T10] [ 2455.213120][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2455.213443][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2455.213443][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.213443][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.213443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.213443][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.213443][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.213443][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.213443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.213443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.213443][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.213443][ T10] netlink_unicast+0x449/0x710 [ 2455.213443][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.213443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.213443][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.213443][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.213443][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.213443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.213443][ T10] [ 2455.215520][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2455.215520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.215520][ T10] ipv6_find_idev+0x102/0x170 [ 2455.215520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.215520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.215520][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.215520][ T10] netlink_unicast+0x449/0x710 [ 2455.215520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.215520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.215520][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.215520][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.215520][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.215520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.215520][ T10] [ 2455.217212][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2455.217212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.217212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.217212][ T10] ipv6_find_idev+0x102/0x170 [ 2455.217212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.217212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.217212][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.217212][ T10] netlink_unicast+0x449/0x710 [ 2455.217212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.217212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.217212][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.217212][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.217212][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.217212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.217212][ T10] [ 2455.219169][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2455.219494][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2455.219494][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.219494][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.219494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.219494][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.219494][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.219494][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.219494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.219494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.219494][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.219494][ T10] netlink_unicast+0x449/0x710 [ 2455.219494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.219494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.219494][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.219494][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.219494][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.219494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.219494][ T10] [ 2455.221667][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2455.221667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.221667][ T10] ipv6_find_idev+0x102/0x170 [ 2455.221667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.221667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.221667][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.221667][ T10] netlink_unicast+0x449/0x710 [ 2455.221667][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.221667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.221667][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.221667][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.221667][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.221667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.221667][ T10] [ 2455.223509][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2455.223509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.223509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.223509][ T10] ipv6_find_idev+0x102/0x170 [ 2455.223509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.223509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.223509][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.223509][ T10] netlink_unicast+0x449/0x710 [ 2455.223509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.223509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.223509][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.223509][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.223509][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.223509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.223509][ T10] [ 2455.225430][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2455.225756][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2455.225756][ T10] netdev_get_by_index+0x5e/0x80 [ 2455.225756][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2455.225756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2455.225756][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2455.225756][ T10] ipv6_add_addr+0x411/0x2000 [ 2455.225756][ T10] inet6_addr_add+0x30e/0xa40 [ 2455.225756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2455.225756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.225756][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.225756][ T10] netlink_unicast+0x449/0x710 [ 2455.225756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.225756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.225756][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.225756][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.225756][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.225756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.225756][ T10] [ 2455.227939][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2455.227939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2455.227939][ T10] ipv6_find_idev+0x102/0x170 [ 2455.227939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.227939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.227939][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.227939][ T10] netlink_unicast+0x449/0x710 [ 2455.227939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.227939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.227939][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.227939][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.227939][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.227939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.227939][ T10] [ 2455.229628][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2455.229628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2455.229628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2455.229628][ T10] ipv6_find_idev+0x102/0x170 [ 2455.229628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2455.229628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2455.229628][ T10] netlink_rcv_skb+0x130/0x360 [ 2455.229628][ T10] netlink_unicast+0x449/0x710 [ 2455.229628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2455.229628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2455.229628][ T10] ___sys_sendmsg+0xee/0x170 [ 2455.229628][ T10] __sys_sendmsg+0xcd/0x170 [ 2455.229628][ T10] do_syscall_64+0xc6/0x1e0 [ 2455.229628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2455.229628][ T10] [ 2465.321120][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2465.321525][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2465.321525][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.321525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.321525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.321525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.321525][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.321525][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.321525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.321525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.321525][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.321525][ T10] netlink_unicast+0x449/0x710 [ 2465.321525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.321525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.321525][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.321525][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.321525][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.321525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.321525][ T10] [ 2465.324113][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2465.324113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.324113][ T10] ipv6_find_idev+0x102/0x170 [ 2465.324113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.324113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.324113][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.324113][ T10] netlink_unicast+0x449/0x710 [ 2465.324113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.324113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.324113][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.324113][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.324113][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.324113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.324113][ T10] [ 2465.326127][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2465.326127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.326127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.326127][ T10] ipv6_find_idev+0x102/0x170 [ 2465.326127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.326127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.326127][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.326127][ T10] netlink_unicast+0x449/0x710 [ 2465.326127][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.326127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.326127][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.326127][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.326127][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.326127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.326127][ T10] [ 2465.328325][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2465.328662][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2465.328662][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.328662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.328662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.328662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.328662][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.328662][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.328662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.328662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.328662][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.328662][ T10] netlink_unicast+0x449/0x710 [ 2465.328662][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.328662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.328662][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.328662][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.328662][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.328662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.328662][ T10] [ 2465.331180][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2465.331180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.331180][ T10] ipv6_find_idev+0x102/0x170 [ 2465.331180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.331180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.331180][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.331180][ T10] netlink_unicast+0x449/0x710 [ 2465.331180][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.331180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.331180][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.331180][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.331180][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.331180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.331180][ T10] [ 2465.333094][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2465.333094][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.333094][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.333094][ T10] ipv6_find_idev+0x102/0x170 [ 2465.333094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.333094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.333094][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.333094][ T10] netlink_unicast+0x449/0x710 [ 2465.333094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.333094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.333094][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.333094][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.333094][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.333094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.333094][ T10] [ 2465.335201][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2465.335556][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2465.335556][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.335556][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.335556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.335556][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.335556][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.335556][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.335556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.335556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.335556][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.335556][ T10] netlink_unicast+0x449/0x710 [ 2465.335556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.335556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.335556][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.335556][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.335556][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.335556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.335556][ T10] [ 2465.338123][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2465.338123][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.338123][ T10] ipv6_find_idev+0x102/0x170 [ 2465.338123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.338123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.338123][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.338123][ T10] netlink_unicast+0x449/0x710 [ 2465.338123][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.338123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.338123][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.338123][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.338123][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.338123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.338123][ T10] [ 2465.340090][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2465.340090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.340090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.340090][ T10] ipv6_find_idev+0x102/0x170 [ 2465.340090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.340090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.340090][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.340090][ T10] netlink_unicast+0x449/0x710 [ 2465.340090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.340090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.340090][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.340090][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.340090][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.340090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.340090][ T10] [ 2465.342270][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2465.342674][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2465.342674][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.342674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.342674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.342674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.342674][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.342674][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.342674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.342674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.342674][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.342674][ T10] netlink_unicast+0x449/0x710 [ 2465.342674][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.342674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.342674][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.342674][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.342674][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.342674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.342674][ T10] [ 2465.345379][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2465.345379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.345379][ T10] ipv6_find_idev+0x102/0x170 [ 2465.345379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.345379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.345379][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.345379][ T10] netlink_unicast+0x449/0x710 [ 2465.345379][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.345379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.345379][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.345379][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.345379][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.345379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.345379][ T10] [ 2465.347417][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2465.347417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.347417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.347417][ T10] ipv6_find_idev+0x102/0x170 [ 2465.347417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.347417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.347417][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.347417][ T10] netlink_unicast+0x449/0x710 [ 2465.347417][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.347417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.347417][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.347417][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.347417][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.347417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.347417][ T10] [ 2465.350033][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2465.350437][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2465.350437][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.350437][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.350437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.350437][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.350437][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.350437][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.350437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.350437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.350437][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.350437][ T10] netlink_unicast+0x449/0x710 [ 2465.350437][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.350437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.350437][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.350437][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.350437][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.350437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.350437][ T10] [ 2465.353042][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2465.353042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.353042][ T10] ipv6_find_idev+0x102/0x170 [ 2465.353042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.353042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.353042][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.353042][ T10] netlink_unicast+0x449/0x710 [ 2465.353042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.353042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.353042][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.353042][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.353042][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.353042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.353042][ T10] [ 2465.355208][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2465.355208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.355208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.355208][ T10] ipv6_find_idev+0x102/0x170 [ 2465.355208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.355208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.355208][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.355208][ T10] netlink_unicast+0x449/0x710 [ 2465.355208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.355208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.355208][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.355208][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.355208][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.355208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.355208][ T10] [ 2465.357400][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2465.357770][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2465.357770][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.357770][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.357770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.357770][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.357770][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.357770][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.357770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.357770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.357770][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.357770][ T10] netlink_unicast+0x449/0x710 [ 2465.357770][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.357770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.357770][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.357770][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.357770][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.357770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.357770][ T10] [ 2465.360224][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2465.360224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.360224][ T10] ipv6_find_idev+0x102/0x170 [ 2465.360224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.360224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.360224][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.360224][ T10] netlink_unicast+0x449/0x710 [ 2465.360224][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.360224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.360224][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.360224][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.360224][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.360224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.360224][ T10] [ 2465.362167][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2465.362167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.362167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.362167][ T10] ipv6_find_idev+0x102/0x170 [ 2465.362167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.362167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.362167][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.362167][ T10] netlink_unicast+0x449/0x710 [ 2465.362167][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.362167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.362167][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.362167][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.362167][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.362167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.362167][ T10] [ 2465.364449][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2465.364853][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2465.364853][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.364853][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.364853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.364853][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.364853][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.364853][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.364853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.364853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.364853][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.364853][ T10] netlink_unicast+0x449/0x710 [ 2465.364853][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.364853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.364853][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.364853][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.364853][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.364853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.364853][ T10] [ 2465.367484][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2465.367484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.367484][ T10] ipv6_find_idev+0x102/0x170 [ 2465.367484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.367484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.367484][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.367484][ T10] netlink_unicast+0x449/0x710 [ 2465.367484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.367484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.367484][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.367484][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.367484][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.367484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.367484][ T10] [ 2465.369457][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2465.369457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.369457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.369457][ T10] ipv6_find_idev+0x102/0x170 [ 2465.369457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.369457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.369457][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.369457][ T10] netlink_unicast+0x449/0x710 [ 2465.369457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.369457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.369457][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.369457][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.369457][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.369457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.369457][ T10] [ 2465.371720][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2465.372119][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2465.372119][ T10] netdev_get_by_index+0x5e/0x80 [ 2465.372119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2465.372119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2465.372119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2465.372119][ T10] ipv6_add_addr+0x411/0x2000 [ 2465.372119][ T10] inet6_addr_add+0x30e/0xa40 [ 2465.372119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2465.372119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.372119][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.372119][ T10] netlink_unicast+0x449/0x710 [ 2465.372119][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.372119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.372119][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.372119][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.372119][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.372119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.372119][ T10] [ 2465.374987][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2465.374987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2465.374987][ T10] ipv6_find_idev+0x102/0x170 [ 2465.374987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.374987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.374987][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.374987][ T10] netlink_unicast+0x449/0x710 [ 2465.374987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.374987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.374987][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.374987][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.374987][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.374987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.374987][ T10] [ 2465.377143][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2465.377143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2465.377143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2465.377143][ T10] ipv6_find_idev+0x102/0x170 [ 2465.377143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2465.377143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2465.377143][ T10] netlink_rcv_skb+0x130/0x360 [ 2465.377143][ T10] netlink_unicast+0x449/0x710 [ 2465.377143][ T10] netlink_sendmsg+0x723/0xbe0 [ 2465.377143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2465.377143][ T10] ___sys_sendmsg+0xee/0x170 [ 2465.377143][ T10] __sys_sendmsg+0xcd/0x170 [ 2465.377143][ T10] do_syscall_64+0xc6/0x1e0 [ 2465.377143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2465.377143][ T10] [ 2475.440303][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2475.440893][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2475.440893][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.440893][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.440893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.440893][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.440893][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.440893][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.440893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.440893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.440893][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.440893][ T10] netlink_unicast+0x449/0x710 [ 2475.440893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.440893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.440893][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.440893][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.440893][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.440893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.440893][ T10] [ 2475.443039][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2475.443039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.443039][ T10] ipv6_find_idev+0x102/0x170 [ 2475.443039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.443039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.443039][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.443039][ T10] netlink_unicast+0x449/0x710 [ 2475.443039][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.443039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.443039][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.443039][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.443039][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.443039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.443039][ T10] [ 2475.444646][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2475.444646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.444646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.444646][ T10] ipv6_find_idev+0x102/0x170 [ 2475.444646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.444646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.444646][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.444646][ T10] netlink_unicast+0x449/0x710 [ 2475.444646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.444646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.444646][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.444646][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.444646][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.444646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.444646][ T10] [ 2475.446395][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2475.446676][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2475.446676][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.446676][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.446676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.446676][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.446676][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.446676][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.446676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.446676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.446676][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.446676][ T10] netlink_unicast+0x449/0x710 [ 2475.446676][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.446676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.446676][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.446676][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.446676][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.446676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.446676][ T10] [ 2475.448712][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2475.448712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.448712][ T10] ipv6_find_idev+0x102/0x170 [ 2475.448712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.448712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.448712][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.448712][ T10] netlink_unicast+0x449/0x710 [ 2475.448712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.448712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.448712][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.448712][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.448712][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.448712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.448712][ T10] [ 2475.450303][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2475.450303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.450303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.450303][ T10] ipv6_find_idev+0x102/0x170 [ 2475.450303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.450303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.450303][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.450303][ T10] netlink_unicast+0x449/0x710 [ 2475.450303][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.450303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.450303][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.450303][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.450303][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.450303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.450303][ T10] [ 2475.452114][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2475.452400][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2475.452400][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.452400][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.452400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.452400][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.452400][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.452400][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.452400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.452400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.452400][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.452400][ T10] netlink_unicast+0x449/0x710 [ 2475.452400][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.452400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.452400][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.452400][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.452400][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.452400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.452400][ T10] [ 2475.454589][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2475.454589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.454589][ T10] ipv6_find_idev+0x102/0x170 [ 2475.454589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.454589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.454589][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.454589][ T10] netlink_unicast+0x449/0x710 [ 2475.454589][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.454589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.454589][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.454589][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.454589][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.454589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.454589][ T10] [ 2475.456239][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2475.456239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.456239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.456239][ T10] ipv6_find_idev+0x102/0x170 [ 2475.456239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.456239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.456239][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.456239][ T10] netlink_unicast+0x449/0x710 [ 2475.456239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.456239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.456239][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.456239][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.456239][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.456239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.456239][ T10] [ 2475.458021][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2475.458762][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2475.458762][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.458762][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.458762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.458762][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.458762][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.458762][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.458762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.458762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.458762][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.458762][ T10] netlink_unicast+0x449/0x710 [ 2475.458762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.458762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.458762][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.458762][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.458762][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.458762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.458762][ T10] [ 2475.460893][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2475.460893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.460893][ T10] ipv6_find_idev+0x102/0x170 [ 2475.460893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.460893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.460893][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.460893][ T10] netlink_unicast+0x449/0x710 [ 2475.460893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.460893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.460893][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.460893][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.460893][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.460893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.460893][ T10] [ 2475.462534][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2475.462534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.462534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.462534][ T10] ipv6_find_idev+0x102/0x170 [ 2475.462534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.462534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.462534][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.462534][ T10] netlink_unicast+0x449/0x710 [ 2475.462534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.462534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.462534][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.462534][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.462534][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.462534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.462534][ T10] [ 2475.464359][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2475.464636][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2475.464636][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.464636][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.464636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.464636][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.464636][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.464636][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.464636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.464636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.464636][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.464636][ T10] netlink_unicast+0x449/0x710 [ 2475.464636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.464636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.464636][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.464636][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.464636][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.464636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.464636][ T10] [ 2475.466727][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2475.466727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.466727][ T10] ipv6_find_idev+0x102/0x170 [ 2475.466727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.466727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.466727][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.466727][ T10] netlink_unicast+0x449/0x710 [ 2475.466727][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.466727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.466727][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.466727][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.466727][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.466727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.466727][ T10] [ 2475.468410][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2475.468410][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.468410][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.468410][ T10] ipv6_find_idev+0x102/0x170 [ 2475.468410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.468410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.468410][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.468410][ T10] netlink_unicast+0x449/0x710 [ 2475.468410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.468410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.468410][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.468410][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.468410][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.468410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.468410][ T10] [ 2475.470295][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2475.470566][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2475.470566][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.470566][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.470566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.470566][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.470566][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.470566][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.470566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.470566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.470566][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.470566][ T10] netlink_unicast+0x449/0x710 [ 2475.470566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.470566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.470566][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.470566][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.470566][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.470566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.470566][ T10] [ 2475.472841][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2475.472841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.472841][ T10] ipv6_find_idev+0x102/0x170 [ 2475.472841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.472841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.472841][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.472841][ T10] netlink_unicast+0x449/0x710 [ 2475.472841][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.472841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.472841][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.472841][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.472841][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.472841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.472841][ T10] [ 2475.474693][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2475.474693][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.474693][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.474693][ T10] ipv6_find_idev+0x102/0x170 [ 2475.474693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.474693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.474693][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.474693][ T10] netlink_unicast+0x449/0x710 [ 2475.474693][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.474693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.474693][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.474693][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.474693][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.474693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.474693][ T10] [ 2475.476685][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2475.476962][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2475.476962][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.476962][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.476962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.476962][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.476962][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.476962][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.476962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.476962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.476962][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.476962][ T10] netlink_unicast+0x449/0x710 [ 2475.476962][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.476962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.476962][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.476962][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.476962][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.476962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.476962][ T10] [ 2475.479302][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2475.479302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.479302][ T10] ipv6_find_idev+0x102/0x170 [ 2475.479302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.479302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.479302][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.479302][ T10] netlink_unicast+0x449/0x710 [ 2475.479302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.479302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.479302][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.479302][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.479302][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.479302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.479302][ T10] [ 2475.481097][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2475.481097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.481097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.481097][ T10] ipv6_find_idev+0x102/0x170 [ 2475.481097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.481097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.481097][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.481097][ T10] netlink_unicast+0x449/0x710 [ 2475.481097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.481097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.481097][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.481097][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.481097][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.481097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.481097][ T10] [ 2475.483077][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2475.483413][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2475.483413][ T10] netdev_get_by_index+0x5e/0x80 [ 2475.483413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2475.483413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2475.483413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2475.483413][ T10] ipv6_add_addr+0x411/0x2000 [ 2475.483413][ T10] inet6_addr_add+0x30e/0xa40 [ 2475.483413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2475.483413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.483413][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.483413][ T10] netlink_unicast+0x449/0x710 [ 2475.483413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.483413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.483413][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.483413][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.483413][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.483413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.483413][ T10] [ 2475.485813][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2475.485813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2475.485813][ T10] ipv6_find_idev+0x102/0x170 [ 2475.485813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.485813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.485813][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.485813][ T10] netlink_unicast+0x449/0x710 [ 2475.485813][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.485813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.485813][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.485813][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.485813][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.485813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.485813][ T10] [ 2475.487673][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2475.487673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2475.487673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2475.487673][ T10] ipv6_find_idev+0x102/0x170 [ 2475.487673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2475.487673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2475.487673][ T10] netlink_rcv_skb+0x130/0x360 [ 2475.487673][ T10] netlink_unicast+0x449/0x710 [ 2475.487673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2475.487673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2475.487673][ T10] ___sys_sendmsg+0xee/0x170 [ 2475.487673][ T10] __sys_sendmsg+0xcd/0x170 [ 2475.487673][ T10] do_syscall_64+0xc6/0x1e0 [ 2475.487673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2475.487673][ T10] [ 2485.648210][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2485.648608][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2485.648608][ T10] netdev_get_by_index+0x5e/0x80 [ 2485.648608][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2485.648608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2485.648608][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2485.648608][ T10] ipv6_add_addr+0x411/0x2000 [ 2485.648608][ T10] inet6_addr_add+0x30e/0xa40 [ 2485.648608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.648608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.648608][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.648608][ T10] netlink_unicast+0x449/0x710 [ 2485.648608][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.648608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.648608][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.648608][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.648608][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.648608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.648608][ T10] [ 2485.651111][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2485.651111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2485.651111][ T10] ipv6_find_idev+0x102/0x170 [ 2485.651111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.651111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.651111][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.651111][ T10] netlink_unicast+0x449/0x710 [ 2485.651111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.651111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.651111][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.651111][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.651111][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.651111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.651111][ T10] [ 2485.652984][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2485.652984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2485.652984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2485.652984][ T10] ipv6_find_idev+0x102/0x170 [ 2485.652984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.652984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.652984][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.652984][ T10] netlink_unicast+0x449/0x710 [ 2485.652984][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.652984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.652984][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.652984][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.652984][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.652984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.652984][ T10] [ 2485.655114][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2485.655445][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2485.655445][ T10] netdev_get_by_index+0x5e/0x80 [ 2485.655445][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2485.655445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2485.655445][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2485.655445][ T10] ipv6_add_addr+0x411/0x2000 [ 2485.655445][ T10] inet6_addr_add+0x30e/0xa40 [ 2485.655445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.655445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.655445][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.655445][ T10] netlink_unicast+0x449/0x710 [ 2485.655445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.655445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.655445][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.655445][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.655445][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.655445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.655445][ T10] [ 2485.657974][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2485.657974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2485.657974][ T10] ipv6_find_idev+0x102/0x170 [ 2485.657974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.657974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.657974][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.657974][ T10] netlink_unicast+0x449/0x710 [ 2485.657974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.657974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.657974][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.657974][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.657974][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.657974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.657974][ T10] [ 2485.659882][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2485.659882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2485.659882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2485.659882][ T10] ipv6_find_idev+0x102/0x170 [ 2485.659882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.659882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.659882][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.659882][ T10] netlink_unicast+0x449/0x710 [ 2485.659882][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.659882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.659882][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.659882][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.659882][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.659882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.659882][ T10] [ 2485.662022][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2485.662349][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2485.662349][ T10] netdev_get_by_index+0x5e/0x80 [ 2485.662349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2485.662349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2485.662349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2485.662349][ T10] ipv6_add_addr+0x411/0x2000 [ 2485.662349][ T10] inet6_addr_add+0x30e/0xa40 [ 2485.662349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.662349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.662349][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.662349][ T10] netlink_unicast+0x449/0x710 [ 2485.662349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.662349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.662349][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.662349][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.662349][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.662349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.662349][ T10] [ 2485.664912][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2485.664912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2485.664912][ T10] ipv6_find_idev+0x102/0x170 [ 2485.664912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.664912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.664912][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.664912][ T10] netlink_unicast+0x449/0x710 [ 2485.664912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.664912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.664912][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.664912][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.664912][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.664912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.664912][ T10] [ 2485.666926][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2485.666926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2485.666926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2485.666926][ T10] ipv6_find_idev+0x102/0x170 [ 2485.666926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.666926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.666926][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.666926][ T10] netlink_unicast+0x449/0x710 [ 2485.666926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.666926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.666926][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.666926][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.666926][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.666926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.666926][ T10] [ 2485.669311][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2485.669641][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2485.669641][ T10] netdev_get_by_index+0x5e/0x80 [ 2485.669641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2485.669641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2485.669641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2485.669641][ T10] ipv6_add_addr+0x411/0x2000 [ 2485.669641][ T10] inet6_addr_add+0x30e/0xa40 [ 2485.669641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.669641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.669641][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.669641][ T10] netlink_unicast+0x449/0x710 [ 2485.669641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.669641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.669641][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.669641][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.669641][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.669641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.669641][ T10] [ 2485.672165][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2485.672165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2485.672165][ T10] ipv6_find_idev+0x102/0x170 [ 2485.672165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.672165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.672165][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.672165][ T10] netlink_unicast+0x449/0x710 [ 2485.672165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.672165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.672165][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.672165][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.672165][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.672165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.672165][ T10] [ 2485.674143][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2485.674143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2485.674143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2485.674143][ T10] ipv6_find_idev+0x102/0x170 [ 2485.674143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.674143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.674143][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.674143][ T10] netlink_unicast+0x449/0x710 [ 2485.674143][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.674143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.674143][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.674143][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.674143][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.674143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.674143][ T10] [ 2485.676701][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2485.677023][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2485.677023][ T10] netdev_get_by_index+0x5e/0x80 [ 2485.677023][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2485.677023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2485.677023][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2485.677023][ T10] ipv6_add_addr+0x411/0x2000 [ 2485.677023][ T10] inet6_addr_add+0x30e/0xa40 [ 2485.677023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.677023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.677023][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.677023][ T10] netlink_unicast+0x449/0x710 [ 2485.677023][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.677023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.677023][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.677023][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.677023][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.677023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.677023][ T10] [ 2485.679711][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2485.679711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2485.679711][ T10] ipv6_find_idev+0x102/0x170 [ 2485.679711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.679711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.679711][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.679711][ T10] netlink_unicast+0x449/0x710 [ 2485.679711][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.679711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.679711][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.679711][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.679711][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.679711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.679711][ T10] [ 2485.681836][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2485.681836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2485.681836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2485.681836][ T10] ipv6_find_idev+0x102/0x170 [ 2485.681836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.681836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.681836][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.681836][ T10] netlink_unicast+0x449/0x710 [ 2485.681836][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.681836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.681836][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.681836][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.681836][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.681836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.681836][ T10] [ 2485.684005][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2485.684432][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2485.684432][ T10] netdev_get_by_index+0x5e/0x80 [ 2485.684432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2485.684432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2485.684432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2485.684432][ T10] ipv6_add_addr+0x411/0x2000 [ 2485.684432][ T10] inet6_addr_add+0x30e/0xa40 [ 2485.684432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.684432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.684432][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.684432][ T10] netlink_unicast+0x449/0x710 [ 2485.684432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.684432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.684432][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.684432][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.684432][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.684432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.684432][ T10] [ 2485.686990][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2485.686990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2485.686990][ T10] ipv6_find_idev+0x102/0x170 [ 2485.686990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.686990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.686990][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.686990][ T10] netlink_unicast+0x449/0x710 [ 2485.686990][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.686990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.686990][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.686990][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.686990][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.686990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.686990][ T10] [ 2485.688890][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2485.688890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2485.688890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2485.688890][ T10] ipv6_find_idev+0x102/0x170 [ 2485.688890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.688890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.688890][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.688890][ T10] netlink_unicast+0x449/0x710 [ 2485.688890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.688890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.688890][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.688890][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.688890][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.688890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.688890][ T10] [ 2485.691000][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2485.691349][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2485.691349][ T10] netdev_get_by_index+0x5e/0x80 [ 2485.691349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2485.691349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2485.691349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2485.691349][ T10] ipv6_add_addr+0x411/0x2000 [ 2485.691349][ T10] inet6_addr_add+0x30e/0xa40 [ 2485.691349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.691349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.691349][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.691349][ T10] netlink_unicast+0x449/0x710 [ 2485.691349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.691349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.691349][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.691349][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.691349][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.691349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.691349][ T10] [ 2485.693629][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2485.693629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2485.693629][ T10] ipv6_find_idev+0x102/0x170 [ 2485.693629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.693629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.693629][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.693629][ T10] netlink_unicast+0x449/0x710 [ 2485.693629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.693629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.693629][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.693629][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.693629][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.693629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.693629][ T10] [ 2485.695490][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2485.695490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2485.695490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2485.695490][ T10] ipv6_find_idev+0x102/0x170 [ 2485.695490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.695490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.695490][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.695490][ T10] netlink_unicast+0x449/0x710 [ 2485.695490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.695490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.695490][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.695490][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.695490][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.695490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.695490][ T10] [ 2485.697632][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2485.697925][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2485.697925][ T10] netdev_get_by_index+0x5e/0x80 [ 2485.697925][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2485.697925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2485.697925][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2485.697925][ T10] ipv6_add_addr+0x411/0x2000 [ 2485.697925][ T10] inet6_addr_add+0x30e/0xa40 [ 2485.697925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.697925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.697925][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.697925][ T10] netlink_unicast+0x449/0x710 [ 2485.697925][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.697925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.697925][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.697925][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.697925][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.697925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.697925][ T10] [ 2485.700434][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2485.700434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2485.700434][ T10] ipv6_find_idev+0x102/0x170 [ 2485.700434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.700434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.700434][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.700434][ T10] netlink_unicast+0x449/0x710 [ 2485.700434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.700434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.700434][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.700434][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.700434][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.700434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.700434][ T10] [ 2485.702426][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2485.702426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2485.702426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2485.702426][ T10] ipv6_find_idev+0x102/0x170 [ 2485.702426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.702426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.702426][ T10] netlink_rcv_skb+0x130/0x360 [ 2485.702426][ T10] netlink_unicast+0x449/0x710 [ 2485.702426][ T10] netlink_sendmsg+0x723/0xbe0 [ 2485.702426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2485.702426][ T10] ___sys_sendmsg+0xee/0x170 [ 2485.702426][ T10] __sys_sendmsg+0xcd/0x170 [ 2485.702426][ T10] do_syscall_64+0xc6/0x1e0 [ 2485.702426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.702426][ T10] [ 2495.816124][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2495.816477][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2495.816477][ T10] netdev_get_by_index+0x5e/0x80 [ 2495.816477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2495.816477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2495.816477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2495.816477][ T10] ipv6_add_addr+0x411/0x2000 [ 2495.816477][ T10] inet6_addr_add+0x30e/0xa40 [ 2495.816477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.816477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.816477][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.816477][ T10] netlink_unicast+0x449/0x710 [ 2495.816477][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.816477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.816477][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.816477][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.816477][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.816477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.816477][ T10] [ 2495.818626][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2495.818626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2495.818626][ T10] ipv6_find_idev+0x102/0x170 [ 2495.818626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.818626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.818626][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.818626][ T10] netlink_unicast+0x449/0x710 [ 2495.818626][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.818626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.818626][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.818626][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.818626][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.818626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.818626][ T10] [ 2495.820309][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2495.820309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2495.820309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2495.820309][ T10] ipv6_find_idev+0x102/0x170 [ 2495.820309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.820309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.820309][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.820309][ T10] netlink_unicast+0x449/0x710 [ 2495.820309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.820309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.820309][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.820309][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.820309][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.820309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.820309][ T10] [ 2495.822242][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2495.822563][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2495.822563][ T10] netdev_get_by_index+0x5e/0x80 [ 2495.822563][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2495.822563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2495.822563][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2495.822563][ T10] ipv6_add_addr+0x411/0x2000 [ 2495.822563][ T10] inet6_addr_add+0x30e/0xa40 [ 2495.822563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.822563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.822563][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.822563][ T10] netlink_unicast+0x449/0x710 [ 2495.822563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.822563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.822563][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.822563][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.822563][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.822563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.822563][ T10] [ 2495.824859][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2495.824859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2495.824859][ T10] ipv6_find_idev+0x102/0x170 [ 2495.824859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.824859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.824859][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.824859][ T10] netlink_unicast+0x449/0x710 [ 2495.824859][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.824859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.824859][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.824859][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.824859][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.824859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.824859][ T10] [ 2495.826709][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2495.826709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2495.826709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2495.826709][ T10] ipv6_find_idev+0x102/0x170 [ 2495.826709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.826709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.826709][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.826709][ T10] netlink_unicast+0x449/0x710 [ 2495.826709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.826709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.826709][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.826709][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.826709][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.826709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.826709][ T10] [ 2495.828695][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2495.828999][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2495.828999][ T10] netdev_get_by_index+0x5e/0x80 [ 2495.828999][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2495.828999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2495.828999][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2495.828999][ T10] ipv6_add_addr+0x411/0x2000 [ 2495.828999][ T10] inet6_addr_add+0x30e/0xa40 [ 2495.828999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.828999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.828999][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.828999][ T10] netlink_unicast+0x449/0x710 [ 2495.828999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.828999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.828999][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.828999][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.828999][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.828999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.828999][ T10] [ 2495.831218][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2495.831218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2495.831218][ T10] ipv6_find_idev+0x102/0x170 [ 2495.831218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.831218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.831218][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.831218][ T10] netlink_unicast+0x449/0x710 [ 2495.831218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.831218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.831218][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.831218][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.831218][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.831218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.831218][ T10] [ 2495.832836][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2495.832836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2495.832836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2495.832836][ T10] ipv6_find_idev+0x102/0x170 [ 2495.832836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.832836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.832836][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.832836][ T10] netlink_unicast+0x449/0x710 [ 2495.832836][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.832836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.832836][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.832836][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.832836][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.832836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.832836][ T10] [ 2495.834908][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2495.835209][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2495.835209][ T10] netdev_get_by_index+0x5e/0x80 [ 2495.835209][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2495.835209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2495.835209][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2495.835209][ T10] ipv6_add_addr+0x411/0x2000 [ 2495.835209][ T10] inet6_addr_add+0x30e/0xa40 [ 2495.835209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.835209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.835209][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.835209][ T10] netlink_unicast+0x449/0x710 [ 2495.835209][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.835209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.835209][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.835209][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.835209][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.835209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.835209][ T10] [ 2495.837446][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2495.837446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2495.837446][ T10] ipv6_find_idev+0x102/0x170 [ 2495.837446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.837446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.837446][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.837446][ T10] netlink_unicast+0x449/0x710 [ 2495.837446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.837446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.837446][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.837446][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.837446][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.837446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.837446][ T10] [ 2495.839298][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2495.839298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2495.839298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2495.839298][ T10] ipv6_find_idev+0x102/0x170 [ 2495.839298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.839298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.839298][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.839298][ T10] netlink_unicast+0x449/0x710 [ 2495.839298][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.839298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.839298][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.839298][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.839298][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.839298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.839298][ T10] [ 2495.841295][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2495.841579][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2495.841579][ T10] netdev_get_by_index+0x5e/0x80 [ 2495.841579][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2495.841579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2495.841579][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2495.841579][ T10] ipv6_add_addr+0x411/0x2000 [ 2495.841579][ T10] inet6_addr_add+0x30e/0xa40 [ 2495.841579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.841579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.841579][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.841579][ T10] netlink_unicast+0x449/0x710 [ 2495.841579][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.841579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.841579][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.841579][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.841579][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.841579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.841579][ T10] [ 2495.843817][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2495.843817][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2495.843817][ T10] ipv6_find_idev+0x102/0x170 [ 2495.843817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.843817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.843817][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.843817][ T10] netlink_unicast+0x449/0x710 [ 2495.843817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.843817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.843817][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.843817][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.843817][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.843817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.843817][ T10] [ 2495.845650][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2495.845650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2495.845650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2495.845650][ T10] ipv6_find_idev+0x102/0x170 [ 2495.845650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.845650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.845650][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.845650][ T10] netlink_unicast+0x449/0x710 [ 2495.845650][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.845650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.845650][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.845650][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.845650][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.845650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.845650][ T10] [ 2495.848066][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2495.848825][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2495.848825][ T10] netdev_get_by_index+0x5e/0x80 [ 2495.848825][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2495.848825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2495.848825][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2495.848825][ T10] ipv6_add_addr+0x411/0x2000 [ 2495.848825][ T10] inet6_addr_add+0x30e/0xa40 [ 2495.848825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.848825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.848825][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.848825][ T10] netlink_unicast+0x449/0x710 [ 2495.848825][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.848825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.848825][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.848825][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.848825][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.848825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.848825][ T10] [ 2495.850971][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2495.850971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2495.850971][ T10] ipv6_find_idev+0x102/0x170 [ 2495.850971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.850971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.850971][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.850971][ T10] netlink_unicast+0x449/0x710 [ 2495.850971][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.850971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.850971][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.850971][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.850971][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.850971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.850971][ T10] [ 2495.852631][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2495.852631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2495.852631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2495.852631][ T10] ipv6_find_idev+0x102/0x170 [ 2495.852631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.852631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.852631][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.852631][ T10] netlink_unicast+0x449/0x710 [ 2495.852631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.852631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.852631][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.852631][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.852631][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.852631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.852631][ T10] [ 2495.854509][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2495.854796][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2495.854796][ T10] netdev_get_by_index+0x5e/0x80 [ 2495.854796][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2495.854796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2495.854796][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2495.854796][ T10] ipv6_add_addr+0x411/0x2000 [ 2495.854796][ T10] inet6_addr_add+0x30e/0xa40 [ 2495.854796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.854796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.854796][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.854796][ T10] netlink_unicast+0x449/0x710 [ 2495.854796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.854796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.854796][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.854796][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.854796][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.854796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.854796][ T10] [ 2495.856944][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2495.856944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2495.856944][ T10] ipv6_find_idev+0x102/0x170 [ 2495.856944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.856944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.856944][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.856944][ T10] netlink_unicast+0x449/0x710 [ 2495.856944][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.856944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.856944][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.856944][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.856944][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.856944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.856944][ T10] [ 2495.858722][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2495.858722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2495.858722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2495.858722][ T10] ipv6_find_idev+0x102/0x170 [ 2495.858722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.858722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.858722][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.858722][ T10] netlink_unicast+0x449/0x710 [ 2495.858722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.858722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.858722][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.858722][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.858722][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.858722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.858722][ T10] [ 2495.860776][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2495.861126][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2495.861126][ T10] netdev_get_by_index+0x5e/0x80 [ 2495.861126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2495.861126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2495.861126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2495.861126][ T10] ipv6_add_addr+0x411/0x2000 [ 2495.861126][ T10] inet6_addr_add+0x30e/0xa40 [ 2495.861126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.861126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.861126][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.861126][ T10] netlink_unicast+0x449/0x710 [ 2495.861126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.861126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.861126][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.861126][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.861126][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.861126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.861126][ T10] [ 2495.863461][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2495.863461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2495.863461][ T10] ipv6_find_idev+0x102/0x170 [ 2495.863461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.863461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.863461][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.863461][ T10] netlink_unicast+0x449/0x710 [ 2495.863461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.863461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.863461][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.863461][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.863461][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.863461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.863461][ T10] [ 2495.865243][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2495.865243][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2495.865243][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2495.865243][ T10] ipv6_find_idev+0x102/0x170 [ 2495.865243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.865243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.865243][ T10] netlink_rcv_skb+0x130/0x360 [ 2495.865243][ T10] netlink_unicast+0x449/0x710 [ 2495.865243][ T10] netlink_sendmsg+0x723/0xbe0 [ 2495.865243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2495.865243][ T10] ___sys_sendmsg+0xee/0x170 [ 2495.865243][ T10] __sys_sendmsg+0xcd/0x170 [ 2495.865243][ T10] do_syscall_64+0xc6/0x1e0 [ 2495.865243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.865243][ T10] [ 2505.994311][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2505.994682][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2505.994682][ T10] netdev_get_by_index+0x5e/0x80 [ 2505.994682][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2505.994682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2505.994682][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2505.994682][ T10] ipv6_add_addr+0x411/0x2000 [ 2505.994682][ T10] inet6_addr_add+0x30e/0xa40 [ 2505.994682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2505.994682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2505.994682][ T10] netlink_rcv_skb+0x130/0x360 [ 2505.994682][ T10] netlink_unicast+0x449/0x710 [ 2505.994682][ T10] netlink_sendmsg+0x723/0xbe0 [ 2505.994682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2505.994682][ T10] ___sys_sendmsg+0xee/0x170 [ 2505.994682][ T10] __sys_sendmsg+0xcd/0x170 [ 2505.994682][ T10] do_syscall_64+0xc6/0x1e0 [ 2505.994682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2505.994682][ T10] [ 2505.997175][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2505.997175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2505.997175][ T10] ipv6_find_idev+0x102/0x170 [ 2505.997175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2505.997175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2505.997175][ T10] netlink_rcv_skb+0x130/0x360 [ 2505.997175][ T10] netlink_unicast+0x449/0x710 [ 2505.997175][ T10] netlink_sendmsg+0x723/0xbe0 [ 2505.997175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2505.997175][ T10] ___sys_sendmsg+0xee/0x170 [ 2505.997175][ T10] __sys_sendmsg+0xcd/0x170 [ 2505.997175][ T10] do_syscall_64+0xc6/0x1e0 [ 2505.997175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2505.997175][ T10] [ 2505.999109][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2505.999109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2505.999109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2505.999109][ T10] ipv6_find_idev+0x102/0x170 [ 2505.999109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2505.999109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2505.999109][ T10] netlink_rcv_skb+0x130/0x360 [ 2505.999109][ T10] netlink_unicast+0x449/0x710 [ 2505.999109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2505.999109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2505.999109][ T10] ___sys_sendmsg+0xee/0x170 [ 2505.999109][ T10] __sys_sendmsg+0xcd/0x170 [ 2505.999109][ T10] do_syscall_64+0xc6/0x1e0 [ 2505.999109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2505.999109][ T10] [ 2506.001214][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2506.001550][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2506.001550][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.001550][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.001550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.001550][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.001550][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.001550][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.001550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.001550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.001550][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.001550][ T10] netlink_unicast+0x449/0x710 [ 2506.001550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.001550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.001550][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.001550][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.001550][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.001550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.001550][ T10] [ 2506.003984][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2506.003984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.003984][ T10] ipv6_find_idev+0x102/0x170 [ 2506.003984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.003984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.003984][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.003984][ T10] netlink_unicast+0x449/0x710 [ 2506.003984][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.003984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.003984][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.003984][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.003984][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.003984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.003984][ T10] [ 2506.005881][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2506.005881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.005881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.005881][ T10] ipv6_find_idev+0x102/0x170 [ 2506.005881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.005881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.005881][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.005881][ T10] netlink_unicast+0x449/0x710 [ 2506.005881][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.005881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.005881][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.005881][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.005881][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.005881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.005881][ T10] [ 2506.007860][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2506.008309][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2506.008309][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.008309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.008309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.008309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.008309][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.008309][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.008309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.008309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.008309][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.008309][ T10] netlink_unicast+0x449/0x710 [ 2506.008309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.008309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.008309][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.008309][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.008309][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.008309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.008309][ T10] [ 2506.010713][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2506.010713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.010713][ T10] ipv6_find_idev+0x102/0x170 [ 2506.010713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.010713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.010713][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.010713][ T10] netlink_unicast+0x449/0x710 [ 2506.010713][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.010713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.010713][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.010713][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.010713][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.010713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.010713][ T10] [ 2506.012521][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2506.012521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.012521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.012521][ T10] ipv6_find_idev+0x102/0x170 [ 2506.012521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.012521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.012521][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.012521][ T10] netlink_unicast+0x449/0x710 [ 2506.012521][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.012521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.012521][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.012521][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.012521][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.012521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.012521][ T10] [ 2506.014607][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2506.014916][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2506.014916][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.014916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.014916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.014916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.014916][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.014916][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.014916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.014916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.014916][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.014916][ T10] netlink_unicast+0x449/0x710 [ 2506.014916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.014916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.014916][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.014916][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.014916][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.014916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.014916][ T10] [ 2506.017390][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2506.017390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.017390][ T10] ipv6_find_idev+0x102/0x170 [ 2506.017390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.017390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.017390][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.017390][ T10] netlink_unicast+0x449/0x710 [ 2506.017390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.017390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.017390][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.017390][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.017390][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.017390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.017390][ T10] [ 2506.019407][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2506.019407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.019407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.019407][ T10] ipv6_find_idev+0x102/0x170 [ 2506.019407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.019407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.019407][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.019407][ T10] netlink_unicast+0x449/0x710 [ 2506.019407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.019407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.019407][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.019407][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.019407][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.019407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.019407][ T10] [ 2506.022230][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2506.022562][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2506.022562][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.022562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.022562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.022562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.022562][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.022562][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.022562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.022562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.022562][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.022562][ T10] netlink_unicast+0x449/0x710 [ 2506.022562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.022562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.022562][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.022562][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.022562][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.022562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.022562][ T10] [ 2506.025197][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2506.025197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.025197][ T10] ipv6_find_idev+0x102/0x170 [ 2506.025197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.025197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.025197][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.025197][ T10] netlink_unicast+0x449/0x710 [ 2506.025197][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.025197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.025197][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.025197][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.025197][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.025197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.025197][ T10] [ 2506.027160][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2506.027160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.027160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.027160][ T10] ipv6_find_idev+0x102/0x170 [ 2506.027160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.027160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.027160][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.027160][ T10] netlink_unicast+0x449/0x710 [ 2506.027160][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.027160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.027160][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.027160][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.027160][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.027160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.027160][ T10] [ 2506.029380][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2506.029772][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2506.029772][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.029772][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.029772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.029772][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.029772][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.029772][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.029772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.029772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.029772][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.029772][ T10] netlink_unicast+0x449/0x710 [ 2506.029772][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.029772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.029772][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.029772][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.029772][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.029772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.029772][ T10] [ 2506.032260][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2506.032260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.032260][ T10] ipv6_find_idev+0x102/0x170 [ 2506.032260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.032260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.032260][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.032260][ T10] netlink_unicast+0x449/0x710 [ 2506.032260][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.032260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.032260][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.032260][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.032260][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.032260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.032260][ T10] [ 2506.034165][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2506.034165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.034165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.034165][ T10] ipv6_find_idev+0x102/0x170 [ 2506.034165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.034165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.034165][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.034165][ T10] netlink_unicast+0x449/0x710 [ 2506.034165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.034165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.034165][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.034165][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.034165][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.034165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.034165][ T10] [ 2506.036327][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2506.036628][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2506.036628][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.036628][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.036628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.036628][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.036628][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.036628][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.036628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.036628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.036628][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.036628][ T10] netlink_unicast+0x449/0x710 [ 2506.036628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.036628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.036628][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.036628][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.036628][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.036628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.036628][ T10] [ 2506.039247][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2506.039247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.039247][ T10] ipv6_find_idev+0x102/0x170 [ 2506.039247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.039247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.039247][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.039247][ T10] netlink_unicast+0x449/0x710 [ 2506.039247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.039247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.039247][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.039247][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.039247][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.039247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.039247][ T10] [ 2506.041176][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2506.041176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.041176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.041176][ T10] ipv6_find_idev+0x102/0x170 [ 2506.041176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.041176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.041176][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.041176][ T10] netlink_unicast+0x449/0x710 [ 2506.041176][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.041176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.041176][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.041176][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.041176][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.041176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.041176][ T10] [ 2506.043585][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2506.043973][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2506.043973][ T10] netdev_get_by_index+0x5e/0x80 [ 2506.043973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2506.043973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2506.043973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2506.043973][ T10] ipv6_add_addr+0x411/0x2000 [ 2506.043973][ T10] inet6_addr_add+0x30e/0xa40 [ 2506.043973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2506.043973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.043973][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.043973][ T10] netlink_unicast+0x449/0x710 [ 2506.043973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.043973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.043973][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.043973][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.043973][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.043973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.043973][ T10] [ 2506.046865][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2506.046865][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2506.046865][ T10] ipv6_find_idev+0x102/0x170 [ 2506.046865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.046865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.046865][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.046865][ T10] netlink_unicast+0x449/0x710 [ 2506.046865][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.046865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.046865][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.046865][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.046865][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.046865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.046865][ T10] [ 2506.048921][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2506.048921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2506.048921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2506.048921][ T10] ipv6_find_idev+0x102/0x170 [ 2506.048921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2506.048921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2506.048921][ T10] netlink_rcv_skb+0x130/0x360 [ 2506.048921][ T10] netlink_unicast+0x449/0x710 [ 2506.048921][ T10] netlink_sendmsg+0x723/0xbe0 [ 2506.048921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2506.048921][ T10] ___sys_sendmsg+0xee/0x170 [ 2506.048921][ T10] __sys_sendmsg+0xcd/0x170 [ 2506.048921][ T10] do_syscall_64+0xc6/0x1e0 [ 2506.048921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2506.048921][ T10] [ 2516.152166][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2516.152618][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2516.152618][ T10] netdev_get_by_index+0x5e/0x80 [ 2516.152618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2516.152618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2516.152618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2516.152618][ T10] ipv6_add_addr+0x411/0x2000 [ 2516.152618][ T10] inet6_addr_add+0x30e/0xa40 [ 2516.152618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.152618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.152618][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.152618][ T10] netlink_unicast+0x449/0x710 [ 2516.152618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.152618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.152618][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.152618][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.152618][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.152618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.152618][ T10] [ 2516.154657][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2516.154657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2516.154657][ T10] ipv6_find_idev+0x102/0x170 [ 2516.154657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.154657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.154657][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.154657][ T10] netlink_unicast+0x449/0x710 [ 2516.154657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.154657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.154657][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.154657][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.154657][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.154657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.154657][ T10] [ 2516.156184][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2516.156184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2516.156184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2516.156184][ T10] ipv6_find_idev+0x102/0x170 [ 2516.156184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.156184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.156184][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.156184][ T10] netlink_unicast+0x449/0x710 [ 2516.156184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.156184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.156184][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.156184][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.156184][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.156184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.156184][ T10] [ 2516.157877][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2516.158163][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2516.158163][ T10] netdev_get_by_index+0x5e/0x80 [ 2516.158163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2516.158163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2516.158163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2516.158163][ T10] ipv6_add_addr+0x411/0x2000 [ 2516.158163][ T10] inet6_addr_add+0x30e/0xa40 [ 2516.158163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.158163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.158163][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.158163][ T10] netlink_unicast+0x449/0x710 [ 2516.158163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.158163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.158163][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.158163][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.158163][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.158163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.158163][ T10] [ 2516.160165][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2516.160165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2516.160165][ T10] ipv6_find_idev+0x102/0x170 [ 2516.160165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.160165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.160165][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.160165][ T10] netlink_unicast+0x449/0x710 [ 2516.160165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.160165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.160165][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.160165][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.160165][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.160165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.160165][ T10] [ 2516.161665][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2516.161665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2516.161665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2516.161665][ T10] ipv6_find_idev+0x102/0x170 [ 2516.161665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.161665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.161665][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.161665][ T10] netlink_unicast+0x449/0x710 [ 2516.161665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.161665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.161665][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.161665][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.161665][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.161665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.161665][ T10] [ 2516.163354][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2516.163632][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2516.163632][ T10] netdev_get_by_index+0x5e/0x80 [ 2516.163632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2516.163632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2516.163632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2516.163632][ T10] ipv6_add_addr+0x411/0x2000 [ 2516.163632][ T10] inet6_addr_add+0x30e/0xa40 [ 2516.163632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.163632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.163632][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.163632][ T10] netlink_unicast+0x449/0x710 [ 2516.163632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.163632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.163632][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.163632][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.163632][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.163632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.163632][ T10] [ 2516.165620][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2516.165620][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2516.165620][ T10] ipv6_find_idev+0x102/0x170 [ 2516.165620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.165620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.165620][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.165620][ T10] netlink_unicast+0x449/0x710 [ 2516.165620][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.165620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.165620][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.165620][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.165620][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.165620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.165620][ T10] [ 2516.167164][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2516.167164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2516.167164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2516.167164][ T10] ipv6_find_idev+0x102/0x170 [ 2516.167164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.167164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.167164][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.167164][ T10] netlink_unicast+0x449/0x710 [ 2516.167164][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.167164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.167164][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.167164][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.167164][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.167164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.167164][ T10] [ 2516.168847][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2516.169140][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2516.169140][ T10] netdev_get_by_index+0x5e/0x80 [ 2516.169140][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2516.169140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2516.169140][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2516.169140][ T10] ipv6_add_addr+0x411/0x2000 [ 2516.169140][ T10] inet6_addr_add+0x30e/0xa40 [ 2516.169140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.169140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.169140][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.169140][ T10] netlink_unicast+0x449/0x710 [ 2516.169140][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.169140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.169140][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.169140][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.169140][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.169140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.169140][ T10] [ 2516.171149][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2516.171149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2516.171149][ T10] ipv6_find_idev+0x102/0x170 [ 2516.171149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.171149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.171149][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.171149][ T10] netlink_unicast+0x449/0x710 [ 2516.171149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.171149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.171149][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.171149][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.171149][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.171149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.171149][ T10] [ 2516.172647][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2516.172647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2516.172647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2516.172647][ T10] ipv6_find_idev+0x102/0x170 [ 2516.172647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.172647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.172647][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.172647][ T10] netlink_unicast+0x449/0x710 [ 2516.172647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.172647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.172647][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.172647][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.172647][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.172647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.172647][ T10] [ 2516.174355][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2516.174623][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2516.174623][ T10] netdev_get_by_index+0x5e/0x80 [ 2516.174623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2516.174623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2516.174623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2516.174623][ T10] ipv6_add_addr+0x411/0x2000 [ 2516.174623][ T10] inet6_addr_add+0x30e/0xa40 [ 2516.174623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.174623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.174623][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.174623][ T10] netlink_unicast+0x449/0x710 [ 2516.174623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.174623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.174623][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.174623][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.174623][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.174623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.174623][ T10] [ 2516.176592][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2516.176592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2516.176592][ T10] ipv6_find_idev+0x102/0x170 [ 2516.176592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.176592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.176592][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.176592][ T10] netlink_unicast+0x449/0x710 [ 2516.176592][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.176592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.176592][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.176592][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.176592][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.176592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.176592][ T10] [ 2516.178295][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2516.178295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2516.178295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2516.178295][ T10] ipv6_find_idev+0x102/0x170 [ 2516.178295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.178295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.178295][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.178295][ T10] netlink_unicast+0x449/0x710 [ 2516.178295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.178295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.178295][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.178295][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.178295][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.178295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.178295][ T10] [ 2516.180535][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2516.180817][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2516.180817][ T10] netdev_get_by_index+0x5e/0x80 [ 2516.180817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2516.180817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2516.180817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2516.180817][ T10] ipv6_add_addr+0x411/0x2000 [ 2516.180817][ T10] inet6_addr_add+0x30e/0xa40 [ 2516.180817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.180817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.180817][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.180817][ T10] netlink_unicast+0x449/0x710 [ 2516.180817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.180817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.180817][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.180817][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.180817][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.180817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.180817][ T10] [ 2516.182860][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2516.182860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2516.182860][ T10] ipv6_find_idev+0x102/0x170 [ 2516.182860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.182860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.182860][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.182860][ T10] netlink_unicast+0x449/0x710 [ 2516.182860][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.182860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.182860][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.182860][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.182860][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.182860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.182860][ T10] [ 2516.184455][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2516.184455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2516.184455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2516.184455][ T10] ipv6_find_idev+0x102/0x170 [ 2516.184455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.184455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.184455][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.184455][ T10] netlink_unicast+0x449/0x710 [ 2516.184455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.184455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.184455][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.184455][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.184455][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.184455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.184455][ T10] [ 2516.186370][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2516.186651][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2516.186651][ T10] netdev_get_by_index+0x5e/0x80 [ 2516.186651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2516.186651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2516.186651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2516.186651][ T10] ipv6_add_addr+0x411/0x2000 [ 2516.186651][ T10] inet6_addr_add+0x30e/0xa40 [ 2516.186651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.186651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.186651][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.186651][ T10] netlink_unicast+0x449/0x710 [ 2516.186651][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.186651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.186651][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.186651][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.186651][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.186651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.186651][ T10] [ 2516.188765][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2516.188765][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2516.188765][ T10] ipv6_find_idev+0x102/0x170 [ 2516.188765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.188765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.188765][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.188765][ T10] netlink_unicast+0x449/0x710 [ 2516.188765][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.188765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.188765][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.188765][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.188765][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.188765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.188765][ T10] [ 2516.190445][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2516.190445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2516.190445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2516.190445][ T10] ipv6_find_idev+0x102/0x170 [ 2516.190445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.190445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.190445][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.190445][ T10] netlink_unicast+0x449/0x710 [ 2516.190445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.190445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.190445][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.190445][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.190445][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.190445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.190445][ T10] [ 2516.192361][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2516.192647][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2516.192647][ T10] netdev_get_by_index+0x5e/0x80 [ 2516.192647][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2516.192647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2516.192647][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2516.192647][ T10] ipv6_add_addr+0x411/0x2000 [ 2516.192647][ T10] inet6_addr_add+0x30e/0xa40 [ 2516.192647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2516.192647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.192647][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.192647][ T10] netlink_unicast+0x449/0x710 [ 2516.192647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.192647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.192647][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.192647][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.192647][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.192647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.192647][ T10] [ 2516.194966][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2516.194966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2516.194966][ T10] ipv6_find_idev+0x102/0x170 [ 2516.194966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.194966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.194966][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.194966][ T10] netlink_unicast+0x449/0x710 [ 2516.194966][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.194966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.194966][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.194966][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.194966][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.194966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.194966][ T10] [ 2516.196610][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2516.196610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2516.196610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2516.196610][ T10] ipv6_find_idev+0x102/0x170 [ 2516.196610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2516.196610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2516.196610][ T10] netlink_rcv_skb+0x130/0x360 [ 2516.196610][ T10] netlink_unicast+0x449/0x710 [ 2516.196610][ T10] netlink_sendmsg+0x723/0xbe0 [ 2516.196610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2516.196610][ T10] ___sys_sendmsg+0xee/0x170 [ 2516.196610][ T10] __sys_sendmsg+0xcd/0x170 [ 2516.196610][ T10] do_syscall_64+0xc6/0x1e0 [ 2516.196610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2516.196610][ T10] [ 2526.272286][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2526.272840][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2526.272840][ T10] netdev_get_by_index+0x5e/0x80 [ 2526.272840][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2526.272840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2526.272840][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2526.272840][ T10] ipv6_add_addr+0x411/0x2000 [ 2526.272840][ T10] inet6_addr_add+0x30e/0xa40 [ 2526.272840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.272840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.272840][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.272840][ T10] netlink_unicast+0x449/0x710 [ 2526.272840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.272840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.272840][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.272840][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.272840][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.272840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.272840][ T10] [ 2526.274791][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2526.274791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2526.274791][ T10] ipv6_find_idev+0x102/0x170 [ 2526.274791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.274791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.274791][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.274791][ T10] netlink_unicast+0x449/0x710 [ 2526.274791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.274791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.274791][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.274791][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.274791][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.274791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.274791][ T10] [ 2526.276269][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2526.276269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2526.276269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2526.276269][ T10] ipv6_find_idev+0x102/0x170 [ 2526.276269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.276269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.276269][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.276269][ T10] netlink_unicast+0x449/0x710 [ 2526.276269][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.276269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.276269][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.276269][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.276269][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.276269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.276269][ T10] [ 2526.278008][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2526.278302][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2526.278302][ T10] netdev_get_by_index+0x5e/0x80 [ 2526.278302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2526.278302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2526.278302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2526.278302][ T10] ipv6_add_addr+0x411/0x2000 [ 2526.278302][ T10] inet6_addr_add+0x30e/0xa40 [ 2526.278302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.278302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.278302][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.278302][ T10] netlink_unicast+0x449/0x710 [ 2526.278302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.278302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.278302][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.278302][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.278302][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.278302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.278302][ T10] [ 2526.280268][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2526.280268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2526.280268][ T10] ipv6_find_idev+0x102/0x170 [ 2526.280268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.280268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.280268][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.280268][ T10] netlink_unicast+0x449/0x710 [ 2526.280268][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.280268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.280268][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.280268][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.280268][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.280268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.280268][ T10] [ 2526.281723][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2526.281723][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2526.281723][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2526.281723][ T10] ipv6_find_idev+0x102/0x170 [ 2526.281723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.281723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.281723][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.281723][ T10] netlink_unicast+0x449/0x710 [ 2526.281723][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.281723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.281723][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.281723][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.281723][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.281723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.281723][ T10] [ 2526.283359][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2526.283632][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2526.283632][ T10] netdev_get_by_index+0x5e/0x80 [ 2526.283632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2526.283632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2526.283632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2526.283632][ T10] ipv6_add_addr+0x411/0x2000 [ 2526.283632][ T10] inet6_addr_add+0x30e/0xa40 [ 2526.283632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.283632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.283632][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.283632][ T10] netlink_unicast+0x449/0x710 [ 2526.283632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.283632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.283632][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.283632][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.283632][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.283632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.283632][ T10] [ 2526.285532][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2526.285532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2526.285532][ T10] ipv6_find_idev+0x102/0x170 [ 2526.285532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.285532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.285532][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.285532][ T10] netlink_unicast+0x449/0x710 [ 2526.285532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.285532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.285532][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.285532][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.285532][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.285532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.285532][ T10] [ 2526.287035][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2526.287035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2526.287035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2526.287035][ T10] ipv6_find_idev+0x102/0x170 [ 2526.287035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.287035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.287035][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.287035][ T10] netlink_unicast+0x449/0x710 [ 2526.287035][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.287035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.287035][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.287035][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.287035][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.287035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.287035][ T10] [ 2526.288618][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2526.288898][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2526.288898][ T10] netdev_get_by_index+0x5e/0x80 [ 2526.288898][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2526.288898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2526.288898][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2526.288898][ T10] ipv6_add_addr+0x411/0x2000 [ 2526.288898][ T10] inet6_addr_add+0x30e/0xa40 [ 2526.288898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.288898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.288898][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.288898][ T10] netlink_unicast+0x449/0x710 [ 2526.288898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.288898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.288898][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.288898][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.288898][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.288898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.288898][ T10] [ 2526.290819][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2526.290819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2526.290819][ T10] ipv6_find_idev+0x102/0x170 [ 2526.290819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.290819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.290819][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.290819][ T10] netlink_unicast+0x449/0x710 [ 2526.290819][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.290819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.290819][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.290819][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.290819][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.290819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.290819][ T10] [ 2526.292267][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2526.292267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2526.292267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2526.292267][ T10] ipv6_find_idev+0x102/0x170 [ 2526.292267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.292267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.292267][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.292267][ T10] netlink_unicast+0x449/0x710 [ 2526.292267][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.292267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.292267][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.292267][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.292267][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.292267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.292267][ T10] [ 2526.294267][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2526.294830][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2526.294830][ T10] netdev_get_by_index+0x5e/0x80 [ 2526.294830][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2526.294830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2526.294830][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2526.294830][ T10] ipv6_add_addr+0x411/0x2000 [ 2526.294830][ T10] inet6_addr_add+0x30e/0xa40 [ 2526.294830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.294830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.294830][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.294830][ T10] netlink_unicast+0x449/0x710 [ 2526.294830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.294830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.294830][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.294830][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.294830][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.294830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.294830][ T10] [ 2526.296752][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2526.296752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2526.296752][ T10] ipv6_find_idev+0x102/0x170 [ 2526.296752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.296752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.296752][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.296752][ T10] netlink_unicast+0x449/0x710 [ 2526.296752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.296752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.296752][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.296752][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.296752][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.296752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.296752][ T10] [ 2526.298258][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2526.298258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2526.298258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2526.298258][ T10] ipv6_find_idev+0x102/0x170 [ 2526.298258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.298258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.298258][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.298258][ T10] netlink_unicast+0x449/0x710 [ 2526.298258][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.298258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.298258][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.298258][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.298258][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.298258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.298258][ T10] [ 2526.300004][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2526.300339][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2526.300339][ T10] netdev_get_by_index+0x5e/0x80 [ 2526.300339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2526.300339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2526.300339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2526.300339][ T10] ipv6_add_addr+0x411/0x2000 [ 2526.300339][ T10] inet6_addr_add+0x30e/0xa40 [ 2526.300339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.300339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.300339][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.300339][ T10] netlink_unicast+0x449/0x710 [ 2526.300339][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.300339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.300339][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.300339][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.300339][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.300339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.300339][ T10] [ 2526.302313][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2526.302313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2526.302313][ T10] ipv6_find_idev+0x102/0x170 [ 2526.302313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.302313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.302313][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.302313][ T10] netlink_unicast+0x449/0x710 [ 2526.302313][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.302313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.302313][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.302313][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.302313][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.302313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.302313][ T10] [ 2526.303949][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2526.303949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2526.303949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2526.303949][ T10] ipv6_find_idev+0x102/0x170 [ 2526.303949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.303949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.303949][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.303949][ T10] netlink_unicast+0x449/0x710 [ 2526.303949][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.303949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.303949][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.303949][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.303949][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.303949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.303949][ T10] [ 2526.305944][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2526.306275][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2526.306275][ T10] netdev_get_by_index+0x5e/0x80 [ 2526.306275][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2526.306275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2526.306275][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2526.306275][ T10] ipv6_add_addr+0x411/0x2000 [ 2526.306275][ T10] inet6_addr_add+0x30e/0xa40 [ 2526.306275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.306275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.306275][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.306275][ T10] netlink_unicast+0x449/0x710 [ 2526.306275][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.306275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.306275][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.306275][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.306275][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.306275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.306275][ T10] [ 2526.308472][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2526.308472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2526.308472][ T10] ipv6_find_idev+0x102/0x170 [ 2526.308472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.308472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.308472][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.308472][ T10] netlink_unicast+0x449/0x710 [ 2526.308472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.308472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.308472][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.308472][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.308472][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.308472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.308472][ T10] [ 2526.310205][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2526.310205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2526.310205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2526.310205][ T10] ipv6_find_idev+0x102/0x170 [ 2526.310205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.310205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.310205][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.310205][ T10] netlink_unicast+0x449/0x710 [ 2526.310205][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.310205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.310205][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.310205][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.310205][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.310205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.310205][ T10] [ 2526.312187][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2526.312509][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2526.312509][ T10] netdev_get_by_index+0x5e/0x80 [ 2526.312509][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2526.312509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2526.312509][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2526.312509][ T10] ipv6_add_addr+0x411/0x2000 [ 2526.312509][ T10] inet6_addr_add+0x30e/0xa40 [ 2526.312509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.312509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.312509][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.312509][ T10] netlink_unicast+0x449/0x710 [ 2526.312509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.312509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.312509][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.312509][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.312509][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.312509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.312509][ T10] [ 2526.314697][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2526.314697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2526.314697][ T10] ipv6_find_idev+0x102/0x170 [ 2526.314697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.314697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.314697][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.314697][ T10] netlink_unicast+0x449/0x710 [ 2526.314697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.314697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.314697][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.314697][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.314697][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.314697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.314697][ T10] [ 2526.316476][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2526.316476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2526.316476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2526.316476][ T10] ipv6_find_idev+0x102/0x170 [ 2526.316476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.316476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.316476][ T10] netlink_rcv_skb+0x130/0x360 [ 2526.316476][ T10] netlink_unicast+0x449/0x710 [ 2526.316476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2526.316476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2526.316476][ T10] ___sys_sendmsg+0xee/0x170 [ 2526.316476][ T10] __sys_sendmsg+0xcd/0x170 [ 2526.316476][ T10] do_syscall_64+0xc6/0x1e0 [ 2526.316476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.316476][ T10] [ 2536.440201][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2536.440597][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2536.440597][ T10] netdev_get_by_index+0x5e/0x80 [ 2536.440597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2536.440597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2536.440597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2536.440597][ T10] ipv6_add_addr+0x411/0x2000 [ 2536.440597][ T10] inet6_addr_add+0x30e/0xa40 [ 2536.440597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.440597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.440597][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.440597][ T10] netlink_unicast+0x449/0x710 [ 2536.440597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.440597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.440597][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.440597][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.440597][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.440597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.440597][ T10] [ 2536.443101][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2536.443101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2536.443101][ T10] ipv6_find_idev+0x102/0x170 [ 2536.443101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.443101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.443101][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.443101][ T10] netlink_unicast+0x449/0x710 [ 2536.443101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.443101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.443101][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.443101][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.443101][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.443101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.443101][ T10] [ 2536.445022][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2536.445022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2536.445022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2536.445022][ T10] ipv6_find_idev+0x102/0x170 [ 2536.445022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.445022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.445022][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.445022][ T10] netlink_unicast+0x449/0x710 [ 2536.445022][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.445022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.445022][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.445022][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.445022][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.445022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.445022][ T10] [ 2536.447112][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2536.447440][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2536.447440][ T10] netdev_get_by_index+0x5e/0x80 [ 2536.447440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2536.447440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2536.447440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2536.447440][ T10] ipv6_add_addr+0x411/0x2000 [ 2536.447440][ T10] inet6_addr_add+0x30e/0xa40 [ 2536.447440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.447440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.447440][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.447440][ T10] netlink_unicast+0x449/0x710 [ 2536.447440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.447440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.447440][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.447440][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.447440][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.447440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.447440][ T10] [ 2536.449937][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2536.449937][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2536.449937][ T10] ipv6_find_idev+0x102/0x170 [ 2536.449937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.449937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.449937][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.449937][ T10] netlink_unicast+0x449/0x710 [ 2536.449937][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.449937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.449937][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.449937][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.449937][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.449937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.449937][ T10] [ 2536.452079][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2536.452079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2536.452079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2536.452079][ T10] ipv6_find_idev+0x102/0x170 [ 2536.452079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.452079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.452079][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.452079][ T10] netlink_unicast+0x449/0x710 [ 2536.452079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.452079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.452079][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.452079][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.452079][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.452079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.452079][ T10] [ 2536.454272][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2536.454639][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2536.454639][ T10] netdev_get_by_index+0x5e/0x80 [ 2536.454639][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2536.454639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2536.454639][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2536.454639][ T10] ipv6_add_addr+0x411/0x2000 [ 2536.454639][ T10] inet6_addr_add+0x30e/0xa40 [ 2536.454639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.454639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.454639][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.454639][ T10] netlink_unicast+0x449/0x710 [ 2536.454639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.454639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.454639][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.454639][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.454639][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.454639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.454639][ T10] [ 2536.457097][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2536.457097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2536.457097][ T10] ipv6_find_idev+0x102/0x170 [ 2536.457097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.457097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.457097][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.457097][ T10] netlink_unicast+0x449/0x710 [ 2536.457097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.457097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.457097][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.457097][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.457097][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.457097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.457097][ T10] [ 2536.458985][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2536.458985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2536.458985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2536.458985][ T10] ipv6_find_idev+0x102/0x170 [ 2536.458985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.458985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.458985][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.458985][ T10] netlink_unicast+0x449/0x710 [ 2536.458985][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.458985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.458985][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.458985][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.458985][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.458985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.458985][ T10] [ 2536.461196][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2536.461508][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2536.461508][ T10] netdev_get_by_index+0x5e/0x80 [ 2536.461508][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2536.461508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2536.461508][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2536.461508][ T10] ipv6_add_addr+0x411/0x2000 [ 2536.461508][ T10] inet6_addr_add+0x30e/0xa40 [ 2536.461508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.461508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.461508][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.461508][ T10] netlink_unicast+0x449/0x710 [ 2536.461508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.461508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.461508][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.461508][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.461508][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.461508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.461508][ T10] [ 2536.464017][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2536.464017][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2536.464017][ T10] ipv6_find_idev+0x102/0x170 [ 2536.464017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.464017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.464017][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.464017][ T10] netlink_unicast+0x449/0x710 [ 2536.464017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.464017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.464017][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.464017][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.464017][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.464017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.464017][ T10] [ 2536.466134][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2536.466134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2536.466134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2536.466134][ T10] ipv6_find_idev+0x102/0x170 [ 2536.466134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.466134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.466134][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.466134][ T10] netlink_unicast+0x449/0x710 [ 2536.466134][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.466134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.466134][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.466134][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.466134][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.466134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.466134][ T10] [ 2536.468345][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2536.468744][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2536.468744][ T10] netdev_get_by_index+0x5e/0x80 [ 2536.468744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2536.468744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2536.468744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2536.468744][ T10] ipv6_add_addr+0x411/0x2000 [ 2536.468744][ T10] inet6_addr_add+0x30e/0xa40 [ 2536.468744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.468744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.468744][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.468744][ T10] netlink_unicast+0x449/0x710 [ 2536.468744][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.468744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.468744][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.468744][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.468744][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.468744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.468744][ T10] [ 2536.471289][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2536.471289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2536.471289][ T10] ipv6_find_idev+0x102/0x170 [ 2536.471289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.471289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.471289][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.471289][ T10] netlink_unicast+0x449/0x710 [ 2536.471289][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.471289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.471289][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.471289][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.471289][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.471289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.471289][ T10] [ 2536.473299][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2536.473299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2536.473299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2536.473299][ T10] ipv6_find_idev+0x102/0x170 [ 2536.473299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.473299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.473299][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.473299][ T10] netlink_unicast+0x449/0x710 [ 2536.473299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.473299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.473299][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.473299][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.473299][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.473299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.473299][ T10] [ 2536.475968][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2536.476365][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2536.476365][ T10] netdev_get_by_index+0x5e/0x80 [ 2536.476365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2536.476365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2536.476365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2536.476365][ T10] ipv6_add_addr+0x411/0x2000 [ 2536.476365][ T10] inet6_addr_add+0x30e/0xa40 [ 2536.476365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.476365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.476365][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.476365][ T10] netlink_unicast+0x449/0x710 [ 2536.476365][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.476365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.476365][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.476365][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.476365][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.476365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.476365][ T10] [ 2536.478869][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2536.478869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2536.478869][ T10] ipv6_find_idev+0x102/0x170 [ 2536.478869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.478869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.478869][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.478869][ T10] netlink_unicast+0x449/0x710 [ 2536.478869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.478869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.478869][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.478869][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.478869][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.478869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.478869][ T10] [ 2536.480998][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2536.480998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2536.480998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2536.480998][ T10] ipv6_find_idev+0x102/0x170 [ 2536.480998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.480998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.480998][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.480998][ T10] netlink_unicast+0x449/0x710 [ 2536.480998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.480998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.480998][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.480998][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.480998][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.480998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.480998][ T10] [ 2536.483462][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2536.483783][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2536.483783][ T10] netdev_get_by_index+0x5e/0x80 [ 2536.483783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2536.483783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2536.483783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2536.483783][ T10] ipv6_add_addr+0x411/0x2000 [ 2536.483783][ T10] inet6_addr_add+0x30e/0xa40 [ 2536.483783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.483783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.483783][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.483783][ T10] netlink_unicast+0x449/0x710 [ 2536.483783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.483783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.483783][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.483783][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.483783][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.483783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.483783][ T10] [ 2536.486191][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2536.486191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2536.486191][ T10] ipv6_find_idev+0x102/0x170 [ 2536.486191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.486191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.486191][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.486191][ T10] netlink_unicast+0x449/0x710 [ 2536.486191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.486191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.486191][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.486191][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.486191][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.486191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.486191][ T10] [ 2536.488032][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2536.488032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2536.488032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2536.488032][ T10] ipv6_find_idev+0x102/0x170 [ 2536.488032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.488032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.488032][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.488032][ T10] netlink_unicast+0x449/0x710 [ 2536.488032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.488032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.488032][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.488032][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.488032][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.488032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.488032][ T10] [ 2536.490201][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2536.490511][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2536.490511][ T10] netdev_get_by_index+0x5e/0x80 [ 2536.490511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2536.490511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2536.490511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2536.490511][ T10] ipv6_add_addr+0x411/0x2000 [ 2536.490511][ T10] inet6_addr_add+0x30e/0xa40 [ 2536.490511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.490511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.490511][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.490511][ T10] netlink_unicast+0x449/0x710 [ 2536.490511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.490511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.490511][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.490511][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.490511][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.490511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.490511][ T10] [ 2536.492999][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2536.492999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2536.492999][ T10] ipv6_find_idev+0x102/0x170 [ 2536.492999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.492999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.492999][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.492999][ T10] netlink_unicast+0x449/0x710 [ 2536.492999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.492999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.492999][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.492999][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.492999][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.492999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.492999][ T10] [ 2536.495112][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2536.495112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2536.495112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2536.495112][ T10] ipv6_find_idev+0x102/0x170 [ 2536.495112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.495112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.495112][ T10] netlink_rcv_skb+0x130/0x360 [ 2536.495112][ T10] netlink_unicast+0x449/0x710 [ 2536.495112][ T10] netlink_sendmsg+0x723/0xbe0 [ 2536.495112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2536.495112][ T10] ___sys_sendmsg+0xee/0x170 [ 2536.495112][ T10] __sys_sendmsg+0xcd/0x170 [ 2536.495112][ T10] do_syscall_64+0xc6/0x1e0 [ 2536.495112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.495112][ T10] [ 2546.640125][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2546.640493][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2546.640493][ T10] netdev_get_by_index+0x5e/0x80 [ 2546.640493][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2546.640493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2546.640493][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2546.640493][ T10] ipv6_add_addr+0x411/0x2000 [ 2546.640493][ T10] inet6_addr_add+0x30e/0xa40 [ 2546.640493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.640493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.640493][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.640493][ T10] netlink_unicast+0x449/0x710 [ 2546.640493][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.640493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.640493][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.640493][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.640493][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.640493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.640493][ T10] [ 2546.642491][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2546.642491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2546.642491][ T10] ipv6_find_idev+0x102/0x170 [ 2546.642491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.642491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.642491][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.642491][ T10] netlink_unicast+0x449/0x710 [ 2546.642491][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.642491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.642491][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.642491][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.642491][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.642491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.642491][ T10] [ 2546.644044][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2546.644044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2546.644044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2546.644044][ T10] ipv6_find_idev+0x102/0x170 [ 2546.644044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.644044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.644044][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.644044][ T10] netlink_unicast+0x449/0x710 [ 2546.644044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.644044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.644044][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.644044][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.644044][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.644044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.644044][ T10] [ 2546.645789][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2546.646068][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2546.646068][ T10] netdev_get_by_index+0x5e/0x80 [ 2546.646068][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2546.646068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2546.646068][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2546.646068][ T10] ipv6_add_addr+0x411/0x2000 [ 2546.646068][ T10] inet6_addr_add+0x30e/0xa40 [ 2546.646068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.646068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.646068][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.646068][ T10] netlink_unicast+0x449/0x710 [ 2546.646068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.646068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.646068][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.646068][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.646068][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.646068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.646068][ T10] [ 2546.647984][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2546.647984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2546.647984][ T10] ipv6_find_idev+0x102/0x170 [ 2546.647984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.647984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.647984][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.647984][ T10] netlink_unicast+0x449/0x710 [ 2546.647984][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.647984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.647984][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.647984][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.647984][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.647984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.647984][ T10] [ 2546.649524][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2546.649524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2546.649524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2546.649524][ T10] ipv6_find_idev+0x102/0x170 [ 2546.649524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.649524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.649524][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.649524][ T10] netlink_unicast+0x449/0x710 [ 2546.649524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.649524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.649524][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.649524][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.649524][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.649524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.649524][ T10] [ 2546.651194][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2546.651475][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2546.651475][ T10] netdev_get_by_index+0x5e/0x80 [ 2546.651475][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2546.651475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2546.651475][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2546.651475][ T10] ipv6_add_addr+0x411/0x2000 [ 2546.651475][ T10] inet6_addr_add+0x30e/0xa40 [ 2546.651475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.651475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.651475][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.651475][ T10] netlink_unicast+0x449/0x710 [ 2546.651475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.651475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.651475][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.651475][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.651475][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.651475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.651475][ T10] [ 2546.653467][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2546.653467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2546.653467][ T10] ipv6_find_idev+0x102/0x170 [ 2546.653467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.653467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.653467][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.653467][ T10] netlink_unicast+0x449/0x710 [ 2546.653467][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.653467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.653467][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.653467][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.653467][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.653467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.653467][ T10] [ 2546.654980][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2546.654980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2546.654980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2546.654980][ T10] ipv6_find_idev+0x102/0x170 [ 2546.654980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.654980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.654980][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.654980][ T10] netlink_unicast+0x449/0x710 [ 2546.654980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.654980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.654980][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.654980][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.654980][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.654980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.654980][ T10] [ 2546.656653][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2546.656917][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2546.656917][ T10] netdev_get_by_index+0x5e/0x80 [ 2546.656917][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2546.656917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2546.656917][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2546.656917][ T10] ipv6_add_addr+0x411/0x2000 [ 2546.656917][ T10] inet6_addr_add+0x30e/0xa40 [ 2546.656917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.656917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.656917][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.656917][ T10] netlink_unicast+0x449/0x710 [ 2546.656917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.656917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.656917][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.656917][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.656917][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.656917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.656917][ T10] [ 2546.658948][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2546.658948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2546.658948][ T10] ipv6_find_idev+0x102/0x170 [ 2546.658948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.658948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.658948][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.658948][ T10] netlink_unicast+0x449/0x710 [ 2546.658948][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.658948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.658948][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.658948][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.658948][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.658948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.658948][ T10] [ 2546.660465][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2546.660465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2546.660465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2546.660465][ T10] ipv6_find_idev+0x102/0x170 [ 2546.660465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.660465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.660465][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.660465][ T10] netlink_unicast+0x449/0x710 [ 2546.660465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.660465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.660465][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.660465][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.660465][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.660465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.660465][ T10] [ 2546.662209][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2546.662480][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2546.662480][ T10] netdev_get_by_index+0x5e/0x80 [ 2546.662480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2546.662480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2546.662480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2546.662480][ T10] ipv6_add_addr+0x411/0x2000 [ 2546.662480][ T10] inet6_addr_add+0x30e/0xa40 [ 2546.662480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.662480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.662480][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.662480][ T10] netlink_unicast+0x449/0x710 [ 2546.662480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.662480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.662480][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.662480][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.662480][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.662480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.662480][ T10] [ 2546.664479][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2546.664479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2546.664479][ T10] ipv6_find_idev+0x102/0x170 [ 2546.664479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.664479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.664479][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.664479][ T10] netlink_unicast+0x449/0x710 [ 2546.664479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.664479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.664479][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.664479][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.664479][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.664479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.664479][ T10] [ 2546.666241][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2546.666241][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2546.666241][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2546.666241][ T10] ipv6_find_idev+0x102/0x170 [ 2546.666241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.666241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.666241][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.666241][ T10] netlink_unicast+0x449/0x710 [ 2546.666241][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.666241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.666241][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.666241][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.666241][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.666241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.666241][ T10] [ 2546.668311][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2546.668639][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2546.668639][ T10] netdev_get_by_index+0x5e/0x80 [ 2546.668639][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2546.668639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2546.668639][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2546.668639][ T10] ipv6_add_addr+0x411/0x2000 [ 2546.668639][ T10] inet6_addr_add+0x30e/0xa40 [ 2546.668639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.668639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.668639][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.668639][ T10] netlink_unicast+0x449/0x710 [ 2546.668639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.668639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.668639][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.668639][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.668639][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.668639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.668639][ T10] [ 2546.670785][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2546.670785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2546.670785][ T10] ipv6_find_idev+0x102/0x170 [ 2546.670785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.670785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.670785][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.670785][ T10] netlink_unicast+0x449/0x710 [ 2546.670785][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.670785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.670785][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.670785][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.670785][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.670785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.670785][ T10] [ 2546.672369][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2546.672369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2546.672369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2546.672369][ T10] ipv6_find_idev+0x102/0x170 [ 2546.672369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.672369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.672369][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.672369][ T10] netlink_unicast+0x449/0x710 [ 2546.672369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.672369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.672369][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.672369][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.672369][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.672369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.672369][ T10] [ 2546.674294][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2546.674572][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2546.674572][ T10] netdev_get_by_index+0x5e/0x80 [ 2546.674572][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2546.674572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2546.674572][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2546.674572][ T10] ipv6_add_addr+0x411/0x2000 [ 2546.674572][ T10] inet6_addr_add+0x30e/0xa40 [ 2546.674572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.674572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.674572][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.674572][ T10] netlink_unicast+0x449/0x710 [ 2546.674572][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.674572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.674572][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.674572][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.674572][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.674572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.674572][ T10] [ 2546.676638][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2546.676638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2546.676638][ T10] ipv6_find_idev+0x102/0x170 [ 2546.676638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.676638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.676638][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.676638][ T10] netlink_unicast+0x449/0x710 [ 2546.676638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.676638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.676638][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.676638][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.676638][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.676638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.676638][ T10] [ 2546.678239][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2546.678239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2546.678239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2546.678239][ T10] ipv6_find_idev+0x102/0x170 [ 2546.678239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.678239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.678239][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.678239][ T10] netlink_unicast+0x449/0x710 [ 2546.678239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.678239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.678239][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.678239][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.678239][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.678239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.678239][ T10] [ 2546.680221][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2546.680501][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2546.680501][ T10] netdev_get_by_index+0x5e/0x80 [ 2546.680501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2546.680501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2546.680501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2546.680501][ T10] ipv6_add_addr+0x411/0x2000 [ 2546.680501][ T10] inet6_addr_add+0x30e/0xa40 [ 2546.680501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.680501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.680501][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.680501][ T10] netlink_unicast+0x449/0x710 [ 2546.680501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.680501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.680501][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.680501][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.680501][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.680501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.680501][ T10] [ 2546.682747][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2546.682747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2546.682747][ T10] ipv6_find_idev+0x102/0x170 [ 2546.682747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.682747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.682747][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.682747][ T10] netlink_unicast+0x449/0x710 [ 2546.682747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.682747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.682747][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.682747][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.682747][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.682747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.682747][ T10] [ 2546.684471][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2546.684471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2546.684471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2546.684471][ T10] ipv6_find_idev+0x102/0x170 [ 2546.684471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.684471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.684471][ T10] netlink_rcv_skb+0x130/0x360 [ 2546.684471][ T10] netlink_unicast+0x449/0x710 [ 2546.684471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2546.684471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2546.684471][ T10] ___sys_sendmsg+0xee/0x170 [ 2546.684471][ T10] __sys_sendmsg+0xcd/0x170 [ 2546.684471][ T10] do_syscall_64+0xc6/0x1e0 [ 2546.684471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.684471][ T10] [ 2556.777127][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2556.777613][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2556.777613][ T10] netdev_get_by_index+0x5e/0x80 [ 2556.777613][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2556.777613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2556.777613][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2556.777613][ T10] ipv6_add_addr+0x411/0x2000 [ 2556.777613][ T10] inet6_addr_add+0x30e/0xa40 [ 2556.777613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.777613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.777613][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.777613][ T10] netlink_unicast+0x449/0x710 [ 2556.777613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.777613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.777613][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.777613][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.777613][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.777613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.777613][ T10] [ 2556.779891][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2556.779891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2556.779891][ T10] ipv6_find_idev+0x102/0x170 [ 2556.779891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.779891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.779891][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.779891][ T10] netlink_unicast+0x449/0x710 [ 2556.779891][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.779891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.779891][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.779891][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.779891][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.779891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.779891][ T10] [ 2556.781712][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2556.781712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2556.781712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2556.781712][ T10] ipv6_find_idev+0x102/0x170 [ 2556.781712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.781712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.781712][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.781712][ T10] netlink_unicast+0x449/0x710 [ 2556.781712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.781712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.781712][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.781712][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.781712][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.781712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.781712][ T10] [ 2556.783660][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2556.784028][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2556.784028][ T10] netdev_get_by_index+0x5e/0x80 [ 2556.784028][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2556.784028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2556.784028][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2556.784028][ T10] ipv6_add_addr+0x411/0x2000 [ 2556.784028][ T10] inet6_addr_add+0x30e/0xa40 [ 2556.784028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.784028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.784028][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.784028][ T10] netlink_unicast+0x449/0x710 [ 2556.784028][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.784028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.784028][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.784028][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.784028][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.784028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.784028][ T10] [ 2556.786275][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2556.786275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2556.786275][ T10] ipv6_find_idev+0x102/0x170 [ 2556.786275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.786275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.786275][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.786275][ T10] netlink_unicast+0x449/0x710 [ 2556.786275][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.786275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.786275][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.786275][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.786275][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.786275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.786275][ T10] [ 2556.787980][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2556.787980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2556.787980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2556.787980][ T10] ipv6_find_idev+0x102/0x170 [ 2556.787980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.787980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.787980][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.787980][ T10] netlink_unicast+0x449/0x710 [ 2556.787980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.787980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.787980][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.787980][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.787980][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.787980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.787980][ T10] [ 2556.789892][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2556.790247][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2556.790247][ T10] netdev_get_by_index+0x5e/0x80 [ 2556.790247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2556.790247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2556.790247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2556.790247][ T10] ipv6_add_addr+0x411/0x2000 [ 2556.790247][ T10] inet6_addr_add+0x30e/0xa40 [ 2556.790247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.790247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.790247][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.790247][ T10] netlink_unicast+0x449/0x710 [ 2556.790247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.790247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.790247][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.790247][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.790247][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.790247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.790247][ T10] [ 2556.792553][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2556.792553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2556.792553][ T10] ipv6_find_idev+0x102/0x170 [ 2556.792553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.792553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.792553][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.792553][ T10] netlink_unicast+0x449/0x710 [ 2556.792553][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.792553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.792553][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.792553][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.792553][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.792553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.792553][ T10] [ 2556.794269][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2556.794269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2556.794269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2556.794269][ T10] ipv6_find_idev+0x102/0x170 [ 2556.794269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.794269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.794269][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.794269][ T10] netlink_unicast+0x449/0x710 [ 2556.794269][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.794269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.794269][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.794269][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.794269][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.794269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.794269][ T10] [ 2556.796194][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2556.796484][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2556.796484][ T10] netdev_get_by_index+0x5e/0x80 [ 2556.796484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2556.796484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2556.796484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2556.796484][ T10] ipv6_add_addr+0x411/0x2000 [ 2556.796484][ T10] inet6_addr_add+0x30e/0xa40 [ 2556.796484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.796484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.796484][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.796484][ T10] netlink_unicast+0x449/0x710 [ 2556.796484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.796484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.796484][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.796484][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.796484][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.796484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.796484][ T10] [ 2556.799013][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2556.799013][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2556.799013][ T10] ipv6_find_idev+0x102/0x170 [ 2556.799013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.799013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.799013][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.799013][ T10] netlink_unicast+0x449/0x710 [ 2556.799013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.799013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.799013][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.799013][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.799013][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.799013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.799013][ T10] [ 2556.800924][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2556.800924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2556.800924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2556.800924][ T10] ipv6_find_idev+0x102/0x170 [ 2556.800924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.800924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.800924][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.800924][ T10] netlink_unicast+0x449/0x710 [ 2556.800924][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.800924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.800924][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.800924][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.800924][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.800924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.800924][ T10] [ 2556.803073][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2556.803538][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2556.803538][ T10] netdev_get_by_index+0x5e/0x80 [ 2556.803538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2556.803538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2556.803538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2556.803538][ T10] ipv6_add_addr+0x411/0x2000 [ 2556.803538][ T10] inet6_addr_add+0x30e/0xa40 [ 2556.803538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.803538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.803538][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.803538][ T10] netlink_unicast+0x449/0x710 [ 2556.803538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.803538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.803538][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.803538][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.803538][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.803538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.803538][ T10] [ 2556.805939][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2556.805939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2556.805939][ T10] ipv6_find_idev+0x102/0x170 [ 2556.805939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.805939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.805939][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.805939][ T10] netlink_unicast+0x449/0x710 [ 2556.805939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.805939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.805939][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.805939][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.805939][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.805939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.805939][ T10] [ 2556.807899][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2556.807899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2556.807899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2556.807899][ T10] ipv6_find_idev+0x102/0x170 [ 2556.807899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.807899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.807899][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.807899][ T10] netlink_unicast+0x449/0x710 [ 2556.807899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.807899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.807899][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.807899][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.807899][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.807899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.807899][ T10] [ 2556.810006][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2556.810440][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2556.810440][ T10] netdev_get_by_index+0x5e/0x80 [ 2556.810440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2556.810440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2556.810440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2556.810440][ T10] ipv6_add_addr+0x411/0x2000 [ 2556.810440][ T10] inet6_addr_add+0x30e/0xa40 [ 2556.810440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.810440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.810440][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.810440][ T10] netlink_unicast+0x449/0x710 [ 2556.810440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.810440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.810440][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.810440][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.810440][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.810440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.810440][ T10] [ 2556.813064][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2556.813064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2556.813064][ T10] ipv6_find_idev+0x102/0x170 [ 2556.813064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.813064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.813064][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.813064][ T10] netlink_unicast+0x449/0x710 [ 2556.813064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.813064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.813064][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.813064][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.813064][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.813064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.813064][ T10] [ 2556.814976][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2556.814976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2556.814976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2556.814976][ T10] ipv6_find_idev+0x102/0x170 [ 2556.814976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.814976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.814976][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.814976][ T10] netlink_unicast+0x449/0x710 [ 2556.814976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.814976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.814976][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.814976][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.814976][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.814976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.814976][ T10] [ 2556.817049][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2556.817412][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2556.817412][ T10] netdev_get_by_index+0x5e/0x80 [ 2556.817412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2556.817412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2556.817412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2556.817412][ T10] ipv6_add_addr+0x411/0x2000 [ 2556.817412][ T10] inet6_addr_add+0x30e/0xa40 [ 2556.817412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.817412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.817412][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.817412][ T10] netlink_unicast+0x449/0x710 [ 2556.817412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.817412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.817412][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.817412][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.817412][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.817412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.817412][ T10] [ 2556.819923][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2556.819923][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2556.819923][ T10] ipv6_find_idev+0x102/0x170 [ 2556.819923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.819923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.819923][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.819923][ T10] netlink_unicast+0x449/0x710 [ 2556.819923][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.819923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.819923][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.819923][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.819923][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.819923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.819923][ T10] [ 2556.822017][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2556.822017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2556.822017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2556.822017][ T10] ipv6_find_idev+0x102/0x170 [ 2556.822017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.822017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.822017][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.822017][ T10] netlink_unicast+0x449/0x710 [ 2556.822017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.822017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.822017][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.822017][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.822017][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.822017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.822017][ T10] [ 2556.824273][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2556.824648][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2556.824648][ T10] netdev_get_by_index+0x5e/0x80 [ 2556.824648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2556.824648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2556.824648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2556.824648][ T10] ipv6_add_addr+0x411/0x2000 [ 2556.824648][ T10] inet6_addr_add+0x30e/0xa40 [ 2556.824648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.824648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.824648][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.824648][ T10] netlink_unicast+0x449/0x710 [ 2556.824648][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.824648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.824648][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.824648][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.824648][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.824648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.824648][ T10] [ 2556.827054][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2556.827054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2556.827054][ T10] ipv6_find_idev+0x102/0x170 [ 2556.827054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.827054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.827054][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.827054][ T10] netlink_unicast+0x449/0x710 [ 2556.827054][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.827054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.827054][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.827054][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.827054][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.827054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.827054][ T10] [ 2556.828898][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2556.828898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2556.828898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2556.828898][ T10] ipv6_find_idev+0x102/0x170 [ 2556.828898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.828898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.828898][ T10] netlink_rcv_skb+0x130/0x360 [ 2556.828898][ T10] netlink_unicast+0x449/0x710 [ 2556.828898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2556.828898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2556.828898][ T10] ___sys_sendmsg+0xee/0x170 [ 2556.828898][ T10] __sys_sendmsg+0xcd/0x170 [ 2556.828898][ T10] do_syscall_64+0xc6/0x1e0 [ 2556.828898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.828898][ T10] [ 2561.391205][T11488] ip (11488) used greatest stack depth: 22912 bytes left [ 2566.936257][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2566.936632][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2566.936632][ T10] netdev_get_by_index+0x5e/0x80 [ 2566.936632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2566.936632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2566.936632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2566.936632][ T10] ipv6_add_addr+0x411/0x2000 [ 2566.936632][ T10] inet6_addr_add+0x30e/0xa40 [ 2566.936632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2566.936632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.936632][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.936632][ T10] netlink_unicast+0x449/0x710 [ 2566.936632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.936632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.936632][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.936632][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.936632][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.936632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.936632][ T10] [ 2566.938899][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2566.938899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2566.938899][ T10] ipv6_find_idev+0x102/0x170 [ 2566.938899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.938899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.938899][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.938899][ T10] netlink_unicast+0x449/0x710 [ 2566.938899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.938899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.938899][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.938899][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.938899][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.938899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.938899][ T10] [ 2566.940625][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2566.940625][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2566.940625][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2566.940625][ T10] ipv6_find_idev+0x102/0x170 [ 2566.940625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.940625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.940625][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.940625][ T10] netlink_unicast+0x449/0x710 [ 2566.940625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.940625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.940625][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.940625][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.940625][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.940625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.940625][ T10] [ 2566.942544][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2566.942882][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2566.942882][ T10] netdev_get_by_index+0x5e/0x80 [ 2566.942882][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2566.942882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2566.942882][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2566.942882][ T10] ipv6_add_addr+0x411/0x2000 [ 2566.942882][ T10] inet6_addr_add+0x30e/0xa40 [ 2566.942882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2566.942882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.942882][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.942882][ T10] netlink_unicast+0x449/0x710 [ 2566.942882][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.942882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.942882][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.942882][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.942882][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.942882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.942882][ T10] [ 2566.945165][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2566.945165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2566.945165][ T10] ipv6_find_idev+0x102/0x170 [ 2566.945165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.945165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.945165][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.945165][ T10] netlink_unicast+0x449/0x710 [ 2566.945165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.945165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.945165][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.945165][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.945165][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.945165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.945165][ T10] [ 2566.946958][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2566.946958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2566.946958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2566.946958][ T10] ipv6_find_idev+0x102/0x170 [ 2566.946958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.946958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.946958][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.946958][ T10] netlink_unicast+0x449/0x710 [ 2566.946958][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.946958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.946958][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.946958][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.946958][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.946958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.946958][ T10] [ 2566.948878][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2566.949204][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2566.949204][ T10] netdev_get_by_index+0x5e/0x80 [ 2566.949204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2566.949204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2566.949204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2566.949204][ T10] ipv6_add_addr+0x411/0x2000 [ 2566.949204][ T10] inet6_addr_add+0x30e/0xa40 [ 2566.949204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2566.949204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.949204][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.949204][ T10] netlink_unicast+0x449/0x710 [ 2566.949204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.949204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.949204][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.949204][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.949204][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.949204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.949204][ T10] [ 2566.951502][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2566.951502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2566.951502][ T10] ipv6_find_idev+0x102/0x170 [ 2566.951502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.951502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.951502][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.951502][ T10] netlink_unicast+0x449/0x710 [ 2566.951502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.951502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.951502][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.951502][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.951502][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.951502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.951502][ T10] [ 2566.953242][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2566.953242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2566.953242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2566.953242][ T10] ipv6_find_idev+0x102/0x170 [ 2566.953242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.953242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.953242][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.953242][ T10] netlink_unicast+0x449/0x710 [ 2566.953242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.953242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.953242][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.953242][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.953242][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.953242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.953242][ T10] [ 2566.955373][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2566.955670][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2566.955670][ T10] netdev_get_by_index+0x5e/0x80 [ 2566.955670][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2566.955670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2566.955670][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2566.955670][ T10] ipv6_add_addr+0x411/0x2000 [ 2566.955670][ T10] inet6_addr_add+0x30e/0xa40 [ 2566.955670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2566.955670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.955670][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.955670][ T10] netlink_unicast+0x449/0x710 [ 2566.955670][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.955670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.955670][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.955670][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.955670][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.955670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.955670][ T10] [ 2566.958112][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2566.958112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2566.958112][ T10] ipv6_find_idev+0x102/0x170 [ 2566.958112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.958112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.958112][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.958112][ T10] netlink_unicast+0x449/0x710 [ 2566.958112][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.958112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.958112][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.958112][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.958112][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.958112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.958112][ T10] [ 2566.959973][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2566.959973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2566.959973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2566.959973][ T10] ipv6_find_idev+0x102/0x170 [ 2566.959973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.959973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.959973][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.959973][ T10] netlink_unicast+0x449/0x710 [ 2566.959973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.959973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.959973][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.959973][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.959973][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.959973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.959973][ T10] [ 2566.962498][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2566.962789][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2566.962789][ T10] netdev_get_by_index+0x5e/0x80 [ 2566.962789][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2566.962789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2566.962789][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2566.962789][ T10] ipv6_add_addr+0x411/0x2000 [ 2566.962789][ T10] inet6_addr_add+0x30e/0xa40 [ 2566.962789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2566.962789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.962789][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.962789][ T10] netlink_unicast+0x449/0x710 [ 2566.962789][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.962789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.962789][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.962789][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.962789][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.962789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.962789][ T10] [ 2566.965068][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2566.965068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2566.965068][ T10] ipv6_find_idev+0x102/0x170 [ 2566.965068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.965068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.965068][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.965068][ T10] netlink_unicast+0x449/0x710 [ 2566.965068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.965068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.965068][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.965068][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.965068][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.965068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.965068][ T10] [ 2566.967031][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2566.967031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2566.967031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2566.967031][ T10] ipv6_find_idev+0x102/0x170 [ 2566.967031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.967031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.967031][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.967031][ T10] netlink_unicast+0x449/0x710 [ 2566.967031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.967031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.967031][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.967031][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.967031][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.967031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.967031][ T10] [ 2566.969268][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2566.969643][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2566.969643][ T10] netdev_get_by_index+0x5e/0x80 [ 2566.969643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2566.969643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2566.969643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2566.969643][ T10] ipv6_add_addr+0x411/0x2000 [ 2566.969643][ T10] inet6_addr_add+0x30e/0xa40 [ 2566.969643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2566.969643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.969643][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.969643][ T10] netlink_unicast+0x449/0x710 [ 2566.969643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.969643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.969643][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.969643][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.969643][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.969643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.969643][ T10] [ 2566.971892][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2566.971892][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2566.971892][ T10] ipv6_find_idev+0x102/0x170 [ 2566.971892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.971892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.971892][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.971892][ T10] netlink_unicast+0x449/0x710 [ 2566.971892][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.971892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.971892][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.971892][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.971892][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.971892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.971892][ T10] [ 2566.973637][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2566.973637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2566.973637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2566.973637][ T10] ipv6_find_idev+0x102/0x170 [ 2566.973637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.973637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.973637][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.973637][ T10] netlink_unicast+0x449/0x710 [ 2566.973637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.973637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.973637][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.973637][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.973637][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.973637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.973637][ T10] [ 2566.975753][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2566.976061][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2566.976061][ T10] netdev_get_by_index+0x5e/0x80 [ 2566.976061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2566.976061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2566.976061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2566.976061][ T10] ipv6_add_addr+0x411/0x2000 [ 2566.976061][ T10] inet6_addr_add+0x30e/0xa40 [ 2566.976061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2566.976061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.976061][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.976061][ T10] netlink_unicast+0x449/0x710 [ 2566.976061][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.976061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.976061][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.976061][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.976061][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.976061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.976061][ T10] [ 2566.978678][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2566.978678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2566.978678][ T10] ipv6_find_idev+0x102/0x170 [ 2566.978678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.978678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.978678][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.978678][ T10] netlink_unicast+0x449/0x710 [ 2566.978678][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.978678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.978678][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.978678][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.978678][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.978678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.978678][ T10] [ 2566.980549][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2566.980549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2566.980549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2566.980549][ T10] ipv6_find_idev+0x102/0x170 [ 2566.980549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.980549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.980549][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.980549][ T10] netlink_unicast+0x449/0x710 [ 2566.980549][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.980549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.980549][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.980549][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.980549][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.980549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.980549][ T10] [ 2566.982707][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2566.983000][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2566.983000][ T10] netdev_get_by_index+0x5e/0x80 [ 2566.983000][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2566.983000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2566.983000][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2566.983000][ T10] ipv6_add_addr+0x411/0x2000 [ 2566.983000][ T10] inet6_addr_add+0x30e/0xa40 [ 2566.983000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2566.983000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.983000][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.983000][ T10] netlink_unicast+0x449/0x710 [ 2566.983000][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.983000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.983000][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.983000][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.983000][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.983000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.983000][ T10] [ 2566.985292][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2566.985292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2566.985292][ T10] ipv6_find_idev+0x102/0x170 [ 2566.985292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.985292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.985292][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.985292][ T10] netlink_unicast+0x449/0x710 [ 2566.985292][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.985292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.985292][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.985292][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.985292][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.985292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.985292][ T10] [ 2566.987208][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2566.987208][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2566.987208][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2566.987208][ T10] ipv6_find_idev+0x102/0x170 [ 2566.987208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2566.987208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2566.987208][ T10] netlink_rcv_skb+0x130/0x360 [ 2566.987208][ T10] netlink_unicast+0x449/0x710 [ 2566.987208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2566.987208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2566.987208][ T10] ___sys_sendmsg+0xee/0x170 [ 2566.987208][ T10] __sys_sendmsg+0xcd/0x170 [ 2566.987208][ T10] do_syscall_64+0xc6/0x1e0 [ 2566.987208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2566.987208][ T10] [ 2577.128266][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2577.128675][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2577.128675][ T10] netdev_get_by_index+0x5e/0x80 [ 2577.128675][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2577.128675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2577.128675][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2577.128675][ T10] ipv6_add_addr+0x411/0x2000 [ 2577.128675][ T10] inet6_addr_add+0x30e/0xa40 [ 2577.128675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.128675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.128675][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.128675][ T10] netlink_unicast+0x449/0x710 [ 2577.128675][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.128675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.128675][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.128675][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.128675][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.128675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.128675][ T10] [ 2577.130820][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2577.130820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2577.130820][ T10] ipv6_find_idev+0x102/0x170 [ 2577.130820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.130820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.130820][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.130820][ T10] netlink_unicast+0x449/0x710 [ 2577.130820][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.130820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.130820][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.130820][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.130820][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.130820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.130820][ T10] [ 2577.132489][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2577.132489][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2577.132489][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2577.132489][ T10] ipv6_find_idev+0x102/0x170 [ 2577.132489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.132489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.132489][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.132489][ T10] netlink_unicast+0x449/0x710 [ 2577.132489][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.132489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.132489][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.132489][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.132489][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.132489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.132489][ T10] [ 2577.134322][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2577.134605][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2577.134605][ T10] netdev_get_by_index+0x5e/0x80 [ 2577.134605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2577.134605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2577.134605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2577.134605][ T10] ipv6_add_addr+0x411/0x2000 [ 2577.134605][ T10] inet6_addr_add+0x30e/0xa40 [ 2577.134605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.134605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.134605][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.134605][ T10] netlink_unicast+0x449/0x710 [ 2577.134605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.134605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.134605][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.134605][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.134605][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.134605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.134605][ T10] [ 2577.136756][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2577.136756][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2577.136756][ T10] ipv6_find_idev+0x102/0x170 [ 2577.136756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.136756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.136756][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.136756][ T10] netlink_unicast+0x449/0x710 [ 2577.136756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.136756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.136756][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.136756][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.136756][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.136756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.136756][ T10] [ 2577.138380][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2577.138380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2577.138380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2577.138380][ T10] ipv6_find_idev+0x102/0x170 [ 2577.138380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.138380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.138380][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.138380][ T10] netlink_unicast+0x449/0x710 [ 2577.138380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.138380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.138380][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.138380][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.138380][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.138380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.138380][ T10] [ 2577.140299][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2577.140660][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2577.140660][ T10] netdev_get_by_index+0x5e/0x80 [ 2577.140660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2577.140660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2577.140660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2577.140660][ T10] ipv6_add_addr+0x411/0x2000 [ 2577.140660][ T10] inet6_addr_add+0x30e/0xa40 [ 2577.140660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.140660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.140660][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.140660][ T10] netlink_unicast+0x449/0x710 [ 2577.140660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.140660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.140660][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.140660][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.140660][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.140660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.140660][ T10] [ 2577.142820][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2577.142820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2577.142820][ T10] ipv6_find_idev+0x102/0x170 [ 2577.142820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.142820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.142820][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.142820][ T10] netlink_unicast+0x449/0x710 [ 2577.142820][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.142820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.142820][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.142820][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.142820][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.142820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.142820][ T10] [ 2577.144621][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2577.144621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2577.144621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2577.144621][ T10] ipv6_find_idev+0x102/0x170 [ 2577.144621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.144621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.144621][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.144621][ T10] netlink_unicast+0x449/0x710 [ 2577.144621][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.144621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.144621][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.144621][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.144621][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.144621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.144621][ T10] [ 2577.146560][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2577.146874][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2577.146874][ T10] netdev_get_by_index+0x5e/0x80 [ 2577.146874][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2577.146874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2577.146874][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2577.146874][ T10] ipv6_add_addr+0x411/0x2000 [ 2577.146874][ T10] inet6_addr_add+0x30e/0xa40 [ 2577.146874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.146874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.146874][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.146874][ T10] netlink_unicast+0x449/0x710 [ 2577.146874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.146874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.146874][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.146874][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.146874][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.146874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.146874][ T10] [ 2577.149086][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2577.149086][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2577.149086][ T10] ipv6_find_idev+0x102/0x170 [ 2577.149086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.149086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.149086][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.149086][ T10] netlink_unicast+0x449/0x710 [ 2577.149086][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.149086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.149086][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.149086][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.149086][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.149086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.149086][ T10] [ 2577.150862][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2577.150862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2577.150862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2577.150862][ T10] ipv6_find_idev+0x102/0x170 [ 2577.150862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.150862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.150862][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.150862][ T10] netlink_unicast+0x449/0x710 [ 2577.150862][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.150862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.150862][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.150862][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.150862][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.150862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.150862][ T10] [ 2577.152814][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2577.153253][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2577.153253][ T10] netdev_get_by_index+0x5e/0x80 [ 2577.153253][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2577.153253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2577.153253][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2577.153253][ T10] ipv6_add_addr+0x411/0x2000 [ 2577.153253][ T10] inet6_addr_add+0x30e/0xa40 [ 2577.153253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.153253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.153253][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.153253][ T10] netlink_unicast+0x449/0x710 [ 2577.153253][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.153253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.153253][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.153253][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.153253][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.153253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.153253][ T10] [ 2577.155421][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2577.155421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2577.155421][ T10] ipv6_find_idev+0x102/0x170 [ 2577.155421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.155421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.155421][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.155421][ T10] netlink_unicast+0x449/0x710 [ 2577.155421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.155421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.155421][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.155421][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.155421][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.155421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.155421][ T10] [ 2577.157126][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2577.157126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2577.157126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2577.157126][ T10] ipv6_find_idev+0x102/0x170 [ 2577.157126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.157126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.157126][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.157126][ T10] netlink_unicast+0x449/0x710 [ 2577.157126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.157126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.157126][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.157126][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.157126][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.157126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.157126][ T10] [ 2577.159090][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2577.159537][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2577.159537][ T10] netdev_get_by_index+0x5e/0x80 [ 2577.159537][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2577.159537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2577.159537][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2577.159537][ T10] ipv6_add_addr+0x411/0x2000 [ 2577.159537][ T10] inet6_addr_add+0x30e/0xa40 [ 2577.159537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.159537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.159537][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.159537][ T10] netlink_unicast+0x449/0x710 [ 2577.159537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.159537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.159537][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.159537][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.159537][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.159537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.159537][ T10] [ 2577.161788][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2577.161788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2577.161788][ T10] ipv6_find_idev+0x102/0x170 [ 2577.161788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.161788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.161788][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.161788][ T10] netlink_unicast+0x449/0x710 [ 2577.161788][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.161788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.161788][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.161788][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.161788][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.161788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.161788][ T10] [ 2577.163397][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2577.163397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2577.163397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2577.163397][ T10] ipv6_find_idev+0x102/0x170 [ 2577.163397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.163397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.163397][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.163397][ T10] netlink_unicast+0x449/0x710 [ 2577.163397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.163397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.163397][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.163397][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.163397][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.163397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.163397][ T10] [ 2577.165175][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2577.165495][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2577.165495][ T10] netdev_get_by_index+0x5e/0x80 [ 2577.165495][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2577.165495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2577.165495][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2577.165495][ T10] ipv6_add_addr+0x411/0x2000 [ 2577.165495][ T10] inet6_addr_add+0x30e/0xa40 [ 2577.165495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.165495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.165495][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.165495][ T10] netlink_unicast+0x449/0x710 [ 2577.165495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.165495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.165495][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.165495][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.165495][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.165495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.165495][ T10] [ 2577.167578][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2577.167578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2577.167578][ T10] ipv6_find_idev+0x102/0x170 [ 2577.167578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.167578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.167578][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.167578][ T10] netlink_unicast+0x449/0x710 [ 2577.167578][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.167578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.167578][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.167578][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.167578][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.167578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.167578][ T10] [ 2577.169224][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2577.169224][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2577.169224][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2577.169224][ T10] ipv6_find_idev+0x102/0x170 [ 2577.169224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.169224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.169224][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.169224][ T10] netlink_unicast+0x449/0x710 [ 2577.169224][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.169224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.169224][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.169224][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.169224][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.169224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.169224][ T10] [ 2577.171143][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2577.171469][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2577.171469][ T10] netdev_get_by_index+0x5e/0x80 [ 2577.171469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2577.171469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2577.171469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2577.171469][ T10] ipv6_add_addr+0x411/0x2000 [ 2577.171469][ T10] inet6_addr_add+0x30e/0xa40 [ 2577.171469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.171469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.171469][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.171469][ T10] netlink_unicast+0x449/0x710 [ 2577.171469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.171469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.171469][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.171469][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.171469][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.171469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.171469][ T10] [ 2577.173681][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2577.173681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2577.173681][ T10] ipv6_find_idev+0x102/0x170 [ 2577.173681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.173681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.173681][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.173681][ T10] netlink_unicast+0x449/0x710 [ 2577.173681][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.173681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.173681][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.173681][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.173681][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.173681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.173681][ T10] [ 2577.175318][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2577.175318][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2577.175318][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2577.175318][ T10] ipv6_find_idev+0x102/0x170 [ 2577.175318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.175318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.175318][ T10] netlink_rcv_skb+0x130/0x360 [ 2577.175318][ T10] netlink_unicast+0x449/0x710 [ 2577.175318][ T10] netlink_sendmsg+0x723/0xbe0 [ 2577.175318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2577.175318][ T10] ___sys_sendmsg+0xee/0x170 [ 2577.175318][ T10] __sys_sendmsg+0xcd/0x170 [ 2577.175318][ T10] do_syscall_64+0xc6/0x1e0 [ 2577.175318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.175318][ T10] [ 2587.376911][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2587.377256][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2587.377256][ T10] netdev_get_by_index+0x5e/0x80 [ 2587.377256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2587.377256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2587.377256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2587.377256][ T10] ipv6_add_addr+0x411/0x2000 [ 2587.377256][ T10] inet6_addr_add+0x30e/0xa40 [ 2587.377256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.377256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.377256][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.377256][ T10] netlink_unicast+0x449/0x710 [ 2587.377256][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.377256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.377256][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.377256][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.377256][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.377256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.377256][ T10] [ 2587.379248][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2587.379248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2587.379248][ T10] ipv6_find_idev+0x102/0x170 [ 2587.379248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.379248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.379248][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.379248][ T10] netlink_unicast+0x449/0x710 [ 2587.379248][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.379248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.379248][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.379248][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.379248][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.379248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.379248][ T10] [ 2587.380775][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2587.380775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2587.380775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2587.380775][ T10] ipv6_find_idev+0x102/0x170 [ 2587.380775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.380775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.380775][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.380775][ T10] netlink_unicast+0x449/0x710 [ 2587.380775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.380775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.380775][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.380775][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.380775][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.380775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.380775][ T10] [ 2587.382507][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2587.382786][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2587.382786][ T10] netdev_get_by_index+0x5e/0x80 [ 2587.382786][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2587.382786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2587.382786][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2587.382786][ T10] ipv6_add_addr+0x411/0x2000 [ 2587.382786][ T10] inet6_addr_add+0x30e/0xa40 [ 2587.382786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.382786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.382786][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.382786][ T10] netlink_unicast+0x449/0x710 [ 2587.382786][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.382786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.382786][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.382786][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.382786][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.382786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.382786][ T10] [ 2587.384847][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2587.384847][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2587.384847][ T10] ipv6_find_idev+0x102/0x170 [ 2587.384847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.384847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.384847][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.384847][ T10] netlink_unicast+0x449/0x710 [ 2587.384847][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.384847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.384847][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.384847][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.384847][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.384847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.384847][ T10] [ 2587.386432][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2587.386432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2587.386432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2587.386432][ T10] ipv6_find_idev+0x102/0x170 [ 2587.386432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.386432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.386432][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.386432][ T10] netlink_unicast+0x449/0x710 [ 2587.386432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.386432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.386432][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.386432][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.386432][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.386432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.386432][ T10] [ 2587.388217][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2587.388499][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2587.388499][ T10] netdev_get_by_index+0x5e/0x80 [ 2587.388499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2587.388499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2587.388499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2587.388499][ T10] ipv6_add_addr+0x411/0x2000 [ 2587.388499][ T10] inet6_addr_add+0x30e/0xa40 [ 2587.388499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.388499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.388499][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.388499][ T10] netlink_unicast+0x449/0x710 [ 2587.388499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.388499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.388499][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.388499][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.388499][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.388499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.388499][ T10] [ 2587.390687][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2587.390687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2587.390687][ T10] ipv6_find_idev+0x102/0x170 [ 2587.390687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.390687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.390687][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.390687][ T10] netlink_unicast+0x449/0x710 [ 2587.390687][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.390687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.390687][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.390687][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.390687][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.390687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.390687][ T10] [ 2587.392396][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2587.392396][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2587.392396][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2587.392396][ T10] ipv6_find_idev+0x102/0x170 [ 2587.392396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.392396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.392396][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.392396][ T10] netlink_unicast+0x449/0x710 [ 2587.392396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.392396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.392396][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.392396][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.392396][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.392396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.392396][ T10] [ 2587.394462][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2587.394729][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2587.394729][ T10] netdev_get_by_index+0x5e/0x80 [ 2587.394729][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2587.394729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2587.394729][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2587.394729][ T10] ipv6_add_addr+0x411/0x2000 [ 2587.394729][ T10] inet6_addr_add+0x30e/0xa40 [ 2587.394729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.394729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.394729][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.394729][ T10] netlink_unicast+0x449/0x710 [ 2587.394729][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.394729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.394729][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.394729][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.394729][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.394729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.394729][ T10] [ 2587.397091][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2587.397091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2587.397091][ T10] ipv6_find_idev+0x102/0x170 [ 2587.397091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.397091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.397091][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.397091][ T10] netlink_unicast+0x449/0x710 [ 2587.397091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.397091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.397091][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.397091][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.397091][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.397091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.397091][ T10] [ 2587.398864][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2587.398864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2587.398864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2587.398864][ T10] ipv6_find_idev+0x102/0x170 [ 2587.398864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.398864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.398864][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.398864][ T10] netlink_unicast+0x449/0x710 [ 2587.398864][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.398864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.398864][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.398864][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.398864][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.398864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.398864][ T10] [ 2587.400985][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2587.401332][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2587.401332][ T10] netdev_get_by_index+0x5e/0x80 [ 2587.401332][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2587.401332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2587.401332][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2587.401332][ T10] ipv6_add_addr+0x411/0x2000 [ 2587.401332][ T10] inet6_addr_add+0x30e/0xa40 [ 2587.401332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.401332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.401332][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.401332][ T10] netlink_unicast+0x449/0x710 [ 2587.401332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.401332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.401332][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.401332][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.401332][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.401332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.401332][ T10] [ 2587.403511][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2587.403511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2587.403511][ T10] ipv6_find_idev+0x102/0x170 [ 2587.403511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.403511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.403511][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.403511][ T10] netlink_unicast+0x449/0x710 [ 2587.403511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.403511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.403511][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.403511][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.403511][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.403511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.403511][ T10] [ 2587.405247][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2587.405247][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2587.405247][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2587.405247][ T10] ipv6_find_idev+0x102/0x170 [ 2587.405247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.405247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.405247][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.405247][ T10] netlink_unicast+0x449/0x710 [ 2587.405247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.405247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.405247][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.405247][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.405247][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.405247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.405247][ T10] [ 2587.407211][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2587.407478][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2587.407478][ T10] netdev_get_by_index+0x5e/0x80 [ 2587.407478][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2587.407478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2587.407478][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2587.407478][ T10] ipv6_add_addr+0x411/0x2000 [ 2587.407478][ T10] inet6_addr_add+0x30e/0xa40 [ 2587.407478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.407478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.407478][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.407478][ T10] netlink_unicast+0x449/0x710 [ 2587.407478][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.407478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.407478][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.407478][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.407478][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.407478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.407478][ T10] [ 2587.409642][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2587.409642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2587.409642][ T10] ipv6_find_idev+0x102/0x170 [ 2587.409642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.409642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.409642][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.409642][ T10] netlink_unicast+0x449/0x710 [ 2587.409642][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.409642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.409642][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.409642][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.409642][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.409642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.409642][ T10] [ 2587.411157][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2587.411157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2587.411157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2587.411157][ T10] ipv6_find_idev+0x102/0x170 [ 2587.411157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.411157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.411157][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.411157][ T10] netlink_unicast+0x449/0x710 [ 2587.411157][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.411157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.411157][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.411157][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.411157][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.411157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.411157][ T10] [ 2587.413111][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2587.413377][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2587.413377][ T10] netdev_get_by_index+0x5e/0x80 [ 2587.413377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2587.413377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2587.413377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2587.413377][ T10] ipv6_add_addr+0x411/0x2000 [ 2587.413377][ T10] inet6_addr_add+0x30e/0xa40 [ 2587.413377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.413377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.413377][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.413377][ T10] netlink_unicast+0x449/0x710 [ 2587.413377][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.413377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.413377][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.413377][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.413377][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.413377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.413377][ T10] [ 2587.415631][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2587.415631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2587.415631][ T10] ipv6_find_idev+0x102/0x170 [ 2587.415631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.415631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.415631][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.415631][ T10] netlink_unicast+0x449/0x710 [ 2587.415631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.415631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.415631][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.415631][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.415631][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.415631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.415631][ T10] [ 2587.417336][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2587.417336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2587.417336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2587.417336][ T10] ipv6_find_idev+0x102/0x170 [ 2587.417336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.417336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.417336][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.417336][ T10] netlink_unicast+0x449/0x710 [ 2587.417336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.417336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.417336][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.417336][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.417336][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.417336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.417336][ T10] [ 2587.419197][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2587.419461][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2587.419461][ T10] netdev_get_by_index+0x5e/0x80 [ 2587.419461][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2587.419461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2587.419461][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2587.419461][ T10] ipv6_add_addr+0x411/0x2000 [ 2587.419461][ T10] inet6_addr_add+0x30e/0xa40 [ 2587.419461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.419461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.419461][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.419461][ T10] netlink_unicast+0x449/0x710 [ 2587.419461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.419461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.419461][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.419461][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.419461][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.419461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.419461][ T10] [ 2587.421610][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2587.421610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2587.421610][ T10] ipv6_find_idev+0x102/0x170 [ 2587.421610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.421610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.421610][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.421610][ T10] netlink_unicast+0x449/0x710 [ 2587.421610][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.421610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.421610][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.421610][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.421610][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.421610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.421610][ T10] [ 2587.423228][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2587.423228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2587.423228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2587.423228][ T10] ipv6_find_idev+0x102/0x170 [ 2587.423228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.423228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.423228][ T10] netlink_rcv_skb+0x130/0x360 [ 2587.423228][ T10] netlink_unicast+0x449/0x710 [ 2587.423228][ T10] netlink_sendmsg+0x723/0xbe0 [ 2587.423228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2587.423228][ T10] ___sys_sendmsg+0xee/0x170 [ 2587.423228][ T10] __sys_sendmsg+0xcd/0x170 [ 2587.423228][ T10] do_syscall_64+0xc6/0x1e0 [ 2587.423228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.423228][ T10] [ 2597.536132][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2597.536447][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2597.536447][ T10] netdev_get_by_index+0x5e/0x80 [ 2597.536447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2597.536447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2597.536447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2597.536447][ T10] ipv6_add_addr+0x411/0x2000 [ 2597.536447][ T10] inet6_addr_add+0x30e/0xa40 [ 2597.536447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.536447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.536447][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.536447][ T10] netlink_unicast+0x449/0x710 [ 2597.536447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.536447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.536447][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.536447][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.536447][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.536447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.536447][ T10] [ 2597.538442][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2597.538442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2597.538442][ T10] ipv6_find_idev+0x102/0x170 [ 2597.538442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.538442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.538442][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.538442][ T10] netlink_unicast+0x449/0x710 [ 2597.538442][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.538442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.538442][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.538442][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.538442][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.538442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.538442][ T10] [ 2597.540011][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2597.540011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2597.540011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2597.540011][ T10] ipv6_find_idev+0x102/0x170 [ 2597.540011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.540011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.540011][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.540011][ T10] netlink_unicast+0x449/0x710 [ 2597.540011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.540011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.540011][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.540011][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.540011][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.540011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.540011][ T10] [ 2597.542019][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2597.542299][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2597.542299][ T10] netdev_get_by_index+0x5e/0x80 [ 2597.542299][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2597.542299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2597.542299][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2597.542299][ T10] ipv6_add_addr+0x411/0x2000 [ 2597.542299][ T10] inet6_addr_add+0x30e/0xa40 [ 2597.542299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.542299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.542299][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.542299][ T10] netlink_unicast+0x449/0x710 [ 2597.542299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.542299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.542299][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.542299][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.542299][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.542299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.542299][ T10] [ 2597.544302][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2597.544302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2597.544302][ T10] ipv6_find_idev+0x102/0x170 [ 2597.544302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.544302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.544302][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.544302][ T10] netlink_unicast+0x449/0x710 [ 2597.544302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.544302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.544302][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.544302][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.544302][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.544302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.544302][ T10] [ 2597.545838][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2597.545838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2597.545838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2597.545838][ T10] ipv6_find_idev+0x102/0x170 [ 2597.545838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.545838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.545838][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.545838][ T10] netlink_unicast+0x449/0x710 [ 2597.545838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.545838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.545838][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.545838][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.545838][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.545838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.545838][ T10] [ 2597.547515][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2597.547793][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2597.547793][ T10] netdev_get_by_index+0x5e/0x80 [ 2597.547793][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2597.547793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2597.547793][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2597.547793][ T10] ipv6_add_addr+0x411/0x2000 [ 2597.547793][ T10] inet6_addr_add+0x30e/0xa40 [ 2597.547793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.547793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.547793][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.547793][ T10] netlink_unicast+0x449/0x710 [ 2597.547793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.547793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.547793][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.547793][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.547793][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.547793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.547793][ T10] [ 2597.549924][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2597.549924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2597.549924][ T10] ipv6_find_idev+0x102/0x170 [ 2597.549924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.549924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.549924][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.549924][ T10] netlink_unicast+0x449/0x710 [ 2597.549924][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.549924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.549924][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.549924][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.549924][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.549924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.549924][ T10] [ 2597.551647][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2597.551647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2597.551647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2597.551647][ T10] ipv6_find_idev+0x102/0x170 [ 2597.551647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.551647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.551647][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.551647][ T10] netlink_unicast+0x449/0x710 [ 2597.551647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.551647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.551647][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.551647][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.551647][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.551647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.551647][ T10] [ 2597.553942][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2597.554282][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2597.554282][ T10] netdev_get_by_index+0x5e/0x80 [ 2597.554282][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2597.554282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2597.554282][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2597.554282][ T10] ipv6_add_addr+0x411/0x2000 [ 2597.554282][ T10] inet6_addr_add+0x30e/0xa40 [ 2597.554282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.554282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.554282][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.554282][ T10] netlink_unicast+0x449/0x710 [ 2597.554282][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.554282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.554282][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.554282][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.554282][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.554282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.554282][ T10] [ 2597.556280][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2597.556280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2597.556280][ T10] ipv6_find_idev+0x102/0x170 [ 2597.556280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.556280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.556280][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.556280][ T10] netlink_unicast+0x449/0x710 [ 2597.556280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.556280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.556280][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.556280][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.556280][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.556280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.556280][ T10] [ 2597.558037][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2597.558037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2597.558037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2597.558037][ T10] ipv6_find_idev+0x102/0x170 [ 2597.558037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.558037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.558037][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.558037][ T10] netlink_unicast+0x449/0x710 [ 2597.558037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.558037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.558037][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.558037][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.558037][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.558037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.558037][ T10] [ 2597.559910][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2597.560234][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2597.560234][ T10] netdev_get_by_index+0x5e/0x80 [ 2597.560234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2597.560234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2597.560234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2597.560234][ T10] ipv6_add_addr+0x411/0x2000 [ 2597.560234][ T10] inet6_addr_add+0x30e/0xa40 [ 2597.560234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.560234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.560234][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.560234][ T10] netlink_unicast+0x449/0x710 [ 2597.560234][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.560234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.560234][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.560234][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.560234][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.560234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.560234][ T10] [ 2597.562347][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2597.562347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2597.562347][ T10] ipv6_find_idev+0x102/0x170 [ 2597.562347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.562347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.562347][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.562347][ T10] netlink_unicast+0x449/0x710 [ 2597.562347][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.562347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.562347][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.562347][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.562347][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.562347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.562347][ T10] [ 2597.564302][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2597.564302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2597.564302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2597.564302][ T10] ipv6_find_idev+0x102/0x170 [ 2597.564302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.564302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.564302][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.564302][ T10] netlink_unicast+0x449/0x710 [ 2597.564302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.564302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.564302][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.564302][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.564302][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.564302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.564302][ T10] [ 2597.566155][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2597.566418][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2597.566418][ T10] netdev_get_by_index+0x5e/0x80 [ 2597.566418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2597.566418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2597.566418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2597.566418][ T10] ipv6_add_addr+0x411/0x2000 [ 2597.566418][ T10] inet6_addr_add+0x30e/0xa40 [ 2597.566418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.566418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.566418][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.566418][ T10] netlink_unicast+0x449/0x710 [ 2597.566418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.566418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.566418][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.566418][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.566418][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.566418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.566418][ T10] [ 2597.568653][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2597.568653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2597.568653][ T10] ipv6_find_idev+0x102/0x170 [ 2597.568653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.568653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.568653][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.568653][ T10] netlink_unicast+0x449/0x710 [ 2597.568653][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.568653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.568653][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.568653][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.568653][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.568653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.568653][ T10] [ 2597.570361][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2597.570361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2597.570361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2597.570361][ T10] ipv6_find_idev+0x102/0x170 [ 2597.570361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.570361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.570361][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.570361][ T10] netlink_unicast+0x449/0x710 [ 2597.570361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.570361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.570361][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.570361][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.570361][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.570361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.570361][ T10] [ 2597.572309][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2597.572595][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2597.572595][ T10] netdev_get_by_index+0x5e/0x80 [ 2597.572595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2597.572595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2597.572595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2597.572595][ T10] ipv6_add_addr+0x411/0x2000 [ 2597.572595][ T10] inet6_addr_add+0x30e/0xa40 [ 2597.572595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.572595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.572595][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.572595][ T10] netlink_unicast+0x449/0x710 [ 2597.572595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.572595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.572595][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.572595][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.572595][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.572595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.572595][ T10] [ 2597.574815][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2597.574815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2597.574815][ T10] ipv6_find_idev+0x102/0x170 [ 2597.574815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.574815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.574815][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.574815][ T10] netlink_unicast+0x449/0x710 [ 2597.574815][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.574815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.574815][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.574815][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.574815][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.574815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.574815][ T10] [ 2597.576460][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2597.576460][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2597.576460][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2597.576460][ T10] ipv6_find_idev+0x102/0x170 [ 2597.576460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.576460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.576460][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.576460][ T10] netlink_unicast+0x449/0x710 [ 2597.576460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.576460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.576460][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.576460][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.576460][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.576460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.576460][ T10] [ 2597.578427][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2597.578689][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2597.578689][ T10] netdev_get_by_index+0x5e/0x80 [ 2597.578689][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2597.578689][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2597.578689][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2597.578689][ T10] ipv6_add_addr+0x411/0x2000 [ 2597.578689][ T10] inet6_addr_add+0x30e/0xa40 [ 2597.578689][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.578689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.578689][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.578689][ T10] netlink_unicast+0x449/0x710 [ 2597.578689][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.578689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.578689][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.578689][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.578689][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.578689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.578689][ T10] [ 2597.580844][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2597.580844][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2597.580844][ T10] ipv6_find_idev+0x102/0x170 [ 2597.580844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.580844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.580844][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.580844][ T10] netlink_unicast+0x449/0x710 [ 2597.580844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.580844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.580844][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.580844][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.580844][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.580844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.580844][ T10] [ 2597.582630][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2597.582630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2597.582630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2597.582630][ T10] ipv6_find_idev+0x102/0x170 [ 2597.582630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.582630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.582630][ T10] netlink_rcv_skb+0x130/0x360 [ 2597.582630][ T10] netlink_unicast+0x449/0x710 [ 2597.582630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2597.582630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2597.582630][ T10] ___sys_sendmsg+0xee/0x170 [ 2597.582630][ T10] __sys_sendmsg+0xcd/0x170 [ 2597.582630][ T10] do_syscall_64+0xc6/0x1e0 [ 2597.582630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.582630][ T10] [ 2607.720216][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2607.720604][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2607.720604][ T10] netdev_get_by_index+0x5e/0x80 [ 2607.720604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2607.720604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2607.720604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2607.720604][ T10] ipv6_add_addr+0x411/0x2000 [ 2607.720604][ T10] inet6_addr_add+0x30e/0xa40 [ 2607.720604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.720604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.720604][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.720604][ T10] netlink_unicast+0x449/0x710 [ 2607.720604][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.720604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.720604][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.720604][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.720604][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.720604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.720604][ T10] [ 2607.722911][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2607.722911][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2607.722911][ T10] ipv6_find_idev+0x102/0x170 [ 2607.722911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.722911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.722911][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.722911][ T10] netlink_unicast+0x449/0x710 [ 2607.722911][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.722911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.722911][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.722911][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.722911][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.722911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.722911][ T10] [ 2607.724709][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2607.724709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2607.724709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2607.724709][ T10] ipv6_find_idev+0x102/0x170 [ 2607.724709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.724709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.724709][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.724709][ T10] netlink_unicast+0x449/0x710 [ 2607.724709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.724709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.724709][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.724709][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.724709][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.724709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.724709][ T10] [ 2607.726663][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2607.726968][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2607.726968][ T10] netdev_get_by_index+0x5e/0x80 [ 2607.726968][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2607.726968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2607.726968][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2607.726968][ T10] ipv6_add_addr+0x411/0x2000 [ 2607.726968][ T10] inet6_addr_add+0x30e/0xa40 [ 2607.726968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.726968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.726968][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.726968][ T10] netlink_unicast+0x449/0x710 [ 2607.726968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.726968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.726968][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.726968][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.726968][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.726968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.726968][ T10] [ 2607.729256][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2607.729256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2607.729256][ T10] ipv6_find_idev+0x102/0x170 [ 2607.729256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.729256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.729256][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.729256][ T10] netlink_unicast+0x449/0x710 [ 2607.729256][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.729256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.729256][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.729256][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.729256][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.729256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.729256][ T10] [ 2607.731215][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2607.731215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2607.731215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2607.731215][ T10] ipv6_find_idev+0x102/0x170 [ 2607.731215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.731215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.731215][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.731215][ T10] netlink_unicast+0x449/0x710 [ 2607.731215][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.731215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.731215][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.731215][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.731215][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.731215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.731215][ T10] [ 2607.733308][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2607.733601][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2607.733601][ T10] netdev_get_by_index+0x5e/0x80 [ 2607.733601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2607.733601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2607.733601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2607.733601][ T10] ipv6_add_addr+0x411/0x2000 [ 2607.733601][ T10] inet6_addr_add+0x30e/0xa40 [ 2607.733601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.733601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.733601][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.733601][ T10] netlink_unicast+0x449/0x710 [ 2607.733601][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.733601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.733601][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.733601][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.733601][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.733601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.733601][ T10] [ 2607.735978][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2607.735978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2607.735978][ T10] ipv6_find_idev+0x102/0x170 [ 2607.735978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.735978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.735978][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.735978][ T10] netlink_unicast+0x449/0x710 [ 2607.735978][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.735978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.735978][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.735978][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.735978][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.735978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.735978][ T10] [ 2607.737716][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2607.737716][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2607.737716][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2607.737716][ T10] ipv6_find_idev+0x102/0x170 [ 2607.737716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.737716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.737716][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.737716][ T10] netlink_unicast+0x449/0x710 [ 2607.737716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.737716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.737716][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.737716][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.737716][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.737716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.737716][ T10] [ 2607.739768][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2607.740064][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2607.740064][ T10] netdev_get_by_index+0x5e/0x80 [ 2607.740064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2607.740064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2607.740064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2607.740064][ T10] ipv6_add_addr+0x411/0x2000 [ 2607.740064][ T10] inet6_addr_add+0x30e/0xa40 [ 2607.740064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.740064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.740064][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.740064][ T10] netlink_unicast+0x449/0x710 [ 2607.740064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.740064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.740064][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.740064][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.740064][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.740064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.740064][ T10] [ 2607.742655][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2607.742655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2607.742655][ T10] ipv6_find_idev+0x102/0x170 [ 2607.742655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.742655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.742655][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.742655][ T10] netlink_unicast+0x449/0x710 [ 2607.742655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.742655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.742655][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.742655][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.742655][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.742655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.742655][ T10] [ 2607.744537][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2607.744537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2607.744537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2607.744537][ T10] ipv6_find_idev+0x102/0x170 [ 2607.744537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.744537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.744537][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.744537][ T10] netlink_unicast+0x449/0x710 [ 2607.744537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.744537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.744537][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.744537][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.744537][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.744537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.744537][ T10] [ 2607.746671][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2607.746975][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2607.746975][ T10] netdev_get_by_index+0x5e/0x80 [ 2607.746975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2607.746975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2607.746975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2607.746975][ T10] ipv6_add_addr+0x411/0x2000 [ 2607.746975][ T10] inet6_addr_add+0x30e/0xa40 [ 2607.746975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.746975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.746975][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.746975][ T10] netlink_unicast+0x449/0x710 [ 2607.746975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.746975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.746975][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.746975][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.746975][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.746975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.746975][ T10] [ 2607.749312][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2607.749312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2607.749312][ T10] ipv6_find_idev+0x102/0x170 [ 2607.749312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.749312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.749312][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.749312][ T10] netlink_unicast+0x449/0x710 [ 2607.749312][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.749312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.749312][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.749312][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.749312][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.749312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.749312][ T10] [ 2607.751053][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2607.751053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2607.751053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2607.751053][ T10] ipv6_find_idev+0x102/0x170 [ 2607.751053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.751053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.751053][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.751053][ T10] netlink_unicast+0x449/0x710 [ 2607.751053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.751053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.751053][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.751053][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.751053][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.751053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.751053][ T10] [ 2607.753535][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2607.753833][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2607.753833][ T10] netdev_get_by_index+0x5e/0x80 [ 2607.753833][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2607.753833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2607.753833][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2607.753833][ T10] ipv6_add_addr+0x411/0x2000 [ 2607.753833][ T10] inet6_addr_add+0x30e/0xa40 [ 2607.753833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.753833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.753833][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.753833][ T10] netlink_unicast+0x449/0x710 [ 2607.753833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.753833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.753833][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.753833][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.753833][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.753833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.753833][ T10] [ 2607.756081][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2607.756081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2607.756081][ T10] ipv6_find_idev+0x102/0x170 [ 2607.756081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.756081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.756081][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.756081][ T10] netlink_unicast+0x449/0x710 [ 2607.756081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.756081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.756081][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.756081][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.756081][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.756081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.756081][ T10] [ 2607.757888][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2607.757888][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2607.757888][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2607.757888][ T10] ipv6_find_idev+0x102/0x170 [ 2607.757888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.757888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.757888][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.757888][ T10] netlink_unicast+0x449/0x710 [ 2607.757888][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.757888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.757888][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.757888][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.757888][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.757888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.757888][ T10] [ 2607.759953][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2607.760305][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2607.760305][ T10] netdev_get_by_index+0x5e/0x80 [ 2607.760305][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2607.760305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2607.760305][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2607.760305][ T10] ipv6_add_addr+0x411/0x2000 [ 2607.760305][ T10] inet6_addr_add+0x30e/0xa40 [ 2607.760305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.760305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.760305][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.760305][ T10] netlink_unicast+0x449/0x710 [ 2607.760305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.760305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.760305][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.760305][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.760305][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.760305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.760305][ T10] [ 2607.762799][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2607.762799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2607.762799][ T10] ipv6_find_idev+0x102/0x170 [ 2607.762799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.762799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.762799][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.762799][ T10] netlink_unicast+0x449/0x710 [ 2607.762799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.762799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.762799][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.762799][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.762799][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.762799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.762799][ T10] [ 2607.764732][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2607.764732][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2607.764732][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2607.764732][ T10] ipv6_find_idev+0x102/0x170 [ 2607.764732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.764732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.764732][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.764732][ T10] netlink_unicast+0x449/0x710 [ 2607.764732][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.764732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.764732][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.764732][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.764732][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.764732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.764732][ T10] [ 2607.766939][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2607.767295][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2607.767295][ T10] netdev_get_by_index+0x5e/0x80 [ 2607.767295][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2607.767295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2607.767295][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2607.767295][ T10] ipv6_add_addr+0x411/0x2000 [ 2607.767295][ T10] inet6_addr_add+0x30e/0xa40 [ 2607.767295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.767295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.767295][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.767295][ T10] netlink_unicast+0x449/0x710 [ 2607.767295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.767295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.767295][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.767295][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.767295][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.767295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.767295][ T10] [ 2607.769587][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2607.769587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2607.769587][ T10] ipv6_find_idev+0x102/0x170 [ 2607.769587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.769587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.769587][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.769587][ T10] netlink_unicast+0x449/0x710 [ 2607.769587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.769587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.769587][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.769587][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.769587][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.769587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.769587][ T10] [ 2607.771333][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2607.771333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2607.771333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2607.771333][ T10] ipv6_find_idev+0x102/0x170 [ 2607.771333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.771333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.771333][ T10] netlink_rcv_skb+0x130/0x360 [ 2607.771333][ T10] netlink_unicast+0x449/0x710 [ 2607.771333][ T10] netlink_sendmsg+0x723/0xbe0 [ 2607.771333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2607.771333][ T10] ___sys_sendmsg+0xee/0x170 [ 2607.771333][ T10] __sys_sendmsg+0xcd/0x170 [ 2607.771333][ T10] do_syscall_64+0xc6/0x1e0 [ 2607.771333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.771333][ T10] [ 2617.928120][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2617.928491][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2617.928491][ T10] netdev_get_by_index+0x5e/0x80 [ 2617.928491][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2617.928491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2617.928491][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2617.928491][ T10] ipv6_add_addr+0x411/0x2000 [ 2617.928491][ T10] inet6_addr_add+0x30e/0xa40 [ 2617.928491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2617.928491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.928491][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.928491][ T10] netlink_unicast+0x449/0x710 [ 2617.928491][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.928491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.928491][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.928491][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.928491][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.928491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.928491][ T10] [ 2617.930570][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2617.930570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2617.930570][ T10] ipv6_find_idev+0x102/0x170 [ 2617.930570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.930570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.930570][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.930570][ T10] netlink_unicast+0x449/0x710 [ 2617.930570][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.930570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.930570][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.930570][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.930570][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.930570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.930570][ T10] [ 2617.932130][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2617.932130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2617.932130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2617.932130][ T10] ipv6_find_idev+0x102/0x170 [ 2617.932130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.932130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.932130][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.932130][ T10] netlink_unicast+0x449/0x710 [ 2617.932130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.932130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.932130][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.932130][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.932130][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.932130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.932130][ T10] [ 2617.933907][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2617.934205][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2617.934205][ T10] netdev_get_by_index+0x5e/0x80 [ 2617.934205][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2617.934205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2617.934205][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2617.934205][ T10] ipv6_add_addr+0x411/0x2000 [ 2617.934205][ T10] inet6_addr_add+0x30e/0xa40 [ 2617.934205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2617.934205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.934205][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.934205][ T10] netlink_unicast+0x449/0x710 [ 2617.934205][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.934205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.934205][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.934205][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.934205][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.934205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.934205][ T10] [ 2617.936176][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2617.936176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2617.936176][ T10] ipv6_find_idev+0x102/0x170 [ 2617.936176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.936176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.936176][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.936176][ T10] netlink_unicast+0x449/0x710 [ 2617.936176][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.936176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.936176][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.936176][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.936176][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.936176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.936176][ T10] [ 2617.937653][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2617.937653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2617.937653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2617.937653][ T10] ipv6_find_idev+0x102/0x170 [ 2617.937653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.937653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.937653][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.937653][ T10] netlink_unicast+0x449/0x710 [ 2617.937653][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.937653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.937653][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.937653][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.937653][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.937653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.937653][ T10] [ 2617.939325][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2617.939600][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2617.939600][ T10] netdev_get_by_index+0x5e/0x80 [ 2617.939600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2617.939600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2617.939600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2617.939600][ T10] ipv6_add_addr+0x411/0x2000 [ 2617.939600][ T10] inet6_addr_add+0x30e/0xa40 [ 2617.939600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2617.939600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.939600][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.939600][ T10] netlink_unicast+0x449/0x710 [ 2617.939600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.939600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.939600][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.939600][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.939600][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.939600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.939600][ T10] [ 2617.941577][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2617.941577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2617.941577][ T10] ipv6_find_idev+0x102/0x170 [ 2617.941577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.941577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.941577][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.941577][ T10] netlink_unicast+0x449/0x710 [ 2617.941577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.941577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.941577][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.941577][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.941577][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.941577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.941577][ T10] [ 2617.943107][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2617.943107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2617.943107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2617.943107][ T10] ipv6_find_idev+0x102/0x170 [ 2617.943107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.943107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.943107][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.943107][ T10] netlink_unicast+0x449/0x710 [ 2617.943107][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.943107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.943107][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.943107][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.943107][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.943107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.943107][ T10] [ 2617.944851][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2617.945166][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2617.945166][ T10] netdev_get_by_index+0x5e/0x80 [ 2617.945166][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2617.945166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2617.945166][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2617.945166][ T10] ipv6_add_addr+0x411/0x2000 [ 2617.945166][ T10] inet6_addr_add+0x30e/0xa40 [ 2617.945166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2617.945166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.945166][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.945166][ T10] netlink_unicast+0x449/0x710 [ 2617.945166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.945166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.945166][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.945166][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.945166][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.945166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.945166][ T10] [ 2617.947172][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2617.947172][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2617.947172][ T10] ipv6_find_idev+0x102/0x170 [ 2617.947172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.947172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.947172][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.947172][ T10] netlink_unicast+0x449/0x710 [ 2617.947172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.947172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.947172][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.947172][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.947172][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.947172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.947172][ T10] [ 2617.948760][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2617.948760][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2617.948760][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2617.948760][ T10] ipv6_find_idev+0x102/0x170 [ 2617.948760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.948760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.948760][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.948760][ T10] netlink_unicast+0x449/0x710 [ 2617.948760][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.948760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.948760][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.948760][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.948760][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.948760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.948760][ T10] [ 2617.950703][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2617.950983][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2617.950983][ T10] netdev_get_by_index+0x5e/0x80 [ 2617.950983][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2617.950983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2617.950983][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2617.950983][ T10] ipv6_add_addr+0x411/0x2000 [ 2617.950983][ T10] inet6_addr_add+0x30e/0xa40 [ 2617.950983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2617.950983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.950983][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.950983][ T10] netlink_unicast+0x449/0x710 [ 2617.950983][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.950983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.950983][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.950983][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.950983][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.950983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.950983][ T10] [ 2617.953127][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2617.953127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2617.953127][ T10] ipv6_find_idev+0x102/0x170 [ 2617.953127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.953127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.953127][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.953127][ T10] netlink_unicast+0x449/0x710 [ 2617.953127][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.953127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.953127][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.953127][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.953127][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.953127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.953127][ T10] [ 2617.954879][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2617.954879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2617.954879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2617.954879][ T10] ipv6_find_idev+0x102/0x170 [ 2617.954879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.954879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.954879][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.954879][ T10] netlink_unicast+0x449/0x710 [ 2617.954879][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.954879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.954879][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.954879][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.954879][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.954879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.954879][ T10] [ 2617.957131][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2617.957905][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2617.957905][ T10] netdev_get_by_index+0x5e/0x80 [ 2617.957905][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2617.957905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2617.957905][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2617.957905][ T10] ipv6_add_addr+0x411/0x2000 [ 2617.957905][ T10] inet6_addr_add+0x30e/0xa40 [ 2617.957905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2617.957905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.957905][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.957905][ T10] netlink_unicast+0x449/0x710 [ 2617.957905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.957905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.957905][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.957905][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.957905][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.957905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.957905][ T10] [ 2617.959914][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2617.959914][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2617.959914][ T10] ipv6_find_idev+0x102/0x170 [ 2617.959914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.959914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.959914][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.959914][ T10] netlink_unicast+0x449/0x710 [ 2617.959914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.959914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.959914][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.959914][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.959914][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.959914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.959914][ T10] [ 2617.961447][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2617.961447][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2617.961447][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2617.961447][ T10] ipv6_find_idev+0x102/0x170 [ 2617.961447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.961447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.961447][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.961447][ T10] netlink_unicast+0x449/0x710 [ 2617.961447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.961447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.961447][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.961447][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.961447][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.961447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.961447][ T10] [ 2617.963201][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2617.963474][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2617.963474][ T10] netdev_get_by_index+0x5e/0x80 [ 2617.963474][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2617.963474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2617.963474][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2617.963474][ T10] ipv6_add_addr+0x411/0x2000 [ 2617.963474][ T10] inet6_addr_add+0x30e/0xa40 [ 2617.963474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2617.963474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.963474][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.963474][ T10] netlink_unicast+0x449/0x710 [ 2617.963474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.963474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.963474][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.963474][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.963474][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.963474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.963474][ T10] [ 2617.965623][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2617.965623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2617.965623][ T10] ipv6_find_idev+0x102/0x170 [ 2617.965623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.965623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.965623][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.965623][ T10] netlink_unicast+0x449/0x710 [ 2617.965623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.965623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.965623][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.965623][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.965623][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.965623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.965623][ T10] [ 2617.967371][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2617.967371][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2617.967371][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2617.967371][ T10] ipv6_find_idev+0x102/0x170 [ 2617.967371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.967371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.967371][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.967371][ T10] netlink_unicast+0x449/0x710 [ 2617.967371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.967371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.967371][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.967371][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.967371][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.967371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.967371][ T10] [ 2617.969142][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2617.969418][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2617.969418][ T10] netdev_get_by_index+0x5e/0x80 [ 2617.969418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2617.969418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2617.969418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2617.969418][ T10] ipv6_add_addr+0x411/0x2000 [ 2617.969418][ T10] inet6_addr_add+0x30e/0xa40 [ 2617.969418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2617.969418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.969418][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.969418][ T10] netlink_unicast+0x449/0x710 [ 2617.969418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.969418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.969418][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.969418][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.969418][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.969418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.969418][ T10] [ 2617.971690][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2617.971690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2617.971690][ T10] ipv6_find_idev+0x102/0x170 [ 2617.971690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.971690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.971690][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.971690][ T10] netlink_unicast+0x449/0x710 [ 2617.971690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.971690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.971690][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.971690][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.971690][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.971690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.971690][ T10] [ 2617.973347][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2617.973347][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2617.973347][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2617.973347][ T10] ipv6_find_idev+0x102/0x170 [ 2617.973347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2617.973347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2617.973347][ T10] netlink_rcv_skb+0x130/0x360 [ 2617.973347][ T10] netlink_unicast+0x449/0x710 [ 2617.973347][ T10] netlink_sendmsg+0x723/0xbe0 [ 2617.973347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2617.973347][ T10] ___sys_sendmsg+0xee/0x170 [ 2617.973347][ T10] __sys_sendmsg+0xcd/0x170 [ 2617.973347][ T10] do_syscall_64+0xc6/0x1e0 [ 2617.973347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2617.973347][ T10] [ 2628.089118][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2628.089532][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2628.089532][ T10] netdev_get_by_index+0x5e/0x80 [ 2628.089532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2628.089532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2628.089532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2628.089532][ T10] ipv6_add_addr+0x411/0x2000 [ 2628.089532][ T10] inet6_addr_add+0x30e/0xa40 [ 2628.089532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.089532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.089532][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.089532][ T10] netlink_unicast+0x449/0x710 [ 2628.089532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.089532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.089532][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.089532][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.089532][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.089532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.089532][ T10] [ 2628.091563][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2628.091563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2628.091563][ T10] ipv6_find_idev+0x102/0x170 [ 2628.091563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.091563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.091563][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.091563][ T10] netlink_unicast+0x449/0x710 [ 2628.091563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.091563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.091563][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.091563][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.091563][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.091563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.091563][ T10] [ 2628.093114][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2628.093114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2628.093114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2628.093114][ T10] ipv6_find_idev+0x102/0x170 [ 2628.093114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.093114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.093114][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.093114][ T10] netlink_unicast+0x449/0x710 [ 2628.093114][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.093114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.093114][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.093114][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.093114][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.093114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.093114][ T10] [ 2628.094832][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2628.095106][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2628.095106][ T10] netdev_get_by_index+0x5e/0x80 [ 2628.095106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2628.095106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2628.095106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2628.095106][ T10] ipv6_add_addr+0x411/0x2000 [ 2628.095106][ T10] inet6_addr_add+0x30e/0xa40 [ 2628.095106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.095106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.095106][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.095106][ T10] netlink_unicast+0x449/0x710 [ 2628.095106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.095106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.095106][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.095106][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.095106][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.095106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.095106][ T10] [ 2628.097077][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2628.097077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2628.097077][ T10] ipv6_find_idev+0x102/0x170 [ 2628.097077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.097077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.097077][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.097077][ T10] netlink_unicast+0x449/0x710 [ 2628.097077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.097077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.097077][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.097077][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.097077][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.097077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.097077][ T10] [ 2628.098599][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2628.098599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2628.098599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2628.098599][ T10] ipv6_find_idev+0x102/0x170 [ 2628.098599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.098599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.098599][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.098599][ T10] netlink_unicast+0x449/0x710 [ 2628.098599][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.098599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.098599][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.098599][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.098599][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.098599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.098599][ T10] [ 2628.100282][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2628.100554][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2628.100554][ T10] netdev_get_by_index+0x5e/0x80 [ 2628.100554][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2628.100554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2628.100554][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2628.100554][ T10] ipv6_add_addr+0x411/0x2000 [ 2628.100554][ T10] inet6_addr_add+0x30e/0xa40 [ 2628.100554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.100554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.100554][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.100554][ T10] netlink_unicast+0x449/0x710 [ 2628.100554][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.100554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.100554][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.100554][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.100554][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.100554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.100554][ T10] [ 2628.102538][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2628.102538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2628.102538][ T10] ipv6_find_idev+0x102/0x170 [ 2628.102538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.102538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.102538][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.102538][ T10] netlink_unicast+0x449/0x710 [ 2628.102538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.102538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.102538][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.102538][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.102538][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.102538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.102538][ T10] [ 2628.104056][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2628.104056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2628.104056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2628.104056][ T10] ipv6_find_idev+0x102/0x170 [ 2628.104056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.104056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.104056][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.104056][ T10] netlink_unicast+0x449/0x710 [ 2628.104056][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.104056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.104056][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.104056][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.104056][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.104056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.104056][ T10] [ 2628.105720][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2628.105991][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2628.105991][ T10] netdev_get_by_index+0x5e/0x80 [ 2628.105991][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2628.105991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2628.105991][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2628.105991][ T10] ipv6_add_addr+0x411/0x2000 [ 2628.105991][ T10] inet6_addr_add+0x30e/0xa40 [ 2628.105991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.105991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.105991][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.105991][ T10] netlink_unicast+0x449/0x710 [ 2628.105991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.105991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.105991][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.105991][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.105991][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.105991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.105991][ T10] [ 2628.107963][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2628.107963][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2628.107963][ T10] ipv6_find_idev+0x102/0x170 [ 2628.107963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.107963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.107963][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.107963][ T10] netlink_unicast+0x449/0x710 [ 2628.107963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.107963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.107963][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.107963][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.107963][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.107963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.107963][ T10] [ 2628.109475][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2628.109475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2628.109475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2628.109475][ T10] ipv6_find_idev+0x102/0x170 [ 2628.109475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.109475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.109475][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.109475][ T10] netlink_unicast+0x449/0x710 [ 2628.109475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.109475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.109475][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.109475][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.109475][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.109475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.109475][ T10] [ 2628.111146][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2628.111410][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2628.111410][ T10] netdev_get_by_index+0x5e/0x80 [ 2628.111410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2628.111410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2628.111410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2628.111410][ T10] ipv6_add_addr+0x411/0x2000 [ 2628.111410][ T10] inet6_addr_add+0x30e/0xa40 [ 2628.111410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.111410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.111410][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.111410][ T10] netlink_unicast+0x449/0x710 [ 2628.111410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.111410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.111410][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.111410][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.111410][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.111410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.111410][ T10] [ 2628.113406][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2628.113406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2628.113406][ T10] ipv6_find_idev+0x102/0x170 [ 2628.113406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.113406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.113406][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.113406][ T10] netlink_unicast+0x449/0x710 [ 2628.113406][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.113406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.113406][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.113406][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.113406][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.113406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.113406][ T10] [ 2628.115064][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2628.115064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2628.115064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2628.115064][ T10] ipv6_find_idev+0x102/0x170 [ 2628.115064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.115064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.115064][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.115064][ T10] netlink_unicast+0x449/0x710 [ 2628.115064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.115064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.115064][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.115064][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.115064][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.115064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.115064][ T10] [ 2628.117343][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2628.117612][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2628.117612][ T10] netdev_get_by_index+0x5e/0x80 [ 2628.117612][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2628.117612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2628.117612][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2628.117612][ T10] ipv6_add_addr+0x411/0x2000 [ 2628.117612][ T10] inet6_addr_add+0x30e/0xa40 [ 2628.117612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.117612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.117612][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.117612][ T10] netlink_unicast+0x449/0x710 [ 2628.117612][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.117612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.117612][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.117612][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.117612][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.117612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.117612][ T10] [ 2628.119590][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2628.119590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2628.119590][ T10] ipv6_find_idev+0x102/0x170 [ 2628.119590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.119590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.119590][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.119590][ T10] netlink_unicast+0x449/0x710 [ 2628.119590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.119590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.119590][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.119590][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.119590][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.119590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.119590][ T10] [ 2628.121192][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2628.121192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2628.121192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2628.121192][ T10] ipv6_find_idev+0x102/0x170 [ 2628.121192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.121192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.121192][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.121192][ T10] netlink_unicast+0x449/0x710 [ 2628.121192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.121192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.121192][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.121192][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.121192][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.121192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.121192][ T10] [ 2628.123060][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2628.123395][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2628.123395][ T10] netdev_get_by_index+0x5e/0x80 [ 2628.123395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2628.123395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2628.123395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2628.123395][ T10] ipv6_add_addr+0x411/0x2000 [ 2628.123395][ T10] inet6_addr_add+0x30e/0xa40 [ 2628.123395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.123395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.123395][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.123395][ T10] netlink_unicast+0x449/0x710 [ 2628.123395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.123395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.123395][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.123395][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.123395][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.123395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.123395][ T10] [ 2628.125498][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2628.125498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2628.125498][ T10] ipv6_find_idev+0x102/0x170 [ 2628.125498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.125498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.125498][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.125498][ T10] netlink_unicast+0x449/0x710 [ 2628.125498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.125498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.125498][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.125498][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.125498][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.125498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.125498][ T10] [ 2628.127194][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2628.127194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2628.127194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2628.127194][ T10] ipv6_find_idev+0x102/0x170 [ 2628.127194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.127194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.127194][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.127194][ T10] netlink_unicast+0x449/0x710 [ 2628.127194][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.127194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.127194][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.127194][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.127194][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.127194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.127194][ T10] [ 2628.129142][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2628.129407][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2628.129407][ T10] netdev_get_by_index+0x5e/0x80 [ 2628.129407][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2628.129407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2628.129407][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2628.129407][ T10] ipv6_add_addr+0x411/0x2000 [ 2628.129407][ T10] inet6_addr_add+0x30e/0xa40 [ 2628.129407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.129407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.129407][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.129407][ T10] netlink_unicast+0x449/0x710 [ 2628.129407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.129407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.129407][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.129407][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.129407][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.129407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.129407][ T10] [ 2628.131571][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2628.131571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2628.131571][ T10] ipv6_find_idev+0x102/0x170 [ 2628.131571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.131571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.131571][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.131571][ T10] netlink_unicast+0x449/0x710 [ 2628.131571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.131571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.131571][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.131571][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.131571][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.131571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.131571][ T10] [ 2628.133149][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2628.133149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2628.133149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2628.133149][ T10] ipv6_find_idev+0x102/0x170 [ 2628.133149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.133149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.133149][ T10] netlink_rcv_skb+0x130/0x360 [ 2628.133149][ T10] netlink_unicast+0x449/0x710 [ 2628.133149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2628.133149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2628.133149][ T10] ___sys_sendmsg+0xee/0x170 [ 2628.133149][ T10] __sys_sendmsg+0xcd/0x170 [ 2628.133149][ T10] do_syscall_64+0xc6/0x1e0 [ 2628.133149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.133149][ T10] [ 2638.264234][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2638.264581][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2638.264581][ T10] netdev_get_by_index+0x5e/0x80 [ 2638.264581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2638.264581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2638.264581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2638.264581][ T10] ipv6_add_addr+0x411/0x2000 [ 2638.264581][ T10] inet6_addr_add+0x30e/0xa40 [ 2638.264581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.264581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.264581][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.264581][ T10] netlink_unicast+0x449/0x710 [ 2638.264581][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.264581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.264581][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.264581][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.264581][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.264581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.264581][ T10] [ 2638.266623][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2638.266623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2638.266623][ T10] ipv6_find_idev+0x102/0x170 [ 2638.266623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.266623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.266623][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.266623][ T10] netlink_unicast+0x449/0x710 [ 2638.266623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.266623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.266623][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.266623][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.266623][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.266623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.266623][ T10] [ 2638.268177][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2638.268177][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2638.268177][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2638.268177][ T10] ipv6_find_idev+0x102/0x170 [ 2638.268177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.268177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.268177][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.268177][ T10] netlink_unicast+0x449/0x710 [ 2638.268177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.268177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.268177][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.268177][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.268177][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.268177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.268177][ T10] [ 2638.269923][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2638.270218][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2638.270218][ T10] netdev_get_by_index+0x5e/0x80 [ 2638.270218][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2638.270218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2638.270218][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2638.270218][ T10] ipv6_add_addr+0x411/0x2000 [ 2638.270218][ T10] inet6_addr_add+0x30e/0xa40 [ 2638.270218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.270218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.270218][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.270218][ T10] netlink_unicast+0x449/0x710 [ 2638.270218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.270218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.270218][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.270218][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.270218][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.270218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.270218][ T10] [ 2638.272338][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2638.272338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2638.272338][ T10] ipv6_find_idev+0x102/0x170 [ 2638.272338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.272338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.272338][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.272338][ T10] netlink_unicast+0x449/0x710 [ 2638.272338][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.272338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.272338][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.272338][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.272338][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.272338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.272338][ T10] [ 2638.273983][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2638.273983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2638.273983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2638.273983][ T10] ipv6_find_idev+0x102/0x170 [ 2638.273983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.273983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.273983][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.273983][ T10] netlink_unicast+0x449/0x710 [ 2638.273983][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.273983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.273983][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.273983][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.273983][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.273983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.273983][ T10] [ 2638.275688][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2638.275960][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2638.275960][ T10] netdev_get_by_index+0x5e/0x80 [ 2638.275960][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2638.275960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2638.275960][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2638.275960][ T10] ipv6_add_addr+0x411/0x2000 [ 2638.275960][ T10] inet6_addr_add+0x30e/0xa40 [ 2638.275960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.275960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.275960][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.275960][ T10] netlink_unicast+0x449/0x710 [ 2638.275960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.275960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.275960][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.275960][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.275960][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.275960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.275960][ T10] [ 2638.277997][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2638.277997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2638.277997][ T10] ipv6_find_idev+0x102/0x170 [ 2638.277997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.277997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.277997][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.277997][ T10] netlink_unicast+0x449/0x710 [ 2638.277997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.277997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.277997][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.277997][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.277997][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.277997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.277997][ T10] [ 2638.279543][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2638.279543][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2638.279543][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2638.279543][ T10] ipv6_find_idev+0x102/0x170 [ 2638.279543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.279543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.279543][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.279543][ T10] netlink_unicast+0x449/0x710 [ 2638.279543][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.279543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.279543][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.279543][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.279543][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.279543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.279543][ T10] [ 2638.281532][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2638.281803][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2638.281803][ T10] netdev_get_by_index+0x5e/0x80 [ 2638.281803][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2638.281803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2638.281803][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2638.281803][ T10] ipv6_add_addr+0x411/0x2000 [ 2638.281803][ T10] inet6_addr_add+0x30e/0xa40 [ 2638.281803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.281803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.281803][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.281803][ T10] netlink_unicast+0x449/0x710 [ 2638.281803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.281803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.281803][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.281803][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.281803][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.281803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.281803][ T10] [ 2638.284122][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2638.284122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2638.284122][ T10] ipv6_find_idev+0x102/0x170 [ 2638.284122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.284122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.284122][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.284122][ T10] netlink_unicast+0x449/0x710 [ 2638.284122][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.284122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.284122][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.284122][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.284122][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.284122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.284122][ T10] [ 2638.285827][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2638.285827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2638.285827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2638.285827][ T10] ipv6_find_idev+0x102/0x170 [ 2638.285827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.285827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.285827][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.285827][ T10] netlink_unicast+0x449/0x710 [ 2638.285827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.285827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.285827][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.285827][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.285827][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.285827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.285827][ T10] [ 2638.287695][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2638.287965][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2638.287965][ T10] netdev_get_by_index+0x5e/0x80 [ 2638.287965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2638.287965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2638.287965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2638.287965][ T10] ipv6_add_addr+0x411/0x2000 [ 2638.287965][ T10] inet6_addr_add+0x30e/0xa40 [ 2638.287965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.287965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.287965][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.287965][ T10] netlink_unicast+0x449/0x710 [ 2638.287965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.287965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.287965][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.287965][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.287965][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.287965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.287965][ T10] [ 2638.290089][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2638.290089][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2638.290089][ T10] ipv6_find_idev+0x102/0x170 [ 2638.290089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.290089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.290089][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.290089][ T10] netlink_unicast+0x449/0x710 [ 2638.290089][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.290089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.290089][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.290089][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.290089][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.290089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.290089][ T10] [ 2638.291617][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2638.291617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2638.291617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2638.291617][ T10] ipv6_find_idev+0x102/0x170 [ 2638.291617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.291617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.291617][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.291617][ T10] netlink_unicast+0x449/0x710 [ 2638.291617][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.291617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.291617][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.291617][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.291617][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.291617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.291617][ T10] [ 2638.293710][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2638.294022][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2638.294022][ T10] netdev_get_by_index+0x5e/0x80 [ 2638.294022][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2638.294022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2638.294022][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2638.294022][ T10] ipv6_add_addr+0x411/0x2000 [ 2638.294022][ T10] inet6_addr_add+0x30e/0xa40 [ 2638.294022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.294022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.294022][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.294022][ T10] netlink_unicast+0x449/0x710 [ 2638.294022][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.294022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.294022][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.294022][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.294022][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.294022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.294022][ T10] [ 2638.296032][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2638.296032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2638.296032][ T10] ipv6_find_idev+0x102/0x170 [ 2638.296032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.296032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.296032][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.296032][ T10] netlink_unicast+0x449/0x710 [ 2638.296032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.296032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.296032][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.296032][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.296032][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.296032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.296032][ T10] [ 2638.297575][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2638.297575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2638.297575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2638.297575][ T10] ipv6_find_idev+0x102/0x170 [ 2638.297575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.297575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.297575][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.297575][ T10] netlink_unicast+0x449/0x710 [ 2638.297575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.297575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.297575][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.297575][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.297575][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.297575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.297575][ T10] [ 2638.299308][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2638.299690][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2638.299690][ T10] netdev_get_by_index+0x5e/0x80 [ 2638.299690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2638.299690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2638.299690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2638.299690][ T10] ipv6_add_addr+0x411/0x2000 [ 2638.299690][ T10] inet6_addr_add+0x30e/0xa40 [ 2638.299690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.299690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.299690][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.299690][ T10] netlink_unicast+0x449/0x710 [ 2638.299690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.299690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.299690][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.299690][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.299690][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.299690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.299690][ T10] [ 2638.301796][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2638.301796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2638.301796][ T10] ipv6_find_idev+0x102/0x170 [ 2638.301796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.301796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.301796][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.301796][ T10] netlink_unicast+0x449/0x710 [ 2638.301796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.301796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.301796][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.301796][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.301796][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.301796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.301796][ T10] [ 2638.303432][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2638.303432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2638.303432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2638.303432][ T10] ipv6_find_idev+0x102/0x170 [ 2638.303432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.303432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.303432][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.303432][ T10] netlink_unicast+0x449/0x710 [ 2638.303432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.303432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.303432][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.303432][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.303432][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.303432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.303432][ T10] [ 2638.305315][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2638.305628][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2638.305628][ T10] netdev_get_by_index+0x5e/0x80 [ 2638.305628][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2638.305628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2638.305628][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2638.305628][ T10] ipv6_add_addr+0x411/0x2000 [ 2638.305628][ T10] inet6_addr_add+0x30e/0xa40 [ 2638.305628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.305628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.305628][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.305628][ T10] netlink_unicast+0x449/0x710 [ 2638.305628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.305628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.305628][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.305628][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.305628][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.305628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.305628][ T10] [ 2638.307745][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2638.307745][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2638.307745][ T10] ipv6_find_idev+0x102/0x170 [ 2638.307745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.307745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.307745][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.307745][ T10] netlink_unicast+0x449/0x710 [ 2638.307745][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.307745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.307745][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.307745][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.307745][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.307745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.307745][ T10] [ 2638.309291][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2638.309291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2638.309291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2638.309291][ T10] ipv6_find_idev+0x102/0x170 [ 2638.309291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.309291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.309291][ T10] netlink_rcv_skb+0x130/0x360 [ 2638.309291][ T10] netlink_unicast+0x449/0x710 [ 2638.309291][ T10] netlink_sendmsg+0x723/0xbe0 [ 2638.309291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2638.309291][ T10] ___sys_sendmsg+0xee/0x170 [ 2638.309291][ T10] __sys_sendmsg+0xcd/0x170 [ 2638.309291][ T10] do_syscall_64+0xc6/0x1e0 [ 2638.309291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.309291][ T10] [ 2648.432215][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2648.432555][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2648.432555][ T10] netdev_get_by_index+0x5e/0x80 [ 2648.432555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2648.432555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2648.432555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2648.432555][ T10] ipv6_add_addr+0x411/0x2000 [ 2648.432555][ T10] inet6_addr_add+0x30e/0xa40 [ 2648.432555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.432555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.432555][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.432555][ T10] netlink_unicast+0x449/0x710 [ 2648.432555][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.432555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.432555][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.432555][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.432555][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.432555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.432555][ T10] [ 2648.434633][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2648.434633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2648.434633][ T10] ipv6_find_idev+0x102/0x170 [ 2648.434633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.434633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.434633][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.434633][ T10] netlink_unicast+0x449/0x710 [ 2648.434633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.434633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.434633][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.434633][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.434633][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.434633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.434633][ T10] [ 2648.436236][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2648.436236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2648.436236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2648.436236][ T10] ipv6_find_idev+0x102/0x170 [ 2648.436236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.436236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.436236][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.436236][ T10] netlink_unicast+0x449/0x710 [ 2648.436236][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.436236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.436236][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.436236][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.436236][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.436236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.436236][ T10] [ 2648.437979][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2648.438262][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2648.438262][ T10] netdev_get_by_index+0x5e/0x80 [ 2648.438262][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2648.438262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2648.438262][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2648.438262][ T10] ipv6_add_addr+0x411/0x2000 [ 2648.438262][ T10] inet6_addr_add+0x30e/0xa40 [ 2648.438262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.438262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.438262][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.438262][ T10] netlink_unicast+0x449/0x710 [ 2648.438262][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.438262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.438262][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.438262][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.438262][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.438262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.438262][ T10] [ 2648.440300][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2648.440300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2648.440300][ T10] ipv6_find_idev+0x102/0x170 [ 2648.440300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.440300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.440300][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.440300][ T10] netlink_unicast+0x449/0x710 [ 2648.440300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.440300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.440300][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.440300][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.440300][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.440300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.440300][ T10] [ 2648.441874][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2648.441874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2648.441874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2648.441874][ T10] ipv6_find_idev+0x102/0x170 [ 2648.441874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.441874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.441874][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.441874][ T10] netlink_unicast+0x449/0x710 [ 2648.441874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.441874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.441874][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.441874][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.441874][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.441874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.441874][ T10] [ 2648.443581][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2648.443864][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2648.443864][ T10] netdev_get_by_index+0x5e/0x80 [ 2648.443864][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2648.443864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2648.443864][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2648.443864][ T10] ipv6_add_addr+0x411/0x2000 [ 2648.443864][ T10] inet6_addr_add+0x30e/0xa40 [ 2648.443864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.443864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.443864][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.443864][ T10] netlink_unicast+0x449/0x710 [ 2648.443864][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.443864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.443864][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.443864][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.443864][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.443864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.443864][ T10] [ 2648.445863][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2648.445863][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2648.445863][ T10] ipv6_find_idev+0x102/0x170 [ 2648.445863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.445863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.445863][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.445863][ T10] netlink_unicast+0x449/0x710 [ 2648.445863][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.445863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.445863][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.445863][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.445863][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.445863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.445863][ T10] [ 2648.447573][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2648.447573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2648.447573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2648.447573][ T10] ipv6_find_idev+0x102/0x170 [ 2648.447573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.447573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.447573][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.447573][ T10] netlink_unicast+0x449/0x710 [ 2648.447573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.447573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.447573][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.447573][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.447573][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.447573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.447573][ T10] [ 2648.449428][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2648.449697][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2648.449697][ T10] netdev_get_by_index+0x5e/0x80 [ 2648.449697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2648.449697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2648.449697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2648.449697][ T10] ipv6_add_addr+0x411/0x2000 [ 2648.449697][ T10] inet6_addr_add+0x30e/0xa40 [ 2648.449697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.449697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.449697][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.449697][ T10] netlink_unicast+0x449/0x710 [ 2648.449697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.449697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.449697][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.449697][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.449697][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.449697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.449697][ T10] [ 2648.451921][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2648.451921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2648.451921][ T10] ipv6_find_idev+0x102/0x170 [ 2648.451921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.451921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.451921][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.451921][ T10] netlink_unicast+0x449/0x710 [ 2648.451921][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.451921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.451921][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.451921][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.451921][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.451921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.451921][ T10] [ 2648.453579][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2648.453579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2648.453579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2648.453579][ T10] ipv6_find_idev+0x102/0x170 [ 2648.453579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.453579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.453579][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.453579][ T10] netlink_unicast+0x449/0x710 [ 2648.453579][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.453579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.453579][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.453579][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.453579][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.453579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.453579][ T10] [ 2648.455525][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2648.455803][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2648.455803][ T10] netdev_get_by_index+0x5e/0x80 [ 2648.455803][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2648.455803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2648.455803][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2648.455803][ T10] ipv6_add_addr+0x411/0x2000 [ 2648.455803][ T10] inet6_addr_add+0x30e/0xa40 [ 2648.455803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.455803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.455803][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.455803][ T10] netlink_unicast+0x449/0x710 [ 2648.455803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.455803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.455803][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.455803][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.455803][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.455803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.455803][ T10] [ 2648.457884][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2648.457884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2648.457884][ T10] ipv6_find_idev+0x102/0x170 [ 2648.457884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.457884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.457884][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.457884][ T10] netlink_unicast+0x449/0x710 [ 2648.457884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.457884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.457884][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.457884][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.457884][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.457884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.457884][ T10] [ 2648.459455][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2648.459455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2648.459455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2648.459455][ T10] ipv6_find_idev+0x102/0x170 [ 2648.459455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.459455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.459455][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.459455][ T10] netlink_unicast+0x449/0x710 [ 2648.459455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.459455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.459455][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.459455][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.459455][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.459455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.459455][ T10] [ 2648.461223][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2648.461544][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2648.461544][ T10] netdev_get_by_index+0x5e/0x80 [ 2648.461544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2648.461544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2648.461544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2648.461544][ T10] ipv6_add_addr+0x411/0x2000 [ 2648.461544][ T10] inet6_addr_add+0x30e/0xa40 [ 2648.461544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.461544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.461544][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.461544][ T10] netlink_unicast+0x449/0x710 [ 2648.461544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.461544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.461544][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.461544][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.461544][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.461544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.461544][ T10] [ 2648.463560][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2648.463560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2648.463560][ T10] ipv6_find_idev+0x102/0x170 [ 2648.463560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.463560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.463560][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.463560][ T10] netlink_unicast+0x449/0x710 [ 2648.463560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.463560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.463560][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.463560][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.463560][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.463560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.463560][ T10] [ 2648.465235][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2648.465235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2648.465235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2648.465235][ T10] ipv6_find_idev+0x102/0x170 [ 2648.465235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.465235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.465235][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.465235][ T10] netlink_unicast+0x449/0x710 [ 2648.465235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.465235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.465235][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.465235][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.465235][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.465235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.465235][ T10] [ 2648.467173][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2648.467557][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2648.467557][ T10] netdev_get_by_index+0x5e/0x80 [ 2648.467557][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2648.467557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2648.467557][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2648.467557][ T10] ipv6_add_addr+0x411/0x2000 [ 2648.467557][ T10] inet6_addr_add+0x30e/0xa40 [ 2648.467557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.467557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.467557][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.467557][ T10] netlink_unicast+0x449/0x710 [ 2648.467557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.467557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.467557][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.467557][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.467557][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.467557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.467557][ T10] [ 2648.469639][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2648.469639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2648.469639][ T10] ipv6_find_idev+0x102/0x170 [ 2648.469639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.469639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.469639][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.469639][ T10] netlink_unicast+0x449/0x710 [ 2648.469639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.469639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.469639][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.469639][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.469639][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.469639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.469639][ T10] [ 2648.471337][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2648.471337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2648.471337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2648.471337][ T10] ipv6_find_idev+0x102/0x170 [ 2648.471337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.471337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.471337][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.471337][ T10] netlink_unicast+0x449/0x710 [ 2648.471337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.471337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.471337][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.471337][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.471337][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.471337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.471337][ T10] [ 2648.473161][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2648.473487][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2648.473487][ T10] netdev_get_by_index+0x5e/0x80 [ 2648.473487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2648.473487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2648.473487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2648.473487][ T10] ipv6_add_addr+0x411/0x2000 [ 2648.473487][ T10] inet6_addr_add+0x30e/0xa40 [ 2648.473487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.473487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.473487][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.473487][ T10] netlink_unicast+0x449/0x710 [ 2648.473487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.473487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.473487][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.473487][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.473487][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.473487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.473487][ T10] [ 2648.475526][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2648.475526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2648.475526][ T10] ipv6_find_idev+0x102/0x170 [ 2648.475526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.475526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.475526][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.475526][ T10] netlink_unicast+0x449/0x710 [ 2648.475526][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.475526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.475526][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.475526][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.475526][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.475526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.475526][ T10] [ 2648.477080][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2648.477080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2648.477080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2648.477080][ T10] ipv6_find_idev+0x102/0x170 [ 2648.477080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.477080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.477080][ T10] netlink_rcv_skb+0x130/0x360 [ 2648.477080][ T10] netlink_unicast+0x449/0x710 [ 2648.477080][ T10] netlink_sendmsg+0x723/0xbe0 [ 2648.477080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2648.477080][ T10] ___sys_sendmsg+0xee/0x170 [ 2648.477080][ T10] __sys_sendmsg+0xcd/0x170 [ 2648.477080][ T10] do_syscall_64+0xc6/0x1e0 [ 2648.477080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.477080][ T10] [ 2658.601150][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2658.601479][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2658.601479][ T10] netdev_get_by_index+0x5e/0x80 [ 2658.601479][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2658.601479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2658.601479][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2658.601479][ T10] ipv6_add_addr+0x411/0x2000 [ 2658.601479][ T10] inet6_addr_add+0x30e/0xa40 [ 2658.601479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2658.601479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.601479][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.601479][ T10] netlink_unicast+0x449/0x710 [ 2658.601479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.601479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.601479][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.601479][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.601479][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.601479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.601479][ T10] [ 2658.603557][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2658.603557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2658.603557][ T10] ipv6_find_idev+0x102/0x170 [ 2658.603557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.603557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.603557][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.603557][ T10] netlink_unicast+0x449/0x710 [ 2658.603557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.603557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.603557][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.603557][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.603557][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.603557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.603557][ T10] [ 2658.605143][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2658.605143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2658.605143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2658.605143][ T10] ipv6_find_idev+0x102/0x170 [ 2658.605143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.605143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.605143][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.605143][ T10] netlink_unicast+0x449/0x710 [ 2658.605143][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.605143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.605143][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.605143][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.605143][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.605143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.605143][ T10] [ 2658.606913][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2658.607195][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2658.607195][ T10] netdev_get_by_index+0x5e/0x80 [ 2658.607195][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2658.607195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2658.607195][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2658.607195][ T10] ipv6_add_addr+0x411/0x2000 [ 2658.607195][ T10] inet6_addr_add+0x30e/0xa40 [ 2658.607195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2658.607195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.607195][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.607195][ T10] netlink_unicast+0x449/0x710 [ 2658.607195][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.607195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.607195][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.607195][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.607195][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.607195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.607195][ T10] [ 2658.609244][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2658.609244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2658.609244][ T10] ipv6_find_idev+0x102/0x170 [ 2658.609244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.609244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.609244][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.609244][ T10] netlink_unicast+0x449/0x710 [ 2658.609244][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.609244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.609244][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.609244][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.609244][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.609244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.609244][ T10] [ 2658.610827][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2658.610827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2658.610827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2658.610827][ T10] ipv6_find_idev+0x102/0x170 [ 2658.610827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.610827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.610827][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.610827][ T10] netlink_unicast+0x449/0x710 [ 2658.610827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.610827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.610827][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.610827][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.610827][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.610827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.610827][ T10] [ 2658.612565][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2658.612847][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2658.612847][ T10] netdev_get_by_index+0x5e/0x80 [ 2658.612847][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2658.612847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2658.612847][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2658.612847][ T10] ipv6_add_addr+0x411/0x2000 [ 2658.612847][ T10] inet6_addr_add+0x30e/0xa40 [ 2658.612847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2658.612847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.612847][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.612847][ T10] netlink_unicast+0x449/0x710 [ 2658.612847][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.612847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.612847][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.612847][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.612847][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.612847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.612847][ T10] [ 2658.614928][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2658.614928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2658.614928][ T10] ipv6_find_idev+0x102/0x170 [ 2658.614928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.614928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.614928][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.614928][ T10] netlink_unicast+0x449/0x710 [ 2658.614928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.614928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.614928][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.614928][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.614928][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.614928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.614928][ T10] [ 2658.616548][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2658.616548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2658.616548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2658.616548][ T10] ipv6_find_idev+0x102/0x170 [ 2658.616548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.616548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.616548][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.616548][ T10] netlink_unicast+0x449/0x710 [ 2658.616548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.616548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.616548][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.616548][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.616548][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.616548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.616548][ T10] [ 2658.618709][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2658.618984][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2658.618984][ T10] netdev_get_by_index+0x5e/0x80 [ 2658.618984][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2658.618984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2658.618984][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2658.618984][ T10] ipv6_add_addr+0x411/0x2000 [ 2658.618984][ T10] inet6_addr_add+0x30e/0xa40 [ 2658.618984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2658.618984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.618984][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.618984][ T10] netlink_unicast+0x449/0x710 [ 2658.618984][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.618984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.618984][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.618984][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.618984][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.618984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.618984][ T10] [ 2658.621197][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2658.621197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2658.621197][ T10] ipv6_find_idev+0x102/0x170 [ 2658.621197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.621197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.621197][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.621197][ T10] netlink_unicast+0x449/0x710 [ 2658.621197][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.621197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.621197][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.621197][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.621197][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.621197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.621197][ T10] [ 2658.622963][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2658.622963][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2658.622963][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2658.622963][ T10] ipv6_find_idev+0x102/0x170 [ 2658.622963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.622963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.622963][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.622963][ T10] netlink_unicast+0x449/0x710 [ 2658.622963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.622963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.622963][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.622963][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.622963][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.622963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.622963][ T10] [ 2658.624979][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2658.625738][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2658.625738][ T10] netdev_get_by_index+0x5e/0x80 [ 2658.625738][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2658.625738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2658.625738][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2658.625738][ T10] ipv6_add_addr+0x411/0x2000 [ 2658.625738][ T10] inet6_addr_add+0x30e/0xa40 [ 2658.625738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2658.625738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.625738][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.625738][ T10] netlink_unicast+0x449/0x710 [ 2658.625738][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.625738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.625738][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.625738][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.625738][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.625738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.625738][ T10] [ 2658.627819][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2658.627819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2658.627819][ T10] ipv6_find_idev+0x102/0x170 [ 2658.627819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.627819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.627819][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.627819][ T10] netlink_unicast+0x449/0x710 [ 2658.627819][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.627819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.627819][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.627819][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.627819][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.627819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.627819][ T10] [ 2658.629419][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2658.629419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2658.629419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2658.629419][ T10] ipv6_find_idev+0x102/0x170 [ 2658.629419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.629419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.629419][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.629419][ T10] netlink_unicast+0x449/0x710 [ 2658.629419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.629419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.629419][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.629419][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.629419][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.629419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.629419][ T10] [ 2658.631317][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2658.631716][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2658.631716][ T10] netdev_get_by_index+0x5e/0x80 [ 2658.631716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2658.631716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2658.631716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2658.631716][ T10] ipv6_add_addr+0x411/0x2000 [ 2658.631716][ T10] inet6_addr_add+0x30e/0xa40 [ 2658.631716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2658.631716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.631716][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.631716][ T10] netlink_unicast+0x449/0x710 [ 2658.631716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.631716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.631716][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.631716][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.631716][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.631716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.631716][ T10] [ 2658.634093][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2658.634093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2658.634093][ T10] ipv6_find_idev+0x102/0x170 [ 2658.634093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.634093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.634093][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.634093][ T10] netlink_unicast+0x449/0x710 [ 2658.634093][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.634093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.634093][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.634093][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.634093][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.634093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.634093][ T10] [ 2658.635884][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2658.635884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2658.635884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2658.635884][ T10] ipv6_find_idev+0x102/0x170 [ 2658.635884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.635884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.635884][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.635884][ T10] netlink_unicast+0x449/0x710 [ 2658.635884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.635884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.635884][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.635884][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.635884][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.635884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.635884][ T10] [ 2658.637953][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2658.638284][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2658.638284][ T10] netdev_get_by_index+0x5e/0x80 [ 2658.638284][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2658.638284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2658.638284][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2658.638284][ T10] ipv6_add_addr+0x411/0x2000 [ 2658.638284][ T10] inet6_addr_add+0x30e/0xa40 [ 2658.638284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2658.638284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.638284][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.638284][ T10] netlink_unicast+0x449/0x710 [ 2658.638284][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.638284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.638284][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.638284][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.638284][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.638284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.638284][ T10] [ 2658.640395][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2658.640395][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2658.640395][ T10] ipv6_find_idev+0x102/0x170 [ 2658.640395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.640395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.640395][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.640395][ T10] netlink_unicast+0x449/0x710 [ 2658.640395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.640395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.640395][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.640395][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.640395][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.640395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.640395][ T10] [ 2658.642068][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2658.642068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2658.642068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2658.642068][ T10] ipv6_find_idev+0x102/0x170 [ 2658.642068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.642068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.642068][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.642068][ T10] netlink_unicast+0x449/0x710 [ 2658.642068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.642068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.642068][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.642068][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.642068][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.642068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.642068][ T10] [ 2658.644317][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2658.644747][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2658.644747][ T10] netdev_get_by_index+0x5e/0x80 [ 2658.644747][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2658.644747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2658.644747][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2658.644747][ T10] ipv6_add_addr+0x411/0x2000 [ 2658.644747][ T10] inet6_addr_add+0x30e/0xa40 [ 2658.644747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2658.644747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.644747][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.644747][ T10] netlink_unicast+0x449/0x710 [ 2658.644747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.644747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.644747][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.644747][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.644747][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.644747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.644747][ T10] [ 2658.646928][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2658.646928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2658.646928][ T10] ipv6_find_idev+0x102/0x170 [ 2658.646928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.646928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.646928][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.646928][ T10] netlink_unicast+0x449/0x710 [ 2658.646928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.646928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.646928][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.646928][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.646928][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.646928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.646928][ T10] [ 2658.648532][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2658.648532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2658.648532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2658.648532][ T10] ipv6_find_idev+0x102/0x170 [ 2658.648532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2658.648532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2658.648532][ T10] netlink_rcv_skb+0x130/0x360 [ 2658.648532][ T10] netlink_unicast+0x449/0x710 [ 2658.648532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2658.648532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2658.648532][ T10] ___sys_sendmsg+0xee/0x170 [ 2658.648532][ T10] __sys_sendmsg+0xcd/0x170 [ 2658.648532][ T10] do_syscall_64+0xc6/0x1e0 [ 2658.648532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2658.648532][ T10] [ 2668.785161][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2668.785802][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2668.785802][ T10] netdev_get_by_index+0x5e/0x80 [ 2668.785802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2668.785802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2668.785802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2668.785802][ T10] ipv6_add_addr+0x411/0x2000 [ 2668.785802][ T10] inet6_addr_add+0x30e/0xa40 [ 2668.785802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2668.785802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.785802][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.785802][ T10] netlink_unicast+0x449/0x710 [ 2668.785802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.785802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.785802][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.785802][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.785802][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.785802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.785802][ T10] [ 2668.787878][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2668.787878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2668.787878][ T10] ipv6_find_idev+0x102/0x170 [ 2668.787878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.787878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.787878][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.787878][ T10] netlink_unicast+0x449/0x710 [ 2668.787878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.787878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.787878][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.787878][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.787878][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.787878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.787878][ T10] [ 2668.789442][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2668.789442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2668.789442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2668.789442][ T10] ipv6_find_idev+0x102/0x170 [ 2668.789442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.789442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.789442][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.789442][ T10] netlink_unicast+0x449/0x710 [ 2668.789442][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.789442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.789442][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.789442][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.789442][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.789442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.789442][ T10] [ 2668.791142][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2668.791436][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2668.791436][ T10] netdev_get_by_index+0x5e/0x80 [ 2668.791436][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2668.791436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2668.791436][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2668.791436][ T10] ipv6_add_addr+0x411/0x2000 [ 2668.791436][ T10] inet6_addr_add+0x30e/0xa40 [ 2668.791436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2668.791436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.791436][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.791436][ T10] netlink_unicast+0x449/0x710 [ 2668.791436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.791436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.791436][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.791436][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.791436][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.791436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.791436][ T10] [ 2668.793458][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2668.793458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2668.793458][ T10] ipv6_find_idev+0x102/0x170 [ 2668.793458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.793458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.793458][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.793458][ T10] netlink_unicast+0x449/0x710 [ 2668.793458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.793458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.793458][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.793458][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.793458][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.793458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.793458][ T10] [ 2668.795013][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2668.795013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2668.795013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2668.795013][ T10] ipv6_find_idev+0x102/0x170 [ 2668.795013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.795013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.795013][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.795013][ T10] netlink_unicast+0x449/0x710 [ 2668.795013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.795013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.795013][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.795013][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.795013][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.795013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.795013][ T10] [ 2668.796812][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2668.797110][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2668.797110][ T10] netdev_get_by_index+0x5e/0x80 [ 2668.797110][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2668.797110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2668.797110][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2668.797110][ T10] ipv6_add_addr+0x411/0x2000 [ 2668.797110][ T10] inet6_addr_add+0x30e/0xa40 [ 2668.797110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2668.797110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.797110][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.797110][ T10] netlink_unicast+0x449/0x710 [ 2668.797110][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.797110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.797110][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.797110][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.797110][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.797110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.797110][ T10] [ 2668.799126][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2668.799126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2668.799126][ T10] ipv6_find_idev+0x102/0x170 [ 2668.799126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.799126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.799126][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.799126][ T10] netlink_unicast+0x449/0x710 [ 2668.799126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.799126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.799126][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.799126][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.799126][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.799126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.799126][ T10] [ 2668.800677][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2668.800677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2668.800677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2668.800677][ T10] ipv6_find_idev+0x102/0x170 [ 2668.800677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.800677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.800677][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.800677][ T10] netlink_unicast+0x449/0x710 [ 2668.800677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.800677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.800677][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.800677][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.800677][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.800677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.800677][ T10] [ 2668.802373][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2668.802645][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2668.802645][ T10] netdev_get_by_index+0x5e/0x80 [ 2668.802645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2668.802645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2668.802645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2668.802645][ T10] ipv6_add_addr+0x411/0x2000 [ 2668.802645][ T10] inet6_addr_add+0x30e/0xa40 [ 2668.802645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2668.802645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.802645][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.802645][ T10] netlink_unicast+0x449/0x710 [ 2668.802645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.802645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.802645][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.802645][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.802645][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.802645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.802645][ T10] [ 2668.804600][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2668.804600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2668.804600][ T10] ipv6_find_idev+0x102/0x170 [ 2668.804600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.804600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.804600][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.804600][ T10] netlink_unicast+0x449/0x710 [ 2668.804600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.804600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.804600][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.804600][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.804600][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.804600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.804600][ T10] [ 2668.806110][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2668.806110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2668.806110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2668.806110][ T10] ipv6_find_idev+0x102/0x170 [ 2668.806110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.806110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.806110][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.806110][ T10] netlink_unicast+0x449/0x710 [ 2668.806110][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.806110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.806110][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.806110][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.806110][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.806110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.806110][ T10] [ 2668.808237][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2668.808600][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2668.808600][ T10] netdev_get_by_index+0x5e/0x80 [ 2668.808600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2668.808600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2668.808600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2668.808600][ T10] ipv6_add_addr+0x411/0x2000 [ 2668.808600][ T10] inet6_addr_add+0x30e/0xa40 [ 2668.808600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2668.808600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.808600][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.808600][ T10] netlink_unicast+0x449/0x710 [ 2668.808600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.808600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.808600][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.808600][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.808600][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.808600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.808600][ T10] [ 2668.810583][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2668.810583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2668.810583][ T10] ipv6_find_idev+0x102/0x170 [ 2668.810583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.810583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.810583][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.810583][ T10] netlink_unicast+0x449/0x710 [ 2668.810583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.810583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.810583][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.810583][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.810583][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.810583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.810583][ T10] [ 2668.812130][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2668.812130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2668.812130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2668.812130][ T10] ipv6_find_idev+0x102/0x170 [ 2668.812130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.812130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.812130][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.812130][ T10] netlink_unicast+0x449/0x710 [ 2668.812130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.812130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.812130][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.812130][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.812130][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.812130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.812130][ T10] [ 2668.813857][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2668.814156][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2668.814156][ T10] netdev_get_by_index+0x5e/0x80 [ 2668.814156][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2668.814156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2668.814156][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2668.814156][ T10] ipv6_add_addr+0x411/0x2000 [ 2668.814156][ T10] inet6_addr_add+0x30e/0xa40 [ 2668.814156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2668.814156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.814156][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.814156][ T10] netlink_unicast+0x449/0x710 [ 2668.814156][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.814156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.814156][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.814156][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.814156][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.814156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.814156][ T10] [ 2668.816290][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2668.816290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2668.816290][ T10] ipv6_find_idev+0x102/0x170 [ 2668.816290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.816290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.816290][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.816290][ T10] netlink_unicast+0x449/0x710 [ 2668.816290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.816290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.816290][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.816290][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.816290][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.816290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.816290][ T10] [ 2668.817986][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2668.817986][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2668.817986][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2668.817986][ T10] ipv6_find_idev+0x102/0x170 [ 2668.817986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.817986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.817986][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.817986][ T10] netlink_unicast+0x449/0x710 [ 2668.817986][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.817986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.817986][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.817986][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.817986][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.817986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.817986][ T10] [ 2668.819826][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2668.820107][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2668.820107][ T10] netdev_get_by_index+0x5e/0x80 [ 2668.820107][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2668.820107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2668.820107][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2668.820107][ T10] ipv6_add_addr+0x411/0x2000 [ 2668.820107][ T10] inet6_addr_add+0x30e/0xa40 [ 2668.820107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2668.820107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.820107][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.820107][ T10] netlink_unicast+0x449/0x710 [ 2668.820107][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.820107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.820107][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.820107][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.820107][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.820107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.820107][ T10] [ 2668.822221][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2668.822221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2668.822221][ T10] ipv6_find_idev+0x102/0x170 [ 2668.822221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.822221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.822221][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.822221][ T10] netlink_unicast+0x449/0x710 [ 2668.822221][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.822221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.822221][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.822221][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.822221][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.822221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.822221][ T10] [ 2668.823912][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2668.823912][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2668.823912][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2668.823912][ T10] ipv6_find_idev+0x102/0x170 [ 2668.823912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.823912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.823912][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.823912][ T10] netlink_unicast+0x449/0x710 [ 2668.823912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.823912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.823912][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.823912][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.823912][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.823912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.823912][ T10] [ 2668.825944][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2668.826273][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2668.826273][ T10] netdev_get_by_index+0x5e/0x80 [ 2668.826273][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2668.826273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2668.826273][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2668.826273][ T10] ipv6_add_addr+0x411/0x2000 [ 2668.826273][ T10] inet6_addr_add+0x30e/0xa40 [ 2668.826273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2668.826273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.826273][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.826273][ T10] netlink_unicast+0x449/0x710 [ 2668.826273][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.826273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.826273][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.826273][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.826273][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.826273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.826273][ T10] [ 2668.828380][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2668.828380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2668.828380][ T10] ipv6_find_idev+0x102/0x170 [ 2668.828380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.828380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.828380][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.828380][ T10] netlink_unicast+0x449/0x710 [ 2668.828380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.828380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.828380][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.828380][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.828380][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.828380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.828380][ T10] [ 2668.830073][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2668.830073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2668.830073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2668.830073][ T10] ipv6_find_idev+0x102/0x170 [ 2668.830073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2668.830073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2668.830073][ T10] netlink_rcv_skb+0x130/0x360 [ 2668.830073][ T10] netlink_unicast+0x449/0x710 [ 2668.830073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2668.830073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2668.830073][ T10] ___sys_sendmsg+0xee/0x170 [ 2668.830073][ T10] __sys_sendmsg+0xcd/0x170 [ 2668.830073][ T10] do_syscall_64+0xc6/0x1e0 [ 2668.830073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2668.830073][ T10] [ 2678.968232][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2678.968573][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2678.968573][ T10] netdev_get_by_index+0x5e/0x80 [ 2678.968573][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2678.968573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2678.968573][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2678.968573][ T10] ipv6_add_addr+0x411/0x2000 [ 2678.968573][ T10] inet6_addr_add+0x30e/0xa40 [ 2678.968573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.968573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.968573][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.968573][ T10] netlink_unicast+0x449/0x710 [ 2678.968573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.968573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.968573][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.968573][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.968573][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.968573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.968573][ T10] [ 2678.970624][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2678.970624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2678.970624][ T10] ipv6_find_idev+0x102/0x170 [ 2678.970624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.970624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.970624][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.970624][ T10] netlink_unicast+0x449/0x710 [ 2678.970624][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.970624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.970624][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.970624][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.970624][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.970624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.970624][ T10] [ 2678.972232][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2678.972232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2678.972232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2678.972232][ T10] ipv6_find_idev+0x102/0x170 [ 2678.972232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.972232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.972232][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.972232][ T10] netlink_unicast+0x449/0x710 [ 2678.972232][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.972232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.972232][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.972232][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.972232][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.972232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.972232][ T10] [ 2678.973938][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2678.974223][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2678.974223][ T10] netdev_get_by_index+0x5e/0x80 [ 2678.974223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2678.974223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2678.974223][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2678.974223][ T10] ipv6_add_addr+0x411/0x2000 [ 2678.974223][ T10] inet6_addr_add+0x30e/0xa40 [ 2678.974223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.974223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.974223][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.974223][ T10] netlink_unicast+0x449/0x710 [ 2678.974223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.974223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.974223][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.974223][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.974223][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.974223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.974223][ T10] [ 2678.976209][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2678.976209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2678.976209][ T10] ipv6_find_idev+0x102/0x170 [ 2678.976209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.976209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.976209][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.976209][ T10] netlink_unicast+0x449/0x710 [ 2678.976209][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.976209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.976209][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.976209][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.976209][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.976209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.976209][ T10] [ 2678.977744][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2678.977744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2678.977744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2678.977744][ T10] ipv6_find_idev+0x102/0x170 [ 2678.977744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.977744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.977744][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.977744][ T10] netlink_unicast+0x449/0x710 [ 2678.977744][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.977744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.977744][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.977744][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.977744][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.977744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.977744][ T10] [ 2678.979441][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2678.979721][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2678.979721][ T10] netdev_get_by_index+0x5e/0x80 [ 2678.979721][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2678.979721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2678.979721][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2678.979721][ T10] ipv6_add_addr+0x411/0x2000 [ 2678.979721][ T10] inet6_addr_add+0x30e/0xa40 [ 2678.979721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.979721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.979721][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.979721][ T10] netlink_unicast+0x449/0x710 [ 2678.979721][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.979721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.979721][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.979721][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.979721][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.979721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.979721][ T10] [ 2678.981730][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2678.981730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2678.981730][ T10] ipv6_find_idev+0x102/0x170 [ 2678.981730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.981730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.981730][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.981730][ T10] netlink_unicast+0x449/0x710 [ 2678.981730][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.981730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.981730][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.981730][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.981730][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.981730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.981730][ T10] [ 2678.983306][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2678.983306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2678.983306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2678.983306][ T10] ipv6_find_idev+0x102/0x170 [ 2678.983306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.983306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.983306][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.983306][ T10] netlink_unicast+0x449/0x710 [ 2678.983306][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.983306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.983306][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.983306][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.983306][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.983306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.983306][ T10] [ 2678.985042][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2678.985767][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2678.985767][ T10] netdev_get_by_index+0x5e/0x80 [ 2678.985767][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2678.985767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2678.985767][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2678.985767][ T10] ipv6_add_addr+0x411/0x2000 [ 2678.985767][ T10] inet6_addr_add+0x30e/0xa40 [ 2678.985767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.985767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.985767][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.985767][ T10] netlink_unicast+0x449/0x710 [ 2678.985767][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.985767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.985767][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.985767][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.985767][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.985767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.985767][ T10] [ 2678.987787][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2678.987787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2678.987787][ T10] ipv6_find_idev+0x102/0x170 [ 2678.987787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.987787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.987787][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.987787][ T10] netlink_unicast+0x449/0x710 [ 2678.987787][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.987787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.987787][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.987787][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.987787][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.987787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.987787][ T10] [ 2678.989310][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2678.989310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2678.989310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2678.989310][ T10] ipv6_find_idev+0x102/0x170 [ 2678.989310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.989310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.989310][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.989310][ T10] netlink_unicast+0x449/0x710 [ 2678.989310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.989310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.989310][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.989310][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.989310][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.989310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.989310][ T10] [ 2678.991057][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2678.991388][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2678.991388][ T10] netdev_get_by_index+0x5e/0x80 [ 2678.991388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2678.991388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2678.991388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2678.991388][ T10] ipv6_add_addr+0x411/0x2000 [ 2678.991388][ T10] inet6_addr_add+0x30e/0xa40 [ 2678.991388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.991388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.991388][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.991388][ T10] netlink_unicast+0x449/0x710 [ 2678.991388][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.991388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.991388][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.991388][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.991388][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.991388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.991388][ T10] [ 2678.993437][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2678.993437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2678.993437][ T10] ipv6_find_idev+0x102/0x170 [ 2678.993437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.993437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.993437][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.993437][ T10] netlink_unicast+0x449/0x710 [ 2678.993437][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.993437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.993437][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.993437][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.993437][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.993437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.993437][ T10] [ 2678.995223][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2678.995223][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2678.995223][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2678.995223][ T10] ipv6_find_idev+0x102/0x170 [ 2678.995223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.995223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.995223][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.995223][ T10] netlink_unicast+0x449/0x710 [ 2678.995223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.995223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.995223][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.995223][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.995223][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.995223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.995223][ T10] [ 2678.997253][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2678.997572][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2678.997572][ T10] netdev_get_by_index+0x5e/0x80 [ 2678.997572][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2678.997572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2678.997572][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2678.997572][ T10] ipv6_add_addr+0x411/0x2000 [ 2678.997572][ T10] inet6_addr_add+0x30e/0xa40 [ 2678.997572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2678.997572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.997572][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.997572][ T10] netlink_unicast+0x449/0x710 [ 2678.997572][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.997572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.997572][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.997572][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.997572][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.997572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.997572][ T10] [ 2678.999737][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2678.999737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2678.999737][ T10] ipv6_find_idev+0x102/0x170 [ 2678.999737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2678.999737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2678.999737][ T10] netlink_rcv_skb+0x130/0x360 [ 2678.999737][ T10] netlink_unicast+0x449/0x710 [ 2678.999737][ T10] netlink_sendmsg+0x723/0xbe0 [ 2678.999737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2678.999737][ T10] ___sys_sendmsg+0xee/0x170 [ 2678.999737][ T10] __sys_sendmsg+0xcd/0x170 [ 2678.999737][ T10] do_syscall_64+0xc6/0x1e0 [ 2678.999737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2678.999737][ T10] [ 2679.001511][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2679.001511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2679.001511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2679.001511][ T10] ipv6_find_idev+0x102/0x170 [ 2679.001511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2679.001511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.001511][ T10] netlink_rcv_skb+0x130/0x360 [ 2679.001511][ T10] netlink_unicast+0x449/0x710 [ 2679.001511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2679.001511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2679.001511][ T10] ___sys_sendmsg+0xee/0x170 [ 2679.001511][ T10] __sys_sendmsg+0xcd/0x170 [ 2679.001511][ T10] do_syscall_64+0xc6/0x1e0 [ 2679.001511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.001511][ T10] [ 2679.003553][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2679.003866][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2679.003866][ T10] netdev_get_by_index+0x5e/0x80 [ 2679.003866][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2679.003866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2679.003866][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2679.003866][ T10] ipv6_add_addr+0x411/0x2000 [ 2679.003866][ T10] inet6_addr_add+0x30e/0xa40 [ 2679.003866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2679.003866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.003866][ T10] netlink_rcv_skb+0x130/0x360 [ 2679.003866][ T10] netlink_unicast+0x449/0x710 [ 2679.003866][ T10] netlink_sendmsg+0x723/0xbe0 [ 2679.003866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2679.003866][ T10] ___sys_sendmsg+0xee/0x170 [ 2679.003866][ T10] __sys_sendmsg+0xcd/0x170 [ 2679.003866][ T10] do_syscall_64+0xc6/0x1e0 [ 2679.003866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.003866][ T10] [ 2679.005896][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2679.005896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2679.005896][ T10] ipv6_find_idev+0x102/0x170 [ 2679.005896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2679.005896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.005896][ T10] netlink_rcv_skb+0x130/0x360 [ 2679.005896][ T10] netlink_unicast+0x449/0x710 [ 2679.005896][ T10] netlink_sendmsg+0x723/0xbe0 [ 2679.005896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2679.005896][ T10] ___sys_sendmsg+0xee/0x170 [ 2679.005896][ T10] __sys_sendmsg+0xcd/0x170 [ 2679.005896][ T10] do_syscall_64+0xc6/0x1e0 [ 2679.005896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.005896][ T10] [ 2679.007650][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2679.007650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2679.007650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2679.007650][ T10] ipv6_find_idev+0x102/0x170 [ 2679.007650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2679.007650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.007650][ T10] netlink_rcv_skb+0x130/0x360 [ 2679.007650][ T10] netlink_unicast+0x449/0x710 [ 2679.007650][ T10] netlink_sendmsg+0x723/0xbe0 [ 2679.007650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2679.007650][ T10] ___sys_sendmsg+0xee/0x170 [ 2679.007650][ T10] __sys_sendmsg+0xcd/0x170 [ 2679.007650][ T10] do_syscall_64+0xc6/0x1e0 [ 2679.007650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.007650][ T10] [ 2679.009505][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2679.009889][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2679.009889][ T10] netdev_get_by_index+0x5e/0x80 [ 2679.009889][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2679.009889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2679.009889][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2679.009889][ T10] ipv6_add_addr+0x411/0x2000 [ 2679.009889][ T10] inet6_addr_add+0x30e/0xa40 [ 2679.009889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2679.009889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.009889][ T10] netlink_rcv_skb+0x130/0x360 [ 2679.009889][ T10] netlink_unicast+0x449/0x710 [ 2679.009889][ T10] netlink_sendmsg+0x723/0xbe0 [ 2679.009889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2679.009889][ T10] ___sys_sendmsg+0xee/0x170 [ 2679.009889][ T10] __sys_sendmsg+0xcd/0x170 [ 2679.009889][ T10] do_syscall_64+0xc6/0x1e0 [ 2679.009889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.009889][ T10] [ 2679.012113][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2679.012113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2679.012113][ T10] ipv6_find_idev+0x102/0x170 [ 2679.012113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2679.012113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.012113][ T10] netlink_rcv_skb+0x130/0x360 [ 2679.012113][ T10] netlink_unicast+0x449/0x710 [ 2679.012113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2679.012113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2679.012113][ T10] ___sys_sendmsg+0xee/0x170 [ 2679.012113][ T10] __sys_sendmsg+0xcd/0x170 [ 2679.012113][ T10] do_syscall_64+0xc6/0x1e0 [ 2679.012113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.012113][ T10] [ 2679.013905][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2679.013905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2679.013905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2679.013905][ T10] ipv6_find_idev+0x102/0x170 [ 2679.013905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2679.013905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.013905][ T10] netlink_rcv_skb+0x130/0x360 [ 2679.013905][ T10] netlink_unicast+0x449/0x710 [ 2679.013905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2679.013905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2679.013905][ T10] ___sys_sendmsg+0xee/0x170 [ 2679.013905][ T10] __sys_sendmsg+0xcd/0x170 [ 2679.013905][ T10] do_syscall_64+0xc6/0x1e0 [ 2679.013905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.013905][ T10] [ 2689.177300][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2689.177769][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2689.177769][ T10] netdev_get_by_index+0x5e/0x80 [ 2689.177769][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2689.177769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2689.177769][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2689.177769][ T10] ipv6_add_addr+0x411/0x2000 [ 2689.177769][ T10] inet6_addr_add+0x30e/0xa40 [ 2689.177769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.177769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.177769][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.177769][ T10] netlink_unicast+0x449/0x710 [ 2689.177769][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.177769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.177769][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.177769][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.177769][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.177769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.177769][ T10] [ 2689.180117][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2689.180117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2689.180117][ T10] ipv6_find_idev+0x102/0x170 [ 2689.180117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.180117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.180117][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.180117][ T10] netlink_unicast+0x449/0x710 [ 2689.180117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.180117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.180117][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.180117][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.180117][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.180117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.180117][ T10] [ 2689.181929][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2689.181929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2689.181929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2689.181929][ T10] ipv6_find_idev+0x102/0x170 [ 2689.181929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.181929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.181929][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.181929][ T10] netlink_unicast+0x449/0x710 [ 2689.181929][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.181929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.181929][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.181929][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.181929][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.181929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.181929][ T10] [ 2689.183864][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2689.184192][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2689.184192][ T10] netdev_get_by_index+0x5e/0x80 [ 2689.184192][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2689.184192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2689.184192][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2689.184192][ T10] ipv6_add_addr+0x411/0x2000 [ 2689.184192][ T10] inet6_addr_add+0x30e/0xa40 [ 2689.184192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.184192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.184192][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.184192][ T10] netlink_unicast+0x449/0x710 [ 2689.184192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.184192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.184192][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.184192][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.184192][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.184192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.184192][ T10] [ 2689.186504][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2689.186504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2689.186504][ T10] ipv6_find_idev+0x102/0x170 [ 2689.186504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.186504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.186504][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.186504][ T10] netlink_unicast+0x449/0x710 [ 2689.186504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.186504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.186504][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.186504][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.186504][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.186504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.186504][ T10] [ 2689.188274][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2689.188274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2689.188274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2689.188274][ T10] ipv6_find_idev+0x102/0x170 [ 2689.188274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.188274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.188274][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.188274][ T10] netlink_unicast+0x449/0x710 [ 2689.188274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.188274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.188274][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.188274][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.188274][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.188274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.188274][ T10] [ 2689.190209][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2689.190523][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2689.190523][ T10] netdev_get_by_index+0x5e/0x80 [ 2689.190523][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2689.190523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2689.190523][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2689.190523][ T10] ipv6_add_addr+0x411/0x2000 [ 2689.190523][ T10] inet6_addr_add+0x30e/0xa40 [ 2689.190523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.190523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.190523][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.190523][ T10] netlink_unicast+0x449/0x710 [ 2689.190523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.190523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.190523][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.190523][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.190523][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.190523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.190523][ T10] [ 2689.192796][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2689.192796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2689.192796][ T10] ipv6_find_idev+0x102/0x170 [ 2689.192796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.192796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.192796][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.192796][ T10] netlink_unicast+0x449/0x710 [ 2689.192796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.192796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.192796][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.192796][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.192796][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.192796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.192796][ T10] [ 2689.194562][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2689.194562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2689.194562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2689.194562][ T10] ipv6_find_idev+0x102/0x170 [ 2689.194562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.194562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.194562][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.194562][ T10] netlink_unicast+0x449/0x710 [ 2689.194562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.194562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.194562][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.194562][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.194562][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.194562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.194562][ T10] [ 2689.196682][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2689.196974][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2689.196974][ T10] netdev_get_by_index+0x5e/0x80 [ 2689.196974][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2689.196974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2689.196974][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2689.196974][ T10] ipv6_add_addr+0x411/0x2000 [ 2689.196974][ T10] inet6_addr_add+0x30e/0xa40 [ 2689.196974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.196974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.196974][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.196974][ T10] netlink_unicast+0x449/0x710 [ 2689.196974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.196974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.196974][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.196974][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.196974][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.196974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.196974][ T10] [ 2689.199484][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2689.199484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2689.199484][ T10] ipv6_find_idev+0x102/0x170 [ 2689.199484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.199484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.199484][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.199484][ T10] netlink_unicast+0x449/0x710 [ 2689.199484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.199484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.199484][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.199484][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.199484][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.199484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.199484][ T10] [ 2689.201406][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2689.201406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2689.201406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2689.201406][ T10] ipv6_find_idev+0x102/0x170 [ 2689.201406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.201406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.201406][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.201406][ T10] netlink_unicast+0x449/0x710 [ 2689.201406][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.201406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.201406][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.201406][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.201406][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.201406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.201406][ T10] [ 2689.203568][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2689.203866][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2689.203866][ T10] netdev_get_by_index+0x5e/0x80 [ 2689.203866][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2689.203866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2689.203866][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2689.203866][ T10] ipv6_add_addr+0x411/0x2000 [ 2689.203866][ T10] inet6_addr_add+0x30e/0xa40 [ 2689.203866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.203866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.203866][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.203866][ T10] netlink_unicast+0x449/0x710 [ 2689.203866][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.203866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.203866][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.203866][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.203866][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.203866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.203866][ T10] [ 2689.206286][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2689.206286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2689.206286][ T10] ipv6_find_idev+0x102/0x170 [ 2689.206286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.206286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.206286][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.206286][ T10] netlink_unicast+0x449/0x710 [ 2689.206286][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.206286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.206286][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.206286][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.206286][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.206286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.206286][ T10] [ 2689.208300][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2689.208300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2689.208300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2689.208300][ T10] ipv6_find_idev+0x102/0x170 [ 2689.208300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.208300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.208300][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.208300][ T10] netlink_unicast+0x449/0x710 [ 2689.208300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.208300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.208300][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.208300][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.208300][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.208300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.208300][ T10] [ 2689.210699][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2689.210989][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2689.210989][ T10] netdev_get_by_index+0x5e/0x80 [ 2689.210989][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2689.210989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2689.210989][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2689.210989][ T10] ipv6_add_addr+0x411/0x2000 [ 2689.210989][ T10] inet6_addr_add+0x30e/0xa40 [ 2689.210989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.210989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.210989][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.210989][ T10] netlink_unicast+0x449/0x710 [ 2689.210989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.210989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.210989][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.210989][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.210989][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.210989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.210989][ T10] [ 2689.213295][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2689.213295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2689.213295][ T10] ipv6_find_idev+0x102/0x170 [ 2689.213295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.213295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.213295][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.213295][ T10] netlink_unicast+0x449/0x710 [ 2689.213295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.213295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.213295][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.213295][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.213295][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.213295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.213295][ T10] [ 2689.215084][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2689.215084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2689.215084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2689.215084][ T10] ipv6_find_idev+0x102/0x170 [ 2689.215084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.215084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.215084][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.215084][ T10] netlink_unicast+0x449/0x710 [ 2689.215084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.215084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.215084][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.215084][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.215084][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.215084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.215084][ T10] [ 2689.217331][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2689.217625][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2689.217625][ T10] netdev_get_by_index+0x5e/0x80 [ 2689.217625][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2689.217625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2689.217625][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2689.217625][ T10] ipv6_add_addr+0x411/0x2000 [ 2689.217625][ T10] inet6_addr_add+0x30e/0xa40 [ 2689.217625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.217625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.217625][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.217625][ T10] netlink_unicast+0x449/0x710 [ 2689.217625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.217625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.217625][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.217625][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.217625][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.217625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.217625][ T10] [ 2689.219957][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2689.219957][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2689.219957][ T10] ipv6_find_idev+0x102/0x170 [ 2689.219957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.219957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.219957][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.219957][ T10] netlink_unicast+0x449/0x710 [ 2689.219957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.219957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.219957][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.219957][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.219957][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.219957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.219957][ T10] [ 2689.221793][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2689.221793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2689.221793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2689.221793][ T10] ipv6_find_idev+0x102/0x170 [ 2689.221793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.221793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.221793][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.221793][ T10] netlink_unicast+0x449/0x710 [ 2689.221793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.221793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.221793][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.221793][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.221793][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.221793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.221793][ T10] [ 2689.224003][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2689.224369][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2689.224369][ T10] netdev_get_by_index+0x5e/0x80 [ 2689.224369][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2689.224369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2689.224369][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2689.224369][ T10] ipv6_add_addr+0x411/0x2000 [ 2689.224369][ T10] inet6_addr_add+0x30e/0xa40 [ 2689.224369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.224369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.224369][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.224369][ T10] netlink_unicast+0x449/0x710 [ 2689.224369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.224369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.224369][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.224369][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.224369][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.224369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.224369][ T10] [ 2689.226917][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2689.226917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2689.226917][ T10] ipv6_find_idev+0x102/0x170 [ 2689.226917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.226917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.226917][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.226917][ T10] netlink_unicast+0x449/0x710 [ 2689.226917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.226917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.226917][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.226917][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.226917][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.226917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.226917][ T10] [ 2689.228801][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2689.228801][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2689.228801][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2689.228801][ T10] ipv6_find_idev+0x102/0x170 [ 2689.228801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.228801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.228801][ T10] netlink_rcv_skb+0x130/0x360 [ 2689.228801][ T10] netlink_unicast+0x449/0x710 [ 2689.228801][ T10] netlink_sendmsg+0x723/0xbe0 [ 2689.228801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2689.228801][ T10] ___sys_sendmsg+0xee/0x170 [ 2689.228801][ T10] __sys_sendmsg+0xcd/0x170 [ 2689.228801][ T10] do_syscall_64+0xc6/0x1e0 [ 2689.228801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.228801][ T10] [ 2699.360116][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2699.360470][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2699.360470][ T10] netdev_get_by_index+0x5e/0x80 [ 2699.360470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2699.360470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2699.360470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2699.360470][ T10] ipv6_add_addr+0x411/0x2000 [ 2699.360470][ T10] inet6_addr_add+0x30e/0xa40 [ 2699.360470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2699.360470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.360470][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.360470][ T10] netlink_unicast+0x449/0x710 [ 2699.360470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.360470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.360470][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.360470][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.360470][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.360470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.360470][ T10] [ 2699.362471][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2699.362471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2699.362471][ T10] ipv6_find_idev+0x102/0x170 [ 2699.362471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.362471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.362471][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.362471][ T10] netlink_unicast+0x449/0x710 [ 2699.362471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.362471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.362471][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.362471][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.362471][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.362471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.362471][ T10] [ 2699.364019][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2699.364019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2699.364019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2699.364019][ T10] ipv6_find_idev+0x102/0x170 [ 2699.364019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.364019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.364019][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.364019][ T10] netlink_unicast+0x449/0x710 [ 2699.364019][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.364019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.364019][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.364019][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.364019][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.364019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.364019][ T10] [ 2699.365696][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2699.365958][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2699.365958][ T10] netdev_get_by_index+0x5e/0x80 [ 2699.365958][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2699.365958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2699.365958][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2699.365958][ T10] ipv6_add_addr+0x411/0x2000 [ 2699.365958][ T10] inet6_addr_add+0x30e/0xa40 [ 2699.365958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2699.365958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.365958][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.365958][ T10] netlink_unicast+0x449/0x710 [ 2699.365958][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.365958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.365958][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.365958][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.365958][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.365958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.365958][ T10] [ 2699.367945][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2699.367945][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2699.367945][ T10] ipv6_find_idev+0x102/0x170 [ 2699.367945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.367945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.367945][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.367945][ T10] netlink_unicast+0x449/0x710 [ 2699.367945][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.367945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.367945][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.367945][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.367945][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.367945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.367945][ T10] [ 2699.369430][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2699.369430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2699.369430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2699.369430][ T10] ipv6_find_idev+0x102/0x170 [ 2699.369430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.369430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.369430][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.369430][ T10] netlink_unicast+0x449/0x710 [ 2699.369430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.369430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.369430][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.369430][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.369430][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.369430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.369430][ T10] [ 2699.371175][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2699.371465][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2699.371465][ T10] netdev_get_by_index+0x5e/0x80 [ 2699.371465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2699.371465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2699.371465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2699.371465][ T10] ipv6_add_addr+0x411/0x2000 [ 2699.371465][ T10] inet6_addr_add+0x30e/0xa40 [ 2699.371465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2699.371465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.371465][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.371465][ T10] netlink_unicast+0x449/0x710 [ 2699.371465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.371465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.371465][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.371465][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.371465][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.371465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.371465][ T10] [ 2699.373445][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2699.373445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2699.373445][ T10] ipv6_find_idev+0x102/0x170 [ 2699.373445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.373445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.373445][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.373445][ T10] netlink_unicast+0x449/0x710 [ 2699.373445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.373445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.373445][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.373445][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.373445][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.373445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.373445][ T10] [ 2699.374974][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2699.374974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2699.374974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2699.374974][ T10] ipv6_find_idev+0x102/0x170 [ 2699.374974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.374974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.374974][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.374974][ T10] netlink_unicast+0x449/0x710 [ 2699.374974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.374974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.374974][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.374974][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.374974][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.374974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.374974][ T10] [ 2699.376616][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2699.376875][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2699.376875][ T10] netdev_get_by_index+0x5e/0x80 [ 2699.376875][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2699.376875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2699.376875][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2699.376875][ T10] ipv6_add_addr+0x411/0x2000 [ 2699.376875][ T10] inet6_addr_add+0x30e/0xa40 [ 2699.376875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2699.376875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.376875][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.376875][ T10] netlink_unicast+0x449/0x710 [ 2699.376875][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.376875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.376875][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.376875][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.376875][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.376875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.376875][ T10] [ 2699.378930][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2699.378930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2699.378930][ T10] ipv6_find_idev+0x102/0x170 [ 2699.378930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.378930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.378930][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.378930][ T10] netlink_unicast+0x449/0x710 [ 2699.378930][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.378930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.378930][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.378930][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.378930][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.378930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.378930][ T10] [ 2699.380426][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2699.380426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2699.380426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2699.380426][ T10] ipv6_find_idev+0x102/0x170 [ 2699.380426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.380426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.380426][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.380426][ T10] netlink_unicast+0x449/0x710 [ 2699.380426][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.380426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.380426][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.380426][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.380426][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.380426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.380426][ T10] [ 2699.382791][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2699.383062][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2699.383062][ T10] netdev_get_by_index+0x5e/0x80 [ 2699.383062][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2699.383062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2699.383062][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2699.383062][ T10] ipv6_add_addr+0x411/0x2000 [ 2699.383062][ T10] inet6_addr_add+0x30e/0xa40 [ 2699.383062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2699.383062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.383062][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.383062][ T10] netlink_unicast+0x449/0x710 [ 2699.383062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.383062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.383062][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.383062][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.383062][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.383062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.383062][ T10] [ 2699.385057][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2699.385057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2699.385057][ T10] ipv6_find_idev+0x102/0x170 [ 2699.385057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.385057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.385057][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.385057][ T10] netlink_unicast+0x449/0x710 [ 2699.385057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.385057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.385057][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.385057][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.385057][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.385057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.385057][ T10] [ 2699.386698][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2699.386698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2699.386698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2699.386698][ T10] ipv6_find_idev+0x102/0x170 [ 2699.386698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.386698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.386698][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.386698][ T10] netlink_unicast+0x449/0x710 [ 2699.386698][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.386698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.386698][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.386698][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.386698][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.386698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.386698][ T10] [ 2699.388481][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2699.388749][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2699.388749][ T10] netdev_get_by_index+0x5e/0x80 [ 2699.388749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2699.388749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2699.388749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2699.388749][ T10] ipv6_add_addr+0x411/0x2000 [ 2699.388749][ T10] inet6_addr_add+0x30e/0xa40 [ 2699.388749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2699.388749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.388749][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.388749][ T10] netlink_unicast+0x449/0x710 [ 2699.388749][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.388749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.388749][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.388749][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.388749][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.388749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.388749][ T10] [ 2699.390908][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2699.390908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2699.390908][ T10] ipv6_find_idev+0x102/0x170 [ 2699.390908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.390908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.390908][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.390908][ T10] netlink_unicast+0x449/0x710 [ 2699.390908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.390908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.390908][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.390908][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.390908][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.390908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.390908][ T10] [ 2699.392609][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2699.392609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2699.392609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2699.392609][ T10] ipv6_find_idev+0x102/0x170 [ 2699.392609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.392609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.392609][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.392609][ T10] netlink_unicast+0x449/0x710 [ 2699.392609][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.392609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.392609][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.392609][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.392609][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.392609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.392609][ T10] [ 2699.394435][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2699.394707][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2699.394707][ T10] netdev_get_by_index+0x5e/0x80 [ 2699.394707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2699.394707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2699.394707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2699.394707][ T10] ipv6_add_addr+0x411/0x2000 [ 2699.394707][ T10] inet6_addr_add+0x30e/0xa40 [ 2699.394707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2699.394707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.394707][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.394707][ T10] netlink_unicast+0x449/0x710 [ 2699.394707][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.394707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.394707][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.394707][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.394707][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.394707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.394707][ T10] [ 2699.396933][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2699.396933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2699.396933][ T10] ipv6_find_idev+0x102/0x170 [ 2699.396933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.396933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.396933][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.396933][ T10] netlink_unicast+0x449/0x710 [ 2699.396933][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.396933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.396933][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.396933][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.396933][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.396933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.396933][ T10] [ 2699.398646][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2699.398646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2699.398646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2699.398646][ T10] ipv6_find_idev+0x102/0x170 [ 2699.398646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.398646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.398646][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.398646][ T10] netlink_unicast+0x449/0x710 [ 2699.398646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.398646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.398646][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.398646][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.398646][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.398646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.398646][ T10] [ 2699.400432][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2699.400707][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2699.400707][ T10] netdev_get_by_index+0x5e/0x80 [ 2699.400707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2699.400707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2699.400707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2699.400707][ T10] ipv6_add_addr+0x411/0x2000 [ 2699.400707][ T10] inet6_addr_add+0x30e/0xa40 [ 2699.400707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2699.400707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.400707][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.400707][ T10] netlink_unicast+0x449/0x710 [ 2699.400707][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.400707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.400707][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.400707][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.400707][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.400707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.400707][ T10] [ 2699.402902][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2699.402902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2699.402902][ T10] ipv6_find_idev+0x102/0x170 [ 2699.402902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.402902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.402902][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.402902][ T10] netlink_unicast+0x449/0x710 [ 2699.402902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.402902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.402902][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.402902][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.402902][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.402902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.402902][ T10] [ 2699.404679][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2699.404679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2699.404679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2699.404679][ T10] ipv6_find_idev+0x102/0x170 [ 2699.404679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2699.404679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2699.404679][ T10] netlink_rcv_skb+0x130/0x360 [ 2699.404679][ T10] netlink_unicast+0x449/0x710 [ 2699.404679][ T10] netlink_sendmsg+0x723/0xbe0 [ 2699.404679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2699.404679][ T10] ___sys_sendmsg+0xee/0x170 [ 2699.404679][ T10] __sys_sendmsg+0xcd/0x170 [ 2699.404679][ T10] do_syscall_64+0xc6/0x1e0 [ 2699.404679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2699.404679][ T10] [ 2709.513286][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2709.513755][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2709.513755][ T10] netdev_get_by_index+0x5e/0x80 [ 2709.513755][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2709.513755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2709.513755][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2709.513755][ T10] ipv6_add_addr+0x411/0x2000 [ 2709.513755][ T10] inet6_addr_add+0x30e/0xa40 [ 2709.513755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.513755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.513755][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.513755][ T10] netlink_unicast+0x449/0x710 [ 2709.513755][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.513755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.513755][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.513755][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.513755][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.513755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.513755][ T10] [ 2709.516226][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2709.516226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2709.516226][ T10] ipv6_find_idev+0x102/0x170 [ 2709.516226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.516226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.516226][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.516226][ T10] netlink_unicast+0x449/0x710 [ 2709.516226][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.516226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.516226][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.516226][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.516226][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.516226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.516226][ T10] [ 2709.517980][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2709.517980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2709.517980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2709.517980][ T10] ipv6_find_idev+0x102/0x170 [ 2709.517980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.517980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.517980][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.517980][ T10] netlink_unicast+0x449/0x710 [ 2709.517980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.517980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.517980][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.517980][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.517980][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.517980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.517980][ T10] [ 2709.519898][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2709.520208][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2709.520208][ T10] netdev_get_by_index+0x5e/0x80 [ 2709.520208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2709.520208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2709.520208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2709.520208][ T10] ipv6_add_addr+0x411/0x2000 [ 2709.520208][ T10] inet6_addr_add+0x30e/0xa40 [ 2709.520208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.520208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.520208][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.520208][ T10] netlink_unicast+0x449/0x710 [ 2709.520208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.520208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.520208][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.520208][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.520208][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.520208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.520208][ T10] [ 2709.522483][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2709.522483][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2709.522483][ T10] ipv6_find_idev+0x102/0x170 [ 2709.522483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.522483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.522483][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.522483][ T10] netlink_unicast+0x449/0x710 [ 2709.522483][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.522483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.522483][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.522483][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.522483][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.522483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.522483][ T10] [ 2709.524236][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2709.524236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2709.524236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2709.524236][ T10] ipv6_find_idev+0x102/0x170 [ 2709.524236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.524236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.524236][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.524236][ T10] netlink_unicast+0x449/0x710 [ 2709.524236][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.524236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.524236][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.524236][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.524236][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.524236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.524236][ T10] [ 2709.526614][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2709.526908][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2709.526908][ T10] netdev_get_by_index+0x5e/0x80 [ 2709.526908][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2709.526908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2709.526908][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2709.526908][ T10] ipv6_add_addr+0x411/0x2000 [ 2709.526908][ T10] inet6_addr_add+0x30e/0xa40 [ 2709.526908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.526908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.526908][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.526908][ T10] netlink_unicast+0x449/0x710 [ 2709.526908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.526908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.526908][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.526908][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.526908][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.526908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.526908][ T10] [ 2709.529181][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2709.529181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2709.529181][ T10] ipv6_find_idev+0x102/0x170 [ 2709.529181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.529181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.529181][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.529181][ T10] netlink_unicast+0x449/0x710 [ 2709.529181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.529181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.529181][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.529181][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.529181][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.529181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.529181][ T10] [ 2709.530962][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2709.530962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2709.530962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2709.530962][ T10] ipv6_find_idev+0x102/0x170 [ 2709.530962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.530962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.530962][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.530962][ T10] netlink_unicast+0x449/0x710 [ 2709.530962][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.530962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.530962][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.530962][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.530962][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.530962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.530962][ T10] [ 2709.533014][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2709.533380][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2709.533380][ T10] netdev_get_by_index+0x5e/0x80 [ 2709.533380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2709.533380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2709.533380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2709.533380][ T10] ipv6_add_addr+0x411/0x2000 [ 2709.533380][ T10] inet6_addr_add+0x30e/0xa40 [ 2709.533380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.533380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.533380][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.533380][ T10] netlink_unicast+0x449/0x710 [ 2709.533380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.533380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.533380][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.533380][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.533380][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.533380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.533380][ T10] [ 2709.535803][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2709.535803][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2709.535803][ T10] ipv6_find_idev+0x102/0x170 [ 2709.535803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.535803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.535803][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.535803][ T10] netlink_unicast+0x449/0x710 [ 2709.535803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.535803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.535803][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.535803][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.535803][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.535803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.535803][ T10] [ 2709.537696][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2709.537696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2709.537696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2709.537696][ T10] ipv6_find_idev+0x102/0x170 [ 2709.537696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.537696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.537696][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.537696][ T10] netlink_unicast+0x449/0x710 [ 2709.537696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.537696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.537696][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.537696][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.537696][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.537696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.537696][ T10] [ 2709.539862][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2709.540217][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2709.540217][ T10] netdev_get_by_index+0x5e/0x80 [ 2709.540217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2709.540217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2709.540217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2709.540217][ T10] ipv6_add_addr+0x411/0x2000 [ 2709.540217][ T10] inet6_addr_add+0x30e/0xa40 [ 2709.540217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.540217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.540217][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.540217][ T10] netlink_unicast+0x449/0x710 [ 2709.540217][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.540217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.540217][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.540217][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.540217][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.540217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.540217][ T10] [ 2709.542577][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2709.542577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2709.542577][ T10] ipv6_find_idev+0x102/0x170 [ 2709.542577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.542577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.542577][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.542577][ T10] netlink_unicast+0x449/0x710 [ 2709.542577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.542577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.542577][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.542577][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.542577][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.542577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.542577][ T10] [ 2709.544449][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2709.544449][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2709.544449][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2709.544449][ T10] ipv6_find_idev+0x102/0x170 [ 2709.544449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.544449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.544449][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.544449][ T10] netlink_unicast+0x449/0x710 [ 2709.544449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.544449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.544449][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.544449][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.544449][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.544449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.544449][ T10] [ 2709.546606][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2709.546901][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2709.546901][ T10] netdev_get_by_index+0x5e/0x80 [ 2709.546901][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2709.546901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2709.546901][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2709.546901][ T10] ipv6_add_addr+0x411/0x2000 [ 2709.546901][ T10] inet6_addr_add+0x30e/0xa40 [ 2709.546901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.546901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.546901][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.546901][ T10] netlink_unicast+0x449/0x710 [ 2709.546901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.546901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.546901][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.546901][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.546901][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.546901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.546901][ T10] [ 2709.549409][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2709.549409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2709.549409][ T10] ipv6_find_idev+0x102/0x170 [ 2709.549409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.549409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.549409][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.549409][ T10] netlink_unicast+0x449/0x710 [ 2709.549409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.549409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.549409][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.549409][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.549409][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.549409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.549409][ T10] [ 2709.551224][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2709.551224][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2709.551224][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2709.551224][ T10] ipv6_find_idev+0x102/0x170 [ 2709.551224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.551224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.551224][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.551224][ T10] netlink_unicast+0x449/0x710 [ 2709.551224][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.551224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.551224][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.551224][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.551224][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.551224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.551224][ T10] [ 2709.553547][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2709.553851][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2709.553851][ T10] netdev_get_by_index+0x5e/0x80 [ 2709.553851][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2709.553851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2709.553851][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2709.553851][ T10] ipv6_add_addr+0x411/0x2000 [ 2709.553851][ T10] inet6_addr_add+0x30e/0xa40 [ 2709.553851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.553851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.553851][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.553851][ T10] netlink_unicast+0x449/0x710 [ 2709.553851][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.553851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.553851][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.553851][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.553851][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.553851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.553851][ T10] [ 2709.556088][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2709.556088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2709.556088][ T10] ipv6_find_idev+0x102/0x170 [ 2709.556088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.556088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.556088][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.556088][ T10] netlink_unicast+0x449/0x710 [ 2709.556088][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.556088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.556088][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.556088][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.556088][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.556088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.556088][ T10] [ 2709.558001][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2709.558001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2709.558001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2709.558001][ T10] ipv6_find_idev+0x102/0x170 [ 2709.558001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.558001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.558001][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.558001][ T10] netlink_unicast+0x449/0x710 [ 2709.558001][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.558001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.558001][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.558001][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.558001][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.558001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.558001][ T10] [ 2709.560047][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2709.560410][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2709.560410][ T10] netdev_get_by_index+0x5e/0x80 [ 2709.560410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2709.560410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2709.560410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2709.560410][ T10] ipv6_add_addr+0x411/0x2000 [ 2709.560410][ T10] inet6_addr_add+0x30e/0xa40 [ 2709.560410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2709.560410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.560410][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.560410][ T10] netlink_unicast+0x449/0x710 [ 2709.560410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.560410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.560410][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.560410][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.560410][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.560410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.560410][ T10] [ 2709.562784][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2709.562784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2709.562784][ T10] ipv6_find_idev+0x102/0x170 [ 2709.562784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.562784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.562784][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.562784][ T10] netlink_unicast+0x449/0x710 [ 2709.562784][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.562784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.562784][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.562784][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.562784][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.562784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.562784][ T10] [ 2709.564688][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2709.564688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2709.564688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2709.564688][ T10] ipv6_find_idev+0x102/0x170 [ 2709.564688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2709.564688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2709.564688][ T10] netlink_rcv_skb+0x130/0x360 [ 2709.564688][ T10] netlink_unicast+0x449/0x710 [ 2709.564688][ T10] netlink_sendmsg+0x723/0xbe0 [ 2709.564688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2709.564688][ T10] ___sys_sendmsg+0xee/0x170 [ 2709.564688][ T10] __sys_sendmsg+0xcd/0x170 [ 2709.564688][ T10] do_syscall_64+0xc6/0x1e0 [ 2709.564688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2709.564688][ T10] [ 2719.760139][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2719.760507][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2719.760507][ T10] netdev_get_by_index+0x5e/0x80 [ 2719.760507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2719.760507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2719.760507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2719.760507][ T10] ipv6_add_addr+0x411/0x2000 [ 2719.760507][ T10] inet6_addr_add+0x30e/0xa40 [ 2719.760507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.760507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.760507][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.760507][ T10] netlink_unicast+0x449/0x710 [ 2719.760507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.760507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.760507][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.760507][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.760507][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.760507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.760507][ T10] [ 2719.762583][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2719.762583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2719.762583][ T10] ipv6_find_idev+0x102/0x170 [ 2719.762583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.762583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.762583][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.762583][ T10] netlink_unicast+0x449/0x710 [ 2719.762583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.762583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.762583][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.762583][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.762583][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.762583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.762583][ T10] [ 2719.764166][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2719.764166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2719.764166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2719.764166][ T10] ipv6_find_idev+0x102/0x170 [ 2719.764166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.764166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.764166][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.764166][ T10] netlink_unicast+0x449/0x710 [ 2719.764166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.764166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.764166][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.764166][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.764166][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.764166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.764166][ T10] [ 2719.765895][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2719.766192][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2719.766192][ T10] netdev_get_by_index+0x5e/0x80 [ 2719.766192][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2719.766192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2719.766192][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2719.766192][ T10] ipv6_add_addr+0x411/0x2000 [ 2719.766192][ T10] inet6_addr_add+0x30e/0xa40 [ 2719.766192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.766192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.766192][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.766192][ T10] netlink_unicast+0x449/0x710 [ 2719.766192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.766192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.766192][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.766192][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.766192][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.766192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.766192][ T10] [ 2719.768237][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2719.768237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2719.768237][ T10] ipv6_find_idev+0x102/0x170 [ 2719.768237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.768237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.768237][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.768237][ T10] netlink_unicast+0x449/0x710 [ 2719.768237][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.768237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.768237][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.768237][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.768237][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.768237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.768237][ T10] [ 2719.769827][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2719.769827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2719.769827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2719.769827][ T10] ipv6_find_idev+0x102/0x170 [ 2719.769827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.769827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.769827][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.769827][ T10] netlink_unicast+0x449/0x710 [ 2719.769827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.769827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.769827][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.769827][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.769827][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.769827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.769827][ T10] [ 2719.771658][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2719.772006][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2719.772006][ T10] netdev_get_by_index+0x5e/0x80 [ 2719.772006][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2719.772006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2719.772006][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2719.772006][ T10] ipv6_add_addr+0x411/0x2000 [ 2719.772006][ T10] inet6_addr_add+0x30e/0xa40 [ 2719.772006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.772006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.772006][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.772006][ T10] netlink_unicast+0x449/0x710 [ 2719.772006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.772006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.772006][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.772006][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.772006][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.772006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.772006][ T10] [ 2719.774250][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2719.774250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2719.774250][ T10] ipv6_find_idev+0x102/0x170 [ 2719.774250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.774250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.774250][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.774250][ T10] netlink_unicast+0x449/0x710 [ 2719.774250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.774250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.774250][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.774250][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.774250][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.774250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.774250][ T10] [ 2719.775877][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2719.775877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2719.775877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2719.775877][ T10] ipv6_find_idev+0x102/0x170 [ 2719.775877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.775877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.775877][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.775877][ T10] netlink_unicast+0x449/0x710 [ 2719.775877][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.775877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.775877][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.775877][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.775877][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.775877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.775877][ T10] [ 2719.777701][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2719.777959][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2719.777959][ T10] netdev_get_by_index+0x5e/0x80 [ 2719.777959][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2719.777959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2719.777959][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2719.777959][ T10] ipv6_add_addr+0x411/0x2000 [ 2719.777959][ T10] inet6_addr_add+0x30e/0xa40 [ 2719.777959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.777959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.777959][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.777959][ T10] netlink_unicast+0x449/0x710 [ 2719.777959][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.777959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.777959][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.777959][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.777959][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.777959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.777959][ T10] [ 2719.780202][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2719.780202][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2719.780202][ T10] ipv6_find_idev+0x102/0x170 [ 2719.780202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.780202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.780202][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.780202][ T10] netlink_unicast+0x449/0x710 [ 2719.780202][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.780202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.780202][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.780202][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.780202][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.780202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.780202][ T10] [ 2719.781804][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2719.781804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2719.781804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2719.781804][ T10] ipv6_find_idev+0x102/0x170 [ 2719.781804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.781804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.781804][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.781804][ T10] netlink_unicast+0x449/0x710 [ 2719.781804][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.781804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.781804][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.781804][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.781804][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.781804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.781804][ T10] [ 2719.783548][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2719.783817][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2719.783817][ T10] netdev_get_by_index+0x5e/0x80 [ 2719.783817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2719.783817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2719.783817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2719.783817][ T10] ipv6_add_addr+0x411/0x2000 [ 2719.783817][ T10] inet6_addr_add+0x30e/0xa40 [ 2719.783817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.783817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.783817][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.783817][ T10] netlink_unicast+0x449/0x710 [ 2719.783817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.783817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.783817][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.783817][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.783817][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.783817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.783817][ T10] [ 2719.786100][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2719.786100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2719.786100][ T10] ipv6_find_idev+0x102/0x170 [ 2719.786100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.786100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.786100][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.786100][ T10] netlink_unicast+0x449/0x710 [ 2719.786100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.786100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.786100][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.786100][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.786100][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.786100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.786100][ T10] [ 2719.787779][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2719.787779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2719.787779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2719.787779][ T10] ipv6_find_idev+0x102/0x170 [ 2719.787779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.787779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.787779][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.787779][ T10] netlink_unicast+0x449/0x710 [ 2719.787779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.787779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.787779][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.787779][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.787779][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.787779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.787779][ T10] [ 2719.789783][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2719.790066][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2719.790066][ T10] netdev_get_by_index+0x5e/0x80 [ 2719.790066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2719.790066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2719.790066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2719.790066][ T10] ipv6_add_addr+0x411/0x2000 [ 2719.790066][ T10] inet6_addr_add+0x30e/0xa40 [ 2719.790066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.790066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.790066][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.790066][ T10] netlink_unicast+0x449/0x710 [ 2719.790066][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.790066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.790066][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.790066][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.790066][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.790066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.790066][ T10] [ 2719.792225][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2719.792225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2719.792225][ T10] ipv6_find_idev+0x102/0x170 [ 2719.792225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.792225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.792225][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.792225][ T10] netlink_unicast+0x449/0x710 [ 2719.792225][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.792225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.792225][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.792225][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.792225][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.792225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.792225][ T10] [ 2719.793833][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2719.793833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2719.793833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2719.793833][ T10] ipv6_find_idev+0x102/0x170 [ 2719.793833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.793833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.793833][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.793833][ T10] netlink_unicast+0x449/0x710 [ 2719.793833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.793833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.793833][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.793833][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.793833][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.793833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.793833][ T10] [ 2719.796230][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2719.796557][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2719.796557][ T10] netdev_get_by_index+0x5e/0x80 [ 2719.796557][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2719.796557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2719.796557][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2719.796557][ T10] ipv6_add_addr+0x411/0x2000 [ 2719.796557][ T10] inet6_addr_add+0x30e/0xa40 [ 2719.796557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.796557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.796557][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.796557][ T10] netlink_unicast+0x449/0x710 [ 2719.796557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.796557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.796557][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.796557][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.796557][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.796557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.796557][ T10] [ 2719.798643][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2719.798643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2719.798643][ T10] ipv6_find_idev+0x102/0x170 [ 2719.798643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.798643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.798643][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.798643][ T10] netlink_unicast+0x449/0x710 [ 2719.798643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.798643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.798643][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.798643][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.798643][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.798643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.798643][ T10] [ 2719.800489][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2719.800489][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2719.800489][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2719.800489][ T10] ipv6_find_idev+0x102/0x170 [ 2719.800489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.800489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.800489][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.800489][ T10] netlink_unicast+0x449/0x710 [ 2719.800489][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.800489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.800489][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.800489][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.800489][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.800489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.800489][ T10] [ 2719.802583][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2719.802973][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2719.802973][ T10] netdev_get_by_index+0x5e/0x80 [ 2719.802973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2719.802973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2719.802973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2719.802973][ T10] ipv6_add_addr+0x411/0x2000 [ 2719.802973][ T10] inet6_addr_add+0x30e/0xa40 [ 2719.802973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2719.802973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.802973][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.802973][ T10] netlink_unicast+0x449/0x710 [ 2719.802973][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.802973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.802973][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.802973][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.802973][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.802973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.802973][ T10] [ 2719.805154][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2719.805154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2719.805154][ T10] ipv6_find_idev+0x102/0x170 [ 2719.805154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.805154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.805154][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.805154][ T10] netlink_unicast+0x449/0x710 [ 2719.805154][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.805154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.805154][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.805154][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.805154][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.805154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.805154][ T10] [ 2719.806944][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2719.806944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2719.806944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2719.806944][ T10] ipv6_find_idev+0x102/0x170 [ 2719.806944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2719.806944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2719.806944][ T10] netlink_rcv_skb+0x130/0x360 [ 2719.806944][ T10] netlink_unicast+0x449/0x710 [ 2719.806944][ T10] netlink_sendmsg+0x723/0xbe0 [ 2719.806944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2719.806944][ T10] ___sys_sendmsg+0xee/0x170 [ 2719.806944][ T10] __sys_sendmsg+0xcd/0x170 [ 2719.806944][ T10] do_syscall_64+0xc6/0x1e0 [ 2719.806944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2719.806944][ T10] [ 2729.928133][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2729.928449][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2729.928449][ T10] netdev_get_by_index+0x5e/0x80 [ 2729.928449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2729.928449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2729.928449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2729.928449][ T10] ipv6_add_addr+0x411/0x2000 [ 2729.928449][ T10] inet6_addr_add+0x30e/0xa40 [ 2729.928449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.928449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.928449][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.928449][ T10] netlink_unicast+0x449/0x710 [ 2729.928449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.928449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.928449][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.928449][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.928449][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.928449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.928449][ T10] [ 2729.930444][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2729.930444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2729.930444][ T10] ipv6_find_idev+0x102/0x170 [ 2729.930444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.930444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.930444][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.930444][ T10] netlink_unicast+0x449/0x710 [ 2729.930444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.930444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.930444][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.930444][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.930444][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.930444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.930444][ T10] [ 2729.931981][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2729.931981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2729.931981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2729.931981][ T10] ipv6_find_idev+0x102/0x170 [ 2729.931981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.931981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.931981][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.931981][ T10] netlink_unicast+0x449/0x710 [ 2729.931981][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.931981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.931981][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.931981][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.931981][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.931981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.931981][ T10] [ 2729.933677][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2729.933939][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2729.933939][ T10] netdev_get_by_index+0x5e/0x80 [ 2729.933939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2729.933939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2729.933939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2729.933939][ T10] ipv6_add_addr+0x411/0x2000 [ 2729.933939][ T10] inet6_addr_add+0x30e/0xa40 [ 2729.933939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.933939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.933939][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.933939][ T10] netlink_unicast+0x449/0x710 [ 2729.933939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.933939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.933939][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.933939][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.933939][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.933939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.933939][ T10] [ 2729.935861][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2729.935861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2729.935861][ T10] ipv6_find_idev+0x102/0x170 [ 2729.935861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.935861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.935861][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.935861][ T10] netlink_unicast+0x449/0x710 [ 2729.935861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.935861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.935861][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.935861][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.935861][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.935861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.935861][ T10] [ 2729.937356][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2729.937356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2729.937356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2729.937356][ T10] ipv6_find_idev+0x102/0x170 [ 2729.937356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.937356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.937356][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.937356][ T10] netlink_unicast+0x449/0x710 [ 2729.937356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.937356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.937356][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.937356][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.937356][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.937356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.937356][ T10] [ 2729.939059][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2729.939356][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2729.939356][ T10] netdev_get_by_index+0x5e/0x80 [ 2729.939356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2729.939356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2729.939356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2729.939356][ T10] ipv6_add_addr+0x411/0x2000 [ 2729.939356][ T10] inet6_addr_add+0x30e/0xa40 [ 2729.939356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.939356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.939356][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.939356][ T10] netlink_unicast+0x449/0x710 [ 2729.939356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.939356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.939356][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.939356][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.939356][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.939356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.939356][ T10] [ 2729.941336][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2729.941336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2729.941336][ T10] ipv6_find_idev+0x102/0x170 [ 2729.941336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.941336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.941336][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.941336][ T10] netlink_unicast+0x449/0x710 [ 2729.941336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.941336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.941336][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.941336][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.941336][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.941336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.941336][ T10] [ 2729.942877][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2729.942877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2729.942877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2729.942877][ T10] ipv6_find_idev+0x102/0x170 [ 2729.942877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.942877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.942877][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.942877][ T10] netlink_unicast+0x449/0x710 [ 2729.942877][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.942877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.942877][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.942877][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.942877][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.942877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.942877][ T10] [ 2729.944574][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2729.944845][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2729.944845][ T10] netdev_get_by_index+0x5e/0x80 [ 2729.944845][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2729.944845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2729.944845][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2729.944845][ T10] ipv6_add_addr+0x411/0x2000 [ 2729.944845][ T10] inet6_addr_add+0x30e/0xa40 [ 2729.944845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.944845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.944845][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.944845][ T10] netlink_unicast+0x449/0x710 [ 2729.944845][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.944845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.944845][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.944845][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.944845][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.944845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.944845][ T10] [ 2729.946858][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2729.946858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2729.946858][ T10] ipv6_find_idev+0x102/0x170 [ 2729.946858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.946858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.946858][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.946858][ T10] netlink_unicast+0x449/0x710 [ 2729.946858][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.946858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.946858][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.946858][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.946858][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.946858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.946858][ T10] [ 2729.948395][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2729.948395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2729.948395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2729.948395][ T10] ipv6_find_idev+0x102/0x170 [ 2729.948395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.948395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.948395][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.948395][ T10] netlink_unicast+0x449/0x710 [ 2729.948395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.948395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.948395][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.948395][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.948395][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.948395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.948395][ T10] [ 2729.950089][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2729.950425][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2729.950425][ T10] netdev_get_by_index+0x5e/0x80 [ 2729.950425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2729.950425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2729.950425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2729.950425][ T10] ipv6_add_addr+0x411/0x2000 [ 2729.950425][ T10] inet6_addr_add+0x30e/0xa40 [ 2729.950425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.950425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.950425][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.950425][ T10] netlink_unicast+0x449/0x710 [ 2729.950425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.950425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.950425][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.950425][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.950425][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.950425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.950425][ T10] [ 2729.952487][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2729.952487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2729.952487][ T10] ipv6_find_idev+0x102/0x170 [ 2729.952487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.952487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.952487][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.952487][ T10] netlink_unicast+0x449/0x710 [ 2729.952487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.952487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.952487][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.952487][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.952487][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.952487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.952487][ T10] [ 2729.954008][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2729.954008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2729.954008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2729.954008][ T10] ipv6_find_idev+0x102/0x170 [ 2729.954008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.954008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.954008][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.954008][ T10] netlink_unicast+0x449/0x710 [ 2729.954008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.954008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.954008][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.954008][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.954008][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.954008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.954008][ T10] [ 2729.956363][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2729.957107][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2729.957107][ T10] netdev_get_by_index+0x5e/0x80 [ 2729.957107][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2729.957107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2729.957107][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2729.957107][ T10] ipv6_add_addr+0x411/0x2000 [ 2729.957107][ T10] inet6_addr_add+0x30e/0xa40 [ 2729.957107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.957107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.957107][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.957107][ T10] netlink_unicast+0x449/0x710 [ 2729.957107][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.957107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.957107][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.957107][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.957107][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.957107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.957107][ T10] [ 2729.959073][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2729.959073][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2729.959073][ T10] ipv6_find_idev+0x102/0x170 [ 2729.959073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.959073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.959073][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.959073][ T10] netlink_unicast+0x449/0x710 [ 2729.959073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.959073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.959073][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.959073][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.959073][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.959073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.959073][ T10] [ 2729.960587][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2729.960587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2729.960587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2729.960587][ T10] ipv6_find_idev+0x102/0x170 [ 2729.960587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.960587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.960587][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.960587][ T10] netlink_unicast+0x449/0x710 [ 2729.960587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.960587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.960587][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.960587][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.960587][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.960587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.960587][ T10] [ 2729.962288][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2729.962564][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2729.962564][ T10] netdev_get_by_index+0x5e/0x80 [ 2729.962564][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2729.962564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2729.962564][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2729.962564][ T10] ipv6_add_addr+0x411/0x2000 [ 2729.962564][ T10] inet6_addr_add+0x30e/0xa40 [ 2729.962564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.962564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.962564][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.962564][ T10] netlink_unicast+0x449/0x710 [ 2729.962564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.962564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.962564][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.962564][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.962564][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.962564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.962564][ T10] [ 2729.964668][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2729.964668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2729.964668][ T10] ipv6_find_idev+0x102/0x170 [ 2729.964668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.964668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.964668][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.964668][ T10] netlink_unicast+0x449/0x710 [ 2729.964668][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.964668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.964668][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.964668][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.964668][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.964668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.964668][ T10] [ 2729.966264][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2729.966264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2729.966264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2729.966264][ T10] ipv6_find_idev+0x102/0x170 [ 2729.966264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.966264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.966264][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.966264][ T10] netlink_unicast+0x449/0x710 [ 2729.966264][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.966264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.966264][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.966264][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.966264][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.966264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.966264][ T10] [ 2729.968154][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2729.968433][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2729.968433][ T10] netdev_get_by_index+0x5e/0x80 [ 2729.968433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2729.968433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2729.968433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2729.968433][ T10] ipv6_add_addr+0x411/0x2000 [ 2729.968433][ T10] inet6_addr_add+0x30e/0xa40 [ 2729.968433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2729.968433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.968433][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.968433][ T10] netlink_unicast+0x449/0x710 [ 2729.968433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.968433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.968433][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.968433][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.968433][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.968433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.968433][ T10] [ 2729.970640][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2729.970640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2729.970640][ T10] ipv6_find_idev+0x102/0x170 [ 2729.970640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.970640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.970640][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.970640][ T10] netlink_unicast+0x449/0x710 [ 2729.970640][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.970640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.970640][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.970640][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.970640][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.970640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.970640][ T10] [ 2729.972336][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2729.972336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2729.972336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2729.972336][ T10] ipv6_find_idev+0x102/0x170 [ 2729.972336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2729.972336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2729.972336][ T10] netlink_rcv_skb+0x130/0x360 [ 2729.972336][ T10] netlink_unicast+0x449/0x710 [ 2729.972336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2729.972336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2729.972336][ T10] ___sys_sendmsg+0xee/0x170 [ 2729.972336][ T10] __sys_sendmsg+0xcd/0x170 [ 2729.972336][ T10] do_syscall_64+0xc6/0x1e0 [ 2729.972336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2729.972336][ T10] [ 2740.112147][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2740.112536][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2740.112536][ T10] netdev_get_by_index+0x5e/0x80 [ 2740.112536][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2740.112536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2740.112536][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2740.112536][ T10] ipv6_add_addr+0x411/0x2000 [ 2740.112536][ T10] inet6_addr_add+0x30e/0xa40 [ 2740.112536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.112536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.112536][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.112536][ T10] netlink_unicast+0x449/0x710 [ 2740.112536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.112536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.112536][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.112536][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.112536][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.112536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.112536][ T10] [ 2740.114793][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2740.114793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2740.114793][ T10] ipv6_find_idev+0x102/0x170 [ 2740.114793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.114793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.114793][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.114793][ T10] netlink_unicast+0x449/0x710 [ 2740.114793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.114793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.114793][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.114793][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.114793][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.114793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.114793][ T10] [ 2740.116597][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2740.116597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2740.116597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2740.116597][ T10] ipv6_find_idev+0x102/0x170 [ 2740.116597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.116597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.116597][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.116597][ T10] netlink_unicast+0x449/0x710 [ 2740.116597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.116597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.116597][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.116597][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.116597][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.116597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.116597][ T10] [ 2740.118517][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2740.118819][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2740.118819][ T10] netdev_get_by_index+0x5e/0x80 [ 2740.118819][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2740.118819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2740.118819][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2740.118819][ T10] ipv6_add_addr+0x411/0x2000 [ 2740.118819][ T10] inet6_addr_add+0x30e/0xa40 [ 2740.118819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.118819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.118819][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.118819][ T10] netlink_unicast+0x449/0x710 [ 2740.118819][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.118819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.118819][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.118819][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.118819][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.118819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.118819][ T10] [ 2740.121099][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2740.121099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2740.121099][ T10] ipv6_find_idev+0x102/0x170 [ 2740.121099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.121099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.121099][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.121099][ T10] netlink_unicast+0x449/0x710 [ 2740.121099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.121099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.121099][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.121099][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.121099][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.121099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.121099][ T10] [ 2740.122865][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2740.122865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2740.122865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2740.122865][ T10] ipv6_find_idev+0x102/0x170 [ 2740.122865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.122865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.122865][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.122865][ T10] netlink_unicast+0x449/0x710 [ 2740.122865][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.122865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.122865][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.122865][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.122865][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.122865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.122865][ T10] [ 2740.124792][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2740.125097][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2740.125097][ T10] netdev_get_by_index+0x5e/0x80 [ 2740.125097][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2740.125097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2740.125097][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2740.125097][ T10] ipv6_add_addr+0x411/0x2000 [ 2740.125097][ T10] inet6_addr_add+0x30e/0xa40 [ 2740.125097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.125097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.125097][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.125097][ T10] netlink_unicast+0x449/0x710 [ 2740.125097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.125097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.125097][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.125097][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.125097][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.125097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.125097][ T10] [ 2740.127361][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2740.127361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2740.127361][ T10] ipv6_find_idev+0x102/0x170 [ 2740.127361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.127361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.127361][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.127361][ T10] netlink_unicast+0x449/0x710 [ 2740.127361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.127361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.127361][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.127361][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.127361][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.127361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.127361][ T10] [ 2740.129086][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2740.129086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2740.129086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2740.129086][ T10] ipv6_find_idev+0x102/0x170 [ 2740.129086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.129086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.129086][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.129086][ T10] netlink_unicast+0x449/0x710 [ 2740.129086][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.129086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.129086][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.129086][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.129086][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.129086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.129086][ T10] [ 2740.130937][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2740.131238][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2740.131238][ T10] netdev_get_by_index+0x5e/0x80 [ 2740.131238][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2740.131238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2740.131238][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2740.131238][ T10] ipv6_add_addr+0x411/0x2000 [ 2740.131238][ T10] inet6_addr_add+0x30e/0xa40 [ 2740.131238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.131238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.131238][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.131238][ T10] netlink_unicast+0x449/0x710 [ 2740.131238][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.131238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.131238][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.131238][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.131238][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.131238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.131238][ T10] [ 2740.133479][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2740.133479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2740.133479][ T10] ipv6_find_idev+0x102/0x170 [ 2740.133479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.133479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.133479][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.133479][ T10] netlink_unicast+0x449/0x710 [ 2740.133479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.133479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.133479][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.133479][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.133479][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.133479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.133479][ T10] [ 2740.135227][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2740.135227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2740.135227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2740.135227][ T10] ipv6_find_idev+0x102/0x170 [ 2740.135227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.135227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.135227][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.135227][ T10] netlink_unicast+0x449/0x710 [ 2740.135227][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.135227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.135227][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.135227][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.135227][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.135227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.135227][ T10] [ 2740.137539][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2740.137834][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2740.137834][ T10] netdev_get_by_index+0x5e/0x80 [ 2740.137834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2740.137834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2740.137834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2740.137834][ T10] ipv6_add_addr+0x411/0x2000 [ 2740.137834][ T10] inet6_addr_add+0x30e/0xa40 [ 2740.137834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.137834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.137834][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.137834][ T10] netlink_unicast+0x449/0x710 [ 2740.137834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.137834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.137834][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.137834][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.137834][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.137834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.137834][ T10] [ 2740.140161][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2740.140161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2740.140161][ T10] ipv6_find_idev+0x102/0x170 [ 2740.140161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.140161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.140161][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.140161][ T10] netlink_unicast+0x449/0x710 [ 2740.140161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.140161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.140161][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.140161][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.140161][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.140161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.140161][ T10] [ 2740.141992][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2740.141992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2740.141992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2740.141992][ T10] ipv6_find_idev+0x102/0x170 [ 2740.141992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.141992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.141992][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.141992][ T10] netlink_unicast+0x449/0x710 [ 2740.141992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.141992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.141992][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.141992][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.141992][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.141992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.141992][ T10] [ 2740.144601][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2740.144908][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2740.144908][ T10] netdev_get_by_index+0x5e/0x80 [ 2740.144908][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2740.144908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2740.144908][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2740.144908][ T10] ipv6_add_addr+0x411/0x2000 [ 2740.144908][ T10] inet6_addr_add+0x30e/0xa40 [ 2740.144908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.144908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.144908][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.144908][ T10] netlink_unicast+0x449/0x710 [ 2740.144908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.144908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.144908][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.144908][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.144908][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.144908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.144908][ T10] [ 2740.147249][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2740.147249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2740.147249][ T10] ipv6_find_idev+0x102/0x170 [ 2740.147249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.147249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.147249][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.147249][ T10] netlink_unicast+0x449/0x710 [ 2740.147249][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.147249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.147249][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.147249][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.147249][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.147249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.147249][ T10] [ 2740.149305][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2740.149305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2740.149305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2740.149305][ T10] ipv6_find_idev+0x102/0x170 [ 2740.149305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.149305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.149305][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.149305][ T10] netlink_unicast+0x449/0x710 [ 2740.149305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.149305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.149305][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.149305][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.149305][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.149305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.149305][ T10] [ 2740.151433][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2740.151722][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2740.151722][ T10] netdev_get_by_index+0x5e/0x80 [ 2740.151722][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2740.151722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2740.151722][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2740.151722][ T10] ipv6_add_addr+0x411/0x2000 [ 2740.151722][ T10] inet6_addr_add+0x30e/0xa40 [ 2740.151722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.151722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.151722][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.151722][ T10] netlink_unicast+0x449/0x710 [ 2740.151722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.151722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.151722][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.151722][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.151722][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.151722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.151722][ T10] [ 2740.154045][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2740.154045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2740.154045][ T10] ipv6_find_idev+0x102/0x170 [ 2740.154045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.154045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.154045][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.154045][ T10] netlink_unicast+0x449/0x710 [ 2740.154045][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.154045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.154045][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.154045][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.154045][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.154045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.154045][ T10] [ 2740.155777][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2740.155777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2740.155777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2740.155777][ T10] ipv6_find_idev+0x102/0x170 [ 2740.155777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.155777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.155777][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.155777][ T10] netlink_unicast+0x449/0x710 [ 2740.155777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.155777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.155777][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.155777][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.155777][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.155777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.155777][ T10] [ 2740.157771][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2740.158060][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2740.158060][ T10] netdev_get_by_index+0x5e/0x80 [ 2740.158060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2740.158060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2740.158060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2740.158060][ T10] ipv6_add_addr+0x411/0x2000 [ 2740.158060][ T10] inet6_addr_add+0x30e/0xa40 [ 2740.158060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2740.158060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.158060][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.158060][ T10] netlink_unicast+0x449/0x710 [ 2740.158060][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.158060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.158060][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.158060][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.158060][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.158060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.158060][ T10] [ 2740.160474][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2740.160474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2740.160474][ T10] ipv6_find_idev+0x102/0x170 [ 2740.160474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.160474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.160474][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.160474][ T10] netlink_unicast+0x449/0x710 [ 2740.160474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.160474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.160474][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.160474][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.160474][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.160474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.160474][ T10] [ 2740.162438][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2740.162438][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2740.162438][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2740.162438][ T10] ipv6_find_idev+0x102/0x170 [ 2740.162438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2740.162438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2740.162438][ T10] netlink_rcv_skb+0x130/0x360 [ 2740.162438][ T10] netlink_unicast+0x449/0x710 [ 2740.162438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2740.162438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2740.162438][ T10] ___sys_sendmsg+0xee/0x170 [ 2740.162438][ T10] __sys_sendmsg+0xcd/0x170 [ 2740.162438][ T10] do_syscall_64+0xc6/0x1e0 [ 2740.162438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2740.162438][ T10] [ 2750.280121][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2750.280463][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2750.280463][ T10] netdev_get_by_index+0x5e/0x80 [ 2750.280463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2750.280463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2750.280463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2750.280463][ T10] ipv6_add_addr+0x411/0x2000 [ 2750.280463][ T10] inet6_addr_add+0x30e/0xa40 [ 2750.280463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.280463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.280463][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.280463][ T10] netlink_unicast+0x449/0x710 [ 2750.280463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.280463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.280463][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.280463][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.280463][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.280463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.280463][ T10] [ 2750.282479][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2750.282479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2750.282479][ T10] ipv6_find_idev+0x102/0x170 [ 2750.282479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.282479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.282479][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.282479][ T10] netlink_unicast+0x449/0x710 [ 2750.282479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.282479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.282479][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.282479][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.282479][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.282479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.282479][ T10] [ 2750.284022][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2750.284022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2750.284022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2750.284022][ T10] ipv6_find_idev+0x102/0x170 [ 2750.284022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.284022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.284022][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.284022][ T10] netlink_unicast+0x449/0x710 [ 2750.284022][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.284022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.284022][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.284022][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.284022][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.284022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.284022][ T10] [ 2750.285818][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2750.286089][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2750.286089][ T10] netdev_get_by_index+0x5e/0x80 [ 2750.286089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2750.286089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2750.286089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2750.286089][ T10] ipv6_add_addr+0x411/0x2000 [ 2750.286089][ T10] inet6_addr_add+0x30e/0xa40 [ 2750.286089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.286089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.286089][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.286089][ T10] netlink_unicast+0x449/0x710 [ 2750.286089][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.286089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.286089][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.286089][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.286089][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.286089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.286089][ T10] [ 2750.288069][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2750.288069][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2750.288069][ T10] ipv6_find_idev+0x102/0x170 [ 2750.288069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.288069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.288069][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.288069][ T10] netlink_unicast+0x449/0x710 [ 2750.288069][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.288069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.288069][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.288069][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.288069][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.288069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.288069][ T10] [ 2750.289591][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2750.289591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2750.289591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2750.289591][ T10] ipv6_find_idev+0x102/0x170 [ 2750.289591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.289591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.289591][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.289591][ T10] netlink_unicast+0x449/0x710 [ 2750.289591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.289591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.289591][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.289591][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.289591][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.289591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.289591][ T10] [ 2750.291300][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2750.291590][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2750.291590][ T10] netdev_get_by_index+0x5e/0x80 [ 2750.291590][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2750.291590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2750.291590][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2750.291590][ T10] ipv6_add_addr+0x411/0x2000 [ 2750.291590][ T10] inet6_addr_add+0x30e/0xa40 [ 2750.291590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.291590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.291590][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.291590][ T10] netlink_unicast+0x449/0x710 [ 2750.291590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.291590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.291590][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.291590][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.291590][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.291590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.291590][ T10] [ 2750.293567][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2750.293567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2750.293567][ T10] ipv6_find_idev+0x102/0x170 [ 2750.293567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.293567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.293567][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.293567][ T10] netlink_unicast+0x449/0x710 [ 2750.293567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.293567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.293567][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.293567][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.293567][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.293567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.293567][ T10] [ 2750.295055][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2750.295055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2750.295055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2750.295055][ T10] ipv6_find_idev+0x102/0x170 [ 2750.295055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.295055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.295055][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.295055][ T10] netlink_unicast+0x449/0x710 [ 2750.295055][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.295055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.295055][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.295055][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.295055][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.295055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.295055][ T10] [ 2750.296741][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2750.297029][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2750.297029][ T10] netdev_get_by_index+0x5e/0x80 [ 2750.297029][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2750.297029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2750.297029][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2750.297029][ T10] ipv6_add_addr+0x411/0x2000 [ 2750.297029][ T10] inet6_addr_add+0x30e/0xa40 [ 2750.297029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.297029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.297029][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.297029][ T10] netlink_unicast+0x449/0x710 [ 2750.297029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.297029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.297029][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.297029][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.297029][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.297029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.297029][ T10] [ 2750.298998][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2750.298998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2750.298998][ T10] ipv6_find_idev+0x102/0x170 [ 2750.298998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.298998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.298998][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.298998][ T10] netlink_unicast+0x449/0x710 [ 2750.298998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.298998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.298998][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.298998][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.298998][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.298998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.298998][ T10] [ 2750.300497][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2750.300497][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2750.300497][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2750.300497][ T10] ipv6_find_idev+0x102/0x170 [ 2750.300497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.300497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.300497][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.300497][ T10] netlink_unicast+0x449/0x710 [ 2750.300497][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.300497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.300497][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.300497][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.300497][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.300497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.300497][ T10] [ 2750.302425][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2750.302690][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2750.302690][ T10] netdev_get_by_index+0x5e/0x80 [ 2750.302690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2750.302690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2750.302690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2750.302690][ T10] ipv6_add_addr+0x411/0x2000 [ 2750.302690][ T10] inet6_addr_add+0x30e/0xa40 [ 2750.302690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.302690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.302690][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.302690][ T10] netlink_unicast+0x449/0x710 [ 2750.302690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.302690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.302690][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.302690][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.302690][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.302690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.302690][ T10] [ 2750.304673][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2750.304673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2750.304673][ T10] ipv6_find_idev+0x102/0x170 [ 2750.304673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.304673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.304673][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.304673][ T10] netlink_unicast+0x449/0x710 [ 2750.304673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.304673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.304673][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.304673][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.304673][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.304673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.304673][ T10] [ 2750.306206][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2750.306206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2750.306206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2750.306206][ T10] ipv6_find_idev+0x102/0x170 [ 2750.306206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.306206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.306206][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.306206][ T10] netlink_unicast+0x449/0x710 [ 2750.306206][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.306206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.306206][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.306206][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.306206][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.306206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.306206][ T10] [ 2750.308512][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2750.309261][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2750.309261][ T10] netdev_get_by_index+0x5e/0x80 [ 2750.309261][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2750.309261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2750.309261][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2750.309261][ T10] ipv6_add_addr+0x411/0x2000 [ 2750.309261][ T10] inet6_addr_add+0x30e/0xa40 [ 2750.309261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.309261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.309261][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.309261][ T10] netlink_unicast+0x449/0x710 [ 2750.309261][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.309261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.309261][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.309261][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.309261][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.309261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.309261][ T10] [ 2750.311257][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2750.311257][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2750.311257][ T10] ipv6_find_idev+0x102/0x170 [ 2750.311257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.311257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.311257][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.311257][ T10] netlink_unicast+0x449/0x710 [ 2750.311257][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.311257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.311257][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.311257][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.311257][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.311257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.311257][ T10] [ 2750.312789][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2750.312789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2750.312789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2750.312789][ T10] ipv6_find_idev+0x102/0x170 [ 2750.312789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.312789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.312789][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.312789][ T10] netlink_unicast+0x449/0x710 [ 2750.312789][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.312789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.312789][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.312789][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.312789][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.312789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.312789][ T10] [ 2750.314485][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2750.314752][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2750.314752][ T10] netdev_get_by_index+0x5e/0x80 [ 2750.314752][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2750.314752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2750.314752][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2750.314752][ T10] ipv6_add_addr+0x411/0x2000 [ 2750.314752][ T10] inet6_addr_add+0x30e/0xa40 [ 2750.314752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.314752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.314752][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.314752][ T10] netlink_unicast+0x449/0x710 [ 2750.314752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.314752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.314752][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.314752][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.314752][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.314752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.314752][ T10] [ 2750.316848][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2750.316848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2750.316848][ T10] ipv6_find_idev+0x102/0x170 [ 2750.316848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.316848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.316848][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.316848][ T10] netlink_unicast+0x449/0x710 [ 2750.316848][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.316848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.316848][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.316848][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.316848][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.316848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.316848][ T10] [ 2750.318582][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2750.318582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2750.318582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2750.318582][ T10] ipv6_find_idev+0x102/0x170 [ 2750.318582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.318582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.318582][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.318582][ T10] netlink_unicast+0x449/0x710 [ 2750.318582][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.318582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.318582][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.318582][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.318582][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.318582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.318582][ T10] [ 2750.320515][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2750.320781][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2750.320781][ T10] netdev_get_by_index+0x5e/0x80 [ 2750.320781][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2750.320781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2750.320781][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2750.320781][ T10] ipv6_add_addr+0x411/0x2000 [ 2750.320781][ T10] inet6_addr_add+0x30e/0xa40 [ 2750.320781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2750.320781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.320781][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.320781][ T10] netlink_unicast+0x449/0x710 [ 2750.320781][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.320781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.320781][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.320781][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.320781][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.320781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.320781][ T10] [ 2750.323056][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2750.323056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2750.323056][ T10] ipv6_find_idev+0x102/0x170 [ 2750.323056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.323056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.323056][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.323056][ T10] netlink_unicast+0x449/0x710 [ 2750.323056][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.323056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.323056][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.323056][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.323056][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.323056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.323056][ T10] [ 2750.324708][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2750.324708][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2750.324708][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2750.324708][ T10] ipv6_find_idev+0x102/0x170 [ 2750.324708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2750.324708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2750.324708][ T10] netlink_rcv_skb+0x130/0x360 [ 2750.324708][ T10] netlink_unicast+0x449/0x710 [ 2750.324708][ T10] netlink_sendmsg+0x723/0xbe0 [ 2750.324708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2750.324708][ T10] ___sys_sendmsg+0xee/0x170 [ 2750.324708][ T10] __sys_sendmsg+0xcd/0x170 [ 2750.324708][ T10] do_syscall_64+0xc6/0x1e0 [ 2750.324708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2750.324708][ T10] [ 2760.432506][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2760.432824][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2760.432824][ T10] netdev_get_by_index+0x5e/0x80 [ 2760.432824][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2760.432824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2760.432824][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2760.432824][ T10] ipv6_add_addr+0x411/0x2000 [ 2760.432824][ T10] inet6_addr_add+0x30e/0xa40 [ 2760.432824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.432824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.432824][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.432824][ T10] netlink_unicast+0x449/0x710 [ 2760.432824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.432824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.432824][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.432824][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.432824][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.432824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.432824][ T10] [ 2760.434770][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2760.434770][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2760.434770][ T10] ipv6_find_idev+0x102/0x170 [ 2760.434770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.434770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.434770][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.434770][ T10] netlink_unicast+0x449/0x710 [ 2760.434770][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.434770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.434770][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.434770][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.434770][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.434770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.434770][ T10] [ 2760.436359][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2760.436359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2760.436359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2760.436359][ T10] ipv6_find_idev+0x102/0x170 [ 2760.436359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.436359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.436359][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.436359][ T10] netlink_unicast+0x449/0x710 [ 2760.436359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.436359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.436359][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.436359][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.436359][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.436359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.436359][ T10] [ 2760.438114][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2760.438388][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2760.438388][ T10] netdev_get_by_index+0x5e/0x80 [ 2760.438388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2760.438388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2760.438388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2760.438388][ T10] ipv6_add_addr+0x411/0x2000 [ 2760.438388][ T10] inet6_addr_add+0x30e/0xa40 [ 2760.438388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.438388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.438388][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.438388][ T10] netlink_unicast+0x449/0x710 [ 2760.438388][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.438388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.438388][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.438388][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.438388][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.438388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.438388][ T10] [ 2760.440410][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2760.440410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2760.440410][ T10] ipv6_find_idev+0x102/0x170 [ 2760.440410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.440410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.440410][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.440410][ T10] netlink_unicast+0x449/0x710 [ 2760.440410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.440410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.440410][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.440410][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.440410][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.440410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.440410][ T10] [ 2760.441977][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2760.441977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2760.441977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2760.441977][ T10] ipv6_find_idev+0x102/0x170 [ 2760.441977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.441977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.441977][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.441977][ T10] netlink_unicast+0x449/0x710 [ 2760.441977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.441977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.441977][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.441977][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.441977][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.441977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.441977][ T10] [ 2760.443715][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2760.443982][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2760.443982][ T10] netdev_get_by_index+0x5e/0x80 [ 2760.443982][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2760.443982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2760.443982][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2760.443982][ T10] ipv6_add_addr+0x411/0x2000 [ 2760.443982][ T10] inet6_addr_add+0x30e/0xa40 [ 2760.443982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.443982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.443982][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.443982][ T10] netlink_unicast+0x449/0x710 [ 2760.443982][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.443982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.443982][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.443982][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.443982][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.443982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.443982][ T10] [ 2760.446226][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2760.446226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2760.446226][ T10] ipv6_find_idev+0x102/0x170 [ 2760.446226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.446226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.446226][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.446226][ T10] netlink_unicast+0x449/0x710 [ 2760.446226][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.446226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.446226][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.446226][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.446226][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.446226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.446226][ T10] [ 2760.447881][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2760.447881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2760.447881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2760.447881][ T10] ipv6_find_idev+0x102/0x170 [ 2760.447881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.447881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.447881][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.447881][ T10] netlink_unicast+0x449/0x710 [ 2760.447881][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.447881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.447881][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.447881][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.447881][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.447881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.447881][ T10] [ 2760.449782][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2760.450067][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2760.450067][ T10] netdev_get_by_index+0x5e/0x80 [ 2760.450067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2760.450067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2760.450067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2760.450067][ T10] ipv6_add_addr+0x411/0x2000 [ 2760.450067][ T10] inet6_addr_add+0x30e/0xa40 [ 2760.450067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.450067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.450067][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.450067][ T10] netlink_unicast+0x449/0x710 [ 2760.450067][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.450067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.450067][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.450067][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.450067][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.450067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.450067][ T10] [ 2760.452251][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2760.452251][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2760.452251][ T10] ipv6_find_idev+0x102/0x170 [ 2760.452251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.452251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.452251][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.452251][ T10] netlink_unicast+0x449/0x710 [ 2760.452251][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.452251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.452251][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.452251][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.452251][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.452251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.452251][ T10] [ 2760.453977][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2760.453977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2760.453977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2760.453977][ T10] ipv6_find_idev+0x102/0x170 [ 2760.453977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.453977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.453977][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.453977][ T10] netlink_unicast+0x449/0x710 [ 2760.453977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.453977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.453977][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.453977][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.453977][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.453977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.453977][ T10] [ 2760.455946][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2760.456286][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2760.456286][ T10] netdev_get_by_index+0x5e/0x80 [ 2760.456286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2760.456286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2760.456286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2760.456286][ T10] ipv6_add_addr+0x411/0x2000 [ 2760.456286][ T10] inet6_addr_add+0x30e/0xa40 [ 2760.456286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.456286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.456286][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.456286][ T10] netlink_unicast+0x449/0x710 [ 2760.456286][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.456286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.456286][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.456286][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.456286][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.456286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.456286][ T10] [ 2760.458502][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2760.458502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2760.458502][ T10] ipv6_find_idev+0x102/0x170 [ 2760.458502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.458502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.458502][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.458502][ T10] netlink_unicast+0x449/0x710 [ 2760.458502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.458502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.458502][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.458502][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.458502][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.458502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.458502][ T10] [ 2760.460143][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2760.460143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2760.460143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2760.460143][ T10] ipv6_find_idev+0x102/0x170 [ 2760.460143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.460143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.460143][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.460143][ T10] netlink_unicast+0x449/0x710 [ 2760.460143][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.460143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.460143][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.460143][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.460143][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.460143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.460143][ T10] [ 2760.462050][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2760.462372][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2760.462372][ T10] netdev_get_by_index+0x5e/0x80 [ 2760.462372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2760.462372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2760.462372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2760.462372][ T10] ipv6_add_addr+0x411/0x2000 [ 2760.462372][ T10] inet6_addr_add+0x30e/0xa40 [ 2760.462372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.462372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.462372][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.462372][ T10] netlink_unicast+0x449/0x710 [ 2760.462372][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.462372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.462372][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.462372][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.462372][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.462372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.462372][ T10] [ 2760.464590][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2760.464590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2760.464590][ T10] ipv6_find_idev+0x102/0x170 [ 2760.464590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.464590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.464590][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.464590][ T10] netlink_unicast+0x449/0x710 [ 2760.464590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.464590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.464590][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.464590][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.464590][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.464590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.464590][ T10] [ 2760.466234][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2760.466234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2760.466234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2760.466234][ T10] ipv6_find_idev+0x102/0x170 [ 2760.466234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.466234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.466234][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.466234][ T10] netlink_unicast+0x449/0x710 [ 2760.466234][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.466234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.466234][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.466234][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.466234][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.466234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.466234][ T10] [ 2760.468194][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2760.468470][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2760.468470][ T10] netdev_get_by_index+0x5e/0x80 [ 2760.468470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2760.468470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2760.468470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2760.468470][ T10] ipv6_add_addr+0x411/0x2000 [ 2760.468470][ T10] inet6_addr_add+0x30e/0xa40 [ 2760.468470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.468470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.468470][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.468470][ T10] netlink_unicast+0x449/0x710 [ 2760.468470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.468470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.468470][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.468470][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.468470][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.468470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.468470][ T10] [ 2760.470683][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2760.470683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2760.470683][ T10] ipv6_find_idev+0x102/0x170 [ 2760.470683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.470683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.470683][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.470683][ T10] netlink_unicast+0x449/0x710 [ 2760.470683][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.470683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.470683][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.470683][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.470683][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.470683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.470683][ T10] [ 2760.472439][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2760.472439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2760.472439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2760.472439][ T10] ipv6_find_idev+0x102/0x170 [ 2760.472439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.472439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.472439][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.472439][ T10] netlink_unicast+0x449/0x710 [ 2760.472439][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.472439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.472439][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.472439][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.472439][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.472439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.472439][ T10] [ 2760.474381][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2760.474715][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2760.474715][ T10] netdev_get_by_index+0x5e/0x80 [ 2760.474715][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2760.474715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2760.474715][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2760.474715][ T10] ipv6_add_addr+0x411/0x2000 [ 2760.474715][ T10] inet6_addr_add+0x30e/0xa40 [ 2760.474715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2760.474715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.474715][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.474715][ T10] netlink_unicast+0x449/0x710 [ 2760.474715][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.474715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.474715][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.474715][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.474715][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.474715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.474715][ T10] [ 2760.476919][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2760.476919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2760.476919][ T10] ipv6_find_idev+0x102/0x170 [ 2760.476919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.476919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.476919][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.476919][ T10] netlink_unicast+0x449/0x710 [ 2760.476919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.476919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.476919][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.476919][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.476919][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.476919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.476919][ T10] [ 2760.478642][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2760.478642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2760.478642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2760.478642][ T10] ipv6_find_idev+0x102/0x170 [ 2760.478642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2760.478642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2760.478642][ T10] netlink_rcv_skb+0x130/0x360 [ 2760.478642][ T10] netlink_unicast+0x449/0x710 [ 2760.478642][ T10] netlink_sendmsg+0x723/0xbe0 [ 2760.478642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2760.478642][ T10] ___sys_sendmsg+0xee/0x170 [ 2760.478642][ T10] __sys_sendmsg+0xcd/0x170 [ 2760.478642][ T10] do_syscall_64+0xc6/0x1e0 [ 2760.478642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2760.478642][ T10] [ 2770.576251][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2770.576989][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2770.576989][ T10] netdev_get_by_index+0x5e/0x80 [ 2770.576989][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2770.576989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2770.576989][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2770.576989][ T10] ipv6_add_addr+0x411/0x2000 [ 2770.576989][ T10] inet6_addr_add+0x30e/0xa40 [ 2770.576989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.576989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.576989][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.576989][ T10] netlink_unicast+0x449/0x710 [ 2770.576989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.576989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.576989][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.576989][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.576989][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.576989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.576989][ T10] [ 2770.579125][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2770.579125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2770.579125][ T10] ipv6_find_idev+0x102/0x170 [ 2770.579125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.579125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.579125][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.579125][ T10] netlink_unicast+0x449/0x710 [ 2770.579125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.579125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.579125][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.579125][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.579125][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.579125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.579125][ T10] [ 2770.580696][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2770.580696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2770.580696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2770.580696][ T10] ipv6_find_idev+0x102/0x170 [ 2770.580696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.580696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.580696][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.580696][ T10] netlink_unicast+0x449/0x710 [ 2770.580696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.580696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.580696][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.580696][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.580696][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.580696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.580696][ T10] [ 2770.582427][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2770.582708][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2770.582708][ T10] netdev_get_by_index+0x5e/0x80 [ 2770.582708][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2770.582708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2770.582708][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2770.582708][ T10] ipv6_add_addr+0x411/0x2000 [ 2770.582708][ T10] inet6_addr_add+0x30e/0xa40 [ 2770.582708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.582708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.582708][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.582708][ T10] netlink_unicast+0x449/0x710 [ 2770.582708][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.582708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.582708][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.582708][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.582708][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.582708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.582708][ T10] [ 2770.584791][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2770.584791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2770.584791][ T10] ipv6_find_idev+0x102/0x170 [ 2770.584791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.584791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.584791][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.584791][ T10] netlink_unicast+0x449/0x710 [ 2770.584791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.584791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.584791][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.584791][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.584791][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.584791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.584791][ T10] [ 2770.586432][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2770.586432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2770.586432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2770.586432][ T10] ipv6_find_idev+0x102/0x170 [ 2770.586432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.586432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.586432][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.586432][ T10] netlink_unicast+0x449/0x710 [ 2770.586432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.586432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.586432][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.586432][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.586432][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.586432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.586432][ T10] [ 2770.588213][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2770.588490][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2770.588490][ T10] netdev_get_by_index+0x5e/0x80 [ 2770.588490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2770.588490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2770.588490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2770.588490][ T10] ipv6_add_addr+0x411/0x2000 [ 2770.588490][ T10] inet6_addr_add+0x30e/0xa40 [ 2770.588490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.588490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.588490][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.588490][ T10] netlink_unicast+0x449/0x710 [ 2770.588490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.588490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.588490][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.588490][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.588490][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.588490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.588490][ T10] [ 2770.590550][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2770.590550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2770.590550][ T10] ipv6_find_idev+0x102/0x170 [ 2770.590550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.590550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.590550][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.590550][ T10] netlink_unicast+0x449/0x710 [ 2770.590550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.590550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.590550][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.590550][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.590550][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.590550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.590550][ T10] [ 2770.592544][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2770.592544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2770.592544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2770.592544][ T10] ipv6_find_idev+0x102/0x170 [ 2770.592544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.592544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.592544][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.592544][ T10] netlink_unicast+0x449/0x710 [ 2770.592544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.592544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.592544][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.592544][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.592544][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.592544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.592544][ T10] [ 2770.594674][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2770.594964][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2770.594964][ T10] netdev_get_by_index+0x5e/0x80 [ 2770.594964][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2770.594964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2770.594964][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2770.594964][ T10] ipv6_add_addr+0x411/0x2000 [ 2770.594964][ T10] inet6_addr_add+0x30e/0xa40 [ 2770.594964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.594964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.594964][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.594964][ T10] netlink_unicast+0x449/0x710 [ 2770.594964][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.594964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.594964][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.594964][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.594964][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.594964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.594964][ T10] [ 2770.597350][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2770.597350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2770.597350][ T10] ipv6_find_idev+0x102/0x170 [ 2770.597350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.597350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.597350][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.597350][ T10] netlink_unicast+0x449/0x710 [ 2770.597350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.597350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.597350][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.597350][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.597350][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.597350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.597350][ T10] [ 2770.599107][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2770.599107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2770.599107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2770.599107][ T10] ipv6_find_idev+0x102/0x170 [ 2770.599107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.599107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.599107][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.599107][ T10] netlink_unicast+0x449/0x710 [ 2770.599107][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.599107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.599107][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.599107][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.599107][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.599107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.599107][ T10] [ 2770.601184][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2770.601465][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2770.601465][ T10] netdev_get_by_index+0x5e/0x80 [ 2770.601465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2770.601465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2770.601465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2770.601465][ T10] ipv6_add_addr+0x411/0x2000 [ 2770.601465][ T10] inet6_addr_add+0x30e/0xa40 [ 2770.601465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.601465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.601465][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.601465][ T10] netlink_unicast+0x449/0x710 [ 2770.601465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.601465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.601465][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.601465][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.601465][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.601465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.601465][ T10] [ 2770.603854][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2770.603854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2770.603854][ T10] ipv6_find_idev+0x102/0x170 [ 2770.603854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.603854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.603854][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.603854][ T10] netlink_unicast+0x449/0x710 [ 2770.603854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.603854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.603854][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.603854][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.603854][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.603854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.603854][ T10] [ 2770.605626][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2770.605626][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2770.605626][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2770.605626][ T10] ipv6_find_idev+0x102/0x170 [ 2770.605626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.605626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.605626][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.605626][ T10] netlink_unicast+0x449/0x710 [ 2770.605626][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.605626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.605626][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.605626][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.605626][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.605626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.605626][ T10] [ 2770.607962][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2770.608703][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2770.608703][ T10] netdev_get_by_index+0x5e/0x80 [ 2770.608703][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2770.608703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2770.608703][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2770.608703][ T10] ipv6_add_addr+0x411/0x2000 [ 2770.608703][ T10] inet6_addr_add+0x30e/0xa40 [ 2770.608703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.608703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.608703][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.608703][ T10] netlink_unicast+0x449/0x710 [ 2770.608703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.608703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.608703][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.608703][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.608703][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.608703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.608703][ T10] [ 2770.610780][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2770.610780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2770.610780][ T10] ipv6_find_idev+0x102/0x170 [ 2770.610780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.610780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.610780][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.610780][ T10] netlink_unicast+0x449/0x710 [ 2770.610780][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.610780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.610780][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.610780][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.610780][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.610780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.610780][ T10] [ 2770.612405][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2770.612405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2770.612405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2770.612405][ T10] ipv6_find_idev+0x102/0x170 [ 2770.612405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.612405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.612405][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.612405][ T10] netlink_unicast+0x449/0x710 [ 2770.612405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.612405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.612405][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.612405][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.612405][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.612405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.612405][ T10] [ 2770.614311][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2770.614647][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2770.614647][ T10] netdev_get_by_index+0x5e/0x80 [ 2770.614647][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2770.614647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2770.614647][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2770.614647][ T10] ipv6_add_addr+0x411/0x2000 [ 2770.614647][ T10] inet6_addr_add+0x30e/0xa40 [ 2770.614647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.614647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.614647][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.614647][ T10] netlink_unicast+0x449/0x710 [ 2770.614647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.614647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.614647][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.614647][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.614647][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.614647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.614647][ T10] [ 2770.616871][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2770.616871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2770.616871][ T10] ipv6_find_idev+0x102/0x170 [ 2770.616871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.616871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.616871][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.616871][ T10] netlink_unicast+0x449/0x710 [ 2770.616871][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.616871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.616871][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.616871][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.616871][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.616871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.616871][ T10] [ 2770.618506][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2770.618506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2770.618506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2770.618506][ T10] ipv6_find_idev+0x102/0x170 [ 2770.618506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.618506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.618506][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.618506][ T10] netlink_unicast+0x449/0x710 [ 2770.618506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.618506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.618506][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.618506][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.618506][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.618506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.618506][ T10] [ 2770.620335][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2770.620668][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2770.620668][ T10] netdev_get_by_index+0x5e/0x80 [ 2770.620668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2770.620668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2770.620668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2770.620668][ T10] ipv6_add_addr+0x411/0x2000 [ 2770.620668][ T10] inet6_addr_add+0x30e/0xa40 [ 2770.620668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2770.620668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.620668][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.620668][ T10] netlink_unicast+0x449/0x710 [ 2770.620668][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.620668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.620668][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.620668][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.620668][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.620668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.620668][ T10] [ 2770.622746][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2770.622746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2770.622746][ T10] ipv6_find_idev+0x102/0x170 [ 2770.622746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.622746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.622746][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.622746][ T10] netlink_unicast+0x449/0x710 [ 2770.622746][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.622746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.622746][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.622746][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.622746][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.622746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.622746][ T10] [ 2770.624403][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2770.624403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2770.624403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2770.624403][ T10] ipv6_find_idev+0x102/0x170 [ 2770.624403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2770.624403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2770.624403][ T10] netlink_rcv_skb+0x130/0x360 [ 2770.624403][ T10] netlink_unicast+0x449/0x710 [ 2770.624403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2770.624403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2770.624403][ T10] ___sys_sendmsg+0xee/0x170 [ 2770.624403][ T10] __sys_sendmsg+0xcd/0x170 [ 2770.624403][ T10] do_syscall_64+0xc6/0x1e0 [ 2770.624403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2770.624403][ T10] [ 2780.752117][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2780.752461][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2780.752461][ T10] netdev_get_by_index+0x5e/0x80 [ 2780.752461][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2780.752461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2780.752461][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2780.752461][ T10] ipv6_add_addr+0x411/0x2000 [ 2780.752461][ T10] inet6_addr_add+0x30e/0xa40 [ 2780.752461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.752461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.752461][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.752461][ T10] netlink_unicast+0x449/0x710 [ 2780.752461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.752461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.752461][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.752461][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.752461][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.752461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.752461][ T10] [ 2780.754464][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2780.754464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2780.754464][ T10] ipv6_find_idev+0x102/0x170 [ 2780.754464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.754464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.754464][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.754464][ T10] netlink_unicast+0x449/0x710 [ 2780.754464][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.754464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.754464][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.754464][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.754464][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.754464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.754464][ T10] [ 2780.755960][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2780.755960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2780.755960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2780.755960][ T10] ipv6_find_idev+0x102/0x170 [ 2780.755960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.755960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.755960][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.755960][ T10] netlink_unicast+0x449/0x710 [ 2780.755960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.755960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.755960][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.755960][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.755960][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.755960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.755960][ T10] [ 2780.757653][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2780.757926][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2780.757926][ T10] netdev_get_by_index+0x5e/0x80 [ 2780.757926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2780.757926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2780.757926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2780.757926][ T10] ipv6_add_addr+0x411/0x2000 [ 2780.757926][ T10] inet6_addr_add+0x30e/0xa40 [ 2780.757926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.757926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.757926][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.757926][ T10] netlink_unicast+0x449/0x710 [ 2780.757926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.757926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.757926][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.757926][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.757926][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.757926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.757926][ T10] [ 2780.759899][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2780.759899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2780.759899][ T10] ipv6_find_idev+0x102/0x170 [ 2780.759899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.759899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.759899][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.759899][ T10] netlink_unicast+0x449/0x710 [ 2780.759899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.759899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.759899][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.759899][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.759899][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.759899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.759899][ T10] [ 2780.761427][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2780.761427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2780.761427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2780.761427][ T10] ipv6_find_idev+0x102/0x170 [ 2780.761427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.761427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.761427][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.761427][ T10] netlink_unicast+0x449/0x710 [ 2780.761427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.761427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.761427][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.761427][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.761427][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.761427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.761427][ T10] [ 2780.763129][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2780.763401][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2780.763401][ T10] netdev_get_by_index+0x5e/0x80 [ 2780.763401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2780.763401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2780.763401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2780.763401][ T10] ipv6_add_addr+0x411/0x2000 [ 2780.763401][ T10] inet6_addr_add+0x30e/0xa40 [ 2780.763401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.763401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.763401][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.763401][ T10] netlink_unicast+0x449/0x710 [ 2780.763401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.763401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.763401][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.763401][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.763401][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.763401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.763401][ T10] [ 2780.765370][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2780.765370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2780.765370][ T10] ipv6_find_idev+0x102/0x170 [ 2780.765370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.765370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.765370][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.765370][ T10] netlink_unicast+0x449/0x710 [ 2780.765370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.765370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.765370][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.765370][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.765370][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.765370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.765370][ T10] [ 2780.766877][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2780.766877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2780.766877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2780.766877][ T10] ipv6_find_idev+0x102/0x170 [ 2780.766877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.766877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.766877][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.766877][ T10] netlink_unicast+0x449/0x710 [ 2780.766877][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.766877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.766877][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.766877][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.766877][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.766877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.766877][ T10] [ 2780.768614][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2780.768880][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2780.768880][ T10] netdev_get_by_index+0x5e/0x80 [ 2780.768880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2780.768880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2780.768880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2780.768880][ T10] ipv6_add_addr+0x411/0x2000 [ 2780.768880][ T10] inet6_addr_add+0x30e/0xa40 [ 2780.768880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.768880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.768880][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.768880][ T10] netlink_unicast+0x449/0x710 [ 2780.768880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.768880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.768880][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.768880][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.768880][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.768880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.768880][ T10] [ 2780.770860][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2780.770860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2780.770860][ T10] ipv6_find_idev+0x102/0x170 [ 2780.770860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.770860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.770860][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.770860][ T10] netlink_unicast+0x449/0x710 [ 2780.770860][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.770860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.770860][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.770860][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.770860][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.770860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.770860][ T10] [ 2780.772409][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2780.772409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2780.772409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2780.772409][ T10] ipv6_find_idev+0x102/0x170 [ 2780.772409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.772409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.772409][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.772409][ T10] netlink_unicast+0x449/0x710 [ 2780.772409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.772409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.772409][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.772409][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.772409][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.772409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.772409][ T10] [ 2780.774185][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2780.774475][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2780.774475][ T10] netdev_get_by_index+0x5e/0x80 [ 2780.774475][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2780.774475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2780.774475][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2780.774475][ T10] ipv6_add_addr+0x411/0x2000 [ 2780.774475][ T10] inet6_addr_add+0x30e/0xa40 [ 2780.774475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.774475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.774475][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.774475][ T10] netlink_unicast+0x449/0x710 [ 2780.774475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.774475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.774475][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.774475][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.774475][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.774475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.774475][ T10] [ 2780.776628][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2780.776628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2780.776628][ T10] ipv6_find_idev+0x102/0x170 [ 2780.776628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.776628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.776628][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.776628][ T10] netlink_unicast+0x449/0x710 [ 2780.776628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.776628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.776628][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.776628][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.776628][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.776628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.776628][ T10] [ 2780.778287][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2780.778287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2780.778287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2780.778287][ T10] ipv6_find_idev+0x102/0x170 [ 2780.778287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.778287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.778287][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.778287][ T10] netlink_unicast+0x449/0x710 [ 2780.778287][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.778287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.778287][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.778287][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.778287][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.778287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.778287][ T10] [ 2780.780632][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2780.780895][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2780.780895][ T10] netdev_get_by_index+0x5e/0x80 [ 2780.780895][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2780.780895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2780.780895][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2780.780895][ T10] ipv6_add_addr+0x411/0x2000 [ 2780.780895][ T10] inet6_addr_add+0x30e/0xa40 [ 2780.780895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.780895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.780895][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.780895][ T10] netlink_unicast+0x449/0x710 [ 2780.780895][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.780895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.780895][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.780895][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.780895][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.780895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.780895][ T10] [ 2780.782882][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2780.782882][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2780.782882][ T10] ipv6_find_idev+0x102/0x170 [ 2780.782882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.782882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.782882][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.782882][ T10] netlink_unicast+0x449/0x710 [ 2780.782882][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.782882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.782882][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.782882][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.782882][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.782882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.782882][ T10] [ 2780.784477][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2780.784477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2780.784477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2780.784477][ T10] ipv6_find_idev+0x102/0x170 [ 2780.784477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.784477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.784477][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.784477][ T10] netlink_unicast+0x449/0x710 [ 2780.784477][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.784477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.784477][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.784477][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.784477][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.784477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.784477][ T10] [ 2780.786375][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2780.786641][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2780.786641][ T10] netdev_get_by_index+0x5e/0x80 [ 2780.786641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2780.786641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2780.786641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2780.786641][ T10] ipv6_add_addr+0x411/0x2000 [ 2780.786641][ T10] inet6_addr_add+0x30e/0xa40 [ 2780.786641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.786641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.786641][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.786641][ T10] netlink_unicast+0x449/0x710 [ 2780.786641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.786641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.786641][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.786641][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.786641][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.786641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.786641][ T10] [ 2780.788673][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2780.788673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2780.788673][ T10] ipv6_find_idev+0x102/0x170 [ 2780.788673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.788673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.788673][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.788673][ T10] netlink_unicast+0x449/0x710 [ 2780.788673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.788673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.788673][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.788673][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.788673][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.788673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.788673][ T10] [ 2780.790427][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2780.790427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2780.790427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2780.790427][ T10] ipv6_find_idev+0x102/0x170 [ 2780.790427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.790427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.790427][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.790427][ T10] netlink_unicast+0x449/0x710 [ 2780.790427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.790427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.790427][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.790427][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.790427][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.790427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.790427][ T10] [ 2780.792303][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2780.792630][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2780.792630][ T10] netdev_get_by_index+0x5e/0x80 [ 2780.792630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2780.792630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2780.792630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2780.792630][ T10] ipv6_add_addr+0x411/0x2000 [ 2780.792630][ T10] inet6_addr_add+0x30e/0xa40 [ 2780.792630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2780.792630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.792630][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.792630][ T10] netlink_unicast+0x449/0x710 [ 2780.792630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.792630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.792630][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.792630][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.792630][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.792630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.792630][ T10] [ 2780.794783][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2780.794783][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2780.794783][ T10] ipv6_find_idev+0x102/0x170 [ 2780.794783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.794783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.794783][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.794783][ T10] netlink_unicast+0x449/0x710 [ 2780.794783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.794783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.794783][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.794783][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.794783][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.794783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.794783][ T10] [ 2780.796512][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2780.796512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2780.796512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2780.796512][ T10] ipv6_find_idev+0x102/0x170 [ 2780.796512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2780.796512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2780.796512][ T10] netlink_rcv_skb+0x130/0x360 [ 2780.796512][ T10] netlink_unicast+0x449/0x710 [ 2780.796512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2780.796512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2780.796512][ T10] ___sys_sendmsg+0xee/0x170 [ 2780.796512][ T10] __sys_sendmsg+0xcd/0x170 [ 2780.796512][ T10] do_syscall_64+0xc6/0x1e0 [ 2780.796512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2780.796512][ T10] [ 2790.928199][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2790.928575][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2790.928575][ T10] netdev_get_by_index+0x5e/0x80 [ 2790.928575][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2790.928575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2790.928575][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2790.928575][ T10] ipv6_add_addr+0x411/0x2000 [ 2790.928575][ T10] inet6_addr_add+0x30e/0xa40 [ 2790.928575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.928575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.928575][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.928575][ T10] netlink_unicast+0x449/0x710 [ 2790.928575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.928575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.928575][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.928575][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.928575][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.928575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.928575][ T10] [ 2790.930872][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2790.930872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2790.930872][ T10] ipv6_find_idev+0x102/0x170 [ 2790.930872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.930872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.930872][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.930872][ T10] netlink_unicast+0x449/0x710 [ 2790.930872][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.930872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.930872][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.930872][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.930872][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.930872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.930872][ T10] [ 2790.932568][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2790.932568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2790.932568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2790.932568][ T10] ipv6_find_idev+0x102/0x170 [ 2790.932568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.932568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.932568][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.932568][ T10] netlink_unicast+0x449/0x710 [ 2790.932568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.932568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.932568][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.932568][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.932568][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.932568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.932568][ T10] [ 2790.934442][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2790.934723][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2790.934723][ T10] netdev_get_by_index+0x5e/0x80 [ 2790.934723][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2790.934723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2790.934723][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2790.934723][ T10] ipv6_add_addr+0x411/0x2000 [ 2790.934723][ T10] inet6_addr_add+0x30e/0xa40 [ 2790.934723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.934723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.934723][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.934723][ T10] netlink_unicast+0x449/0x710 [ 2790.934723][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.934723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.934723][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.934723][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.934723][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.934723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.934723][ T10] [ 2790.936740][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2790.936740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2790.936740][ T10] ipv6_find_idev+0x102/0x170 [ 2790.936740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.936740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.936740][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.936740][ T10] netlink_unicast+0x449/0x710 [ 2790.936740][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.936740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.936740][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.936740][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.936740][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.936740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.936740][ T10] [ 2790.938427][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2790.938427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2790.938427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2790.938427][ T10] ipv6_find_idev+0x102/0x170 [ 2790.938427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.938427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.938427][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.938427][ T10] netlink_unicast+0x449/0x710 [ 2790.938427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.938427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.938427][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.938427][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.938427][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.938427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.938427][ T10] [ 2790.940285][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2790.940600][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2790.940600][ T10] netdev_get_by_index+0x5e/0x80 [ 2790.940600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2790.940600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2790.940600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2790.940600][ T10] ipv6_add_addr+0x411/0x2000 [ 2790.940600][ T10] inet6_addr_add+0x30e/0xa40 [ 2790.940600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.940600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.940600][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.940600][ T10] netlink_unicast+0x449/0x710 [ 2790.940600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.940600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.940600][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.940600][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.940600][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.940600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.940600][ T10] [ 2790.942861][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2790.942861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2790.942861][ T10] ipv6_find_idev+0x102/0x170 [ 2790.942861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.942861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.942861][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.942861][ T10] netlink_unicast+0x449/0x710 [ 2790.942861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.942861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.942861][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.942861][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.942861][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.942861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.942861][ T10] [ 2790.944597][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2790.944597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2790.944597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2790.944597][ T10] ipv6_find_idev+0x102/0x170 [ 2790.944597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.944597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.944597][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.944597][ T10] netlink_unicast+0x449/0x710 [ 2790.944597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.944597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.944597][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.944597][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.944597][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.944597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.944597][ T10] [ 2790.946457][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2790.946755][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2790.946755][ T10] netdev_get_by_index+0x5e/0x80 [ 2790.946755][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2790.946755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2790.946755][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2790.946755][ T10] ipv6_add_addr+0x411/0x2000 [ 2790.946755][ T10] inet6_addr_add+0x30e/0xa40 [ 2790.946755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.946755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.946755][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.946755][ T10] netlink_unicast+0x449/0x710 [ 2790.946755][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.946755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.946755][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.946755][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.946755][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.946755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.946755][ T10] [ 2790.949249][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2790.949249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2790.949249][ T10] ipv6_find_idev+0x102/0x170 [ 2790.949249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.949249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.949249][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.949249][ T10] netlink_unicast+0x449/0x710 [ 2790.949249][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.949249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.949249][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.949249][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.949249][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.949249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.949249][ T10] [ 2790.951151][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2790.951151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2790.951151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2790.951151][ T10] ipv6_find_idev+0x102/0x170 [ 2790.951151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.951151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.951151][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.951151][ T10] netlink_unicast+0x449/0x710 [ 2790.951151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.951151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.951151][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.951151][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.951151][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.951151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.951151][ T10] [ 2790.953259][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2790.953559][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2790.953559][ T10] netdev_get_by_index+0x5e/0x80 [ 2790.953559][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2790.953559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2790.953559][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2790.953559][ T10] ipv6_add_addr+0x411/0x2000 [ 2790.953559][ T10] inet6_addr_add+0x30e/0xa40 [ 2790.953559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.953559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.953559][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.953559][ T10] netlink_unicast+0x449/0x710 [ 2790.953559][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.953559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.953559][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.953559][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.953559][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.953559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.953559][ T10] [ 2790.955853][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2790.955853][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2790.955853][ T10] ipv6_find_idev+0x102/0x170 [ 2790.955853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.955853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.955853][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.955853][ T10] netlink_unicast+0x449/0x710 [ 2790.955853][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.955853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.955853][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.955853][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.955853][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.955853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.955853][ T10] [ 2790.957639][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2790.957639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2790.957639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2790.957639][ T10] ipv6_find_idev+0x102/0x170 [ 2790.957639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.957639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.957639][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.957639][ T10] netlink_unicast+0x449/0x710 [ 2790.957639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.957639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.957639][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.957639][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.957639][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.957639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.957639][ T10] [ 2790.960044][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2790.960797][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2790.960797][ T10] netdev_get_by_index+0x5e/0x80 [ 2790.960797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2790.960797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2790.960797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2790.960797][ T10] ipv6_add_addr+0x411/0x2000 [ 2790.960797][ T10] inet6_addr_add+0x30e/0xa40 [ 2790.960797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.960797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.960797][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.960797][ T10] netlink_unicast+0x449/0x710 [ 2790.960797][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.960797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.960797][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.960797][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.960797][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.960797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.960797][ T10] [ 2790.962976][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2790.962976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2790.962976][ T10] ipv6_find_idev+0x102/0x170 [ 2790.962976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.962976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.962976][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.962976][ T10] netlink_unicast+0x449/0x710 [ 2790.962976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.962976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.962976][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.962976][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.962976][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.962976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.962976][ T10] [ 2790.964573][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2790.964573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2790.964573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2790.964573][ T10] ipv6_find_idev+0x102/0x170 [ 2790.964573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.964573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.964573][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.964573][ T10] netlink_unicast+0x449/0x710 [ 2790.964573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.964573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.964573][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.964573][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.964573][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.964573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.964573][ T10] [ 2790.966461][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2790.966802][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2790.966802][ T10] netdev_get_by_index+0x5e/0x80 [ 2790.966802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2790.966802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2790.966802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2790.966802][ T10] ipv6_add_addr+0x411/0x2000 [ 2790.966802][ T10] inet6_addr_add+0x30e/0xa40 [ 2790.966802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.966802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.966802][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.966802][ T10] netlink_unicast+0x449/0x710 [ 2790.966802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.966802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.966802][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.966802][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.966802][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.966802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.966802][ T10] [ 2790.969062][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2790.969062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2790.969062][ T10] ipv6_find_idev+0x102/0x170 [ 2790.969062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.969062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.969062][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.969062][ T10] netlink_unicast+0x449/0x710 [ 2790.969062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.969062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.969062][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.969062][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.969062][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.969062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.969062][ T10] [ 2790.970690][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2790.970690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2790.970690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2790.970690][ T10] ipv6_find_idev+0x102/0x170 [ 2790.970690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.970690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.970690][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.970690][ T10] netlink_unicast+0x449/0x710 [ 2790.970690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.970690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.970690][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.970690][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.970690][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.970690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.970690][ T10] [ 2790.972808][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2790.973204][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2790.973204][ T10] netdev_get_by_index+0x5e/0x80 [ 2790.973204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2790.973204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2790.973204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2790.973204][ T10] ipv6_add_addr+0x411/0x2000 [ 2790.973204][ T10] inet6_addr_add+0x30e/0xa40 [ 2790.973204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2790.973204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.973204][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.973204][ T10] netlink_unicast+0x449/0x710 [ 2790.973204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.973204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.973204][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.973204][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.973204][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.973204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.973204][ T10] [ 2790.975504][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2790.975504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2790.975504][ T10] ipv6_find_idev+0x102/0x170 [ 2790.975504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.975504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.975504][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.975504][ T10] netlink_unicast+0x449/0x710 [ 2790.975504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.975504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.975504][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.975504][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.975504][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.975504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.975504][ T10] [ 2790.977222][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2790.977222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2790.977222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2790.977222][ T10] ipv6_find_idev+0x102/0x170 [ 2790.977222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2790.977222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2790.977222][ T10] netlink_rcv_skb+0x130/0x360 [ 2790.977222][ T10] netlink_unicast+0x449/0x710 [ 2790.977222][ T10] netlink_sendmsg+0x723/0xbe0 [ 2790.977222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2790.977222][ T10] ___sys_sendmsg+0xee/0x170 [ 2790.977222][ T10] __sys_sendmsg+0xcd/0x170 [ 2790.977222][ T10] do_syscall_64+0xc6/0x1e0 [ 2790.977222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2790.977222][ T10] [ 2801.080200][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2801.080572][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2801.080572][ T10] netdev_get_by_index+0x5e/0x80 [ 2801.080572][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2801.080572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2801.080572][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2801.080572][ T10] ipv6_add_addr+0x411/0x2000 [ 2801.080572][ T10] inet6_addr_add+0x30e/0xa40 [ 2801.080572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.080572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.080572][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.080572][ T10] netlink_unicast+0x449/0x710 [ 2801.080572][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.080572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.080572][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.080572][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.080572][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.080572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.080572][ T10] [ 2801.082894][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2801.082894][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2801.082894][ T10] ipv6_find_idev+0x102/0x170 [ 2801.082894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.082894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.082894][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.082894][ T10] netlink_unicast+0x449/0x710 [ 2801.082894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.082894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.082894][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.082894][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.082894][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.082894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.082894][ T10] [ 2801.084654][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2801.084654][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2801.084654][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2801.084654][ T10] ipv6_find_idev+0x102/0x170 [ 2801.084654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.084654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.084654][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.084654][ T10] netlink_unicast+0x449/0x710 [ 2801.084654][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.084654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.084654][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.084654][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.084654][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.084654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.084654][ T10] [ 2801.086585][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2801.086886][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2801.086886][ T10] netdev_get_by_index+0x5e/0x80 [ 2801.086886][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2801.086886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2801.086886][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2801.086886][ T10] ipv6_add_addr+0x411/0x2000 [ 2801.086886][ T10] inet6_addr_add+0x30e/0xa40 [ 2801.086886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.086886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.086886][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.086886][ T10] netlink_unicast+0x449/0x710 [ 2801.086886][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.086886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.086886][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.086886][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.086886][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.086886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.086886][ T10] [ 2801.089217][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2801.089217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2801.089217][ T10] ipv6_find_idev+0x102/0x170 [ 2801.089217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.089217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.089217][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.089217][ T10] netlink_unicast+0x449/0x710 [ 2801.089217][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.089217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.089217][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.089217][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.089217][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.089217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.089217][ T10] [ 2801.090968][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2801.090968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2801.090968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2801.090968][ T10] ipv6_find_idev+0x102/0x170 [ 2801.090968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.090968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.090968][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.090968][ T10] netlink_unicast+0x449/0x710 [ 2801.090968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.090968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.090968][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.090968][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.090968][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.090968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.090968][ T10] [ 2801.092944][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2801.093265][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2801.093265][ T10] netdev_get_by_index+0x5e/0x80 [ 2801.093265][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2801.093265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2801.093265][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2801.093265][ T10] ipv6_add_addr+0x411/0x2000 [ 2801.093265][ T10] inet6_addr_add+0x30e/0xa40 [ 2801.093265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.093265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.093265][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.093265][ T10] netlink_unicast+0x449/0x710 [ 2801.093265][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.093265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.093265][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.093265][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.093265][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.093265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.093265][ T10] [ 2801.095557][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2801.095557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2801.095557][ T10] ipv6_find_idev+0x102/0x170 [ 2801.095557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.095557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.095557][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.095557][ T10] netlink_unicast+0x449/0x710 [ 2801.095557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.095557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.095557][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.095557][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.095557][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.095557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.095557][ T10] [ 2801.097366][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2801.097366][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2801.097366][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2801.097366][ T10] ipv6_find_idev+0x102/0x170 [ 2801.097366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.097366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.097366][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.097366][ T10] netlink_unicast+0x449/0x710 [ 2801.097366][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.097366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.097366][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.097366][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.097366][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.097366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.097366][ T10] [ 2801.099326][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2801.099637][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2801.099637][ T10] netdev_get_by_index+0x5e/0x80 [ 2801.099637][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2801.099637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2801.099637][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2801.099637][ T10] ipv6_add_addr+0x411/0x2000 [ 2801.099637][ T10] inet6_addr_add+0x30e/0xa40 [ 2801.099637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.099637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.099637][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.099637][ T10] netlink_unicast+0x449/0x710 [ 2801.099637][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.099637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.099637][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.099637][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.099637][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.099637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.099637][ T10] [ 2801.101927][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2801.101927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2801.101927][ T10] ipv6_find_idev+0x102/0x170 [ 2801.101927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.101927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.101927][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.101927][ T10] netlink_unicast+0x449/0x710 [ 2801.101927][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.101927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.101927][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.101927][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.101927][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.101927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.101927][ T10] [ 2801.103636][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2801.103636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2801.103636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2801.103636][ T10] ipv6_find_idev+0x102/0x170 [ 2801.103636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.103636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.103636][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.103636][ T10] netlink_unicast+0x449/0x710 [ 2801.103636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.103636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.103636][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.103636][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.103636][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.103636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.103636][ T10] [ 2801.105926][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2801.106717][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2801.106717][ T10] netdev_get_by_index+0x5e/0x80 [ 2801.106717][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2801.106717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2801.106717][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2801.106717][ T10] ipv6_add_addr+0x411/0x2000 [ 2801.106717][ T10] inet6_addr_add+0x30e/0xa40 [ 2801.106717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.106717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.106717][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.106717][ T10] netlink_unicast+0x449/0x710 [ 2801.106717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.106717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.106717][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.106717][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.106717][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.106717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.106717][ T10] [ 2801.109040][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2801.109040][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2801.109040][ T10] ipv6_find_idev+0x102/0x170 [ 2801.109040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.109040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.109040][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.109040][ T10] netlink_unicast+0x449/0x710 [ 2801.109040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.109040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.109040][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.109040][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.109040][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.109040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.109040][ T10] [ 2801.110812][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2801.110812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2801.110812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2801.110812][ T10] ipv6_find_idev+0x102/0x170 [ 2801.110812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.110812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.110812][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.110812][ T10] netlink_unicast+0x449/0x710 [ 2801.110812][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.110812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.110812][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.110812][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.110812][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.110812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.110812][ T10] [ 2801.112814][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2801.113120][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2801.113120][ T10] netdev_get_by_index+0x5e/0x80 [ 2801.113120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2801.113120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2801.113120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2801.113120][ T10] ipv6_add_addr+0x411/0x2000 [ 2801.113120][ T10] inet6_addr_add+0x30e/0xa40 [ 2801.113120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.113120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.113120][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.113120][ T10] netlink_unicast+0x449/0x710 [ 2801.113120][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.113120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.113120][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.113120][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.113120][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.113120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.113120][ T10] [ 2801.115540][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2801.115540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2801.115540][ T10] ipv6_find_idev+0x102/0x170 [ 2801.115540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.115540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.115540][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.115540][ T10] netlink_unicast+0x449/0x710 [ 2801.115540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.115540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.115540][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.115540][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.115540][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.115540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.115540][ T10] [ 2801.117452][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2801.117452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2801.117452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2801.117452][ T10] ipv6_find_idev+0x102/0x170 [ 2801.117452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.117452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.117452][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.117452][ T10] netlink_unicast+0x449/0x710 [ 2801.117452][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.117452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.117452][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.117452][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.117452][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.117452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.117452][ T10] [ 2801.119582][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2801.119902][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2801.119902][ T10] netdev_get_by_index+0x5e/0x80 [ 2801.119902][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2801.119902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2801.119902][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2801.119902][ T10] ipv6_add_addr+0x411/0x2000 [ 2801.119902][ T10] inet6_addr_add+0x30e/0xa40 [ 2801.119902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.119902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.119902][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.119902][ T10] netlink_unicast+0x449/0x710 [ 2801.119902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.119902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.119902][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.119902][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.119902][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.119902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.119902][ T10] [ 2801.122393][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2801.122393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2801.122393][ T10] ipv6_find_idev+0x102/0x170 [ 2801.122393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.122393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.122393][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.122393][ T10] netlink_unicast+0x449/0x710 [ 2801.122393][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.122393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.122393][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.122393][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.122393][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.122393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.122393][ T10] [ 2801.124299][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2801.124299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2801.124299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2801.124299][ T10] ipv6_find_idev+0x102/0x170 [ 2801.124299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.124299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.124299][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.124299][ T10] netlink_unicast+0x449/0x710 [ 2801.124299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.124299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.124299][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.124299][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.124299][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.124299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.124299][ T10] [ 2801.126680][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2801.126995][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2801.126995][ T10] netdev_get_by_index+0x5e/0x80 [ 2801.126995][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2801.126995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2801.126995][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2801.126995][ T10] ipv6_add_addr+0x411/0x2000 [ 2801.126995][ T10] inet6_addr_add+0x30e/0xa40 [ 2801.126995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2801.126995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.126995][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.126995][ T10] netlink_unicast+0x449/0x710 [ 2801.126995][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.126995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.126995][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.126995][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.126995][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.126995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.126995][ T10] [ 2801.129775][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2801.129775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2801.129775][ T10] ipv6_find_idev+0x102/0x170 [ 2801.129775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.129775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.129775][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.129775][ T10] netlink_unicast+0x449/0x710 [ 2801.129775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.129775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.129775][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.129775][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.129775][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.129775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.129775][ T10] [ 2801.131938][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2801.131938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2801.131938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2801.131938][ T10] ipv6_find_idev+0x102/0x170 [ 2801.131938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2801.131938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2801.131938][ T10] netlink_rcv_skb+0x130/0x360 [ 2801.131938][ T10] netlink_unicast+0x449/0x710 [ 2801.131938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2801.131938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2801.131938][ T10] ___sys_sendmsg+0xee/0x170 [ 2801.131938][ T10] __sys_sendmsg+0xcd/0x170 [ 2801.131938][ T10] do_syscall_64+0xc6/0x1e0 [ 2801.131938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2801.131938][ T10] [ 2811.272267][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2811.272690][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2811.272690][ T10] netdev_get_by_index+0x5e/0x80 [ 2811.272690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2811.272690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2811.272690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2811.272690][ T10] ipv6_add_addr+0x411/0x2000 [ 2811.272690][ T10] inet6_addr_add+0x30e/0xa40 [ 2811.272690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.272690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.272690][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.272690][ T10] netlink_unicast+0x449/0x710 [ 2811.272690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.272690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.272690][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.272690][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.272690][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.272690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.272690][ T10] [ 2811.275144][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2811.275144][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2811.275144][ T10] ipv6_find_idev+0x102/0x170 [ 2811.275144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.275144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.275144][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.275144][ T10] netlink_unicast+0x449/0x710 [ 2811.275144][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.275144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.275144][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.275144][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.275144][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.275144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.275144][ T10] [ 2811.277128][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2811.277128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2811.277128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2811.277128][ T10] ipv6_find_idev+0x102/0x170 [ 2811.277128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.277128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.277128][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.277128][ T10] netlink_unicast+0x449/0x710 [ 2811.277128][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.277128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.277128][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.277128][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.277128][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.277128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.277128][ T10] [ 2811.279254][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2811.279619][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2811.279619][ T10] netdev_get_by_index+0x5e/0x80 [ 2811.279619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2811.279619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2811.279619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2811.279619][ T10] ipv6_add_addr+0x411/0x2000 [ 2811.279619][ T10] inet6_addr_add+0x30e/0xa40 [ 2811.279619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.279619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.279619][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.279619][ T10] netlink_unicast+0x449/0x710 [ 2811.279619][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.279619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.279619][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.279619][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.279619][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.279619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.279619][ T10] [ 2811.282096][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2811.282096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2811.282096][ T10] ipv6_find_idev+0x102/0x170 [ 2811.282096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.282096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.282096][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.282096][ T10] netlink_unicast+0x449/0x710 [ 2811.282096][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.282096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.282096][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.282096][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.282096][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.282096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.282096][ T10] [ 2811.283992][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2811.283992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2811.283992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2811.283992][ T10] ipv6_find_idev+0x102/0x170 [ 2811.283992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.283992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.283992][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.283992][ T10] netlink_unicast+0x449/0x710 [ 2811.283992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.283992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.283992][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.283992][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.283992][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.283992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.283992][ T10] [ 2811.286141][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2811.286479][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2811.286479][ T10] netdev_get_by_index+0x5e/0x80 [ 2811.286479][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2811.286479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2811.286479][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2811.286479][ T10] ipv6_add_addr+0x411/0x2000 [ 2811.286479][ T10] inet6_addr_add+0x30e/0xa40 [ 2811.286479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.286479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.286479][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.286479][ T10] netlink_unicast+0x449/0x710 [ 2811.286479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.286479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.286479][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.286479][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.286479][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.286479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.286479][ T10] [ 2811.288934][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2811.288934][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2811.288934][ T10] ipv6_find_idev+0x102/0x170 [ 2811.288934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.288934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.288934][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.288934][ T10] netlink_unicast+0x449/0x710 [ 2811.288934][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.288934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.288934][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.288934][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.288934][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.288934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.288934][ T10] [ 2811.290778][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2811.290778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2811.290778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2811.290778][ T10] ipv6_find_idev+0x102/0x170 [ 2811.290778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.290778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.290778][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.290778][ T10] netlink_unicast+0x449/0x710 [ 2811.290778][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.290778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.290778][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.290778][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.290778][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.290778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.290778][ T10] [ 2811.292918][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2811.293384][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2811.293384][ T10] netdev_get_by_index+0x5e/0x80 [ 2811.293384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2811.293384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2811.293384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2811.293384][ T10] ipv6_add_addr+0x411/0x2000 [ 2811.293384][ T10] inet6_addr_add+0x30e/0xa40 [ 2811.293384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.293384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.293384][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.293384][ T10] netlink_unicast+0x449/0x710 [ 2811.293384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.293384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.293384][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.293384][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.293384][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.293384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.293384][ T10] [ 2811.295886][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2811.295886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2811.295886][ T10] ipv6_find_idev+0x102/0x170 [ 2811.295886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.295886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.295886][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.295886][ T10] netlink_unicast+0x449/0x710 [ 2811.295886][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.295886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.295886][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.295886][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.295886][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.295886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.295886][ T10] [ 2811.297799][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2811.297799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2811.297799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2811.297799][ T10] ipv6_find_idev+0x102/0x170 [ 2811.297799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.297799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.297799][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.297799][ T10] netlink_unicast+0x449/0x710 [ 2811.297799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.297799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.297799][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.297799][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.297799][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.297799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.297799][ T10] [ 2811.300133][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2811.300458][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2811.300458][ T10] netdev_get_by_index+0x5e/0x80 [ 2811.300458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2811.300458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2811.300458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2811.300458][ T10] ipv6_add_addr+0x411/0x2000 [ 2811.300458][ T10] inet6_addr_add+0x30e/0xa40 [ 2811.300458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.300458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.300458][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.300458][ T10] netlink_unicast+0x449/0x710 [ 2811.300458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.300458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.300458][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.300458][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.300458][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.300458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.300458][ T10] [ 2811.303088][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2811.303088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2811.303088][ T10] ipv6_find_idev+0x102/0x170 [ 2811.303088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.303088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.303088][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.303088][ T10] netlink_unicast+0x449/0x710 [ 2811.303088][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.303088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.303088][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.303088][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.303088][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.303088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.303088][ T10] [ 2811.305158][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2811.305158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2811.305158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2811.305158][ T10] ipv6_find_idev+0x102/0x170 [ 2811.305158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.305158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.305158][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.305158][ T10] netlink_unicast+0x449/0x710 [ 2811.305158][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.305158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.305158][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.305158][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.305158][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.305158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.305158][ T10] [ 2811.307602][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2811.308074][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2811.308074][ T10] netdev_get_by_index+0x5e/0x80 [ 2811.308074][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2811.308074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2811.308074][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2811.308074][ T10] ipv6_add_addr+0x411/0x2000 [ 2811.308074][ T10] inet6_addr_add+0x30e/0xa40 [ 2811.308074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.308074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.308074][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.308074][ T10] netlink_unicast+0x449/0x710 [ 2811.308074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.308074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.308074][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.308074][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.308074][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.308074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.308074][ T10] [ 2811.310775][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2811.310775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2811.310775][ T10] ipv6_find_idev+0x102/0x170 [ 2811.310775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.310775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.310775][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.310775][ T10] netlink_unicast+0x449/0x710 [ 2811.310775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.310775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.310775][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.310775][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.310775][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.310775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.310775][ T10] [ 2811.312882][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2811.312882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2811.312882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2811.312882][ T10] ipv6_find_idev+0x102/0x170 [ 2811.312882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.312882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.312882][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.312882][ T10] netlink_unicast+0x449/0x710 [ 2811.312882][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.312882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.312882][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.312882][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.312882][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.312882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.312882][ T10] [ 2811.315254][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2811.315617][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2811.315617][ T10] netdev_get_by_index+0x5e/0x80 [ 2811.315617][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2811.315617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2811.315617][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2811.315617][ T10] ipv6_add_addr+0x411/0x2000 [ 2811.315617][ T10] inet6_addr_add+0x30e/0xa40 [ 2811.315617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.315617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.315617][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.315617][ T10] netlink_unicast+0x449/0x710 [ 2811.315617][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.315617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.315617][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.315617][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.315617][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.315617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.315617][ T10] [ 2811.318112][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2811.318112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2811.318112][ T10] ipv6_find_idev+0x102/0x170 [ 2811.318112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.318112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.318112][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.318112][ T10] netlink_unicast+0x449/0x710 [ 2811.318112][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.318112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.318112][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.318112][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.318112][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.318112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.318112][ T10] [ 2811.320126][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2811.320126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2811.320126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2811.320126][ T10] ipv6_find_idev+0x102/0x170 [ 2811.320126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.320126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.320126][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.320126][ T10] netlink_unicast+0x449/0x710 [ 2811.320126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.320126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.320126][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.320126][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.320126][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.320126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.320126][ T10] [ 2811.322502][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2811.322961][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2811.322961][ T10] netdev_get_by_index+0x5e/0x80 [ 2811.322961][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2811.322961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2811.322961][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2811.322961][ T10] ipv6_add_addr+0x411/0x2000 [ 2811.322961][ T10] inet6_addr_add+0x30e/0xa40 [ 2811.322961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2811.322961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.322961][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.322961][ T10] netlink_unicast+0x449/0x710 [ 2811.322961][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.322961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.322961][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.322961][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.322961][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.322961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.322961][ T10] [ 2811.325604][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2811.325604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2811.325604][ T10] ipv6_find_idev+0x102/0x170 [ 2811.325604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.325604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.325604][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.325604][ T10] netlink_unicast+0x449/0x710 [ 2811.325604][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.325604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.325604][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.325604][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.325604][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.325604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.325604][ T10] [ 2811.327623][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2811.327623][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2811.327623][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2811.327623][ T10] ipv6_find_idev+0x102/0x170 [ 2811.327623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2811.327623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2811.327623][ T10] netlink_rcv_skb+0x130/0x360 [ 2811.327623][ T10] netlink_unicast+0x449/0x710 [ 2811.327623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2811.327623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2811.327623][ T10] ___sys_sendmsg+0xee/0x170 [ 2811.327623][ T10] __sys_sendmsg+0xcd/0x170 [ 2811.327623][ T10] do_syscall_64+0xc6/0x1e0 [ 2811.327623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2811.327623][ T10] [ 2821.432282][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2821.432619][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2821.432619][ T10] netdev_get_by_index+0x5e/0x80 [ 2821.432619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2821.432619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2821.432619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2821.432619][ T10] ipv6_add_addr+0x411/0x2000 [ 2821.432619][ T10] inet6_addr_add+0x30e/0xa40 [ 2821.432619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.432619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.432619][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.432619][ T10] netlink_unicast+0x449/0x710 [ 2821.432619][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.432619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.432619][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.432619][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.432619][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.432619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.432619][ T10] [ 2821.434732][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2821.434732][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2821.434732][ T10] ipv6_find_idev+0x102/0x170 [ 2821.434732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.434732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.434732][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.434732][ T10] netlink_unicast+0x449/0x710 [ 2821.434732][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.434732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.434732][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.434732][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.434732][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.434732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.434732][ T10] [ 2821.436343][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2821.436343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2821.436343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2821.436343][ T10] ipv6_find_idev+0x102/0x170 [ 2821.436343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.436343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.436343][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.436343][ T10] netlink_unicast+0x449/0x710 [ 2821.436343][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.436343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.436343][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.436343][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.436343][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.436343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.436343][ T10] [ 2821.438585][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2821.438931][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2821.438931][ T10] netdev_get_by_index+0x5e/0x80 [ 2821.438931][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2821.438931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2821.438931][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2821.438931][ T10] ipv6_add_addr+0x411/0x2000 [ 2821.438931][ T10] inet6_addr_add+0x30e/0xa40 [ 2821.438931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.438931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.438931][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.438931][ T10] netlink_unicast+0x449/0x710 [ 2821.438931][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.438931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.438931][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.438931][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.438931][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.438931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.438931][ T10] [ 2821.440976][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2821.440976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2821.440976][ T10] ipv6_find_idev+0x102/0x170 [ 2821.440976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.440976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.440976][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.440976][ T10] netlink_unicast+0x449/0x710 [ 2821.440976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.440976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.440976][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.440976][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.440976][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.440976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.440976][ T10] [ 2821.442605][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2821.442605][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2821.442605][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2821.442605][ T10] ipv6_find_idev+0x102/0x170 [ 2821.442605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.442605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.442605][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.442605][ T10] netlink_unicast+0x449/0x710 [ 2821.442605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.442605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.442605][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.442605][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.442605][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.442605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.442605][ T10] [ 2821.444443][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2821.444793][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2821.444793][ T10] netdev_get_by_index+0x5e/0x80 [ 2821.444793][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2821.444793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2821.444793][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2821.444793][ T10] ipv6_add_addr+0x411/0x2000 [ 2821.444793][ T10] inet6_addr_add+0x30e/0xa40 [ 2821.444793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.444793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.444793][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.444793][ T10] netlink_unicast+0x449/0x710 [ 2821.444793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.444793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.444793][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.444793][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.444793][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.444793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.444793][ T10] [ 2821.446960][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2821.446960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2821.446960][ T10] ipv6_find_idev+0x102/0x170 [ 2821.446960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.446960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.446960][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.446960][ T10] netlink_unicast+0x449/0x710 [ 2821.446960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.446960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.446960][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.446960][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.446960][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.446960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.446960][ T10] [ 2821.448807][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2821.448807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2821.448807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2821.448807][ T10] ipv6_find_idev+0x102/0x170 [ 2821.448807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.448807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.448807][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.448807][ T10] netlink_unicast+0x449/0x710 [ 2821.448807][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.448807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.448807][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.448807][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.448807][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.448807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.448807][ T10] [ 2821.450791][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2821.451134][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2821.451134][ T10] netdev_get_by_index+0x5e/0x80 [ 2821.451134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2821.451134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2821.451134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2821.451134][ T10] ipv6_add_addr+0x411/0x2000 [ 2821.451134][ T10] inet6_addr_add+0x30e/0xa40 [ 2821.451134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.451134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.451134][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.451134][ T10] netlink_unicast+0x449/0x710 [ 2821.451134][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.451134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.451134][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.451134][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.451134][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.451134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.451134][ T10] [ 2821.453467][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2821.453467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2821.453467][ T10] ipv6_find_idev+0x102/0x170 [ 2821.453467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.453467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.453467][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.453467][ T10] netlink_unicast+0x449/0x710 [ 2821.453467][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.453467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.453467][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.453467][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.453467][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.453467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.453467][ T10] [ 2821.455128][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2821.455128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2821.455128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2821.455128][ T10] ipv6_find_idev+0x102/0x170 [ 2821.455128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.455128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.455128][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.455128][ T10] netlink_unicast+0x449/0x710 [ 2821.455128][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.455128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.455128][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.455128][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.455128][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.455128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.455128][ T10] [ 2821.457179][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2821.457525][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2821.457525][ T10] netdev_get_by_index+0x5e/0x80 [ 2821.457525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2821.457525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2821.457525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2821.457525][ T10] ipv6_add_addr+0x411/0x2000 [ 2821.457525][ T10] inet6_addr_add+0x30e/0xa40 [ 2821.457525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.457525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.457525][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.457525][ T10] netlink_unicast+0x449/0x710 [ 2821.457525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.457525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.457525][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.457525][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.457525][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.457525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.457525][ T10] [ 2821.459686][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2821.459686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2821.459686][ T10] ipv6_find_idev+0x102/0x170 [ 2821.459686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.459686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.459686][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.459686][ T10] netlink_unicast+0x449/0x710 [ 2821.459686][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.459686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.459686][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.459686][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.459686][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.459686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.459686][ T10] [ 2821.461328][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2821.461328][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2821.461328][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2821.461328][ T10] ipv6_find_idev+0x102/0x170 [ 2821.461328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.461328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.461328][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.461328][ T10] netlink_unicast+0x449/0x710 [ 2821.461328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.461328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.461328][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.461328][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.461328][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.461328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.461328][ T10] [ 2821.463229][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2821.463557][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2821.463557][ T10] netdev_get_by_index+0x5e/0x80 [ 2821.463557][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2821.463557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2821.463557][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2821.463557][ T10] ipv6_add_addr+0x411/0x2000 [ 2821.463557][ T10] inet6_addr_add+0x30e/0xa40 [ 2821.463557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.463557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.463557][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.463557][ T10] netlink_unicast+0x449/0x710 [ 2821.463557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.463557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.463557][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.463557][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.463557][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.463557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.463557][ T10] [ 2821.465730][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2821.465730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2821.465730][ T10] ipv6_find_idev+0x102/0x170 [ 2821.465730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.465730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.465730][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.465730][ T10] netlink_unicast+0x449/0x710 [ 2821.465730][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.465730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.465730][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.465730][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.465730][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.465730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.465730][ T10] [ 2821.467434][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2821.467434][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2821.467434][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2821.467434][ T10] ipv6_find_idev+0x102/0x170 [ 2821.467434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.467434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.467434][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.467434][ T10] netlink_unicast+0x449/0x710 [ 2821.467434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.467434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.467434][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.467434][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.467434][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.467434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.467434][ T10] [ 2821.469203][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2821.469556][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2821.469556][ T10] netdev_get_by_index+0x5e/0x80 [ 2821.469556][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2821.469556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2821.469556][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2821.469556][ T10] ipv6_add_addr+0x411/0x2000 [ 2821.469556][ T10] inet6_addr_add+0x30e/0xa40 [ 2821.469556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.469556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.469556][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.469556][ T10] netlink_unicast+0x449/0x710 [ 2821.469556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.469556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.469556][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.469556][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.469556][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.469556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.469556][ T10] [ 2821.471746][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2821.471746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2821.471746][ T10] ipv6_find_idev+0x102/0x170 [ 2821.471746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.471746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.471746][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.471746][ T10] netlink_unicast+0x449/0x710 [ 2821.471746][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.471746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.471746][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.471746][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.471746][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.471746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.471746][ T10] [ 2821.473439][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2821.473439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2821.473439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2821.473439][ T10] ipv6_find_idev+0x102/0x170 [ 2821.473439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.473439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.473439][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.473439][ T10] netlink_unicast+0x449/0x710 [ 2821.473439][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.473439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.473439][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.473439][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.473439][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.473439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.473439][ T10] [ 2821.475394][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2821.475714][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2821.475714][ T10] netdev_get_by_index+0x5e/0x80 [ 2821.475714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2821.475714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2821.475714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2821.475714][ T10] ipv6_add_addr+0x411/0x2000 [ 2821.475714][ T10] inet6_addr_add+0x30e/0xa40 [ 2821.475714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2821.475714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.475714][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.475714][ T10] netlink_unicast+0x449/0x710 [ 2821.475714][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.475714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.475714][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.475714][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.475714][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.475714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.475714][ T10] [ 2821.477794][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2821.477794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2821.477794][ T10] ipv6_find_idev+0x102/0x170 [ 2821.477794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.477794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.477794][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.477794][ T10] netlink_unicast+0x449/0x710 [ 2821.477794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.477794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.477794][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.477794][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.477794][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.477794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.477794][ T10] [ 2821.479486][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2821.479486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2821.479486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2821.479486][ T10] ipv6_find_idev+0x102/0x170 [ 2821.479486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2821.479486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2821.479486][ T10] netlink_rcv_skb+0x130/0x360 [ 2821.479486][ T10] netlink_unicast+0x449/0x710 [ 2821.479486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2821.479486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2821.479486][ T10] ___sys_sendmsg+0xee/0x170 [ 2821.479486][ T10] __sys_sendmsg+0xcd/0x170 [ 2821.479486][ T10] do_syscall_64+0xc6/0x1e0 [ 2821.479486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2821.479486][ T10] [ 2831.656121][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2831.656517][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2831.656517][ T10] netdev_get_by_index+0x5e/0x80 [ 2831.656517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2831.656517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2831.656517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2831.656517][ T10] ipv6_add_addr+0x411/0x2000 [ 2831.656517][ T10] inet6_addr_add+0x30e/0xa40 [ 2831.656517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2831.656517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.656517][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.656517][ T10] netlink_unicast+0x449/0x710 [ 2831.656517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.656517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.656517][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.656517][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.656517][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.656517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.656517][ T10] [ 2831.658987][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2831.658987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2831.658987][ T10] ipv6_find_idev+0x102/0x170 [ 2831.658987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.658987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.658987][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.658987][ T10] netlink_unicast+0x449/0x710 [ 2831.658987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.658987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.658987][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.658987][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.658987][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.658987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.658987][ T10] [ 2831.660840][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2831.660840][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2831.660840][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2831.660840][ T10] ipv6_find_idev+0x102/0x170 [ 2831.660840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.660840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.660840][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.660840][ T10] netlink_unicast+0x449/0x710 [ 2831.660840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.660840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.660840][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.660840][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.660840][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.660840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.660840][ T10] [ 2831.662927][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2831.663291][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2831.663291][ T10] netdev_get_by_index+0x5e/0x80 [ 2831.663291][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2831.663291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2831.663291][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2831.663291][ T10] ipv6_add_addr+0x411/0x2000 [ 2831.663291][ T10] inet6_addr_add+0x30e/0xa40 [ 2831.663291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2831.663291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.663291][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.663291][ T10] netlink_unicast+0x449/0x710 [ 2831.663291][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.663291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.663291][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.663291][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.663291][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.663291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.663291][ T10] [ 2831.665750][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2831.665750][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2831.665750][ T10] ipv6_find_idev+0x102/0x170 [ 2831.665750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.665750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.665750][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.665750][ T10] netlink_unicast+0x449/0x710 [ 2831.665750][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.665750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.665750][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.665750][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.665750][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.665750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.665750][ T10] [ 2831.667605][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2831.667605][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2831.667605][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2831.667605][ T10] ipv6_find_idev+0x102/0x170 [ 2831.667605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.667605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.667605][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.667605][ T10] netlink_unicast+0x449/0x710 [ 2831.667605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.667605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.667605][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.667605][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.667605][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.667605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.667605][ T10] [ 2831.669721][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2831.670084][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2831.670084][ T10] netdev_get_by_index+0x5e/0x80 [ 2831.670084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2831.670084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2831.670084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2831.670084][ T10] ipv6_add_addr+0x411/0x2000 [ 2831.670084][ T10] inet6_addr_add+0x30e/0xa40 [ 2831.670084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2831.670084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.670084][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.670084][ T10] netlink_unicast+0x449/0x710 [ 2831.670084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.670084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.670084][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.670084][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.670084][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.670084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.670084][ T10] [ 2831.672532][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2831.672532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2831.672532][ T10] ipv6_find_idev+0x102/0x170 [ 2831.672532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.672532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.672532][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.672532][ T10] netlink_unicast+0x449/0x710 [ 2831.672532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.672532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.672532][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.672532][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.672532][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.672532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.672532][ T10] [ 2831.674370][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2831.674370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2831.674370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2831.674370][ T10] ipv6_find_idev+0x102/0x170 [ 2831.674370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.674370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.674370][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.674370][ T10] netlink_unicast+0x449/0x710 [ 2831.674370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.674370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.674370][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.674370][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.674370][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.674370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.674370][ T10] [ 2831.676431][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2831.676789][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2831.676789][ T10] netdev_get_by_index+0x5e/0x80 [ 2831.676789][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2831.676789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2831.676789][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2831.676789][ T10] ipv6_add_addr+0x411/0x2000 [ 2831.676789][ T10] inet6_addr_add+0x30e/0xa40 [ 2831.676789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2831.676789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.676789][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.676789][ T10] netlink_unicast+0x449/0x710 [ 2831.676789][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.676789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.676789][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.676789][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.676789][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.676789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.676789][ T10] [ 2831.679225][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2831.679225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2831.679225][ T10] ipv6_find_idev+0x102/0x170 [ 2831.679225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.679225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.679225][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.679225][ T10] netlink_unicast+0x449/0x710 [ 2831.679225][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.679225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.679225][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.679225][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.679225][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.679225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.679225][ T10] [ 2831.681108][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2831.681108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2831.681108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2831.681108][ T10] ipv6_find_idev+0x102/0x170 [ 2831.681108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.681108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.681108][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.681108][ T10] netlink_unicast+0x449/0x710 [ 2831.681108][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.681108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.681108][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.681108][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.681108][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.681108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.681108][ T10] [ 2831.683652][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2831.683989][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2831.683989][ T10] netdev_get_by_index+0x5e/0x80 [ 2831.683989][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2831.683989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2831.683989][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2831.683989][ T10] ipv6_add_addr+0x411/0x2000 [ 2831.683989][ T10] inet6_addr_add+0x30e/0xa40 [ 2831.683989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2831.683989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.683989][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.683989][ T10] netlink_unicast+0x449/0x710 [ 2831.683989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.683989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.683989][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.683989][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.683989][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.683989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.683989][ T10] [ 2831.686407][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2831.686407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2831.686407][ T10] ipv6_find_idev+0x102/0x170 [ 2831.686407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.686407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.686407][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.686407][ T10] netlink_unicast+0x449/0x710 [ 2831.686407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.686407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.686407][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.686407][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.686407][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.686407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.686407][ T10] [ 2831.688228][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2831.688228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2831.688228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2831.688228][ T10] ipv6_find_idev+0x102/0x170 [ 2831.688228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.688228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.688228][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.688228][ T10] netlink_unicast+0x449/0x710 [ 2831.688228][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.688228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.688228][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.688228][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.688228][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.688228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.688228][ T10] [ 2831.690330][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2831.690710][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2831.690710][ T10] netdev_get_by_index+0x5e/0x80 [ 2831.690710][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2831.690710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2831.690710][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2831.690710][ T10] ipv6_add_addr+0x411/0x2000 [ 2831.690710][ T10] inet6_addr_add+0x30e/0xa40 [ 2831.690710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2831.690710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.690710][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.690710][ T10] netlink_unicast+0x449/0x710 [ 2831.690710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.690710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.690710][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.690710][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.690710][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.690710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.690710][ T10] [ 2831.693191][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2831.693191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2831.693191][ T10] ipv6_find_idev+0x102/0x170 [ 2831.693191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.693191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.693191][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.693191][ T10] netlink_unicast+0x449/0x710 [ 2831.693191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.693191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.693191][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.693191][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.693191][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.693191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.693191][ T10] [ 2831.695056][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2831.695056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2831.695056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2831.695056][ T10] ipv6_find_idev+0x102/0x170 [ 2831.695056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.695056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.695056][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.695056][ T10] netlink_unicast+0x449/0x710 [ 2831.695056][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.695056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.695056][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.695056][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.695056][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.695056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.695056][ T10] [ 2831.697281][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2831.697704][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2831.697704][ T10] netdev_get_by_index+0x5e/0x80 [ 2831.697704][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2831.697704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2831.697704][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2831.697704][ T10] ipv6_add_addr+0x411/0x2000 [ 2831.697704][ T10] inet6_addr_add+0x30e/0xa40 [ 2831.697704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2831.697704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.697704][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.697704][ T10] netlink_unicast+0x449/0x710 [ 2831.697704][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.697704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.697704][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.697704][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.697704][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.697704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.697704][ T10] [ 2831.700293][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2831.700293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2831.700293][ T10] ipv6_find_idev+0x102/0x170 [ 2831.700293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.700293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.700293][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.700293][ T10] netlink_unicast+0x449/0x710 [ 2831.700293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.700293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.700293][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.700293][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.700293][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.700293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.700293][ T10] [ 2831.702398][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2831.702398][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2831.702398][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2831.702398][ T10] ipv6_find_idev+0x102/0x170 [ 2831.702398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.702398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.702398][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.702398][ T10] netlink_unicast+0x449/0x710 [ 2831.702398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.702398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.702398][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.702398][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.702398][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.702398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.702398][ T10] [ 2831.704680][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2831.705045][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2831.705045][ T10] netdev_get_by_index+0x5e/0x80 [ 2831.705045][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2831.705045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2831.705045][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2831.705045][ T10] ipv6_add_addr+0x411/0x2000 [ 2831.705045][ T10] inet6_addr_add+0x30e/0xa40 [ 2831.705045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2831.705045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.705045][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.705045][ T10] netlink_unicast+0x449/0x710 [ 2831.705045][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.705045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.705045][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.705045][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.705045][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.705045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.705045][ T10] [ 2831.707672][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2831.707672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2831.707672][ T10] ipv6_find_idev+0x102/0x170 [ 2831.707672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.707672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.707672][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.707672][ T10] netlink_unicast+0x449/0x710 [ 2831.707672][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.707672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.707672][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.707672][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.707672][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.707672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.707672][ T10] [ 2831.709739][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2831.709739][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2831.709739][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2831.709739][ T10] ipv6_find_idev+0x102/0x170 [ 2831.709739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2831.709739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2831.709739][ T10] netlink_rcv_skb+0x130/0x360 [ 2831.709739][ T10] netlink_unicast+0x449/0x710 [ 2831.709739][ T10] netlink_sendmsg+0x723/0xbe0 [ 2831.709739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2831.709739][ T10] ___sys_sendmsg+0xee/0x170 [ 2831.709739][ T10] __sys_sendmsg+0xcd/0x170 [ 2831.709739][ T10] do_syscall_64+0xc6/0x1e0 [ 2831.709739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2831.709739][ T10] [ 2841.832115][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2841.832466][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2841.832466][ T10] netdev_get_by_index+0x5e/0x80 [ 2841.832466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2841.832466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2841.832466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2841.832466][ T10] ipv6_add_addr+0x411/0x2000 [ 2841.832466][ T10] inet6_addr_add+0x30e/0xa40 [ 2841.832466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.832466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.832466][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.832466][ T10] netlink_unicast+0x449/0x710 [ 2841.832466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.832466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.832466][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.832466][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.832466][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.832466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.832466][ T10] [ 2841.834484][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2841.834484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2841.834484][ T10] ipv6_find_idev+0x102/0x170 [ 2841.834484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.834484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.834484][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.834484][ T10] netlink_unicast+0x449/0x710 [ 2841.834484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.834484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.834484][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.834484][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.834484][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.834484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.834484][ T10] [ 2841.835984][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2841.835984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2841.835984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2841.835984][ T10] ipv6_find_idev+0x102/0x170 [ 2841.835984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.835984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.835984][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.835984][ T10] netlink_unicast+0x449/0x710 [ 2841.835984][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.835984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.835984][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.835984][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.835984][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.835984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.835984][ T10] [ 2841.837733][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2841.838015][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2841.838015][ T10] netdev_get_by_index+0x5e/0x80 [ 2841.838015][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2841.838015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2841.838015][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2841.838015][ T10] ipv6_add_addr+0x411/0x2000 [ 2841.838015][ T10] inet6_addr_add+0x30e/0xa40 [ 2841.838015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.838015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.838015][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.838015][ T10] netlink_unicast+0x449/0x710 [ 2841.838015][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.838015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.838015][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.838015][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.838015][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.838015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.838015][ T10] [ 2841.839960][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2841.839960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2841.839960][ T10] ipv6_find_idev+0x102/0x170 [ 2841.839960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.839960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.839960][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.839960][ T10] netlink_unicast+0x449/0x710 [ 2841.839960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.839960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.839960][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.839960][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.839960][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.839960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.839960][ T10] [ 2841.841517][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2841.841517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2841.841517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2841.841517][ T10] ipv6_find_idev+0x102/0x170 [ 2841.841517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.841517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.841517][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.841517][ T10] netlink_unicast+0x449/0x710 [ 2841.841517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.841517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.841517][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.841517][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.841517][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.841517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.841517][ T10] [ 2841.843265][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2841.843552][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2841.843552][ T10] netdev_get_by_index+0x5e/0x80 [ 2841.843552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2841.843552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2841.843552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2841.843552][ T10] ipv6_add_addr+0x411/0x2000 [ 2841.843552][ T10] inet6_addr_add+0x30e/0xa40 [ 2841.843552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.843552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.843552][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.843552][ T10] netlink_unicast+0x449/0x710 [ 2841.843552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.843552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.843552][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.843552][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.843552][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.843552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.843552][ T10] [ 2841.845534][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2841.845534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2841.845534][ T10] ipv6_find_idev+0x102/0x170 [ 2841.845534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.845534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.845534][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.845534][ T10] netlink_unicast+0x449/0x710 [ 2841.845534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.845534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.845534][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.845534][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.845534][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.845534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.845534][ T10] [ 2841.847032][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2841.847032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2841.847032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2841.847032][ T10] ipv6_find_idev+0x102/0x170 [ 2841.847032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.847032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.847032][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.847032][ T10] netlink_unicast+0x449/0x710 [ 2841.847032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.847032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.847032][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.847032][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.847032][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.847032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.847032][ T10] [ 2841.848694][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2841.848997][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2841.848997][ T10] netdev_get_by_index+0x5e/0x80 [ 2841.848997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2841.848997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2841.848997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2841.848997][ T10] ipv6_add_addr+0x411/0x2000 [ 2841.848997][ T10] inet6_addr_add+0x30e/0xa40 [ 2841.848997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.848997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.848997][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.848997][ T10] netlink_unicast+0x449/0x710 [ 2841.848997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.848997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.848997][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.848997][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.848997][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.848997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.848997][ T10] [ 2841.850998][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2841.850998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2841.850998][ T10] ipv6_find_idev+0x102/0x170 [ 2841.850998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.850998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.850998][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.850998][ T10] netlink_unicast+0x449/0x710 [ 2841.850998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.850998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.850998][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.850998][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.850998][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.850998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.850998][ T10] [ 2841.852567][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2841.852567][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2841.852567][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2841.852567][ T10] ipv6_find_idev+0x102/0x170 [ 2841.852567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.852567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.852567][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.852567][ T10] netlink_unicast+0x449/0x710 [ 2841.852567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.852567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.852567][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.852567][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.852567][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.852567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.852567][ T10] [ 2841.854259][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2841.854530][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2841.854530][ T10] netdev_get_by_index+0x5e/0x80 [ 2841.854530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2841.854530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2841.854530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2841.854530][ T10] ipv6_add_addr+0x411/0x2000 [ 2841.854530][ T10] inet6_addr_add+0x30e/0xa40 [ 2841.854530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.854530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.854530][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.854530][ T10] netlink_unicast+0x449/0x710 [ 2841.854530][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.854530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.854530][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.854530][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.854530][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.854530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.854530][ T10] [ 2841.856510][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2841.856510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2841.856510][ T10] ipv6_find_idev+0x102/0x170 [ 2841.856510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.856510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.856510][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.856510][ T10] netlink_unicast+0x449/0x710 [ 2841.856510][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.856510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.856510][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.856510][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.856510][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.856510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.856510][ T10] [ 2841.857986][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2841.857986][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2841.857986][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2841.857986][ T10] ipv6_find_idev+0x102/0x170 [ 2841.857986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.857986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.857986][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.857986][ T10] netlink_unicast+0x449/0x710 [ 2841.857986][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.857986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.857986][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.857986][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.857986][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.857986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.857986][ T10] [ 2841.859611][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2841.859909][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2841.859909][ T10] netdev_get_by_index+0x5e/0x80 [ 2841.859909][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2841.859909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2841.859909][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2841.859909][ T10] ipv6_add_addr+0x411/0x2000 [ 2841.859909][ T10] inet6_addr_add+0x30e/0xa40 [ 2841.859909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.859909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.859909][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.859909][ T10] netlink_unicast+0x449/0x710 [ 2841.859909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.859909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.859909][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.859909][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.859909][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.859909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.859909][ T10] [ 2841.862010][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2841.862010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2841.862010][ T10] ipv6_find_idev+0x102/0x170 [ 2841.862010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.862010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.862010][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.862010][ T10] netlink_unicast+0x449/0x710 [ 2841.862010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.862010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.862010][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.862010][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.862010][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.862010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.862010][ T10] [ 2841.863799][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2841.863799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2841.863799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2841.863799][ T10] ipv6_find_idev+0x102/0x170 [ 2841.863799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.863799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.863799][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.863799][ T10] netlink_unicast+0x449/0x710 [ 2841.863799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.863799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.863799][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.863799][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.863799][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.863799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.863799][ T10] [ 2841.865993][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2841.866728][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2841.866728][ T10] netdev_get_by_index+0x5e/0x80 [ 2841.866728][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2841.866728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2841.866728][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2841.866728][ T10] ipv6_add_addr+0x411/0x2000 [ 2841.866728][ T10] inet6_addr_add+0x30e/0xa40 [ 2841.866728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.866728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.866728][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.866728][ T10] netlink_unicast+0x449/0x710 [ 2841.866728][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.866728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.866728][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.866728][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.866728][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.866728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.866728][ T10] [ 2841.868729][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2841.868729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2841.868729][ T10] ipv6_find_idev+0x102/0x170 [ 2841.868729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.868729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.868729][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.868729][ T10] netlink_unicast+0x449/0x710 [ 2841.868729][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.868729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.868729][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.868729][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.868729][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.868729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.868729][ T10] [ 2841.870283][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2841.870283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2841.870283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2841.870283][ T10] ipv6_find_idev+0x102/0x170 [ 2841.870283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.870283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.870283][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.870283][ T10] netlink_unicast+0x449/0x710 [ 2841.870283][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.870283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.870283][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.870283][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.870283][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.870283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.870283][ T10] [ 2841.872056][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2841.872393][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2841.872393][ T10] netdev_get_by_index+0x5e/0x80 [ 2841.872393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2841.872393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2841.872393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2841.872393][ T10] ipv6_add_addr+0x411/0x2000 [ 2841.872393][ T10] inet6_addr_add+0x30e/0xa40 [ 2841.872393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.872393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.872393][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.872393][ T10] netlink_unicast+0x449/0x710 [ 2841.872393][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.872393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.872393][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.872393][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.872393][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.872393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.872393][ T10] [ 2841.874478][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2841.874478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2841.874478][ T10] ipv6_find_idev+0x102/0x170 [ 2841.874478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.874478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.874478][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.874478][ T10] netlink_unicast+0x449/0x710 [ 2841.874478][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.874478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.874478][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.874478][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.874478][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.874478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.874478][ T10] [ 2841.876084][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2841.876084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2841.876084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2841.876084][ T10] ipv6_find_idev+0x102/0x170 [ 2841.876084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.876084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.876084][ T10] netlink_rcv_skb+0x130/0x360 [ 2841.876084][ T10] netlink_unicast+0x449/0x710 [ 2841.876084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2841.876084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2841.876084][ T10] ___sys_sendmsg+0xee/0x170 [ 2841.876084][ T10] __sys_sendmsg+0xcd/0x170 [ 2841.876084][ T10] do_syscall_64+0xc6/0x1e0 [ 2841.876084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.876084][ T10] [ 2852.017642][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2852.018386][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2852.018386][ T10] netdev_get_by_index+0x5e/0x80 [ 2852.018386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2852.018386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2852.018386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2852.018386][ T10] ipv6_add_addr+0x411/0x2000 [ 2852.018386][ T10] inet6_addr_add+0x30e/0xa40 [ 2852.018386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.018386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.018386][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.018386][ T10] netlink_unicast+0x449/0x710 [ 2852.018386][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.018386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.018386][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.018386][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.018386][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.018386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.018386][ T10] [ 2852.020530][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2852.020530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2852.020530][ T10] ipv6_find_idev+0x102/0x170 [ 2852.020530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.020530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.020530][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.020530][ T10] netlink_unicast+0x449/0x710 [ 2852.020530][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.020530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.020530][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.020530][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.020530][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.020530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.020530][ T10] [ 2852.022171][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2852.022171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2852.022171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2852.022171][ T10] ipv6_find_idev+0x102/0x170 [ 2852.022171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.022171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.022171][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.022171][ T10] netlink_unicast+0x449/0x710 [ 2852.022171][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.022171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.022171][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.022171][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.022171][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.022171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.022171][ T10] [ 2852.024045][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2852.024385][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2852.024385][ T10] netdev_get_by_index+0x5e/0x80 [ 2852.024385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2852.024385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2852.024385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2852.024385][ T10] ipv6_add_addr+0x411/0x2000 [ 2852.024385][ T10] inet6_addr_add+0x30e/0xa40 [ 2852.024385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.024385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.024385][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.024385][ T10] netlink_unicast+0x449/0x710 [ 2852.024385][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.024385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.024385][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.024385][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.024385][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.024385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.024385][ T10] [ 2852.026510][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2852.026510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2852.026510][ T10] ipv6_find_idev+0x102/0x170 [ 2852.026510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.026510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.026510][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.026510][ T10] netlink_unicast+0x449/0x710 [ 2852.026510][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.026510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.026510][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.026510][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.026510][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.026510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.026510][ T10] [ 2852.028173][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2852.028173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2852.028173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2852.028173][ T10] ipv6_find_idev+0x102/0x170 [ 2852.028173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.028173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.028173][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.028173][ T10] netlink_unicast+0x449/0x710 [ 2852.028173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.028173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.028173][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.028173][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.028173][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.028173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.028173][ T10] [ 2852.030066][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2852.030454][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2852.030454][ T10] netdev_get_by_index+0x5e/0x80 [ 2852.030454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2852.030454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2852.030454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2852.030454][ T10] ipv6_add_addr+0x411/0x2000 [ 2852.030454][ T10] inet6_addr_add+0x30e/0xa40 [ 2852.030454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.030454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.030454][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.030454][ T10] netlink_unicast+0x449/0x710 [ 2852.030454][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.030454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.030454][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.030454][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.030454][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.030454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.030454][ T10] [ 2852.032512][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2852.032512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2852.032512][ T10] ipv6_find_idev+0x102/0x170 [ 2852.032512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.032512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.032512][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.032512][ T10] netlink_unicast+0x449/0x710 [ 2852.032512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.032512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.032512][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.032512][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.032512][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.032512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.032512][ T10] [ 2852.033947][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2852.033947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2852.033947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2852.033947][ T10] ipv6_find_idev+0x102/0x170 [ 2852.033947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.033947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.033947][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.033947][ T10] netlink_unicast+0x449/0x710 [ 2852.033947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.033947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.033947][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.033947][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.033947][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.033947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.033947][ T10] [ 2852.035727][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2852.036066][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2852.036066][ T10] netdev_get_by_index+0x5e/0x80 [ 2852.036066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2852.036066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2852.036066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2852.036066][ T10] ipv6_add_addr+0x411/0x2000 [ 2852.036066][ T10] inet6_addr_add+0x30e/0xa40 [ 2852.036066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.036066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.036066][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.036066][ T10] netlink_unicast+0x449/0x710 [ 2852.036066][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.036066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.036066][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.036066][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.036066][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.036066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.036066][ T10] [ 2852.038188][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2852.038188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2852.038188][ T10] ipv6_find_idev+0x102/0x170 [ 2852.038188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.038188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.038188][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.038188][ T10] netlink_unicast+0x449/0x710 [ 2852.038188][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.038188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.038188][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.038188][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.038188][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.038188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.038188][ T10] [ 2852.039831][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2852.039831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2852.039831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2852.039831][ T10] ipv6_find_idev+0x102/0x170 [ 2852.039831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.039831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.039831][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.039831][ T10] netlink_unicast+0x449/0x710 [ 2852.039831][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.039831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.039831][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.039831][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.039831][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.039831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.039831][ T10] [ 2852.041950][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2852.042299][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2852.042299][ T10] netdev_get_by_index+0x5e/0x80 [ 2852.042299][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2852.042299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2852.042299][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2852.042299][ T10] ipv6_add_addr+0x411/0x2000 [ 2852.042299][ T10] inet6_addr_add+0x30e/0xa40 [ 2852.042299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.042299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.042299][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.042299][ T10] netlink_unicast+0x449/0x710 [ 2852.042299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.042299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.042299][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.042299][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.042299][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.042299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.042299][ T10] [ 2852.044648][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2852.044648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2852.044648][ T10] ipv6_find_idev+0x102/0x170 [ 2852.044648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.044648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.044648][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.044648][ T10] netlink_unicast+0x449/0x710 [ 2852.044648][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.044648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.044648][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.044648][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.044648][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.044648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.044648][ T10] [ 2852.046487][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2852.046487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2852.046487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2852.046487][ T10] ipv6_find_idev+0x102/0x170 [ 2852.046487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.046487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.046487][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.046487][ T10] netlink_unicast+0x449/0x710 [ 2852.046487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.046487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.046487][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.046487][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.046487][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.046487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.046487][ T10] [ 2852.048476][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2852.048902][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2852.048902][ T10] netdev_get_by_index+0x5e/0x80 [ 2852.048902][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2852.048902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2852.048902][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2852.048902][ T10] ipv6_add_addr+0x411/0x2000 [ 2852.048902][ T10] inet6_addr_add+0x30e/0xa40 [ 2852.048902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.048902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.048902][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.048902][ T10] netlink_unicast+0x449/0x710 [ 2852.048902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.048902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.048902][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.048902][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.048902][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.048902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.048902][ T10] [ 2852.051021][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2852.051021][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2852.051021][ T10] ipv6_find_idev+0x102/0x170 [ 2852.051021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.051021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.051021][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.051021][ T10] netlink_unicast+0x449/0x710 [ 2852.051021][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.051021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.051021][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.051021][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.051021][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.051021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.051021][ T10] [ 2852.052756][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2852.052756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2852.052756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2852.052756][ T10] ipv6_find_idev+0x102/0x170 [ 2852.052756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.052756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.052756][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.052756][ T10] netlink_unicast+0x449/0x710 [ 2852.052756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.052756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.052756][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.052756][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.052756][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.052756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.052756][ T10] [ 2852.054747][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2852.055067][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2852.055067][ T10] netdev_get_by_index+0x5e/0x80 [ 2852.055067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2852.055067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2852.055067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2852.055067][ T10] ipv6_add_addr+0x411/0x2000 [ 2852.055067][ T10] inet6_addr_add+0x30e/0xa40 [ 2852.055067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.055067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.055067][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.055067][ T10] netlink_unicast+0x449/0x710 [ 2852.055067][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.055067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.055067][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.055067][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.055067][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.055067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.055067][ T10] [ 2852.057235][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2852.057235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2852.057235][ T10] ipv6_find_idev+0x102/0x170 [ 2852.057235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.057235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.057235][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.057235][ T10] netlink_unicast+0x449/0x710 [ 2852.057235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.057235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.057235][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.057235][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.057235][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.057235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.057235][ T10] [ 2852.059043][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2852.059043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2852.059043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2852.059043][ T10] ipv6_find_idev+0x102/0x170 [ 2852.059043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.059043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.059043][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.059043][ T10] netlink_unicast+0x449/0x710 [ 2852.059043][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.059043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.059043][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.059043][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.059043][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.059043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.059043][ T10] [ 2852.061078][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2852.061435][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2852.061435][ T10] netdev_get_by_index+0x5e/0x80 [ 2852.061435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2852.061435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2852.061435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2852.061435][ T10] ipv6_add_addr+0x411/0x2000 [ 2852.061435][ T10] inet6_addr_add+0x30e/0xa40 [ 2852.061435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2852.061435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.061435][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.061435][ T10] netlink_unicast+0x449/0x710 [ 2852.061435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.061435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.061435][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.061435][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.061435][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.061435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.061435][ T10] [ 2852.063553][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2852.063553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2852.063553][ T10] ipv6_find_idev+0x102/0x170 [ 2852.063553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.063553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.063553][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.063553][ T10] netlink_unicast+0x449/0x710 [ 2852.063553][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.063553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.063553][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.063553][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.063553][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.063553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.063553][ T10] [ 2852.065176][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2852.065176][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2852.065176][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2852.065176][ T10] ipv6_find_idev+0x102/0x170 [ 2852.065176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2852.065176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2852.065176][ T10] netlink_rcv_skb+0x130/0x360 [ 2852.065176][ T10] netlink_unicast+0x449/0x710 [ 2852.065176][ T10] netlink_sendmsg+0x723/0xbe0 [ 2852.065176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2852.065176][ T10] ___sys_sendmsg+0xee/0x170 [ 2852.065176][ T10] __sys_sendmsg+0xcd/0x170 [ 2852.065176][ T10] do_syscall_64+0xc6/0x1e0 [ 2852.065176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2852.065176][ T10] [ 2862.248239][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2862.248587][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2862.248587][ T10] netdev_get_by_index+0x5e/0x80 [ 2862.248587][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2862.248587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2862.248587][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2862.248587][ T10] ipv6_add_addr+0x411/0x2000 [ 2862.248587][ T10] inet6_addr_add+0x30e/0xa40 [ 2862.248587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.248587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.248587][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.248587][ T10] netlink_unicast+0x449/0x710 [ 2862.248587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.248587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.248587][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.248587][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.248587][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.248587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.248587][ T10] [ 2862.250696][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2862.250696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2862.250696][ T10] ipv6_find_idev+0x102/0x170 [ 2862.250696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.250696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.250696][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.250696][ T10] netlink_unicast+0x449/0x710 [ 2862.250696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.250696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.250696][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.250696][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.250696][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.250696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.250696][ T10] [ 2862.252311][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2862.252311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2862.252311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2862.252311][ T10] ipv6_find_idev+0x102/0x170 [ 2862.252311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.252311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.252311][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.252311][ T10] netlink_unicast+0x449/0x710 [ 2862.252311][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.252311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.252311][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.252311][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.252311][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.252311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.252311][ T10] [ 2862.254070][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2862.254369][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2862.254369][ T10] netdev_get_by_index+0x5e/0x80 [ 2862.254369][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2862.254369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2862.254369][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2862.254369][ T10] ipv6_add_addr+0x411/0x2000 [ 2862.254369][ T10] inet6_addr_add+0x30e/0xa40 [ 2862.254369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.254369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.254369][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.254369][ T10] netlink_unicast+0x449/0x710 [ 2862.254369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.254369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.254369][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.254369][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.254369][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.254369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.254369][ T10] [ 2862.256427][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2862.256427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2862.256427][ T10] ipv6_find_idev+0x102/0x170 [ 2862.256427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.256427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.256427][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.256427][ T10] netlink_unicast+0x449/0x710 [ 2862.256427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.256427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.256427][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.256427][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.256427][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.256427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.256427][ T10] [ 2862.257945][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2862.257945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2862.257945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2862.257945][ T10] ipv6_find_idev+0x102/0x170 [ 2862.257945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.257945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.257945][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.257945][ T10] netlink_unicast+0x449/0x710 [ 2862.257945][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.257945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.257945][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.257945][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.257945][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.257945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.257945][ T10] [ 2862.259676][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2862.259935][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2862.259935][ T10] netdev_get_by_index+0x5e/0x80 [ 2862.259935][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2862.259935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2862.259935][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2862.259935][ T10] ipv6_add_addr+0x411/0x2000 [ 2862.259935][ T10] inet6_addr_add+0x30e/0xa40 [ 2862.259935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.259935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.259935][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.259935][ T10] netlink_unicast+0x449/0x710 [ 2862.259935][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.259935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.259935][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.259935][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.259935][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.259935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.259935][ T10] [ 2862.262163][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2862.262163][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2862.262163][ T10] ipv6_find_idev+0x102/0x170 [ 2862.262163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.262163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.262163][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.262163][ T10] netlink_unicast+0x449/0x710 [ 2862.262163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.262163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.262163][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.262163][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.262163][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.262163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.262163][ T10] [ 2862.263880][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2862.263880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2862.263880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2862.263880][ T10] ipv6_find_idev+0x102/0x170 [ 2862.263880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.263880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.263880][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.263880][ T10] netlink_unicast+0x449/0x710 [ 2862.263880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.263880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.263880][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.263880][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.263880][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.263880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.263880][ T10] [ 2862.266043][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2862.266397][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2862.266397][ T10] netdev_get_by_index+0x5e/0x80 [ 2862.266397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2862.266397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2862.266397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2862.266397][ T10] ipv6_add_addr+0x411/0x2000 [ 2862.266397][ T10] inet6_addr_add+0x30e/0xa40 [ 2862.266397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.266397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.266397][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.266397][ T10] netlink_unicast+0x449/0x710 [ 2862.266397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.266397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.266397][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.266397][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.266397][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.266397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.266397][ T10] [ 2862.268461][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2862.268461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2862.268461][ T10] ipv6_find_idev+0x102/0x170 [ 2862.268461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.268461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.268461][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.268461][ T10] netlink_unicast+0x449/0x710 [ 2862.268461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.268461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.268461][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.268461][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.268461][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.268461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.268461][ T10] [ 2862.270363][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2862.270363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2862.270363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2862.270363][ T10] ipv6_find_idev+0x102/0x170 [ 2862.270363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.270363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.270363][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.270363][ T10] netlink_unicast+0x449/0x710 [ 2862.270363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.270363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.270363][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.270363][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.270363][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.270363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.270363][ T10] [ 2862.272151][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2862.272536][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2862.272536][ T10] netdev_get_by_index+0x5e/0x80 [ 2862.272536][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2862.272536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2862.272536][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2862.272536][ T10] ipv6_add_addr+0x411/0x2000 [ 2862.272536][ T10] inet6_addr_add+0x30e/0xa40 [ 2862.272536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.272536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.272536][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.272536][ T10] netlink_unicast+0x449/0x710 [ 2862.272536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.272536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.272536][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.272536][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.272536][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.272536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.272536][ T10] [ 2862.274968][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2862.274968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2862.274968][ T10] ipv6_find_idev+0x102/0x170 [ 2862.274968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.274968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.274968][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.274968][ T10] netlink_unicast+0x449/0x710 [ 2862.274968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.274968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.274968][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.274968][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.274968][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.274968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.274968][ T10] [ 2862.276805][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2862.276805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2862.276805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2862.276805][ T10] ipv6_find_idev+0x102/0x170 [ 2862.276805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.276805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.276805][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.276805][ T10] netlink_unicast+0x449/0x710 [ 2862.276805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.276805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.276805][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.276805][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.276805][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.276805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.276805][ T10] [ 2862.278928][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2862.279270][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2862.279270][ T10] netdev_get_by_index+0x5e/0x80 [ 2862.279270][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2862.279270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2862.279270][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2862.279270][ T10] ipv6_add_addr+0x411/0x2000 [ 2862.279270][ T10] inet6_addr_add+0x30e/0xa40 [ 2862.279270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.279270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.279270][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.279270][ T10] netlink_unicast+0x449/0x710 [ 2862.279270][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.279270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.279270][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.279270][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.279270][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.279270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.279270][ T10] [ 2862.281480][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2862.281480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2862.281480][ T10] ipv6_find_idev+0x102/0x170 [ 2862.281480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.281480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.281480][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.281480][ T10] netlink_unicast+0x449/0x710 [ 2862.281480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.281480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.281480][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.281480][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.281480][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.281480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.281480][ T10] [ 2862.283124][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2862.283124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2862.283124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2862.283124][ T10] ipv6_find_idev+0x102/0x170 [ 2862.283124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.283124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.283124][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.283124][ T10] netlink_unicast+0x449/0x710 [ 2862.283124][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.283124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.283124][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.283124][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.283124][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.283124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.283124][ T10] [ 2862.285145][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2862.285463][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2862.285463][ T10] netdev_get_by_index+0x5e/0x80 [ 2862.285463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2862.285463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2862.285463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2862.285463][ T10] ipv6_add_addr+0x411/0x2000 [ 2862.285463][ T10] inet6_addr_add+0x30e/0xa40 [ 2862.285463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.285463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.285463][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.285463][ T10] netlink_unicast+0x449/0x710 [ 2862.285463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.285463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.285463][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.285463][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.285463][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.285463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.285463][ T10] [ 2862.288027][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2862.288027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2862.288027][ T10] ipv6_find_idev+0x102/0x170 [ 2862.288027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.288027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.288027][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.288027][ T10] netlink_unicast+0x449/0x710 [ 2862.288027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.288027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.288027][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.288027][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.288027][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.288027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.288027][ T10] [ 2862.289818][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2862.289818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2862.289818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2862.289818][ T10] ipv6_find_idev+0x102/0x170 [ 2862.289818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.289818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.289818][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.289818][ T10] netlink_unicast+0x449/0x710 [ 2862.289818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.289818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.289818][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.289818][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.289818][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.289818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.289818][ T10] [ 2862.291915][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2862.292257][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2862.292257][ T10] netdev_get_by_index+0x5e/0x80 [ 2862.292257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2862.292257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2862.292257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2862.292257][ T10] ipv6_add_addr+0x411/0x2000 [ 2862.292257][ T10] inet6_addr_add+0x30e/0xa40 [ 2862.292257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2862.292257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.292257][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.292257][ T10] netlink_unicast+0x449/0x710 [ 2862.292257][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.292257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.292257][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.292257][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.292257][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.292257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.292257][ T10] [ 2862.294526][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2862.294526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2862.294526][ T10] ipv6_find_idev+0x102/0x170 [ 2862.294526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.294526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.294526][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.294526][ T10] netlink_unicast+0x449/0x710 [ 2862.294526][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.294526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.294526][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.294526][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.294526][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.294526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.294526][ T10] [ 2862.296320][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2862.296320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2862.296320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2862.296320][ T10] ipv6_find_idev+0x102/0x170 [ 2862.296320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2862.296320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2862.296320][ T10] netlink_rcv_skb+0x130/0x360 [ 2862.296320][ T10] netlink_unicast+0x449/0x710 [ 2862.296320][ T10] netlink_sendmsg+0x723/0xbe0 [ 2862.296320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2862.296320][ T10] ___sys_sendmsg+0xee/0x170 [ 2862.296320][ T10] __sys_sendmsg+0xcd/0x170 [ 2862.296320][ T10] do_syscall_64+0xc6/0x1e0 [ 2862.296320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2862.296320][ T10] [ 2872.424216][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2872.424635][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2872.424635][ T10] netdev_get_by_index+0x5e/0x80 [ 2872.424635][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2872.424635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2872.424635][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2872.424635][ T10] ipv6_add_addr+0x411/0x2000 [ 2872.424635][ T10] inet6_addr_add+0x30e/0xa40 [ 2872.424635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2872.424635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.424635][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.424635][ T10] netlink_unicast+0x449/0x710 [ 2872.424635][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.424635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.424635][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.424635][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.424635][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.424635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.424635][ T10] [ 2872.427125][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2872.427125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2872.427125][ T10] ipv6_find_idev+0x102/0x170 [ 2872.427125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.427125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.427125][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.427125][ T10] netlink_unicast+0x449/0x710 [ 2872.427125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.427125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.427125][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.427125][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.427125][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.427125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.427125][ T10] [ 2872.429031][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2872.429031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2872.429031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2872.429031][ T10] ipv6_find_idev+0x102/0x170 [ 2872.429031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.429031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.429031][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.429031][ T10] netlink_unicast+0x449/0x710 [ 2872.429031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.429031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.429031][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.429031][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.429031][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.429031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.429031][ T10] [ 2872.431118][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2872.431462][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2872.431462][ T10] netdev_get_by_index+0x5e/0x80 [ 2872.431462][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2872.431462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2872.431462][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2872.431462][ T10] ipv6_add_addr+0x411/0x2000 [ 2872.431462][ T10] inet6_addr_add+0x30e/0xa40 [ 2872.431462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2872.431462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.431462][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.431462][ T10] netlink_unicast+0x449/0x710 [ 2872.431462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.431462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.431462][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.431462][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.431462][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.431462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.431462][ T10] [ 2872.433916][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2872.433916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2872.433916][ T10] ipv6_find_idev+0x102/0x170 [ 2872.433916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.433916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.433916][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.433916][ T10] netlink_unicast+0x449/0x710 [ 2872.433916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.433916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.433916][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.433916][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.433916][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.433916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.433916][ T10] [ 2872.435830][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2872.435830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2872.435830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2872.435830][ T10] ipv6_find_idev+0x102/0x170 [ 2872.435830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.435830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.435830][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.435830][ T10] netlink_unicast+0x449/0x710 [ 2872.435830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.435830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.435830][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.435830][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.435830][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.435830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.435830][ T10] [ 2872.437892][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2872.438229][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2872.438229][ T10] netdev_get_by_index+0x5e/0x80 [ 2872.438229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2872.438229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2872.438229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2872.438229][ T10] ipv6_add_addr+0x411/0x2000 [ 2872.438229][ T10] inet6_addr_add+0x30e/0xa40 [ 2872.438229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2872.438229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.438229][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.438229][ T10] netlink_unicast+0x449/0x710 [ 2872.438229][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.438229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.438229][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.438229][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.438229][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.438229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.438229][ T10] [ 2872.440685][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2872.440685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2872.440685][ T10] ipv6_find_idev+0x102/0x170 [ 2872.440685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.440685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.440685][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.440685][ T10] netlink_unicast+0x449/0x710 [ 2872.440685][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.440685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.440685][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.440685][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.440685][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.440685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.440685][ T10] [ 2872.442590][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2872.442590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2872.442590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2872.442590][ T10] ipv6_find_idev+0x102/0x170 [ 2872.442590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.442590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.442590][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.442590][ T10] netlink_unicast+0x449/0x710 [ 2872.442590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.442590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.442590][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.442590][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.442590][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.442590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.442590][ T10] [ 2872.444662][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2872.444984][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2872.444984][ T10] netdev_get_by_index+0x5e/0x80 [ 2872.444984][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2872.444984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2872.444984][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2872.444984][ T10] ipv6_add_addr+0x411/0x2000 [ 2872.444984][ T10] inet6_addr_add+0x30e/0xa40 [ 2872.444984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2872.444984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.444984][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.444984][ T10] netlink_unicast+0x449/0x710 [ 2872.444984][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.444984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.444984][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.444984][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.444984][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.444984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.444984][ T10] [ 2872.447447][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2872.447447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2872.447447][ T10] ipv6_find_idev+0x102/0x170 [ 2872.447447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.447447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.447447][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.447447][ T10] netlink_unicast+0x449/0x710 [ 2872.447447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.447447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.447447][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.447447][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.447447][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.447447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.447447][ T10] [ 2872.449528][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2872.449528][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2872.449528][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2872.449528][ T10] ipv6_find_idev+0x102/0x170 [ 2872.449528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.449528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.449528][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.449528][ T10] netlink_unicast+0x449/0x710 [ 2872.449528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.449528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.449528][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.449528][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.449528][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.449528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.449528][ T10] [ 2872.451907][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2872.452307][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2872.452307][ T10] netdev_get_by_index+0x5e/0x80 [ 2872.452307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2872.452307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2872.452307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2872.452307][ T10] ipv6_add_addr+0x411/0x2000 [ 2872.452307][ T10] inet6_addr_add+0x30e/0xa40 [ 2872.452307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2872.452307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.452307][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.452307][ T10] netlink_unicast+0x449/0x710 [ 2872.452307][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.452307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.452307][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.452307][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.452307][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.452307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.452307][ T10] [ 2872.455108][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2872.455108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2872.455108][ T10] ipv6_find_idev+0x102/0x170 [ 2872.455108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.455108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.455108][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.455108][ T10] netlink_unicast+0x449/0x710 [ 2872.455108][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.455108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.455108][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.455108][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.455108][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.455108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.455108][ T10] [ 2872.457137][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2872.457137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2872.457137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2872.457137][ T10] ipv6_find_idev+0x102/0x170 [ 2872.457137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.457137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.457137][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.457137][ T10] netlink_unicast+0x449/0x710 [ 2872.457137][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.457137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.457137][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.457137][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.457137][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.457137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.457137][ T10] [ 2872.459537][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2872.460013][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2872.460013][ T10] netdev_get_by_index+0x5e/0x80 [ 2872.460013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2872.460013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2872.460013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2872.460013][ T10] ipv6_add_addr+0x411/0x2000 [ 2872.460013][ T10] inet6_addr_add+0x30e/0xa40 [ 2872.460013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2872.460013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.460013][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.460013][ T10] netlink_unicast+0x449/0x710 [ 2872.460013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.460013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.460013][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.460013][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.460013][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.460013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.460013][ T10] [ 2872.462568][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2872.462568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2872.462568][ T10] ipv6_find_idev+0x102/0x170 [ 2872.462568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.462568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.462568][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.462568][ T10] netlink_unicast+0x449/0x710 [ 2872.462568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.462568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.462568][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.462568][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.462568][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.462568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.462568][ T10] [ 2872.464657][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2872.464657][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2872.464657][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2872.464657][ T10] ipv6_find_idev+0x102/0x170 [ 2872.464657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.464657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.464657][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.464657][ T10] netlink_unicast+0x449/0x710 [ 2872.464657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.464657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.464657][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.464657][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.464657][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.464657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.464657][ T10] [ 2872.466974][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2872.467431][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2872.467431][ T10] netdev_get_by_index+0x5e/0x80 [ 2872.467431][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2872.467431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2872.467431][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2872.467431][ T10] ipv6_add_addr+0x411/0x2000 [ 2872.467431][ T10] inet6_addr_add+0x30e/0xa40 [ 2872.467431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2872.467431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.467431][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.467431][ T10] netlink_unicast+0x449/0x710 [ 2872.467431][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.467431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.467431][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.467431][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.467431][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.467431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.467431][ T10] [ 2872.470128][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2872.470128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2872.470128][ T10] ipv6_find_idev+0x102/0x170 [ 2872.470128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.470128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.470128][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.470128][ T10] netlink_unicast+0x449/0x710 [ 2872.470128][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.470128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.470128][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.470128][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.470128][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.470128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.470128][ T10] [ 2872.472271][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2872.472271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2872.472271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2872.472271][ T10] ipv6_find_idev+0x102/0x170 [ 2872.472271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.472271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.472271][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.472271][ T10] netlink_unicast+0x449/0x710 [ 2872.472271][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.472271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.472271][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.472271][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.472271][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.472271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.472271][ T10] [ 2872.474613][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2872.474951][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2872.474951][ T10] netdev_get_by_index+0x5e/0x80 [ 2872.474951][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2872.474951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2872.474951][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2872.474951][ T10] ipv6_add_addr+0x411/0x2000 [ 2872.474951][ T10] inet6_addr_add+0x30e/0xa40 [ 2872.474951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2872.474951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.474951][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.474951][ T10] netlink_unicast+0x449/0x710 [ 2872.474951][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.474951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.474951][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.474951][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.474951][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.474951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.474951][ T10] [ 2872.477403][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2872.477403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2872.477403][ T10] ipv6_find_idev+0x102/0x170 [ 2872.477403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.477403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.477403][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.477403][ T10] netlink_unicast+0x449/0x710 [ 2872.477403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.477403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.477403][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.477403][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.477403][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.477403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.477403][ T10] [ 2872.479537][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2872.479537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2872.479537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2872.479537][ T10] ipv6_find_idev+0x102/0x170 [ 2872.479537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2872.479537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2872.479537][ T10] netlink_rcv_skb+0x130/0x360 [ 2872.479537][ T10] netlink_unicast+0x449/0x710 [ 2872.479537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2872.479537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2872.479537][ T10] ___sys_sendmsg+0xee/0x170 [ 2872.479537][ T10] __sys_sendmsg+0xcd/0x170 [ 2872.479537][ T10] do_syscall_64+0xc6/0x1e0 [ 2872.479537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2872.479537][ T10] [ 2882.568154][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2882.568504][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2882.568504][ T10] netdev_get_by_index+0x5e/0x80 [ 2882.568504][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2882.568504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2882.568504][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2882.568504][ T10] ipv6_add_addr+0x411/0x2000 [ 2882.568504][ T10] inet6_addr_add+0x30e/0xa40 [ 2882.568504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.568504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.568504][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.568504][ T10] netlink_unicast+0x449/0x710 [ 2882.568504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.568504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.568504][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.568504][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.568504][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.568504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.568504][ T10] [ 2882.570797][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2882.570797][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2882.570797][ T10] ipv6_find_idev+0x102/0x170 [ 2882.570797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.570797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.570797][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.570797][ T10] netlink_unicast+0x449/0x710 [ 2882.570797][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.570797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.570797][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.570797][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.570797][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.570797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.570797][ T10] [ 2882.572593][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2882.572593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2882.572593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2882.572593][ T10] ipv6_find_idev+0x102/0x170 [ 2882.572593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.572593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.572593][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.572593][ T10] netlink_unicast+0x449/0x710 [ 2882.572593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.572593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.572593][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.572593][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.572593][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.572593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.572593][ T10] [ 2882.575038][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2882.575507][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2882.575507][ T10] netdev_get_by_index+0x5e/0x80 [ 2882.575507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2882.575507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2882.575507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2882.575507][ T10] ipv6_add_addr+0x411/0x2000 [ 2882.575507][ T10] inet6_addr_add+0x30e/0xa40 [ 2882.575507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.575507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.575507][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.575507][ T10] netlink_unicast+0x449/0x710 [ 2882.575507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.575507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.575507][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.575507][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.575507][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.575507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.575507][ T10] [ 2882.577710][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2882.577710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2882.577710][ T10] ipv6_find_idev+0x102/0x170 [ 2882.577710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.577710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.577710][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.577710][ T10] netlink_unicast+0x449/0x710 [ 2882.577710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.577710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.577710][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.577710][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.577710][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.577710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.577710][ T10] [ 2882.579449][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2882.579449][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2882.579449][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2882.579449][ T10] ipv6_find_idev+0x102/0x170 [ 2882.579449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.579449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.579449][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.579449][ T10] netlink_unicast+0x449/0x710 [ 2882.579449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.579449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.579449][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.579449][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.579449][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.579449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.579449][ T10] [ 2882.581373][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2882.581676][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2882.581676][ T10] netdev_get_by_index+0x5e/0x80 [ 2882.581676][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2882.581676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2882.581676][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2882.581676][ T10] ipv6_add_addr+0x411/0x2000 [ 2882.581676][ T10] inet6_addr_add+0x30e/0xa40 [ 2882.581676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.581676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.581676][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.581676][ T10] netlink_unicast+0x449/0x710 [ 2882.581676][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.581676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.581676][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.581676][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.581676][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.581676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.581676][ T10] [ 2882.583958][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2882.583958][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2882.583958][ T10] ipv6_find_idev+0x102/0x170 [ 2882.583958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.583958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.583958][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.583958][ T10] netlink_unicast+0x449/0x710 [ 2882.583958][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.583958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.583958][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.583958][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.583958][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.583958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.583958][ T10] [ 2882.585714][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2882.585714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2882.585714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2882.585714][ T10] ipv6_find_idev+0x102/0x170 [ 2882.585714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.585714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.585714][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.585714][ T10] netlink_unicast+0x449/0x710 [ 2882.585714][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.585714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.585714][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.585714][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.585714][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.585714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.585714][ T10] [ 2882.587686][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2882.587987][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2882.587987][ T10] netdev_get_by_index+0x5e/0x80 [ 2882.587987][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2882.587987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2882.587987][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2882.587987][ T10] ipv6_add_addr+0x411/0x2000 [ 2882.587987][ T10] inet6_addr_add+0x30e/0xa40 [ 2882.587987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.587987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.587987][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.587987][ T10] netlink_unicast+0x449/0x710 [ 2882.587987][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.587987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.587987][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.587987][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.587987][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.587987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.587987][ T10] [ 2882.590280][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2882.590280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2882.590280][ T10] ipv6_find_idev+0x102/0x170 [ 2882.590280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.590280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.590280][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.590280][ T10] netlink_unicast+0x449/0x710 [ 2882.590280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.590280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.590280][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.590280][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.590280][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.590280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.590280][ T10] [ 2882.592230][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2882.592230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2882.592230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2882.592230][ T10] ipv6_find_idev+0x102/0x170 [ 2882.592230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.592230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.592230][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.592230][ T10] netlink_unicast+0x449/0x710 [ 2882.592230][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.592230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.592230][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.592230][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.592230][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.592230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.592230][ T10] [ 2882.594445][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2882.594809][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2882.594809][ T10] netdev_get_by_index+0x5e/0x80 [ 2882.594809][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2882.594809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2882.594809][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2882.594809][ T10] ipv6_add_addr+0x411/0x2000 [ 2882.594809][ T10] inet6_addr_add+0x30e/0xa40 [ 2882.594809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.594809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.594809][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.594809][ T10] netlink_unicast+0x449/0x710 [ 2882.594809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.594809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.594809][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.594809][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.594809][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.594809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.594809][ T10] [ 2882.597292][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2882.597292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2882.597292][ T10] ipv6_find_idev+0x102/0x170 [ 2882.597292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.597292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.597292][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.597292][ T10] netlink_unicast+0x449/0x710 [ 2882.597292][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.597292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.597292][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.597292][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.597292][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.597292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.597292][ T10] [ 2882.599255][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2882.599255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2882.599255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2882.599255][ T10] ipv6_find_idev+0x102/0x170 [ 2882.599255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.599255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.599255][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.599255][ T10] netlink_unicast+0x449/0x710 [ 2882.599255][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.599255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.599255][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.599255][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.599255][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.599255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.599255][ T10] [ 2882.601540][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2882.601843][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2882.601843][ T10] netdev_get_by_index+0x5e/0x80 [ 2882.601843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2882.601843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2882.601843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2882.601843][ T10] ipv6_add_addr+0x411/0x2000 [ 2882.601843][ T10] inet6_addr_add+0x30e/0xa40 [ 2882.601843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.601843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.601843][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.601843][ T10] netlink_unicast+0x449/0x710 [ 2882.601843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.601843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.601843][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.601843][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.601843][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.601843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.601843][ T10] [ 2882.604266][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2882.604266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2882.604266][ T10] ipv6_find_idev+0x102/0x170 [ 2882.604266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.604266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.604266][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.604266][ T10] netlink_unicast+0x449/0x710 [ 2882.604266][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.604266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.604266][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.604266][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.604266][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.604266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.604266][ T10] [ 2882.606159][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2882.606159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2882.606159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2882.606159][ T10] ipv6_find_idev+0x102/0x170 [ 2882.606159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.606159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.606159][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.606159][ T10] netlink_unicast+0x449/0x710 [ 2882.606159][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.606159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.606159][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.606159][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.606159][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.606159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.606159][ T10] [ 2882.608373][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2882.608675][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2882.608675][ T10] netdev_get_by_index+0x5e/0x80 [ 2882.608675][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2882.608675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2882.608675][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2882.608675][ T10] ipv6_add_addr+0x411/0x2000 [ 2882.608675][ T10] inet6_addr_add+0x30e/0xa40 [ 2882.608675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.608675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.608675][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.608675][ T10] netlink_unicast+0x449/0x710 [ 2882.608675][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.608675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.608675][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.608675][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.608675][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.608675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.608675][ T10] [ 2882.611261][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2882.611261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2882.611261][ T10] ipv6_find_idev+0x102/0x170 [ 2882.611261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.611261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.611261][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.611261][ T10] netlink_unicast+0x449/0x710 [ 2882.611261][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.611261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.611261][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.611261][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.611261][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.611261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.611261][ T10] [ 2882.613291][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2882.613291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2882.613291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2882.613291][ T10] ipv6_find_idev+0x102/0x170 [ 2882.613291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.613291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.613291][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.613291][ T10] netlink_unicast+0x449/0x710 [ 2882.613291][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.613291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.613291][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.613291][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.613291][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.613291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.613291][ T10] [ 2882.615506][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2882.615806][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2882.615806][ T10] netdev_get_by_index+0x5e/0x80 [ 2882.615806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2882.615806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2882.615806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2882.615806][ T10] ipv6_add_addr+0x411/0x2000 [ 2882.615806][ T10] inet6_addr_add+0x30e/0xa40 [ 2882.615806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2882.615806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.615806][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.615806][ T10] netlink_unicast+0x449/0x710 [ 2882.615806][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.615806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.615806][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.615806][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.615806][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.615806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.615806][ T10] [ 2882.618132][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2882.618132][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2882.618132][ T10] ipv6_find_idev+0x102/0x170 [ 2882.618132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.618132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.618132][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.618132][ T10] netlink_unicast+0x449/0x710 [ 2882.618132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.618132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.618132][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.618132][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.618132][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.618132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.618132][ T10] [ 2882.620057][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2882.620057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2882.620057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2882.620057][ T10] ipv6_find_idev+0x102/0x170 [ 2882.620057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2882.620057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2882.620057][ T10] netlink_rcv_skb+0x130/0x360 [ 2882.620057][ T10] netlink_unicast+0x449/0x710 [ 2882.620057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2882.620057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2882.620057][ T10] ___sys_sendmsg+0xee/0x170 [ 2882.620057][ T10] __sys_sendmsg+0xcd/0x170 [ 2882.620057][ T10] do_syscall_64+0xc6/0x1e0 [ 2882.620057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2882.620057][ T10] [ 2892.744288][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2892.744936][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2892.744936][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.744936][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2892.744936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.744936][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2892.744936][ T10] ipv6_add_addr+0x411/0x2000 [ 2892.744936][ T10] inet6_addr_add+0x30e/0xa40 [ 2892.744936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.744936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.744936][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.744936][ T10] netlink_unicast+0x449/0x710 [ 2892.744936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.744936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.744936][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.744936][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.744936][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.744936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.744936][ T10] [ 2892.746848][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2892.746848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2892.746848][ T10] ipv6_find_idev+0x102/0x170 [ 2892.746848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.746848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.746848][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.746848][ T10] netlink_unicast+0x449/0x710 [ 2892.746848][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.746848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.746848][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.746848][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.746848][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.746848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.746848][ T10] [ 2892.748290][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2892.748290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2892.748290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2892.748290][ T10] ipv6_find_idev+0x102/0x170 [ 2892.748290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.748290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.748290][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.748290][ T10] netlink_unicast+0x449/0x710 [ 2892.748290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.748290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.748290][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.748290][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.748290][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.748290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.748290][ T10] [ 2892.749898][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2892.750197][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2892.750197][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.750197][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2892.750197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.750197][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2892.750197][ T10] ipv6_add_addr+0x411/0x2000 [ 2892.750197][ T10] inet6_addr_add+0x30e/0xa40 [ 2892.750197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.750197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.750197][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.750197][ T10] netlink_unicast+0x449/0x710 [ 2892.750197][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.750197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.750197][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.750197][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.750197][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.750197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.750197][ T10] [ 2892.752232][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2892.752232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2892.752232][ T10] ipv6_find_idev+0x102/0x170 [ 2892.752232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.752232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.752232][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.752232][ T10] netlink_unicast+0x449/0x710 [ 2892.752232][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.752232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.752232][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.752232][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.752232][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.752232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.752232][ T10] [ 2892.753780][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2892.753780][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2892.753780][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2892.753780][ T10] ipv6_find_idev+0x102/0x170 [ 2892.753780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.753780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.753780][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.753780][ T10] netlink_unicast+0x449/0x710 [ 2892.753780][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.753780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.753780][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.753780][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.753780][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.753780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.753780][ T10] [ 2892.755447][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2892.755715][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2892.755715][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.755715][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2892.755715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.755715][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2892.755715][ T10] ipv6_add_addr+0x411/0x2000 [ 2892.755715][ T10] inet6_addr_add+0x30e/0xa40 [ 2892.755715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.755715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.755715][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.755715][ T10] netlink_unicast+0x449/0x710 [ 2892.755715][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.755715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.755715][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.755715][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.755715][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.755715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.755715][ T10] [ 2892.757678][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2892.757678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2892.757678][ T10] ipv6_find_idev+0x102/0x170 [ 2892.757678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.757678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.757678][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.757678][ T10] netlink_unicast+0x449/0x710 [ 2892.757678][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.757678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.757678][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.757678][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.757678][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.757678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.757678][ T10] [ 2892.759181][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2892.759181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2892.759181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2892.759181][ T10] ipv6_find_idev+0x102/0x170 [ 2892.759181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.759181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.759181][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.759181][ T10] netlink_unicast+0x449/0x710 [ 2892.759181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.759181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.759181][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.759181][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.759181][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.759181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.759181][ T10] [ 2892.760857][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2892.761126][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2892.761126][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.761126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2892.761126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.761126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2892.761126][ T10] ipv6_add_addr+0x411/0x2000 [ 2892.761126][ T10] inet6_addr_add+0x30e/0xa40 [ 2892.761126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.761126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.761126][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.761126][ T10] netlink_unicast+0x449/0x710 [ 2892.761126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.761126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.761126][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.761126][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.761126][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.761126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.761126][ T10] [ 2892.763127][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2892.763127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2892.763127][ T10] ipv6_find_idev+0x102/0x170 [ 2892.763127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.763127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.763127][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.763127][ T10] netlink_unicast+0x449/0x710 [ 2892.763127][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.763127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.763127][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.763127][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.763127][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.763127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.763127][ T10] [ 2892.764663][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2892.764663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2892.764663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2892.764663][ T10] ipv6_find_idev+0x102/0x170 [ 2892.764663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.764663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.764663][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.764663][ T10] netlink_unicast+0x449/0x710 [ 2892.764663][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.764663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.764663][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.764663][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.764663][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.764663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.764663][ T10] [ 2892.766843][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2892.767220][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2892.767220][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.767220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2892.767220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.767220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2892.767220][ T10] ipv6_add_addr+0x411/0x2000 [ 2892.767220][ T10] inet6_addr_add+0x30e/0xa40 [ 2892.767220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.767220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.767220][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.767220][ T10] netlink_unicast+0x449/0x710 [ 2892.767220][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.767220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.767220][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.767220][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.767220][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.767220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.767220][ T10] [ 2892.769174][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2892.769174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2892.769174][ T10] ipv6_find_idev+0x102/0x170 [ 2892.769174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.769174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.769174][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.769174][ T10] netlink_unicast+0x449/0x710 [ 2892.769174][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.769174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.769174][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.769174][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.769174][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.769174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.769174][ T10] [ 2892.770712][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2892.770712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2892.770712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2892.770712][ T10] ipv6_find_idev+0x102/0x170 [ 2892.770712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.770712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.770712][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.770712][ T10] netlink_unicast+0x449/0x710 [ 2892.770712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.770712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.770712][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.770712][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.770712][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.770712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.770712][ T10] [ 2892.772645][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2892.772953][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2892.772953][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.772953][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2892.772953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.772953][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2892.772953][ T10] ipv6_add_addr+0x411/0x2000 [ 2892.772953][ T10] inet6_addr_add+0x30e/0xa40 [ 2892.772953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.772953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.772953][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.772953][ T10] netlink_unicast+0x449/0x710 [ 2892.772953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.772953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.772953][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.772953][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.772953][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.772953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.772953][ T10] [ 2892.775125][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2892.775125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2892.775125][ T10] ipv6_find_idev+0x102/0x170 [ 2892.775125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.775125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.775125][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.775125][ T10] netlink_unicast+0x449/0x710 [ 2892.775125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.775125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.775125][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.775125][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.775125][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.775125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.775125][ T10] [ 2892.776868][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2892.776868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2892.776868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2892.776868][ T10] ipv6_find_idev+0x102/0x170 [ 2892.776868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.776868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.776868][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.776868][ T10] netlink_unicast+0x449/0x710 [ 2892.776868][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.776868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.776868][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.776868][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.776868][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.776868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.776868][ T10] [ 2892.778782][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2892.779109][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2892.779109][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.779109][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2892.779109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.779109][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2892.779109][ T10] ipv6_add_addr+0x411/0x2000 [ 2892.779109][ T10] inet6_addr_add+0x30e/0xa40 [ 2892.779109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.779109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.779109][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.779109][ T10] netlink_unicast+0x449/0x710 [ 2892.779109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.779109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.779109][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.779109][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.779109][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.779109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.779109][ T10] [ 2892.781282][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2892.781282][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2892.781282][ T10] ipv6_find_idev+0x102/0x170 [ 2892.781282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.781282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.781282][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.781282][ T10] netlink_unicast+0x449/0x710 [ 2892.781282][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.781282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.781282][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.781282][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.781282][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.781282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.781282][ T10] [ 2892.783040][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2892.783040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2892.783040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2892.783040][ T10] ipv6_find_idev+0x102/0x170 [ 2892.783040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.783040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.783040][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.783040][ T10] netlink_unicast+0x449/0x710 [ 2892.783040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.783040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.783040][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.783040][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.783040][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.783040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.783040][ T10] [ 2892.784951][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2892.785280][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2892.785280][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.785280][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2892.785280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.785280][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2892.785280][ T10] ipv6_add_addr+0x411/0x2000 [ 2892.785280][ T10] inet6_addr_add+0x30e/0xa40 [ 2892.785280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.785280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.785280][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.785280][ T10] netlink_unicast+0x449/0x710 [ 2892.785280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.785280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.785280][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.785280][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.785280][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.785280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.785280][ T10] [ 2892.787478][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2892.787478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2892.787478][ T10] ipv6_find_idev+0x102/0x170 [ 2892.787478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.787478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.787478][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.787478][ T10] netlink_unicast+0x449/0x710 [ 2892.787478][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.787478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.787478][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.787478][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.787478][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.787478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.787478][ T10] [ 2892.789140][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2892.789140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2892.789140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2892.789140][ T10] ipv6_find_idev+0x102/0x170 [ 2892.789140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.789140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.789140][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.789140][ T10] netlink_unicast+0x449/0x710 [ 2892.789140][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.789140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.789140][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.789140][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.789140][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.789140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.789140][ T10] [ 2902.864236][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2902.864652][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2902.864652][ T10] netdev_get_by_index+0x5e/0x80 [ 2902.864652][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2902.864652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2902.864652][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2902.864652][ T10] ipv6_add_addr+0x411/0x2000 [ 2902.864652][ T10] inet6_addr_add+0x30e/0xa40 [ 2902.864652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.864652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.864652][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.864652][ T10] netlink_unicast+0x449/0x710 [ 2902.864652][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.864652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.864652][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.864652][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.864652][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.864652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.864652][ T10] [ 2902.867009][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2902.867009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2902.867009][ T10] ipv6_find_idev+0x102/0x170 [ 2902.867009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.867009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.867009][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.867009][ T10] netlink_unicast+0x449/0x710 [ 2902.867009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.867009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.867009][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.867009][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.867009][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.867009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.867009][ T10] [ 2902.868853][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2902.868853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2902.868853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2902.868853][ T10] ipv6_find_idev+0x102/0x170 [ 2902.868853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.868853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.868853][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.868853][ T10] netlink_unicast+0x449/0x710 [ 2902.868853][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.868853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.868853][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.868853][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.868853][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.868853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.868853][ T10] [ 2902.870843][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2902.871162][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2902.871162][ T10] netdev_get_by_index+0x5e/0x80 [ 2902.871162][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2902.871162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2902.871162][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2902.871162][ T10] ipv6_add_addr+0x411/0x2000 [ 2902.871162][ T10] inet6_addr_add+0x30e/0xa40 [ 2902.871162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.871162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.871162][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.871162][ T10] netlink_unicast+0x449/0x710 [ 2902.871162][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.871162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.871162][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.871162][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.871162][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.871162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.871162][ T10] [ 2902.873487][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2902.873487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2902.873487][ T10] ipv6_find_idev+0x102/0x170 [ 2902.873487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.873487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.873487][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.873487][ T10] netlink_unicast+0x449/0x710 [ 2902.873487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.873487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.873487][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.873487][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.873487][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.873487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.873487][ T10] [ 2902.875290][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2902.875290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2902.875290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2902.875290][ T10] ipv6_find_idev+0x102/0x170 [ 2902.875290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.875290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.875290][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.875290][ T10] netlink_unicast+0x449/0x710 [ 2902.875290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.875290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.875290][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.875290][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.875290][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.875290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.875290][ T10] [ 2902.877229][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2902.877532][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2902.877532][ T10] netdev_get_by_index+0x5e/0x80 [ 2902.877532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2902.877532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2902.877532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2902.877532][ T10] ipv6_add_addr+0x411/0x2000 [ 2902.877532][ T10] inet6_addr_add+0x30e/0xa40 [ 2902.877532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.877532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.877532][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.877532][ T10] netlink_unicast+0x449/0x710 [ 2902.877532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.877532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.877532][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.877532][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.877532][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.877532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.877532][ T10] [ 2902.879780][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2902.879780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2902.879780][ T10] ipv6_find_idev+0x102/0x170 [ 2902.879780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.879780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.879780][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.879780][ T10] netlink_unicast+0x449/0x710 [ 2902.879780][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.879780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.879780][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.879780][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.879780][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.879780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.879780][ T10] [ 2902.881500][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2902.881500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2902.881500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2902.881500][ T10] ipv6_find_idev+0x102/0x170 [ 2902.881500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.881500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.881500][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.881500][ T10] netlink_unicast+0x449/0x710 [ 2902.881500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.881500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.881500][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.881500][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.881500][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.881500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.881500][ T10] [ 2902.883935][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2902.884618][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2902.884618][ T10] netdev_get_by_index+0x5e/0x80 [ 2902.884618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2902.884618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2902.884618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2902.884618][ T10] ipv6_add_addr+0x411/0x2000 [ 2902.884618][ T10] inet6_addr_add+0x30e/0xa40 [ 2902.884618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.884618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.884618][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.884618][ T10] netlink_unicast+0x449/0x710 [ 2902.884618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.884618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.884618][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.884618][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.884618][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.884618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.884618][ T10] [ 2902.886915][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2902.886915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2902.886915][ T10] ipv6_find_idev+0x102/0x170 [ 2902.886915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.886915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.886915][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.886915][ T10] netlink_unicast+0x449/0x710 [ 2902.886915][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.886915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.886915][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.886915][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.886915][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.886915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.886915][ T10] [ 2902.888715][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2902.888715][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2902.888715][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2902.888715][ T10] ipv6_find_idev+0x102/0x170 [ 2902.888715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.888715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.888715][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.888715][ T10] netlink_unicast+0x449/0x710 [ 2902.888715][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.888715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.888715][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.888715][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.888715][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.888715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.888715][ T10] [ 2902.890653][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2902.890947][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2902.890947][ T10] netdev_get_by_index+0x5e/0x80 [ 2902.890947][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2902.890947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2902.890947][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2902.890947][ T10] ipv6_add_addr+0x411/0x2000 [ 2902.890947][ T10] inet6_addr_add+0x30e/0xa40 [ 2902.890947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.890947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.890947][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.890947][ T10] netlink_unicast+0x449/0x710 [ 2902.890947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.890947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.890947][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.890947][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.890947][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.890947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.890947][ T10] [ 2902.893236][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2902.893236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2902.893236][ T10] ipv6_find_idev+0x102/0x170 [ 2902.893236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.893236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.893236][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.893236][ T10] netlink_unicast+0x449/0x710 [ 2902.893236][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.893236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.893236][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.893236][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.893236][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.893236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.893236][ T10] [ 2902.895085][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2902.895085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2902.895085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2902.895085][ T10] ipv6_find_idev+0x102/0x170 [ 2902.895085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.895085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.895085][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.895085][ T10] netlink_unicast+0x449/0x710 [ 2902.895085][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.895085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.895085][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.895085][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.895085][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.895085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.895085][ T10] [ 2902.897229][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2902.897532][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2902.897532][ T10] netdev_get_by_index+0x5e/0x80 [ 2902.897532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2902.897532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2902.897532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2902.897532][ T10] ipv6_add_addr+0x411/0x2000 [ 2902.897532][ T10] inet6_addr_add+0x30e/0xa40 [ 2902.897532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.897532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.897532][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.897532][ T10] netlink_unicast+0x449/0x710 [ 2902.897532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.897532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.897532][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.897532][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.897532][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.897532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.897532][ T10] [ 2902.900062][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2902.900062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2902.900062][ T10] ipv6_find_idev+0x102/0x170 [ 2902.900062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.900062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.900062][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.900062][ T10] netlink_unicast+0x449/0x710 [ 2902.900062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.900062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.900062][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.900062][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.900062][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.900062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.900062][ T10] [ 2902.901975][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2902.901975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2902.901975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2902.901975][ T10] ipv6_find_idev+0x102/0x170 [ 2902.901975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.901975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.901975][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.901975][ T10] netlink_unicast+0x449/0x710 [ 2902.901975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.901975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.901975][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.901975][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.901975][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.901975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.901975][ T10] [ 2902.904143][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2902.904449][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2902.904449][ T10] netdev_get_by_index+0x5e/0x80 [ 2902.904449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2902.904449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2902.904449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2902.904449][ T10] ipv6_add_addr+0x411/0x2000 [ 2902.904449][ T10] inet6_addr_add+0x30e/0xa40 [ 2902.904449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.904449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.904449][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.904449][ T10] netlink_unicast+0x449/0x710 [ 2902.904449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.904449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.904449][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.904449][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.904449][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.904449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.904449][ T10] [ 2902.906986][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2902.906986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2902.906986][ T10] ipv6_find_idev+0x102/0x170 [ 2902.906986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.906986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.906986][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.906986][ T10] netlink_unicast+0x449/0x710 [ 2902.906986][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.906986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.906986][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.906986][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.906986][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.906986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.906986][ T10] [ 2902.909086][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2902.909086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2902.909086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2902.909086][ T10] ipv6_find_idev+0x102/0x170 [ 2902.909086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.909086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.909086][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.909086][ T10] netlink_unicast+0x449/0x710 [ 2902.909086][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.909086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.909086][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.909086][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.909086][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.909086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.909086][ T10] [ 2902.911230][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2902.911529][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2902.911529][ T10] netdev_get_by_index+0x5e/0x80 [ 2902.911529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2902.911529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2902.911529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2902.911529][ T10] ipv6_add_addr+0x411/0x2000 [ 2902.911529][ T10] inet6_addr_add+0x30e/0xa40 [ 2902.911529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.911529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.911529][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.911529][ T10] netlink_unicast+0x449/0x710 [ 2902.911529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.911529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.911529][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.911529][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.911529][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.911529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.911529][ T10] [ 2902.913950][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2902.913950][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2902.913950][ T10] ipv6_find_idev+0x102/0x170 [ 2902.913950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.913950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.913950][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.913950][ T10] netlink_unicast+0x449/0x710 [ 2902.913950][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.913950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.913950][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.913950][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.913950][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.913950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.913950][ T10] [ 2902.915746][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2902.915746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2902.915746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2902.915746][ T10] ipv6_find_idev+0x102/0x170 [ 2902.915746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.915746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.915746][ T10] netlink_rcv_skb+0x130/0x360 [ 2902.915746][ T10] netlink_unicast+0x449/0x710 [ 2902.915746][ T10] netlink_sendmsg+0x723/0xbe0 [ 2902.915746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2902.915746][ T10] ___sys_sendmsg+0xee/0x170 [ 2902.915746][ T10] __sys_sendmsg+0xcd/0x170 [ 2902.915746][ T10] do_syscall_64+0xc6/0x1e0 [ 2902.915746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.915746][ T10] [ 2913.088215][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2913.088699][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2913.088699][ T10] netdev_get_by_index+0x5e/0x80 [ 2913.088699][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2913.088699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2913.088699][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2913.088699][ T10] ipv6_add_addr+0x411/0x2000 [ 2913.088699][ T10] inet6_addr_add+0x30e/0xa40 [ 2913.088699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2913.088699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.088699][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.088699][ T10] netlink_unicast+0x449/0x710 [ 2913.088699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.088699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.088699][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.088699][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.088699][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.088699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.088699][ T10] [ 2913.090991][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2913.090991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2913.090991][ T10] ipv6_find_idev+0x102/0x170 [ 2913.090991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.090991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.090991][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.090991][ T10] netlink_unicast+0x449/0x710 [ 2913.090991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.090991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.090991][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.090991][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.090991][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.090991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.090991][ T10] [ 2913.092766][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2913.092766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2913.092766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2913.092766][ T10] ipv6_find_idev+0x102/0x170 [ 2913.092766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.092766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.092766][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.092766][ T10] netlink_unicast+0x449/0x710 [ 2913.092766][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.092766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.092766][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.092766][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.092766][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.092766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.092766][ T10] [ 2913.094647][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2913.094952][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2913.094952][ T10] netdev_get_by_index+0x5e/0x80 [ 2913.094952][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2913.094952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2913.094952][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2913.094952][ T10] ipv6_add_addr+0x411/0x2000 [ 2913.094952][ T10] inet6_addr_add+0x30e/0xa40 [ 2913.094952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2913.094952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.094952][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.094952][ T10] netlink_unicast+0x449/0x710 [ 2913.094952][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.094952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.094952][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.094952][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.094952][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.094952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.094952][ T10] [ 2913.097165][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2913.097165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2913.097165][ T10] ipv6_find_idev+0x102/0x170 [ 2913.097165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.097165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.097165][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.097165][ T10] netlink_unicast+0x449/0x710 [ 2913.097165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.097165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.097165][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.097165][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.097165][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.097165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.097165][ T10] [ 2913.098882][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2913.098882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2913.098882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2913.098882][ T10] ipv6_find_idev+0x102/0x170 [ 2913.098882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.098882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.098882][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.098882][ T10] netlink_unicast+0x449/0x710 [ 2913.098882][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.098882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.098882][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.098882][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.098882][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.098882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.098882][ T10] [ 2913.100772][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2913.101065][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2913.101065][ T10] netdev_get_by_index+0x5e/0x80 [ 2913.101065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2913.101065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2913.101065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2913.101065][ T10] ipv6_add_addr+0x411/0x2000 [ 2913.101065][ T10] inet6_addr_add+0x30e/0xa40 [ 2913.101065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2913.101065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.101065][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.101065][ T10] netlink_unicast+0x449/0x710 [ 2913.101065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.101065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.101065][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.101065][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.101065][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.101065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.101065][ T10] [ 2913.103284][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2913.103284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2913.103284][ T10] ipv6_find_idev+0x102/0x170 [ 2913.103284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.103284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.103284][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.103284][ T10] netlink_unicast+0x449/0x710 [ 2913.103284][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.103284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.103284][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.103284][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.103284][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.103284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.103284][ T10] [ 2913.104979][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2913.104979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2913.104979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2913.104979][ T10] ipv6_find_idev+0x102/0x170 [ 2913.104979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.104979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.104979][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.104979][ T10] netlink_unicast+0x449/0x710 [ 2913.104979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.104979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.104979][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.104979][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.104979][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.104979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.104979][ T10] [ 2913.106907][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2913.107256][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2913.107256][ T10] netdev_get_by_index+0x5e/0x80 [ 2913.107256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2913.107256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2913.107256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2913.107256][ T10] ipv6_add_addr+0x411/0x2000 [ 2913.107256][ T10] inet6_addr_add+0x30e/0xa40 [ 2913.107256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2913.107256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.107256][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.107256][ T10] netlink_unicast+0x449/0x710 [ 2913.107256][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.107256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.107256][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.107256][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.107256][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.107256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.107256][ T10] [ 2913.109488][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2913.109488][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2913.109488][ T10] ipv6_find_idev+0x102/0x170 [ 2913.109488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.109488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.109488][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.109488][ T10] netlink_unicast+0x449/0x710 [ 2913.109488][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.109488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.109488][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.109488][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.109488][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.109488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.109488][ T10] [ 2913.111234][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2913.111234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2913.111234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2913.111234][ T10] ipv6_find_idev+0x102/0x170 [ 2913.111234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.111234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.111234][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.111234][ T10] netlink_unicast+0x449/0x710 [ 2913.111234][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.111234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.111234][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.111234][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.111234][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.111234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.111234][ T10] [ 2913.113167][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2913.113457][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2913.113457][ T10] netdev_get_by_index+0x5e/0x80 [ 2913.113457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2913.113457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2913.113457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2913.113457][ T10] ipv6_add_addr+0x411/0x2000 [ 2913.113457][ T10] inet6_addr_add+0x30e/0xa40 [ 2913.113457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2913.113457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.113457][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.113457][ T10] netlink_unicast+0x449/0x710 [ 2913.113457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.113457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.113457][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.113457][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.113457][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.113457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.113457][ T10] [ 2913.115666][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2913.115666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2913.115666][ T10] ipv6_find_idev+0x102/0x170 [ 2913.115666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.115666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.115666][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.115666][ T10] netlink_unicast+0x449/0x710 [ 2913.115666][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.115666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.115666][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.115666][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.115666][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.115666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.115666][ T10] [ 2913.117382][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2913.117382][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2913.117382][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2913.117382][ T10] ipv6_find_idev+0x102/0x170 [ 2913.117382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.117382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.117382][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.117382][ T10] netlink_unicast+0x449/0x710 [ 2913.117382][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.117382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.117382][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.117382][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.117382][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.117382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.117382][ T10] [ 2913.119486][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2913.119777][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2913.119777][ T10] netdev_get_by_index+0x5e/0x80 [ 2913.119777][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2913.119777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2913.119777][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2913.119777][ T10] ipv6_add_addr+0x411/0x2000 [ 2913.119777][ T10] inet6_addr_add+0x30e/0xa40 [ 2913.119777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2913.119777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.119777][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.119777][ T10] netlink_unicast+0x449/0x710 [ 2913.119777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.119777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.119777][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.119777][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.119777][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.119777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.119777][ T10] [ 2913.122315][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2913.122315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2913.122315][ T10] ipv6_find_idev+0x102/0x170 [ 2913.122315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.122315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.122315][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.122315][ T10] netlink_unicast+0x449/0x710 [ 2913.122315][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.122315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.122315][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.122315][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.122315][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.122315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.122315][ T10] [ 2913.124187][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2913.124187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2913.124187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2913.124187][ T10] ipv6_find_idev+0x102/0x170 [ 2913.124187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.124187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.124187][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.124187][ T10] netlink_unicast+0x449/0x710 [ 2913.124187][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.124187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.124187][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.124187][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.124187][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.124187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.124187][ T10] [ 2913.126279][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2913.126567][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2913.126567][ T10] netdev_get_by_index+0x5e/0x80 [ 2913.126567][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2913.126567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2913.126567][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2913.126567][ T10] ipv6_add_addr+0x411/0x2000 [ 2913.126567][ T10] inet6_addr_add+0x30e/0xa40 [ 2913.126567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2913.126567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.126567][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.126567][ T10] netlink_unicast+0x449/0x710 [ 2913.126567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.126567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.126567][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.126567][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.126567][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.126567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.126567][ T10] [ 2913.129010][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2913.129010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2913.129010][ T10] ipv6_find_idev+0x102/0x170 [ 2913.129010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.129010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.129010][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.129010][ T10] netlink_unicast+0x449/0x710 [ 2913.129010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.129010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.129010][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.129010][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.129010][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.129010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.129010][ T10] [ 2913.130956][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2913.130956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2913.130956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2913.130956][ T10] ipv6_find_idev+0x102/0x170 [ 2913.130956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.130956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.130956][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.130956][ T10] netlink_unicast+0x449/0x710 [ 2913.130956][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.130956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.130956][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.130956][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.130956][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.130956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.130956][ T10] [ 2913.133044][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2913.133396][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2913.133396][ T10] netdev_get_by_index+0x5e/0x80 [ 2913.133396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2913.133396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2913.133396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2913.133396][ T10] ipv6_add_addr+0x411/0x2000 [ 2913.133396][ T10] inet6_addr_add+0x30e/0xa40 [ 2913.133396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2913.133396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.133396][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.133396][ T10] netlink_unicast+0x449/0x710 [ 2913.133396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.133396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.133396][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.133396][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.133396][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.133396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.133396][ T10] [ 2913.135784][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2913.135784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2913.135784][ T10] ipv6_find_idev+0x102/0x170 [ 2913.135784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.135784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.135784][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.135784][ T10] netlink_unicast+0x449/0x710 [ 2913.135784][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.135784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.135784][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.135784][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.135784][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.135784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.135784][ T10] [ 2913.137688][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2913.137688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2913.137688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2913.137688][ T10] ipv6_find_idev+0x102/0x170 [ 2913.137688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2913.137688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2913.137688][ T10] netlink_rcv_skb+0x130/0x360 [ 2913.137688][ T10] netlink_unicast+0x449/0x710 [ 2913.137688][ T10] netlink_sendmsg+0x723/0xbe0 [ 2913.137688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2913.137688][ T10] ___sys_sendmsg+0xee/0x170 [ 2913.137688][ T10] __sys_sendmsg+0xcd/0x170 [ 2913.137688][ T10] do_syscall_64+0xc6/0x1e0 [ 2913.137688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2913.137688][ T10] [ 2923.208233][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2923.208610][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2923.208610][ T10] netdev_get_by_index+0x5e/0x80 [ 2923.208610][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2923.208610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2923.208610][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2923.208610][ T10] ipv6_add_addr+0x411/0x2000 [ 2923.208610][ T10] inet6_addr_add+0x30e/0xa40 [ 2923.208610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2923.208610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.208610][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.208610][ T10] netlink_unicast+0x449/0x710 [ 2923.208610][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.208610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.208610][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.208610][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.208610][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.208610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.208610][ T10] [ 2923.210919][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2923.210919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2923.210919][ T10] ipv6_find_idev+0x102/0x170 [ 2923.210919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.210919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.210919][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.210919][ T10] netlink_unicast+0x449/0x710 [ 2923.210919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.210919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.210919][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.210919][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.210919][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.210919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.210919][ T10] [ 2923.212670][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2923.212670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2923.212670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2923.212670][ T10] ipv6_find_idev+0x102/0x170 [ 2923.212670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.212670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.212670][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.212670][ T10] netlink_unicast+0x449/0x710 [ 2923.212670][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.212670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.212670][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.212670][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.212670][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.212670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.212670][ T10] [ 2923.214602][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2923.214906][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2923.214906][ T10] netdev_get_by_index+0x5e/0x80 [ 2923.214906][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2923.214906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2923.214906][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2923.214906][ T10] ipv6_add_addr+0x411/0x2000 [ 2923.214906][ T10] inet6_addr_add+0x30e/0xa40 [ 2923.214906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2923.214906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.214906][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.214906][ T10] netlink_unicast+0x449/0x710 [ 2923.214906][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.214906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.214906][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.214906][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.214906][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.214906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.214906][ T10] [ 2923.217193][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2923.217193][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2923.217193][ T10] ipv6_find_idev+0x102/0x170 [ 2923.217193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.217193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.217193][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.217193][ T10] netlink_unicast+0x449/0x710 [ 2923.217193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.217193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.217193][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.217193][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.217193][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.217193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.217193][ T10] [ 2923.218934][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2923.218934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2923.218934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2923.218934][ T10] ipv6_find_idev+0x102/0x170 [ 2923.218934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.218934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.218934][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.218934][ T10] netlink_unicast+0x449/0x710 [ 2923.218934][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.218934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.218934][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.218934][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.218934][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.218934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.218934][ T10] [ 2923.220864][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2923.221200][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2923.221200][ T10] netdev_get_by_index+0x5e/0x80 [ 2923.221200][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2923.221200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2923.221200][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2923.221200][ T10] ipv6_add_addr+0x411/0x2000 [ 2923.221200][ T10] inet6_addr_add+0x30e/0xa40 [ 2923.221200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2923.221200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.221200][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.221200][ T10] netlink_unicast+0x449/0x710 [ 2923.221200][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.221200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.221200][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.221200][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.221200][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.221200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.221200][ T10] [ 2923.223505][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2923.223505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2923.223505][ T10] ipv6_find_idev+0x102/0x170 [ 2923.223505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.223505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.223505][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.223505][ T10] netlink_unicast+0x449/0x710 [ 2923.223505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.223505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.223505][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.223505][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.223505][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.223505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.223505][ T10] [ 2923.225269][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2923.225269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2923.225269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2923.225269][ T10] ipv6_find_idev+0x102/0x170 [ 2923.225269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.225269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.225269][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.225269][ T10] netlink_unicast+0x449/0x710 [ 2923.225269][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.225269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.225269][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.225269][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.225269][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.225269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.225269][ T10] [ 2923.227180][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2923.227471][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2923.227471][ T10] netdev_get_by_index+0x5e/0x80 [ 2923.227471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2923.227471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2923.227471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2923.227471][ T10] ipv6_add_addr+0x411/0x2000 [ 2923.227471][ T10] inet6_addr_add+0x30e/0xa40 [ 2923.227471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2923.227471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.227471][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.227471][ T10] netlink_unicast+0x449/0x710 [ 2923.227471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.227471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.227471][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.227471][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.227471][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.227471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.227471][ T10] [ 2923.229830][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2923.229830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2923.229830][ T10] ipv6_find_idev+0x102/0x170 [ 2923.229830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.229830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.229830][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.229830][ T10] netlink_unicast+0x449/0x710 [ 2923.229830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.229830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.229830][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.229830][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.229830][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.229830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.229830][ T10] [ 2923.231562][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2923.231562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2923.231562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2923.231562][ T10] ipv6_find_idev+0x102/0x170 [ 2923.231562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.231562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.231562][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.231562][ T10] netlink_unicast+0x449/0x710 [ 2923.231562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.231562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.231562][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.231562][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.231562][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.231562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.231562][ T10] [ 2923.233844][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2923.234146][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2923.234146][ T10] netdev_get_by_index+0x5e/0x80 [ 2923.234146][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2923.234146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2923.234146][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2923.234146][ T10] ipv6_add_addr+0x411/0x2000 [ 2923.234146][ T10] inet6_addr_add+0x30e/0xa40 [ 2923.234146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2923.234146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.234146][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.234146][ T10] netlink_unicast+0x449/0x710 [ 2923.234146][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.234146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.234146][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.234146][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.234146][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.234146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.234146][ T10] [ 2923.236434][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2923.236434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2923.236434][ T10] ipv6_find_idev+0x102/0x170 [ 2923.236434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.236434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.236434][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.236434][ T10] netlink_unicast+0x449/0x710 [ 2923.236434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.236434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.236434][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.236434][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.236434][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.236434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.236434][ T10] [ 2923.238259][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2923.238259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2923.238259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2923.238259][ T10] ipv6_find_idev+0x102/0x170 [ 2923.238259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.238259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.238259][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.238259][ T10] netlink_unicast+0x449/0x710 [ 2923.238259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.238259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.238259][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.238259][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.238259][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.238259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.238259][ T10] [ 2923.240446][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2923.240754][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2923.240754][ T10] netdev_get_by_index+0x5e/0x80 [ 2923.240754][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2923.240754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2923.240754][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2923.240754][ T10] ipv6_add_addr+0x411/0x2000 [ 2923.240754][ T10] inet6_addr_add+0x30e/0xa40 [ 2923.240754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2923.240754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.240754][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.240754][ T10] netlink_unicast+0x449/0x710 [ 2923.240754][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.240754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.240754][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.240754][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.240754][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.240754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.240754][ T10] [ 2923.243181][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2923.243181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2923.243181][ T10] ipv6_find_idev+0x102/0x170 [ 2923.243181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.243181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.243181][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.243181][ T10] netlink_unicast+0x449/0x710 [ 2923.243181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.243181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.243181][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.243181][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.243181][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.243181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.243181][ T10] [ 2923.245169][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2923.245169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2923.245169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2923.245169][ T10] ipv6_find_idev+0x102/0x170 [ 2923.245169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.245169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.245169][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.245169][ T10] netlink_unicast+0x449/0x710 [ 2923.245169][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.245169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.245169][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.245169][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.245169][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.245169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.245169][ T10] [ 2923.247410][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2923.247704][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2923.247704][ T10] netdev_get_by_index+0x5e/0x80 [ 2923.247704][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2923.247704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2923.247704][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2923.247704][ T10] ipv6_add_addr+0x411/0x2000 [ 2923.247704][ T10] inet6_addr_add+0x30e/0xa40 [ 2923.247704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2923.247704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.247704][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.247704][ T10] netlink_unicast+0x449/0x710 [ 2923.247704][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.247704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.247704][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.247704][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.247704][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.247704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.247704][ T10] [ 2923.250245][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2923.250245][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2923.250245][ T10] ipv6_find_idev+0x102/0x170 [ 2923.250245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.250245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.250245][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.250245][ T10] netlink_unicast+0x449/0x710 [ 2923.250245][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.250245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.250245][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.250245][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.250245][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.250245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.250245][ T10] [ 2923.252091][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2923.252091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2923.252091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2923.252091][ T10] ipv6_find_idev+0x102/0x170 [ 2923.252091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.252091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.252091][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.252091][ T10] netlink_unicast+0x449/0x710 [ 2923.252091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.252091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.252091][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.252091][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.252091][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.252091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.252091][ T10] [ 2923.254332][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2923.254619][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2923.254619][ T10] netdev_get_by_index+0x5e/0x80 [ 2923.254619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2923.254619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2923.254619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2923.254619][ T10] ipv6_add_addr+0x411/0x2000 [ 2923.254619][ T10] inet6_addr_add+0x30e/0xa40 [ 2923.254619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2923.254619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.254619][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.254619][ T10] netlink_unicast+0x449/0x710 [ 2923.254619][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.254619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.254619][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.254619][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.254619][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.254619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.254619][ T10] [ 2923.257139][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2923.257139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2923.257139][ T10] ipv6_find_idev+0x102/0x170 [ 2923.257139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.257139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.257139][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.257139][ T10] netlink_unicast+0x449/0x710 [ 2923.257139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.257139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.257139][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.257139][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.257139][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.257139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.257139][ T10] [ 2923.259061][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2923.259061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2923.259061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2923.259061][ T10] ipv6_find_idev+0x102/0x170 [ 2923.259061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2923.259061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2923.259061][ T10] netlink_rcv_skb+0x130/0x360 [ 2923.259061][ T10] netlink_unicast+0x449/0x710 [ 2923.259061][ T10] netlink_sendmsg+0x723/0xbe0 [ 2923.259061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2923.259061][ T10] ___sys_sendmsg+0xee/0x170 [ 2923.259061][ T10] __sys_sendmsg+0xcd/0x170 [ 2923.259061][ T10] do_syscall_64+0xc6/0x1e0 [ 2923.259061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2923.259061][ T10] [ 2933.392355][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2933.392989][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2933.392989][ T10] netdev_get_by_index+0x5e/0x80 [ 2933.392989][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2933.392989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2933.392989][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2933.392989][ T10] ipv6_add_addr+0x411/0x2000 [ 2933.392989][ T10] inet6_addr_add+0x30e/0xa40 [ 2933.392989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.392989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.392989][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.392989][ T10] netlink_unicast+0x449/0x710 [ 2933.392989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.392989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.392989][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.392989][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.392989][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.392989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.392989][ T10] [ 2933.394916][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2933.394916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2933.394916][ T10] ipv6_find_idev+0x102/0x170 [ 2933.394916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.394916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.394916][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.394916][ T10] netlink_unicast+0x449/0x710 [ 2933.394916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.394916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.394916][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.394916][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.394916][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.394916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.394916][ T10] [ 2933.396525][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2933.396525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2933.396525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2933.396525][ T10] ipv6_find_idev+0x102/0x170 [ 2933.396525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.396525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.396525][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.396525][ T10] netlink_unicast+0x449/0x710 [ 2933.396525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.396525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.396525][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.396525][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.396525][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.396525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.396525][ T10] [ 2933.398225][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2933.398492][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2933.398492][ T10] netdev_get_by_index+0x5e/0x80 [ 2933.398492][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2933.398492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2933.398492][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2933.398492][ T10] ipv6_add_addr+0x411/0x2000 [ 2933.398492][ T10] inet6_addr_add+0x30e/0xa40 [ 2933.398492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.398492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.398492][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.398492][ T10] netlink_unicast+0x449/0x710 [ 2933.398492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.398492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.398492][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.398492][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.398492][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.398492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.398492][ T10] [ 2933.400487][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2933.400487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2933.400487][ T10] ipv6_find_idev+0x102/0x170 [ 2933.400487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.400487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.400487][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.400487][ T10] netlink_unicast+0x449/0x710 [ 2933.400487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.400487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.400487][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.400487][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.400487][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.400487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.400487][ T10] [ 2933.402083][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2933.402083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2933.402083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2933.402083][ T10] ipv6_find_idev+0x102/0x170 [ 2933.402083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.402083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.402083][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.402083][ T10] netlink_unicast+0x449/0x710 [ 2933.402083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.402083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.402083][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.402083][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.402083][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.402083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.402083][ T10] [ 2933.403798][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2933.404079][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2933.404079][ T10] netdev_get_by_index+0x5e/0x80 [ 2933.404079][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2933.404079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2933.404079][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2933.404079][ T10] ipv6_add_addr+0x411/0x2000 [ 2933.404079][ T10] inet6_addr_add+0x30e/0xa40 [ 2933.404079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.404079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.404079][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.404079][ T10] netlink_unicast+0x449/0x710 [ 2933.404079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.404079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.404079][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.404079][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.404079][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.404079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.404079][ T10] [ 2933.406146][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2933.406146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2933.406146][ T10] ipv6_find_idev+0x102/0x170 [ 2933.406146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.406146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.406146][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.406146][ T10] netlink_unicast+0x449/0x710 [ 2933.406146][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.406146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.406146][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.406146][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.406146][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.406146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.406146][ T10] [ 2933.407707][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2933.407707][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2933.407707][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2933.407707][ T10] ipv6_find_idev+0x102/0x170 [ 2933.407707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.407707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.407707][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.407707][ T10] netlink_unicast+0x449/0x710 [ 2933.407707][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.407707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.407707][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.407707][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.407707][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.407707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.407707][ T10] [ 2933.409438][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2933.409711][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2933.409711][ T10] netdev_get_by_index+0x5e/0x80 [ 2933.409711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2933.409711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2933.409711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2933.409711][ T10] ipv6_add_addr+0x411/0x2000 [ 2933.409711][ T10] inet6_addr_add+0x30e/0xa40 [ 2933.409711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.409711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.409711][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.409711][ T10] netlink_unicast+0x449/0x710 [ 2933.409711][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.409711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.409711][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.409711][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.409711][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.409711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.409711][ T10] [ 2933.411770][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2933.411770][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2933.411770][ T10] ipv6_find_idev+0x102/0x170 [ 2933.411770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.411770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.411770][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.411770][ T10] netlink_unicast+0x449/0x710 [ 2933.411770][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.411770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.411770][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.411770][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.411770][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.411770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.411770][ T10] [ 2933.413341][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2933.413341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2933.413341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2933.413341][ T10] ipv6_find_idev+0x102/0x170 [ 2933.413341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.413341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.413341][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.413341][ T10] netlink_unicast+0x449/0x710 [ 2933.413341][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.413341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.413341][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.413341][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.413341][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.413341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.413341][ T10] [ 2933.415063][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2933.415398][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2933.415398][ T10] netdev_get_by_index+0x5e/0x80 [ 2933.415398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2933.415398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2933.415398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2933.415398][ T10] ipv6_add_addr+0x411/0x2000 [ 2933.415398][ T10] inet6_addr_add+0x30e/0xa40 [ 2933.415398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.415398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.415398][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.415398][ T10] netlink_unicast+0x449/0x710 [ 2933.415398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.415398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.415398][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.415398][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.415398][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.415398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.415398][ T10] [ 2933.417402][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2933.417402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2933.417402][ T10] ipv6_find_idev+0x102/0x170 [ 2933.417402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.417402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.417402][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.417402][ T10] netlink_unicast+0x449/0x710 [ 2933.417402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.417402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.417402][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.417402][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.417402][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.417402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.417402][ T10] [ 2933.418917][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2933.418917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2933.418917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2933.418917][ T10] ipv6_find_idev+0x102/0x170 [ 2933.418917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.418917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.418917][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.418917][ T10] netlink_unicast+0x449/0x710 [ 2933.418917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.418917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.418917][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.418917][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.418917][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.418917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.418917][ T10] [ 2933.420837][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2933.421173][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2933.421173][ T10] netdev_get_by_index+0x5e/0x80 [ 2933.421173][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2933.421173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2933.421173][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2933.421173][ T10] ipv6_add_addr+0x411/0x2000 [ 2933.421173][ T10] inet6_addr_add+0x30e/0xa40 [ 2933.421173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.421173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.421173][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.421173][ T10] netlink_unicast+0x449/0x710 [ 2933.421173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.421173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.421173][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.421173][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.421173][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.421173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.421173][ T10] [ 2933.423206][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2933.423206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2933.423206][ T10] ipv6_find_idev+0x102/0x170 [ 2933.423206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.423206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.423206][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.423206][ T10] netlink_unicast+0x449/0x710 [ 2933.423206][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.423206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.423206][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.423206][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.423206][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.423206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.423206][ T10] [ 2933.424876][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2933.424876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2933.424876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2933.424876][ T10] ipv6_find_idev+0x102/0x170 [ 2933.424876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.424876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.424876][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.424876][ T10] netlink_unicast+0x449/0x710 [ 2933.424876][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.424876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.424876][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.424876][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.424876][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.424876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.424876][ T10] [ 2933.426701][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2933.427026][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2933.427026][ T10] netdev_get_by_index+0x5e/0x80 [ 2933.427026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2933.427026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2933.427026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2933.427026][ T10] ipv6_add_addr+0x411/0x2000 [ 2933.427026][ T10] inet6_addr_add+0x30e/0xa40 [ 2933.427026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.427026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.427026][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.427026][ T10] netlink_unicast+0x449/0x710 [ 2933.427026][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.427026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.427026][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.427026][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.427026][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.427026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.427026][ T10] [ 2933.429190][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2933.429190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2933.429190][ T10] ipv6_find_idev+0x102/0x170 [ 2933.429190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.429190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.429190][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.429190][ T10] netlink_unicast+0x449/0x710 [ 2933.429190][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.429190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.429190][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.429190][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.429190][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.429190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.429190][ T10] [ 2933.430824][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2933.430824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2933.430824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2933.430824][ T10] ipv6_find_idev+0x102/0x170 [ 2933.430824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.430824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.430824][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.430824][ T10] netlink_unicast+0x449/0x710 [ 2933.430824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.430824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.430824][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.430824][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.430824][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.430824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.430824][ T10] [ 2933.432731][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2933.433047][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2933.433047][ T10] netdev_get_by_index+0x5e/0x80 [ 2933.433047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2933.433047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2933.433047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2933.433047][ T10] ipv6_add_addr+0x411/0x2000 [ 2933.433047][ T10] inet6_addr_add+0x30e/0xa40 [ 2933.433047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2933.433047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.433047][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.433047][ T10] netlink_unicast+0x449/0x710 [ 2933.433047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.433047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.433047][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.433047][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.433047][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.433047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.433047][ T10] [ 2933.435116][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2933.435116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2933.435116][ T10] ipv6_find_idev+0x102/0x170 [ 2933.435116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.435116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.435116][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.435116][ T10] netlink_unicast+0x449/0x710 [ 2933.435116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.435116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.435116][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.435116][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.435116][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.435116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.435116][ T10] [ 2933.436773][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2933.436773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2933.436773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2933.436773][ T10] ipv6_find_idev+0x102/0x170 [ 2933.436773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2933.436773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2933.436773][ T10] netlink_rcv_skb+0x130/0x360 [ 2933.436773][ T10] netlink_unicast+0x449/0x710 [ 2933.436773][ T10] netlink_sendmsg+0x723/0xbe0 [ 2933.436773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2933.436773][ T10] ___sys_sendmsg+0xee/0x170 [ 2933.436773][ T10] __sys_sendmsg+0xcd/0x170 [ 2933.436773][ T10] do_syscall_64+0xc6/0x1e0 [ 2933.436773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2933.436773][ T10] [ 2943.560265][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2943.560656][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2943.560656][ T10] netdev_get_by_index+0x5e/0x80 [ 2943.560656][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2943.560656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2943.560656][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2943.560656][ T10] ipv6_add_addr+0x411/0x2000 [ 2943.560656][ T10] inet6_addr_add+0x30e/0xa40 [ 2943.560656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.560656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.560656][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.560656][ T10] netlink_unicast+0x449/0x710 [ 2943.560656][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.560656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.560656][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.560656][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.560656][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.560656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.560656][ T10] [ 2943.562721][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2943.562721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2943.562721][ T10] ipv6_find_idev+0x102/0x170 [ 2943.562721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.562721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.562721][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.562721][ T10] netlink_unicast+0x449/0x710 [ 2943.562721][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.562721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.562721][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.562721][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.562721][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.562721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.562721][ T10] [ 2943.564281][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2943.564281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2943.564281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2943.564281][ T10] ipv6_find_idev+0x102/0x170 [ 2943.564281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.564281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.564281][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.564281][ T10] netlink_unicast+0x449/0x710 [ 2943.564281][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.564281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.564281][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.564281][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.564281][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.564281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.564281][ T10] [ 2943.566374][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2943.566720][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2943.566720][ T10] netdev_get_by_index+0x5e/0x80 [ 2943.566720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2943.566720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2943.566720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2943.566720][ T10] ipv6_add_addr+0x411/0x2000 [ 2943.566720][ T10] inet6_addr_add+0x30e/0xa40 [ 2943.566720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.566720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.566720][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.566720][ T10] netlink_unicast+0x449/0x710 [ 2943.566720][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.566720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.566720][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.566720][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.566720][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.566720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.566720][ T10] [ 2943.568874][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2943.568874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2943.568874][ T10] ipv6_find_idev+0x102/0x170 [ 2943.568874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.568874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.568874][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.568874][ T10] netlink_unicast+0x449/0x710 [ 2943.568874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.568874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.568874][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.568874][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.568874][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.568874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.568874][ T10] [ 2943.570460][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2943.570460][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2943.570460][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2943.570460][ T10] ipv6_find_idev+0x102/0x170 [ 2943.570460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.570460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.570460][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.570460][ T10] netlink_unicast+0x449/0x710 [ 2943.570460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.570460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.570460][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.570460][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.570460][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.570460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.570460][ T10] [ 2943.572204][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2943.572476][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2943.572476][ T10] netdev_get_by_index+0x5e/0x80 [ 2943.572476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2943.572476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2943.572476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2943.572476][ T10] ipv6_add_addr+0x411/0x2000 [ 2943.572476][ T10] inet6_addr_add+0x30e/0xa40 [ 2943.572476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.572476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.572476][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.572476][ T10] netlink_unicast+0x449/0x710 [ 2943.572476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.572476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.572476][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.572476][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.572476][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.572476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.572476][ T10] [ 2943.574602][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2943.574602][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2943.574602][ T10] ipv6_find_idev+0x102/0x170 [ 2943.574602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.574602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.574602][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.574602][ T10] netlink_unicast+0x449/0x710 [ 2943.574602][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.574602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.574602][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.574602][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.574602][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.574602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.574602][ T10] [ 2943.576262][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2943.576262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2943.576262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2943.576262][ T10] ipv6_find_idev+0x102/0x170 [ 2943.576262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.576262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.576262][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.576262][ T10] netlink_unicast+0x449/0x710 [ 2943.576262][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.576262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.576262][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.576262][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.576262][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.576262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.576262][ T10] [ 2943.578196][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2943.578458][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2943.578458][ T10] netdev_get_by_index+0x5e/0x80 [ 2943.578458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2943.578458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2943.578458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2943.578458][ T10] ipv6_add_addr+0x411/0x2000 [ 2943.578458][ T10] inet6_addr_add+0x30e/0xa40 [ 2943.578458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.578458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.578458][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.578458][ T10] netlink_unicast+0x449/0x710 [ 2943.578458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.578458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.578458][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.578458][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.578458][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.578458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.578458][ T10] [ 2943.580556][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2943.580556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2943.580556][ T10] ipv6_find_idev+0x102/0x170 [ 2943.580556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.580556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.580556][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.580556][ T10] netlink_unicast+0x449/0x710 [ 2943.580556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.580556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.580556][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.580556][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.580556][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.580556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.580556][ T10] [ 2943.582091][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2943.582091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2943.582091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2943.582091][ T10] ipv6_find_idev+0x102/0x170 [ 2943.582091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.582091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.582091][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.582091][ T10] netlink_unicast+0x449/0x710 [ 2943.582091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.582091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.582091][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.582091][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.582091][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.582091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.582091][ T10] [ 2943.584193][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2943.584465][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2943.584465][ T10] netdev_get_by_index+0x5e/0x80 [ 2943.584465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2943.584465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2943.584465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2943.584465][ T10] ipv6_add_addr+0x411/0x2000 [ 2943.584465][ T10] inet6_addr_add+0x30e/0xa40 [ 2943.584465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.584465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.584465][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.584465][ T10] netlink_unicast+0x449/0x710 [ 2943.584465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.584465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.584465][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.584465][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.584465][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.584465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.584465][ T10] [ 2943.586453][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2943.586453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2943.586453][ T10] ipv6_find_idev+0x102/0x170 [ 2943.586453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.586453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.586453][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.586453][ T10] netlink_unicast+0x449/0x710 [ 2943.586453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.586453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.586453][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.586453][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.586453][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.586453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.586453][ T10] [ 2943.588123][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2943.588123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2943.588123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2943.588123][ T10] ipv6_find_idev+0x102/0x170 [ 2943.588123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.588123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.588123][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.588123][ T10] netlink_unicast+0x449/0x710 [ 2943.588123][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.588123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.588123][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.588123][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.588123][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.588123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.588123][ T10] [ 2943.590110][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2943.590370][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2943.590370][ T10] netdev_get_by_index+0x5e/0x80 [ 2943.590370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2943.590370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2943.590370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2943.590370][ T10] ipv6_add_addr+0x411/0x2000 [ 2943.590370][ T10] inet6_addr_add+0x30e/0xa40 [ 2943.590370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.590370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.590370][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.590370][ T10] netlink_unicast+0x449/0x710 [ 2943.590370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.590370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.590370][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.590370][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.590370][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.590370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.590370][ T10] [ 2943.592359][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2943.592359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2943.592359][ T10] ipv6_find_idev+0x102/0x170 [ 2943.592359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.592359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.592359][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.592359][ T10] netlink_unicast+0x449/0x710 [ 2943.592359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.592359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.592359][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.592359][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.592359][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.592359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.592359][ T10] [ 2943.593891][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2943.593891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2943.593891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2943.593891][ T10] ipv6_find_idev+0x102/0x170 [ 2943.593891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.593891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.593891][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.593891][ T10] netlink_unicast+0x449/0x710 [ 2943.593891][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.593891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.593891][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.593891][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.593891][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.593891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.593891][ T10] [ 2943.595592][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2943.595852][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2943.595852][ T10] netdev_get_by_index+0x5e/0x80 [ 2943.595852][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2943.595852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2943.595852][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2943.595852][ T10] ipv6_add_addr+0x411/0x2000 [ 2943.595852][ T10] inet6_addr_add+0x30e/0xa40 [ 2943.595852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.595852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.595852][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.595852][ T10] netlink_unicast+0x449/0x710 [ 2943.595852][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.595852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.595852][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.595852][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.595852][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.595852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.595852][ T10] [ 2943.597837][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2943.597837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2943.597837][ T10] ipv6_find_idev+0x102/0x170 [ 2943.597837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.597837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.597837][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.597837][ T10] netlink_unicast+0x449/0x710 [ 2943.597837][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.597837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.597837][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.597837][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.597837][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.597837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.597837][ T10] [ 2943.599506][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2943.599506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2943.599506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2943.599506][ T10] ipv6_find_idev+0x102/0x170 [ 2943.599506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.599506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.599506][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.599506][ T10] netlink_unicast+0x449/0x710 [ 2943.599506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.599506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.599506][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.599506][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.599506][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.599506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.599506][ T10] [ 2943.601331][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2943.601593][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2943.601593][ T10] netdev_get_by_index+0x5e/0x80 [ 2943.601593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2943.601593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2943.601593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2943.601593][ T10] ipv6_add_addr+0x411/0x2000 [ 2943.601593][ T10] inet6_addr_add+0x30e/0xa40 [ 2943.601593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2943.601593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.601593][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.601593][ T10] netlink_unicast+0x449/0x710 [ 2943.601593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.601593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.601593][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.601593][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.601593][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.601593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.601593][ T10] [ 2943.603647][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2943.603647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2943.603647][ T10] ipv6_find_idev+0x102/0x170 [ 2943.603647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.603647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.603647][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.603647][ T10] netlink_unicast+0x449/0x710 [ 2943.603647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.603647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.603647][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.603647][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.603647][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.603647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.603647][ T10] [ 2943.605245][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2943.605245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2943.605245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2943.605245][ T10] ipv6_find_idev+0x102/0x170 [ 2943.605245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2943.605245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2943.605245][ T10] netlink_rcv_skb+0x130/0x360 [ 2943.605245][ T10] netlink_unicast+0x449/0x710 [ 2943.605245][ T10] netlink_sendmsg+0x723/0xbe0 [ 2943.605245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2943.605245][ T10] ___sys_sendmsg+0xee/0x170 [ 2943.605245][ T10] __sys_sendmsg+0xcd/0x170 [ 2943.605245][ T10] do_syscall_64+0xc6/0x1e0 [ 2943.605245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2943.605245][ T10] [ 2953.704137][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2953.704520][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2953.704520][ T10] netdev_get_by_index+0x5e/0x80 [ 2953.704520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2953.704520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2953.704520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2953.704520][ T10] ipv6_add_addr+0x411/0x2000 [ 2953.704520][ T10] inet6_addr_add+0x30e/0xa40 [ 2953.704520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.704520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.704520][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.704520][ T10] netlink_unicast+0x449/0x710 [ 2953.704520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.704520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.704520][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.704520][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.704520][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.704520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.704520][ T10] [ 2953.706538][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2953.706538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2953.706538][ T10] ipv6_find_idev+0x102/0x170 [ 2953.706538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.706538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.706538][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.706538][ T10] netlink_unicast+0x449/0x710 [ 2953.706538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.706538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.706538][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.706538][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.706538][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.706538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.706538][ T10] [ 2953.708074][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2953.708074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2953.708074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2953.708074][ T10] ipv6_find_idev+0x102/0x170 [ 2953.708074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.708074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.708074][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.708074][ T10] netlink_unicast+0x449/0x710 [ 2953.708074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.708074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.708074][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.708074][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.708074][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.708074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.708074][ T10] [ 2953.709749][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2953.710031][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2953.710031][ T10] netdev_get_by_index+0x5e/0x80 [ 2953.710031][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2953.710031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2953.710031][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2953.710031][ T10] ipv6_add_addr+0x411/0x2000 [ 2953.710031][ T10] inet6_addr_add+0x30e/0xa40 [ 2953.710031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.710031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.710031][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.710031][ T10] netlink_unicast+0x449/0x710 [ 2953.710031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.710031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.710031][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.710031][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.710031][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.710031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.710031][ T10] [ 2953.712007][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2953.712007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2953.712007][ T10] ipv6_find_idev+0x102/0x170 [ 2953.712007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.712007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.712007][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.712007][ T10] netlink_unicast+0x449/0x710 [ 2953.712007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.712007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.712007][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.712007][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.712007][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.712007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.712007][ T10] [ 2953.713527][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2953.713527][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2953.713527][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2953.713527][ T10] ipv6_find_idev+0x102/0x170 [ 2953.713527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.713527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.713527][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.713527][ T10] netlink_unicast+0x449/0x710 [ 2953.713527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.713527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.713527][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.713527][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.713527][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.713527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.713527][ T10] [ 2953.715202][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2953.715476][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2953.715476][ T10] netdev_get_by_index+0x5e/0x80 [ 2953.715476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2953.715476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2953.715476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2953.715476][ T10] ipv6_add_addr+0x411/0x2000 [ 2953.715476][ T10] inet6_addr_add+0x30e/0xa40 [ 2953.715476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.715476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.715476][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.715476][ T10] netlink_unicast+0x449/0x710 [ 2953.715476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.715476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.715476][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.715476][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.715476][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.715476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.715476][ T10] [ 2953.717448][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2953.717448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2953.717448][ T10] ipv6_find_idev+0x102/0x170 [ 2953.717448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.717448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.717448][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.717448][ T10] netlink_unicast+0x449/0x710 [ 2953.717448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.717448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.717448][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.717448][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.717448][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.717448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.717448][ T10] [ 2953.718966][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2953.718966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2953.718966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2953.718966][ T10] ipv6_find_idev+0x102/0x170 [ 2953.718966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.718966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.718966][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.718966][ T10] netlink_unicast+0x449/0x710 [ 2953.718966][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.718966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.718966][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.718966][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.718966][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.718966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.718966][ T10] [ 2953.720687][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2953.720969][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2953.720969][ T10] netdev_get_by_index+0x5e/0x80 [ 2953.720969][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2953.720969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2953.720969][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2953.720969][ T10] ipv6_add_addr+0x411/0x2000 [ 2953.720969][ T10] inet6_addr_add+0x30e/0xa40 [ 2953.720969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.720969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.720969][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.720969][ T10] netlink_unicast+0x449/0x710 [ 2953.720969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.720969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.720969][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.720969][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.720969][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.720969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.720969][ T10] [ 2953.722954][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2953.722954][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2953.722954][ T10] ipv6_find_idev+0x102/0x170 [ 2953.722954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.722954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.722954][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.722954][ T10] netlink_unicast+0x449/0x710 [ 2953.722954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.722954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.722954][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.722954][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.722954][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.722954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.722954][ T10] [ 2953.724545][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2953.724545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2953.724545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2953.724545][ T10] ipv6_find_idev+0x102/0x170 [ 2953.724545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.724545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.724545][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.724545][ T10] netlink_unicast+0x449/0x710 [ 2953.724545][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.724545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.724545][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.724545][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.724545][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.724545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.724545][ T10] [ 2953.726491][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2953.726760][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2953.726760][ T10] netdev_get_by_index+0x5e/0x80 [ 2953.726760][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2953.726760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2953.726760][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2953.726760][ T10] ipv6_add_addr+0x411/0x2000 [ 2953.726760][ T10] inet6_addr_add+0x30e/0xa40 [ 2953.726760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.726760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.726760][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.726760][ T10] netlink_unicast+0x449/0x710 [ 2953.726760][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.726760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.726760][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.726760][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.726760][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.726760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.726760][ T10] [ 2953.728931][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2953.728931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2953.728931][ T10] ipv6_find_idev+0x102/0x170 [ 2953.728931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.728931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.728931][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.728931][ T10] netlink_unicast+0x449/0x710 [ 2953.728931][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.728931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.728931][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.728931][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.728931][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.728931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.728931][ T10] [ 2953.730577][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2953.730577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2953.730577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2953.730577][ T10] ipv6_find_idev+0x102/0x170 [ 2953.730577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.730577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.730577][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.730577][ T10] netlink_unicast+0x449/0x710 [ 2953.730577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.730577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.730577][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.730577][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.730577][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.730577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.730577][ T10] [ 2953.732868][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2953.733563][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2953.733563][ T10] netdev_get_by_index+0x5e/0x80 [ 2953.733563][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2953.733563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2953.733563][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2953.733563][ T10] ipv6_add_addr+0x411/0x2000 [ 2953.733563][ T10] inet6_addr_add+0x30e/0xa40 [ 2953.733563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.733563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.733563][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.733563][ T10] netlink_unicast+0x449/0x710 [ 2953.733563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.733563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.733563][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.733563][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.733563][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.733563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.733563][ T10] [ 2953.735542][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2953.735542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2953.735542][ T10] ipv6_find_idev+0x102/0x170 [ 2953.735542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.735542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.735542][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.735542][ T10] netlink_unicast+0x449/0x710 [ 2953.735542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.735542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.735542][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.735542][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.735542][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.735542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.735542][ T10] [ 2953.737060][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2953.737060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2953.737060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2953.737060][ T10] ipv6_find_idev+0x102/0x170 [ 2953.737060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.737060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.737060][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.737060][ T10] netlink_unicast+0x449/0x710 [ 2953.737060][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.737060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.737060][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.737060][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.737060][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.737060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.737060][ T10] [ 2953.738730][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2953.739003][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2953.739003][ T10] netdev_get_by_index+0x5e/0x80 [ 2953.739003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2953.739003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2953.739003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2953.739003][ T10] ipv6_add_addr+0x411/0x2000 [ 2953.739003][ T10] inet6_addr_add+0x30e/0xa40 [ 2953.739003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.739003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.739003][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.739003][ T10] netlink_unicast+0x449/0x710 [ 2953.739003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.739003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.739003][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.739003][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.739003][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.739003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.739003][ T10] [ 2953.741177][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2953.741177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2953.741177][ T10] ipv6_find_idev+0x102/0x170 [ 2953.741177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.741177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.741177][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.741177][ T10] netlink_unicast+0x449/0x710 [ 2953.741177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.741177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.741177][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.741177][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.741177][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.741177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.741177][ T10] [ 2953.742880][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2953.742880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2953.742880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2953.742880][ T10] ipv6_find_idev+0x102/0x170 [ 2953.742880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.742880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.742880][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.742880][ T10] netlink_unicast+0x449/0x710 [ 2953.742880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.742880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.742880][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.742880][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.742880][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.742880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.742880][ T10] [ 2953.744840][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2953.745106][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2953.745106][ T10] netdev_get_by_index+0x5e/0x80 [ 2953.745106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2953.745106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2953.745106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2953.745106][ T10] ipv6_add_addr+0x411/0x2000 [ 2953.745106][ T10] inet6_addr_add+0x30e/0xa40 [ 2953.745106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2953.745106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.745106][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.745106][ T10] netlink_unicast+0x449/0x710 [ 2953.745106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.745106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.745106][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.745106][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.745106][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.745106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.745106][ T10] [ 2953.747322][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2953.747322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2953.747322][ T10] ipv6_find_idev+0x102/0x170 [ 2953.747322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.747322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.747322][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.747322][ T10] netlink_unicast+0x449/0x710 [ 2953.747322][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.747322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.747322][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.747322][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.747322][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.747322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.747322][ T10] [ 2953.749034][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2953.749034][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2953.749034][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2953.749034][ T10] ipv6_find_idev+0x102/0x170 [ 2953.749034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2953.749034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2953.749034][ T10] netlink_rcv_skb+0x130/0x360 [ 2953.749034][ T10] netlink_unicast+0x449/0x710 [ 2953.749034][ T10] netlink_sendmsg+0x723/0xbe0 [ 2953.749034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2953.749034][ T10] ___sys_sendmsg+0xee/0x170 [ 2953.749034][ T10] __sys_sendmsg+0xcd/0x170 [ 2953.749034][ T10] do_syscall_64+0xc6/0x1e0 [ 2953.749034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2953.749034][ T10] [ 2963.896226][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2963.896567][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2963.896567][ T10] netdev_get_by_index+0x5e/0x80 [ 2963.896567][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2963.896567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2963.896567][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2963.896567][ T10] ipv6_add_addr+0x411/0x2000 [ 2963.896567][ T10] inet6_addr_add+0x30e/0xa40 [ 2963.896567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.896567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.896567][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.896567][ T10] netlink_unicast+0x449/0x710 [ 2963.896567][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.896567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.896567][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.896567][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.896567][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.896567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.896567][ T10] [ 2963.898629][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2963.898629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2963.898629][ T10] ipv6_find_idev+0x102/0x170 [ 2963.898629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.898629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.898629][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.898629][ T10] netlink_unicast+0x449/0x710 [ 2963.898629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.898629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.898629][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.898629][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.898629][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.898629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.898629][ T10] [ 2963.900212][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2963.900212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2963.900212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2963.900212][ T10] ipv6_find_idev+0x102/0x170 [ 2963.900212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.900212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.900212][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.900212][ T10] netlink_unicast+0x449/0x710 [ 2963.900212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.900212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.900212][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.900212][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.900212][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.900212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.900212][ T10] [ 2963.901930][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2963.902219][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2963.902219][ T10] netdev_get_by_index+0x5e/0x80 [ 2963.902219][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2963.902219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2963.902219][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2963.902219][ T10] ipv6_add_addr+0x411/0x2000 [ 2963.902219][ T10] inet6_addr_add+0x30e/0xa40 [ 2963.902219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.902219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.902219][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.902219][ T10] netlink_unicast+0x449/0x710 [ 2963.902219][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.902219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.902219][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.902219][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.902219][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.902219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.902219][ T10] [ 2963.904236][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2963.904236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2963.904236][ T10] ipv6_find_idev+0x102/0x170 [ 2963.904236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.904236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.904236][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.904236][ T10] netlink_unicast+0x449/0x710 [ 2963.904236][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.904236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.904236][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.904236][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.904236][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.904236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.904236][ T10] [ 2963.905786][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2963.905786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2963.905786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2963.905786][ T10] ipv6_find_idev+0x102/0x170 [ 2963.905786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.905786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.905786][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.905786][ T10] netlink_unicast+0x449/0x710 [ 2963.905786][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.905786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.905786][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.905786][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.905786][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.905786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.905786][ T10] [ 2963.907478][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2963.907748][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2963.907748][ T10] netdev_get_by_index+0x5e/0x80 [ 2963.907748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2963.907748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2963.907748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2963.907748][ T10] ipv6_add_addr+0x411/0x2000 [ 2963.907748][ T10] inet6_addr_add+0x30e/0xa40 [ 2963.907748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.907748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.907748][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.907748][ T10] netlink_unicast+0x449/0x710 [ 2963.907748][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.907748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.907748][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.907748][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.907748][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.907748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.907748][ T10] [ 2963.909769][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2963.909769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2963.909769][ T10] ipv6_find_idev+0x102/0x170 [ 2963.909769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.909769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.909769][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.909769][ T10] netlink_unicast+0x449/0x710 [ 2963.909769][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.909769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.909769][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.909769][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.909769][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.909769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.909769][ T10] [ 2963.911314][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2963.911314][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2963.911314][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2963.911314][ T10] ipv6_find_idev+0x102/0x170 [ 2963.911314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.911314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.911314][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.911314][ T10] netlink_unicast+0x449/0x710 [ 2963.911314][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.911314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.911314][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.911314][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.911314][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.911314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.911314][ T10] [ 2963.913258][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2963.913538][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2963.913538][ T10] netdev_get_by_index+0x5e/0x80 [ 2963.913538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2963.913538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2963.913538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2963.913538][ T10] ipv6_add_addr+0x411/0x2000 [ 2963.913538][ T10] inet6_addr_add+0x30e/0xa40 [ 2963.913538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.913538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.913538][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.913538][ T10] netlink_unicast+0x449/0x710 [ 2963.913538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.913538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.913538][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.913538][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.913538][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.913538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.913538][ T10] [ 2963.915822][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2963.915822][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2963.915822][ T10] ipv6_find_idev+0x102/0x170 [ 2963.915822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.915822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.915822][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.915822][ T10] netlink_unicast+0x449/0x710 [ 2963.915822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.915822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.915822][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.915822][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.915822][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.915822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.915822][ T10] [ 2963.917517][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2963.917517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2963.917517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2963.917517][ T10] ipv6_find_idev+0x102/0x170 [ 2963.917517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.917517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.917517][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.917517][ T10] netlink_unicast+0x449/0x710 [ 2963.917517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.917517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.917517][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.917517][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.917517][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.917517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.917517][ T10] [ 2963.919353][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2963.919636][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2963.919636][ T10] netdev_get_by_index+0x5e/0x80 [ 2963.919636][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2963.919636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2963.919636][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2963.919636][ T10] ipv6_add_addr+0x411/0x2000 [ 2963.919636][ T10] inet6_addr_add+0x30e/0xa40 [ 2963.919636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.919636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.919636][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.919636][ T10] netlink_unicast+0x449/0x710 [ 2963.919636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.919636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.919636][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.919636][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.919636][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.919636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.919636][ T10] [ 2963.921919][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2963.921919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2963.921919][ T10] ipv6_find_idev+0x102/0x170 [ 2963.921919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.921919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.921919][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.921919][ T10] netlink_unicast+0x449/0x710 [ 2963.921919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.921919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.921919][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.921919][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.921919][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.921919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.921919][ T10] [ 2963.923523][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2963.923523][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2963.923523][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2963.923523][ T10] ipv6_find_idev+0x102/0x170 [ 2963.923523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.923523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.923523][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.923523][ T10] netlink_unicast+0x449/0x710 [ 2963.923523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.923523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.923523][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.923523][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.923523][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.923523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.923523][ T10] [ 2963.925867][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2963.926587][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2963.926587][ T10] netdev_get_by_index+0x5e/0x80 [ 2963.926587][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2963.926587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2963.926587][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2963.926587][ T10] ipv6_add_addr+0x411/0x2000 [ 2963.926587][ T10] inet6_addr_add+0x30e/0xa40 [ 2963.926587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.926587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.926587][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.926587][ T10] netlink_unicast+0x449/0x710 [ 2963.926587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.926587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.926587][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.926587][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.926587][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.926587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.926587][ T10] [ 2963.928593][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2963.928593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2963.928593][ T10] ipv6_find_idev+0x102/0x170 [ 2963.928593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.928593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.928593][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.928593][ T10] netlink_unicast+0x449/0x710 [ 2963.928593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.928593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.928593][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.928593][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.928593][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.928593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.928593][ T10] [ 2963.930139][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2963.930139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2963.930139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2963.930139][ T10] ipv6_find_idev+0x102/0x170 [ 2963.930139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.930139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.930139][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.930139][ T10] netlink_unicast+0x449/0x710 [ 2963.930139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.930139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.930139][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.930139][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.930139][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.930139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.930139][ T10] [ 2963.932089][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2963.932455][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2963.932455][ T10] netdev_get_by_index+0x5e/0x80 [ 2963.932455][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2963.932455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2963.932455][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2963.932455][ T10] ipv6_add_addr+0x411/0x2000 [ 2963.932455][ T10] inet6_addr_add+0x30e/0xa40 [ 2963.932455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.932455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.932455][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.932455][ T10] netlink_unicast+0x449/0x710 [ 2963.932455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.932455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.932455][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.932455][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.932455][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.932455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.932455][ T10] [ 2963.934470][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2963.934470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2963.934470][ T10] ipv6_find_idev+0x102/0x170 [ 2963.934470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.934470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.934470][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.934470][ T10] netlink_unicast+0x449/0x710 [ 2963.934470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.934470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.934470][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.934470][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.934470][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.934470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.934470][ T10] [ 2963.936105][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2963.936105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2963.936105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2963.936105][ T10] ipv6_find_idev+0x102/0x170 [ 2963.936105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.936105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.936105][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.936105][ T10] netlink_unicast+0x449/0x710 [ 2963.936105][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.936105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.936105][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.936105][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.936105][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.936105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.936105][ T10] [ 2963.938025][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2963.938350][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2963.938350][ T10] netdev_get_by_index+0x5e/0x80 [ 2963.938350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2963.938350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2963.938350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2963.938350][ T10] ipv6_add_addr+0x411/0x2000 [ 2963.938350][ T10] inet6_addr_add+0x30e/0xa40 [ 2963.938350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2963.938350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.938350][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.938350][ T10] netlink_unicast+0x449/0x710 [ 2963.938350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.938350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.938350][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.938350][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.938350][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.938350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.938350][ T10] [ 2963.940577][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2963.940577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2963.940577][ T10] ipv6_find_idev+0x102/0x170 [ 2963.940577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.940577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.940577][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.940577][ T10] netlink_unicast+0x449/0x710 [ 2963.940577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.940577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.940577][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.940577][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.940577][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.940577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.940577][ T10] [ 2963.942125][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2963.942125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2963.942125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2963.942125][ T10] ipv6_find_idev+0x102/0x170 [ 2963.942125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2963.942125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2963.942125][ T10] netlink_rcv_skb+0x130/0x360 [ 2963.942125][ T10] netlink_unicast+0x449/0x710 [ 2963.942125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2963.942125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2963.942125][ T10] ___sys_sendmsg+0xee/0x170 [ 2963.942125][ T10] __sys_sendmsg+0xcd/0x170 [ 2963.942125][ T10] do_syscall_64+0xc6/0x1e0 [ 2963.942125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2963.942125][ T10] [ 2974.040155][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2974.040481][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2974.040481][ T10] netdev_get_by_index+0x5e/0x80 [ 2974.040481][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2974.040481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2974.040481][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2974.040481][ T10] ipv6_add_addr+0x411/0x2000 [ 2974.040481][ T10] inet6_addr_add+0x30e/0xa40 [ 2974.040481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.040481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.040481][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.040481][ T10] netlink_unicast+0x449/0x710 [ 2974.040481][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.040481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.040481][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.040481][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.040481][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.040481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.040481][ T10] [ 2974.042558][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2974.042558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2974.042558][ T10] ipv6_find_idev+0x102/0x170 [ 2974.042558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.042558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.042558][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.042558][ T10] netlink_unicast+0x449/0x710 [ 2974.042558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.042558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.042558][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.042558][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.042558][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.042558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.042558][ T10] [ 2974.044132][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2974.044132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2974.044132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2974.044132][ T10] ipv6_find_idev+0x102/0x170 [ 2974.044132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.044132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.044132][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.044132][ T10] netlink_unicast+0x449/0x710 [ 2974.044132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.044132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.044132][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.044132][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.044132][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.044132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.044132][ T10] [ 2974.045846][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2974.046132][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2974.046132][ T10] netdev_get_by_index+0x5e/0x80 [ 2974.046132][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2974.046132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2974.046132][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2974.046132][ T10] ipv6_add_addr+0x411/0x2000 [ 2974.046132][ T10] inet6_addr_add+0x30e/0xa40 [ 2974.046132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.046132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.046132][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.046132][ T10] netlink_unicast+0x449/0x710 [ 2974.046132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.046132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.046132][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.046132][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.046132][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.046132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.046132][ T10] [ 2974.048139][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2974.048139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2974.048139][ T10] ipv6_find_idev+0x102/0x170 [ 2974.048139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.048139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.048139][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.048139][ T10] netlink_unicast+0x449/0x710 [ 2974.048139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.048139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.048139][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.048139][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.048139][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.048139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.048139][ T10] [ 2974.049667][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2974.049667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2974.049667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2974.049667][ T10] ipv6_find_idev+0x102/0x170 [ 2974.049667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.049667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.049667][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.049667][ T10] netlink_unicast+0x449/0x710 [ 2974.049667][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.049667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.049667][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.049667][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.049667][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.049667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.049667][ T10] [ 2974.051349][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2974.051623][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2974.051623][ T10] netdev_get_by_index+0x5e/0x80 [ 2974.051623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2974.051623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2974.051623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2974.051623][ T10] ipv6_add_addr+0x411/0x2000 [ 2974.051623][ T10] inet6_addr_add+0x30e/0xa40 [ 2974.051623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.051623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.051623][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.051623][ T10] netlink_unicast+0x449/0x710 [ 2974.051623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.051623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.051623][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.051623][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.051623][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.051623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.051623][ T10] [ 2974.053630][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2974.053630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2974.053630][ T10] ipv6_find_idev+0x102/0x170 [ 2974.053630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.053630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.053630][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.053630][ T10] netlink_unicast+0x449/0x710 [ 2974.053630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.053630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.053630][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.053630][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.053630][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.053630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.053630][ T10] [ 2974.055183][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2974.055183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2974.055183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2974.055183][ T10] ipv6_find_idev+0x102/0x170 [ 2974.055183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.055183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.055183][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.055183][ T10] netlink_unicast+0x449/0x710 [ 2974.055183][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.055183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.055183][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.055183][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.055183][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.055183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.055183][ T10] [ 2974.056875][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2974.057164][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2974.057164][ T10] netdev_get_by_index+0x5e/0x80 [ 2974.057164][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2974.057164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2974.057164][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2974.057164][ T10] ipv6_add_addr+0x411/0x2000 [ 2974.057164][ T10] inet6_addr_add+0x30e/0xa40 [ 2974.057164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.057164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.057164][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.057164][ T10] netlink_unicast+0x449/0x710 [ 2974.057164][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.057164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.057164][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.057164][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.057164][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.057164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.057164][ T10] [ 2974.059307][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2974.059307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2974.059307][ T10] ipv6_find_idev+0x102/0x170 [ 2974.059307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.059307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.059307][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.059307][ T10] netlink_unicast+0x449/0x710 [ 2974.059307][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.059307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.059307][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.059307][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.059307][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.059307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.059307][ T10] [ 2974.061020][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2974.061020][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2974.061020][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2974.061020][ T10] ipv6_find_idev+0x102/0x170 [ 2974.061020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.061020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.061020][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.061020][ T10] netlink_unicast+0x449/0x710 [ 2974.061020][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.061020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.061020][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.061020][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.061020][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.061020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.061020][ T10] [ 2974.062964][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2974.063320][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2974.063320][ T10] netdev_get_by_index+0x5e/0x80 [ 2974.063320][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2974.063320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2974.063320][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2974.063320][ T10] ipv6_add_addr+0x411/0x2000 [ 2974.063320][ T10] inet6_addr_add+0x30e/0xa40 [ 2974.063320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.063320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.063320][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.063320][ T10] netlink_unicast+0x449/0x710 [ 2974.063320][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.063320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.063320][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.063320][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.063320][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.063320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.063320][ T10] [ 2974.065472][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2974.065472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2974.065472][ T10] ipv6_find_idev+0x102/0x170 [ 2974.065472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.065472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.065472][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.065472][ T10] netlink_unicast+0x449/0x710 [ 2974.065472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.065472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.065472][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.065472][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.065472][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.065472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.065472][ T10] [ 2974.067194][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2974.067194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2974.067194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2974.067194][ T10] ipv6_find_idev+0x102/0x170 [ 2974.067194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.067194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.067194][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.067194][ T10] netlink_unicast+0x449/0x710 [ 2974.067194][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.067194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.067194][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.067194][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.067194][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.067194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.067194][ T10] [ 2974.069014][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2974.069379][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2974.069379][ T10] netdev_get_by_index+0x5e/0x80 [ 2974.069379][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2974.069379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2974.069379][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2974.069379][ T10] ipv6_add_addr+0x411/0x2000 [ 2974.069379][ T10] inet6_addr_add+0x30e/0xa40 [ 2974.069379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.069379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.069379][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.069379][ T10] netlink_unicast+0x449/0x710 [ 2974.069379][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.069379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.069379][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.069379][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.069379][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.069379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.069379][ T10] [ 2974.071513][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2974.071513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2974.071513][ T10] ipv6_find_idev+0x102/0x170 [ 2974.071513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.071513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.071513][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.071513][ T10] netlink_unicast+0x449/0x710 [ 2974.071513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.071513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.071513][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.071513][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.071513][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.071513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.071513][ T10] [ 2974.073408][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2974.073408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2974.073408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2974.073408][ T10] ipv6_find_idev+0x102/0x170 [ 2974.073408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.073408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.073408][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.073408][ T10] netlink_unicast+0x449/0x710 [ 2974.073408][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.073408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.073408][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.073408][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.073408][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.073408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.073408][ T10] [ 2974.075502][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2974.075833][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2974.075833][ T10] netdev_get_by_index+0x5e/0x80 [ 2974.075833][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2974.075833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2974.075833][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2974.075833][ T10] ipv6_add_addr+0x411/0x2000 [ 2974.075833][ T10] inet6_addr_add+0x30e/0xa40 [ 2974.075833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.075833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.075833][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.075833][ T10] netlink_unicast+0x449/0x710 [ 2974.075833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.075833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.075833][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.075833][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.075833][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.075833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.075833][ T10] [ 2974.077863][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2974.077863][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2974.077863][ T10] ipv6_find_idev+0x102/0x170 [ 2974.077863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.077863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.077863][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.077863][ T10] netlink_unicast+0x449/0x710 [ 2974.077863][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.077863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.077863][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.077863][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.077863][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.077863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.077863][ T10] [ 2974.079476][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2974.079476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2974.079476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2974.079476][ T10] ipv6_find_idev+0x102/0x170 [ 2974.079476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.079476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.079476][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.079476][ T10] netlink_unicast+0x449/0x710 [ 2974.079476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.079476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.079476][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.079476][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.079476][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.079476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.079476][ T10] [ 2974.081509][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2974.081828][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2974.081828][ T10] netdev_get_by_index+0x5e/0x80 [ 2974.081828][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2974.081828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2974.081828][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2974.081828][ T10] ipv6_add_addr+0x411/0x2000 [ 2974.081828][ T10] inet6_addr_add+0x30e/0xa40 [ 2974.081828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2974.081828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.081828][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.081828][ T10] netlink_unicast+0x449/0x710 [ 2974.081828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.081828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.081828][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.081828][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.081828][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.081828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.081828][ T10] [ 2974.084038][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2974.084038][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2974.084038][ T10] ipv6_find_idev+0x102/0x170 [ 2974.084038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.084038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.084038][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.084038][ T10] netlink_unicast+0x449/0x710 [ 2974.084038][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.084038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.084038][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.084038][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.084038][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.084038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.084038][ T10] [ 2974.085797][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2974.085797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2974.085797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2974.085797][ T10] ipv6_find_idev+0x102/0x170 [ 2974.085797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2974.085797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2974.085797][ T10] netlink_rcv_skb+0x130/0x360 [ 2974.085797][ T10] netlink_unicast+0x449/0x710 [ 2974.085797][ T10] netlink_sendmsg+0x723/0xbe0 [ 2974.085797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2974.085797][ T10] ___sys_sendmsg+0xee/0x170 [ 2974.085797][ T10] __sys_sendmsg+0xcd/0x170 [ 2974.085797][ T10] do_syscall_64+0xc6/0x1e0 [ 2974.085797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2974.085797][ T10] [ 2984.192123][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2984.192450][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2984.192450][ T10] netdev_get_by_index+0x5e/0x80 [ 2984.192450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2984.192450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2984.192450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2984.192450][ T10] ipv6_add_addr+0x411/0x2000 [ 2984.192450][ T10] inet6_addr_add+0x30e/0xa40 [ 2984.192450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.192450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.192450][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.192450][ T10] netlink_unicast+0x449/0x710 [ 2984.192450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.192450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.192450][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.192450][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.192450][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.192450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.192450][ T10] [ 2984.194428][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2984.194428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2984.194428][ T10] ipv6_find_idev+0x102/0x170 [ 2984.194428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.194428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.194428][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.194428][ T10] netlink_unicast+0x449/0x710 [ 2984.194428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.194428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.194428][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.194428][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.194428][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.194428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.194428][ T10] [ 2984.195909][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2984.195909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2984.195909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2984.195909][ T10] ipv6_find_idev+0x102/0x170 [ 2984.195909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.195909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.195909][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.195909][ T10] netlink_unicast+0x449/0x710 [ 2984.195909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.195909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.195909][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.195909][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.195909][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.195909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.195909][ T10] [ 2984.197556][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2984.197821][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2984.197821][ T10] netdev_get_by_index+0x5e/0x80 [ 2984.197821][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2984.197821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2984.197821][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2984.197821][ T10] ipv6_add_addr+0x411/0x2000 [ 2984.197821][ T10] inet6_addr_add+0x30e/0xa40 [ 2984.197821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.197821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.197821][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.197821][ T10] netlink_unicast+0x449/0x710 [ 2984.197821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.197821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.197821][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.197821][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.197821][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.197821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.197821][ T10] [ 2984.199828][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2984.199828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2984.199828][ T10] ipv6_find_idev+0x102/0x170 [ 2984.199828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.199828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.199828][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.199828][ T10] netlink_unicast+0x449/0x710 [ 2984.199828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.199828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.199828][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.199828][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.199828][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.199828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.199828][ T10] [ 2984.201359][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2984.201359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2984.201359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2984.201359][ T10] ipv6_find_idev+0x102/0x170 [ 2984.201359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.201359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.201359][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.201359][ T10] netlink_unicast+0x449/0x710 [ 2984.201359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.201359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.201359][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.201359][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.201359][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.201359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.201359][ T10] [ 2984.203255][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2984.203537][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2984.203537][ T10] netdev_get_by_index+0x5e/0x80 [ 2984.203537][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2984.203537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2984.203537][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2984.203537][ T10] ipv6_add_addr+0x411/0x2000 [ 2984.203537][ T10] inet6_addr_add+0x30e/0xa40 [ 2984.203537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.203537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.203537][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.203537][ T10] netlink_unicast+0x449/0x710 [ 2984.203537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.203537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.203537][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.203537][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.203537][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.203537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.203537][ T10] [ 2984.205493][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2984.205493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2984.205493][ T10] ipv6_find_idev+0x102/0x170 [ 2984.205493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.205493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.205493][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.205493][ T10] netlink_unicast+0x449/0x710 [ 2984.205493][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.205493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.205493][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.205493][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.205493][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.205493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.205493][ T10] [ 2984.207013][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2984.207013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2984.207013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2984.207013][ T10] ipv6_find_idev+0x102/0x170 [ 2984.207013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.207013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.207013][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.207013][ T10] netlink_unicast+0x449/0x710 [ 2984.207013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.207013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.207013][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.207013][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.207013][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.207013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.207013][ T10] [ 2984.208945][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2984.209657][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2984.209657][ T10] netdev_get_by_index+0x5e/0x80 [ 2984.209657][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2984.209657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2984.209657][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2984.209657][ T10] ipv6_add_addr+0x411/0x2000 [ 2984.209657][ T10] inet6_addr_add+0x30e/0xa40 [ 2984.209657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.209657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.209657][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.209657][ T10] netlink_unicast+0x449/0x710 [ 2984.209657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.209657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.209657][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.209657][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.209657][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.209657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.209657][ T10] [ 2984.211661][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2984.211661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2984.211661][ T10] ipv6_find_idev+0x102/0x170 [ 2984.211661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.211661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.211661][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.211661][ T10] netlink_unicast+0x449/0x710 [ 2984.211661][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.211661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.211661][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.211661][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.211661][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.211661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.211661][ T10] [ 2984.213184][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2984.213184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2984.213184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2984.213184][ T10] ipv6_find_idev+0x102/0x170 [ 2984.213184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.213184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.213184][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.213184][ T10] netlink_unicast+0x449/0x710 [ 2984.213184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.213184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.213184][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.213184][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.213184][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.213184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.213184][ T10] [ 2984.214885][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2984.215213][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2984.215213][ T10] netdev_get_by_index+0x5e/0x80 [ 2984.215213][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2984.215213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2984.215213][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2984.215213][ T10] ipv6_add_addr+0x411/0x2000 [ 2984.215213][ T10] inet6_addr_add+0x30e/0xa40 [ 2984.215213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.215213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.215213][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.215213][ T10] netlink_unicast+0x449/0x710 [ 2984.215213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.215213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.215213][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.215213][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.215213][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.215213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.215213][ T10] [ 2984.217380][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2984.217380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2984.217380][ T10] ipv6_find_idev+0x102/0x170 [ 2984.217380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.217380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.217380][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.217380][ T10] netlink_unicast+0x449/0x710 [ 2984.217380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.217380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.217380][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.217380][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.217380][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.217380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.217380][ T10] [ 2984.218974][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2984.218974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2984.218974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2984.218974][ T10] ipv6_find_idev+0x102/0x170 [ 2984.218974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.218974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.218974][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.218974][ T10] netlink_unicast+0x449/0x710 [ 2984.218974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.218974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.218974][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.218974][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.218974][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.218974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.218974][ T10] [ 2984.220865][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2984.221133][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2984.221133][ T10] netdev_get_by_index+0x5e/0x80 [ 2984.221133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2984.221133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2984.221133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2984.221133][ T10] ipv6_add_addr+0x411/0x2000 [ 2984.221133][ T10] inet6_addr_add+0x30e/0xa40 [ 2984.221133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.221133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.221133][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.221133][ T10] netlink_unicast+0x449/0x710 [ 2984.221133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.221133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.221133][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.221133][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.221133][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.221133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.221133][ T10] [ 2984.223100][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2984.223100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2984.223100][ T10] ipv6_find_idev+0x102/0x170 [ 2984.223100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.223100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.223100][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.223100][ T10] netlink_unicast+0x449/0x710 [ 2984.223100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.223100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.223100][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.223100][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.223100][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.223100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.223100][ T10] [ 2984.224805][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2984.224805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2984.224805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2984.224805][ T10] ipv6_find_idev+0x102/0x170 [ 2984.224805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.224805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.224805][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.224805][ T10] netlink_unicast+0x449/0x710 [ 2984.224805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.224805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.224805][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.224805][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.224805][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.224805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.224805][ T10] [ 2984.226713][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2984.227053][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2984.227053][ T10] netdev_get_by_index+0x5e/0x80 [ 2984.227053][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2984.227053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2984.227053][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2984.227053][ T10] ipv6_add_addr+0x411/0x2000 [ 2984.227053][ T10] inet6_addr_add+0x30e/0xa40 [ 2984.227053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.227053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.227053][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.227053][ T10] netlink_unicast+0x449/0x710 [ 2984.227053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.227053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.227053][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.227053][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.227053][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.227053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.227053][ T10] [ 2984.229205][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2984.229205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2984.229205][ T10] ipv6_find_idev+0x102/0x170 [ 2984.229205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.229205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.229205][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.229205][ T10] netlink_unicast+0x449/0x710 [ 2984.229205][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.229205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.229205][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.229205][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.229205][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.229205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.229205][ T10] [ 2984.230957][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2984.230957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2984.230957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2984.230957][ T10] ipv6_find_idev+0x102/0x170 [ 2984.230957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.230957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.230957][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.230957][ T10] netlink_unicast+0x449/0x710 [ 2984.230957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.230957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.230957][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.230957][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.230957][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.230957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.230957][ T10] [ 2984.232861][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2984.233133][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2984.233133][ T10] netdev_get_by_index+0x5e/0x80 [ 2984.233133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2984.233133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2984.233133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2984.233133][ T10] ipv6_add_addr+0x411/0x2000 [ 2984.233133][ T10] inet6_addr_add+0x30e/0xa40 [ 2984.233133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2984.233133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.233133][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.233133][ T10] netlink_unicast+0x449/0x710 [ 2984.233133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.233133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.233133][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.233133][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.233133][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.233133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.233133][ T10] [ 2984.235280][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2984.235280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2984.235280][ T10] ipv6_find_idev+0x102/0x170 [ 2984.235280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.235280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.235280][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.235280][ T10] netlink_unicast+0x449/0x710 [ 2984.235280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.235280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.235280][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.235280][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.235280][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.235280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.235280][ T10] [ 2984.236962][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2984.236962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2984.236962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2984.236962][ T10] ipv6_find_idev+0x102/0x170 [ 2984.236962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2984.236962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2984.236962][ T10] netlink_rcv_skb+0x130/0x360 [ 2984.236962][ T10] netlink_unicast+0x449/0x710 [ 2984.236962][ T10] netlink_sendmsg+0x723/0xbe0 [ 2984.236962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2984.236962][ T10] ___sys_sendmsg+0xee/0x170 [ 2984.236962][ T10] __sys_sendmsg+0xcd/0x170 [ 2984.236962][ T10] do_syscall_64+0xc6/0x1e0 [ 2984.236962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2984.236962][ T10] [ 2994.313115][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2994.313457][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2994.313457][ T10] netdev_get_by_index+0x5e/0x80 [ 2994.313457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2994.313457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2994.313457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2994.313457][ T10] ipv6_add_addr+0x411/0x2000 [ 2994.313457][ T10] inet6_addr_add+0x30e/0xa40 [ 2994.313457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.313457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.313457][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.313457][ T10] netlink_unicast+0x449/0x710 [ 2994.313457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.313457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.313457][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.313457][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.313457][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.313457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.313457][ T10] [ 2994.315476][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2994.315476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2994.315476][ T10] ipv6_find_idev+0x102/0x170 [ 2994.315476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.315476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.315476][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.315476][ T10] netlink_unicast+0x449/0x710 [ 2994.315476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.315476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.315476][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.315476][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.315476][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.315476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.315476][ T10] [ 2994.316991][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 2994.316991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2994.316991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2994.316991][ T10] ipv6_find_idev+0x102/0x170 [ 2994.316991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.316991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.316991][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.316991][ T10] netlink_unicast+0x449/0x710 [ 2994.316991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.316991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.316991][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.316991][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.316991][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.316991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.316991][ T10] [ 2994.318644][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2994.318908][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2994.318908][ T10] netdev_get_by_index+0x5e/0x80 [ 2994.318908][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2994.318908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2994.318908][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2994.318908][ T10] ipv6_add_addr+0x411/0x2000 [ 2994.318908][ T10] inet6_addr_add+0x30e/0xa40 [ 2994.318908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.318908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.318908][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.318908][ T10] netlink_unicast+0x449/0x710 [ 2994.318908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.318908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.318908][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.318908][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.318908][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.318908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.318908][ T10] [ 2994.320890][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2994.320890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2994.320890][ T10] ipv6_find_idev+0x102/0x170 [ 2994.320890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.320890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.320890][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.320890][ T10] netlink_unicast+0x449/0x710 [ 2994.320890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.320890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.320890][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.320890][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.320890][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.320890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.320890][ T10] [ 2994.322402][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 2994.322402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2994.322402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2994.322402][ T10] ipv6_find_idev+0x102/0x170 [ 2994.322402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.322402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.322402][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.322402][ T10] netlink_unicast+0x449/0x710 [ 2994.322402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.322402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.322402][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.322402][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.322402][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.322402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.322402][ T10] [ 2994.324024][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2994.324325][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2994.324325][ T10] netdev_get_by_index+0x5e/0x80 [ 2994.324325][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2994.324325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2994.324325][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2994.324325][ T10] ipv6_add_addr+0x411/0x2000 [ 2994.324325][ T10] inet6_addr_add+0x30e/0xa40 [ 2994.324325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.324325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.324325][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.324325][ T10] netlink_unicast+0x449/0x710 [ 2994.324325][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.324325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.324325][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.324325][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.324325][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.324325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.324325][ T10] [ 2994.326301][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2994.326301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2994.326301][ T10] ipv6_find_idev+0x102/0x170 [ 2994.326301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.326301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.326301][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.326301][ T10] netlink_unicast+0x449/0x710 [ 2994.326301][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.326301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.326301][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.326301][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.326301][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.326301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.326301][ T10] [ 2994.327793][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 2994.327793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2994.327793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2994.327793][ T10] ipv6_find_idev+0x102/0x170 [ 2994.327793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.327793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.327793][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.327793][ T10] netlink_unicast+0x449/0x710 [ 2994.327793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.327793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.327793][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.327793][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.327793][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.327793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.327793][ T10] [ 2994.329428][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2994.329687][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2994.329687][ T10] netdev_get_by_index+0x5e/0x80 [ 2994.329687][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2994.329687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2994.329687][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2994.329687][ T10] ipv6_add_addr+0x411/0x2000 [ 2994.329687][ T10] inet6_addr_add+0x30e/0xa40 [ 2994.329687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.329687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.329687][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.329687][ T10] netlink_unicast+0x449/0x710 [ 2994.329687][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.329687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.329687][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.329687][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.329687][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.329687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.329687][ T10] [ 2994.331668][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2994.331668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2994.331668][ T10] ipv6_find_idev+0x102/0x170 [ 2994.331668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.331668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.331668][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.331668][ T10] netlink_unicast+0x449/0x710 [ 2994.331668][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.331668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.331668][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.331668][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.331668][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.331668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.331668][ T10] [ 2994.333187][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 2994.333187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2994.333187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2994.333187][ T10] ipv6_find_idev+0x102/0x170 [ 2994.333187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.333187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.333187][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.333187][ T10] netlink_unicast+0x449/0x710 [ 2994.333187][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.333187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.333187][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.333187][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.333187][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.333187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.333187][ T10] [ 2994.334843][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2994.335120][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2994.335120][ T10] netdev_get_by_index+0x5e/0x80 [ 2994.335120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2994.335120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2994.335120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2994.335120][ T10] ipv6_add_addr+0x411/0x2000 [ 2994.335120][ T10] inet6_addr_add+0x30e/0xa40 [ 2994.335120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.335120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.335120][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.335120][ T10] netlink_unicast+0x449/0x710 [ 2994.335120][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.335120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.335120][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.335120][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.335120][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.335120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.335120][ T10] [ 2994.337202][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2994.337202][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2994.337202][ T10] ipv6_find_idev+0x102/0x170 [ 2994.337202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.337202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.337202][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.337202][ T10] netlink_unicast+0x449/0x710 [ 2994.337202][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.337202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.337202][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.337202][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.337202][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.337202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.337202][ T10] [ 2994.338936][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 2994.338936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2994.338936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2994.338936][ T10] ipv6_find_idev+0x102/0x170 [ 2994.338936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.338936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.338936][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.338936][ T10] netlink_unicast+0x449/0x710 [ 2994.338936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.338936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.338936][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.338936][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.338936][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.338936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.338936][ T10] [ 2994.341245][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2994.341979][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2994.341979][ T10] netdev_get_by_index+0x5e/0x80 [ 2994.341979][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2994.341979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2994.341979][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2994.341979][ T10] ipv6_add_addr+0x411/0x2000 [ 2994.341979][ T10] inet6_addr_add+0x30e/0xa40 [ 2994.341979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.341979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.341979][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.341979][ T10] netlink_unicast+0x449/0x710 [ 2994.341979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.341979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.341979][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.341979][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.341979][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.341979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.341979][ T10] [ 2994.343979][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2994.343979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2994.343979][ T10] ipv6_find_idev+0x102/0x170 [ 2994.343979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.343979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.343979][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.343979][ T10] netlink_unicast+0x449/0x710 [ 2994.343979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.343979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.343979][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.343979][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.343979][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.343979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.343979][ T10] [ 2994.345480][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 2994.345480][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2994.345480][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2994.345480][ T10] ipv6_find_idev+0x102/0x170 [ 2994.345480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.345480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.345480][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.345480][ T10] netlink_unicast+0x449/0x710 [ 2994.345480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.345480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.345480][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.345480][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.345480][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.345480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.345480][ T10] [ 2994.347188][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2994.347521][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2994.347521][ T10] netdev_get_by_index+0x5e/0x80 [ 2994.347521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2994.347521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2994.347521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2994.347521][ T10] ipv6_add_addr+0x411/0x2000 [ 2994.347521][ T10] inet6_addr_add+0x30e/0xa40 [ 2994.347521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.347521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.347521][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.347521][ T10] netlink_unicast+0x449/0x710 [ 2994.347521][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.347521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.347521][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.347521][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.347521][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.347521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.347521][ T10] [ 2994.349655][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2994.349655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2994.349655][ T10] ipv6_find_idev+0x102/0x170 [ 2994.349655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.349655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.349655][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.349655][ T10] netlink_unicast+0x449/0x710 [ 2994.349655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.349655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.349655][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.349655][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.349655][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.349655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.349655][ T10] [ 2994.351308][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 2994.351308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2994.351308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2994.351308][ T10] ipv6_find_idev+0x102/0x170 [ 2994.351308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.351308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.351308][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.351308][ T10] netlink_unicast+0x449/0x710 [ 2994.351308][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.351308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.351308][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.351308][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.351308][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.351308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.351308][ T10] [ 2994.353163][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2994.353427][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2994.353427][ T10] netdev_get_by_index+0x5e/0x80 [ 2994.353427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2994.353427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2994.353427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2994.353427][ T10] ipv6_add_addr+0x411/0x2000 [ 2994.353427][ T10] inet6_addr_add+0x30e/0xa40 [ 2994.353427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2994.353427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.353427][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.353427][ T10] netlink_unicast+0x449/0x710 [ 2994.353427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.353427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.353427][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.353427][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.353427][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.353427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.353427][ T10] [ 2994.355661][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2994.355661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2994.355661][ T10] ipv6_find_idev+0x102/0x170 [ 2994.355661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.355661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.355661][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.355661][ T10] netlink_unicast+0x449/0x710 [ 2994.355661][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.355661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.355661][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.355661][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.355661][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.355661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.355661][ T10] [ 2994.357304][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 2994.357304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2994.357304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2994.357304][ T10] ipv6_find_idev+0x102/0x170 [ 2994.357304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2994.357304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2994.357304][ T10] netlink_rcv_skb+0x130/0x360 [ 2994.357304][ T10] netlink_unicast+0x449/0x710 [ 2994.357304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2994.357304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2994.357304][ T10] ___sys_sendmsg+0xee/0x170 [ 2994.357304][ T10] __sys_sendmsg+0xcd/0x170 [ 2994.357304][ T10] do_syscall_64+0xc6/0x1e0 [ 2994.357304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2994.357304][ T10] [ 3004.497125][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3004.497451][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3004.497451][ T10] netdev_get_by_index+0x5e/0x80 [ 3004.497451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3004.497451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3004.497451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3004.497451][ T10] ipv6_add_addr+0x411/0x2000 [ 3004.497451][ T10] inet6_addr_add+0x30e/0xa40 [ 3004.497451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.497451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.497451][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.497451][ T10] netlink_unicast+0x449/0x710 [ 3004.497451][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.497451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.497451][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.497451][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.497451][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.497451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.497451][ T10] [ 3004.499498][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3004.499498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3004.499498][ T10] ipv6_find_idev+0x102/0x170 [ 3004.499498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.499498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.499498][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.499498][ T10] netlink_unicast+0x449/0x710 [ 3004.499498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.499498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.499498][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.499498][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.499498][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.499498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.499498][ T10] [ 3004.501064][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3004.501064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3004.501064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3004.501064][ T10] ipv6_find_idev+0x102/0x170 [ 3004.501064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.501064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.501064][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.501064][ T10] netlink_unicast+0x449/0x710 [ 3004.501064][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.501064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.501064][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.501064][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.501064][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.501064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.501064][ T10] [ 3004.502827][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3004.503094][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3004.503094][ T10] netdev_get_by_index+0x5e/0x80 [ 3004.503094][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3004.503094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3004.503094][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3004.503094][ T10] ipv6_add_addr+0x411/0x2000 [ 3004.503094][ T10] inet6_addr_add+0x30e/0xa40 [ 3004.503094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.503094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.503094][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.503094][ T10] netlink_unicast+0x449/0x710 [ 3004.503094][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.503094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.503094][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.503094][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.503094][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.503094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.503094][ T10] [ 3004.505067][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3004.505067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3004.505067][ T10] ipv6_find_idev+0x102/0x170 [ 3004.505067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.505067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.505067][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.505067][ T10] netlink_unicast+0x449/0x710 [ 3004.505067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.505067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.505067][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.505067][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.505067][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.505067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.505067][ T10] [ 3004.506591][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3004.506591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3004.506591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3004.506591][ T10] ipv6_find_idev+0x102/0x170 [ 3004.506591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.506591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.506591][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.506591][ T10] netlink_unicast+0x449/0x710 [ 3004.506591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.506591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.506591][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.506591][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.506591][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.506591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.506591][ T10] [ 3004.508252][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3004.508514][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3004.508514][ T10] netdev_get_by_index+0x5e/0x80 [ 3004.508514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3004.508514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3004.508514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3004.508514][ T10] ipv6_add_addr+0x411/0x2000 [ 3004.508514][ T10] inet6_addr_add+0x30e/0xa40 [ 3004.508514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.508514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.508514][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.508514][ T10] netlink_unicast+0x449/0x710 [ 3004.508514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.508514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.508514][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.508514][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.508514][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.508514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.508514][ T10] [ 3004.510578][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3004.510578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3004.510578][ T10] ipv6_find_idev+0x102/0x170 [ 3004.510578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.510578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.510578][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.510578][ T10] netlink_unicast+0x449/0x710 [ 3004.510578][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.510578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.510578][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.510578][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.510578][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.510578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.510578][ T10] [ 3004.512157][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3004.512157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3004.512157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3004.512157][ T10] ipv6_find_idev+0x102/0x170 [ 3004.512157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.512157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.512157][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.512157][ T10] netlink_unicast+0x449/0x710 [ 3004.512157][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.512157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.512157][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.512157][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.512157][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.512157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.512157][ T10] [ 3004.514188][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3004.514461][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3004.514461][ T10] netdev_get_by_index+0x5e/0x80 [ 3004.514461][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3004.514461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3004.514461][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3004.514461][ T10] ipv6_add_addr+0x411/0x2000 [ 3004.514461][ T10] inet6_addr_add+0x30e/0xa40 [ 3004.514461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.514461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.514461][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.514461][ T10] netlink_unicast+0x449/0x710 [ 3004.514461][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.514461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.514461][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.514461][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.514461][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.514461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.514461][ T10] [ 3004.516721][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3004.516721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3004.516721][ T10] ipv6_find_idev+0x102/0x170 [ 3004.516721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.516721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.516721][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.516721][ T10] netlink_unicast+0x449/0x710 [ 3004.516721][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.516721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.516721][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.516721][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.516721][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.516721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.516721][ T10] [ 3004.518535][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3004.518535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3004.518535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3004.518535][ T10] ipv6_find_idev+0x102/0x170 [ 3004.518535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.518535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.518535][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.518535][ T10] netlink_unicast+0x449/0x710 [ 3004.518535][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.518535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.518535][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.518535][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.518535][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.518535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.518535][ T10] [ 3004.520438][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3004.520729][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3004.520729][ T10] netdev_get_by_index+0x5e/0x80 [ 3004.520729][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3004.520729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3004.520729][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3004.520729][ T10] ipv6_add_addr+0x411/0x2000 [ 3004.520729][ T10] inet6_addr_add+0x30e/0xa40 [ 3004.520729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.520729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.520729][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.520729][ T10] netlink_unicast+0x449/0x710 [ 3004.520729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.520729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.520729][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.520729][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.520729][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.520729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.520729][ T10] [ 3004.522934][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3004.522934][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3004.522934][ T10] ipv6_find_idev+0x102/0x170 [ 3004.522934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.522934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.522934][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.522934][ T10] netlink_unicast+0x449/0x710 [ 3004.522934][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.522934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.522934][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.522934][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.522934][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.522934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.522934][ T10] [ 3004.524613][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3004.524613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3004.524613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3004.524613][ T10] ipv6_find_idev+0x102/0x170 [ 3004.524613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.524613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.524613][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.524613][ T10] netlink_unicast+0x449/0x710 [ 3004.524613][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.524613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.524613][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.524613][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.524613][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.524613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.524613][ T10] [ 3004.526723][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3004.526990][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3004.526990][ T10] netdev_get_by_index+0x5e/0x80 [ 3004.526990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3004.526990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3004.526990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3004.526990][ T10] ipv6_add_addr+0x411/0x2000 [ 3004.526990][ T10] inet6_addr_add+0x30e/0xa40 [ 3004.526990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.526990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.526990][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.526990][ T10] netlink_unicast+0x449/0x710 [ 3004.526990][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.526990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.526990][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.526990][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.526990][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.526990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.526990][ T10] [ 3004.528981][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3004.528981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3004.528981][ T10] ipv6_find_idev+0x102/0x170 [ 3004.528981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.528981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.528981][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.528981][ T10] netlink_unicast+0x449/0x710 [ 3004.528981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.528981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.528981][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.528981][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.528981][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.528981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.528981][ T10] [ 3004.530724][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3004.530724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3004.530724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3004.530724][ T10] ipv6_find_idev+0x102/0x170 [ 3004.530724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.530724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.530724][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.530724][ T10] netlink_unicast+0x449/0x710 [ 3004.530724][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.530724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.530724][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.530724][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.530724][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.530724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.530724][ T10] [ 3004.532575][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3004.532849][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3004.532849][ T10] netdev_get_by_index+0x5e/0x80 [ 3004.532849][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3004.532849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3004.532849][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3004.532849][ T10] ipv6_add_addr+0x411/0x2000 [ 3004.532849][ T10] inet6_addr_add+0x30e/0xa40 [ 3004.532849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.532849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.532849][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.532849][ T10] netlink_unicast+0x449/0x710 [ 3004.532849][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.532849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.532849][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.532849][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.532849][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.532849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.532849][ T10] [ 3004.535034][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3004.535034][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3004.535034][ T10] ipv6_find_idev+0x102/0x170 [ 3004.535034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.535034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.535034][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.535034][ T10] netlink_unicast+0x449/0x710 [ 3004.535034][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.535034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.535034][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.535034][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.535034][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.535034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.535034][ T10] [ 3004.536718][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3004.536718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3004.536718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3004.536718][ T10] ipv6_find_idev+0x102/0x170 [ 3004.536718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.536718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.536718][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.536718][ T10] netlink_unicast+0x449/0x710 [ 3004.536718][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.536718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.536718][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.536718][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.536718][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.536718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.536718][ T10] [ 3004.538698][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3004.539034][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3004.539034][ T10] netdev_get_by_index+0x5e/0x80 [ 3004.539034][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3004.539034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3004.539034][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3004.539034][ T10] ipv6_add_addr+0x411/0x2000 [ 3004.539034][ T10] inet6_addr_add+0x30e/0xa40 [ 3004.539034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3004.539034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.539034][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.539034][ T10] netlink_unicast+0x449/0x710 [ 3004.539034][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.539034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.539034][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.539034][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.539034][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.539034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.539034][ T10] [ 3004.541171][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3004.541171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3004.541171][ T10] ipv6_find_idev+0x102/0x170 [ 3004.541171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.541171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.541171][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.541171][ T10] netlink_unicast+0x449/0x710 [ 3004.541171][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.541171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.541171][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.541171][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.541171][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.541171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.541171][ T10] [ 3004.542925][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3004.542925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3004.542925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3004.542925][ T10] ipv6_find_idev+0x102/0x170 [ 3004.542925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3004.542925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3004.542925][ T10] netlink_rcv_skb+0x130/0x360 [ 3004.542925][ T10] netlink_unicast+0x449/0x710 [ 3004.542925][ T10] netlink_sendmsg+0x723/0xbe0 [ 3004.542925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3004.542925][ T10] ___sys_sendmsg+0xee/0x170 [ 3004.542925][ T10] __sys_sendmsg+0xcd/0x170 [ 3004.542925][ T10] do_syscall_64+0xc6/0x1e0 [ 3004.542925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3004.542925][ T10] [ 3014.753139][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3014.753485][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3014.753485][ T10] netdev_get_by_index+0x5e/0x80 [ 3014.753485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3014.753485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3014.753485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3014.753485][ T10] ipv6_add_addr+0x411/0x2000 [ 3014.753485][ T10] inet6_addr_add+0x30e/0xa40 [ 3014.753485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.753485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.753485][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.753485][ T10] netlink_unicast+0x449/0x710 [ 3014.753485][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.753485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.753485][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.753485][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.753485][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.753485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.753485][ T10] [ 3014.755497][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3014.755497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3014.755497][ T10] ipv6_find_idev+0x102/0x170 [ 3014.755497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.755497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.755497][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.755497][ T10] netlink_unicast+0x449/0x710 [ 3014.755497][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.755497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.755497][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.755497][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.755497][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.755497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.755497][ T10] [ 3014.757015][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3014.757015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3014.757015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3014.757015][ T10] ipv6_find_idev+0x102/0x170 [ 3014.757015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.757015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.757015][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.757015][ T10] netlink_unicast+0x449/0x710 [ 3014.757015][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.757015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.757015][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.757015][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.757015][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.757015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.757015][ T10] [ 3014.758645][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3014.758908][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3014.758908][ T10] netdev_get_by_index+0x5e/0x80 [ 3014.758908][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3014.758908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3014.758908][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3014.758908][ T10] ipv6_add_addr+0x411/0x2000 [ 3014.758908][ T10] inet6_addr_add+0x30e/0xa40 [ 3014.758908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.758908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.758908][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.758908][ T10] netlink_unicast+0x449/0x710 [ 3014.758908][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.758908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.758908][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.758908][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.758908][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.758908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.758908][ T10] [ 3014.760902][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3014.760902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3014.760902][ T10] ipv6_find_idev+0x102/0x170 [ 3014.760902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.760902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.760902][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.760902][ T10] netlink_unicast+0x449/0x710 [ 3014.760902][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.760902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.760902][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.760902][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.760902][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.760902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.760902][ T10] [ 3014.762404][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3014.762404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3014.762404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3014.762404][ T10] ipv6_find_idev+0x102/0x170 [ 3014.762404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.762404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.762404][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.762404][ T10] netlink_unicast+0x449/0x710 [ 3014.762404][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.762404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.762404][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.762404][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.762404][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.762404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.762404][ T10] [ 3014.764129][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3014.764391][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3014.764391][ T10] netdev_get_by_index+0x5e/0x80 [ 3014.764391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3014.764391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3014.764391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3014.764391][ T10] ipv6_add_addr+0x411/0x2000 [ 3014.764391][ T10] inet6_addr_add+0x30e/0xa40 [ 3014.764391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.764391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.764391][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.764391][ T10] netlink_unicast+0x449/0x710 [ 3014.764391][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.764391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.764391][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.764391][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.764391][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.764391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.764391][ T10] [ 3014.766354][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3014.766354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3014.766354][ T10] ipv6_find_idev+0x102/0x170 [ 3014.766354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.766354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.766354][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.766354][ T10] netlink_unicast+0x449/0x710 [ 3014.766354][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.766354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.766354][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.766354][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.766354][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.766354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.766354][ T10] [ 3014.767858][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3014.767858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3014.767858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3014.767858][ T10] ipv6_find_idev+0x102/0x170 [ 3014.767858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.767858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.767858][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.767858][ T10] netlink_unicast+0x449/0x710 [ 3014.767858][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.767858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.767858][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.767858][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.767858][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.767858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.767858][ T10] [ 3014.769546][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3014.769806][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3014.769806][ T10] netdev_get_by_index+0x5e/0x80 [ 3014.769806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3014.769806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3014.769806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3014.769806][ T10] ipv6_add_addr+0x411/0x2000 [ 3014.769806][ T10] inet6_addr_add+0x30e/0xa40 [ 3014.769806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.769806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.769806][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.769806][ T10] netlink_unicast+0x449/0x710 [ 3014.769806][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.769806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.769806][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.769806][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.769806][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.769806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.769806][ T10] [ 3014.771865][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3014.771865][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3014.771865][ T10] ipv6_find_idev+0x102/0x170 [ 3014.771865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.771865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.771865][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.771865][ T10] netlink_unicast+0x449/0x710 [ 3014.771865][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.771865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.771865][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.771865][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.771865][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.771865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.771865][ T10] [ 3014.773536][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3014.773536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3014.773536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3014.773536][ T10] ipv6_find_idev+0x102/0x170 [ 3014.773536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.773536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.773536][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.773536][ T10] netlink_unicast+0x449/0x710 [ 3014.773536][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.773536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.773536][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.773536][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.773536][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.773536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.773536][ T10] [ 3014.775405][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3014.775682][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3014.775682][ T10] netdev_get_by_index+0x5e/0x80 [ 3014.775682][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3014.775682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3014.775682][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3014.775682][ T10] ipv6_add_addr+0x411/0x2000 [ 3014.775682][ T10] inet6_addr_add+0x30e/0xa40 [ 3014.775682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.775682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.775682][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.775682][ T10] netlink_unicast+0x449/0x710 [ 3014.775682][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.775682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.775682][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.775682][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.775682][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.775682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.775682][ T10] [ 3014.777840][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3014.777840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3014.777840][ T10] ipv6_find_idev+0x102/0x170 [ 3014.777840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.777840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.777840][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.777840][ T10] netlink_unicast+0x449/0x710 [ 3014.777840][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.777840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.777840][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.777840][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.777840][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.777840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.777840][ T10] [ 3014.779473][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3014.779473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3014.779473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3014.779473][ T10] ipv6_find_idev+0x102/0x170 [ 3014.779473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.779473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.779473][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.779473][ T10] netlink_unicast+0x449/0x710 [ 3014.779473][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.779473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.779473][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.779473][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.779473][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.779473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.779473][ T10] [ 3014.781278][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3014.781612][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3014.781612][ T10] netdev_get_by_index+0x5e/0x80 [ 3014.781612][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3014.781612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3014.781612][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3014.781612][ T10] ipv6_add_addr+0x411/0x2000 [ 3014.781612][ T10] inet6_addr_add+0x30e/0xa40 [ 3014.781612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.781612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.781612][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.781612][ T10] netlink_unicast+0x449/0x710 [ 3014.781612][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.781612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.781612][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.781612][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.781612][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.781612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.781612][ T10] [ 3014.783769][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3014.783769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3014.783769][ T10] ipv6_find_idev+0x102/0x170 [ 3014.783769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.783769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.783769][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.783769][ T10] netlink_unicast+0x449/0x710 [ 3014.783769][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.783769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.783769][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.783769][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.783769][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.783769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.783769][ T10] [ 3014.785465][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3014.785465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3014.785465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3014.785465][ T10] ipv6_find_idev+0x102/0x170 [ 3014.785465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.785465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.785465][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.785465][ T10] netlink_unicast+0x449/0x710 [ 3014.785465][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.785465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.785465][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.785465][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.785465][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.785465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.785465][ T10] [ 3014.787773][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3014.788258][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3014.788258][ T10] netdev_get_by_index+0x5e/0x80 [ 3014.788258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3014.788258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3014.788258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3014.788258][ T10] ipv6_add_addr+0x411/0x2000 [ 3014.788258][ T10] inet6_addr_add+0x30e/0xa40 [ 3014.788258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.788258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.788258][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.788258][ T10] netlink_unicast+0x449/0x710 [ 3014.788258][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.788258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.788258][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.788258][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.788258][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.788258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.788258][ T10] [ 3014.790263][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3014.790263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3014.790263][ T10] ipv6_find_idev+0x102/0x170 [ 3014.790263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.790263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.790263][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.790263][ T10] netlink_unicast+0x449/0x710 [ 3014.790263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.790263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.790263][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.790263][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.790263][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.790263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.790263][ T10] [ 3014.791789][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3014.791789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3014.791789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3014.791789][ T10] ipv6_find_idev+0x102/0x170 [ 3014.791789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.791789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.791789][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.791789][ T10] netlink_unicast+0x449/0x710 [ 3014.791789][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.791789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.791789][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.791789][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.791789][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.791789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.791789][ T10] [ 3014.793501][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3014.793772][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3014.793772][ T10] netdev_get_by_index+0x5e/0x80 [ 3014.793772][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3014.793772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3014.793772][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3014.793772][ T10] ipv6_add_addr+0x411/0x2000 [ 3014.793772][ T10] inet6_addr_add+0x30e/0xa40 [ 3014.793772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3014.793772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.793772][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.793772][ T10] netlink_unicast+0x449/0x710 [ 3014.793772][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.793772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.793772][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.793772][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.793772][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.793772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.793772][ T10] [ 3014.795939][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3014.795939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3014.795939][ T10] ipv6_find_idev+0x102/0x170 [ 3014.795939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.795939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.795939][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.795939][ T10] netlink_unicast+0x449/0x710 [ 3014.795939][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.795939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.795939][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.795939][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.795939][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.795939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.795939][ T10] [ 3014.797710][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3014.797710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3014.797710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3014.797710][ T10] ipv6_find_idev+0x102/0x170 [ 3014.797710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3014.797710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3014.797710][ T10] netlink_rcv_skb+0x130/0x360 [ 3014.797710][ T10] netlink_unicast+0x449/0x710 [ 3014.797710][ T10] netlink_sendmsg+0x723/0xbe0 [ 3014.797710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3014.797710][ T10] ___sys_sendmsg+0xee/0x170 [ 3014.797710][ T10] __sys_sendmsg+0xcd/0x170 [ 3014.797710][ T10] do_syscall_64+0xc6/0x1e0 [ 3014.797710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3014.797710][ T10] [ 3024.936194][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3024.936541][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3024.936541][ T10] netdev_get_by_index+0x5e/0x80 [ 3024.936541][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3024.936541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3024.936541][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3024.936541][ T10] ipv6_add_addr+0x411/0x2000 [ 3024.936541][ T10] inet6_addr_add+0x30e/0xa40 [ 3024.936541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.936541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.936541][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.936541][ T10] netlink_unicast+0x449/0x710 [ 3024.936541][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.936541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.936541][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.936541][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.936541][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.936541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.936541][ T10] [ 3024.938633][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3024.938633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3024.938633][ T10] ipv6_find_idev+0x102/0x170 [ 3024.938633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.938633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.938633][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.938633][ T10] netlink_unicast+0x449/0x710 [ 3024.938633][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.938633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.938633][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.938633][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.938633][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.938633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.938633][ T10] [ 3024.940216][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3024.940216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3024.940216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3024.940216][ T10] ipv6_find_idev+0x102/0x170 [ 3024.940216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.940216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.940216][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.940216][ T10] netlink_unicast+0x449/0x710 [ 3024.940216][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.940216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.940216][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.940216][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.940216][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.940216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.940216][ T10] [ 3024.941944][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3024.942247][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3024.942247][ T10] netdev_get_by_index+0x5e/0x80 [ 3024.942247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3024.942247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3024.942247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3024.942247][ T10] ipv6_add_addr+0x411/0x2000 [ 3024.942247][ T10] inet6_addr_add+0x30e/0xa40 [ 3024.942247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.942247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.942247][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.942247][ T10] netlink_unicast+0x449/0x710 [ 3024.942247][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.942247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.942247][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.942247][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.942247][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.942247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.942247][ T10] [ 3024.944281][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3024.944281][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3024.944281][ T10] ipv6_find_idev+0x102/0x170 [ 3024.944281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.944281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.944281][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.944281][ T10] netlink_unicast+0x449/0x710 [ 3024.944281][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.944281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.944281][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.944281][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.944281][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.944281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.944281][ T10] [ 3024.945848][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3024.945848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3024.945848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3024.945848][ T10] ipv6_find_idev+0x102/0x170 [ 3024.945848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.945848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.945848][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.945848][ T10] netlink_unicast+0x449/0x710 [ 3024.945848][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.945848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.945848][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.945848][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.945848][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.945848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.945848][ T10] [ 3024.947534][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3024.947804][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3024.947804][ T10] netdev_get_by_index+0x5e/0x80 [ 3024.947804][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3024.947804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3024.947804][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3024.947804][ T10] ipv6_add_addr+0x411/0x2000 [ 3024.947804][ T10] inet6_addr_add+0x30e/0xa40 [ 3024.947804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.947804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.947804][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.947804][ T10] netlink_unicast+0x449/0x710 [ 3024.947804][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.947804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.947804][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.947804][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.947804][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.947804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.947804][ T10] [ 3024.949839][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3024.949839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3024.949839][ T10] ipv6_find_idev+0x102/0x170 [ 3024.949839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.949839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.949839][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.949839][ T10] netlink_unicast+0x449/0x710 [ 3024.949839][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.949839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.949839][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.949839][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.949839][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.949839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.949839][ T10] [ 3024.951413][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3024.951413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3024.951413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3024.951413][ T10] ipv6_find_idev+0x102/0x170 [ 3024.951413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.951413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.951413][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.951413][ T10] netlink_unicast+0x449/0x710 [ 3024.951413][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.951413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.951413][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.951413][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.951413][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.951413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.951413][ T10] [ 3024.953531][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3024.953848][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3024.953848][ T10] netdev_get_by_index+0x5e/0x80 [ 3024.953848][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3024.953848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3024.953848][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3024.953848][ T10] ipv6_add_addr+0x411/0x2000 [ 3024.953848][ T10] inet6_addr_add+0x30e/0xa40 [ 3024.953848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.953848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.953848][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.953848][ T10] netlink_unicast+0x449/0x710 [ 3024.953848][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.953848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.953848][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.953848][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.953848][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.953848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.953848][ T10] [ 3024.955856][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3024.955856][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3024.955856][ T10] ipv6_find_idev+0x102/0x170 [ 3024.955856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.955856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.955856][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.955856][ T10] netlink_unicast+0x449/0x710 [ 3024.955856][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.955856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.955856][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.955856][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.955856][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.955856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.955856][ T10] [ 3024.957420][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3024.957420][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3024.957420][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3024.957420][ T10] ipv6_find_idev+0x102/0x170 [ 3024.957420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.957420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.957420][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.957420][ T10] netlink_unicast+0x449/0x710 [ 3024.957420][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.957420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.957420][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.957420][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.957420][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.957420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.957420][ T10] [ 3024.959156][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3024.959481][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3024.959481][ T10] netdev_get_by_index+0x5e/0x80 [ 3024.959481][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3024.959481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3024.959481][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3024.959481][ T10] ipv6_add_addr+0x411/0x2000 [ 3024.959481][ T10] inet6_addr_add+0x30e/0xa40 [ 3024.959481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.959481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.959481][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.959481][ T10] netlink_unicast+0x449/0x710 [ 3024.959481][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.959481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.959481][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.959481][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.959481][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.959481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.959481][ T10] [ 3024.961503][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3024.961503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3024.961503][ T10] ipv6_find_idev+0x102/0x170 [ 3024.961503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.961503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.961503][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.961503][ T10] netlink_unicast+0x449/0x710 [ 3024.961503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.961503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.961503][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.961503][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.961503][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.961503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.961503][ T10] [ 3024.963063][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3024.963063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3024.963063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3024.963063][ T10] ipv6_find_idev+0x102/0x170 [ 3024.963063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.963063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.963063][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.963063][ T10] netlink_unicast+0x449/0x710 [ 3024.963063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.963063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.963063][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.963063][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.963063][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.963063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.963063][ T10] [ 3024.964873][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3024.965201][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3024.965201][ T10] netdev_get_by_index+0x5e/0x80 [ 3024.965201][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3024.965201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3024.965201][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3024.965201][ T10] ipv6_add_addr+0x411/0x2000 [ 3024.965201][ T10] inet6_addr_add+0x30e/0xa40 [ 3024.965201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.965201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.965201][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.965201][ T10] netlink_unicast+0x449/0x710 [ 3024.965201][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.965201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.965201][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.965201][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.965201][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.965201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.965201][ T10] [ 3024.967414][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3024.967414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3024.967414][ T10] ipv6_find_idev+0x102/0x170 [ 3024.967414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.967414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.967414][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.967414][ T10] netlink_unicast+0x449/0x710 [ 3024.967414][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.967414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.967414][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.967414][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.967414][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.967414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.967414][ T10] [ 3024.969125][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3024.969125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3024.969125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3024.969125][ T10] ipv6_find_idev+0x102/0x170 [ 3024.969125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.969125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.969125][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.969125][ T10] netlink_unicast+0x449/0x710 [ 3024.969125][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.969125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.969125][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.969125][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.969125][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.969125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.969125][ T10] [ 3024.971068][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3024.971387][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3024.971387][ T10] netdev_get_by_index+0x5e/0x80 [ 3024.971387][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3024.971387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3024.971387][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3024.971387][ T10] ipv6_add_addr+0x411/0x2000 [ 3024.971387][ T10] inet6_addr_add+0x30e/0xa40 [ 3024.971387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.971387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.971387][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.971387][ T10] netlink_unicast+0x449/0x710 [ 3024.971387][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.971387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.971387][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.971387][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.971387][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.971387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.971387][ T10] [ 3024.973580][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3024.973580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3024.973580][ T10] ipv6_find_idev+0x102/0x170 [ 3024.973580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.973580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.973580][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.973580][ T10] netlink_unicast+0x449/0x710 [ 3024.973580][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.973580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.973580][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.973580][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.973580][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.973580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.973580][ T10] [ 3024.975347][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3024.975347][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3024.975347][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3024.975347][ T10] ipv6_find_idev+0x102/0x170 [ 3024.975347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.975347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.975347][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.975347][ T10] netlink_unicast+0x449/0x710 [ 3024.975347][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.975347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.975347][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.975347][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.975347][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.975347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.975347][ T10] [ 3024.977156][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3024.977545][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3024.977545][ T10] netdev_get_by_index+0x5e/0x80 [ 3024.977545][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3024.977545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3024.977545][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3024.977545][ T10] ipv6_add_addr+0x411/0x2000 [ 3024.977545][ T10] inet6_addr_add+0x30e/0xa40 [ 3024.977545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3024.977545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.977545][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.977545][ T10] netlink_unicast+0x449/0x710 [ 3024.977545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.977545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.977545][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.977545][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.977545][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.977545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.977545][ T10] [ 3024.979535][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3024.979535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3024.979535][ T10] ipv6_find_idev+0x102/0x170 [ 3024.979535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.979535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.979535][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.979535][ T10] netlink_unicast+0x449/0x710 [ 3024.979535][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.979535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.979535][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.979535][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.979535][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.979535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.979535][ T10] [ 3024.981120][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3024.981120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3024.981120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3024.981120][ T10] ipv6_find_idev+0x102/0x170 [ 3024.981120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3024.981120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3024.981120][ T10] netlink_rcv_skb+0x130/0x360 [ 3024.981120][ T10] netlink_unicast+0x449/0x710 [ 3024.981120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3024.981120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3024.981120][ T10] ___sys_sendmsg+0xee/0x170 [ 3024.981120][ T10] __sys_sendmsg+0xcd/0x170 [ 3024.981120][ T10] do_syscall_64+0xc6/0x1e0 [ 3024.981120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3024.981120][ T10] [ 3035.128304][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3035.128995][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3035.128995][ T10] netdev_get_by_index+0x5e/0x80 [ 3035.128995][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3035.128995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3035.128995][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3035.128995][ T10] ipv6_add_addr+0x411/0x2000 [ 3035.128995][ T10] inet6_addr_add+0x30e/0xa40 [ 3035.128995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.128995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.128995][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.128995][ T10] netlink_unicast+0x449/0x710 [ 3035.128995][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.128995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.128995][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.128995][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.128995][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.128995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.128995][ T10] [ 3035.131031][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3035.131031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3035.131031][ T10] ipv6_find_idev+0x102/0x170 [ 3035.131031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.131031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.131031][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.131031][ T10] netlink_unicast+0x449/0x710 [ 3035.131031][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.131031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.131031][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.131031][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.131031][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.131031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.131031][ T10] [ 3035.132602][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3035.132602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3035.132602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3035.132602][ T10] ipv6_find_idev+0x102/0x170 [ 3035.132602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.132602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.132602][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.132602][ T10] netlink_unicast+0x449/0x710 [ 3035.132602][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.132602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.132602][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.132602][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.132602][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.132602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.132602][ T10] [ 3035.134259][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3035.134532][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3035.134532][ T10] netdev_get_by_index+0x5e/0x80 [ 3035.134532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3035.134532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3035.134532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3035.134532][ T10] ipv6_add_addr+0x411/0x2000 [ 3035.134532][ T10] inet6_addr_add+0x30e/0xa40 [ 3035.134532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.134532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.134532][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.134532][ T10] netlink_unicast+0x449/0x710 [ 3035.134532][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.134532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.134532][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.134532][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.134532][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.134532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.134532][ T10] [ 3035.136525][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3035.136525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3035.136525][ T10] ipv6_find_idev+0x102/0x170 [ 3035.136525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.136525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.136525][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.136525][ T10] netlink_unicast+0x449/0x710 [ 3035.136525][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.136525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.136525][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.136525][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.136525][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.136525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.136525][ T10] [ 3035.138027][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3035.138027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3035.138027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3035.138027][ T10] ipv6_find_idev+0x102/0x170 [ 3035.138027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.138027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.138027][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.138027][ T10] netlink_unicast+0x449/0x710 [ 3035.138027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.138027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.138027][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.138027][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.138027][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.138027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.138027][ T10] [ 3035.139673][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3035.139938][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3035.139938][ T10] netdev_get_by_index+0x5e/0x80 [ 3035.139938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3035.139938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3035.139938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3035.139938][ T10] ipv6_add_addr+0x411/0x2000 [ 3035.139938][ T10] inet6_addr_add+0x30e/0xa40 [ 3035.139938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.139938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.139938][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.139938][ T10] netlink_unicast+0x449/0x710 [ 3035.139938][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.139938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.139938][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.139938][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.139938][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.139938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.139938][ T10] [ 3035.141960][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3035.141960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3035.141960][ T10] ipv6_find_idev+0x102/0x170 [ 3035.141960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.141960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.141960][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.141960][ T10] netlink_unicast+0x449/0x710 [ 3035.141960][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.141960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.141960][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.141960][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.141960][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.141960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.141960][ T10] [ 3035.143461][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3035.143461][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3035.143461][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3035.143461][ T10] ipv6_find_idev+0x102/0x170 [ 3035.143461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.143461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.143461][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.143461][ T10] netlink_unicast+0x449/0x710 [ 3035.143461][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.143461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.143461][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.143461][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.143461][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.143461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.143461][ T10] [ 3035.145111][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3035.145398][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3035.145398][ T10] netdev_get_by_index+0x5e/0x80 [ 3035.145398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3035.145398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3035.145398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3035.145398][ T10] ipv6_add_addr+0x411/0x2000 [ 3035.145398][ T10] inet6_addr_add+0x30e/0xa40 [ 3035.145398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.145398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.145398][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.145398][ T10] netlink_unicast+0x449/0x710 [ 3035.145398][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.145398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.145398][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.145398][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.145398][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.145398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.145398][ T10] [ 3035.147399][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3035.147399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3035.147399][ T10] ipv6_find_idev+0x102/0x170 [ 3035.147399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.147399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.147399][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.147399][ T10] netlink_unicast+0x449/0x710 [ 3035.147399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.147399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.147399][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.147399][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.147399][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.147399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.147399][ T10] [ 3035.148956][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3035.148956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3035.148956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3035.148956][ T10] ipv6_find_idev+0x102/0x170 [ 3035.148956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.148956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.148956][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.148956][ T10] netlink_unicast+0x449/0x710 [ 3035.148956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.148956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.148956][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.148956][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.148956][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.148956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.148956][ T10] [ 3035.150688][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3035.150963][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3035.150963][ T10] netdev_get_by_index+0x5e/0x80 [ 3035.150963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3035.150963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3035.150963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3035.150963][ T10] ipv6_add_addr+0x411/0x2000 [ 3035.150963][ T10] inet6_addr_add+0x30e/0xa40 [ 3035.150963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.150963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.150963][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.150963][ T10] netlink_unicast+0x449/0x710 [ 3035.150963][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.150963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.150963][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.150963][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.150963][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.150963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.150963][ T10] [ 3035.152962][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3035.152962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3035.152962][ T10] ipv6_find_idev+0x102/0x170 [ 3035.152962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.152962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.152962][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.152962][ T10] netlink_unicast+0x449/0x710 [ 3035.152962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.152962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.152962][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.152962][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.152962][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.152962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.152962][ T10] [ 3035.154478][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3035.154478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3035.154478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3035.154478][ T10] ipv6_find_idev+0x102/0x170 [ 3035.154478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.154478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.154478][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.154478][ T10] netlink_unicast+0x449/0x710 [ 3035.154478][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.154478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.154478][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.154478][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.154478][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.154478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.154478][ T10] [ 3035.156497][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3035.156765][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3035.156765][ T10] netdev_get_by_index+0x5e/0x80 [ 3035.156765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3035.156765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3035.156765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3035.156765][ T10] ipv6_add_addr+0x411/0x2000 [ 3035.156765][ T10] inet6_addr_add+0x30e/0xa40 [ 3035.156765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.156765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.156765][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.156765][ T10] netlink_unicast+0x449/0x710 [ 3035.156765][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.156765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.156765][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.156765][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.156765][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.156765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.156765][ T10] [ 3035.158945][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3035.158945][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3035.158945][ T10] ipv6_find_idev+0x102/0x170 [ 3035.158945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.158945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.158945][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.158945][ T10] netlink_unicast+0x449/0x710 [ 3035.158945][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.158945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.158945][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.158945][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.158945][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.158945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.158945][ T10] [ 3035.160676][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3035.160676][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3035.160676][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3035.160676][ T10] ipv6_find_idev+0x102/0x170 [ 3035.160676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.160676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.160676][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.160676][ T10] netlink_unicast+0x449/0x710 [ 3035.160676][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.160676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.160676][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.160676][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.160676][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.160676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.160676][ T10] [ 3035.162632][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3035.162894][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3035.162894][ T10] netdev_get_by_index+0x5e/0x80 [ 3035.162894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3035.162894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3035.162894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3035.162894][ T10] ipv6_add_addr+0x411/0x2000 [ 3035.162894][ T10] inet6_addr_add+0x30e/0xa40 [ 3035.162894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.162894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.162894][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.162894][ T10] netlink_unicast+0x449/0x710 [ 3035.162894][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.162894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.162894][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.162894][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.162894][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.162894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.162894][ T10] [ 3035.165038][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3035.165038][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3035.165038][ T10] ipv6_find_idev+0x102/0x170 [ 3035.165038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.165038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.165038][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.165038][ T10] netlink_unicast+0x449/0x710 [ 3035.165038][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.165038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.165038][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.165038][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.165038][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.165038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.165038][ T10] [ 3035.166818][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3035.166818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3035.166818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3035.166818][ T10] ipv6_find_idev+0x102/0x170 [ 3035.166818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.166818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.166818][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.166818][ T10] netlink_unicast+0x449/0x710 [ 3035.166818][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.166818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.166818][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.166818][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.166818][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.166818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.166818][ T10] [ 3035.168754][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3035.169027][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3035.169027][ T10] netdev_get_by_index+0x5e/0x80 [ 3035.169027][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3035.169027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3035.169027][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3035.169027][ T10] ipv6_add_addr+0x411/0x2000 [ 3035.169027][ T10] inet6_addr_add+0x30e/0xa40 [ 3035.169027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3035.169027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.169027][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.169027][ T10] netlink_unicast+0x449/0x710 [ 3035.169027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.169027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.169027][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.169027][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.169027][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.169027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.169027][ T10] [ 3035.171196][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3035.171196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3035.171196][ T10] ipv6_find_idev+0x102/0x170 [ 3035.171196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.171196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.171196][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.171196][ T10] netlink_unicast+0x449/0x710 [ 3035.171196][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.171196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.171196][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.171196][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.171196][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.171196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.171196][ T10] [ 3035.172889][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3035.172889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3035.172889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3035.172889][ T10] ipv6_find_idev+0x102/0x170 [ 3035.172889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3035.172889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3035.172889][ T10] netlink_rcv_skb+0x130/0x360 [ 3035.172889][ T10] netlink_unicast+0x449/0x710 [ 3035.172889][ T10] netlink_sendmsg+0x723/0xbe0 [ 3035.172889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3035.172889][ T10] ___sys_sendmsg+0xee/0x170 [ 3035.172889][ T10] __sys_sendmsg+0xcd/0x170 [ 3035.172889][ T10] do_syscall_64+0xc6/0x1e0 [ 3035.172889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3035.172889][ T10] [ 3045.408295][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3045.408956][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3045.408956][ T10] netdev_get_by_index+0x5e/0x80 [ 3045.408956][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3045.408956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3045.408956][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3045.408956][ T10] ipv6_add_addr+0x411/0x2000 [ 3045.408956][ T10] inet6_addr_add+0x30e/0xa40 [ 3045.408956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.408956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.408956][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.408956][ T10] netlink_unicast+0x449/0x710 [ 3045.408956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.408956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.408956][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.408956][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.408956][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.408956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.408956][ T10] [ 3045.411012][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3045.411012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3045.411012][ T10] ipv6_find_idev+0x102/0x170 [ 3045.411012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.411012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.411012][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.411012][ T10] netlink_unicast+0x449/0x710 [ 3045.411012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.411012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.411012][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.411012][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.411012][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.411012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.411012][ T10] [ 3045.412512][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3045.412512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3045.412512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3045.412512][ T10] ipv6_find_idev+0x102/0x170 [ 3045.412512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.412512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.412512][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.412512][ T10] netlink_unicast+0x449/0x710 [ 3045.412512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.412512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.412512][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.412512][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.412512][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.412512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.412512][ T10] [ 3045.414171][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3045.414452][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3045.414452][ T10] netdev_get_by_index+0x5e/0x80 [ 3045.414452][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3045.414452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3045.414452][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3045.414452][ T10] ipv6_add_addr+0x411/0x2000 [ 3045.414452][ T10] inet6_addr_add+0x30e/0xa40 [ 3045.414452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.414452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.414452][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.414452][ T10] netlink_unicast+0x449/0x710 [ 3045.414452][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.414452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.414452][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.414452][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.414452][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.414452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.414452][ T10] [ 3045.416491][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3045.416491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3045.416491][ T10] ipv6_find_idev+0x102/0x170 [ 3045.416491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.416491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.416491][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.416491][ T10] netlink_unicast+0x449/0x710 [ 3045.416491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.416491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.416491][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.416491][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.416491][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.416491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.416491][ T10] [ 3045.418007][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3045.418007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3045.418007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3045.418007][ T10] ipv6_find_idev+0x102/0x170 [ 3045.418007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.418007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.418007][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.418007][ T10] netlink_unicast+0x449/0x710 [ 3045.418007][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.418007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.418007][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.418007][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.418007][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.418007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.418007][ T10] [ 3045.419647][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3045.419937][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3045.419937][ T10] netdev_get_by_index+0x5e/0x80 [ 3045.419937][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3045.419937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3045.419937][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3045.419937][ T10] ipv6_add_addr+0x411/0x2000 [ 3045.419937][ T10] inet6_addr_add+0x30e/0xa40 [ 3045.419937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.419937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.419937][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.419937][ T10] netlink_unicast+0x449/0x710 [ 3045.419937][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.419937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.419937][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.419937][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.419937][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.419937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.419937][ T10] [ 3045.421967][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3045.421967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3045.421967][ T10] ipv6_find_idev+0x102/0x170 [ 3045.421967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.421967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.421967][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.421967][ T10] netlink_unicast+0x449/0x710 [ 3045.421967][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.421967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.421967][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.421967][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.421967][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.421967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.421967][ T10] [ 3045.423466][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3045.423466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3045.423466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3045.423466][ T10] ipv6_find_idev+0x102/0x170 [ 3045.423466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.423466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.423466][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.423466][ T10] netlink_unicast+0x449/0x710 [ 3045.423466][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.423466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.423466][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.423466][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.423466][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.423466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.423466][ T10] [ 3045.425143][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3045.425417][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3045.425417][ T10] netdev_get_by_index+0x5e/0x80 [ 3045.425417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3045.425417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3045.425417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3045.425417][ T10] ipv6_add_addr+0x411/0x2000 [ 3045.425417][ T10] inet6_addr_add+0x30e/0xa40 [ 3045.425417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.425417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.425417][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.425417][ T10] netlink_unicast+0x449/0x710 [ 3045.425417][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.425417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.425417][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.425417][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.425417][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.425417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.425417][ T10] [ 3045.427444][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3045.427444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3045.427444][ T10] ipv6_find_idev+0x102/0x170 [ 3045.427444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.427444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.427444][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.427444][ T10] netlink_unicast+0x449/0x710 [ 3045.427444][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.427444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.427444][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.427444][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.427444][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.427444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.427444][ T10] [ 3045.428959][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3045.428959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3045.428959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3045.428959][ T10] ipv6_find_idev+0x102/0x170 [ 3045.428959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.428959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.428959][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.428959][ T10] netlink_unicast+0x449/0x710 [ 3045.428959][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.428959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.428959][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.428959][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.428959][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.428959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.428959][ T10] [ 3045.430584][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3045.430839][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3045.430839][ T10] netdev_get_by_index+0x5e/0x80 [ 3045.430839][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3045.430839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3045.430839][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3045.430839][ T10] ipv6_add_addr+0x411/0x2000 [ 3045.430839][ T10] inet6_addr_add+0x30e/0xa40 [ 3045.430839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.430839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.430839][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.430839][ T10] netlink_unicast+0x449/0x710 [ 3045.430839][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.430839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.430839][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.430839][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.430839][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.430839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.430839][ T10] [ 3045.432752][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3045.432752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3045.432752][ T10] ipv6_find_idev+0x102/0x170 [ 3045.432752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.432752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.432752][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.432752][ T10] netlink_unicast+0x449/0x710 [ 3045.432752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.432752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.432752][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.432752][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.432752][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.432752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.432752][ T10] [ 3045.434338][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3045.434338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3045.434338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3045.434338][ T10] ipv6_find_idev+0x102/0x170 [ 3045.434338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.434338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.434338][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.434338][ T10] netlink_unicast+0x449/0x710 [ 3045.434338][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.434338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.434338][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.434338][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.434338][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.434338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.434338][ T10] [ 3045.436207][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3045.436470][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3045.436470][ T10] netdev_get_by_index+0x5e/0x80 [ 3045.436470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3045.436470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3045.436470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3045.436470][ T10] ipv6_add_addr+0x411/0x2000 [ 3045.436470][ T10] inet6_addr_add+0x30e/0xa40 [ 3045.436470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.436470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.436470][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.436470][ T10] netlink_unicast+0x449/0x710 [ 3045.436470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.436470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.436470][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.436470][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.436470][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.436470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.436470][ T10] [ 3045.438669][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3045.438669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3045.438669][ T10] ipv6_find_idev+0x102/0x170 [ 3045.438669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.438669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.438669][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.438669][ T10] netlink_unicast+0x449/0x710 [ 3045.438669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.438669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.438669][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.438669][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.438669][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.438669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.438669][ T10] [ 3045.440425][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3045.440425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3045.440425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3045.440425][ T10] ipv6_find_idev+0x102/0x170 [ 3045.440425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.440425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.440425][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.440425][ T10] netlink_unicast+0x449/0x710 [ 3045.440425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.440425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.440425][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.440425][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.440425][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.440425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.440425][ T10] [ 3045.442352][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3045.442620][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3045.442620][ T10] netdev_get_by_index+0x5e/0x80 [ 3045.442620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3045.442620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3045.442620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3045.442620][ T10] ipv6_add_addr+0x411/0x2000 [ 3045.442620][ T10] inet6_addr_add+0x30e/0xa40 [ 3045.442620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.442620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.442620][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.442620][ T10] netlink_unicast+0x449/0x710 [ 3045.442620][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.442620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.442620][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.442620][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.442620][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.442620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.442620][ T10] [ 3045.444810][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3045.444810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3045.444810][ T10] ipv6_find_idev+0x102/0x170 [ 3045.444810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.444810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.444810][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.444810][ T10] netlink_unicast+0x449/0x710 [ 3045.444810][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.444810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.444810][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.444810][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.444810][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.444810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.444810][ T10] [ 3045.446493][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3045.446493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3045.446493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3045.446493][ T10] ipv6_find_idev+0x102/0x170 [ 3045.446493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.446493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.446493][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.446493][ T10] netlink_unicast+0x449/0x710 [ 3045.446493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.446493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.446493][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.446493][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.446493][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.446493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.446493][ T10] [ 3045.448372][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3045.448640][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3045.448640][ T10] netdev_get_by_index+0x5e/0x80 [ 3045.448640][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3045.448640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3045.448640][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3045.448640][ T10] ipv6_add_addr+0x411/0x2000 [ 3045.448640][ T10] inet6_addr_add+0x30e/0xa40 [ 3045.448640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3045.448640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.448640][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.448640][ T10] netlink_unicast+0x449/0x710 [ 3045.448640][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.448640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.448640][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.448640][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.448640][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.448640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.448640][ T10] [ 3045.450912][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3045.450912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3045.450912][ T10] ipv6_find_idev+0x102/0x170 [ 3045.450912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.450912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.450912][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.450912][ T10] netlink_unicast+0x449/0x710 [ 3045.450912][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.450912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.450912][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.450912][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.450912][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.450912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.450912][ T10] [ 3045.452540][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3045.452540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3045.452540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3045.452540][ T10] ipv6_find_idev+0x102/0x170 [ 3045.452540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3045.452540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3045.452540][ T10] netlink_rcv_skb+0x130/0x360 [ 3045.452540][ T10] netlink_unicast+0x449/0x710 [ 3045.452540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3045.452540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3045.452540][ T10] ___sys_sendmsg+0xee/0x170 [ 3045.452540][ T10] __sys_sendmsg+0xcd/0x170 [ 3045.452540][ T10] do_syscall_64+0xc6/0x1e0 [ 3045.452540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3045.452540][ T10] [ 3055.696281][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3055.696760][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3055.696760][ T10] netdev_get_by_index+0x5e/0x80 [ 3055.696760][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3055.696760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3055.696760][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3055.696760][ T10] ipv6_add_addr+0x411/0x2000 [ 3055.696760][ T10] inet6_addr_add+0x30e/0xa40 [ 3055.696760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.696760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.696760][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.696760][ T10] netlink_unicast+0x449/0x710 [ 3055.696760][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.696760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.696760][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.696760][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.696760][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.696760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.696760][ T10] [ 3055.698753][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3055.698753][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3055.698753][ T10] ipv6_find_idev+0x102/0x170 [ 3055.698753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.698753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.698753][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.698753][ T10] netlink_unicast+0x449/0x710 [ 3055.698753][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.698753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.698753][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.698753][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.698753][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.698753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.698753][ T10] [ 3055.700243][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3055.700243][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3055.700243][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3055.700243][ T10] ipv6_find_idev+0x102/0x170 [ 3055.700243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.700243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.700243][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.700243][ T10] netlink_unicast+0x449/0x710 [ 3055.700243][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.700243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.700243][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.700243][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.700243][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.700243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.700243][ T10] [ 3055.701965][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3055.702267][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3055.702267][ T10] netdev_get_by_index+0x5e/0x80 [ 3055.702267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3055.702267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3055.702267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3055.702267][ T10] ipv6_add_addr+0x411/0x2000 [ 3055.702267][ T10] inet6_addr_add+0x30e/0xa40 [ 3055.702267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.702267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.702267][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.702267][ T10] netlink_unicast+0x449/0x710 [ 3055.702267][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.702267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.702267][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.702267][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.702267][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.702267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.702267][ T10] [ 3055.704253][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3055.704253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3055.704253][ T10] ipv6_find_idev+0x102/0x170 [ 3055.704253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.704253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.704253][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.704253][ T10] netlink_unicast+0x449/0x710 [ 3055.704253][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.704253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.704253][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.704253][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.704253][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.704253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.704253][ T10] [ 3055.705782][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3055.705782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3055.705782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3055.705782][ T10] ipv6_find_idev+0x102/0x170 [ 3055.705782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.705782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.705782][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.705782][ T10] netlink_unicast+0x449/0x710 [ 3055.705782][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.705782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.705782][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.705782][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.705782][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.705782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.705782][ T10] [ 3055.707457][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3055.707721][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3055.707721][ T10] netdev_get_by_index+0x5e/0x80 [ 3055.707721][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3055.707721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3055.707721][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3055.707721][ T10] ipv6_add_addr+0x411/0x2000 [ 3055.707721][ T10] inet6_addr_add+0x30e/0xa40 [ 3055.707721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.707721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.707721][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.707721][ T10] netlink_unicast+0x449/0x710 [ 3055.707721][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.707721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.707721][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.707721][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.707721][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.707721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.707721][ T10] [ 3055.709727][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3055.709727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3055.709727][ T10] ipv6_find_idev+0x102/0x170 [ 3055.709727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.709727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.709727][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.709727][ T10] netlink_unicast+0x449/0x710 [ 3055.709727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.709727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.709727][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.709727][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.709727][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.709727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.709727][ T10] [ 3055.711284][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3055.711284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3055.711284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3055.711284][ T10] ipv6_find_idev+0x102/0x170 [ 3055.711284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.711284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.711284][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.711284][ T10] netlink_unicast+0x449/0x710 [ 3055.711284][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.711284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.711284][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.711284][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.711284][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.711284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.711284][ T10] [ 3055.712940][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3055.713669][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3055.713669][ T10] netdev_get_by_index+0x5e/0x80 [ 3055.713669][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3055.713669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3055.713669][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3055.713669][ T10] ipv6_add_addr+0x411/0x2000 [ 3055.713669][ T10] inet6_addr_add+0x30e/0xa40 [ 3055.713669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.713669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.713669][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.713669][ T10] netlink_unicast+0x449/0x710 [ 3055.713669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.713669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.713669][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.713669][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.713669][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.713669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.713669][ T10] [ 3055.715647][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3055.715647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3055.715647][ T10] ipv6_find_idev+0x102/0x170 [ 3055.715647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.715647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.715647][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.715647][ T10] netlink_unicast+0x449/0x710 [ 3055.715647][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.715647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.715647][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.715647][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.715647][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.715647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.715647][ T10] [ 3055.717160][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3055.717160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3055.717160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3055.717160][ T10] ipv6_find_idev+0x102/0x170 [ 3055.717160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.717160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.717160][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.717160][ T10] netlink_unicast+0x449/0x710 [ 3055.717160][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.717160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.717160][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.717160][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.717160][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.717160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.717160][ T10] [ 3055.718852][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3055.719123][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3055.719123][ T10] netdev_get_by_index+0x5e/0x80 [ 3055.719123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3055.719123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3055.719123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3055.719123][ T10] ipv6_add_addr+0x411/0x2000 [ 3055.719123][ T10] inet6_addr_add+0x30e/0xa40 [ 3055.719123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.719123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.719123][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.719123][ T10] netlink_unicast+0x449/0x710 [ 3055.719123][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.719123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.719123][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.719123][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.719123][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.719123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.719123][ T10] [ 3055.721118][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3055.721118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3055.721118][ T10] ipv6_find_idev+0x102/0x170 [ 3055.721118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.721118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.721118][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.721118][ T10] netlink_unicast+0x449/0x710 [ 3055.721118][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.721118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.721118][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.721118][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.721118][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.721118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.721118][ T10] [ 3055.722657][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3055.722657][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3055.722657][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3055.722657][ T10] ipv6_find_idev+0x102/0x170 [ 3055.722657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.722657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.722657][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.722657][ T10] netlink_unicast+0x449/0x710 [ 3055.722657][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.722657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.722657][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.722657][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.722657][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.722657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.722657][ T10] [ 3055.724354][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3055.724621][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3055.724621][ T10] netdev_get_by_index+0x5e/0x80 [ 3055.724621][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3055.724621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3055.724621][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3055.724621][ T10] ipv6_add_addr+0x411/0x2000 [ 3055.724621][ T10] inet6_addr_add+0x30e/0xa40 [ 3055.724621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.724621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.724621][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.724621][ T10] netlink_unicast+0x449/0x710 [ 3055.724621][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.724621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.724621][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.724621][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.724621][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.724621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.724621][ T10] [ 3055.726645][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3055.726645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3055.726645][ T10] ipv6_find_idev+0x102/0x170 [ 3055.726645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.726645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.726645][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.726645][ T10] netlink_unicast+0x449/0x710 [ 3055.726645][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.726645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.726645][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.726645][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.726645][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.726645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.726645][ T10] [ 3055.728407][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3055.728407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3055.728407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3055.728407][ T10] ipv6_find_idev+0x102/0x170 [ 3055.728407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.728407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.728407][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.728407][ T10] netlink_unicast+0x449/0x710 [ 3055.728407][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.728407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.728407][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.728407][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.728407][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.728407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.728407][ T10] [ 3055.730279][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3055.730552][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3055.730552][ T10] netdev_get_by_index+0x5e/0x80 [ 3055.730552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3055.730552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3055.730552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3055.730552][ T10] ipv6_add_addr+0x411/0x2000 [ 3055.730552][ T10] inet6_addr_add+0x30e/0xa40 [ 3055.730552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.730552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.730552][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.730552][ T10] netlink_unicast+0x449/0x710 [ 3055.730552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.730552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.730552][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.730552][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.730552][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.730552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.730552][ T10] [ 3055.732759][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3055.732759][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3055.732759][ T10] ipv6_find_idev+0x102/0x170 [ 3055.732759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.732759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.732759][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.732759][ T10] netlink_unicast+0x449/0x710 [ 3055.732759][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.732759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.732759][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.732759][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.732759][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.732759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.732759][ T10] [ 3055.734467][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3055.734467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3055.734467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3055.734467][ T10] ipv6_find_idev+0x102/0x170 [ 3055.734467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.734467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.734467][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.734467][ T10] netlink_unicast+0x449/0x710 [ 3055.734467][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.734467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.734467][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.734467][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.734467][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.734467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.734467][ T10] [ 3055.736398][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3055.736719][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3055.736719][ T10] netdev_get_by_index+0x5e/0x80 [ 3055.736719][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3055.736719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3055.736719][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3055.736719][ T10] ipv6_add_addr+0x411/0x2000 [ 3055.736719][ T10] inet6_addr_add+0x30e/0xa40 [ 3055.736719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3055.736719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.736719][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.736719][ T10] netlink_unicast+0x449/0x710 [ 3055.736719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.736719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.736719][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.736719][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.736719][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.736719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.736719][ T10] [ 3055.738926][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3055.738926][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3055.738926][ T10] ipv6_find_idev+0x102/0x170 [ 3055.738926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.738926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.738926][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.738926][ T10] netlink_unicast+0x449/0x710 [ 3055.738926][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.738926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.738926][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.738926][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.738926][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.738926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.738926][ T10] [ 3055.740637][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3055.740637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3055.740637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3055.740637][ T10] ipv6_find_idev+0x102/0x170 [ 3055.740637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3055.740637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3055.740637][ T10] netlink_rcv_skb+0x130/0x360 [ 3055.740637][ T10] netlink_unicast+0x449/0x710 [ 3055.740637][ T10] netlink_sendmsg+0x723/0xbe0 [ 3055.740637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3055.740637][ T10] ___sys_sendmsg+0xee/0x170 [ 3055.740637][ T10] __sys_sendmsg+0xcd/0x170 [ 3055.740637][ T10] do_syscall_64+0xc6/0x1e0 [ 3055.740637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3055.740637][ T10] [ 3065.984286][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3065.985072][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3065.985072][ T10] netdev_get_by_index+0x5e/0x80 [ 3065.985072][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3065.985072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3065.985072][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3065.985072][ T10] ipv6_add_addr+0x411/0x2000 [ 3065.985072][ T10] inet6_addr_add+0x30e/0xa40 [ 3065.985072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.985072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.985072][ T10] netlink_rcv_skb+0x130/0x360 [ 3065.985072][ T10] netlink_unicast+0x449/0x710 [ 3065.985072][ T10] netlink_sendmsg+0x723/0xbe0 [ 3065.985072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3065.985072][ T10] ___sys_sendmsg+0xee/0x170 [ 3065.985072][ T10] __sys_sendmsg+0xcd/0x170 [ 3065.985072][ T10] do_syscall_64+0xc6/0x1e0 [ 3065.985072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.985072][ T10] [ 3065.987030][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3065.987030][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3065.987030][ T10] ipv6_find_idev+0x102/0x170 [ 3065.987030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.987030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.987030][ T10] netlink_rcv_skb+0x130/0x360 [ 3065.987030][ T10] netlink_unicast+0x449/0x710 [ 3065.987030][ T10] netlink_sendmsg+0x723/0xbe0 [ 3065.987030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3065.987030][ T10] ___sys_sendmsg+0xee/0x170 [ 3065.987030][ T10] __sys_sendmsg+0xcd/0x170 [ 3065.987030][ T10] do_syscall_64+0xc6/0x1e0 [ 3065.987030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.987030][ T10] [ 3065.988517][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3065.988517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3065.988517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3065.988517][ T10] ipv6_find_idev+0x102/0x170 [ 3065.988517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.988517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.988517][ T10] netlink_rcv_skb+0x130/0x360 [ 3065.988517][ T10] netlink_unicast+0x449/0x710 [ 3065.988517][ T10] netlink_sendmsg+0x723/0xbe0 [ 3065.988517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3065.988517][ T10] ___sys_sendmsg+0xee/0x170 [ 3065.988517][ T10] __sys_sendmsg+0xcd/0x170 [ 3065.988517][ T10] do_syscall_64+0xc6/0x1e0 [ 3065.988517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.988517][ T10] [ 3065.990188][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3065.990500][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3065.990500][ T10] netdev_get_by_index+0x5e/0x80 [ 3065.990500][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3065.990500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3065.990500][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3065.990500][ T10] ipv6_add_addr+0x411/0x2000 [ 3065.990500][ T10] inet6_addr_add+0x30e/0xa40 [ 3065.990500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.990500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.990500][ T10] netlink_rcv_skb+0x130/0x360 [ 3065.990500][ T10] netlink_unicast+0x449/0x710 [ 3065.990500][ T10] netlink_sendmsg+0x723/0xbe0 [ 3065.990500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3065.990500][ T10] ___sys_sendmsg+0xee/0x170 [ 3065.990500][ T10] __sys_sendmsg+0xcd/0x170 [ 3065.990500][ T10] do_syscall_64+0xc6/0x1e0 [ 3065.990500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.990500][ T10] [ 3065.992425][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3065.992425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3065.992425][ T10] ipv6_find_idev+0x102/0x170 [ 3065.992425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.992425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.992425][ T10] netlink_rcv_skb+0x130/0x360 [ 3065.992425][ T10] netlink_unicast+0x449/0x710 [ 3065.992425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3065.992425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3065.992425][ T10] ___sys_sendmsg+0xee/0x170 [ 3065.992425][ T10] __sys_sendmsg+0xcd/0x170 [ 3065.992425][ T10] do_syscall_64+0xc6/0x1e0 [ 3065.992425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.992425][ T10] [ 3065.993907][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3065.993907][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3065.993907][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3065.993907][ T10] ipv6_find_idev+0x102/0x170 [ 3065.993907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.993907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.993907][ T10] netlink_rcv_skb+0x130/0x360 [ 3065.993907][ T10] netlink_unicast+0x449/0x710 [ 3065.993907][ T10] netlink_sendmsg+0x723/0xbe0 [ 3065.993907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3065.993907][ T10] ___sys_sendmsg+0xee/0x170 [ 3065.993907][ T10] __sys_sendmsg+0xcd/0x170 [ 3065.993907][ T10] do_syscall_64+0xc6/0x1e0 [ 3065.993907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.993907][ T10] [ 3065.995574][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3065.995861][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3065.995861][ T10] netdev_get_by_index+0x5e/0x80 [ 3065.995861][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3065.995861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3065.995861][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3065.995861][ T10] ipv6_add_addr+0x411/0x2000 [ 3065.995861][ T10] inet6_addr_add+0x30e/0xa40 [ 3065.995861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3065.995861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.995861][ T10] netlink_rcv_skb+0x130/0x360 [ 3065.995861][ T10] netlink_unicast+0x449/0x710 [ 3065.995861][ T10] netlink_sendmsg+0x723/0xbe0 [ 3065.995861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3065.995861][ T10] ___sys_sendmsg+0xee/0x170 [ 3065.995861][ T10] __sys_sendmsg+0xcd/0x170 [ 3065.995861][ T10] do_syscall_64+0xc6/0x1e0 [ 3065.995861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.995861][ T10] [ 3065.997822][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3065.997822][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3065.997822][ T10] ipv6_find_idev+0x102/0x170 [ 3065.997822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.997822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.997822][ T10] netlink_rcv_skb+0x130/0x360 [ 3065.997822][ T10] netlink_unicast+0x449/0x710 [ 3065.997822][ T10] netlink_sendmsg+0x723/0xbe0 [ 3065.997822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3065.997822][ T10] ___sys_sendmsg+0xee/0x170 [ 3065.997822][ T10] __sys_sendmsg+0xcd/0x170 [ 3065.997822][ T10] do_syscall_64+0xc6/0x1e0 [ 3065.997822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.997822][ T10] [ 3065.999377][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3065.999377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3065.999377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3065.999377][ T10] ipv6_find_idev+0x102/0x170 [ 3065.999377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3065.999377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3065.999377][ T10] netlink_rcv_skb+0x130/0x360 [ 3065.999377][ T10] netlink_unicast+0x449/0x710 [ 3065.999377][ T10] netlink_sendmsg+0x723/0xbe0 [ 3065.999377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3065.999377][ T10] ___sys_sendmsg+0xee/0x170 [ 3065.999377][ T10] __sys_sendmsg+0xcd/0x170 [ 3065.999377][ T10] do_syscall_64+0xc6/0x1e0 [ 3065.999377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3065.999377][ T10] [ 3066.001067][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3066.001338][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3066.001338][ T10] netdev_get_by_index+0x5e/0x80 [ 3066.001338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3066.001338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3066.001338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3066.001338][ T10] ipv6_add_addr+0x411/0x2000 [ 3066.001338][ T10] inet6_addr_add+0x30e/0xa40 [ 3066.001338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.001338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.001338][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.001338][ T10] netlink_unicast+0x449/0x710 [ 3066.001338][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.001338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.001338][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.001338][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.001338][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.001338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.001338][ T10] [ 3066.003328][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3066.003328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3066.003328][ T10] ipv6_find_idev+0x102/0x170 [ 3066.003328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.003328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.003328][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.003328][ T10] netlink_unicast+0x449/0x710 [ 3066.003328][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.003328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.003328][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.003328][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.003328][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.003328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.003328][ T10] [ 3066.004858][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3066.004858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3066.004858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3066.004858][ T10] ipv6_find_idev+0x102/0x170 [ 3066.004858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.004858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.004858][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.004858][ T10] netlink_unicast+0x449/0x710 [ 3066.004858][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.004858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.004858][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.004858][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.004858][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.004858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.004858][ T10] [ 3066.006593][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3066.006863][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3066.006863][ T10] netdev_get_by_index+0x5e/0x80 [ 3066.006863][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3066.006863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3066.006863][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3066.006863][ T10] ipv6_add_addr+0x411/0x2000 [ 3066.006863][ T10] inet6_addr_add+0x30e/0xa40 [ 3066.006863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.006863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.006863][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.006863][ T10] netlink_unicast+0x449/0x710 [ 3066.006863][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.006863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.006863][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.006863][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.006863][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.006863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.006863][ T10] [ 3066.008841][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3066.008841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3066.008841][ T10] ipv6_find_idev+0x102/0x170 [ 3066.008841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.008841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.008841][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.008841][ T10] netlink_unicast+0x449/0x710 [ 3066.008841][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.008841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.008841][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.008841][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.008841][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.008841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.008841][ T10] [ 3066.010388][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3066.010388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3066.010388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3066.010388][ T10] ipv6_find_idev+0x102/0x170 [ 3066.010388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.010388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.010388][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.010388][ T10] netlink_unicast+0x449/0x710 [ 3066.010388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.010388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.010388][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.010388][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.010388][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.010388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.010388][ T10] [ 3066.012361][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3066.012622][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3066.012622][ T10] netdev_get_by_index+0x5e/0x80 [ 3066.012622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3066.012622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3066.012622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3066.012622][ T10] ipv6_add_addr+0x411/0x2000 [ 3066.012622][ T10] inet6_addr_add+0x30e/0xa40 [ 3066.012622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.012622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.012622][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.012622][ T10] netlink_unicast+0x449/0x710 [ 3066.012622][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.012622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.012622][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.012622][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.012622][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.012622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.012622][ T10] [ 3066.014748][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3066.014748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3066.014748][ T10] ipv6_find_idev+0x102/0x170 [ 3066.014748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.014748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.014748][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.014748][ T10] netlink_unicast+0x449/0x710 [ 3066.014748][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.014748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.014748][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.014748][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.014748][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.014748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.014748][ T10] [ 3066.016462][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3066.016462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3066.016462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3066.016462][ T10] ipv6_find_idev+0x102/0x170 [ 3066.016462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.016462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.016462][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.016462][ T10] netlink_unicast+0x449/0x710 [ 3066.016462][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.016462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.016462][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.016462][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.016462][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.016462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.016462][ T10] [ 3066.018360][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3066.018643][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3066.018643][ T10] netdev_get_by_index+0x5e/0x80 [ 3066.018643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3066.018643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3066.018643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3066.018643][ T10] ipv6_add_addr+0x411/0x2000 [ 3066.018643][ T10] inet6_addr_add+0x30e/0xa40 [ 3066.018643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.018643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.018643][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.018643][ T10] netlink_unicast+0x449/0x710 [ 3066.018643][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.018643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.018643][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.018643][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.018643][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.018643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.018643][ T10] [ 3066.020799][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3066.020799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3066.020799][ T10] ipv6_find_idev+0x102/0x170 [ 3066.020799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.020799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.020799][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.020799][ T10] netlink_unicast+0x449/0x710 [ 3066.020799][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.020799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.020799][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.020799][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.020799][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.020799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.020799][ T10] [ 3066.022509][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3066.022509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3066.022509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3066.022509][ T10] ipv6_find_idev+0x102/0x170 [ 3066.022509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.022509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.022509][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.022509][ T10] netlink_unicast+0x449/0x710 [ 3066.022509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.022509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.022509][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.022509][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.022509][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.022509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.022509][ T10] [ 3066.024368][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3066.024623][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3066.024623][ T10] netdev_get_by_index+0x5e/0x80 [ 3066.024623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3066.024623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3066.024623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3066.024623][ T10] ipv6_add_addr+0x411/0x2000 [ 3066.024623][ T10] inet6_addr_add+0x30e/0xa40 [ 3066.024623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3066.024623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.024623][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.024623][ T10] netlink_unicast+0x449/0x710 [ 3066.024623][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.024623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.024623][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.024623][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.024623][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.024623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.024623][ T10] [ 3066.026802][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3066.026802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3066.026802][ T10] ipv6_find_idev+0x102/0x170 [ 3066.026802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.026802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.026802][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.026802][ T10] netlink_unicast+0x449/0x710 [ 3066.026802][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.026802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.026802][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.026802][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.026802][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.026802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.026802][ T10] [ 3066.028501][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3066.028501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3066.028501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3066.028501][ T10] ipv6_find_idev+0x102/0x170 [ 3066.028501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3066.028501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3066.028501][ T10] netlink_rcv_skb+0x130/0x360 [ 3066.028501][ T10] netlink_unicast+0x449/0x710 [ 3066.028501][ T10] netlink_sendmsg+0x723/0xbe0 [ 3066.028501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3066.028501][ T10] ___sys_sendmsg+0xee/0x170 [ 3066.028501][ T10] __sys_sendmsg+0xcd/0x170 [ 3066.028501][ T10] do_syscall_64+0xc6/0x1e0 [ 3066.028501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3066.028501][ T10] [ 3076.200306][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3076.201230][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3076.201230][ T10] netdev_get_by_index+0x5e/0x80 [ 3076.201230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3076.201230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3076.201230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3076.201230][ T10] ipv6_add_addr+0x411/0x2000 [ 3076.201230][ T10] inet6_addr_add+0x30e/0xa40 [ 3076.201230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.201230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.201230][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.201230][ T10] netlink_unicast+0x449/0x710 [ 3076.201230][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.201230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.201230][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.201230][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.201230][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.201230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.201230][ T10] [ 3076.203244][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3076.203244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3076.203244][ T10] ipv6_find_idev+0x102/0x170 [ 3076.203244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.203244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.203244][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.203244][ T10] netlink_unicast+0x449/0x710 [ 3076.203244][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.203244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.203244][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.203244][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.203244][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.203244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.203244][ T10] [ 3076.204754][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3076.204754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3076.204754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3076.204754][ T10] ipv6_find_idev+0x102/0x170 [ 3076.204754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.204754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.204754][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.204754][ T10] netlink_unicast+0x449/0x710 [ 3076.204754][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.204754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.204754][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.204754][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.204754][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.204754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.204754][ T10] [ 3076.206424][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3076.206694][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3076.206694][ T10] netdev_get_by_index+0x5e/0x80 [ 3076.206694][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3076.206694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3076.206694][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3076.206694][ T10] ipv6_add_addr+0x411/0x2000 [ 3076.206694][ T10] inet6_addr_add+0x30e/0xa40 [ 3076.206694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.206694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.206694][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.206694][ T10] netlink_unicast+0x449/0x710 [ 3076.206694][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.206694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.206694][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.206694][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.206694][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.206694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.206694][ T10] [ 3076.208673][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3076.208673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3076.208673][ T10] ipv6_find_idev+0x102/0x170 [ 3076.208673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.208673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.208673][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.208673][ T10] netlink_unicast+0x449/0x710 [ 3076.208673][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.208673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.208673][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.208673][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.208673][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.208673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.208673][ T10] [ 3076.210193][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3076.210193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3076.210193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3076.210193][ T10] ipv6_find_idev+0x102/0x170 [ 3076.210193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.210193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.210193][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.210193][ T10] netlink_unicast+0x449/0x710 [ 3076.210193][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.210193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.210193][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.210193][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.210193][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.210193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.210193][ T10] [ 3076.211890][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3076.212200][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3076.212200][ T10] netdev_get_by_index+0x5e/0x80 [ 3076.212200][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3076.212200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3076.212200][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3076.212200][ T10] ipv6_add_addr+0x411/0x2000 [ 3076.212200][ T10] inet6_addr_add+0x30e/0xa40 [ 3076.212200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.212200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.212200][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.212200][ T10] netlink_unicast+0x449/0x710 [ 3076.212200][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.212200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.212200][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.212200][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.212200][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.212200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.212200][ T10] [ 3076.214199][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3076.214199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3076.214199][ T10] ipv6_find_idev+0x102/0x170 [ 3076.214199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.214199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.214199][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.214199][ T10] netlink_unicast+0x449/0x710 [ 3076.214199][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.214199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.214199][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.214199][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.214199][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.214199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.214199][ T10] [ 3076.215718][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3076.215718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3076.215718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3076.215718][ T10] ipv6_find_idev+0x102/0x170 [ 3076.215718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.215718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.215718][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.215718][ T10] netlink_unicast+0x449/0x710 [ 3076.215718][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.215718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.215718][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.215718][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.215718][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.215718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.215718][ T10] [ 3076.217339][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3076.217607][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3076.217607][ T10] netdev_get_by_index+0x5e/0x80 [ 3076.217607][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3076.217607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3076.217607][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3076.217607][ T10] ipv6_add_addr+0x411/0x2000 [ 3076.217607][ T10] inet6_addr_add+0x30e/0xa40 [ 3076.217607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.217607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.217607][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.217607][ T10] netlink_unicast+0x449/0x710 [ 3076.217607][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.217607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.217607][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.217607][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.217607][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.217607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.217607][ T10] [ 3076.219627][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3076.219627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3076.219627][ T10] ipv6_find_idev+0x102/0x170 [ 3076.219627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.219627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.219627][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.219627][ T10] netlink_unicast+0x449/0x710 [ 3076.219627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.219627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.219627][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.219627][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.219627][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.219627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.219627][ T10] [ 3076.221149][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3076.221149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3076.221149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3076.221149][ T10] ipv6_find_idev+0x102/0x170 [ 3076.221149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.221149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.221149][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.221149][ T10] netlink_unicast+0x449/0x710 [ 3076.221149][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.221149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.221149][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.221149][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.221149][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.221149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.221149][ T10] [ 3076.222807][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3076.223058][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3076.223058][ T10] netdev_get_by_index+0x5e/0x80 [ 3076.223058][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3076.223058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3076.223058][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3076.223058][ T10] ipv6_add_addr+0x411/0x2000 [ 3076.223058][ T10] inet6_addr_add+0x30e/0xa40 [ 3076.223058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.223058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.223058][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.223058][ T10] netlink_unicast+0x449/0x710 [ 3076.223058][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.223058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.223058][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.223058][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.223058][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.223058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.223058][ T10] [ 3076.224994][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3076.224994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3076.224994][ T10] ipv6_find_idev+0x102/0x170 [ 3076.224994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.224994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.224994][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.224994][ T10] netlink_unicast+0x449/0x710 [ 3076.224994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.224994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.224994][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.224994][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.224994][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.224994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.224994][ T10] [ 3076.226480][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3076.226480][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3076.226480][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3076.226480][ T10] ipv6_find_idev+0x102/0x170 [ 3076.226480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.226480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.226480][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.226480][ T10] netlink_unicast+0x449/0x710 [ 3076.226480][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.226480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.226480][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.226480][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.226480][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.226480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.226480][ T10] [ 3076.228766][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3076.229038][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3076.229038][ T10] netdev_get_by_index+0x5e/0x80 [ 3076.229038][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3076.229038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3076.229038][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3076.229038][ T10] ipv6_add_addr+0x411/0x2000 [ 3076.229038][ T10] inet6_addr_add+0x30e/0xa40 [ 3076.229038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.229038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.229038][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.229038][ T10] netlink_unicast+0x449/0x710 [ 3076.229038][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.229038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.229038][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.229038][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.229038][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.229038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.229038][ T10] [ 3076.231133][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3076.231133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3076.231133][ T10] ipv6_find_idev+0x102/0x170 [ 3076.231133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.231133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.231133][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.231133][ T10] netlink_unicast+0x449/0x710 [ 3076.231133][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.231133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.231133][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.231133][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.231133][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.231133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.231133][ T10] [ 3076.232707][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3076.232707][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3076.232707][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3076.232707][ T10] ipv6_find_idev+0x102/0x170 [ 3076.232707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.232707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.232707][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.232707][ T10] netlink_unicast+0x449/0x710 [ 3076.232707][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.232707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.232707][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.232707][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.232707][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.232707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.232707][ T10] [ 3076.234665][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3076.234925][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3076.234925][ T10] netdev_get_by_index+0x5e/0x80 [ 3076.234925][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3076.234925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3076.234925][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3076.234925][ T10] ipv6_add_addr+0x411/0x2000 [ 3076.234925][ T10] inet6_addr_add+0x30e/0xa40 [ 3076.234925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.234925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.234925][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.234925][ T10] netlink_unicast+0x449/0x710 [ 3076.234925][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.234925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.234925][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.234925][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.234925][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.234925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.234925][ T10] [ 3076.237069][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3076.237069][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3076.237069][ T10] ipv6_find_idev+0x102/0x170 [ 3076.237069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.237069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.237069][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.237069][ T10] netlink_unicast+0x449/0x710 [ 3076.237069][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.237069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.237069][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.237069][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.237069][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.237069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.237069][ T10] [ 3076.238778][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3076.238778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3076.238778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3076.238778][ T10] ipv6_find_idev+0x102/0x170 [ 3076.238778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.238778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.238778][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.238778][ T10] netlink_unicast+0x449/0x710 [ 3076.238778][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.238778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.238778][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.238778][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.238778][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.238778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.238778][ T10] [ 3076.240787][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3076.241056][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3076.241056][ T10] netdev_get_by_index+0x5e/0x80 [ 3076.241056][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3076.241056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3076.241056][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3076.241056][ T10] ipv6_add_addr+0x411/0x2000 [ 3076.241056][ T10] inet6_addr_add+0x30e/0xa40 [ 3076.241056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3076.241056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.241056][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.241056][ T10] netlink_unicast+0x449/0x710 [ 3076.241056][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.241056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.241056][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.241056][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.241056][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.241056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.241056][ T10] [ 3076.243218][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3076.243218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3076.243218][ T10] ipv6_find_idev+0x102/0x170 [ 3076.243218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.243218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.243218][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.243218][ T10] netlink_unicast+0x449/0x710 [ 3076.243218][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.243218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.243218][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.243218][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.243218][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.243218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.243218][ T10] [ 3076.244924][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3076.244924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3076.244924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3076.244924][ T10] ipv6_find_idev+0x102/0x170 [ 3076.244924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3076.244924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3076.244924][ T10] netlink_rcv_skb+0x130/0x360 [ 3076.244924][ T10] netlink_unicast+0x449/0x710 [ 3076.244924][ T10] netlink_sendmsg+0x723/0xbe0 [ 3076.244924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3076.244924][ T10] ___sys_sendmsg+0xee/0x170 [ 3076.244924][ T10] __sys_sendmsg+0xcd/0x170 [ 3076.244924][ T10] do_syscall_64+0xc6/0x1e0 [ 3076.244924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3076.244924][ T10] [ 3086.432279][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3086.432900][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3086.432900][ T10] netdev_get_by_index+0x5e/0x80 [ 3086.432900][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3086.432900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3086.432900][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3086.432900][ T10] ipv6_add_addr+0x411/0x2000 [ 3086.432900][ T10] inet6_addr_add+0x30e/0xa40 [ 3086.432900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.432900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.432900][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.432900][ T10] netlink_unicast+0x449/0x710 [ 3086.432900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.432900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.432900][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.432900][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.432900][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.432900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.432900][ T10] [ 3086.434854][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3086.434854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3086.434854][ T10] ipv6_find_idev+0x102/0x170 [ 3086.434854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.434854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.434854][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.434854][ T10] netlink_unicast+0x449/0x710 [ 3086.434854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.434854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.434854][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.434854][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.434854][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.434854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.434854][ T10] [ 3086.436339][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3086.436339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3086.436339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3086.436339][ T10] ipv6_find_idev+0x102/0x170 [ 3086.436339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.436339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.436339][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.436339][ T10] netlink_unicast+0x449/0x710 [ 3086.436339][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.436339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.436339][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.436339][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.436339][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.436339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.436339][ T10] [ 3086.437988][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3086.438291][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3086.438291][ T10] netdev_get_by_index+0x5e/0x80 [ 3086.438291][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3086.438291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3086.438291][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3086.438291][ T10] ipv6_add_addr+0x411/0x2000 [ 3086.438291][ T10] inet6_addr_add+0x30e/0xa40 [ 3086.438291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.438291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.438291][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.438291][ T10] netlink_unicast+0x449/0x710 [ 3086.438291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.438291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.438291][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.438291][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.438291][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.438291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.438291][ T10] [ 3086.440265][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3086.440265][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3086.440265][ T10] ipv6_find_idev+0x102/0x170 [ 3086.440265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.440265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.440265][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.440265][ T10] netlink_unicast+0x449/0x710 [ 3086.440265][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.440265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.440265][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.440265][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.440265][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.440265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.440265][ T10] [ 3086.441796][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3086.441796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3086.441796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3086.441796][ T10] ipv6_find_idev+0x102/0x170 [ 3086.441796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.441796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.441796][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.441796][ T10] netlink_unicast+0x449/0x710 [ 3086.441796][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.441796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.441796][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.441796][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.441796][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.441796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.441796][ T10] [ 3086.443460][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3086.443725][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3086.443725][ T10] netdev_get_by_index+0x5e/0x80 [ 3086.443725][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3086.443725][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3086.443725][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3086.443725][ T10] ipv6_add_addr+0x411/0x2000 [ 3086.443725][ T10] inet6_addr_add+0x30e/0xa40 [ 3086.443725][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.443725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.443725][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.443725][ T10] netlink_unicast+0x449/0x710 [ 3086.443725][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.443725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.443725][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.443725][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.443725][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.443725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.443725][ T10] [ 3086.445715][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3086.445715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3086.445715][ T10] ipv6_find_idev+0x102/0x170 [ 3086.445715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.445715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.445715][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.445715][ T10] netlink_unicast+0x449/0x710 [ 3086.445715][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.445715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.445715][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.445715][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.445715][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.445715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.445715][ T10] [ 3086.447190][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3086.447190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3086.447190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3086.447190][ T10] ipv6_find_idev+0x102/0x170 [ 3086.447190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.447190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.447190][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.447190][ T10] netlink_unicast+0x449/0x710 [ 3086.447190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.447190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.447190][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.447190][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.447190][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.447190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.447190][ T10] [ 3086.448844][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3086.449103][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3086.449103][ T10] netdev_get_by_index+0x5e/0x80 [ 3086.449103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3086.449103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3086.449103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3086.449103][ T10] ipv6_add_addr+0x411/0x2000 [ 3086.449103][ T10] inet6_addr_add+0x30e/0xa40 [ 3086.449103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.449103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.449103][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.449103][ T10] netlink_unicast+0x449/0x710 [ 3086.449103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.449103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.449103][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.449103][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.449103][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.449103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.449103][ T10] [ 3086.451060][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3086.451060][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3086.451060][ T10] ipv6_find_idev+0x102/0x170 [ 3086.451060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.451060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.451060][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.451060][ T10] netlink_unicast+0x449/0x710 [ 3086.451060][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.451060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.451060][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.451060][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.451060][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.451060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.451060][ T10] [ 3086.452538][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3086.452538][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3086.452538][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3086.452538][ T10] ipv6_find_idev+0x102/0x170 [ 3086.452538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.452538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.452538][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.452538][ T10] netlink_unicast+0x449/0x710 [ 3086.452538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.452538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.452538][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.452538][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.452538][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.452538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.452538][ T10] [ 3086.454573][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3086.454836][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3086.454836][ T10] netdev_get_by_index+0x5e/0x80 [ 3086.454836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3086.454836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3086.454836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3086.454836][ T10] ipv6_add_addr+0x411/0x2000 [ 3086.454836][ T10] inet6_addr_add+0x30e/0xa40 [ 3086.454836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.454836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.454836][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.454836][ T10] netlink_unicast+0x449/0x710 [ 3086.454836][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.454836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.454836][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.454836][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.454836][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.454836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.454836][ T10] [ 3086.456811][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3086.456811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3086.456811][ T10] ipv6_find_idev+0x102/0x170 [ 3086.456811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.456811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.456811][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.456811][ T10] netlink_unicast+0x449/0x710 [ 3086.456811][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.456811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.456811][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.456811][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.456811][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.456811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.456811][ T10] [ 3086.458320][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3086.458320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3086.458320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3086.458320][ T10] ipv6_find_idev+0x102/0x170 [ 3086.458320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.458320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.458320][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.458320][ T10] netlink_unicast+0x449/0x710 [ 3086.458320][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.458320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.458320][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.458320][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.458320][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.458320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.458320][ T10] [ 3086.459999][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3086.460320][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3086.460320][ T10] netdev_get_by_index+0x5e/0x80 [ 3086.460320][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3086.460320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3086.460320][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3086.460320][ T10] ipv6_add_addr+0x411/0x2000 [ 3086.460320][ T10] inet6_addr_add+0x30e/0xa40 [ 3086.460320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.460320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.460320][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.460320][ T10] netlink_unicast+0x449/0x710 [ 3086.460320][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.460320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.460320][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.460320][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.460320][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.460320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.460320][ T10] [ 3086.462407][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3086.462407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3086.462407][ T10] ipv6_find_idev+0x102/0x170 [ 3086.462407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.462407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.462407][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.462407][ T10] netlink_unicast+0x449/0x710 [ 3086.462407][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.462407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.462407][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.462407][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.462407][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.462407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.462407][ T10] [ 3086.464127][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3086.464127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3086.464127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3086.464127][ T10] ipv6_find_idev+0x102/0x170 [ 3086.464127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.464127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.464127][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.464127][ T10] netlink_unicast+0x449/0x710 [ 3086.464127][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.464127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.464127][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.464127][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.464127][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.464127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.464127][ T10] [ 3086.466011][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3086.466327][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3086.466327][ T10] netdev_get_by_index+0x5e/0x80 [ 3086.466327][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3086.466327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3086.466327][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3086.466327][ T10] ipv6_add_addr+0x411/0x2000 [ 3086.466327][ T10] inet6_addr_add+0x30e/0xa40 [ 3086.466327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.466327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.466327][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.466327][ T10] netlink_unicast+0x449/0x710 [ 3086.466327][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.466327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.466327][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.466327][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.466327][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.466327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.466327][ T10] [ 3086.468496][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3086.468496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3086.468496][ T10] ipv6_find_idev+0x102/0x170 [ 3086.468496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.468496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.468496][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.468496][ T10] netlink_unicast+0x449/0x710 [ 3086.468496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.468496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.468496][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.468496][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.468496][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.468496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.468496][ T10] [ 3086.470232][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3086.470232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3086.470232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3086.470232][ T10] ipv6_find_idev+0x102/0x170 [ 3086.470232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.470232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.470232][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.470232][ T10] netlink_unicast+0x449/0x710 [ 3086.470232][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.470232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.470232][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.470232][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.470232][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.470232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.470232][ T10] [ 3086.472216][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3086.472477][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3086.472477][ T10] netdev_get_by_index+0x5e/0x80 [ 3086.472477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3086.472477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3086.472477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3086.472477][ T10] ipv6_add_addr+0x411/0x2000 [ 3086.472477][ T10] inet6_addr_add+0x30e/0xa40 [ 3086.472477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3086.472477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.472477][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.472477][ T10] netlink_unicast+0x449/0x710 [ 3086.472477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.472477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.472477][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.472477][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.472477][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.472477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.472477][ T10] [ 3086.474719][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3086.474719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3086.474719][ T10] ipv6_find_idev+0x102/0x170 [ 3086.474719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.474719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.474719][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.474719][ T10] netlink_unicast+0x449/0x710 [ 3086.474719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.474719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.474719][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.474719][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.474719][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.474719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.474719][ T10] [ 3086.476421][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3086.476421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3086.476421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3086.476421][ T10] ipv6_find_idev+0x102/0x170 [ 3086.476421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3086.476421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3086.476421][ T10] netlink_rcv_skb+0x130/0x360 [ 3086.476421][ T10] netlink_unicast+0x449/0x710 [ 3086.476421][ T10] netlink_sendmsg+0x723/0xbe0 [ 3086.476421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3086.476421][ T10] ___sys_sendmsg+0xee/0x170 [ 3086.476421][ T10] __sys_sendmsg+0xcd/0x170 [ 3086.476421][ T10] do_syscall_64+0xc6/0x1e0 [ 3086.476421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3086.476421][ T10] [ 3096.480292][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3096.480960][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3096.480960][ T10] netdev_get_by_index+0x5e/0x80 [ 3096.480960][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3096.480960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3096.480960][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3096.480960][ T10] ipv6_add_addr+0x411/0x2000 [ 3096.480960][ T10] inet6_addr_add+0x30e/0xa40 [ 3096.480960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.480960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.480960][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.480960][ T10] netlink_unicast+0x449/0x710 [ 3096.480960][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.480960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.480960][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.480960][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.480960][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.480960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.480960][ T10] [ 3096.482958][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3096.482958][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3096.482958][ T10] ipv6_find_idev+0x102/0x170 [ 3096.482958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.482958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.482958][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.482958][ T10] netlink_unicast+0x449/0x710 [ 3096.482958][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.482958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.482958][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.482958][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.482958][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.482958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.482958][ T10] [ 3096.484484][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3096.484484][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3096.484484][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3096.484484][ T10] ipv6_find_idev+0x102/0x170 [ 3096.484484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.484484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.484484][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.484484][ T10] netlink_unicast+0x449/0x710 [ 3096.484484][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.484484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.484484][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.484484][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.484484][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.484484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.484484][ T10] [ 3096.486141][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3096.486432][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3096.486432][ T10] netdev_get_by_index+0x5e/0x80 [ 3096.486432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3096.486432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3096.486432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3096.486432][ T10] ipv6_add_addr+0x411/0x2000 [ 3096.486432][ T10] inet6_addr_add+0x30e/0xa40 [ 3096.486432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.486432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.486432][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.486432][ T10] netlink_unicast+0x449/0x710 [ 3096.486432][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.486432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.486432][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.486432][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.486432][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.486432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.486432][ T10] [ 3096.488415][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3096.488415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3096.488415][ T10] ipv6_find_idev+0x102/0x170 [ 3096.488415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.488415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.488415][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.488415][ T10] netlink_unicast+0x449/0x710 [ 3096.488415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.488415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.488415][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.488415][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.488415][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.488415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.488415][ T10] [ 3096.489937][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3096.489937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3096.489937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3096.489937][ T10] ipv6_find_idev+0x102/0x170 [ 3096.489937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.489937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.489937][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.489937][ T10] netlink_unicast+0x449/0x710 [ 3096.489937][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.489937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.489937][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.489937][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.489937][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.489937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.489937][ T10] [ 3096.491626][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3096.491902][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3096.491902][ T10] netdev_get_by_index+0x5e/0x80 [ 3096.491902][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3096.491902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3096.491902][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3096.491902][ T10] ipv6_add_addr+0x411/0x2000 [ 3096.491902][ T10] inet6_addr_add+0x30e/0xa40 [ 3096.491902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.491902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.491902][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.491902][ T10] netlink_unicast+0x449/0x710 [ 3096.491902][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.491902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.491902][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.491902][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.491902][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.491902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.491902][ T10] [ 3096.493906][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3096.493906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3096.493906][ T10] ipv6_find_idev+0x102/0x170 [ 3096.493906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.493906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.493906][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.493906][ T10] netlink_unicast+0x449/0x710 [ 3096.493906][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.493906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.493906][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.493906][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.493906][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.493906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.493906][ T10] [ 3096.495421][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3096.495421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3096.495421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3096.495421][ T10] ipv6_find_idev+0x102/0x170 [ 3096.495421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.495421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.495421][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.495421][ T10] netlink_unicast+0x449/0x710 [ 3096.495421][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.495421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.495421][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.495421][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.495421][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.495421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.495421][ T10] [ 3096.497041][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3096.497729][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3096.497729][ T10] netdev_get_by_index+0x5e/0x80 [ 3096.497729][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3096.497729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3096.497729][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3096.497729][ T10] ipv6_add_addr+0x411/0x2000 [ 3096.497729][ T10] inet6_addr_add+0x30e/0xa40 [ 3096.497729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.497729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.497729][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.497729][ T10] netlink_unicast+0x449/0x710 [ 3096.497729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.497729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.497729][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.497729][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.497729][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.497729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.497729][ T10] [ 3096.499722][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3096.499722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3096.499722][ T10] ipv6_find_idev+0x102/0x170 [ 3096.499722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.499722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.499722][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.499722][ T10] netlink_unicast+0x449/0x710 [ 3096.499722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.499722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.499722][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.499722][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.499722][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.499722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.499722][ T10] [ 3096.501280][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3096.501280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3096.501280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3096.501280][ T10] ipv6_find_idev+0x102/0x170 [ 3096.501280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.501280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.501280][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.501280][ T10] netlink_unicast+0x449/0x710 [ 3096.501280][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.501280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.501280][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.501280][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.501280][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.501280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.501280][ T10] [ 3096.502990][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3096.503306][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3096.503306][ T10] netdev_get_by_index+0x5e/0x80 [ 3096.503306][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3096.503306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3096.503306][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3096.503306][ T10] ipv6_add_addr+0x411/0x2000 [ 3096.503306][ T10] inet6_addr_add+0x30e/0xa40 [ 3096.503306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.503306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.503306][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.503306][ T10] netlink_unicast+0x449/0x710 [ 3096.503306][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.503306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.503306][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.503306][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.503306][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.503306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.503306][ T10] [ 3096.505263][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3096.505263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3096.505263][ T10] ipv6_find_idev+0x102/0x170 [ 3096.505263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.505263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.505263][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.505263][ T10] netlink_unicast+0x449/0x710 [ 3096.505263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.505263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.505263][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.505263][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.505263][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.505263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.505263][ T10] [ 3096.506737][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3096.506737][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3096.506737][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3096.506737][ T10] ipv6_find_idev+0x102/0x170 [ 3096.506737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.506737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.506737][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.506737][ T10] netlink_unicast+0x449/0x710 [ 3096.506737][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.506737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.506737][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.506737][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.506737][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.506737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.506737][ T10] [ 3096.508436][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3096.508707][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3096.508707][ T10] netdev_get_by_index+0x5e/0x80 [ 3096.508707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3096.508707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3096.508707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3096.508707][ T10] ipv6_add_addr+0x411/0x2000 [ 3096.508707][ T10] inet6_addr_add+0x30e/0xa40 [ 3096.508707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.508707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.508707][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.508707][ T10] netlink_unicast+0x449/0x710 [ 3096.508707][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.508707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.508707][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.508707][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.508707][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.508707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.508707][ T10] [ 3096.510747][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3096.510747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3096.510747][ T10] ipv6_find_idev+0x102/0x170 [ 3096.510747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.510747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.510747][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.510747][ T10] netlink_unicast+0x449/0x710 [ 3096.510747][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.510747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.510747][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.510747][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.510747][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.510747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.510747][ T10] [ 3096.512451][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3096.512451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3096.512451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3096.512451][ T10] ipv6_find_idev+0x102/0x170 [ 3096.512451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.512451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.512451][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.512451][ T10] netlink_unicast+0x449/0x710 [ 3096.512451][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.512451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.512451][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.512451][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.512451][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.512451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.512451][ T10] [ 3096.514401][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3096.514661][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3096.514661][ T10] netdev_get_by_index+0x5e/0x80 [ 3096.514661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3096.514661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3096.514661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3096.514661][ T10] ipv6_add_addr+0x411/0x2000 [ 3096.514661][ T10] inet6_addr_add+0x30e/0xa40 [ 3096.514661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.514661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.514661][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.514661][ T10] netlink_unicast+0x449/0x710 [ 3096.514661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.514661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.514661][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.514661][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.514661][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.514661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.514661][ T10] [ 3096.516769][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3096.516769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3096.516769][ T10] ipv6_find_idev+0x102/0x170 [ 3096.516769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.516769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.516769][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.516769][ T10] netlink_unicast+0x449/0x710 [ 3096.516769][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.516769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.516769][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.516769][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.516769][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.516769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.516769][ T10] [ 3096.518441][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3096.518441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3096.518441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3096.518441][ T10] ipv6_find_idev+0x102/0x170 [ 3096.518441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.518441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.518441][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.518441][ T10] netlink_unicast+0x449/0x710 [ 3096.518441][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.518441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.518441][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.518441][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.518441][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.518441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.518441][ T10] [ 3096.520298][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3096.520608][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3096.520608][ T10] netdev_get_by_index+0x5e/0x80 [ 3096.520608][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3096.520608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3096.520608][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3096.520608][ T10] ipv6_add_addr+0x411/0x2000 [ 3096.520608][ T10] inet6_addr_add+0x30e/0xa40 [ 3096.520608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3096.520608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.520608][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.520608][ T10] netlink_unicast+0x449/0x710 [ 3096.520608][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.520608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.520608][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.520608][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.520608][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.520608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.520608][ T10] [ 3096.522798][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3096.522798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3096.522798][ T10] ipv6_find_idev+0x102/0x170 [ 3096.522798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.522798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.522798][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.522798][ T10] netlink_unicast+0x449/0x710 [ 3096.522798][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.522798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.522798][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.522798][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.522798][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.522798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.522798][ T10] [ 3096.524408][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3096.524408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3096.524408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3096.524408][ T10] ipv6_find_idev+0x102/0x170 [ 3096.524408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3096.524408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3096.524408][ T10] netlink_rcv_skb+0x130/0x360 [ 3096.524408][ T10] netlink_unicast+0x449/0x710 [ 3096.524408][ T10] netlink_sendmsg+0x723/0xbe0 [ 3096.524408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3096.524408][ T10] ___sys_sendmsg+0xee/0x170 [ 3096.524408][ T10] __sys_sendmsg+0xcd/0x170 [ 3096.524408][ T10] do_syscall_64+0xc6/0x1e0 [ 3096.524408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3096.524408][ T10] [ 3106.768366][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3106.769017][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3106.769017][ T10] netdev_get_by_index+0x5e/0x80 [ 3106.769017][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3106.769017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3106.769017][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3106.769017][ T10] ipv6_add_addr+0x411/0x2000 [ 3106.769017][ T10] inet6_addr_add+0x30e/0xa40 [ 3106.769017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.769017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.769017][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.769017][ T10] netlink_unicast+0x449/0x710 [ 3106.769017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.769017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.769017][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.769017][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.769017][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.769017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.769017][ T10] [ 3106.770982][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3106.770982][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3106.770982][ T10] ipv6_find_idev+0x102/0x170 [ 3106.770982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.770982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.770982][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.770982][ T10] netlink_unicast+0x449/0x710 [ 3106.770982][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.770982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.770982][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.770982][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.770982][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.770982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.770982][ T10] [ 3106.772504][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3106.772504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3106.772504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3106.772504][ T10] ipv6_find_idev+0x102/0x170 [ 3106.772504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.772504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.772504][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.772504][ T10] netlink_unicast+0x449/0x710 [ 3106.772504][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.772504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.772504][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.772504][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.772504][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.772504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.772504][ T10] [ 3106.774205][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3106.774468][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3106.774468][ T10] netdev_get_by_index+0x5e/0x80 [ 3106.774468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3106.774468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3106.774468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3106.774468][ T10] ipv6_add_addr+0x411/0x2000 [ 3106.774468][ T10] inet6_addr_add+0x30e/0xa40 [ 3106.774468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.774468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.774468][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.774468][ T10] netlink_unicast+0x449/0x710 [ 3106.774468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.774468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.774468][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.774468][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.774468][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.774468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.774468][ T10] [ 3106.776397][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3106.776397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3106.776397][ T10] ipv6_find_idev+0x102/0x170 [ 3106.776397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.776397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.776397][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.776397][ T10] netlink_unicast+0x449/0x710 [ 3106.776397][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.776397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.776397][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.776397][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.776397][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.776397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.776397][ T10] [ 3106.777879][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3106.777879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3106.777879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3106.777879][ T10] ipv6_find_idev+0x102/0x170 [ 3106.777879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.777879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.777879][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.777879][ T10] netlink_unicast+0x449/0x710 [ 3106.777879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.777879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.777879][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.777879][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.777879][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.777879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.777879][ T10] [ 3106.779492][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3106.779774][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3106.779774][ T10] netdev_get_by_index+0x5e/0x80 [ 3106.779774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3106.779774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3106.779774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3106.779774][ T10] ipv6_add_addr+0x411/0x2000 [ 3106.779774][ T10] inet6_addr_add+0x30e/0xa40 [ 3106.779774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.779774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.779774][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.779774][ T10] netlink_unicast+0x449/0x710 [ 3106.779774][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.779774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.779774][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.779774][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.779774][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.779774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.779774][ T10] [ 3106.781737][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3106.781737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3106.781737][ T10] ipv6_find_idev+0x102/0x170 [ 3106.781737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.781737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.781737][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.781737][ T10] netlink_unicast+0x449/0x710 [ 3106.781737][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.781737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.781737][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.781737][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.781737][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.781737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.781737][ T10] [ 3106.783272][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3106.783272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3106.783272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3106.783272][ T10] ipv6_find_idev+0x102/0x170 [ 3106.783272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.783272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.783272][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.783272][ T10] netlink_unicast+0x449/0x710 [ 3106.783272][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.783272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.783272][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.783272][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.783272][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.783272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.783272][ T10] [ 3106.784940][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3106.785647][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3106.785647][ T10] netdev_get_by_index+0x5e/0x80 [ 3106.785647][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3106.785647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3106.785647][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3106.785647][ T10] ipv6_add_addr+0x411/0x2000 [ 3106.785647][ T10] inet6_addr_add+0x30e/0xa40 [ 3106.785647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.785647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.785647][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.785647][ T10] netlink_unicast+0x449/0x710 [ 3106.785647][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.785647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.785647][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.785647][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.785647][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.785647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.785647][ T10] [ 3106.787582][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3106.787582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3106.787582][ T10] ipv6_find_idev+0x102/0x170 [ 3106.787582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.787582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.787582][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.787582][ T10] netlink_unicast+0x449/0x710 [ 3106.787582][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.787582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.787582][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.787582][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.787582][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.787582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.787582][ T10] [ 3106.789147][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3106.789147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3106.789147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3106.789147][ T10] ipv6_find_idev+0x102/0x170 [ 3106.789147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.789147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.789147][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.789147][ T10] netlink_unicast+0x449/0x710 [ 3106.789147][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.789147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.789147][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.789147][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.789147][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.789147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.789147][ T10] [ 3106.790864][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3106.791135][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3106.791135][ T10] netdev_get_by_index+0x5e/0x80 [ 3106.791135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3106.791135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3106.791135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3106.791135][ T10] ipv6_add_addr+0x411/0x2000 [ 3106.791135][ T10] inet6_addr_add+0x30e/0xa40 [ 3106.791135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.791135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.791135][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.791135][ T10] netlink_unicast+0x449/0x710 [ 3106.791135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.791135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.791135][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.791135][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.791135][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.791135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.791135][ T10] [ 3106.793124][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3106.793124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3106.793124][ T10] ipv6_find_idev+0x102/0x170 [ 3106.793124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.793124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.793124][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.793124][ T10] netlink_unicast+0x449/0x710 [ 3106.793124][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.793124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.793124][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.793124][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.793124][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.793124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.793124][ T10] [ 3106.794605][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3106.794605][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3106.794605][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3106.794605][ T10] ipv6_find_idev+0x102/0x170 [ 3106.794605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.794605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.794605][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.794605][ T10] netlink_unicast+0x449/0x710 [ 3106.794605][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.794605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.794605][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.794605][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.794605][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.794605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.794605][ T10] [ 3106.796298][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3106.796559][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3106.796559][ T10] netdev_get_by_index+0x5e/0x80 [ 3106.796559][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3106.796559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3106.796559][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3106.796559][ T10] ipv6_add_addr+0x411/0x2000 [ 3106.796559][ T10] inet6_addr_add+0x30e/0xa40 [ 3106.796559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.796559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.796559][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.796559][ T10] netlink_unicast+0x449/0x710 [ 3106.796559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.796559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.796559][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.796559][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.796559][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.796559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.796559][ T10] [ 3106.798631][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3106.798631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3106.798631][ T10] ipv6_find_idev+0x102/0x170 [ 3106.798631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.798631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.798631][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.798631][ T10] netlink_unicast+0x449/0x710 [ 3106.798631][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.798631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.798631][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.798631][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.798631][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.798631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.798631][ T10] [ 3106.800328][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3106.800328][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3106.800328][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3106.800328][ T10] ipv6_find_idev+0x102/0x170 [ 3106.800328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.800328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.800328][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.800328][ T10] netlink_unicast+0x449/0x710 [ 3106.800328][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.800328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.800328][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.800328][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.800328][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.800328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.800328][ T10] [ 3106.802289][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3106.802551][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3106.802551][ T10] netdev_get_by_index+0x5e/0x80 [ 3106.802551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3106.802551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3106.802551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3106.802551][ T10] ipv6_add_addr+0x411/0x2000 [ 3106.802551][ T10] inet6_addr_add+0x30e/0xa40 [ 3106.802551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.802551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.802551][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.802551][ T10] netlink_unicast+0x449/0x710 [ 3106.802551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.802551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.802551][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.802551][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.802551][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.802551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.802551][ T10] [ 3106.804679][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3106.804679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3106.804679][ T10] ipv6_find_idev+0x102/0x170 [ 3106.804679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.804679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.804679][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.804679][ T10] netlink_unicast+0x449/0x710 [ 3106.804679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.804679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.804679][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.804679][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.804679][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.804679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.804679][ T10] [ 3106.806381][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3106.806381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3106.806381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3106.806381][ T10] ipv6_find_idev+0x102/0x170 [ 3106.806381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.806381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.806381][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.806381][ T10] netlink_unicast+0x449/0x710 [ 3106.806381][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.806381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.806381][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.806381][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.806381][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.806381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.806381][ T10] [ 3106.808327][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3106.808599][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3106.808599][ T10] netdev_get_by_index+0x5e/0x80 [ 3106.808599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3106.808599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3106.808599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3106.808599][ T10] ipv6_add_addr+0x411/0x2000 [ 3106.808599][ T10] inet6_addr_add+0x30e/0xa40 [ 3106.808599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3106.808599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.808599][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.808599][ T10] netlink_unicast+0x449/0x710 [ 3106.808599][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.808599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.808599][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.808599][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.808599][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.808599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.808599][ T10] [ 3106.810789][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3106.810789][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3106.810789][ T10] ipv6_find_idev+0x102/0x170 [ 3106.810789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.810789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.810789][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.810789][ T10] netlink_unicast+0x449/0x710 [ 3106.810789][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.810789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.810789][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.810789][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.810789][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.810789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.810789][ T10] [ 3106.812470][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3106.812470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3106.812470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3106.812470][ T10] ipv6_find_idev+0x102/0x170 [ 3106.812470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3106.812470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3106.812470][ T10] netlink_rcv_skb+0x130/0x360 [ 3106.812470][ T10] netlink_unicast+0x449/0x710 [ 3106.812470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3106.812470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3106.812470][ T10] ___sys_sendmsg+0xee/0x170 [ 3106.812470][ T10] __sys_sendmsg+0xcd/0x170 [ 3106.812470][ T10] do_syscall_64+0xc6/0x1e0 [ 3106.812470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3106.812470][ T10] [ 3117.056277][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3117.056930][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3117.056930][ T10] netdev_get_by_index+0x5e/0x80 [ 3117.056930][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3117.056930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3117.056930][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3117.056930][ T10] ipv6_add_addr+0x411/0x2000 [ 3117.056930][ T10] inet6_addr_add+0x30e/0xa40 [ 3117.056930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.056930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.056930][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.056930][ T10] netlink_unicast+0x449/0x710 [ 3117.056930][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.056930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.056930][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.056930][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.056930][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.056930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.056930][ T10] [ 3117.058911][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3117.058911][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3117.058911][ T10] ipv6_find_idev+0x102/0x170 [ 3117.058911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.058911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.058911][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.058911][ T10] netlink_unicast+0x449/0x710 [ 3117.058911][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.058911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.058911][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.058911][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.058911][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.058911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.058911][ T10] [ 3117.060415][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3117.060415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3117.060415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3117.060415][ T10] ipv6_find_idev+0x102/0x170 [ 3117.060415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.060415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.060415][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.060415][ T10] netlink_unicast+0x449/0x710 [ 3117.060415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.060415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.060415][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.060415][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.060415][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.060415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.060415][ T10] [ 3117.062045][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3117.062324][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3117.062324][ T10] netdev_get_by_index+0x5e/0x80 [ 3117.062324][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3117.062324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3117.062324][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3117.062324][ T10] ipv6_add_addr+0x411/0x2000 [ 3117.062324][ T10] inet6_addr_add+0x30e/0xa40 [ 3117.062324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.062324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.062324][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.062324][ T10] netlink_unicast+0x449/0x710 [ 3117.062324][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.062324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.062324][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.062324][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.062324][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.062324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.062324][ T10] [ 3117.064263][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3117.064263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3117.064263][ T10] ipv6_find_idev+0x102/0x170 [ 3117.064263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.064263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.064263][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.064263][ T10] netlink_unicast+0x449/0x710 [ 3117.064263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.064263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.064263][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.064263][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.064263][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.064263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.064263][ T10] [ 3117.065749][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3117.065749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3117.065749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3117.065749][ T10] ipv6_find_idev+0x102/0x170 [ 3117.065749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.065749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.065749][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.065749][ T10] netlink_unicast+0x449/0x710 [ 3117.065749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.065749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.065749][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.065749][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.065749][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.065749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.065749][ T10] [ 3117.067362][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3117.067613][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3117.067613][ T10] netdev_get_by_index+0x5e/0x80 [ 3117.067613][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3117.067613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3117.067613][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3117.067613][ T10] ipv6_add_addr+0x411/0x2000 [ 3117.067613][ T10] inet6_addr_add+0x30e/0xa40 [ 3117.067613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.067613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.067613][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.067613][ T10] netlink_unicast+0x449/0x710 [ 3117.067613][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.067613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.067613][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.067613][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.067613][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.067613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.067613][ T10] [ 3117.069567][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3117.069567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3117.069567][ T10] ipv6_find_idev+0x102/0x170 [ 3117.069567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.069567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.069567][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.069567][ T10] netlink_unicast+0x449/0x710 [ 3117.069567][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.069567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.069567][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.069567][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.069567][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.069567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.069567][ T10] [ 3117.071071][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3117.071071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3117.071071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3117.071071][ T10] ipv6_find_idev+0x102/0x170 [ 3117.071071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.071071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.071071][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.071071][ T10] netlink_unicast+0x449/0x710 [ 3117.071071][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.071071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.071071][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.071071][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.071071][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.071071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.071071][ T10] [ 3117.073068][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3117.073683][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3117.073683][ T10] netdev_get_by_index+0x5e/0x80 [ 3117.073683][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3117.073683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3117.073683][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3117.073683][ T10] ipv6_add_addr+0x411/0x2000 [ 3117.073683][ T10] inet6_addr_add+0x30e/0xa40 [ 3117.073683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.073683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.073683][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.073683][ T10] netlink_unicast+0x449/0x710 [ 3117.073683][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.073683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.073683][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.073683][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.073683][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.073683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.073683][ T10] [ 3117.075656][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3117.075656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3117.075656][ T10] ipv6_find_idev+0x102/0x170 [ 3117.075656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.075656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.075656][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.075656][ T10] netlink_unicast+0x449/0x710 [ 3117.075656][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.075656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.075656][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.075656][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.075656][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.075656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.075656][ T10] [ 3117.077168][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3117.077168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3117.077168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3117.077168][ T10] ipv6_find_idev+0x102/0x170 [ 3117.077168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.077168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.077168][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.077168][ T10] netlink_unicast+0x449/0x710 [ 3117.077168][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.077168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.077168][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.077168][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.077168][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.077168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.077168][ T10] [ 3117.078777][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3117.079059][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3117.079059][ T10] netdev_get_by_index+0x5e/0x80 [ 3117.079059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3117.079059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3117.079059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3117.079059][ T10] ipv6_add_addr+0x411/0x2000 [ 3117.079059][ T10] inet6_addr_add+0x30e/0xa40 [ 3117.079059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.079059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.079059][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.079059][ T10] netlink_unicast+0x449/0x710 [ 3117.079059][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.079059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.079059][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.079059][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.079059][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.079059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.079059][ T10] [ 3117.081061][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3117.081061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3117.081061][ T10] ipv6_find_idev+0x102/0x170 [ 3117.081061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.081061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.081061][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.081061][ T10] netlink_unicast+0x449/0x710 [ 3117.081061][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.081061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.081061][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.081061][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.081061][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.081061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.081061][ T10] [ 3117.082597][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3117.082597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3117.082597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3117.082597][ T10] ipv6_find_idev+0x102/0x170 [ 3117.082597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.082597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.082597][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.082597][ T10] netlink_unicast+0x449/0x710 [ 3117.082597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.082597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.082597][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.082597][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.082597][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.082597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.082597][ T10] [ 3117.084296][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3117.084557][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3117.084557][ T10] netdev_get_by_index+0x5e/0x80 [ 3117.084557][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3117.084557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3117.084557][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3117.084557][ T10] ipv6_add_addr+0x411/0x2000 [ 3117.084557][ T10] inet6_addr_add+0x30e/0xa40 [ 3117.084557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.084557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.084557][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.084557][ T10] netlink_unicast+0x449/0x710 [ 3117.084557][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.084557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.084557][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.084557][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.084557][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.084557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.084557][ T10] [ 3117.086540][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3117.086540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3117.086540][ T10] ipv6_find_idev+0x102/0x170 [ 3117.086540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.086540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.086540][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.086540][ T10] netlink_unicast+0x449/0x710 [ 3117.086540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.086540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.086540][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.086540][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.086540][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.086540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.086540][ T10] [ 3117.088043][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3117.088043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3117.088043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3117.088043][ T10] ipv6_find_idev+0x102/0x170 [ 3117.088043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.088043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.088043][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.088043][ T10] netlink_unicast+0x449/0x710 [ 3117.088043][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.088043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.088043][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.088043][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.088043][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.088043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.088043][ T10] [ 3117.090001][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3117.090338][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3117.090338][ T10] netdev_get_by_index+0x5e/0x80 [ 3117.090338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3117.090338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3117.090338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3117.090338][ T10] ipv6_add_addr+0x411/0x2000 [ 3117.090338][ T10] inet6_addr_add+0x30e/0xa40 [ 3117.090338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.090338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.090338][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.090338][ T10] netlink_unicast+0x449/0x710 [ 3117.090338][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.090338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.090338][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.090338][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.090338][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.090338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.090338][ T10] [ 3117.092542][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3117.092542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3117.092542][ T10] ipv6_find_idev+0x102/0x170 [ 3117.092542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.092542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.092542][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.092542][ T10] netlink_unicast+0x449/0x710 [ 3117.092542][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.092542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.092542][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.092542][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.092542][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.092542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.092542][ T10] [ 3117.094192][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3117.094192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3117.094192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3117.094192][ T10] ipv6_find_idev+0x102/0x170 [ 3117.094192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.094192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.094192][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.094192][ T10] netlink_unicast+0x449/0x710 [ 3117.094192][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.094192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.094192][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.094192][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.094192][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.094192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.094192][ T10] [ 3117.096034][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3117.096347][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3117.096347][ T10] netdev_get_by_index+0x5e/0x80 [ 3117.096347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3117.096347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3117.096347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3117.096347][ T10] ipv6_add_addr+0x411/0x2000 [ 3117.096347][ T10] inet6_addr_add+0x30e/0xa40 [ 3117.096347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3117.096347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.096347][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.096347][ T10] netlink_unicast+0x449/0x710 [ 3117.096347][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.096347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.096347][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.096347][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.096347][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.096347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.096347][ T10] [ 3117.098465][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3117.098465][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3117.098465][ T10] ipv6_find_idev+0x102/0x170 [ 3117.098465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.098465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.098465][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.098465][ T10] netlink_unicast+0x449/0x710 [ 3117.098465][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.098465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.098465][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.098465][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.098465][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.098465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.098465][ T10] [ 3117.100169][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3117.100169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3117.100169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3117.100169][ T10] ipv6_find_idev+0x102/0x170 [ 3117.100169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3117.100169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3117.100169][ T10] netlink_rcv_skb+0x130/0x360 [ 3117.100169][ T10] netlink_unicast+0x449/0x710 [ 3117.100169][ T10] netlink_sendmsg+0x723/0xbe0 [ 3117.100169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3117.100169][ T10] ___sys_sendmsg+0xee/0x170 [ 3117.100169][ T10] __sys_sendmsg+0xcd/0x170 [ 3117.100169][ T10] do_syscall_64+0xc6/0x1e0 [ 3117.100169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3117.100169][ T10] [ 3127.344279][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3127.344945][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3127.344945][ T10] netdev_get_by_index+0x5e/0x80 [ 3127.344945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3127.344945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3127.344945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3127.344945][ T10] ipv6_add_addr+0x411/0x2000 [ 3127.344945][ T10] inet6_addr_add+0x30e/0xa40 [ 3127.344945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.344945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.344945][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.344945][ T10] netlink_unicast+0x449/0x710 [ 3127.344945][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.344945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.344945][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.344945][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.344945][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.344945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.344945][ T10] [ 3127.346870][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3127.346870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3127.346870][ T10] ipv6_find_idev+0x102/0x170 [ 3127.346870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.346870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.346870][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.346870][ T10] netlink_unicast+0x449/0x710 [ 3127.346870][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.346870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.346870][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.346870][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.346870][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.346870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.346870][ T10] [ 3127.348364][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3127.348364][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3127.348364][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3127.348364][ T10] ipv6_find_idev+0x102/0x170 [ 3127.348364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.348364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.348364][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.348364][ T10] netlink_unicast+0x449/0x710 [ 3127.348364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.348364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.348364][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.348364][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.348364][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.348364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.348364][ T10] [ 3127.349998][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3127.350280][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3127.350280][ T10] netdev_get_by_index+0x5e/0x80 [ 3127.350280][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3127.350280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3127.350280][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3127.350280][ T10] ipv6_add_addr+0x411/0x2000 [ 3127.350280][ T10] inet6_addr_add+0x30e/0xa40 [ 3127.350280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.350280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.350280][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.350280][ T10] netlink_unicast+0x449/0x710 [ 3127.350280][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.350280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.350280][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.350280][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.350280][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.350280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.350280][ T10] [ 3127.352202][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3127.352202][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3127.352202][ T10] ipv6_find_idev+0x102/0x170 [ 3127.352202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.352202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.352202][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.352202][ T10] netlink_unicast+0x449/0x710 [ 3127.352202][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.352202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.352202][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.352202][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.352202][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.352202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.352202][ T10] [ 3127.353722][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3127.353722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3127.353722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3127.353722][ T10] ipv6_find_idev+0x102/0x170 [ 3127.353722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.353722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.353722][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.353722][ T10] netlink_unicast+0x449/0x710 [ 3127.353722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.353722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.353722][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.353722][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.353722][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.353722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.353722][ T10] [ 3127.355359][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3127.355609][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3127.355609][ T10] netdev_get_by_index+0x5e/0x80 [ 3127.355609][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3127.355609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3127.355609][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3127.355609][ T10] ipv6_add_addr+0x411/0x2000 [ 3127.355609][ T10] inet6_addr_add+0x30e/0xa40 [ 3127.355609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.355609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.355609][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.355609][ T10] netlink_unicast+0x449/0x710 [ 3127.355609][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.355609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.355609][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.355609][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.355609][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.355609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.355609][ T10] [ 3127.357536][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3127.357536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3127.357536][ T10] ipv6_find_idev+0x102/0x170 [ 3127.357536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.357536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.357536][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.357536][ T10] netlink_unicast+0x449/0x710 [ 3127.357536][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.357536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.357536][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.357536][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.357536][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.357536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.357536][ T10] [ 3127.359099][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3127.359099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3127.359099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3127.359099][ T10] ipv6_find_idev+0x102/0x170 [ 3127.359099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.359099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.359099][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.359099][ T10] netlink_unicast+0x449/0x710 [ 3127.359099][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.359099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.359099][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.359099][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.359099][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.359099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.359099][ T10] [ 3127.361121][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3127.361373][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3127.361373][ T10] netdev_get_by_index+0x5e/0x80 [ 3127.361373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3127.361373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3127.361373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3127.361373][ T10] ipv6_add_addr+0x411/0x2000 [ 3127.361373][ T10] inet6_addr_add+0x30e/0xa40 [ 3127.361373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.361373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.361373][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.361373][ T10] netlink_unicast+0x449/0x710 [ 3127.361373][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.361373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.361373][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.361373][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.361373][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.361373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.361373][ T10] [ 3127.363321][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3127.363321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3127.363321][ T10] ipv6_find_idev+0x102/0x170 [ 3127.363321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.363321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.363321][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.363321][ T10] netlink_unicast+0x449/0x710 [ 3127.363321][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.363321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.363321][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.363321][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.363321][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.363321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.363321][ T10] [ 3127.364831][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3127.364831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3127.364831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3127.364831][ T10] ipv6_find_idev+0x102/0x170 [ 3127.364831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.364831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.364831][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.364831][ T10] netlink_unicast+0x449/0x710 [ 3127.364831][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.364831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.364831][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.364831][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.364831][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.364831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.364831][ T10] [ 3127.366534][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3127.366796][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3127.366796][ T10] netdev_get_by_index+0x5e/0x80 [ 3127.366796][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3127.366796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3127.366796][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3127.366796][ T10] ipv6_add_addr+0x411/0x2000 [ 3127.366796][ T10] inet6_addr_add+0x30e/0xa40 [ 3127.366796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.366796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.366796][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.366796][ T10] netlink_unicast+0x449/0x710 [ 3127.366796][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.366796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.366796][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.366796][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.366796][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.366796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.366796][ T10] [ 3127.368754][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3127.368754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3127.368754][ T10] ipv6_find_idev+0x102/0x170 [ 3127.368754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.368754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.368754][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.368754][ T10] netlink_unicast+0x449/0x710 [ 3127.368754][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.368754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.368754][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.368754][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.368754][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.368754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.368754][ T10] [ 3127.370270][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3127.370270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3127.370270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3127.370270][ T10] ipv6_find_idev+0x102/0x170 [ 3127.370270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.370270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.370270][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.370270][ T10] netlink_unicast+0x449/0x710 [ 3127.370270][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.370270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.370270][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.370270][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.370270][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.370270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.370270][ T10] [ 3127.371979][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3127.372298][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3127.372298][ T10] netdev_get_by_index+0x5e/0x80 [ 3127.372298][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3127.372298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3127.372298][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3127.372298][ T10] ipv6_add_addr+0x411/0x2000 [ 3127.372298][ T10] inet6_addr_add+0x30e/0xa40 [ 3127.372298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.372298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.372298][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.372298][ T10] netlink_unicast+0x449/0x710 [ 3127.372298][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.372298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.372298][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.372298][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.372298][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.372298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.372298][ T10] [ 3127.374351][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3127.374351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3127.374351][ T10] ipv6_find_idev+0x102/0x170 [ 3127.374351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.374351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.374351][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.374351][ T10] netlink_unicast+0x449/0x710 [ 3127.374351][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.374351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.374351][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.374351][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.374351][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.374351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.374351][ T10] [ 3127.376044][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3127.376044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3127.376044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3127.376044][ T10] ipv6_find_idev+0x102/0x170 [ 3127.376044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.376044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.376044][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.376044][ T10] netlink_unicast+0x449/0x710 [ 3127.376044][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.376044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.376044][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.376044][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.376044][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.376044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.376044][ T10] [ 3127.377932][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3127.378249][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3127.378249][ T10] netdev_get_by_index+0x5e/0x80 [ 3127.378249][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3127.378249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3127.378249][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3127.378249][ T10] ipv6_add_addr+0x411/0x2000 [ 3127.378249][ T10] inet6_addr_add+0x30e/0xa40 [ 3127.378249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.378249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.378249][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.378249][ T10] netlink_unicast+0x449/0x710 [ 3127.378249][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.378249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.378249][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.378249][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.378249][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.378249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.378249][ T10] [ 3127.380415][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3127.380415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3127.380415][ T10] ipv6_find_idev+0x102/0x170 [ 3127.380415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.380415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.380415][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.380415][ T10] netlink_unicast+0x449/0x710 [ 3127.380415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.380415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.380415][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.380415][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.380415][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.380415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.380415][ T10] [ 3127.382111][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3127.382111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3127.382111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3127.382111][ T10] ipv6_find_idev+0x102/0x170 [ 3127.382111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.382111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.382111][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.382111][ T10] netlink_unicast+0x449/0x710 [ 3127.382111][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.382111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.382111][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.382111][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.382111][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.382111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.382111][ T10] [ 3127.383983][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3127.384306][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3127.384306][ T10] netdev_get_by_index+0x5e/0x80 [ 3127.384306][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3127.384306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3127.384306][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3127.384306][ T10] ipv6_add_addr+0x411/0x2000 [ 3127.384306][ T10] inet6_addr_add+0x30e/0xa40 [ 3127.384306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3127.384306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.384306][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.384306][ T10] netlink_unicast+0x449/0x710 [ 3127.384306][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.384306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.384306][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.384306][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.384306][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.384306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.384306][ T10] [ 3127.386423][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3127.386423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3127.386423][ T10] ipv6_find_idev+0x102/0x170 [ 3127.386423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.386423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.386423][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.386423][ T10] netlink_unicast+0x449/0x710 [ 3127.386423][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.386423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.386423][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.386423][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.386423][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.386423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.386423][ T10] [ 3127.388082][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3127.388082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3127.388082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3127.388082][ T10] ipv6_find_idev+0x102/0x170 [ 3127.388082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3127.388082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3127.388082][ T10] netlink_rcv_skb+0x130/0x360 [ 3127.388082][ T10] netlink_unicast+0x449/0x710 [ 3127.388082][ T10] netlink_sendmsg+0x723/0xbe0 [ 3127.388082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3127.388082][ T10] ___sys_sendmsg+0xee/0x170 [ 3127.388082][ T10] __sys_sendmsg+0xcd/0x170 [ 3127.388082][ T10] do_syscall_64+0xc6/0x1e0 [ 3127.388082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3127.388082][ T10] [ 3137.824393][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3137.824988][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3137.824988][ T10] netdev_get_by_index+0x5e/0x80 [ 3137.824988][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3137.824988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3137.824988][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3137.824988][ T10] ipv6_add_addr+0x411/0x2000 [ 3137.824988][ T10] inet6_addr_add+0x30e/0xa40 [ 3137.824988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.824988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.824988][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.824988][ T10] netlink_unicast+0x449/0x710 [ 3137.824988][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.824988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.824988][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.824988][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.824988][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.824988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.824988][ T10] [ 3137.826945][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3137.826945][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3137.826945][ T10] ipv6_find_idev+0x102/0x170 [ 3137.826945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.826945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.826945][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.826945][ T10] netlink_unicast+0x449/0x710 [ 3137.826945][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.826945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.826945][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.826945][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.826945][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.826945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.826945][ T10] [ 3137.828465][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3137.828465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3137.828465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3137.828465][ T10] ipv6_find_idev+0x102/0x170 [ 3137.828465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.828465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.828465][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.828465][ T10] netlink_unicast+0x449/0x710 [ 3137.828465][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.828465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.828465][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.828465][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.828465][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.828465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.828465][ T10] [ 3137.830191][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3137.830479][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3137.830479][ T10] netdev_get_by_index+0x5e/0x80 [ 3137.830479][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3137.830479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3137.830479][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3137.830479][ T10] ipv6_add_addr+0x411/0x2000 [ 3137.830479][ T10] inet6_addr_add+0x30e/0xa40 [ 3137.830479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.830479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.830479][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.830479][ T10] netlink_unicast+0x449/0x710 [ 3137.830479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.830479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.830479][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.830479][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.830479][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.830479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.830479][ T10] [ 3137.832433][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3137.832433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3137.832433][ T10] ipv6_find_idev+0x102/0x170 [ 3137.832433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.832433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.832433][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.832433][ T10] netlink_unicast+0x449/0x710 [ 3137.832433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.832433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.832433][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.832433][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.832433][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.832433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.832433][ T10] [ 3137.833921][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3137.833921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3137.833921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3137.833921][ T10] ipv6_find_idev+0x102/0x170 [ 3137.833921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.833921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.833921][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.833921][ T10] netlink_unicast+0x449/0x710 [ 3137.833921][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.833921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.833921][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.833921][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.833921][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.833921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.833921][ T10] [ 3137.835546][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3137.835803][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3137.835803][ T10] netdev_get_by_index+0x5e/0x80 [ 3137.835803][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3137.835803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3137.835803][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3137.835803][ T10] ipv6_add_addr+0x411/0x2000 [ 3137.835803][ T10] inet6_addr_add+0x30e/0xa40 [ 3137.835803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.835803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.835803][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.835803][ T10] netlink_unicast+0x449/0x710 [ 3137.835803][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.835803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.835803][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.835803][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.835803][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.835803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.835803][ T10] [ 3137.837728][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3137.837728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3137.837728][ T10] ipv6_find_idev+0x102/0x170 [ 3137.837728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.837728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.837728][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.837728][ T10] netlink_unicast+0x449/0x710 [ 3137.837728][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.837728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.837728][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.837728][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.837728][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.837728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.837728][ T10] [ 3137.839285][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3137.839285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3137.839285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3137.839285][ T10] ipv6_find_idev+0x102/0x170 [ 3137.839285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.839285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.839285][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.839285][ T10] netlink_unicast+0x449/0x710 [ 3137.839285][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.839285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.839285][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.839285][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.839285][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.839285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.839285][ T10] [ 3137.840953][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3137.841669][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3137.841669][ T10] netdev_get_by_index+0x5e/0x80 [ 3137.841669][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3137.841669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3137.841669][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3137.841669][ T10] ipv6_add_addr+0x411/0x2000 [ 3137.841669][ T10] inet6_addr_add+0x30e/0xa40 [ 3137.841669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.841669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.841669][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.841669][ T10] netlink_unicast+0x449/0x710 [ 3137.841669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.841669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.841669][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.841669][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.841669][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.841669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.841669][ T10] [ 3137.843646][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3137.843646][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3137.843646][ T10] ipv6_find_idev+0x102/0x170 [ 3137.843646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.843646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.843646][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.843646][ T10] netlink_unicast+0x449/0x710 [ 3137.843646][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.843646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.843646][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.843646][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.843646][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.843646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.843646][ T10] [ 3137.845163][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3137.845163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3137.845163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3137.845163][ T10] ipv6_find_idev+0x102/0x170 [ 3137.845163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.845163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.845163][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.845163][ T10] netlink_unicast+0x449/0x710 [ 3137.845163][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.845163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.845163][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.845163][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.845163][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.845163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.845163][ T10] [ 3137.846852][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3137.847111][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3137.847111][ T10] netdev_get_by_index+0x5e/0x80 [ 3137.847111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3137.847111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3137.847111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3137.847111][ T10] ipv6_add_addr+0x411/0x2000 [ 3137.847111][ T10] inet6_addr_add+0x30e/0xa40 [ 3137.847111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.847111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.847111][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.847111][ T10] netlink_unicast+0x449/0x710 [ 3137.847111][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.847111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.847111][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.847111][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.847111][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.847111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.847111][ T10] [ 3137.849093][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3137.849093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3137.849093][ T10] ipv6_find_idev+0x102/0x170 [ 3137.849093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.849093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.849093][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.849093][ T10] netlink_unicast+0x449/0x710 [ 3137.849093][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.849093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.849093][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.849093][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.849093][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.849093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.849093][ T10] [ 3137.850615][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3137.850615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3137.850615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3137.850615][ T10] ipv6_find_idev+0x102/0x170 [ 3137.850615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.850615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.850615][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.850615][ T10] netlink_unicast+0x449/0x710 [ 3137.850615][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.850615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.850615][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.850615][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.850615][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.850615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.850615][ T10] [ 3137.852314][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3137.852572][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3137.852572][ T10] netdev_get_by_index+0x5e/0x80 [ 3137.852572][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3137.852572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3137.852572][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3137.852572][ T10] ipv6_add_addr+0x411/0x2000 [ 3137.852572][ T10] inet6_addr_add+0x30e/0xa40 [ 3137.852572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.852572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.852572][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.852572][ T10] netlink_unicast+0x449/0x710 [ 3137.852572][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.852572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.852572][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.852572][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.852572][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.852572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.852572][ T10] [ 3137.854593][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3137.854593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3137.854593][ T10] ipv6_find_idev+0x102/0x170 [ 3137.854593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.854593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.854593][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.854593][ T10] netlink_unicast+0x449/0x710 [ 3137.854593][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.854593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.854593][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.854593][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.854593][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.854593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.854593][ T10] [ 3137.856285][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3137.856285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3137.856285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3137.856285][ T10] ipv6_find_idev+0x102/0x170 [ 3137.856285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.856285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.856285][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.856285][ T10] netlink_unicast+0x449/0x710 [ 3137.856285][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.856285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.856285][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.856285][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.856285][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.856285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.856285][ T10] [ 3137.858201][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3137.858464][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3137.858464][ T10] netdev_get_by_index+0x5e/0x80 [ 3137.858464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3137.858464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3137.858464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3137.858464][ T10] ipv6_add_addr+0x411/0x2000 [ 3137.858464][ T10] inet6_addr_add+0x30e/0xa40 [ 3137.858464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.858464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.858464][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.858464][ T10] netlink_unicast+0x449/0x710 [ 3137.858464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.858464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.858464][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.858464][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.858464][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.858464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.858464][ T10] [ 3137.860558][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3137.860558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3137.860558][ T10] ipv6_find_idev+0x102/0x170 [ 3137.860558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.860558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.860558][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.860558][ T10] netlink_unicast+0x449/0x710 [ 3137.860558][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.860558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.860558][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.860558][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.860558][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.860558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.860558][ T10] [ 3137.862248][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3137.862248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3137.862248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3137.862248][ T10] ipv6_find_idev+0x102/0x170 [ 3137.862248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.862248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.862248][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.862248][ T10] netlink_unicast+0x449/0x710 [ 3137.862248][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.862248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.862248][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.862248][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.862248][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.862248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.862248][ T10] [ 3137.864154][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3137.864423][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3137.864423][ T10] netdev_get_by_index+0x5e/0x80 [ 3137.864423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3137.864423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3137.864423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3137.864423][ T10] ipv6_add_addr+0x411/0x2000 [ 3137.864423][ T10] inet6_addr_add+0x30e/0xa40 [ 3137.864423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3137.864423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.864423][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.864423][ T10] netlink_unicast+0x449/0x710 [ 3137.864423][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.864423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.864423][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.864423][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.864423][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.864423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.864423][ T10] [ 3137.866606][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3137.866606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3137.866606][ T10] ipv6_find_idev+0x102/0x170 [ 3137.866606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.866606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.866606][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.866606][ T10] netlink_unicast+0x449/0x710 [ 3137.866606][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.866606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.866606][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.866606][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.866606][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.866606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.866606][ T10] [ 3137.868255][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3137.868255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3137.868255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3137.868255][ T10] ipv6_find_idev+0x102/0x170 [ 3137.868255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3137.868255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3137.868255][ T10] netlink_rcv_skb+0x130/0x360 [ 3137.868255][ T10] netlink_unicast+0x449/0x710 [ 3137.868255][ T10] netlink_sendmsg+0x723/0xbe0 [ 3137.868255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3137.868255][ T10] ___sys_sendmsg+0xee/0x170 [ 3137.868255][ T10] __sys_sendmsg+0xcd/0x170 [ 3137.868255][ T10] do_syscall_64+0xc6/0x1e0 [ 3137.868255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3137.868255][ T10] [ 3148.120289][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3148.120827][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3148.120827][ T10] netdev_get_by_index+0x5e/0x80 [ 3148.120827][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3148.120827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3148.120827][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3148.120827][ T10] ipv6_add_addr+0x411/0x2000 [ 3148.120827][ T10] inet6_addr_add+0x30e/0xa40 [ 3148.120827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.120827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.120827][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.120827][ T10] netlink_unicast+0x449/0x710 [ 3148.120827][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.120827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.120827][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.120827][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.120827][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.120827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.120827][ T10] [ 3148.122763][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3148.122763][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3148.122763][ T10] ipv6_find_idev+0x102/0x170 [ 3148.122763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.122763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.122763][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.122763][ T10] netlink_unicast+0x449/0x710 [ 3148.122763][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.122763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.122763][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.122763][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.122763][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.122763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.122763][ T10] [ 3148.124292][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3148.124292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3148.124292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3148.124292][ T10] ipv6_find_idev+0x102/0x170 [ 3148.124292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.124292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.124292][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.124292][ T10] netlink_unicast+0x449/0x710 [ 3148.124292][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.124292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.124292][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.124292][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.124292][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.124292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.124292][ T10] [ 3148.125922][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3148.126211][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3148.126211][ T10] netdev_get_by_index+0x5e/0x80 [ 3148.126211][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3148.126211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3148.126211][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3148.126211][ T10] ipv6_add_addr+0x411/0x2000 [ 3148.126211][ T10] inet6_addr_add+0x30e/0xa40 [ 3148.126211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.126211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.126211][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.126211][ T10] netlink_unicast+0x449/0x710 [ 3148.126211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.126211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.126211][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.126211][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.126211][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.126211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.126211][ T10] [ 3148.128183][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3148.128183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3148.128183][ T10] ipv6_find_idev+0x102/0x170 [ 3148.128183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.128183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.128183][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.128183][ T10] netlink_unicast+0x449/0x710 [ 3148.128183][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.128183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.128183][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.128183][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.128183][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.128183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.128183][ T10] [ 3148.129659][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3148.129659][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3148.129659][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3148.129659][ T10] ipv6_find_idev+0x102/0x170 [ 3148.129659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.129659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.129659][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.129659][ T10] netlink_unicast+0x449/0x710 [ 3148.129659][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.129659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.129659][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.129659][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.129659][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.129659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.129659][ T10] [ 3148.131306][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3148.131572][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3148.131572][ T10] netdev_get_by_index+0x5e/0x80 [ 3148.131572][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3148.131572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3148.131572][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3148.131572][ T10] ipv6_add_addr+0x411/0x2000 [ 3148.131572][ T10] inet6_addr_add+0x30e/0xa40 [ 3148.131572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.131572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.131572][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.131572][ T10] netlink_unicast+0x449/0x710 [ 3148.131572][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.131572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.131572][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.131572][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.131572][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.131572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.131572][ T10] [ 3148.133520][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3148.133520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3148.133520][ T10] ipv6_find_idev+0x102/0x170 [ 3148.133520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.133520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.133520][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.133520][ T10] netlink_unicast+0x449/0x710 [ 3148.133520][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.133520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.133520][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.133520][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.133520][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.133520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.133520][ T10] [ 3148.135023][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3148.135023][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3148.135023][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3148.135023][ T10] ipv6_find_idev+0x102/0x170 [ 3148.135023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.135023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.135023][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.135023][ T10] netlink_unicast+0x449/0x710 [ 3148.135023][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.135023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.135023][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.135023][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.135023][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.135023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.135023][ T10] [ 3148.137028][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3148.137645][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3148.137645][ T10] netdev_get_by_index+0x5e/0x80 [ 3148.137645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3148.137645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3148.137645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3148.137645][ T10] ipv6_add_addr+0x411/0x2000 [ 3148.137645][ T10] inet6_addr_add+0x30e/0xa40 [ 3148.137645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.137645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.137645][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.137645][ T10] netlink_unicast+0x449/0x710 [ 3148.137645][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.137645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.137645][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.137645][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.137645][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.137645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.137645][ T10] [ 3148.139599][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3148.139599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3148.139599][ T10] ipv6_find_idev+0x102/0x170 [ 3148.139599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.139599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.139599][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.139599][ T10] netlink_unicast+0x449/0x710 [ 3148.139599][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.139599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.139599][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.139599][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.139599][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.139599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.139599][ T10] [ 3148.141128][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3148.141128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3148.141128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3148.141128][ T10] ipv6_find_idev+0x102/0x170 [ 3148.141128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.141128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.141128][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.141128][ T10] netlink_unicast+0x449/0x710 [ 3148.141128][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.141128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.141128][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.141128][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.141128][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.141128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.141128][ T10] [ 3148.142786][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3148.143047][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3148.143047][ T10] netdev_get_by_index+0x5e/0x80 [ 3148.143047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3148.143047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3148.143047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3148.143047][ T10] ipv6_add_addr+0x411/0x2000 [ 3148.143047][ T10] inet6_addr_add+0x30e/0xa40 [ 3148.143047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.143047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.143047][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.143047][ T10] netlink_unicast+0x449/0x710 [ 3148.143047][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.143047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.143047][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.143047][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.143047][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.143047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.143047][ T10] [ 3148.145011][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3148.145011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3148.145011][ T10] ipv6_find_idev+0x102/0x170 [ 3148.145011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.145011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.145011][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.145011][ T10] netlink_unicast+0x449/0x710 [ 3148.145011][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.145011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.145011][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.145011][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.145011][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.145011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.145011][ T10] [ 3148.146517][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3148.146517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3148.146517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3148.146517][ T10] ipv6_find_idev+0x102/0x170 [ 3148.146517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.146517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.146517][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.146517][ T10] netlink_unicast+0x449/0x710 [ 3148.146517][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.146517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.146517][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.146517][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.146517][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.146517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.146517][ T10] [ 3148.148207][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3148.148467][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3148.148467][ T10] netdev_get_by_index+0x5e/0x80 [ 3148.148467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3148.148467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3148.148467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3148.148467][ T10] ipv6_add_addr+0x411/0x2000 [ 3148.148467][ T10] inet6_addr_add+0x30e/0xa40 [ 3148.148467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.148467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.148467][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.148467][ T10] netlink_unicast+0x449/0x710 [ 3148.148467][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.148467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.148467][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.148467][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.148467][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.148467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.148467][ T10] [ 3148.150464][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3148.150464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3148.150464][ T10] ipv6_find_idev+0x102/0x170 [ 3148.150464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.150464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.150464][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.150464][ T10] netlink_unicast+0x449/0x710 [ 3148.150464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.150464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.150464][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.150464][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.150464][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.150464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.150464][ T10] [ 3148.152064][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3148.152064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3148.152064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3148.152064][ T10] ipv6_find_idev+0x102/0x170 [ 3148.152064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.152064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.152064][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.152064][ T10] netlink_unicast+0x449/0x710 [ 3148.152064][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.152064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.152064][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.152064][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.152064][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.152064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.152064][ T10] [ 3148.153940][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3148.154257][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3148.154257][ T10] netdev_get_by_index+0x5e/0x80 [ 3148.154257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3148.154257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3148.154257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3148.154257][ T10] ipv6_add_addr+0x411/0x2000 [ 3148.154257][ T10] inet6_addr_add+0x30e/0xa40 [ 3148.154257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.154257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.154257][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.154257][ T10] netlink_unicast+0x449/0x710 [ 3148.154257][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.154257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.154257][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.154257][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.154257][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.154257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.154257][ T10] [ 3148.156440][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3148.156440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3148.156440][ T10] ipv6_find_idev+0x102/0x170 [ 3148.156440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.156440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.156440][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.156440][ T10] netlink_unicast+0x449/0x710 [ 3148.156440][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.156440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.156440][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.156440][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.156440][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.156440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.156440][ T10] [ 3148.158086][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3148.158086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3148.158086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3148.158086][ T10] ipv6_find_idev+0x102/0x170 [ 3148.158086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.158086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.158086][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.158086][ T10] netlink_unicast+0x449/0x710 [ 3148.158086][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.158086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.158086][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.158086][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.158086][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.158086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.158086][ T10] [ 3148.159929][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3148.160277][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3148.160277][ T10] netdev_get_by_index+0x5e/0x80 [ 3148.160277][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3148.160277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3148.160277][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3148.160277][ T10] ipv6_add_addr+0x411/0x2000 [ 3148.160277][ T10] inet6_addr_add+0x30e/0xa40 [ 3148.160277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3148.160277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.160277][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.160277][ T10] netlink_unicast+0x449/0x710 [ 3148.160277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.160277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.160277][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.160277][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.160277][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.160277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.160277][ T10] [ 3148.162392][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3148.162392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3148.162392][ T10] ipv6_find_idev+0x102/0x170 [ 3148.162392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.162392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.162392][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.162392][ T10] netlink_unicast+0x449/0x710 [ 3148.162392][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.162392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.162392][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.162392][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.162392][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.162392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.162392][ T10] [ 3148.164084][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3148.164084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3148.164084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3148.164084][ T10] ipv6_find_idev+0x102/0x170 [ 3148.164084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3148.164084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3148.164084][ T10] netlink_rcv_skb+0x130/0x360 [ 3148.164084][ T10] netlink_unicast+0x449/0x710 [ 3148.164084][ T10] netlink_sendmsg+0x723/0xbe0 [ 3148.164084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3148.164084][ T10] ___sys_sendmsg+0xee/0x170 [ 3148.164084][ T10] __sys_sendmsg+0xcd/0x170 [ 3148.164084][ T10] do_syscall_64+0xc6/0x1e0 [ 3148.164084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3148.164084][ T10] [ 3158.416280][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3158.416781][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3158.416781][ T10] netdev_get_by_index+0x5e/0x80 [ 3158.416781][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3158.416781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3158.416781][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3158.416781][ T10] ipv6_add_addr+0x411/0x2000 [ 3158.416781][ T10] inet6_addr_add+0x30e/0xa40 [ 3158.416781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.416781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.416781][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.416781][ T10] netlink_unicast+0x449/0x710 [ 3158.416781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.416781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.416781][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.416781][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.416781][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.416781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.416781][ T10] [ 3158.418801][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3158.418801][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3158.418801][ T10] ipv6_find_idev+0x102/0x170 [ 3158.418801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.418801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.418801][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.418801][ T10] netlink_unicast+0x449/0x710 [ 3158.418801][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.418801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.418801][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.418801][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.418801][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.418801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.418801][ T10] [ 3158.420354][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3158.420354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3158.420354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3158.420354][ T10] ipv6_find_idev+0x102/0x170 [ 3158.420354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.420354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.420354][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.420354][ T10] netlink_unicast+0x449/0x710 [ 3158.420354][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.420354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.420354][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.420354][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.420354][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.420354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.420354][ T10] [ 3158.422064][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3158.422378][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3158.422378][ T10] netdev_get_by_index+0x5e/0x80 [ 3158.422378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3158.422378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3158.422378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3158.422378][ T10] ipv6_add_addr+0x411/0x2000 [ 3158.422378][ T10] inet6_addr_add+0x30e/0xa40 [ 3158.422378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.422378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.422378][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.422378][ T10] netlink_unicast+0x449/0x710 [ 3158.422378][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.422378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.422378][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.422378][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.422378][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.422378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.422378][ T10] [ 3158.424403][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3158.424403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3158.424403][ T10] ipv6_find_idev+0x102/0x170 [ 3158.424403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.424403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.424403][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.424403][ T10] netlink_unicast+0x449/0x710 [ 3158.424403][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.424403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.424403][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.424403][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.424403][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.424403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.424403][ T10] [ 3158.425955][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3158.425955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3158.425955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3158.425955][ T10] ipv6_find_idev+0x102/0x170 [ 3158.425955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.425955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.425955][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.425955][ T10] netlink_unicast+0x449/0x710 [ 3158.425955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.425955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.425955][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.425955][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.425955][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.425955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.425955][ T10] [ 3158.427632][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3158.427892][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3158.427892][ T10] netdev_get_by_index+0x5e/0x80 [ 3158.427892][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3158.427892][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3158.427892][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3158.427892][ T10] ipv6_add_addr+0x411/0x2000 [ 3158.427892][ T10] inet6_addr_add+0x30e/0xa40 [ 3158.427892][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.427892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.427892][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.427892][ T10] netlink_unicast+0x449/0x710 [ 3158.427892][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.427892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.427892][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.427892][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.427892][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.427892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.427892][ T10] [ 3158.429915][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3158.429915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3158.429915][ T10] ipv6_find_idev+0x102/0x170 [ 3158.429915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.429915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.429915][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.429915][ T10] netlink_unicast+0x449/0x710 [ 3158.429915][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.429915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.429915][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.429915][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.429915][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.429915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.429915][ T10] [ 3158.431478][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3158.431478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3158.431478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3158.431478][ T10] ipv6_find_idev+0x102/0x170 [ 3158.431478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.431478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.431478][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.431478][ T10] netlink_unicast+0x449/0x710 [ 3158.431478][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.431478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.431478][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.431478][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.431478][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.431478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.431478][ T10] [ 3158.433545][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3158.433806][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3158.433806][ T10] netdev_get_by_index+0x5e/0x80 [ 3158.433806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3158.433806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3158.433806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3158.433806][ T10] ipv6_add_addr+0x411/0x2000 [ 3158.433806][ T10] inet6_addr_add+0x30e/0xa40 [ 3158.433806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.433806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.433806][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.433806][ T10] netlink_unicast+0x449/0x710 [ 3158.433806][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.433806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.433806][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.433806][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.433806][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.433806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.433806][ T10] [ 3158.435920][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3158.435920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3158.435920][ T10] ipv6_find_idev+0x102/0x170 [ 3158.435920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.435920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.435920][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.435920][ T10] netlink_unicast+0x449/0x710 [ 3158.435920][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.435920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.435920][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.435920][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.435920][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.435920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.435920][ T10] [ 3158.437461][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3158.437461][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3158.437461][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3158.437461][ T10] ipv6_find_idev+0x102/0x170 [ 3158.437461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.437461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.437461][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.437461][ T10] netlink_unicast+0x449/0x710 [ 3158.437461][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.437461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.437461][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.437461][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.437461][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.437461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.437461][ T10] [ 3158.439175][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3158.439448][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3158.439448][ T10] netdev_get_by_index+0x5e/0x80 [ 3158.439448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3158.439448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3158.439448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3158.439448][ T10] ipv6_add_addr+0x411/0x2000 [ 3158.439448][ T10] inet6_addr_add+0x30e/0xa40 [ 3158.439448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.439448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.439448][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.439448][ T10] netlink_unicast+0x449/0x710 [ 3158.439448][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.439448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.439448][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.439448][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.439448][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.439448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.439448][ T10] [ 3158.441435][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3158.441435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3158.441435][ T10] ipv6_find_idev+0x102/0x170 [ 3158.441435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.441435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.441435][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.441435][ T10] netlink_unicast+0x449/0x710 [ 3158.441435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.441435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.441435][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.441435][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.441435][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.441435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.441435][ T10] [ 3158.442998][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3158.442998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3158.442998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3158.442998][ T10] ipv6_find_idev+0x102/0x170 [ 3158.442998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.442998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.442998][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.442998][ T10] netlink_unicast+0x449/0x710 [ 3158.442998][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.442998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.442998][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.442998][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.442998][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.442998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.442998][ T10] [ 3158.444725][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3158.444990][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3158.444990][ T10] netdev_get_by_index+0x5e/0x80 [ 3158.444990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3158.444990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3158.444990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3158.444990][ T10] ipv6_add_addr+0x411/0x2000 [ 3158.444990][ T10] inet6_addr_add+0x30e/0xa40 [ 3158.444990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.444990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.444990][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.444990][ T10] netlink_unicast+0x449/0x710 [ 3158.444990][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.444990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.444990][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.444990][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.444990][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.444990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.444990][ T10] [ 3158.447049][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3158.447049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3158.447049][ T10] ipv6_find_idev+0x102/0x170 [ 3158.447049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.447049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.447049][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.447049][ T10] netlink_unicast+0x449/0x710 [ 3158.447049][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.447049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.447049][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.447049][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.447049][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.447049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.447049][ T10] [ 3158.448710][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3158.448710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3158.448710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3158.448710][ T10] ipv6_find_idev+0x102/0x170 [ 3158.448710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.448710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.448710][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.448710][ T10] netlink_unicast+0x449/0x710 [ 3158.448710][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.448710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.448710][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.448710][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.448710][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.448710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.448710][ T10] [ 3158.450665][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3158.450933][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3158.450933][ T10] netdev_get_by_index+0x5e/0x80 [ 3158.450933][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3158.450933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3158.450933][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3158.450933][ T10] ipv6_add_addr+0x411/0x2000 [ 3158.450933][ T10] inet6_addr_add+0x30e/0xa40 [ 3158.450933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.450933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.450933][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.450933][ T10] netlink_unicast+0x449/0x710 [ 3158.450933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.450933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.450933][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.450933][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.450933][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.450933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.450933][ T10] [ 3158.453124][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3158.453124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3158.453124][ T10] ipv6_find_idev+0x102/0x170 [ 3158.453124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.453124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.453124][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.453124][ T10] netlink_unicast+0x449/0x710 [ 3158.453124][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.453124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.453124][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.453124][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.453124][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.453124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.453124][ T10] [ 3158.454855][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3158.454855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3158.454855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3158.454855][ T10] ipv6_find_idev+0x102/0x170 [ 3158.454855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.454855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.454855][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.454855][ T10] netlink_unicast+0x449/0x710 [ 3158.454855][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.454855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.454855][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.454855][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.454855][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.454855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.454855][ T10] [ 3158.456819][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3158.457083][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3158.457083][ T10] netdev_get_by_index+0x5e/0x80 [ 3158.457083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3158.457083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3158.457083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3158.457083][ T10] ipv6_add_addr+0x411/0x2000 [ 3158.457083][ T10] inet6_addr_add+0x30e/0xa40 [ 3158.457083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3158.457083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.457083][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.457083][ T10] netlink_unicast+0x449/0x710 [ 3158.457083][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.457083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.457083][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.457083][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.457083][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.457083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.457083][ T10] [ 3158.459269][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3158.459269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3158.459269][ T10] ipv6_find_idev+0x102/0x170 [ 3158.459269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.459269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.459269][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.459269][ T10] netlink_unicast+0x449/0x710 [ 3158.459269][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.459269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.459269][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.459269][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.459269][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.459269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.459269][ T10] [ 3158.460924][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3158.460924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3158.460924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3158.460924][ T10] ipv6_find_idev+0x102/0x170 [ 3158.460924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3158.460924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3158.460924][ T10] netlink_rcv_skb+0x130/0x360 [ 3158.460924][ T10] netlink_unicast+0x449/0x710 [ 3158.460924][ T10] netlink_sendmsg+0x723/0xbe0 [ 3158.460924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3158.460924][ T10] ___sys_sendmsg+0xee/0x170 [ 3158.460924][ T10] __sys_sendmsg+0xcd/0x170 [ 3158.460924][ T10] do_syscall_64+0xc6/0x1e0 [ 3158.460924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3158.460924][ T10] [ 3168.712368][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3168.712975][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3168.712975][ T10] netdev_get_by_index+0x5e/0x80 [ 3168.712975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3168.712975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3168.712975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3168.712975][ T10] ipv6_add_addr+0x411/0x2000 [ 3168.712975][ T10] inet6_addr_add+0x30e/0xa40 [ 3168.712975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3168.712975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.712975][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.712975][ T10] netlink_unicast+0x449/0x710 [ 3168.712975][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.712975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.712975][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.712975][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.712975][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.712975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.712975][ T10] [ 3168.715042][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3168.715042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3168.715042][ T10] ipv6_find_idev+0x102/0x170 [ 3168.715042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.715042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.715042][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.715042][ T10] netlink_unicast+0x449/0x710 [ 3168.715042][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.715042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.715042][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.715042][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.715042][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.715042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.715042][ T10] [ 3168.716602][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3168.716602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3168.716602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3168.716602][ T10] ipv6_find_idev+0x102/0x170 [ 3168.716602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.716602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.716602][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.716602][ T10] netlink_unicast+0x449/0x710 [ 3168.716602][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.716602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.716602][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.716602][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.716602][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.716602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.716602][ T10] [ 3168.718287][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3168.718586][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3168.718586][ T10] netdev_get_by_index+0x5e/0x80 [ 3168.718586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3168.718586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3168.718586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3168.718586][ T10] ipv6_add_addr+0x411/0x2000 [ 3168.718586][ T10] inet6_addr_add+0x30e/0xa40 [ 3168.718586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3168.718586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.718586][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.718586][ T10] netlink_unicast+0x449/0x710 [ 3168.718586][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.718586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.718586][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.718586][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.718586][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.718586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.718586][ T10] [ 3168.720588][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3168.720588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3168.720588][ T10] ipv6_find_idev+0x102/0x170 [ 3168.720588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.720588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.720588][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.720588][ T10] netlink_unicast+0x449/0x710 [ 3168.720588][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.720588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.720588][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.720588][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.720588][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.720588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.720588][ T10] [ 3168.722104][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3168.722104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3168.722104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3168.722104][ T10] ipv6_find_idev+0x102/0x170 [ 3168.722104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.722104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.722104][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.722104][ T10] netlink_unicast+0x449/0x710 [ 3168.722104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.722104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.722104][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.722104][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.722104][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.722104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.722104][ T10] [ 3168.723754][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3168.724046][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3168.724046][ T10] netdev_get_by_index+0x5e/0x80 [ 3168.724046][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3168.724046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3168.724046][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3168.724046][ T10] ipv6_add_addr+0x411/0x2000 [ 3168.724046][ T10] inet6_addr_add+0x30e/0xa40 [ 3168.724046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3168.724046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.724046][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.724046][ T10] netlink_unicast+0x449/0x710 [ 3168.724046][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.724046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.724046][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.724046][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.724046][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.724046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.724046][ T10] [ 3168.726035][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3168.726035][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3168.726035][ T10] ipv6_find_idev+0x102/0x170 [ 3168.726035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.726035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.726035][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.726035][ T10] netlink_unicast+0x449/0x710 [ 3168.726035][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.726035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.726035][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.726035][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.726035][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.726035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.726035][ T10] [ 3168.727586][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3168.727586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3168.727586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3168.727586][ T10] ipv6_find_idev+0x102/0x170 [ 3168.727586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.727586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.727586][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.727586][ T10] netlink_unicast+0x449/0x710 [ 3168.727586][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.727586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.727586][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.727586][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.727586][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.727586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.727586][ T10] [ 3168.729234][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3168.729498][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3168.729498][ T10] netdev_get_by_index+0x5e/0x80 [ 3168.729498][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3168.729498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3168.729498][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3168.729498][ T10] ipv6_add_addr+0x411/0x2000 [ 3168.729498][ T10] inet6_addr_add+0x30e/0xa40 [ 3168.729498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3168.729498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.729498][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.729498][ T10] netlink_unicast+0x449/0x710 [ 3168.729498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.729498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.729498][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.729498][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.729498][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.729498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.729498][ T10] [ 3168.731621][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3168.731621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3168.731621][ T10] ipv6_find_idev+0x102/0x170 [ 3168.731621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.731621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.731621][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.731621][ T10] netlink_unicast+0x449/0x710 [ 3168.731621][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.731621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.731621][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.731621][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.731621][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.731621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.731621][ T10] [ 3168.733171][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3168.733171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3168.733171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3168.733171][ T10] ipv6_find_idev+0x102/0x170 [ 3168.733171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.733171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.733171][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.733171][ T10] netlink_unicast+0x449/0x710 [ 3168.733171][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.733171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.733171][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.733171][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.733171][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.733171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.733171][ T10] [ 3168.735321][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3168.735593][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3168.735593][ T10] netdev_get_by_index+0x5e/0x80 [ 3168.735593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3168.735593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3168.735593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3168.735593][ T10] ipv6_add_addr+0x411/0x2000 [ 3168.735593][ T10] inet6_addr_add+0x30e/0xa40 [ 3168.735593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3168.735593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.735593][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.735593][ T10] netlink_unicast+0x449/0x710 [ 3168.735593][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.735593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.735593][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.735593][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.735593][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.735593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.735593][ T10] [ 3168.737603][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3168.737603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3168.737603][ T10] ipv6_find_idev+0x102/0x170 [ 3168.737603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.737603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.737603][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.737603][ T10] netlink_unicast+0x449/0x710 [ 3168.737603][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.737603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.737603][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.737603][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.737603][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.737603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.737603][ T10] [ 3168.739153][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3168.739153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3168.739153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3168.739153][ T10] ipv6_find_idev+0x102/0x170 [ 3168.739153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.739153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.739153][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.739153][ T10] netlink_unicast+0x449/0x710 [ 3168.739153][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.739153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.739153][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.739153][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.739153][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.739153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.739153][ T10] [ 3168.740893][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3168.741225][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3168.741225][ T10] netdev_get_by_index+0x5e/0x80 [ 3168.741225][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3168.741225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3168.741225][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3168.741225][ T10] ipv6_add_addr+0x411/0x2000 [ 3168.741225][ T10] inet6_addr_add+0x30e/0xa40 [ 3168.741225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3168.741225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.741225][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.741225][ T10] netlink_unicast+0x449/0x710 [ 3168.741225][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.741225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.741225][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.741225][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.741225][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.741225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.741225][ T10] [ 3168.743357][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3168.743357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3168.743357][ T10] ipv6_find_idev+0x102/0x170 [ 3168.743357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.743357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.743357][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.743357][ T10] netlink_unicast+0x449/0x710 [ 3168.743357][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.743357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.743357][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.743357][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.743357][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.743357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.743357][ T10] [ 3168.745067][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3168.745067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3168.745067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3168.745067][ T10] ipv6_find_idev+0x102/0x170 [ 3168.745067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.745067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.745067][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.745067][ T10] netlink_unicast+0x449/0x710 [ 3168.745067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.745067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.745067][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.745067][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.745067][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.745067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.745067][ T10] [ 3168.746944][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3168.747272][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3168.747272][ T10] netdev_get_by_index+0x5e/0x80 [ 3168.747272][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3168.747272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3168.747272][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3168.747272][ T10] ipv6_add_addr+0x411/0x2000 [ 3168.747272][ T10] inet6_addr_add+0x30e/0xa40 [ 3168.747272][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3168.747272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.747272][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.747272][ T10] netlink_unicast+0x449/0x710 [ 3168.747272][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.747272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.747272][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.747272][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.747272][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.747272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.747272][ T10] [ 3168.749405][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3168.749405][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3168.749405][ T10] ipv6_find_idev+0x102/0x170 [ 3168.749405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.749405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.749405][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.749405][ T10] netlink_unicast+0x449/0x710 [ 3168.749405][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.749405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.749405][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.749405][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.749405][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.749405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.749405][ T10] [ 3168.751162][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3168.751162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3168.751162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3168.751162][ T10] ipv6_find_idev+0x102/0x170 [ 3168.751162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.751162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.751162][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.751162][ T10] netlink_unicast+0x449/0x710 [ 3168.751162][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.751162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.751162][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.751162][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.751162][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.751162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.751162][ T10] [ 3168.753087][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3168.753423][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3168.753423][ T10] netdev_get_by_index+0x5e/0x80 [ 3168.753423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3168.753423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3168.753423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3168.753423][ T10] ipv6_add_addr+0x411/0x2000 [ 3168.753423][ T10] inet6_addr_add+0x30e/0xa40 [ 3168.753423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3168.753423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.753423][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.753423][ T10] netlink_unicast+0x449/0x710 [ 3168.753423][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.753423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.753423][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.753423][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.753423][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.753423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.753423][ T10] [ 3168.755559][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3168.755559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3168.755559][ T10] ipv6_find_idev+0x102/0x170 [ 3168.755559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.755559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.755559][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.755559][ T10] netlink_unicast+0x449/0x710 [ 3168.755559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.755559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.755559][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.755559][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.755559][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.755559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.755559][ T10] [ 3168.757197][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3168.757197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3168.757197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3168.757197][ T10] ipv6_find_idev+0x102/0x170 [ 3168.757197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3168.757197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3168.757197][ T10] netlink_rcv_skb+0x130/0x360 [ 3168.757197][ T10] netlink_unicast+0x449/0x710 [ 3168.757197][ T10] netlink_sendmsg+0x723/0xbe0 [ 3168.757197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3168.757197][ T10] ___sys_sendmsg+0xee/0x170 [ 3168.757197][ T10] __sys_sendmsg+0xcd/0x170 [ 3168.757197][ T10] do_syscall_64+0xc6/0x1e0 [ 3168.757197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3168.757197][ T10] [ 3179.008298][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3179.008981][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3179.008981][ T10] netdev_get_by_index+0x5e/0x80 [ 3179.008981][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3179.008981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3179.008981][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3179.008981][ T10] ipv6_add_addr+0x411/0x2000 [ 3179.008981][ T10] inet6_addr_add+0x30e/0xa40 [ 3179.008981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.008981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.008981][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.008981][ T10] netlink_unicast+0x449/0x710 [ 3179.008981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.008981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.008981][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.008981][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.008981][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.008981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.008981][ T10] [ 3179.010961][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3179.010961][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3179.010961][ T10] ipv6_find_idev+0x102/0x170 [ 3179.010961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.010961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.010961][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.010961][ T10] netlink_unicast+0x449/0x710 [ 3179.010961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.010961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.010961][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.010961][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.010961][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.010961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.010961][ T10] [ 3179.012462][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3179.012462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3179.012462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3179.012462][ T10] ipv6_find_idev+0x102/0x170 [ 3179.012462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.012462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.012462][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.012462][ T10] netlink_unicast+0x449/0x710 [ 3179.012462][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.012462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.012462][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.012462][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.012462][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.012462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.012462][ T10] [ 3179.014153][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3179.014424][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3179.014424][ T10] netdev_get_by_index+0x5e/0x80 [ 3179.014424][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3179.014424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3179.014424][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3179.014424][ T10] ipv6_add_addr+0x411/0x2000 [ 3179.014424][ T10] inet6_addr_add+0x30e/0xa40 [ 3179.014424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.014424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.014424][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.014424][ T10] netlink_unicast+0x449/0x710 [ 3179.014424][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.014424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.014424][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.014424][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.014424][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.014424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.014424][ T10] [ 3179.016425][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3179.016425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3179.016425][ T10] ipv6_find_idev+0x102/0x170 [ 3179.016425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.016425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.016425][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.016425][ T10] netlink_unicast+0x449/0x710 [ 3179.016425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.016425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.016425][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.016425][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.016425][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.016425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.016425][ T10] [ 3179.017956][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3179.017956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3179.017956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3179.017956][ T10] ipv6_find_idev+0x102/0x170 [ 3179.017956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.017956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.017956][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.017956][ T10] netlink_unicast+0x449/0x710 [ 3179.017956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.017956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.017956][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.017956][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.017956][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.017956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.017956][ T10] [ 3179.019628][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3179.019918][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3179.019918][ T10] netdev_get_by_index+0x5e/0x80 [ 3179.019918][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3179.019918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3179.019918][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3179.019918][ T10] ipv6_add_addr+0x411/0x2000 [ 3179.019918][ T10] inet6_addr_add+0x30e/0xa40 [ 3179.019918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.019918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.019918][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.019918][ T10] netlink_unicast+0x449/0x710 [ 3179.019918][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.019918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.019918][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.019918][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.019918][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.019918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.019918][ T10] [ 3179.021904][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3179.021904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3179.021904][ T10] ipv6_find_idev+0x102/0x170 [ 3179.021904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.021904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.021904][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.021904][ T10] netlink_unicast+0x449/0x710 [ 3179.021904][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.021904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.021904][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.021904][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.021904][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.021904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.021904][ T10] [ 3179.023421][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3179.023421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3179.023421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3179.023421][ T10] ipv6_find_idev+0x102/0x170 [ 3179.023421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.023421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.023421][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.023421][ T10] netlink_unicast+0x449/0x710 [ 3179.023421][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.023421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.023421][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.023421][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.023421][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.023421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.023421][ T10] [ 3179.025088][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3179.025366][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3179.025366][ T10] netdev_get_by_index+0x5e/0x80 [ 3179.025366][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3179.025366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3179.025366][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3179.025366][ T10] ipv6_add_addr+0x411/0x2000 [ 3179.025366][ T10] inet6_addr_add+0x30e/0xa40 [ 3179.025366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.025366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.025366][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.025366][ T10] netlink_unicast+0x449/0x710 [ 3179.025366][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.025366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.025366][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.025366][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.025366][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.025366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.025366][ T10] [ 3179.027349][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3179.027349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3179.027349][ T10] ipv6_find_idev+0x102/0x170 [ 3179.027349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.027349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.027349][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.027349][ T10] netlink_unicast+0x449/0x710 [ 3179.027349][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.027349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.027349][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.027349][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.027349][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.027349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.027349][ T10] [ 3179.028848][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3179.028848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3179.028848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3179.028848][ T10] ipv6_find_idev+0x102/0x170 [ 3179.028848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.028848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.028848][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.028848][ T10] netlink_unicast+0x449/0x710 [ 3179.028848][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.028848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.028848][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.028848][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.028848][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.028848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.028848][ T10] [ 3179.030531][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3179.030798][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3179.030798][ T10] netdev_get_by_index+0x5e/0x80 [ 3179.030798][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3179.030798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3179.030798][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3179.030798][ T10] ipv6_add_addr+0x411/0x2000 [ 3179.030798][ T10] inet6_addr_add+0x30e/0xa40 [ 3179.030798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.030798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.030798][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.030798][ T10] netlink_unicast+0x449/0x710 [ 3179.030798][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.030798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.030798][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.030798][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.030798][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.030798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.030798][ T10] [ 3179.032758][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3179.032758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3179.032758][ T10] ipv6_find_idev+0x102/0x170 [ 3179.032758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.032758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.032758][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.032758][ T10] netlink_unicast+0x449/0x710 [ 3179.032758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.032758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.032758][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.032758][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.032758][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.032758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.032758][ T10] [ 3179.034314][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3179.034314][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3179.034314][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3179.034314][ T10] ipv6_find_idev+0x102/0x170 [ 3179.034314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.034314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.034314][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.034314][ T10] netlink_unicast+0x449/0x710 [ 3179.034314][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.034314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.034314][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.034314][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.034314][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.034314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.034314][ T10] [ 3179.036323][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3179.036638][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3179.036638][ T10] netdev_get_by_index+0x5e/0x80 [ 3179.036638][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3179.036638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3179.036638][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3179.036638][ T10] ipv6_add_addr+0x411/0x2000 [ 3179.036638][ T10] inet6_addr_add+0x30e/0xa40 [ 3179.036638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.036638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.036638][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.036638][ T10] netlink_unicast+0x449/0x710 [ 3179.036638][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.036638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.036638][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.036638][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.036638][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.036638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.036638][ T10] [ 3179.038769][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3179.038769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3179.038769][ T10] ipv6_find_idev+0x102/0x170 [ 3179.038769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.038769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.038769][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.038769][ T10] netlink_unicast+0x449/0x710 [ 3179.038769][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.038769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.038769][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.038769][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.038769][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.038769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.038769][ T10] [ 3179.040374][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3179.040374][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3179.040374][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3179.040374][ T10] ipv6_find_idev+0x102/0x170 [ 3179.040374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.040374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.040374][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.040374][ T10] netlink_unicast+0x449/0x710 [ 3179.040374][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.040374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.040374][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.040374][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.040374][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.040374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.040374][ T10] [ 3179.042299][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3179.042630][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3179.042630][ T10] netdev_get_by_index+0x5e/0x80 [ 3179.042630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3179.042630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3179.042630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3179.042630][ T10] ipv6_add_addr+0x411/0x2000 [ 3179.042630][ T10] inet6_addr_add+0x30e/0xa40 [ 3179.042630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.042630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.042630][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.042630][ T10] netlink_unicast+0x449/0x710 [ 3179.042630][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.042630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.042630][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.042630][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.042630][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.042630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.042630][ T10] [ 3179.044771][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3179.044771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3179.044771][ T10] ipv6_find_idev+0x102/0x170 [ 3179.044771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.044771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.044771][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.044771][ T10] netlink_unicast+0x449/0x710 [ 3179.044771][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.044771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.044771][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.044771][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.044771][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.044771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.044771][ T10] [ 3179.046655][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3179.046655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3179.046655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3179.046655][ T10] ipv6_find_idev+0x102/0x170 [ 3179.046655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.046655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.046655][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.046655][ T10] netlink_unicast+0x449/0x710 [ 3179.046655][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.046655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.046655][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.046655][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.046655][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.046655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.046655][ T10] [ 3179.048561][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3179.048881][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3179.048881][ T10] netdev_get_by_index+0x5e/0x80 [ 3179.048881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3179.048881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3179.048881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3179.048881][ T10] ipv6_add_addr+0x411/0x2000 [ 3179.048881][ T10] inet6_addr_add+0x30e/0xa40 [ 3179.048881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3179.048881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.048881][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.048881][ T10] netlink_unicast+0x449/0x710 [ 3179.048881][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.048881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.048881][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.048881][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.048881][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.048881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.048881][ T10] [ 3179.051061][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3179.051061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3179.051061][ T10] ipv6_find_idev+0x102/0x170 [ 3179.051061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.051061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.051061][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.051061][ T10] netlink_unicast+0x449/0x710 [ 3179.051061][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.051061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.051061][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.051061][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.051061][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.051061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.051061][ T10] [ 3179.052798][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3179.052798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3179.052798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3179.052798][ T10] ipv6_find_idev+0x102/0x170 [ 3179.052798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3179.052798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3179.052798][ T10] netlink_rcv_skb+0x130/0x360 [ 3179.052798][ T10] netlink_unicast+0x449/0x710 [ 3179.052798][ T10] netlink_sendmsg+0x723/0xbe0 [ 3179.052798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3179.052798][ T10] ___sys_sendmsg+0xee/0x170 [ 3179.052798][ T10] __sys_sendmsg+0xcd/0x170 [ 3179.052798][ T10] do_syscall_64+0xc6/0x1e0 [ 3179.052798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3179.052798][ T10] [ 3189.056285][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3189.056956][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3189.056956][ T10] netdev_get_by_index+0x5e/0x80 [ 3189.056956][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3189.056956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3189.056956][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3189.056956][ T10] ipv6_add_addr+0x411/0x2000 [ 3189.056956][ T10] inet6_addr_add+0x30e/0xa40 [ 3189.056956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.056956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.056956][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.056956][ T10] netlink_unicast+0x449/0x710 [ 3189.056956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.056956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.056956][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.056956][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.056956][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.056956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.056956][ T10] [ 3189.058903][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3189.058903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3189.058903][ T10] ipv6_find_idev+0x102/0x170 [ 3189.058903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.058903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.058903][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.058903][ T10] netlink_unicast+0x449/0x710 [ 3189.058903][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.058903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.058903][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.058903][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.058903][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.058903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.058903][ T10] [ 3189.060453][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3189.060453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3189.060453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3189.060453][ T10] ipv6_find_idev+0x102/0x170 [ 3189.060453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.060453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.060453][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.060453][ T10] netlink_unicast+0x449/0x710 [ 3189.060453][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.060453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.060453][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.060453][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.060453][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.060453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.060453][ T10] [ 3189.062124][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3189.062397][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3189.062397][ T10] netdev_get_by_index+0x5e/0x80 [ 3189.062397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3189.062397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3189.062397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3189.062397][ T10] ipv6_add_addr+0x411/0x2000 [ 3189.062397][ T10] inet6_addr_add+0x30e/0xa40 [ 3189.062397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.062397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.062397][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.062397][ T10] netlink_unicast+0x449/0x710 [ 3189.062397][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.062397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.062397][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.062397][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.062397][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.062397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.062397][ T10] [ 3189.064371][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3189.064371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3189.064371][ T10] ipv6_find_idev+0x102/0x170 [ 3189.064371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.064371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.064371][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.064371][ T10] netlink_unicast+0x449/0x710 [ 3189.064371][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.064371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.064371][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.064371][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.064371][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.064371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.064371][ T10] [ 3189.065872][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3189.065872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3189.065872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3189.065872][ T10] ipv6_find_idev+0x102/0x170 [ 3189.065872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.065872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.065872][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.065872][ T10] netlink_unicast+0x449/0x710 [ 3189.065872][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.065872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.065872][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.065872][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.065872][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.065872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.065872][ T10] [ 3189.067565][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3189.067825][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3189.067825][ T10] netdev_get_by_index+0x5e/0x80 [ 3189.067825][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3189.067825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3189.067825][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3189.067825][ T10] ipv6_add_addr+0x411/0x2000 [ 3189.067825][ T10] inet6_addr_add+0x30e/0xa40 [ 3189.067825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.067825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.067825][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.067825][ T10] netlink_unicast+0x449/0x710 [ 3189.067825][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.067825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.067825][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.067825][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.067825][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.067825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.067825][ T10] [ 3189.069820][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3189.069820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3189.069820][ T10] ipv6_find_idev+0x102/0x170 [ 3189.069820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.069820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.069820][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.069820][ T10] netlink_unicast+0x449/0x710 [ 3189.069820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.069820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.069820][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.069820][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.069820][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.069820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.069820][ T10] [ 3189.071352][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3189.071352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3189.071352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3189.071352][ T10] ipv6_find_idev+0x102/0x170 [ 3189.071352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.071352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.071352][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.071352][ T10] netlink_unicast+0x449/0x710 [ 3189.071352][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.071352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.071352][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.071352][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.071352][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.071352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.071352][ T10] [ 3189.073032][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3189.073741][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3189.073741][ T10] netdev_get_by_index+0x5e/0x80 [ 3189.073741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3189.073741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3189.073741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3189.073741][ T10] ipv6_add_addr+0x411/0x2000 [ 3189.073741][ T10] inet6_addr_add+0x30e/0xa40 [ 3189.073741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.073741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.073741][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.073741][ T10] netlink_unicast+0x449/0x710 [ 3189.073741][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.073741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.073741][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.073741][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.073741][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.073741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.073741][ T10] [ 3189.075703][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3189.075703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3189.075703][ T10] ipv6_find_idev+0x102/0x170 [ 3189.075703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.075703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.075703][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.075703][ T10] netlink_unicast+0x449/0x710 [ 3189.075703][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.075703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.075703][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.075703][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.075703][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.075703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.075703][ T10] [ 3189.077231][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3189.077231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3189.077231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3189.077231][ T10] ipv6_find_idev+0x102/0x170 [ 3189.077231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.077231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.077231][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.077231][ T10] netlink_unicast+0x449/0x710 [ 3189.077231][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.077231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.077231][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.077231][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.077231][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.077231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.077231][ T10] [ 3189.078936][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3189.079255][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3189.079255][ T10] netdev_get_by_index+0x5e/0x80 [ 3189.079255][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3189.079255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3189.079255][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3189.079255][ T10] ipv6_add_addr+0x411/0x2000 [ 3189.079255][ T10] inet6_addr_add+0x30e/0xa40 [ 3189.079255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.079255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.079255][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.079255][ T10] netlink_unicast+0x449/0x710 [ 3189.079255][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.079255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.079255][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.079255][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.079255][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.079255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.079255][ T10] [ 3189.081254][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3189.081254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3189.081254][ T10] ipv6_find_idev+0x102/0x170 [ 3189.081254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.081254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.081254][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.081254][ T10] netlink_unicast+0x449/0x710 [ 3189.081254][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.081254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.081254][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.081254][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.081254][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.081254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.081254][ T10] [ 3189.082789][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3189.082789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3189.082789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3189.082789][ T10] ipv6_find_idev+0x102/0x170 [ 3189.082789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.082789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.082789][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.082789][ T10] netlink_unicast+0x449/0x710 [ 3189.082789][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.082789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.082789][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.082789][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.082789][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.082789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.082789][ T10] [ 3189.084505][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3189.084813][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3189.084813][ T10] netdev_get_by_index+0x5e/0x80 [ 3189.084813][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3189.084813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3189.084813][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3189.084813][ T10] ipv6_add_addr+0x411/0x2000 [ 3189.084813][ T10] inet6_addr_add+0x30e/0xa40 [ 3189.084813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.084813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.084813][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.084813][ T10] netlink_unicast+0x449/0x710 [ 3189.084813][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.084813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.084813][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.084813][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.084813][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.084813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.084813][ T10] [ 3189.086798][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3189.086798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3189.086798][ T10] ipv6_find_idev+0x102/0x170 [ 3189.086798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.086798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.086798][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.086798][ T10] netlink_unicast+0x449/0x710 [ 3189.086798][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.086798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.086798][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.086798][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.086798][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.086798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.086798][ T10] [ 3189.088405][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3189.088405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3189.088405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3189.088405][ T10] ipv6_find_idev+0x102/0x170 [ 3189.088405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.088405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.088405][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.088405][ T10] netlink_unicast+0x449/0x710 [ 3189.088405][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.088405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.088405][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.088405][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.088405][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.088405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.088405][ T10] [ 3189.090396][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3189.090714][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3189.090714][ T10] netdev_get_by_index+0x5e/0x80 [ 3189.090714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3189.090714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3189.090714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3189.090714][ T10] ipv6_add_addr+0x411/0x2000 [ 3189.090714][ T10] inet6_addr_add+0x30e/0xa40 [ 3189.090714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.090714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.090714][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.090714][ T10] netlink_unicast+0x449/0x710 [ 3189.090714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.090714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.090714][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.090714][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.090714][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.090714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.090714][ T10] [ 3189.092854][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3189.092854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3189.092854][ T10] ipv6_find_idev+0x102/0x170 [ 3189.092854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.092854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.092854][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.092854][ T10] netlink_unicast+0x449/0x710 [ 3189.092854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.092854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.092854][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.092854][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.092854][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.092854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.092854][ T10] [ 3189.094512][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3189.094512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3189.094512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3189.094512][ T10] ipv6_find_idev+0x102/0x170 [ 3189.094512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.094512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.094512][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.094512][ T10] netlink_unicast+0x449/0x710 [ 3189.094512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.094512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.094512][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.094512][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.094512][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.094512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.094512][ T10] [ 3189.096356][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3189.096688][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3189.096688][ T10] netdev_get_by_index+0x5e/0x80 [ 3189.096688][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3189.096688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3189.096688][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3189.096688][ T10] ipv6_add_addr+0x411/0x2000 [ 3189.096688][ T10] inet6_addr_add+0x30e/0xa40 [ 3189.096688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3189.096688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.096688][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.096688][ T10] netlink_unicast+0x449/0x710 [ 3189.096688][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.096688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.096688][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.096688][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.096688][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.096688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.096688][ T10] [ 3189.098821][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3189.098821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3189.098821][ T10] ipv6_find_idev+0x102/0x170 [ 3189.098821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.098821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.098821][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.098821][ T10] netlink_unicast+0x449/0x710 [ 3189.098821][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.098821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.098821][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.098821][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.098821][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.098821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.098821][ T10] [ 3189.100577][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3189.100577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3189.100577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3189.100577][ T10] ipv6_find_idev+0x102/0x170 [ 3189.100577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3189.100577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3189.100577][ T10] netlink_rcv_skb+0x130/0x360 [ 3189.100577][ T10] netlink_unicast+0x449/0x710 [ 3189.100577][ T10] netlink_sendmsg+0x723/0xbe0 [ 3189.100577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3189.100577][ T10] ___sys_sendmsg+0xee/0x170 [ 3189.100577][ T10] __sys_sendmsg+0xcd/0x170 [ 3189.100577][ T10] do_syscall_64+0xc6/0x1e0 [ 3189.100577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3189.100577][ T10] [ 3196.184295][ T42] INFO: task modprobe:14771 blocked for more than 122 seconds. [ 3196.184953][ T42] Not tainted 6.8.0-virtme #1 [ 3196.185072][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3196.185309][ T42] task:modprobe state:D stack:25856 pid:14771 tgid:14771 ppid:36 flags:0x00004002 [ 3196.185562][ T42] Call Trace: [ 3196.185665][ T42] [ 3196.185738][ T42] __schedule+0x705/0x1ac0 [ 3196.185886][ T42] ? __pfx___schedule+0x10/0x10 [ 3196.186014][ T42] ? schedule+0x1a5/0x210 [ 3196.186120][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3196.186247][ T42] ? mark_lock+0x38/0x3e0 [ 3196.186338][ T42] ? do_raw_spin_lock+0x131/0x270 [ 3196.186730][ T42] ? schedule+0x1a5/0x210 [ 3196.186829][ T42] schedule+0xdf/0x210 [ 3196.186923][ T42] schedule_preempt_disabled+0x15/0x30 [ 3196.187041][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 3196.187182][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 3196.187337][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3196.187463][ T42] ? lock_acquire+0x1c1/0x220 [ 3196.187585][ T42] ? register_pernet_subsys+0x1a/0x50 [ 3196.187712][ T42] down_write+0x1c9/0x200 [ 3196.187807][ T42] ? __pfx_down_write+0x10/0x10 [ 3196.187926][ T42] ? __lock_release+0x103/0x460 [ 3196.188044][ T42] ? __create_object+0x5e/0xb0 [ 3196.188177][ T42] ? __pfx___lock_release+0x10/0x10 [ 3196.188304][ T42] register_pernet_subsys+0x1a/0x50 [ 3196.188426][ T42] tcf_register_action+0xa3/0x600 [ 3196.188547][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 3196.188702][ T42] do_one_initcall+0xc8/0x3f0 [ 3196.188824][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 3196.188949][ T42] ? __create_object+0x5e/0xb0 [ 3196.189074][ T42] ? kasan_unpoison+0x27/0x60 [ 3196.189223][ T42] do_init_module+0x233/0x740 [ 3196.189378][ T42] load_module+0x16b5/0x2350 [ 3196.189514][ T42] ? __pfx_load_module+0x10/0x10 [ 3196.189638][ T42] ? kernel_read_file+0x3d2/0x520 [ 3196.189776][ T42] ? kernel_read_file+0x300/0x520 [ 3196.189925][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 3196.190058][ T42] ? init_module_from_file+0xd2/0x130 [ 3196.190186][ T42] init_module_from_file+0xd2/0x130 [ 3196.190311][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 3196.190459][ T42] ? __lock_release+0x103/0x460 [ 3196.190580][ T42] ? idempotent_init_module+0x32a/0x620 [ 3196.190709][ T42] ? idempotent_init_module+0x32a/0x620 [ 3196.190831][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 3196.190953][ T42] idempotent_init_module+0x342/0x620 [ 3196.191076][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 3196.191249][ T42] __x64_sys_finit_module+0xbe/0x130 [ 3196.191380][ T42] do_syscall_64+0xc6/0x1e0 [ 3196.191502][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3196.191657][ T42] RIP: 0033:0x7f9f7563de5d [ 3196.191789][ T42] RSP: 002b:00007ffe3a6850f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 3196.191971][ T42] RAX: ffffffffffffffda RBX: 0000558501133c00 RCX: 00007f9f7563de5d [ 3196.192163][ T42] RDX: 0000000000000000 RSI: 00005584c204fa2a RDI: 0000000000000000 [ 3196.192380][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe3a685230 [ 3196.192558][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584c204fa2a [ 3196.192736][ T42] R13: 0000558501133b10 R14: 0000558501133f40 R15: 0000558501133c72 [ 3196.192948][ T42] [ 3196.193044][ T42] [ 3196.193044][ T42] Showing all locks held in the system: [ 3196.193247][ T42] 3 locks held by kworker/u16:0/10: [ 3196.193379][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3196.193630][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3196.193847][ T42] #2: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 3196.194075][ T42] 2 locks held by kworker/u17:0/36: [ 3196.194203][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3196.194443][ T42] #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3196.194710][ T42] 1 lock held by khungtaskd/42: [ 3196.194824][ T42] #0: ffffffff96f69160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 3196.195040][ T42] 1 lock held by modprobe/14771: [ 3196.195168][ T42] #0: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 3196.195409][ T42] [ 3196.195473][ T42] ============================================= [ 3196.195473][ T42] [ 3199.344303][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3199.344955][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3199.344955][ T10] netdev_get_by_index+0x5e/0x80 [ 3199.344955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3199.344955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3199.344955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3199.344955][ T10] ipv6_add_addr+0x411/0x2000 [ 3199.344955][ T10] inet6_addr_add+0x30e/0xa40 [ 3199.344955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.344955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.344955][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.344955][ T10] netlink_unicast+0x449/0x710 [ 3199.344955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.344955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.344955][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.344955][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.344955][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.344955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.344955][ T10] [ 3199.346909][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3199.346909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3199.346909][ T10] ipv6_find_idev+0x102/0x170 [ 3199.346909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.346909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.346909][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.346909][ T10] netlink_unicast+0x449/0x710 [ 3199.346909][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.346909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.346909][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.346909][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.346909][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.346909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.346909][ T10] [ 3199.348394][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3199.348394][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3199.348394][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3199.348394][ T10] ipv6_find_idev+0x102/0x170 [ 3199.348394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.348394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.348394][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.348394][ T10] netlink_unicast+0x449/0x710 [ 3199.348394][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.348394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.348394][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.348394][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.348394][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.348394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.348394][ T10] [ 3199.350046][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3199.350356][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3199.350356][ T10] netdev_get_by_index+0x5e/0x80 [ 3199.350356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3199.350356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3199.350356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3199.350356][ T10] ipv6_add_addr+0x411/0x2000 [ 3199.350356][ T10] inet6_addr_add+0x30e/0xa40 [ 3199.350356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.350356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.350356][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.350356][ T10] netlink_unicast+0x449/0x710 [ 3199.350356][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.350356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.350356][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.350356][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.350356][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.350356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.350356][ T10] [ 3199.352317][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3199.352317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3199.352317][ T10] ipv6_find_idev+0x102/0x170 [ 3199.352317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.352317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.352317][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.352317][ T10] netlink_unicast+0x449/0x710 [ 3199.352317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.352317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.352317][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.352317][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.352317][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.352317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.352317][ T10] [ 3199.353840][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3199.353840][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3199.353840][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3199.353840][ T10] ipv6_find_idev+0x102/0x170 [ 3199.353840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.353840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.353840][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.353840][ T10] netlink_unicast+0x449/0x710 [ 3199.353840][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.353840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.353840][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.353840][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.353840][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.353840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.353840][ T10] [ 3199.355462][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3199.355720][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3199.355720][ T10] netdev_get_by_index+0x5e/0x80 [ 3199.355720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3199.355720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3199.355720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3199.355720][ T10] ipv6_add_addr+0x411/0x2000 [ 3199.355720][ T10] inet6_addr_add+0x30e/0xa40 [ 3199.355720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.355720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.355720][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.355720][ T10] netlink_unicast+0x449/0x710 [ 3199.355720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.355720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.355720][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.355720][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.355720][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.355720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.355720][ T10] [ 3199.357700][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3199.357700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3199.357700][ T10] ipv6_find_idev+0x102/0x170 [ 3199.357700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.357700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.357700][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.357700][ T10] netlink_unicast+0x449/0x710 [ 3199.357700][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.357700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.357700][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.357700][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.357700][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.357700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.357700][ T10] [ 3199.359211][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3199.359211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3199.359211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3199.359211][ T10] ipv6_find_idev+0x102/0x170 [ 3199.359211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.359211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.359211][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.359211][ T10] netlink_unicast+0x449/0x710 [ 3199.359211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.359211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.359211][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.359211][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.359211][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.359211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.359211][ T10] [ 3199.360835][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3199.361087][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3199.361087][ T10] netdev_get_by_index+0x5e/0x80 [ 3199.361087][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3199.361087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3199.361087][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3199.361087][ T10] ipv6_add_addr+0x411/0x2000 [ 3199.361087][ T10] inet6_addr_add+0x30e/0xa40 [ 3199.361087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.361087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.361087][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.361087][ T10] netlink_unicast+0x449/0x710 [ 3199.361087][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.361087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.361087][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.361087][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.361087][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.361087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.361087][ T10] [ 3199.363078][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3199.363078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3199.363078][ T10] ipv6_find_idev+0x102/0x170 [ 3199.363078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.363078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.363078][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.363078][ T10] netlink_unicast+0x449/0x710 [ 3199.363078][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.363078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.363078][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.363078][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.363078][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.363078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.363078][ T10] [ 3199.364580][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3199.364580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3199.364580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3199.364580][ T10] ipv6_find_idev+0x102/0x170 [ 3199.364580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.364580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.364580][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.364580][ T10] netlink_unicast+0x449/0x710 [ 3199.364580][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.364580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.364580][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.364580][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.364580][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.364580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.364580][ T10] [ 3199.366667][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3199.366931][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3199.366931][ T10] netdev_get_by_index+0x5e/0x80 [ 3199.366931][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3199.366931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3199.366931][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3199.366931][ T10] ipv6_add_addr+0x411/0x2000 [ 3199.366931][ T10] inet6_addr_add+0x30e/0xa40 [ 3199.366931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.366931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.366931][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.366931][ T10] netlink_unicast+0x449/0x710 [ 3199.366931][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.366931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.366931][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.366931][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.366931][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.366931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.366931][ T10] [ 3199.368891][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3199.368891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3199.368891][ T10] ipv6_find_idev+0x102/0x170 [ 3199.368891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.368891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.368891][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.368891][ T10] netlink_unicast+0x449/0x710 [ 3199.368891][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.368891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.368891][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.368891][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.368891][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.368891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.368891][ T10] [ 3199.370412][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3199.370412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3199.370412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3199.370412][ T10] ipv6_find_idev+0x102/0x170 [ 3199.370412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.370412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.370412][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.370412][ T10] netlink_unicast+0x449/0x710 [ 3199.370412][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.370412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.370412][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.370412][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.370412][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.370412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.370412][ T10] [ 3199.372126][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3199.372389][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3199.372389][ T10] netdev_get_by_index+0x5e/0x80 [ 3199.372389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3199.372389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3199.372389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3199.372389][ T10] ipv6_add_addr+0x411/0x2000 [ 3199.372389][ T10] inet6_addr_add+0x30e/0xa40 [ 3199.372389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.372389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.372389][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.372389][ T10] netlink_unicast+0x449/0x710 [ 3199.372389][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.372389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.372389][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.372389][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.372389][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.372389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.372389][ T10] [ 3199.374668][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3199.374668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3199.374668][ T10] ipv6_find_idev+0x102/0x170 [ 3199.374668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.374668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.374668][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.374668][ T10] netlink_unicast+0x449/0x710 [ 3199.374668][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.374668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.374668][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.374668][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.374668][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.374668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.374668][ T10] [ 3199.376362][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3199.376362][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3199.376362][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3199.376362][ T10] ipv6_find_idev+0x102/0x170 [ 3199.376362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.376362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.376362][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.376362][ T10] netlink_unicast+0x449/0x710 [ 3199.376362][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.376362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.376362][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.376362][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.376362][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.376362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.376362][ T10] [ 3199.378294][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3199.378559][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3199.378559][ T10] netdev_get_by_index+0x5e/0x80 [ 3199.378559][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3199.378559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3199.378559][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3199.378559][ T10] ipv6_add_addr+0x411/0x2000 [ 3199.378559][ T10] inet6_addr_add+0x30e/0xa40 [ 3199.378559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.378559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.378559][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.378559][ T10] netlink_unicast+0x449/0x710 [ 3199.378559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.378559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.378559][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.378559][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.378559][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.378559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.378559][ T10] [ 3199.380762][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3199.380762][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3199.380762][ T10] ipv6_find_idev+0x102/0x170 [ 3199.380762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.380762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.380762][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.380762][ T10] netlink_unicast+0x449/0x710 [ 3199.380762][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.380762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.380762][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.380762][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.380762][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.380762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.380762][ T10] [ 3199.382393][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3199.382393][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3199.382393][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3199.382393][ T10] ipv6_find_idev+0x102/0x170 [ 3199.382393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.382393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.382393][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.382393][ T10] netlink_unicast+0x449/0x710 [ 3199.382393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.382393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.382393][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.382393][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.382393][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.382393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.382393][ T10] [ 3199.384323][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3199.384582][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3199.384582][ T10] netdev_get_by_index+0x5e/0x80 [ 3199.384582][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3199.384582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3199.384582][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3199.384582][ T10] ipv6_add_addr+0x411/0x2000 [ 3199.384582][ T10] inet6_addr_add+0x30e/0xa40 [ 3199.384582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3199.384582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.384582][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.384582][ T10] netlink_unicast+0x449/0x710 [ 3199.384582][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.384582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.384582][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.384582][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.384582][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.384582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.384582][ T10] [ 3199.386720][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3199.386720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3199.386720][ T10] ipv6_find_idev+0x102/0x170 [ 3199.386720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.386720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.386720][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.386720][ T10] netlink_unicast+0x449/0x710 [ 3199.386720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.386720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.386720][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.386720][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.386720][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.386720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.386720][ T10] [ 3199.388468][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3199.388468][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3199.388468][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3199.388468][ T10] ipv6_find_idev+0x102/0x170 [ 3199.388468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3199.388468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3199.388468][ T10] netlink_rcv_skb+0x130/0x360 [ 3199.388468][ T10] netlink_unicast+0x449/0x710 [ 3199.388468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3199.388468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3199.388468][ T10] ___sys_sendmsg+0xee/0x170 [ 3199.388468][ T10] __sys_sendmsg+0xcd/0x170 [ 3199.388468][ T10] do_syscall_64+0xc6/0x1e0 [ 3199.388468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3199.388468][ T10] [ 3209.632307][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3209.633089][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3209.633089][ T10] netdev_get_by_index+0x5e/0x80 [ 3209.633089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3209.633089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3209.633089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3209.633089][ T10] ipv6_add_addr+0x411/0x2000 [ 3209.633089][ T10] inet6_addr_add+0x30e/0xa40 [ 3209.633089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3209.633089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.633089][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.633089][ T10] netlink_unicast+0x449/0x710 [ 3209.633089][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.633089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.633089][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.633089][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.633089][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.633089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.633089][ T10] [ 3209.635063][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3209.635063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3209.635063][ T10] ipv6_find_idev+0x102/0x170 [ 3209.635063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.635063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.635063][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.635063][ T10] netlink_unicast+0x449/0x710 [ 3209.635063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.635063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.635063][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.635063][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.635063][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.635063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.635063][ T10] [ 3209.636556][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3209.636556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3209.636556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3209.636556][ T10] ipv6_find_idev+0x102/0x170 [ 3209.636556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.636556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.636556][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.636556][ T10] netlink_unicast+0x449/0x710 [ 3209.636556][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.636556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.636556][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.636556][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.636556][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.636556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.636556][ T10] [ 3209.638193][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3209.638502][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3209.638502][ T10] netdev_get_by_index+0x5e/0x80 [ 3209.638502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3209.638502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3209.638502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3209.638502][ T10] ipv6_add_addr+0x411/0x2000 [ 3209.638502][ T10] inet6_addr_add+0x30e/0xa40 [ 3209.638502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3209.638502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.638502][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.638502][ T10] netlink_unicast+0x449/0x710 [ 3209.638502][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.638502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.638502][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.638502][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.638502][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.638502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.638502][ T10] [ 3209.640474][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3209.640474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3209.640474][ T10] ipv6_find_idev+0x102/0x170 [ 3209.640474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.640474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.640474][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.640474][ T10] netlink_unicast+0x449/0x710 [ 3209.640474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.640474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.640474][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.640474][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.640474][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.640474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.640474][ T10] [ 3209.641948][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3209.641948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3209.641948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3209.641948][ T10] ipv6_find_idev+0x102/0x170 [ 3209.641948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.641948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.641948][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.641948][ T10] netlink_unicast+0x449/0x710 [ 3209.641948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.641948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.641948][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.641948][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.641948][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.641948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.641948][ T10] [ 3209.643575][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3209.643858][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3209.643858][ T10] netdev_get_by_index+0x5e/0x80 [ 3209.643858][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3209.643858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3209.643858][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3209.643858][ T10] ipv6_add_addr+0x411/0x2000 [ 3209.643858][ T10] inet6_addr_add+0x30e/0xa40 [ 3209.643858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3209.643858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.643858][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.643858][ T10] netlink_unicast+0x449/0x710 [ 3209.643858][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.643858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.643858][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.643858][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.643858][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.643858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.643858][ T10] [ 3209.645850][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3209.645850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3209.645850][ T10] ipv6_find_idev+0x102/0x170 [ 3209.645850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.645850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.645850][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.645850][ T10] netlink_unicast+0x449/0x710 [ 3209.645850][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.645850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.645850][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.645850][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.645850][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.645850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.645850][ T10] [ 3209.647335][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3209.647335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3209.647335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3209.647335][ T10] ipv6_find_idev+0x102/0x170 [ 3209.647335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.647335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.647335][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.647335][ T10] netlink_unicast+0x449/0x710 [ 3209.647335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.647335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.647335][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.647335][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.647335][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.647335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.647335][ T10] [ 3209.649090][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3209.649386][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3209.649386][ T10] netdev_get_by_index+0x5e/0x80 [ 3209.649386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3209.649386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3209.649386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3209.649386][ T10] ipv6_add_addr+0x411/0x2000 [ 3209.649386][ T10] inet6_addr_add+0x30e/0xa40 [ 3209.649386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3209.649386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.649386][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.649386][ T10] netlink_unicast+0x449/0x710 [ 3209.649386][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.649386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.649386][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.649386][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.649386][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.649386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.649386][ T10] [ 3209.651393][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3209.651393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3209.651393][ T10] ipv6_find_idev+0x102/0x170 [ 3209.651393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.651393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.651393][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.651393][ T10] netlink_unicast+0x449/0x710 [ 3209.651393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.651393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.651393][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.651393][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.651393][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.651393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.651393][ T10] [ 3209.652869][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3209.652869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3209.652869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3209.652869][ T10] ipv6_find_idev+0x102/0x170 [ 3209.652869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.652869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.652869][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.652869][ T10] netlink_unicast+0x449/0x710 [ 3209.652869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.652869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.652869][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.652869][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.652869][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.652869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.652869][ T10] [ 3209.654565][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3209.654826][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3209.654826][ T10] netdev_get_by_index+0x5e/0x80 [ 3209.654826][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3209.654826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3209.654826][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3209.654826][ T10] ipv6_add_addr+0x411/0x2000 [ 3209.654826][ T10] inet6_addr_add+0x30e/0xa40 [ 3209.654826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3209.654826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.654826][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.654826][ T10] netlink_unicast+0x449/0x710 [ 3209.654826][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.654826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.654826][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.654826][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.654826][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.654826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.654826][ T10] [ 3209.656768][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3209.656768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3209.656768][ T10] ipv6_find_idev+0x102/0x170 [ 3209.656768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.656768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.656768][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.656768][ T10] netlink_unicast+0x449/0x710 [ 3209.656768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.656768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.656768][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.656768][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.656768][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.656768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.656768][ T10] [ 3209.658310][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3209.658310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3209.658310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3209.658310][ T10] ipv6_find_idev+0x102/0x170 [ 3209.658310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.658310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.658310][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.658310][ T10] netlink_unicast+0x449/0x710 [ 3209.658310][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.658310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.658310][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.658310][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.658310][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.658310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.658310][ T10] [ 3209.660174][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3209.660433][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3209.660433][ T10] netdev_get_by_index+0x5e/0x80 [ 3209.660433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3209.660433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3209.660433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3209.660433][ T10] ipv6_add_addr+0x411/0x2000 [ 3209.660433][ T10] inet6_addr_add+0x30e/0xa40 [ 3209.660433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3209.660433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.660433][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.660433][ T10] netlink_unicast+0x449/0x710 [ 3209.660433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.660433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.660433][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.660433][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.660433][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.660433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.660433][ T10] [ 3209.662716][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3209.662716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3209.662716][ T10] ipv6_find_idev+0x102/0x170 [ 3209.662716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.662716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.662716][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.662716][ T10] netlink_unicast+0x449/0x710 [ 3209.662716][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.662716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.662716][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.662716][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.662716][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.662716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.662716][ T10] [ 3209.664429][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3209.664429][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3209.664429][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3209.664429][ T10] ipv6_find_idev+0x102/0x170 [ 3209.664429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.664429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.664429][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.664429][ T10] netlink_unicast+0x449/0x710 [ 3209.664429][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.664429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.664429][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.664429][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.664429][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.664429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.664429][ T10] [ 3209.666334][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3209.666600][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3209.666600][ T10] netdev_get_by_index+0x5e/0x80 [ 3209.666600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3209.666600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3209.666600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3209.666600][ T10] ipv6_add_addr+0x411/0x2000 [ 3209.666600][ T10] inet6_addr_add+0x30e/0xa40 [ 3209.666600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3209.666600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.666600][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.666600][ T10] netlink_unicast+0x449/0x710 [ 3209.666600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.666600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.666600][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.666600][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.666600][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.666600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.666600][ T10] [ 3209.668842][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3209.668842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3209.668842][ T10] ipv6_find_idev+0x102/0x170 [ 3209.668842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.668842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.668842][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.668842][ T10] netlink_unicast+0x449/0x710 [ 3209.668842][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.668842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.668842][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.668842][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.668842][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.668842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.668842][ T10] [ 3209.670534][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3209.670534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3209.670534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3209.670534][ T10] ipv6_find_idev+0x102/0x170 [ 3209.670534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.670534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.670534][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.670534][ T10] netlink_unicast+0x449/0x710 [ 3209.670534][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.670534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.670534][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.670534][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.670534][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.670534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.670534][ T10] [ 3209.672452][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3209.672714][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3209.672714][ T10] netdev_get_by_index+0x5e/0x80 [ 3209.672714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3209.672714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3209.672714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3209.672714][ T10] ipv6_add_addr+0x411/0x2000 [ 3209.672714][ T10] inet6_addr_add+0x30e/0xa40 [ 3209.672714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3209.672714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.672714][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.672714][ T10] netlink_unicast+0x449/0x710 [ 3209.672714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.672714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.672714][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.672714][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.672714][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.672714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.672714][ T10] [ 3209.674889][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3209.674889][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3209.674889][ T10] ipv6_find_idev+0x102/0x170 [ 3209.674889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.674889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.674889][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.674889][ T10] netlink_unicast+0x449/0x710 [ 3209.674889][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.674889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.674889][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.674889][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.674889][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.674889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.674889][ T10] [ 3209.676602][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3209.676602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3209.676602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3209.676602][ T10] ipv6_find_idev+0x102/0x170 [ 3209.676602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3209.676602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3209.676602][ T10] netlink_rcv_skb+0x130/0x360 [ 3209.676602][ T10] netlink_unicast+0x449/0x710 [ 3209.676602][ T10] netlink_sendmsg+0x723/0xbe0 [ 3209.676602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3209.676602][ T10] ___sys_sendmsg+0xee/0x170 [ 3209.676602][ T10] __sys_sendmsg+0xcd/0x170 [ 3209.676602][ T10] do_syscall_64+0xc6/0x1e0 [ 3209.676602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3209.676602][ T10] [ 3219.920296][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3219.920963][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3219.920963][ T10] netdev_get_by_index+0x5e/0x80 [ 3219.920963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3219.920963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3219.920963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3219.920963][ T10] ipv6_add_addr+0x411/0x2000 [ 3219.920963][ T10] inet6_addr_add+0x30e/0xa40 [ 3219.920963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3219.920963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.920963][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.920963][ T10] netlink_unicast+0x449/0x710 [ 3219.920963][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.920963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.920963][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.920963][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.920963][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.920963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.920963][ T10] [ 3219.922947][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3219.922947][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3219.922947][ T10] ipv6_find_idev+0x102/0x170 [ 3219.922947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.922947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.922947][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.922947][ T10] netlink_unicast+0x449/0x710 [ 3219.922947][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.922947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.922947][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.922947][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.922947][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.922947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.922947][ T10] [ 3219.924427][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3219.924427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3219.924427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3219.924427][ T10] ipv6_find_idev+0x102/0x170 [ 3219.924427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.924427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.924427][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.924427][ T10] netlink_unicast+0x449/0x710 [ 3219.924427][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.924427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.924427][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.924427][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.924427][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.924427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.924427][ T10] [ 3219.926054][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3219.926338][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3219.926338][ T10] netdev_get_by_index+0x5e/0x80 [ 3219.926338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3219.926338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3219.926338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3219.926338][ T10] ipv6_add_addr+0x411/0x2000 [ 3219.926338][ T10] inet6_addr_add+0x30e/0xa40 [ 3219.926338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3219.926338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.926338][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.926338][ T10] netlink_unicast+0x449/0x710 [ 3219.926338][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.926338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.926338][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.926338][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.926338][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.926338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.926338][ T10] [ 3219.928262][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3219.928262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3219.928262][ T10] ipv6_find_idev+0x102/0x170 [ 3219.928262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.928262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.928262][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.928262][ T10] netlink_unicast+0x449/0x710 [ 3219.928262][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.928262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.928262][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.928262][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.928262][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.928262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.928262][ T10] [ 3219.929755][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3219.929755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3219.929755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3219.929755][ T10] ipv6_find_idev+0x102/0x170 [ 3219.929755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.929755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.929755][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.929755][ T10] netlink_unicast+0x449/0x710 [ 3219.929755][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.929755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.929755][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.929755][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.929755][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.929755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.929755][ T10] [ 3219.931407][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3219.931673][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3219.931673][ T10] netdev_get_by_index+0x5e/0x80 [ 3219.931673][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3219.931673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3219.931673][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3219.931673][ T10] ipv6_add_addr+0x411/0x2000 [ 3219.931673][ T10] inet6_addr_add+0x30e/0xa40 [ 3219.931673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3219.931673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.931673][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.931673][ T10] netlink_unicast+0x449/0x710 [ 3219.931673][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.931673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.931673][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.931673][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.931673][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.931673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.931673][ T10] [ 3219.933697][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3219.933697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3219.933697][ T10] ipv6_find_idev+0x102/0x170 [ 3219.933697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.933697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.933697][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.933697][ T10] netlink_unicast+0x449/0x710 [ 3219.933697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.933697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.933697][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.933697][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.933697][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.933697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.933697][ T10] [ 3219.935199][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3219.935199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3219.935199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3219.935199][ T10] ipv6_find_idev+0x102/0x170 [ 3219.935199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.935199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.935199][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.935199][ T10] netlink_unicast+0x449/0x710 [ 3219.935199][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.935199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.935199][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.935199][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.935199][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.935199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.935199][ T10] [ 3219.936861][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3219.937130][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3219.937130][ T10] netdev_get_by_index+0x5e/0x80 [ 3219.937130][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3219.937130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3219.937130][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3219.937130][ T10] ipv6_add_addr+0x411/0x2000 [ 3219.937130][ T10] inet6_addr_add+0x30e/0xa40 [ 3219.937130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3219.937130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.937130][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.937130][ T10] netlink_unicast+0x449/0x710 [ 3219.937130][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.937130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.937130][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.937130][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.937130][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.937130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.937130][ T10] [ 3219.939093][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3219.939093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3219.939093][ T10] ipv6_find_idev+0x102/0x170 [ 3219.939093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.939093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.939093][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.939093][ T10] netlink_unicast+0x449/0x710 [ 3219.939093][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.939093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.939093][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.939093][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.939093][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.939093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.939093][ T10] [ 3219.940632][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3219.940632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3219.940632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3219.940632][ T10] ipv6_find_idev+0x102/0x170 [ 3219.940632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.940632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.940632][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.940632][ T10] netlink_unicast+0x449/0x710 [ 3219.940632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.940632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.940632][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.940632][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.940632][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.940632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.940632][ T10] [ 3219.942672][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3219.942940][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3219.942940][ T10] netdev_get_by_index+0x5e/0x80 [ 3219.942940][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3219.942940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3219.942940][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3219.942940][ T10] ipv6_add_addr+0x411/0x2000 [ 3219.942940][ T10] inet6_addr_add+0x30e/0xa40 [ 3219.942940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3219.942940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.942940][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.942940][ T10] netlink_unicast+0x449/0x710 [ 3219.942940][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.942940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.942940][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.942940][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.942940][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.942940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.942940][ T10] [ 3219.944901][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3219.944901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3219.944901][ T10] ipv6_find_idev+0x102/0x170 [ 3219.944901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.944901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.944901][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.944901][ T10] netlink_unicast+0x449/0x710 [ 3219.944901][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.944901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.944901][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.944901][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.944901][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.944901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.944901][ T10] [ 3219.946373][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3219.946373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3219.946373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3219.946373][ T10] ipv6_find_idev+0x102/0x170 [ 3219.946373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.946373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.946373][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.946373][ T10] netlink_unicast+0x449/0x710 [ 3219.946373][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.946373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.946373][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.946373][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.946373][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.946373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.946373][ T10] [ 3219.948058][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3219.948385][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3219.948385][ T10] netdev_get_by_index+0x5e/0x80 [ 3219.948385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3219.948385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3219.948385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3219.948385][ T10] ipv6_add_addr+0x411/0x2000 [ 3219.948385][ T10] inet6_addr_add+0x30e/0xa40 [ 3219.948385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3219.948385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.948385][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.948385][ T10] netlink_unicast+0x449/0x710 [ 3219.948385][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.948385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.948385][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.948385][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.948385][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.948385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.948385][ T10] [ 3219.950502][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3219.950502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3219.950502][ T10] ipv6_find_idev+0x102/0x170 [ 3219.950502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.950502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.950502][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.950502][ T10] netlink_unicast+0x449/0x710 [ 3219.950502][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.950502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.950502][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.950502][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.950502][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.950502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.950502][ T10] [ 3219.952240][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3219.952240][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3219.952240][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3219.952240][ T10] ipv6_find_idev+0x102/0x170 [ 3219.952240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.952240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.952240][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.952240][ T10] netlink_unicast+0x449/0x710 [ 3219.952240][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.952240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.952240][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.952240][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.952240][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.952240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.952240][ T10] [ 3219.954076][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3219.954394][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3219.954394][ T10] netdev_get_by_index+0x5e/0x80 [ 3219.954394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3219.954394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3219.954394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3219.954394][ T10] ipv6_add_addr+0x411/0x2000 [ 3219.954394][ T10] inet6_addr_add+0x30e/0xa40 [ 3219.954394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3219.954394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.954394][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.954394][ T10] netlink_unicast+0x449/0x710 [ 3219.954394][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.954394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.954394][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.954394][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.954394][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.954394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.954394][ T10] [ 3219.956518][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3219.956518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3219.956518][ T10] ipv6_find_idev+0x102/0x170 [ 3219.956518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.956518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.956518][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.956518][ T10] netlink_unicast+0x449/0x710 [ 3219.956518][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.956518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.956518][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.956518][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.956518][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.956518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.956518][ T10] [ 3219.958229][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3219.958229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3219.958229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3219.958229][ T10] ipv6_find_idev+0x102/0x170 [ 3219.958229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.958229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.958229][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.958229][ T10] netlink_unicast+0x449/0x710 [ 3219.958229][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.958229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.958229][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.958229][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.958229][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.958229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.958229][ T10] [ 3219.960138][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3219.960394][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3219.960394][ T10] netdev_get_by_index+0x5e/0x80 [ 3219.960394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3219.960394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3219.960394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3219.960394][ T10] ipv6_add_addr+0x411/0x2000 [ 3219.960394][ T10] inet6_addr_add+0x30e/0xa40 [ 3219.960394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3219.960394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.960394][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.960394][ T10] netlink_unicast+0x449/0x710 [ 3219.960394][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.960394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.960394][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.960394][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.960394][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.960394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.960394][ T10] [ 3219.962579][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3219.962579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3219.962579][ T10] ipv6_find_idev+0x102/0x170 [ 3219.962579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.962579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.962579][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.962579][ T10] netlink_unicast+0x449/0x710 [ 3219.962579][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.962579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.962579][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.962579][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.962579][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.962579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.962579][ T10] [ 3219.964298][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3219.964298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3219.964298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3219.964298][ T10] ipv6_find_idev+0x102/0x170 [ 3219.964298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3219.964298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3219.964298][ T10] netlink_rcv_skb+0x130/0x360 [ 3219.964298][ T10] netlink_unicast+0x449/0x710 [ 3219.964298][ T10] netlink_sendmsg+0x723/0xbe0 [ 3219.964298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3219.964298][ T10] ___sys_sendmsg+0xee/0x170 [ 3219.964298][ T10] __sys_sendmsg+0xcd/0x170 [ 3219.964298][ T10] do_syscall_64+0xc6/0x1e0 [ 3219.964298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3219.964298][ T10] [ 3230.208227][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3230.209034][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3230.209034][ T10] netdev_get_by_index+0x5e/0x80 [ 3230.209034][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3230.209034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3230.209034][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3230.209034][ T10] ipv6_add_addr+0x411/0x2000 [ 3230.209034][ T10] inet6_addr_add+0x30e/0xa40 [ 3230.209034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.209034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.209034][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.209034][ T10] netlink_unicast+0x449/0x710 [ 3230.209034][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.209034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.209034][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.209034][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.209034][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.209034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.209034][ T10] [ 3230.211121][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3230.211121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3230.211121][ T10] ipv6_find_idev+0x102/0x170 [ 3230.211121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.211121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.211121][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.211121][ T10] netlink_unicast+0x449/0x710 [ 3230.211121][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.211121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.211121][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.211121][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.211121][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.211121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.211121][ T10] [ 3230.212678][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3230.212678][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3230.212678][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3230.212678][ T10] ipv6_find_idev+0x102/0x170 [ 3230.212678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.212678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.212678][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.212678][ T10] netlink_unicast+0x449/0x710 [ 3230.212678][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.212678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.212678][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.212678][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.212678][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.212678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.212678][ T10] [ 3230.214334][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3230.214609][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3230.214609][ T10] netdev_get_by_index+0x5e/0x80 [ 3230.214609][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3230.214609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3230.214609][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3230.214609][ T10] ipv6_add_addr+0x411/0x2000 [ 3230.214609][ T10] inet6_addr_add+0x30e/0xa40 [ 3230.214609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.214609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.214609][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.214609][ T10] netlink_unicast+0x449/0x710 [ 3230.214609][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.214609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.214609][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.214609][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.214609][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.214609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.214609][ T10] [ 3230.216582][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3230.216582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3230.216582][ T10] ipv6_find_idev+0x102/0x170 [ 3230.216582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.216582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.216582][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.216582][ T10] netlink_unicast+0x449/0x710 [ 3230.216582][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.216582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.216582][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.216582][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.216582][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.216582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.216582][ T10] [ 3230.218108][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3230.218108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3230.218108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3230.218108][ T10] ipv6_find_idev+0x102/0x170 [ 3230.218108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.218108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.218108][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.218108][ T10] netlink_unicast+0x449/0x710 [ 3230.218108][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.218108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.218108][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.218108][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.218108][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.218108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.218108][ T10] [ 3230.219778][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3230.220048][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3230.220048][ T10] netdev_get_by_index+0x5e/0x80 [ 3230.220048][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3230.220048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3230.220048][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3230.220048][ T10] ipv6_add_addr+0x411/0x2000 [ 3230.220048][ T10] inet6_addr_add+0x30e/0xa40 [ 3230.220048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.220048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.220048][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.220048][ T10] netlink_unicast+0x449/0x710 [ 3230.220048][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.220048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.220048][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.220048][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.220048][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.220048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.220048][ T10] [ 3230.222024][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3230.222024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3230.222024][ T10] ipv6_find_idev+0x102/0x170 [ 3230.222024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.222024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.222024][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.222024][ T10] netlink_unicast+0x449/0x710 [ 3230.222024][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.222024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.222024][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.222024][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.222024][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.222024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.222024][ T10] [ 3230.223546][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3230.223546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3230.223546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3230.223546][ T10] ipv6_find_idev+0x102/0x170 [ 3230.223546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.223546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.223546][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.223546][ T10] netlink_unicast+0x449/0x710 [ 3230.223546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.223546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.223546][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.223546][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.223546][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.223546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.223546][ T10] [ 3230.225209][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3230.225479][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3230.225479][ T10] netdev_get_by_index+0x5e/0x80 [ 3230.225479][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3230.225479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3230.225479][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3230.225479][ T10] ipv6_add_addr+0x411/0x2000 [ 3230.225479][ T10] inet6_addr_add+0x30e/0xa40 [ 3230.225479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.225479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.225479][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.225479][ T10] netlink_unicast+0x449/0x710 [ 3230.225479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.225479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.225479][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.225479][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.225479][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.225479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.225479][ T10] [ 3230.227451][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3230.227451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3230.227451][ T10] ipv6_find_idev+0x102/0x170 [ 3230.227451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.227451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.227451][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.227451][ T10] netlink_unicast+0x449/0x710 [ 3230.227451][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.227451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.227451][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.227451][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.227451][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.227451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.227451][ T10] [ 3230.228987][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3230.228987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3230.228987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3230.228987][ T10] ipv6_find_idev+0x102/0x170 [ 3230.228987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.228987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.228987][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.228987][ T10] netlink_unicast+0x449/0x710 [ 3230.228987][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.228987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.228987][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.228987][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.228987][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.228987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.228987][ T10] [ 3230.231062][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3230.231672][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3230.231672][ T10] netdev_get_by_index+0x5e/0x80 [ 3230.231672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3230.231672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3230.231672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3230.231672][ T10] ipv6_add_addr+0x411/0x2000 [ 3230.231672][ T10] inet6_addr_add+0x30e/0xa40 [ 3230.231672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.231672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.231672][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.231672][ T10] netlink_unicast+0x449/0x710 [ 3230.231672][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.231672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.231672][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.231672][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.231672][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.231672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.231672][ T10] [ 3230.233637][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3230.233637][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3230.233637][ T10] ipv6_find_idev+0x102/0x170 [ 3230.233637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.233637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.233637][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.233637][ T10] netlink_unicast+0x449/0x710 [ 3230.233637][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.233637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.233637][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.233637][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.233637][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.233637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.233637][ T10] [ 3230.235146][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3230.235146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3230.235146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3230.235146][ T10] ipv6_find_idev+0x102/0x170 [ 3230.235146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.235146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.235146][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.235146][ T10] netlink_unicast+0x449/0x710 [ 3230.235146][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.235146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.235146][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.235146][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.235146][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.235146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.235146][ T10] [ 3230.236793][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3230.237062][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3230.237062][ T10] netdev_get_by_index+0x5e/0x80 [ 3230.237062][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3230.237062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3230.237062][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3230.237062][ T10] ipv6_add_addr+0x411/0x2000 [ 3230.237062][ T10] inet6_addr_add+0x30e/0xa40 [ 3230.237062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.237062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.237062][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.237062][ T10] netlink_unicast+0x449/0x710 [ 3230.237062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.237062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.237062][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.237062][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.237062][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.237062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.237062][ T10] [ 3230.239022][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3230.239022][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3230.239022][ T10] ipv6_find_idev+0x102/0x170 [ 3230.239022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.239022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.239022][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.239022][ T10] netlink_unicast+0x449/0x710 [ 3230.239022][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.239022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.239022][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.239022][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.239022][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.239022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.239022][ T10] [ 3230.240621][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3230.240621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3230.240621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3230.240621][ T10] ipv6_find_idev+0x102/0x170 [ 3230.240621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.240621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.240621][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.240621][ T10] netlink_unicast+0x449/0x710 [ 3230.240621][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.240621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.240621][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.240621][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.240621][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.240621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.240621][ T10] [ 3230.242436][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3230.242697][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3230.242697][ T10] netdev_get_by_index+0x5e/0x80 [ 3230.242697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3230.242697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3230.242697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3230.242697][ T10] ipv6_add_addr+0x411/0x2000 [ 3230.242697][ T10] inet6_addr_add+0x30e/0xa40 [ 3230.242697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.242697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.242697][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.242697][ T10] netlink_unicast+0x449/0x710 [ 3230.242697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.242697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.242697][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.242697][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.242697][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.242697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.242697][ T10] [ 3230.244788][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3230.244788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3230.244788][ T10] ipv6_find_idev+0x102/0x170 [ 3230.244788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.244788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.244788][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.244788][ T10] netlink_unicast+0x449/0x710 [ 3230.244788][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.244788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.244788][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.244788][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.244788][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.244788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.244788][ T10] [ 3230.246367][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3230.246367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3230.246367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3230.246367][ T10] ipv6_find_idev+0x102/0x170 [ 3230.246367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.246367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.246367][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.246367][ T10] netlink_unicast+0x449/0x710 [ 3230.246367][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.246367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.246367][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.246367][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.246367][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.246367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.246367][ T10] [ 3230.248224][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3230.248503][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3230.248503][ T10] netdev_get_by_index+0x5e/0x80 [ 3230.248503][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3230.248503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3230.248503][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3230.248503][ T10] ipv6_add_addr+0x411/0x2000 [ 3230.248503][ T10] inet6_addr_add+0x30e/0xa40 [ 3230.248503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3230.248503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.248503][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.248503][ T10] netlink_unicast+0x449/0x710 [ 3230.248503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.248503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.248503][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.248503][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.248503][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.248503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.248503][ T10] [ 3230.250589][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3230.250589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3230.250589][ T10] ipv6_find_idev+0x102/0x170 [ 3230.250589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.250589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.250589][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.250589][ T10] netlink_unicast+0x449/0x710 [ 3230.250589][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.250589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.250589][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.250589][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.250589][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.250589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.250589][ T10] [ 3230.252179][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3230.252179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3230.252179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3230.252179][ T10] ipv6_find_idev+0x102/0x170 [ 3230.252179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3230.252179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3230.252179][ T10] netlink_rcv_skb+0x130/0x360 [ 3230.252179][ T10] netlink_unicast+0x449/0x710 [ 3230.252179][ T10] netlink_sendmsg+0x723/0xbe0 [ 3230.252179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3230.252179][ T10] ___sys_sendmsg+0xee/0x170 [ 3230.252179][ T10] __sys_sendmsg+0xcd/0x170 [ 3230.252179][ T10] do_syscall_64+0xc6/0x1e0 [ 3230.252179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3230.252179][ T10] [ 3240.496218][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3240.496661][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3240.496661][ T10] netdev_get_by_index+0x5e/0x80 [ 3240.496661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3240.496661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3240.496661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3240.496661][ T10] ipv6_add_addr+0x411/0x2000 [ 3240.496661][ T10] inet6_addr_add+0x30e/0xa40 [ 3240.496661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.496661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.496661][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.496661][ T10] netlink_unicast+0x449/0x710 [ 3240.496661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.496661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.496661][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.496661][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.496661][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.496661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.496661][ T10] [ 3240.498680][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3240.498680][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3240.498680][ T10] ipv6_find_idev+0x102/0x170 [ 3240.498680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.498680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.498680][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.498680][ T10] netlink_unicast+0x449/0x710 [ 3240.498680][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.498680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.498680][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.498680][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.498680][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.498680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.498680][ T10] [ 3240.500230][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3240.500230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3240.500230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3240.500230][ T10] ipv6_find_idev+0x102/0x170 [ 3240.500230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.500230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.500230][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.500230][ T10] netlink_unicast+0x449/0x710 [ 3240.500230][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.500230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.500230][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.500230][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.500230][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.500230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.500230][ T10] [ 3240.501902][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3240.502187][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3240.502187][ T10] netdev_get_by_index+0x5e/0x80 [ 3240.502187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3240.502187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3240.502187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3240.502187][ T10] ipv6_add_addr+0x411/0x2000 [ 3240.502187][ T10] inet6_addr_add+0x30e/0xa40 [ 3240.502187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.502187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.502187][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.502187][ T10] netlink_unicast+0x449/0x710 [ 3240.502187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.502187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.502187][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.502187][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.502187][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.502187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.502187][ T10] [ 3240.504169][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3240.504169][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3240.504169][ T10] ipv6_find_idev+0x102/0x170 [ 3240.504169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.504169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.504169][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.504169][ T10] netlink_unicast+0x449/0x710 [ 3240.504169][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.504169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.504169][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.504169][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.504169][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.504169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.504169][ T10] [ 3240.505688][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3240.505688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3240.505688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3240.505688][ T10] ipv6_find_idev+0x102/0x170 [ 3240.505688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.505688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.505688][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.505688][ T10] netlink_unicast+0x449/0x710 [ 3240.505688][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.505688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.505688][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.505688][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.505688][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.505688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.505688][ T10] [ 3240.507363][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3240.507634][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3240.507634][ T10] netdev_get_by_index+0x5e/0x80 [ 3240.507634][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3240.507634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3240.507634][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3240.507634][ T10] ipv6_add_addr+0x411/0x2000 [ 3240.507634][ T10] inet6_addr_add+0x30e/0xa40 [ 3240.507634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.507634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.507634][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.507634][ T10] netlink_unicast+0x449/0x710 [ 3240.507634][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.507634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.507634][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.507634][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.507634][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.507634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.507634][ T10] [ 3240.509631][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3240.509631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3240.509631][ T10] ipv6_find_idev+0x102/0x170 [ 3240.509631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.509631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.509631][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.509631][ T10] netlink_unicast+0x449/0x710 [ 3240.509631][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.509631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.509631][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.509631][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.509631][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.509631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.509631][ T10] [ 3240.511150][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3240.511150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3240.511150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3240.511150][ T10] ipv6_find_idev+0x102/0x170 [ 3240.511150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.511150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.511150][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.511150][ T10] netlink_unicast+0x449/0x710 [ 3240.511150][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.511150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.511150][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.511150][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.511150][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.511150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.511150][ T10] [ 3240.512866][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3240.513144][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3240.513144][ T10] netdev_get_by_index+0x5e/0x80 [ 3240.513144][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3240.513144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3240.513144][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3240.513144][ T10] ipv6_add_addr+0x411/0x2000 [ 3240.513144][ T10] inet6_addr_add+0x30e/0xa40 [ 3240.513144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.513144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.513144][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.513144][ T10] netlink_unicast+0x449/0x710 [ 3240.513144][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.513144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.513144][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.513144][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.513144][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.513144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.513144][ T10] [ 3240.515120][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3240.515120][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3240.515120][ T10] ipv6_find_idev+0x102/0x170 [ 3240.515120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.515120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.515120][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.515120][ T10] netlink_unicast+0x449/0x710 [ 3240.515120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.515120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.515120][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.515120][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.515120][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.515120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.515120][ T10] [ 3240.516642][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3240.516642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3240.516642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3240.516642][ T10] ipv6_find_idev+0x102/0x170 [ 3240.516642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.516642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.516642][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.516642][ T10] netlink_unicast+0x449/0x710 [ 3240.516642][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.516642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.516642][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.516642][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.516642][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.516642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.516642][ T10] [ 3240.518703][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3240.518964][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3240.518964][ T10] netdev_get_by_index+0x5e/0x80 [ 3240.518964][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3240.518964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3240.518964][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3240.518964][ T10] ipv6_add_addr+0x411/0x2000 [ 3240.518964][ T10] inet6_addr_add+0x30e/0xa40 [ 3240.518964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.518964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.518964][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.518964][ T10] netlink_unicast+0x449/0x710 [ 3240.518964][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.518964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.518964][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.518964][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.518964][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.518964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.518964][ T10] [ 3240.520928][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3240.520928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3240.520928][ T10] ipv6_find_idev+0x102/0x170 [ 3240.520928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.520928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.520928][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.520928][ T10] netlink_unicast+0x449/0x710 [ 3240.520928][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.520928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.520928][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.520928][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.520928][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.520928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.520928][ T10] [ 3240.522441][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3240.522441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3240.522441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3240.522441][ T10] ipv6_find_idev+0x102/0x170 [ 3240.522441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.522441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.522441][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.522441][ T10] netlink_unicast+0x449/0x710 [ 3240.522441][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.522441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.522441][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.522441][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.522441][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.522441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.522441][ T10] [ 3240.524162][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3240.524424][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3240.524424][ T10] netdev_get_by_index+0x5e/0x80 [ 3240.524424][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3240.524424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3240.524424][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3240.524424][ T10] ipv6_add_addr+0x411/0x2000 [ 3240.524424][ T10] inet6_addr_add+0x30e/0xa40 [ 3240.524424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.524424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.524424][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.524424][ T10] netlink_unicast+0x449/0x710 [ 3240.524424][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.524424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.524424][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.524424][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.524424][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.524424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.524424][ T10] [ 3240.526559][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3240.526559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3240.526559][ T10] ipv6_find_idev+0x102/0x170 [ 3240.526559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.526559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.526559][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.526559][ T10] netlink_unicast+0x449/0x710 [ 3240.526559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.526559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.526559][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.526559][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.526559][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.526559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.526559][ T10] [ 3240.528251][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3240.528251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3240.528251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3240.528251][ T10] ipv6_find_idev+0x102/0x170 [ 3240.528251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.528251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.528251][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.528251][ T10] netlink_unicast+0x449/0x710 [ 3240.528251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.528251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.528251][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.528251][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.528251][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.528251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.528251][ T10] [ 3240.530191][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3240.530455][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3240.530455][ T10] netdev_get_by_index+0x5e/0x80 [ 3240.530455][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3240.530455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3240.530455][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3240.530455][ T10] ipv6_add_addr+0x411/0x2000 [ 3240.530455][ T10] inet6_addr_add+0x30e/0xa40 [ 3240.530455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.530455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.530455][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.530455][ T10] netlink_unicast+0x449/0x710 [ 3240.530455][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.530455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.530455][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.530455][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.530455][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.530455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.530455][ T10] [ 3240.532666][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3240.532666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3240.532666][ T10] ipv6_find_idev+0x102/0x170 [ 3240.532666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.532666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.532666][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.532666][ T10] netlink_unicast+0x449/0x710 [ 3240.532666][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.532666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.532666][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.532666][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.532666][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.532666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.532666][ T10] [ 3240.534294][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3240.534294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3240.534294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3240.534294][ T10] ipv6_find_idev+0x102/0x170 [ 3240.534294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.534294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.534294][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.534294][ T10] netlink_unicast+0x449/0x710 [ 3240.534294][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.534294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.534294][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.534294][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.534294][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.534294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.534294][ T10] [ 3240.536223][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3240.536492][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3240.536492][ T10] netdev_get_by_index+0x5e/0x80 [ 3240.536492][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3240.536492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3240.536492][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3240.536492][ T10] ipv6_add_addr+0x411/0x2000 [ 3240.536492][ T10] inet6_addr_add+0x30e/0xa40 [ 3240.536492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3240.536492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.536492][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.536492][ T10] netlink_unicast+0x449/0x710 [ 3240.536492][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.536492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.536492][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.536492][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.536492][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.536492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.536492][ T10] [ 3240.538626][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3240.538626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3240.538626][ T10] ipv6_find_idev+0x102/0x170 [ 3240.538626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.538626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.538626][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.538626][ T10] netlink_unicast+0x449/0x710 [ 3240.538626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.538626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.538626][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.538626][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.538626][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.538626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.538626][ T10] [ 3240.540387][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3240.540387][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3240.540387][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3240.540387][ T10] ipv6_find_idev+0x102/0x170 [ 3240.540387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3240.540387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3240.540387][ T10] netlink_rcv_skb+0x130/0x360 [ 3240.540387][ T10] netlink_unicast+0x449/0x710 [ 3240.540387][ T10] netlink_sendmsg+0x723/0xbe0 [ 3240.540387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3240.540387][ T10] ___sys_sendmsg+0xee/0x170 [ 3240.540387][ T10] __sys_sendmsg+0xcd/0x170 [ 3240.540387][ T10] do_syscall_64+0xc6/0x1e0 [ 3240.540387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3240.540387][ T10] [ 3250.784211][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3250.784644][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3250.784644][ T10] netdev_get_by_index+0x5e/0x80 [ 3250.784644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3250.784644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3250.784644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3250.784644][ T10] ipv6_add_addr+0x411/0x2000 [ 3250.784644][ T10] inet6_addr_add+0x30e/0xa40 [ 3250.784644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.784644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.784644][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.784644][ T10] netlink_unicast+0x449/0x710 [ 3250.784644][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.784644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.784644][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.784644][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.784644][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.784644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.784644][ T10] [ 3250.786622][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3250.786622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3250.786622][ T10] ipv6_find_idev+0x102/0x170 [ 3250.786622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.786622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.786622][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.786622][ T10] netlink_unicast+0x449/0x710 [ 3250.786622][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.786622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.786622][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.786622][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.786622][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.786622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.786622][ T10] [ 3250.788237][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3250.788237][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3250.788237][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3250.788237][ T10] ipv6_find_idev+0x102/0x170 [ 3250.788237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.788237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.788237][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.788237][ T10] netlink_unicast+0x449/0x710 [ 3250.788237][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.788237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.788237][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.788237][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.788237][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.788237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.788237][ T10] [ 3250.789953][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3250.790251][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3250.790251][ T10] netdev_get_by_index+0x5e/0x80 [ 3250.790251][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3250.790251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3250.790251][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3250.790251][ T10] ipv6_add_addr+0x411/0x2000 [ 3250.790251][ T10] inet6_addr_add+0x30e/0xa40 [ 3250.790251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.790251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.790251][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.790251][ T10] netlink_unicast+0x449/0x710 [ 3250.790251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.790251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.790251][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.790251][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.790251][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.790251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.790251][ T10] [ 3250.792215][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3250.792215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3250.792215][ T10] ipv6_find_idev+0x102/0x170 [ 3250.792215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.792215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.792215][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.792215][ T10] netlink_unicast+0x449/0x710 [ 3250.792215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.792215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.792215][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.792215][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.792215][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.792215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.792215][ T10] [ 3250.793736][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3250.793736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3250.793736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3250.793736][ T10] ipv6_find_idev+0x102/0x170 [ 3250.793736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.793736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.793736][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.793736][ T10] netlink_unicast+0x449/0x710 [ 3250.793736][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.793736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.793736][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.793736][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.793736][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.793736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.793736][ T10] [ 3250.795409][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3250.795682][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3250.795682][ T10] netdev_get_by_index+0x5e/0x80 [ 3250.795682][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3250.795682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3250.795682][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3250.795682][ T10] ipv6_add_addr+0x411/0x2000 [ 3250.795682][ T10] inet6_addr_add+0x30e/0xa40 [ 3250.795682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.795682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.795682][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.795682][ T10] netlink_unicast+0x449/0x710 [ 3250.795682][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.795682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.795682][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.795682][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.795682][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.795682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.795682][ T10] [ 3250.797713][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3250.797713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3250.797713][ T10] ipv6_find_idev+0x102/0x170 [ 3250.797713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.797713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.797713][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.797713][ T10] netlink_unicast+0x449/0x710 [ 3250.797713][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.797713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.797713][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.797713][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.797713][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.797713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.797713][ T10] [ 3250.799233][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3250.799233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3250.799233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3250.799233][ T10] ipv6_find_idev+0x102/0x170 [ 3250.799233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.799233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.799233][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.799233][ T10] netlink_unicast+0x449/0x710 [ 3250.799233][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.799233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.799233][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.799233][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.799233][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.799233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.799233][ T10] [ 3250.800898][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3250.801602][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3250.801602][ T10] netdev_get_by_index+0x5e/0x80 [ 3250.801602][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3250.801602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3250.801602][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3250.801602][ T10] ipv6_add_addr+0x411/0x2000 [ 3250.801602][ T10] inet6_addr_add+0x30e/0xa40 [ 3250.801602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.801602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.801602][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.801602][ T10] netlink_unicast+0x449/0x710 [ 3250.801602][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.801602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.801602][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.801602][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.801602][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.801602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.801602][ T10] [ 3250.803557][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3250.803557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3250.803557][ T10] ipv6_find_idev+0x102/0x170 [ 3250.803557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.803557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.803557][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.803557][ T10] netlink_unicast+0x449/0x710 [ 3250.803557][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.803557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.803557][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.803557][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.803557][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.803557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.803557][ T10] [ 3250.805067][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3250.805067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3250.805067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3250.805067][ T10] ipv6_find_idev+0x102/0x170 [ 3250.805067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.805067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.805067][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.805067][ T10] netlink_unicast+0x449/0x710 [ 3250.805067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.805067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.805067][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.805067][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.805067][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.805067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.805067][ T10] [ 3250.806766][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3250.807026][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3250.807026][ T10] netdev_get_by_index+0x5e/0x80 [ 3250.807026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3250.807026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3250.807026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3250.807026][ T10] ipv6_add_addr+0x411/0x2000 [ 3250.807026][ T10] inet6_addr_add+0x30e/0xa40 [ 3250.807026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.807026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.807026][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.807026][ T10] netlink_unicast+0x449/0x710 [ 3250.807026][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.807026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.807026][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.807026][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.807026][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.807026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.807026][ T10] [ 3250.808989][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3250.808989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3250.808989][ T10] ipv6_find_idev+0x102/0x170 [ 3250.808989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.808989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.808989][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.808989][ T10] netlink_unicast+0x449/0x710 [ 3250.808989][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.808989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.808989][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.808989][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.808989][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.808989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.808989][ T10] [ 3250.810522][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3250.810522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3250.810522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3250.810522][ T10] ipv6_find_idev+0x102/0x170 [ 3250.810522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.810522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.810522][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.810522][ T10] netlink_unicast+0x449/0x710 [ 3250.810522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.810522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.810522][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.810522][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.810522][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.810522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.810522][ T10] [ 3250.812221][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3250.812486][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3250.812486][ T10] netdev_get_by_index+0x5e/0x80 [ 3250.812486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3250.812486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3250.812486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3250.812486][ T10] ipv6_add_addr+0x411/0x2000 [ 3250.812486][ T10] inet6_addr_add+0x30e/0xa40 [ 3250.812486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.812486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.812486][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.812486][ T10] netlink_unicast+0x449/0x710 [ 3250.812486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.812486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.812486][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.812486][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.812486][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.812486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.812486][ T10] [ 3250.814577][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3250.814577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3250.814577][ T10] ipv6_find_idev+0x102/0x170 [ 3250.814577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.814577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.814577][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.814577][ T10] netlink_unicast+0x449/0x710 [ 3250.814577][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.814577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.814577][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.814577][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.814577][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.814577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.814577][ T10] [ 3250.816271][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3250.816271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3250.816271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3250.816271][ T10] ipv6_find_idev+0x102/0x170 [ 3250.816271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.816271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.816271][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.816271][ T10] netlink_unicast+0x449/0x710 [ 3250.816271][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.816271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.816271][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.816271][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.816271][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.816271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.816271][ T10] [ 3250.818197][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3250.818466][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3250.818466][ T10] netdev_get_by_index+0x5e/0x80 [ 3250.818466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3250.818466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3250.818466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3250.818466][ T10] ipv6_add_addr+0x411/0x2000 [ 3250.818466][ T10] inet6_addr_add+0x30e/0xa40 [ 3250.818466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.818466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.818466][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.818466][ T10] netlink_unicast+0x449/0x710 [ 3250.818466][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.818466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.818466][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.818466][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.818466][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.818466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.818466][ T10] [ 3250.820686][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3250.820686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3250.820686][ T10] ipv6_find_idev+0x102/0x170 [ 3250.820686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.820686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.820686][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.820686][ T10] netlink_unicast+0x449/0x710 [ 3250.820686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.820686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.820686][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.820686][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.820686][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.820686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.820686][ T10] [ 3250.822368][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3250.822368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3250.822368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3250.822368][ T10] ipv6_find_idev+0x102/0x170 [ 3250.822368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.822368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.822368][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.822368][ T10] netlink_unicast+0x449/0x710 [ 3250.822368][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.822368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.822368][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.822368][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.822368][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.822368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.822368][ T10] [ 3250.824257][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3250.824517][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3250.824517][ T10] netdev_get_by_index+0x5e/0x80 [ 3250.824517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3250.824517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3250.824517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3250.824517][ T10] ipv6_add_addr+0x411/0x2000 [ 3250.824517][ T10] inet6_addr_add+0x30e/0xa40 [ 3250.824517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3250.824517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.824517][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.824517][ T10] netlink_unicast+0x449/0x710 [ 3250.824517][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.824517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.824517][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.824517][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.824517][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.824517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.824517][ T10] [ 3250.826754][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3250.826754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3250.826754][ T10] ipv6_find_idev+0x102/0x170 [ 3250.826754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.826754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.826754][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.826754][ T10] netlink_unicast+0x449/0x710 [ 3250.826754][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.826754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.826754][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.826754][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.826754][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.826754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.826754][ T10] [ 3250.828506][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3250.828506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3250.828506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3250.828506][ T10] ipv6_find_idev+0x102/0x170 [ 3250.828506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3250.828506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3250.828506][ T10] netlink_rcv_skb+0x130/0x360 [ 3250.828506][ T10] netlink_unicast+0x449/0x710 [ 3250.828506][ T10] netlink_sendmsg+0x723/0xbe0 [ 3250.828506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3250.828506][ T10] ___sys_sendmsg+0xee/0x170 [ 3250.828506][ T10] __sys_sendmsg+0xcd/0x170 [ 3250.828506][ T10] do_syscall_64+0xc6/0x1e0 [ 3250.828506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3250.828506][ T10] [ 3260.920282][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3260.921057][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3260.921057][ T10] netdev_get_by_index+0x5e/0x80 [ 3260.921057][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3260.921057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3260.921057][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3260.921057][ T10] ipv6_add_addr+0x411/0x2000 [ 3260.921057][ T10] inet6_addr_add+0x30e/0xa40 [ 3260.921057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3260.921057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.921057][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.921057][ T10] netlink_unicast+0x449/0x710 [ 3260.921057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.921057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.921057][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.921057][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.921057][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.921057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.921057][ T10] [ 3260.923059][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3260.923059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3260.923059][ T10] ipv6_find_idev+0x102/0x170 [ 3260.923059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.923059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.923059][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.923059][ T10] netlink_unicast+0x449/0x710 [ 3260.923059][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.923059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.923059][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.923059][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.923059][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.923059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.923059][ T10] [ 3260.924573][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3260.924573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3260.924573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3260.924573][ T10] ipv6_find_idev+0x102/0x170 [ 3260.924573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.924573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.924573][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.924573][ T10] netlink_unicast+0x449/0x710 [ 3260.924573][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.924573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.924573][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.924573][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.924573][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.924573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.924573][ T10] [ 3260.926218][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3260.926502][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3260.926502][ T10] netdev_get_by_index+0x5e/0x80 [ 3260.926502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3260.926502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3260.926502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3260.926502][ T10] ipv6_add_addr+0x411/0x2000 [ 3260.926502][ T10] inet6_addr_add+0x30e/0xa40 [ 3260.926502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3260.926502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.926502][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.926502][ T10] netlink_unicast+0x449/0x710 [ 3260.926502][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.926502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.926502][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.926502][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.926502][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.926502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.926502][ T10] [ 3260.928455][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3260.928455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3260.928455][ T10] ipv6_find_idev+0x102/0x170 [ 3260.928455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.928455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.928455][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.928455][ T10] netlink_unicast+0x449/0x710 [ 3260.928455][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.928455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.928455][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.928455][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.928455][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.928455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.928455][ T10] [ 3260.929994][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3260.929994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3260.929994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3260.929994][ T10] ipv6_find_idev+0x102/0x170 [ 3260.929994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.929994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.929994][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.929994][ T10] netlink_unicast+0x449/0x710 [ 3260.929994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.929994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.929994][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.929994][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.929994][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.929994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.929994][ T10] [ 3260.931685][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3260.931948][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3260.931948][ T10] netdev_get_by_index+0x5e/0x80 [ 3260.931948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3260.931948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3260.931948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3260.931948][ T10] ipv6_add_addr+0x411/0x2000 [ 3260.931948][ T10] inet6_addr_add+0x30e/0xa40 [ 3260.931948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3260.931948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.931948][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.931948][ T10] netlink_unicast+0x449/0x710 [ 3260.931948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.931948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.931948][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.931948][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.931948][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.931948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.931948][ T10] [ 3260.933914][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3260.933914][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3260.933914][ T10] ipv6_find_idev+0x102/0x170 [ 3260.933914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.933914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.933914][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.933914][ T10] netlink_unicast+0x449/0x710 [ 3260.933914][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.933914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.933914][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.933914][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.933914][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.933914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.933914][ T10] [ 3260.935432][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3260.935432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3260.935432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3260.935432][ T10] ipv6_find_idev+0x102/0x170 [ 3260.935432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.935432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.935432][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.935432][ T10] netlink_unicast+0x449/0x710 [ 3260.935432][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.935432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.935432][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.935432][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.935432][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.935432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.935432][ T10] [ 3260.937077][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3260.937794][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3260.937794][ T10] netdev_get_by_index+0x5e/0x80 [ 3260.937794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3260.937794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3260.937794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3260.937794][ T10] ipv6_add_addr+0x411/0x2000 [ 3260.937794][ T10] inet6_addr_add+0x30e/0xa40 [ 3260.937794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3260.937794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.937794][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.937794][ T10] netlink_unicast+0x449/0x710 [ 3260.937794][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.937794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.937794][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.937794][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.937794][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.937794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.937794][ T10] [ 3260.939803][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3260.939803][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3260.939803][ T10] ipv6_find_idev+0x102/0x170 [ 3260.939803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.939803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.939803][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.939803][ T10] netlink_unicast+0x449/0x710 [ 3260.939803][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.939803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.939803][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.939803][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.939803][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.939803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.939803][ T10] [ 3260.941331][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3260.941331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3260.941331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3260.941331][ T10] ipv6_find_idev+0x102/0x170 [ 3260.941331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.941331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.941331][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.941331][ T10] netlink_unicast+0x449/0x710 [ 3260.941331][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.941331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.941331][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.941331][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.941331][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.941331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.941331][ T10] [ 3260.943033][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3260.943349][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3260.943349][ T10] netdev_get_by_index+0x5e/0x80 [ 3260.943349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3260.943349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3260.943349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3260.943349][ T10] ipv6_add_addr+0x411/0x2000 [ 3260.943349][ T10] inet6_addr_add+0x30e/0xa40 [ 3260.943349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3260.943349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.943349][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.943349][ T10] netlink_unicast+0x449/0x710 [ 3260.943349][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.943349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.943349][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.943349][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.943349][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.943349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.943349][ T10] [ 3260.945485][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3260.945485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3260.945485][ T10] ipv6_find_idev+0x102/0x170 [ 3260.945485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.945485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.945485][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.945485][ T10] netlink_unicast+0x449/0x710 [ 3260.945485][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.945485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.945485][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.945485][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.945485][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.945485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.945485][ T10] [ 3260.947004][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3260.947004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3260.947004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3260.947004][ T10] ipv6_find_idev+0x102/0x170 [ 3260.947004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.947004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.947004][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.947004][ T10] netlink_unicast+0x449/0x710 [ 3260.947004][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.947004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.947004][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.947004][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.947004][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.947004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.947004][ T10] [ 3260.948691][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3260.948955][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3260.948955][ T10] netdev_get_by_index+0x5e/0x80 [ 3260.948955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3260.948955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3260.948955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3260.948955][ T10] ipv6_add_addr+0x411/0x2000 [ 3260.948955][ T10] inet6_addr_add+0x30e/0xa40 [ 3260.948955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3260.948955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.948955][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.948955][ T10] netlink_unicast+0x449/0x710 [ 3260.948955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.948955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.948955][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.948955][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.948955][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.948955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.948955][ T10] [ 3260.951004][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3260.951004][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3260.951004][ T10] ipv6_find_idev+0x102/0x170 [ 3260.951004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.951004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.951004][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.951004][ T10] netlink_unicast+0x449/0x710 [ 3260.951004][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.951004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.951004][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.951004][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.951004][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.951004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.951004][ T10] [ 3260.952757][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3260.952757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3260.952757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3260.952757][ T10] ipv6_find_idev+0x102/0x170 [ 3260.952757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.952757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.952757][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.952757][ T10] netlink_unicast+0x449/0x710 [ 3260.952757][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.952757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.952757][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.952757][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.952757][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.952757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.952757][ T10] [ 3260.954673][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3260.954934][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3260.954934][ T10] netdev_get_by_index+0x5e/0x80 [ 3260.954934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3260.954934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3260.954934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3260.954934][ T10] ipv6_add_addr+0x411/0x2000 [ 3260.954934][ T10] inet6_addr_add+0x30e/0xa40 [ 3260.954934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3260.954934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.954934][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.954934][ T10] netlink_unicast+0x449/0x710 [ 3260.954934][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.954934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.954934][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.954934][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.954934][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.954934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.954934][ T10] [ 3260.957047][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3260.957047][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3260.957047][ T10] ipv6_find_idev+0x102/0x170 [ 3260.957047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.957047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.957047][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.957047][ T10] netlink_unicast+0x449/0x710 [ 3260.957047][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.957047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.957047][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.957047][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.957047][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.957047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.957047][ T10] [ 3260.958695][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3260.958695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3260.958695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3260.958695][ T10] ipv6_find_idev+0x102/0x170 [ 3260.958695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.958695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.958695][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.958695][ T10] netlink_unicast+0x449/0x710 [ 3260.958695][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.958695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.958695][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.958695][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.958695][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.958695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.958695][ T10] [ 3260.960641][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3260.960906][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3260.960906][ T10] netdev_get_by_index+0x5e/0x80 [ 3260.960906][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3260.960906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3260.960906][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3260.960906][ T10] ipv6_add_addr+0x411/0x2000 [ 3260.960906][ T10] inet6_addr_add+0x30e/0xa40 [ 3260.960906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3260.960906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.960906][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.960906][ T10] netlink_unicast+0x449/0x710 [ 3260.960906][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.960906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.960906][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.960906][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.960906][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.960906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.960906][ T10] [ 3260.963125][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3260.963125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3260.963125][ T10] ipv6_find_idev+0x102/0x170 [ 3260.963125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.963125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.963125][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.963125][ T10] netlink_unicast+0x449/0x710 [ 3260.963125][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.963125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.963125][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.963125][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.963125][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.963125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.963125][ T10] [ 3260.964845][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3260.964845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3260.964845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3260.964845][ T10] ipv6_find_idev+0x102/0x170 [ 3260.964845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3260.964845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3260.964845][ T10] netlink_rcv_skb+0x130/0x360 [ 3260.964845][ T10] netlink_unicast+0x449/0x710 [ 3260.964845][ T10] netlink_sendmsg+0x723/0xbe0 [ 3260.964845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3260.964845][ T10] ___sys_sendmsg+0xee/0x170 [ 3260.964845][ T10] __sys_sendmsg+0xcd/0x170 [ 3260.964845][ T10] do_syscall_64+0xc6/0x1e0 [ 3260.964845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3260.964845][ T10] [ 3271.208215][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3271.208679][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3271.208679][ T10] netdev_get_by_index+0x5e/0x80 [ 3271.208679][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3271.208679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3271.208679][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3271.208679][ T10] ipv6_add_addr+0x411/0x2000 [ 3271.208679][ T10] inet6_addr_add+0x30e/0xa40 [ 3271.208679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.208679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.208679][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.208679][ T10] netlink_unicast+0x449/0x710 [ 3271.208679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.208679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.208679][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.208679][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.208679][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.208679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.208679][ T10] [ 3271.210680][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3271.210680][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3271.210680][ T10] ipv6_find_idev+0x102/0x170 [ 3271.210680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.210680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.210680][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.210680][ T10] netlink_unicast+0x449/0x710 [ 3271.210680][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.210680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.210680][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.210680][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.210680][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.210680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.210680][ T10] [ 3271.212220][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3271.212220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3271.212220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3271.212220][ T10] ipv6_find_idev+0x102/0x170 [ 3271.212220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.212220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.212220][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.212220][ T10] netlink_unicast+0x449/0x710 [ 3271.212220][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.212220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.212220][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.212220][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.212220][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.212220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.212220][ T10] [ 3271.213898][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3271.214194][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3271.214194][ T10] netdev_get_by_index+0x5e/0x80 [ 3271.214194][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3271.214194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3271.214194][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3271.214194][ T10] ipv6_add_addr+0x411/0x2000 [ 3271.214194][ T10] inet6_addr_add+0x30e/0xa40 [ 3271.214194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.214194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.214194][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.214194][ T10] netlink_unicast+0x449/0x710 [ 3271.214194][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.214194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.214194][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.214194][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.214194][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.214194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.214194][ T10] [ 3271.216146][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3271.216146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3271.216146][ T10] ipv6_find_idev+0x102/0x170 [ 3271.216146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.216146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.216146][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.216146][ T10] netlink_unicast+0x449/0x710 [ 3271.216146][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.216146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.216146][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.216146][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.216146][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.216146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.216146][ T10] [ 3271.217625][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3271.217625][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3271.217625][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3271.217625][ T10] ipv6_find_idev+0x102/0x170 [ 3271.217625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.217625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.217625][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.217625][ T10] netlink_unicast+0x449/0x710 [ 3271.217625][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.217625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.217625][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.217625][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.217625][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.217625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.217625][ T10] [ 3271.219335][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3271.219602][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3271.219602][ T10] netdev_get_by_index+0x5e/0x80 [ 3271.219602][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3271.219602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3271.219602][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3271.219602][ T10] ipv6_add_addr+0x411/0x2000 [ 3271.219602][ T10] inet6_addr_add+0x30e/0xa40 [ 3271.219602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.219602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.219602][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.219602][ T10] netlink_unicast+0x449/0x710 [ 3271.219602][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.219602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.219602][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.219602][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.219602][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.219602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.219602][ T10] [ 3271.221565][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3271.221565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3271.221565][ T10] ipv6_find_idev+0x102/0x170 [ 3271.221565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.221565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.221565][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.221565][ T10] netlink_unicast+0x449/0x710 [ 3271.221565][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.221565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.221565][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.221565][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.221565][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.221565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.221565][ T10] [ 3271.223047][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3271.223047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3271.223047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3271.223047][ T10] ipv6_find_idev+0x102/0x170 [ 3271.223047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.223047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.223047][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.223047][ T10] netlink_unicast+0x449/0x710 [ 3271.223047][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.223047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.223047][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.223047][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.223047][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.223047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.223047][ T10] [ 3271.224699][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3271.224966][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3271.224966][ T10] netdev_get_by_index+0x5e/0x80 [ 3271.224966][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3271.224966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3271.224966][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3271.224966][ T10] ipv6_add_addr+0x411/0x2000 [ 3271.224966][ T10] inet6_addr_add+0x30e/0xa40 [ 3271.224966][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.224966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.224966][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.224966][ T10] netlink_unicast+0x449/0x710 [ 3271.224966][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.224966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.224966][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.224966][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.224966][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.224966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.224966][ T10] [ 3271.226946][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3271.226946][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3271.226946][ T10] ipv6_find_idev+0x102/0x170 [ 3271.226946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.226946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.226946][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.226946][ T10] netlink_unicast+0x449/0x710 [ 3271.226946][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.226946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.226946][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.226946][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.226946][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.226946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.226946][ T10] [ 3271.228467][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3271.228467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3271.228467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3271.228467][ T10] ipv6_find_idev+0x102/0x170 [ 3271.228467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.228467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.228467][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.228467][ T10] netlink_unicast+0x449/0x710 [ 3271.228467][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.228467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.228467][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.228467][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.228467][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.228467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.228467][ T10] [ 3271.230212][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3271.230471][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3271.230471][ T10] netdev_get_by_index+0x5e/0x80 [ 3271.230471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3271.230471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3271.230471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3271.230471][ T10] ipv6_add_addr+0x411/0x2000 [ 3271.230471][ T10] inet6_addr_add+0x30e/0xa40 [ 3271.230471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.230471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.230471][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.230471][ T10] netlink_unicast+0x449/0x710 [ 3271.230471][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.230471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.230471][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.230471][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.230471][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.230471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.230471][ T10] [ 3271.232417][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3271.232417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3271.232417][ T10] ipv6_find_idev+0x102/0x170 [ 3271.232417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.232417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.232417][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.232417][ T10] netlink_unicast+0x449/0x710 [ 3271.232417][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.232417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.232417][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.232417][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.232417][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.232417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.232417][ T10] [ 3271.233998][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3271.233998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3271.233998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3271.233998][ T10] ipv6_find_idev+0x102/0x170 [ 3271.233998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.233998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.233998][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.233998][ T10] netlink_unicast+0x449/0x710 [ 3271.233998][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.233998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.233998][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.233998][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.233998][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.233998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.233998][ T10] [ 3271.235835][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3271.236110][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3271.236110][ T10] netdev_get_by_index+0x5e/0x80 [ 3271.236110][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3271.236110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3271.236110][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3271.236110][ T10] ipv6_add_addr+0x411/0x2000 [ 3271.236110][ T10] inet6_addr_add+0x30e/0xa40 [ 3271.236110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.236110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.236110][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.236110][ T10] netlink_unicast+0x449/0x710 [ 3271.236110][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.236110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.236110][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.236110][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.236110][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.236110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.236110][ T10] [ 3271.238350][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3271.238350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3271.238350][ T10] ipv6_find_idev+0x102/0x170 [ 3271.238350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.238350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.238350][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.238350][ T10] netlink_unicast+0x449/0x710 [ 3271.238350][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.238350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.238350][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.238350][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.238350][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.238350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.238350][ T10] [ 3271.240047][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3271.240047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3271.240047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3271.240047][ T10] ipv6_find_idev+0x102/0x170 [ 3271.240047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.240047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.240047][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.240047][ T10] netlink_unicast+0x449/0x710 [ 3271.240047][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.240047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.240047][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.240047][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.240047][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.240047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.240047][ T10] [ 3271.241913][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3271.242232][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3271.242232][ T10] netdev_get_by_index+0x5e/0x80 [ 3271.242232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3271.242232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3271.242232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3271.242232][ T10] ipv6_add_addr+0x411/0x2000 [ 3271.242232][ T10] inet6_addr_add+0x30e/0xa40 [ 3271.242232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.242232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.242232][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.242232][ T10] netlink_unicast+0x449/0x710 [ 3271.242232][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.242232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.242232][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.242232][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.242232][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.242232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.242232][ T10] [ 3271.244371][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3271.244371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3271.244371][ T10] ipv6_find_idev+0x102/0x170 [ 3271.244371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.244371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.244371][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.244371][ T10] netlink_unicast+0x449/0x710 [ 3271.244371][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.244371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.244371][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.244371][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.244371][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.244371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.244371][ T10] [ 3271.246016][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3271.246016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3271.246016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3271.246016][ T10] ipv6_find_idev+0x102/0x170 [ 3271.246016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.246016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.246016][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.246016][ T10] netlink_unicast+0x449/0x710 [ 3271.246016][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.246016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.246016][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.246016][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.246016][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.246016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.246016][ T10] [ 3271.247982][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3271.248303][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3271.248303][ T10] netdev_get_by_index+0x5e/0x80 [ 3271.248303][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3271.248303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3271.248303][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3271.248303][ T10] ipv6_add_addr+0x411/0x2000 [ 3271.248303][ T10] inet6_addr_add+0x30e/0xa40 [ 3271.248303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3271.248303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.248303][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.248303][ T10] netlink_unicast+0x449/0x710 [ 3271.248303][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.248303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.248303][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.248303][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.248303][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.248303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.248303][ T10] [ 3271.250443][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3271.250443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3271.250443][ T10] ipv6_find_idev+0x102/0x170 [ 3271.250443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.250443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.250443][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.250443][ T10] netlink_unicast+0x449/0x710 [ 3271.250443][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.250443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.250443][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.250443][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.250443][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.250443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.250443][ T10] [ 3271.252108][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3271.252108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3271.252108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3271.252108][ T10] ipv6_find_idev+0x102/0x170 [ 3271.252108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3271.252108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3271.252108][ T10] netlink_rcv_skb+0x130/0x360 [ 3271.252108][ T10] netlink_unicast+0x449/0x710 [ 3271.252108][ T10] netlink_sendmsg+0x723/0xbe0 [ 3271.252108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3271.252108][ T10] ___sys_sendmsg+0xee/0x170 [ 3271.252108][ T10] __sys_sendmsg+0xcd/0x170 [ 3271.252108][ T10] do_syscall_64+0xc6/0x1e0 [ 3271.252108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3271.252108][ T10] [ 3281.336124][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3281.336588][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3281.336588][ T10] netdev_get_by_index+0x5e/0x80 [ 3281.336588][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3281.336588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3281.336588][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3281.336588][ T10] ipv6_add_addr+0x411/0x2000 [ 3281.336588][ T10] inet6_addr_add+0x30e/0xa40 [ 3281.336588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.336588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.336588][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.336588][ T10] netlink_unicast+0x449/0x710 [ 3281.336588][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.336588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.336588][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.336588][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.336588][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.336588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.336588][ T10] [ 3281.338580][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3281.338580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3281.338580][ T10] ipv6_find_idev+0x102/0x170 [ 3281.338580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.338580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.338580][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.338580][ T10] netlink_unicast+0x449/0x710 [ 3281.338580][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.338580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.338580][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.338580][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.338580][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.338580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.338580][ T10] [ 3281.340107][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3281.340107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3281.340107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3281.340107][ T10] ipv6_find_idev+0x102/0x170 [ 3281.340107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.340107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.340107][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.340107][ T10] netlink_unicast+0x449/0x710 [ 3281.340107][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.340107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.340107][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.340107][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.340107][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.340107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.340107][ T10] [ 3281.341798][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3281.342060][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3281.342060][ T10] netdev_get_by_index+0x5e/0x80 [ 3281.342060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3281.342060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3281.342060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3281.342060][ T10] ipv6_add_addr+0x411/0x2000 [ 3281.342060][ T10] inet6_addr_add+0x30e/0xa40 [ 3281.342060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.342060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.342060][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.342060][ T10] netlink_unicast+0x449/0x710 [ 3281.342060][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.342060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.342060][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.342060][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.342060][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.342060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.342060][ T10] [ 3281.344038][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3281.344038][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3281.344038][ T10] ipv6_find_idev+0x102/0x170 [ 3281.344038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.344038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.344038][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.344038][ T10] netlink_unicast+0x449/0x710 [ 3281.344038][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.344038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.344038][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.344038][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.344038][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.344038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.344038][ T10] [ 3281.345552][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3281.345552][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3281.345552][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3281.345552][ T10] ipv6_find_idev+0x102/0x170 [ 3281.345552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.345552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.345552][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.345552][ T10] netlink_unicast+0x449/0x710 [ 3281.345552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.345552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.345552][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.345552][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.345552][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.345552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.345552][ T10] [ 3281.347186][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3281.347465][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3281.347465][ T10] netdev_get_by_index+0x5e/0x80 [ 3281.347465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3281.347465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3281.347465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3281.347465][ T10] ipv6_add_addr+0x411/0x2000 [ 3281.347465][ T10] inet6_addr_add+0x30e/0xa40 [ 3281.347465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.347465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.347465][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.347465][ T10] netlink_unicast+0x449/0x710 [ 3281.347465][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.347465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.347465][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.347465][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.347465][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.347465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.347465][ T10] [ 3281.349446][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3281.349446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3281.349446][ T10] ipv6_find_idev+0x102/0x170 [ 3281.349446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.349446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.349446][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.349446][ T10] netlink_unicast+0x449/0x710 [ 3281.349446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.349446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.349446][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.349446][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.349446][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.349446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.349446][ T10] [ 3281.350935][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3281.350935][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3281.350935][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3281.350935][ T10] ipv6_find_idev+0x102/0x170 [ 3281.350935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.350935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.350935][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.350935][ T10] netlink_unicast+0x449/0x710 [ 3281.350935][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.350935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.350935][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.350935][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.350935][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.350935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.350935][ T10] [ 3281.352547][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3281.352835][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3281.352835][ T10] netdev_get_by_index+0x5e/0x80 [ 3281.352835][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3281.352835][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3281.352835][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3281.352835][ T10] ipv6_add_addr+0x411/0x2000 [ 3281.352835][ T10] inet6_addr_add+0x30e/0xa40 [ 3281.352835][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.352835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.352835][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.352835][ T10] netlink_unicast+0x449/0x710 [ 3281.352835][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.352835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.352835][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.352835][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.352835][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.352835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.352835][ T10] [ 3281.354785][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3281.354785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3281.354785][ T10] ipv6_find_idev+0x102/0x170 [ 3281.354785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.354785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.354785][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.354785][ T10] netlink_unicast+0x449/0x710 [ 3281.354785][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.354785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.354785][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.354785][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.354785][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.354785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.354785][ T10] [ 3281.356292][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3281.356292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3281.356292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3281.356292][ T10] ipv6_find_idev+0x102/0x170 [ 3281.356292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.356292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.356292][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.356292][ T10] netlink_unicast+0x449/0x710 [ 3281.356292][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.356292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.356292][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.356292][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.356292][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.356292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.356292][ T10] [ 3281.357976][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3281.358296][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3281.358296][ T10] netdev_get_by_index+0x5e/0x80 [ 3281.358296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3281.358296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3281.358296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3281.358296][ T10] ipv6_add_addr+0x411/0x2000 [ 3281.358296][ T10] inet6_addr_add+0x30e/0xa40 [ 3281.358296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.358296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.358296][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.358296][ T10] netlink_unicast+0x449/0x710 [ 3281.358296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.358296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.358296][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.358296][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.358296][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.358296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.358296][ T10] [ 3281.360274][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3281.360274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3281.360274][ T10] ipv6_find_idev+0x102/0x170 [ 3281.360274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.360274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.360274][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.360274][ T10] netlink_unicast+0x449/0x710 [ 3281.360274][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.360274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.360274][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.360274][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.360274][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.360274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.360274][ T10] [ 3281.361791][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3281.361791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3281.361791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3281.361791][ T10] ipv6_find_idev+0x102/0x170 [ 3281.361791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.361791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.361791][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.361791][ T10] netlink_unicast+0x449/0x710 [ 3281.361791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.361791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.361791][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.361791][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.361791][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.361791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.361791][ T10] [ 3281.363647][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3281.363903][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3281.363903][ T10] netdev_get_by_index+0x5e/0x80 [ 3281.363903][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3281.363903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3281.363903][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3281.363903][ T10] ipv6_add_addr+0x411/0x2000 [ 3281.363903][ T10] inet6_addr_add+0x30e/0xa40 [ 3281.363903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.363903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.363903][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.363903][ T10] netlink_unicast+0x449/0x710 [ 3281.363903][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.363903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.363903][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.363903][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.363903][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.363903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.363903][ T10] [ 3281.366162][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3281.366162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3281.366162][ T10] ipv6_find_idev+0x102/0x170 [ 3281.366162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.366162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.366162][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.366162][ T10] netlink_unicast+0x449/0x710 [ 3281.366162][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.366162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.366162][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.366162][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.366162][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.366162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.366162][ T10] [ 3281.367812][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3281.367812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3281.367812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3281.367812][ T10] ipv6_find_idev+0x102/0x170 [ 3281.367812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.367812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.367812][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.367812][ T10] netlink_unicast+0x449/0x710 [ 3281.367812][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.367812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.367812][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.367812][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.367812][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.367812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.367812][ T10] [ 3281.369664][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3281.369928][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3281.369928][ T10] netdev_get_by_index+0x5e/0x80 [ 3281.369928][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3281.369928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3281.369928][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3281.369928][ T10] ipv6_add_addr+0x411/0x2000 [ 3281.369928][ T10] inet6_addr_add+0x30e/0xa40 [ 3281.369928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.369928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.369928][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.369928][ T10] netlink_unicast+0x449/0x710 [ 3281.369928][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.369928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.369928][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.369928][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.369928][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.369928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.369928][ T10] [ 3281.372148][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3281.372148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3281.372148][ T10] ipv6_find_idev+0x102/0x170 [ 3281.372148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.372148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.372148][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.372148][ T10] netlink_unicast+0x449/0x710 [ 3281.372148][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.372148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.372148][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.372148][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.372148][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.372148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.372148][ T10] [ 3281.373846][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3281.373846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3281.373846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3281.373846][ T10] ipv6_find_idev+0x102/0x170 [ 3281.373846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.373846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.373846][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.373846][ T10] netlink_unicast+0x449/0x710 [ 3281.373846][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.373846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.373846][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.373846][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.373846][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.373846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.373846][ T10] [ 3281.375791][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3281.376066][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3281.376066][ T10] netdev_get_by_index+0x5e/0x80 [ 3281.376066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3281.376066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3281.376066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3281.376066][ T10] ipv6_add_addr+0x411/0x2000 [ 3281.376066][ T10] inet6_addr_add+0x30e/0xa40 [ 3281.376066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3281.376066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.376066][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.376066][ T10] netlink_unicast+0x449/0x710 [ 3281.376066][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.376066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.376066][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.376066][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.376066][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.376066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.376066][ T10] [ 3281.378234][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3281.378234][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3281.378234][ T10] ipv6_find_idev+0x102/0x170 [ 3281.378234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.378234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.378234][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.378234][ T10] netlink_unicast+0x449/0x710 [ 3281.378234][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.378234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.378234][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.378234][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.378234][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.378234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.378234][ T10] [ 3281.379919][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3281.379919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3281.379919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3281.379919][ T10] ipv6_find_idev+0x102/0x170 [ 3281.379919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3281.379919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3281.379919][ T10] netlink_rcv_skb+0x130/0x360 [ 3281.379919][ T10] netlink_unicast+0x449/0x710 [ 3281.379919][ T10] netlink_sendmsg+0x723/0xbe0 [ 3281.379919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3281.379919][ T10] ___sys_sendmsg+0xee/0x170 [ 3281.379919][ T10] __sys_sendmsg+0xcd/0x170 [ 3281.379919][ T10] do_syscall_64+0xc6/0x1e0 [ 3281.379919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3281.379919][ T10] [ 3291.624224][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3291.624643][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3291.624643][ T10] netdev_get_by_index+0x5e/0x80 [ 3291.624643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3291.624643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3291.624643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3291.624643][ T10] ipv6_add_addr+0x411/0x2000 [ 3291.624643][ T10] inet6_addr_add+0x30e/0xa40 [ 3291.624643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.624643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.624643][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.624643][ T10] netlink_unicast+0x449/0x710 [ 3291.624643][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.624643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.624643][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.624643][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.624643][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.624643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.624643][ T10] [ 3291.626606][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3291.626606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3291.626606][ T10] ipv6_find_idev+0x102/0x170 [ 3291.626606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.626606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.626606][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.626606][ T10] netlink_unicast+0x449/0x710 [ 3291.626606][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.626606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.626606][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.626606][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.626606][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.626606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.626606][ T10] [ 3291.628084][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3291.628084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3291.628084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3291.628084][ T10] ipv6_find_idev+0x102/0x170 [ 3291.628084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.628084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.628084][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.628084][ T10] netlink_unicast+0x449/0x710 [ 3291.628084][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.628084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.628084][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.628084][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.628084][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.628084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.628084][ T10] [ 3291.629750][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3291.630026][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3291.630026][ T10] netdev_get_by_index+0x5e/0x80 [ 3291.630026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3291.630026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3291.630026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3291.630026][ T10] ipv6_add_addr+0x411/0x2000 [ 3291.630026][ T10] inet6_addr_add+0x30e/0xa40 [ 3291.630026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.630026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.630026][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.630026][ T10] netlink_unicast+0x449/0x710 [ 3291.630026][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.630026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.630026][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.630026][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.630026][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.630026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.630026][ T10] [ 3291.632031][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3291.632031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3291.632031][ T10] ipv6_find_idev+0x102/0x170 [ 3291.632031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.632031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.632031][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.632031][ T10] netlink_unicast+0x449/0x710 [ 3291.632031][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.632031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.632031][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.632031][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.632031][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.632031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.632031][ T10] [ 3291.633513][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3291.633513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3291.633513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3291.633513][ T10] ipv6_find_idev+0x102/0x170 [ 3291.633513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.633513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.633513][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.633513][ T10] netlink_unicast+0x449/0x710 [ 3291.633513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.633513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.633513][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.633513][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.633513][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.633513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.633513][ T10] [ 3291.635160][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3291.635412][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3291.635412][ T10] netdev_get_by_index+0x5e/0x80 [ 3291.635412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3291.635412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3291.635412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3291.635412][ T10] ipv6_add_addr+0x411/0x2000 [ 3291.635412][ T10] inet6_addr_add+0x30e/0xa40 [ 3291.635412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.635412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.635412][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.635412][ T10] netlink_unicast+0x449/0x710 [ 3291.635412][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.635412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.635412][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.635412][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.635412][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.635412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.635412][ T10] [ 3291.637337][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3291.637337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3291.637337][ T10] ipv6_find_idev+0x102/0x170 [ 3291.637337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.637337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.637337][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.637337][ T10] netlink_unicast+0x449/0x710 [ 3291.637337][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.637337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.637337][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.637337][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.637337][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.637337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.637337][ T10] [ 3291.638817][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3291.638817][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3291.638817][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3291.638817][ T10] ipv6_find_idev+0x102/0x170 [ 3291.638817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.638817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.638817][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.638817][ T10] netlink_unicast+0x449/0x710 [ 3291.638817][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.638817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.638817][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.638817][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.638817][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.638817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.638817][ T10] [ 3291.640493][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3291.640752][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3291.640752][ T10] netdev_get_by_index+0x5e/0x80 [ 3291.640752][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3291.640752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3291.640752][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3291.640752][ T10] ipv6_add_addr+0x411/0x2000 [ 3291.640752][ T10] inet6_addr_add+0x30e/0xa40 [ 3291.640752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.640752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.640752][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.640752][ T10] netlink_unicast+0x449/0x710 [ 3291.640752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.640752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.640752][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.640752][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.640752][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.640752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.640752][ T10] [ 3291.642715][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3291.642715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3291.642715][ T10] ipv6_find_idev+0x102/0x170 [ 3291.642715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.642715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.642715][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.642715][ T10] netlink_unicast+0x449/0x710 [ 3291.642715][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.642715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.642715][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.642715][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.642715][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.642715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.642715][ T10] [ 3291.644191][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3291.644191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3291.644191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3291.644191][ T10] ipv6_find_idev+0x102/0x170 [ 3291.644191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.644191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.644191][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.644191][ T10] netlink_unicast+0x449/0x710 [ 3291.644191][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.644191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.644191][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.644191][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.644191][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.644191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.644191][ T10] [ 3291.646288][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3291.646552][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3291.646552][ T10] netdev_get_by_index+0x5e/0x80 [ 3291.646552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3291.646552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3291.646552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3291.646552][ T10] ipv6_add_addr+0x411/0x2000 [ 3291.646552][ T10] inet6_addr_add+0x30e/0xa40 [ 3291.646552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.646552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.646552][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.646552][ T10] netlink_unicast+0x449/0x710 [ 3291.646552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.646552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.646552][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.646552][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.646552][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.646552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.646552][ T10] [ 3291.648610][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3291.648610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3291.648610][ T10] ipv6_find_idev+0x102/0x170 [ 3291.648610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.648610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.648610][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.648610][ T10] netlink_unicast+0x449/0x710 [ 3291.648610][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.648610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.648610][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.648610][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.648610][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.648610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.648610][ T10] [ 3291.650090][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3291.650090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3291.650090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3291.650090][ T10] ipv6_find_idev+0x102/0x170 [ 3291.650090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.650090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.650090][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.650090][ T10] netlink_unicast+0x449/0x710 [ 3291.650090][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.650090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.650090][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.650090][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.650090][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.650090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.650090][ T10] [ 3291.651766][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3291.652031][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3291.652031][ T10] netdev_get_by_index+0x5e/0x80 [ 3291.652031][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3291.652031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3291.652031][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3291.652031][ T10] ipv6_add_addr+0x411/0x2000 [ 3291.652031][ T10] inet6_addr_add+0x30e/0xa40 [ 3291.652031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.652031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.652031][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.652031][ T10] netlink_unicast+0x449/0x710 [ 3291.652031][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.652031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.652031][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.652031][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.652031][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.652031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.652031][ T10] [ 3291.654123][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3291.654123][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3291.654123][ T10] ipv6_find_idev+0x102/0x170 [ 3291.654123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.654123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.654123][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.654123][ T10] netlink_unicast+0x449/0x710 [ 3291.654123][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.654123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.654123][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.654123][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.654123][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.654123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.654123][ T10] [ 3291.655878][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3291.655878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3291.655878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3291.655878][ T10] ipv6_find_idev+0x102/0x170 [ 3291.655878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.655878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.655878][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.655878][ T10] netlink_unicast+0x449/0x710 [ 3291.655878][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.655878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.655878][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.655878][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.655878][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.655878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.655878][ T10] [ 3291.657714][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3291.657970][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3291.657970][ T10] netdev_get_by_index+0x5e/0x80 [ 3291.657970][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3291.657970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3291.657970][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3291.657970][ T10] ipv6_add_addr+0x411/0x2000 [ 3291.657970][ T10] inet6_addr_add+0x30e/0xa40 [ 3291.657970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.657970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.657970][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.657970][ T10] netlink_unicast+0x449/0x710 [ 3291.657970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.657970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.657970][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.657970][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.657970][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.657970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.657970][ T10] [ 3291.660206][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3291.660206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3291.660206][ T10] ipv6_find_idev+0x102/0x170 [ 3291.660206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.660206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.660206][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.660206][ T10] netlink_unicast+0x449/0x710 [ 3291.660206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.660206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.660206][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.660206][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.660206][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.660206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.660206][ T10] [ 3291.661908][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3291.661908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3291.661908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3291.661908][ T10] ipv6_find_idev+0x102/0x170 [ 3291.661908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.661908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.661908][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.661908][ T10] netlink_unicast+0x449/0x710 [ 3291.661908][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.661908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.661908][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.661908][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.661908][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.661908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.661908][ T10] [ 3291.663794][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3291.664057][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3291.664057][ T10] netdev_get_by_index+0x5e/0x80 [ 3291.664057][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3291.664057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3291.664057][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3291.664057][ T10] ipv6_add_addr+0x411/0x2000 [ 3291.664057][ T10] inet6_addr_add+0x30e/0xa40 [ 3291.664057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3291.664057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.664057][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.664057][ T10] netlink_unicast+0x449/0x710 [ 3291.664057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.664057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.664057][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.664057][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.664057][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.664057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.664057][ T10] [ 3291.666349][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3291.666349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3291.666349][ T10] ipv6_find_idev+0x102/0x170 [ 3291.666349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.666349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.666349][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.666349][ T10] netlink_unicast+0x449/0x710 [ 3291.666349][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.666349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.666349][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.666349][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.666349][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.666349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.666349][ T10] [ 3291.667973][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3291.667973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3291.667973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3291.667973][ T10] ipv6_find_idev+0x102/0x170 [ 3291.667973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3291.667973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3291.667973][ T10] netlink_rcv_skb+0x130/0x360 [ 3291.667973][ T10] netlink_unicast+0x449/0x710 [ 3291.667973][ T10] netlink_sendmsg+0x723/0xbe0 [ 3291.667973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3291.667973][ T10] ___sys_sendmsg+0xee/0x170 [ 3291.667973][ T10] __sys_sendmsg+0xcd/0x170 [ 3291.667973][ T10] do_syscall_64+0xc6/0x1e0 [ 3291.667973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3291.667973][ T10] [ 3301.912288][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3301.912922][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3301.912922][ T10] netdev_get_by_index+0x5e/0x80 [ 3301.912922][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3301.912922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3301.912922][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3301.912922][ T10] ipv6_add_addr+0x411/0x2000 [ 3301.912922][ T10] inet6_addr_add+0x30e/0xa40 [ 3301.912922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.912922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.912922][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.912922][ T10] netlink_unicast+0x449/0x710 [ 3301.912922][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.912922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.912922][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.912922][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.912922][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.912922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.912922][ T10] [ 3301.914859][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3301.914859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3301.914859][ T10] ipv6_find_idev+0x102/0x170 [ 3301.914859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.914859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.914859][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.914859][ T10] netlink_unicast+0x449/0x710 [ 3301.914859][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.914859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.914859][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.914859][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.914859][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.914859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.914859][ T10] [ 3301.916415][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3301.916415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3301.916415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3301.916415][ T10] ipv6_find_idev+0x102/0x170 [ 3301.916415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.916415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.916415][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.916415][ T10] netlink_unicast+0x449/0x710 [ 3301.916415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.916415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.916415][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.916415][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.916415][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.916415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.916415][ T10] [ 3301.918085][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3301.918399][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3301.918399][ T10] netdev_get_by_index+0x5e/0x80 [ 3301.918399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3301.918399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3301.918399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3301.918399][ T10] ipv6_add_addr+0x411/0x2000 [ 3301.918399][ T10] inet6_addr_add+0x30e/0xa40 [ 3301.918399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.918399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.918399][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.918399][ T10] netlink_unicast+0x449/0x710 [ 3301.918399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.918399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.918399][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.918399][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.918399][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.918399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.918399][ T10] [ 3301.920397][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3301.920397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3301.920397][ T10] ipv6_find_idev+0x102/0x170 [ 3301.920397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.920397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.920397][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.920397][ T10] netlink_unicast+0x449/0x710 [ 3301.920397][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.920397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.920397][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.920397][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.920397][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.920397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.920397][ T10] [ 3301.921932][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3301.921932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3301.921932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3301.921932][ T10] ipv6_find_idev+0x102/0x170 [ 3301.921932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.921932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.921932][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.921932][ T10] netlink_unicast+0x449/0x710 [ 3301.921932][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.921932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.921932][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.921932][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.921932][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.921932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.921932][ T10] [ 3301.923567][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3301.923846][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3301.923846][ T10] netdev_get_by_index+0x5e/0x80 [ 3301.923846][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3301.923846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3301.923846][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3301.923846][ T10] ipv6_add_addr+0x411/0x2000 [ 3301.923846][ T10] inet6_addr_add+0x30e/0xa40 [ 3301.923846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.923846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.923846][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.923846][ T10] netlink_unicast+0x449/0x710 [ 3301.923846][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.923846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.923846][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.923846][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.923846][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.923846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.923846][ T10] [ 3301.925860][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3301.925860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3301.925860][ T10] ipv6_find_idev+0x102/0x170 [ 3301.925860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.925860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.925860][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.925860][ T10] netlink_unicast+0x449/0x710 [ 3301.925860][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.925860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.925860][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.925860][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.925860][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.925860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.925860][ T10] [ 3301.927358][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3301.927358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3301.927358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3301.927358][ T10] ipv6_find_idev+0x102/0x170 [ 3301.927358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.927358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.927358][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.927358][ T10] netlink_unicast+0x449/0x710 [ 3301.927358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.927358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.927358][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.927358][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.927358][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.927358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.927358][ T10] [ 3301.929025][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3301.929756][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3301.929756][ T10] netdev_get_by_index+0x5e/0x80 [ 3301.929756][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3301.929756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3301.929756][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3301.929756][ T10] ipv6_add_addr+0x411/0x2000 [ 3301.929756][ T10] inet6_addr_add+0x30e/0xa40 [ 3301.929756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.929756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.929756][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.929756][ T10] netlink_unicast+0x449/0x710 [ 3301.929756][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.929756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.929756][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.929756][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.929756][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.929756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.929756][ T10] [ 3301.931742][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3301.931742][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3301.931742][ T10] ipv6_find_idev+0x102/0x170 [ 3301.931742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.931742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.931742][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.931742][ T10] netlink_unicast+0x449/0x710 [ 3301.931742][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.931742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.931742][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.931742][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.931742][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.931742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.931742][ T10] [ 3301.933248][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3301.933248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3301.933248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3301.933248][ T10] ipv6_find_idev+0x102/0x170 [ 3301.933248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.933248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.933248][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.933248][ T10] netlink_unicast+0x449/0x710 [ 3301.933248][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.933248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.933248][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.933248][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.933248][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.933248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.933248][ T10] [ 3301.934925][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3301.935245][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3301.935245][ T10] netdev_get_by_index+0x5e/0x80 [ 3301.935245][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3301.935245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3301.935245][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3301.935245][ T10] ipv6_add_addr+0x411/0x2000 [ 3301.935245][ T10] inet6_addr_add+0x30e/0xa40 [ 3301.935245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.935245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.935245][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.935245][ T10] netlink_unicast+0x449/0x710 [ 3301.935245][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.935245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.935245][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.935245][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.935245][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.935245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.935245][ T10] [ 3301.937196][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3301.937196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3301.937196][ T10] ipv6_find_idev+0x102/0x170 [ 3301.937196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.937196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.937196][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.937196][ T10] netlink_unicast+0x449/0x710 [ 3301.937196][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.937196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.937196][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.937196][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.937196][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.937196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.937196][ T10] [ 3301.938669][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3301.938669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3301.938669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3301.938669][ T10] ipv6_find_idev+0x102/0x170 [ 3301.938669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.938669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.938669][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.938669][ T10] netlink_unicast+0x449/0x710 [ 3301.938669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.938669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.938669][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.938669][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.938669][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.938669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.938669][ T10] [ 3301.940395][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3301.940665][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3301.940665][ T10] netdev_get_by_index+0x5e/0x80 [ 3301.940665][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3301.940665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3301.940665][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3301.940665][ T10] ipv6_add_addr+0x411/0x2000 [ 3301.940665][ T10] inet6_addr_add+0x30e/0xa40 [ 3301.940665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.940665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.940665][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.940665][ T10] netlink_unicast+0x449/0x710 [ 3301.940665][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.940665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.940665][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.940665][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.940665][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.940665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.940665][ T10] [ 3301.942719][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3301.942719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3301.942719][ T10] ipv6_find_idev+0x102/0x170 [ 3301.942719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.942719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.942719][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.942719][ T10] netlink_unicast+0x449/0x710 [ 3301.942719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.942719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.942719][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.942719][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.942719][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.942719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.942719][ T10] [ 3301.944495][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3301.944495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3301.944495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3301.944495][ T10] ipv6_find_idev+0x102/0x170 [ 3301.944495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.944495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.944495][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.944495][ T10] netlink_unicast+0x449/0x710 [ 3301.944495][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.944495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.944495][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.944495][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.944495][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.944495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.944495][ T10] [ 3301.946381][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3301.946641][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3301.946641][ T10] netdev_get_by_index+0x5e/0x80 [ 3301.946641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3301.946641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3301.946641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3301.946641][ T10] ipv6_add_addr+0x411/0x2000 [ 3301.946641][ T10] inet6_addr_add+0x30e/0xa40 [ 3301.946641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.946641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.946641][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.946641][ T10] netlink_unicast+0x449/0x710 [ 3301.946641][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.946641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.946641][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.946641][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.946641][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.946641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.946641][ T10] [ 3301.948722][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3301.948722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3301.948722][ T10] ipv6_find_idev+0x102/0x170 [ 3301.948722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.948722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.948722][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.948722][ T10] netlink_unicast+0x449/0x710 [ 3301.948722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.948722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.948722][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.948722][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.948722][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.948722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.948722][ T10] [ 3301.950423][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3301.950423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3301.950423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3301.950423][ T10] ipv6_find_idev+0x102/0x170 [ 3301.950423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.950423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.950423][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.950423][ T10] netlink_unicast+0x449/0x710 [ 3301.950423][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.950423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.950423][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.950423][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.950423][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.950423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.950423][ T10] [ 3301.952374][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3301.952696][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3301.952696][ T10] netdev_get_by_index+0x5e/0x80 [ 3301.952696][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3301.952696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3301.952696][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3301.952696][ T10] ipv6_add_addr+0x411/0x2000 [ 3301.952696][ T10] inet6_addr_add+0x30e/0xa40 [ 3301.952696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3301.952696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.952696][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.952696][ T10] netlink_unicast+0x449/0x710 [ 3301.952696][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.952696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.952696][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.952696][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.952696][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.952696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.952696][ T10] [ 3301.954878][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3301.954878][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3301.954878][ T10] ipv6_find_idev+0x102/0x170 [ 3301.954878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.954878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.954878][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.954878][ T10] netlink_unicast+0x449/0x710 [ 3301.954878][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.954878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.954878][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.954878][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.954878][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.954878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.954878][ T10] [ 3301.956600][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3301.956600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3301.956600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3301.956600][ T10] ipv6_find_idev+0x102/0x170 [ 3301.956600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3301.956600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3301.956600][ T10] netlink_rcv_skb+0x130/0x360 [ 3301.956600][ T10] netlink_unicast+0x449/0x710 [ 3301.956600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3301.956600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3301.956600][ T10] ___sys_sendmsg+0xee/0x170 [ 3301.956600][ T10] __sys_sendmsg+0xcd/0x170 [ 3301.956600][ T10] do_syscall_64+0xc6/0x1e0 [ 3301.956600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3301.956600][ T10] [ 3311.992277][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3311.993048][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3311.993048][ T10] netdev_get_by_index+0x5e/0x80 [ 3311.993048][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3311.993048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3311.993048][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3311.993048][ T10] ipv6_add_addr+0x411/0x2000 [ 3311.993048][ T10] inet6_addr_add+0x30e/0xa40 [ 3311.993048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3311.993048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3311.993048][ T10] netlink_rcv_skb+0x130/0x360 [ 3311.993048][ T10] netlink_unicast+0x449/0x710 [ 3311.993048][ T10] netlink_sendmsg+0x723/0xbe0 [ 3311.993048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3311.993048][ T10] ___sys_sendmsg+0xee/0x170 [ 3311.993048][ T10] __sys_sendmsg+0xcd/0x170 [ 3311.993048][ T10] do_syscall_64+0xc6/0x1e0 [ 3311.993048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3311.993048][ T10] [ 3311.995106][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3311.995106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3311.995106][ T10] ipv6_find_idev+0x102/0x170 [ 3311.995106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3311.995106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3311.995106][ T10] netlink_rcv_skb+0x130/0x360 [ 3311.995106][ T10] netlink_unicast+0x449/0x710 [ 3311.995106][ T10] netlink_sendmsg+0x723/0xbe0 [ 3311.995106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3311.995106][ T10] ___sys_sendmsg+0xee/0x170 [ 3311.995106][ T10] __sys_sendmsg+0xcd/0x170 [ 3311.995106][ T10] do_syscall_64+0xc6/0x1e0 [ 3311.995106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3311.995106][ T10] [ 3311.996643][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3311.996643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3311.996643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3311.996643][ T10] ipv6_find_idev+0x102/0x170 [ 3311.996643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3311.996643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3311.996643][ T10] netlink_rcv_skb+0x130/0x360 [ 3311.996643][ T10] netlink_unicast+0x449/0x710 [ 3311.996643][ T10] netlink_sendmsg+0x723/0xbe0 [ 3311.996643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3311.996643][ T10] ___sys_sendmsg+0xee/0x170 [ 3311.996643][ T10] __sys_sendmsg+0xcd/0x170 [ 3311.996643][ T10] do_syscall_64+0xc6/0x1e0 [ 3311.996643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3311.996643][ T10] [ 3311.998315][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3311.998591][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3311.998591][ T10] netdev_get_by_index+0x5e/0x80 [ 3311.998591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3311.998591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3311.998591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3311.998591][ T10] ipv6_add_addr+0x411/0x2000 [ 3311.998591][ T10] inet6_addr_add+0x30e/0xa40 [ 3311.998591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3311.998591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3311.998591][ T10] netlink_rcv_skb+0x130/0x360 [ 3311.998591][ T10] netlink_unicast+0x449/0x710 [ 3311.998591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3311.998591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3311.998591][ T10] ___sys_sendmsg+0xee/0x170 [ 3311.998591][ T10] __sys_sendmsg+0xcd/0x170 [ 3311.998591][ T10] do_syscall_64+0xc6/0x1e0 [ 3311.998591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3311.998591][ T10] [ 3312.000589][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3312.000589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3312.000589][ T10] ipv6_find_idev+0x102/0x170 [ 3312.000589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.000589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.000589][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.000589][ T10] netlink_unicast+0x449/0x710 [ 3312.000589][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.000589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.000589][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.000589][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.000589][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.000589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.000589][ T10] [ 3312.002105][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3312.002105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3312.002105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3312.002105][ T10] ipv6_find_idev+0x102/0x170 [ 3312.002105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.002105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.002105][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.002105][ T10] netlink_unicast+0x449/0x710 [ 3312.002105][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.002105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.002105][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.002105][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.002105][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.002105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.002105][ T10] [ 3312.003765][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3312.004029][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3312.004029][ T10] netdev_get_by_index+0x5e/0x80 [ 3312.004029][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3312.004029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3312.004029][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3312.004029][ T10] ipv6_add_addr+0x411/0x2000 [ 3312.004029][ T10] inet6_addr_add+0x30e/0xa40 [ 3312.004029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.004029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.004029][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.004029][ T10] netlink_unicast+0x449/0x710 [ 3312.004029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.004029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.004029][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.004029][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.004029][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.004029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.004029][ T10] [ 3312.006012][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3312.006012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3312.006012][ T10] ipv6_find_idev+0x102/0x170 [ 3312.006012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.006012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.006012][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.006012][ T10] netlink_unicast+0x449/0x710 [ 3312.006012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.006012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.006012][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.006012][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.006012][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.006012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.006012][ T10] [ 3312.007496][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3312.007496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3312.007496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3312.007496][ T10] ipv6_find_idev+0x102/0x170 [ 3312.007496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.007496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.007496][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.007496][ T10] netlink_unicast+0x449/0x710 [ 3312.007496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.007496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.007496][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.007496][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.007496][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.007496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.007496][ T10] [ 3312.009156][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3312.009437][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3312.009437][ T10] netdev_get_by_index+0x5e/0x80 [ 3312.009437][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3312.009437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3312.009437][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3312.009437][ T10] ipv6_add_addr+0x411/0x2000 [ 3312.009437][ T10] inet6_addr_add+0x30e/0xa40 [ 3312.009437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.009437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.009437][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.009437][ T10] netlink_unicast+0x449/0x710 [ 3312.009437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.009437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.009437][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.009437][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.009437][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.009437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.009437][ T10] [ 3312.011639][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3312.011639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3312.011639][ T10] ipv6_find_idev+0x102/0x170 [ 3312.011639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.011639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.011639][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.011639][ T10] netlink_unicast+0x449/0x710 [ 3312.011639][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.011639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.011639][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.011639][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.011639][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.011639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.011639][ T10] [ 3312.013146][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3312.013146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3312.013146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3312.013146][ T10] ipv6_find_idev+0x102/0x170 [ 3312.013146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.013146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.013146][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.013146][ T10] netlink_unicast+0x449/0x710 [ 3312.013146][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.013146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.013146][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.013146][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.013146][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.013146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.013146][ T10] [ 3312.015217][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3312.015475][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3312.015475][ T10] netdev_get_by_index+0x5e/0x80 [ 3312.015475][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3312.015475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3312.015475][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3312.015475][ T10] ipv6_add_addr+0x411/0x2000 [ 3312.015475][ T10] inet6_addr_add+0x30e/0xa40 [ 3312.015475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.015475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.015475][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.015475][ T10] netlink_unicast+0x449/0x710 [ 3312.015475][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.015475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.015475][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.015475][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.015475][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.015475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.015475][ T10] [ 3312.017434][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3312.017434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3312.017434][ T10] ipv6_find_idev+0x102/0x170 [ 3312.017434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.017434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.017434][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.017434][ T10] netlink_unicast+0x449/0x710 [ 3312.017434][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.017434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.017434][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.017434][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.017434][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.017434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.017434][ T10] [ 3312.018973][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3312.018973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3312.018973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3312.018973][ T10] ipv6_find_idev+0x102/0x170 [ 3312.018973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.018973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.018973][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.018973][ T10] netlink_unicast+0x449/0x710 [ 3312.018973][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.018973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.018973][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.018973][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.018973][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.018973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.018973][ T10] [ 3312.020694][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3312.020972][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3312.020972][ T10] netdev_get_by_index+0x5e/0x80 [ 3312.020972][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3312.020972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3312.020972][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3312.020972][ T10] ipv6_add_addr+0x411/0x2000 [ 3312.020972][ T10] inet6_addr_add+0x30e/0xa40 [ 3312.020972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.020972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.020972][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.020972][ T10] netlink_unicast+0x449/0x710 [ 3312.020972][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.020972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.020972][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.020972][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.020972][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.020972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.020972][ T10] [ 3312.023096][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3312.023096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3312.023096][ T10] ipv6_find_idev+0x102/0x170 [ 3312.023096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.023096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.023096][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.023096][ T10] netlink_unicast+0x449/0x710 [ 3312.023096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.023096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.023096][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.023096][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.023096][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.023096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.023096][ T10] [ 3312.024862][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3312.024862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3312.024862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3312.024862][ T10] ipv6_find_idev+0x102/0x170 [ 3312.024862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.024862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.024862][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.024862][ T10] netlink_unicast+0x449/0x710 [ 3312.024862][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.024862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.024862][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.024862][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.024862][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.024862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.024862][ T10] [ 3312.026696][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3312.026952][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3312.026952][ T10] netdev_get_by_index+0x5e/0x80 [ 3312.026952][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3312.026952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3312.026952][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3312.026952][ T10] ipv6_add_addr+0x411/0x2000 [ 3312.026952][ T10] inet6_addr_add+0x30e/0xa40 [ 3312.026952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.026952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.026952][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.026952][ T10] netlink_unicast+0x449/0x710 [ 3312.026952][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.026952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.026952][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.026952][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.026952][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.026952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.026952][ T10] [ 3312.029168][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3312.029168][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3312.029168][ T10] ipv6_find_idev+0x102/0x170 [ 3312.029168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.029168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.029168][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.029168][ T10] netlink_unicast+0x449/0x710 [ 3312.029168][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.029168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.029168][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.029168][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.029168][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.029168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.029168][ T10] [ 3312.030864][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3312.030864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3312.030864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3312.030864][ T10] ipv6_find_idev+0x102/0x170 [ 3312.030864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.030864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.030864][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.030864][ T10] netlink_unicast+0x449/0x710 [ 3312.030864][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.030864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.030864][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.030864][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.030864][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.030864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.030864][ T10] [ 3312.032734][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3312.032996][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3312.032996][ T10] netdev_get_by_index+0x5e/0x80 [ 3312.032996][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3312.032996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3312.032996][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3312.032996][ T10] ipv6_add_addr+0x411/0x2000 [ 3312.032996][ T10] inet6_addr_add+0x30e/0xa40 [ 3312.032996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3312.032996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.032996][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.032996][ T10] netlink_unicast+0x449/0x710 [ 3312.032996][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.032996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.032996][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.032996][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.032996][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.032996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.032996][ T10] [ 3312.035227][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3312.035227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3312.035227][ T10] ipv6_find_idev+0x102/0x170 [ 3312.035227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.035227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.035227][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.035227][ T10] netlink_unicast+0x449/0x710 [ 3312.035227][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.035227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.035227][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.035227][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.035227][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.035227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.035227][ T10] [ 3312.036827][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3312.036827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3312.036827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3312.036827][ T10] ipv6_find_idev+0x102/0x170 [ 3312.036827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3312.036827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3312.036827][ T10] netlink_rcv_skb+0x130/0x360 [ 3312.036827][ T10] netlink_unicast+0x449/0x710 [ 3312.036827][ T10] netlink_sendmsg+0x723/0xbe0 [ 3312.036827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3312.036827][ T10] ___sys_sendmsg+0xee/0x170 [ 3312.036827][ T10] __sys_sendmsg+0xcd/0x170 [ 3312.036827][ T10] do_syscall_64+0xc6/0x1e0 [ 3312.036827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3312.036827][ T10] [ 3319.064297][ T42] INFO: task modprobe:14771 blocked for more than 245 seconds. [ 3319.064760][ T42] Not tainted 6.8.0-virtme #1 [ 3319.064878][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3319.065075][ T42] task:modprobe state:D stack:25856 pid:14771 tgid:14771 ppid:36 flags:0x00004002 [ 3319.065349][ T42] Call Trace: [ 3319.066293][ T42] [ 3319.066365][ T42] __schedule+0x705/0x1ac0 [ 3319.066507][ T42] ? __pfx___schedule+0x10/0x10 [ 3319.066629][ T42] ? schedule+0x1a5/0x210 [ 3319.066725][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3319.066855][ T42] ? mark_lock+0x38/0x3e0 [ 3319.066947][ T42] ? do_raw_spin_lock+0x131/0x270 [ 3319.067089][ T42] ? schedule+0x1a5/0x210 [ 3319.067201][ T42] schedule+0xdf/0x210 [ 3319.067303][ T42] schedule_preempt_disabled+0x15/0x30 [ 3319.067425][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 3319.067554][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 3319.067709][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3319.067841][ T42] ? lock_acquire+0x1c1/0x220 [ 3319.067963][ T42] ? register_pernet_subsys+0x1a/0x50 [ 3319.068109][ T42] down_write+0x1c9/0x200 [ 3319.068205][ T42] ? __pfx_down_write+0x10/0x10 [ 3319.068338][ T42] ? __lock_release+0x103/0x460 [ 3319.068459][ T42] ? __create_object+0x5e/0xb0 [ 3319.068583][ T42] ? __pfx___lock_release+0x10/0x10 [ 3319.068709][ T42] register_pernet_subsys+0x1a/0x50 [ 3319.068838][ T42] tcf_register_action+0xa3/0x600 [ 3319.068962][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 3319.069129][ T42] do_one_initcall+0xc8/0x3f0 [ 3319.069271][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 3319.069402][ T42] ? __create_object+0x5e/0xb0 [ 3319.069527][ T42] ? kasan_unpoison+0x27/0x60 [ 3319.069659][ T42] do_init_module+0x233/0x740 [ 3319.069791][ T42] load_module+0x16b5/0x2350 [ 3319.069924][ T42] ? __pfx_load_module+0x10/0x10 [ 3319.070051][ T42] ? kernel_read_file+0x3d2/0x520 [ 3319.070202][ T42] ? kernel_read_file+0x300/0x520 [ 3319.070337][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 3319.070468][ T42] ? init_module_from_file+0xd2/0x130 [ 3319.070603][ T42] init_module_from_file+0xd2/0x130 [ 3319.070725][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 3319.070877][ T42] ? __lock_release+0x103/0x460 [ 3319.070999][ T42] ? idempotent_init_module+0x32a/0x620 [ 3319.071143][ T42] ? idempotent_init_module+0x32a/0x620 [ 3319.071266][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 3319.071396][ T42] idempotent_init_module+0x342/0x620 [ 3319.071524][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 3319.071696][ T42] __x64_sys_finit_module+0xbe/0x130 [ 3319.071821][ T42] do_syscall_64+0xc6/0x1e0 [ 3319.071946][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3319.072114][ T42] RIP: 0033:0x7f9f7563de5d [ 3319.072243][ T42] RSP: 002b:00007ffe3a6850f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 3319.072427][ T42] RAX: ffffffffffffffda RBX: 0000558501133c00 RCX: 00007f9f7563de5d [ 3319.072610][ T42] RDX: 0000000000000000 RSI: 00005584c204fa2a RDI: 0000000000000000 [ 3319.072791][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe3a685230 [ 3319.072974][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584c204fa2a [ 3319.073163][ T42] R13: 0000558501133b10 R14: 0000558501133f40 R15: 0000558501133c72 [ 3319.073361][ T42] [ 3319.073454][ T42] [ 3319.073454][ T42] Showing all locks held in the system: [ 3319.073624][ T42] 3 locks held by kworker/u16:0/10: [ 3319.073748][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3319.073996][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3319.074229][ T42] #2: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 3319.074460][ T42] 2 locks held by kworker/u17:0/36: [ 3319.074576][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3319.074821][ T42] #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3319.075103][ T42] 1 lock held by khungtaskd/42: [ 3319.075223][ T42] #0: ffffffff96f69160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 3319.075449][ T42] 1 lock held by modprobe/14771: [ 3319.075571][ T42] #0: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 3319.075814][ T42] [ 3319.075877][ T42] ============================================= [ 3319.075877][ T42] [ 3322.288368][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3322.288999][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3322.288999][ T10] netdev_get_by_index+0x5e/0x80 [ 3322.288999][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3322.288999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3322.288999][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3322.288999][ T10] ipv6_add_addr+0x411/0x2000 [ 3322.288999][ T10] inet6_addr_add+0x30e/0xa40 [ 3322.288999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.288999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.288999][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.288999][ T10] netlink_unicast+0x449/0x710 [ 3322.288999][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.288999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.288999][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.288999][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.288999][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.288999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.288999][ T10] [ 3322.290951][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3322.290951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3322.290951][ T10] ipv6_find_idev+0x102/0x170 [ 3322.290951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.290951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.290951][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.290951][ T10] netlink_unicast+0x449/0x710 [ 3322.290951][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.290951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.290951][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.290951][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.290951][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.290951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.290951][ T10] [ 3322.292379][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3322.292379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3322.292379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3322.292379][ T10] ipv6_find_idev+0x102/0x170 [ 3322.292379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.292379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.292379][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.292379][ T10] netlink_unicast+0x449/0x710 [ 3322.292379][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.292379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.292379][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.292379][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.292379][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.292379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.292379][ T10] [ 3322.293977][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3322.294252][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3322.294252][ T10] netdev_get_by_index+0x5e/0x80 [ 3322.294252][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3322.294252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3322.294252][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3322.294252][ T10] ipv6_add_addr+0x411/0x2000 [ 3322.294252][ T10] inet6_addr_add+0x30e/0xa40 [ 3322.294252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.294252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.294252][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.294252][ T10] netlink_unicast+0x449/0x710 [ 3322.294252][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.294252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.294252][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.294252][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.294252][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.294252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.294252][ T10] [ 3322.296261][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3322.296261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3322.296261][ T10] ipv6_find_idev+0x102/0x170 [ 3322.296261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.296261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.296261][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.296261][ T10] netlink_unicast+0x449/0x710 [ 3322.296261][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.296261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.296261][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.296261][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.296261][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.296261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.296261][ T10] [ 3322.297813][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3322.297813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3322.297813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3322.297813][ T10] ipv6_find_idev+0x102/0x170 [ 3322.297813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.297813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.297813][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.297813][ T10] netlink_unicast+0x449/0x710 [ 3322.297813][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.297813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.297813][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.297813][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.297813][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.297813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.297813][ T10] [ 3322.299413][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3322.299700][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3322.299700][ T10] netdev_get_by_index+0x5e/0x80 [ 3322.299700][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3322.299700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3322.299700][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3322.299700][ T10] ipv6_add_addr+0x411/0x2000 [ 3322.299700][ T10] inet6_addr_add+0x30e/0xa40 [ 3322.299700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.299700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.299700][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.299700][ T10] netlink_unicast+0x449/0x710 [ 3322.299700][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.299700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.299700][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.299700][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.299700][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.299700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.299700][ T10] [ 3322.301709][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3322.301709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3322.301709][ T10] ipv6_find_idev+0x102/0x170 [ 3322.301709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.301709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.301709][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.301709][ T10] netlink_unicast+0x449/0x710 [ 3322.301709][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.301709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.301709][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.301709][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.301709][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.301709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.301709][ T10] [ 3322.303186][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3322.303186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3322.303186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3322.303186][ T10] ipv6_find_idev+0x102/0x170 [ 3322.303186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.303186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.303186][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.303186][ T10] netlink_unicast+0x449/0x710 [ 3322.303186][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.303186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.303186][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.303186][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.303186][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.303186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.303186][ T10] [ 3322.304870][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3322.305135][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3322.305135][ T10] netdev_get_by_index+0x5e/0x80 [ 3322.305135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3322.305135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3322.305135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3322.305135][ T10] ipv6_add_addr+0x411/0x2000 [ 3322.305135][ T10] inet6_addr_add+0x30e/0xa40 [ 3322.305135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.305135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.305135][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.305135][ T10] netlink_unicast+0x449/0x710 [ 3322.305135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.305135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.305135][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.305135][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.305135][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.305135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.305135][ T10] [ 3322.307097][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3322.307097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3322.307097][ T10] ipv6_find_idev+0x102/0x170 [ 3322.307097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.307097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.307097][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.307097][ T10] netlink_unicast+0x449/0x710 [ 3322.307097][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.307097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.307097][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.307097][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.307097][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.307097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.307097][ T10] [ 3322.308622][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3322.308622][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3322.308622][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3322.308622][ T10] ipv6_find_idev+0x102/0x170 [ 3322.308622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.308622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.308622][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.308622][ T10] netlink_unicast+0x449/0x710 [ 3322.308622][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.308622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.308622][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.308622][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.308622][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.308622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.308622][ T10] [ 3322.310750][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3322.311357][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3322.311357][ T10] netdev_get_by_index+0x5e/0x80 [ 3322.311357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3322.311357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3322.311357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3322.311357][ T10] ipv6_add_addr+0x411/0x2000 [ 3322.311357][ T10] inet6_addr_add+0x30e/0xa40 [ 3322.311357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.311357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.311357][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.311357][ T10] netlink_unicast+0x449/0x710 [ 3322.311357][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.311357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.311357][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.311357][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.311357][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.311357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.311357][ T10] [ 3322.313304][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3322.313304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3322.313304][ T10] ipv6_find_idev+0x102/0x170 [ 3322.313304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.313304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.313304][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.313304][ T10] netlink_unicast+0x449/0x710 [ 3322.313304][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.313304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.313304][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.313304][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.313304][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.313304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.313304][ T10] [ 3322.314798][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3322.314798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3322.314798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3322.314798][ T10] ipv6_find_idev+0x102/0x170 [ 3322.314798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.314798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.314798][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.314798][ T10] netlink_unicast+0x449/0x710 [ 3322.314798][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.314798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.314798][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.314798][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.314798][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.314798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.314798][ T10] [ 3322.316471][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3322.316768][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3322.316768][ T10] netdev_get_by_index+0x5e/0x80 [ 3322.316768][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3322.316768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3322.316768][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3322.316768][ T10] ipv6_add_addr+0x411/0x2000 [ 3322.316768][ T10] inet6_addr_add+0x30e/0xa40 [ 3322.316768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.316768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.316768][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.316768][ T10] netlink_unicast+0x449/0x710 [ 3322.316768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.316768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.316768][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.316768][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.316768][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.316768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.316768][ T10] [ 3322.318774][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3322.318774][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3322.318774][ T10] ipv6_find_idev+0x102/0x170 [ 3322.318774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.318774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.318774][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.318774][ T10] netlink_unicast+0x449/0x710 [ 3322.318774][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.318774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.318774][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.318774][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.318774][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.318774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.318774][ T10] [ 3322.320401][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3322.320401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3322.320401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3322.320401][ T10] ipv6_find_idev+0x102/0x170 [ 3322.320401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.320401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.320401][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.320401][ T10] netlink_unicast+0x449/0x710 [ 3322.320401][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.320401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.320401][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.320401][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.320401][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.320401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.320401][ T10] [ 3322.322328][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3322.322649][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3322.322649][ T10] netdev_get_by_index+0x5e/0x80 [ 3322.322649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3322.322649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3322.322649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3322.322649][ T10] ipv6_add_addr+0x411/0x2000 [ 3322.322649][ T10] inet6_addr_add+0x30e/0xa40 [ 3322.322649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.322649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.322649][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.322649][ T10] netlink_unicast+0x449/0x710 [ 3322.322649][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.322649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.322649][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.322649][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.322649][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.322649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.322649][ T10] [ 3322.324834][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3322.324834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3322.324834][ T10] ipv6_find_idev+0x102/0x170 [ 3322.324834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.324834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.324834][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.324834][ T10] netlink_unicast+0x449/0x710 [ 3322.324834][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.324834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.324834][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.324834][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.324834][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.324834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.324834][ T10] [ 3322.326554][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3322.326554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3322.326554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3322.326554][ T10] ipv6_find_idev+0x102/0x170 [ 3322.326554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.326554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.326554][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.326554][ T10] netlink_unicast+0x449/0x710 [ 3322.326554][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.326554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.326554][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.326554][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.326554][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.326554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.326554][ T10] [ 3322.328397][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3322.328724][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3322.328724][ T10] netdev_get_by_index+0x5e/0x80 [ 3322.328724][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3322.328724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3322.328724][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3322.328724][ T10] ipv6_add_addr+0x411/0x2000 [ 3322.328724][ T10] inet6_addr_add+0x30e/0xa40 [ 3322.328724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3322.328724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.328724][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.328724][ T10] netlink_unicast+0x449/0x710 [ 3322.328724][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.328724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.328724][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.328724][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.328724][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.328724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.328724][ T10] [ 3322.330889][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3322.330889][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3322.330889][ T10] ipv6_find_idev+0x102/0x170 [ 3322.330889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.330889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.330889][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.330889][ T10] netlink_unicast+0x449/0x710 [ 3322.330889][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.330889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.330889][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.330889][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.330889][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.330889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.330889][ T10] [ 3322.332552][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3322.332552][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3322.332552][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3322.332552][ T10] ipv6_find_idev+0x102/0x170 [ 3322.332552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3322.332552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3322.332552][ T10] netlink_rcv_skb+0x130/0x360 [ 3322.332552][ T10] netlink_unicast+0x449/0x710 [ 3322.332552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3322.332552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3322.332552][ T10] ___sys_sendmsg+0xee/0x170 [ 3322.332552][ T10] __sys_sendmsg+0xcd/0x170 [ 3322.332552][ T10] do_syscall_64+0xc6/0x1e0 [ 3322.332552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3322.332552][ T10] [ 3332.584317][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3332.585017][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3332.585017][ T10] netdev_get_by_index+0x5e/0x80 [ 3332.585017][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3332.585017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3332.585017][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3332.585017][ T10] ipv6_add_addr+0x411/0x2000 [ 3332.585017][ T10] inet6_addr_add+0x30e/0xa40 [ 3332.585017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.585017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.585017][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.585017][ T10] netlink_unicast+0x449/0x710 [ 3332.585017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.585017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.585017][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.585017][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.585017][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.585017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.585017][ T10] [ 3332.586965][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3332.586965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3332.586965][ T10] ipv6_find_idev+0x102/0x170 [ 3332.586965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.586965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.586965][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.586965][ T10] netlink_unicast+0x449/0x710 [ 3332.586965][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.586965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.586965][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.586965][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.586965][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.586965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.586965][ T10] [ 3332.588510][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3332.588510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3332.588510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3332.588510][ T10] ipv6_find_idev+0x102/0x170 [ 3332.588510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.588510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.588510][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.588510][ T10] netlink_unicast+0x449/0x710 [ 3332.588510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.588510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.588510][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.588510][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.588510][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.588510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.588510][ T10] [ 3332.590230][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3332.590499][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3332.590499][ T10] netdev_get_by_index+0x5e/0x80 [ 3332.590499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3332.590499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3332.590499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3332.590499][ T10] ipv6_add_addr+0x411/0x2000 [ 3332.590499][ T10] inet6_addr_add+0x30e/0xa40 [ 3332.590499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.590499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.590499][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.590499][ T10] netlink_unicast+0x449/0x710 [ 3332.590499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.590499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.590499][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.590499][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.590499][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.590499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.590499][ T10] [ 3332.592480][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3332.592480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3332.592480][ T10] ipv6_find_idev+0x102/0x170 [ 3332.592480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.592480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.592480][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.592480][ T10] netlink_unicast+0x449/0x710 [ 3332.592480][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.592480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.592480][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.592480][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.592480][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.592480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.592480][ T10] [ 3332.593981][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3332.593981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3332.593981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3332.593981][ T10] ipv6_find_idev+0x102/0x170 [ 3332.593981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.593981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.593981][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.593981][ T10] netlink_unicast+0x449/0x710 [ 3332.593981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.593981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.593981][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.593981][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.593981][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.593981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.593981][ T10] [ 3332.595601][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3332.595879][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3332.595879][ T10] netdev_get_by_index+0x5e/0x80 [ 3332.595879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3332.595879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3332.595879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3332.595879][ T10] ipv6_add_addr+0x411/0x2000 [ 3332.595879][ T10] inet6_addr_add+0x30e/0xa40 [ 3332.595879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.595879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.595879][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.595879][ T10] netlink_unicast+0x449/0x710 [ 3332.595879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.595879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.595879][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.595879][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.595879][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.595879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.595879][ T10] [ 3332.597850][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3332.597850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3332.597850][ T10] ipv6_find_idev+0x102/0x170 [ 3332.597850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.597850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.597850][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.597850][ T10] netlink_unicast+0x449/0x710 [ 3332.597850][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.597850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.597850][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.597850][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.597850][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.597850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.597850][ T10] [ 3332.599370][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3332.599370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3332.599370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3332.599370][ T10] ipv6_find_idev+0x102/0x170 [ 3332.599370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.599370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.599370][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.599370][ T10] netlink_unicast+0x449/0x710 [ 3332.599370][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.599370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.599370][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.599370][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.599370][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.599370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.599370][ T10] [ 3332.601015][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3332.601736][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3332.601736][ T10] netdev_get_by_index+0x5e/0x80 [ 3332.601736][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3332.601736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3332.601736][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3332.601736][ T10] ipv6_add_addr+0x411/0x2000 [ 3332.601736][ T10] inet6_addr_add+0x30e/0xa40 [ 3332.601736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.601736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.601736][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.601736][ T10] netlink_unicast+0x449/0x710 [ 3332.601736][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.601736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.601736][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.601736][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.601736][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.601736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.601736][ T10] [ 3332.603679][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3332.603679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3332.603679][ T10] ipv6_find_idev+0x102/0x170 [ 3332.603679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.603679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.603679][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.603679][ T10] netlink_unicast+0x449/0x710 [ 3332.603679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.603679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.603679][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.603679][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.603679][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.603679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.603679][ T10] [ 3332.605206][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3332.605206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3332.605206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3332.605206][ T10] ipv6_find_idev+0x102/0x170 [ 3332.605206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.605206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.605206][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.605206][ T10] netlink_unicast+0x449/0x710 [ 3332.605206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.605206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.605206][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.605206][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.605206][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.605206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.605206][ T10] [ 3332.606914][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3332.607224][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3332.607224][ T10] netdev_get_by_index+0x5e/0x80 [ 3332.607224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3332.607224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3332.607224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3332.607224][ T10] ipv6_add_addr+0x411/0x2000 [ 3332.607224][ T10] inet6_addr_add+0x30e/0xa40 [ 3332.607224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.607224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.607224][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.607224][ T10] netlink_unicast+0x449/0x710 [ 3332.607224][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.607224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.607224][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.607224][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.607224][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.607224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.607224][ T10] [ 3332.609214][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3332.609214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3332.609214][ T10] ipv6_find_idev+0x102/0x170 [ 3332.609214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.609214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.609214][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.609214][ T10] netlink_unicast+0x449/0x710 [ 3332.609214][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.609214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.609214][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.609214][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.609214][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.609214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.609214][ T10] [ 3332.610705][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3332.610705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3332.610705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3332.610705][ T10] ipv6_find_idev+0x102/0x170 [ 3332.610705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.610705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.610705][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.610705][ T10] netlink_unicast+0x449/0x710 [ 3332.610705][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.610705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.610705][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.610705][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.610705][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.610705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.610705][ T10] [ 3332.612369][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3332.612635][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3332.612635][ T10] netdev_get_by_index+0x5e/0x80 [ 3332.612635][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3332.612635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3332.612635][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3332.612635][ T10] ipv6_add_addr+0x411/0x2000 [ 3332.612635][ T10] inet6_addr_add+0x30e/0xa40 [ 3332.612635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.612635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.612635][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.612635][ T10] netlink_unicast+0x449/0x710 [ 3332.612635][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.612635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.612635][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.612635][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.612635][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.612635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.612635][ T10] [ 3332.614641][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3332.614641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3332.614641][ T10] ipv6_find_idev+0x102/0x170 [ 3332.614641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.614641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.614641][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.614641][ T10] netlink_unicast+0x449/0x710 [ 3332.614641][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.614641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.614641][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.614641][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.614641][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.614641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.614641][ T10] [ 3332.616317][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3332.616317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3332.616317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3332.616317][ T10] ipv6_find_idev+0x102/0x170 [ 3332.616317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.616317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.616317][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.616317][ T10] netlink_unicast+0x449/0x710 [ 3332.616317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.616317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.616317][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.616317][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.616317][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.616317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.616317][ T10] [ 3332.618248][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3332.618513][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3332.618513][ T10] netdev_get_by_index+0x5e/0x80 [ 3332.618513][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3332.618513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3332.618513][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3332.618513][ T10] ipv6_add_addr+0x411/0x2000 [ 3332.618513][ T10] inet6_addr_add+0x30e/0xa40 [ 3332.618513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.618513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.618513][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.618513][ T10] netlink_unicast+0x449/0x710 [ 3332.618513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.618513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.618513][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.618513][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.618513][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.618513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.618513][ T10] [ 3332.620663][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3332.620663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3332.620663][ T10] ipv6_find_idev+0x102/0x170 [ 3332.620663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.620663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.620663][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.620663][ T10] netlink_unicast+0x449/0x710 [ 3332.620663][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.620663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.620663][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.620663][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.620663][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.620663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.620663][ T10] [ 3332.622450][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3332.622450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3332.622450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3332.622450][ T10] ipv6_find_idev+0x102/0x170 [ 3332.622450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.622450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.622450][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.622450][ T10] netlink_unicast+0x449/0x710 [ 3332.622450][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.622450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.622450][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.622450][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.622450][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.622450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.622450][ T10] [ 3332.624373][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3332.624643][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3332.624643][ T10] netdev_get_by_index+0x5e/0x80 [ 3332.624643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3332.624643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3332.624643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3332.624643][ T10] ipv6_add_addr+0x411/0x2000 [ 3332.624643][ T10] inet6_addr_add+0x30e/0xa40 [ 3332.624643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3332.624643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.624643][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.624643][ T10] netlink_unicast+0x449/0x710 [ 3332.624643][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.624643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.624643][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.624643][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.624643][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.624643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.624643][ T10] [ 3332.626784][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3332.626784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3332.626784][ T10] ipv6_find_idev+0x102/0x170 [ 3332.626784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.626784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.626784][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.626784][ T10] netlink_unicast+0x449/0x710 [ 3332.626784][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.626784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.626784][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.626784][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.626784][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.626784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.626784][ T10] [ 3332.628477][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3332.628477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3332.628477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3332.628477][ T10] ipv6_find_idev+0x102/0x170 [ 3332.628477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3332.628477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3332.628477][ T10] netlink_rcv_skb+0x130/0x360 [ 3332.628477][ T10] netlink_unicast+0x449/0x710 [ 3332.628477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3332.628477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3332.628477][ T10] ___sys_sendmsg+0xee/0x170 [ 3332.628477][ T10] __sys_sendmsg+0xcd/0x170 [ 3332.628477][ T10] do_syscall_64+0xc6/0x1e0 [ 3332.628477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3332.628477][ T10] [ 3342.880292][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3342.881024][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3342.881024][ T10] netdev_get_by_index+0x5e/0x80 [ 3342.881024][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3342.881024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3342.881024][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3342.881024][ T10] ipv6_add_addr+0x411/0x2000 [ 3342.881024][ T10] inet6_addr_add+0x30e/0xa40 [ 3342.881024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3342.881024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.881024][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.881024][ T10] netlink_unicast+0x449/0x710 [ 3342.881024][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.881024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.881024][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.881024][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.881024][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.881024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.881024][ T10] [ 3342.883023][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3342.883023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3342.883023][ T10] ipv6_find_idev+0x102/0x170 [ 3342.883023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.883023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.883023][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.883023][ T10] netlink_unicast+0x449/0x710 [ 3342.883023][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.883023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.883023][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.883023][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.883023][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.883023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.883023][ T10] [ 3342.884508][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3342.884508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3342.884508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3342.884508][ T10] ipv6_find_idev+0x102/0x170 [ 3342.884508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.884508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.884508][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.884508][ T10] netlink_unicast+0x449/0x710 [ 3342.884508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.884508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.884508][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.884508][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.884508][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.884508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.884508][ T10] [ 3342.886211][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3342.886481][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3342.886481][ T10] netdev_get_by_index+0x5e/0x80 [ 3342.886481][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3342.886481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3342.886481][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3342.886481][ T10] ipv6_add_addr+0x411/0x2000 [ 3342.886481][ T10] inet6_addr_add+0x30e/0xa40 [ 3342.886481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3342.886481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.886481][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.886481][ T10] netlink_unicast+0x449/0x710 [ 3342.886481][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.886481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.886481][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.886481][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.886481][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.886481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.886481][ T10] [ 3342.888486][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3342.888486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3342.888486][ T10] ipv6_find_idev+0x102/0x170 [ 3342.888486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.888486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.888486][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.888486][ T10] netlink_unicast+0x449/0x710 [ 3342.888486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.888486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.888486][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.888486][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.888486][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.888486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.888486][ T10] [ 3342.890011][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3342.890011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3342.890011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3342.890011][ T10] ipv6_find_idev+0x102/0x170 [ 3342.890011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.890011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.890011][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.890011][ T10] netlink_unicast+0x449/0x710 [ 3342.890011][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.890011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.890011][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.890011][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.890011][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.890011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.890011][ T10] [ 3342.891638][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3342.891916][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3342.891916][ T10] netdev_get_by_index+0x5e/0x80 [ 3342.891916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3342.891916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3342.891916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3342.891916][ T10] ipv6_add_addr+0x411/0x2000 [ 3342.891916][ T10] inet6_addr_add+0x30e/0xa40 [ 3342.891916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3342.891916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.891916][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.891916][ T10] netlink_unicast+0x449/0x710 [ 3342.891916][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.891916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.891916][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.891916][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.891916][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.891916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.891916][ T10] [ 3342.893942][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3342.893942][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3342.893942][ T10] ipv6_find_idev+0x102/0x170 [ 3342.893942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.893942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.893942][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.893942][ T10] netlink_unicast+0x449/0x710 [ 3342.893942][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.893942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.893942][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.893942][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.893942][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.893942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.893942][ T10] [ 3342.895462][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3342.895462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3342.895462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3342.895462][ T10] ipv6_find_idev+0x102/0x170 [ 3342.895462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.895462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.895462][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.895462][ T10] netlink_unicast+0x449/0x710 [ 3342.895462][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.895462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.895462][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.895462][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.895462][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.895462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.895462][ T10] [ 3342.897128][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3342.897407][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3342.897407][ T10] netdev_get_by_index+0x5e/0x80 [ 3342.897407][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3342.897407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3342.897407][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3342.897407][ T10] ipv6_add_addr+0x411/0x2000 [ 3342.897407][ T10] inet6_addr_add+0x30e/0xa40 [ 3342.897407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3342.897407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.897407][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.897407][ T10] netlink_unicast+0x449/0x710 [ 3342.897407][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.897407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.897407][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.897407][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.897407][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.897407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.897407][ T10] [ 3342.899383][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3342.899383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3342.899383][ T10] ipv6_find_idev+0x102/0x170 [ 3342.899383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.899383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.899383][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.899383][ T10] netlink_unicast+0x449/0x710 [ 3342.899383][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.899383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.899383][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.899383][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.899383][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.899383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.899383][ T10] [ 3342.900902][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3342.900902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3342.900902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3342.900902][ T10] ipv6_find_idev+0x102/0x170 [ 3342.900902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.900902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.900902][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.900902][ T10] netlink_unicast+0x449/0x710 [ 3342.900902][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.900902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.900902][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.900902][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.900902][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.900902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.900902][ T10] [ 3342.902976][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3342.903593][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3342.903593][ T10] netdev_get_by_index+0x5e/0x80 [ 3342.903593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3342.903593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3342.903593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3342.903593][ T10] ipv6_add_addr+0x411/0x2000 [ 3342.903593][ T10] inet6_addr_add+0x30e/0xa40 [ 3342.903593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3342.903593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.903593][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.903593][ T10] netlink_unicast+0x449/0x710 [ 3342.903593][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.903593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.903593][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.903593][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.903593][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.903593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.903593][ T10] [ 3342.905575][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3342.905575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3342.905575][ T10] ipv6_find_idev+0x102/0x170 [ 3342.905575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.905575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.905575][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.905575][ T10] netlink_unicast+0x449/0x710 [ 3342.905575][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.905575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.905575][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.905575][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.905575][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.905575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.905575][ T10] [ 3342.907080][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3342.907080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3342.907080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3342.907080][ T10] ipv6_find_idev+0x102/0x170 [ 3342.907080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.907080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.907080][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.907080][ T10] netlink_unicast+0x449/0x710 [ 3342.907080][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.907080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.907080][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.907080][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.907080][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.907080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.907080][ T10] [ 3342.908760][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3342.909019][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3342.909019][ T10] netdev_get_by_index+0x5e/0x80 [ 3342.909019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3342.909019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3342.909019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3342.909019][ T10] ipv6_add_addr+0x411/0x2000 [ 3342.909019][ T10] inet6_addr_add+0x30e/0xa40 [ 3342.909019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3342.909019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.909019][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.909019][ T10] netlink_unicast+0x449/0x710 [ 3342.909019][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.909019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.909019][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.909019][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.909019][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.909019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.909019][ T10] [ 3342.910984][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3342.910984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3342.910984][ T10] ipv6_find_idev+0x102/0x170 [ 3342.910984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.910984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.910984][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.910984][ T10] netlink_unicast+0x449/0x710 [ 3342.910984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.910984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.910984][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.910984][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.910984][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.910984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.910984][ T10] [ 3342.912570][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3342.912570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3342.912570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3342.912570][ T10] ipv6_find_idev+0x102/0x170 [ 3342.912570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.912570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.912570][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.912570][ T10] netlink_unicast+0x449/0x710 [ 3342.912570][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.912570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.912570][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.912570][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.912570][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.912570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.912570][ T10] [ 3342.914474][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3342.914733][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3342.914733][ T10] netdev_get_by_index+0x5e/0x80 [ 3342.914733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3342.914733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3342.914733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3342.914733][ T10] ipv6_add_addr+0x411/0x2000 [ 3342.914733][ T10] inet6_addr_add+0x30e/0xa40 [ 3342.914733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3342.914733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.914733][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.914733][ T10] netlink_unicast+0x449/0x710 [ 3342.914733][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.914733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.914733][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.914733][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.914733][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.914733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.914733][ T10] [ 3342.916888][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3342.916888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3342.916888][ T10] ipv6_find_idev+0x102/0x170 [ 3342.916888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.916888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.916888][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.916888][ T10] netlink_unicast+0x449/0x710 [ 3342.916888][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.916888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.916888][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.916888][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.916888][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.916888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.916888][ T10] [ 3342.918598][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3342.918598][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3342.918598][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3342.918598][ T10] ipv6_find_idev+0x102/0x170 [ 3342.918598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.918598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.918598][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.918598][ T10] netlink_unicast+0x449/0x710 [ 3342.918598][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.918598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.918598][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.918598][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.918598][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.918598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.918598][ T10] [ 3342.920578][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3342.920850][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3342.920850][ T10] netdev_get_by_index+0x5e/0x80 [ 3342.920850][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3342.920850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3342.920850][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3342.920850][ T10] ipv6_add_addr+0x411/0x2000 [ 3342.920850][ T10] inet6_addr_add+0x30e/0xa40 [ 3342.920850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3342.920850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.920850][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.920850][ T10] netlink_unicast+0x449/0x710 [ 3342.920850][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.920850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.920850][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.920850][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.920850][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.920850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.920850][ T10] [ 3342.922974][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3342.922974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3342.922974][ T10] ipv6_find_idev+0x102/0x170 [ 3342.922974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.922974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.922974][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.922974][ T10] netlink_unicast+0x449/0x710 [ 3342.922974][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.922974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.922974][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.922974][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.922974][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.922974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.922974][ T10] [ 3342.924702][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3342.924702][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3342.924702][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3342.924702][ T10] ipv6_find_idev+0x102/0x170 [ 3342.924702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3342.924702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3342.924702][ T10] netlink_rcv_skb+0x130/0x360 [ 3342.924702][ T10] netlink_unicast+0x449/0x710 [ 3342.924702][ T10] netlink_sendmsg+0x723/0xbe0 [ 3342.924702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3342.924702][ T10] ___sys_sendmsg+0xee/0x170 [ 3342.924702][ T10] __sys_sendmsg+0xcd/0x170 [ 3342.924702][ T10] do_syscall_64+0xc6/0x1e0 [ 3342.924702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3342.924702][ T10] [ 3353.176284][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3353.176992][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3353.176992][ T10] netdev_get_by_index+0x5e/0x80 [ 3353.176992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3353.176992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3353.176992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3353.176992][ T10] ipv6_add_addr+0x411/0x2000 [ 3353.176992][ T10] inet6_addr_add+0x30e/0xa40 [ 3353.176992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.176992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.176992][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.176992][ T10] netlink_unicast+0x449/0x710 [ 3353.176992][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.176992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.176992][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.176992][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.176992][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.176992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.176992][ T10] [ 3353.178927][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3353.178927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3353.178927][ T10] ipv6_find_idev+0x102/0x170 [ 3353.178927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.178927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.178927][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.178927][ T10] netlink_unicast+0x449/0x710 [ 3353.178927][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.178927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.178927][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.178927][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.178927][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.178927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.178927][ T10] [ 3353.180464][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3353.180464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3353.180464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3353.180464][ T10] ipv6_find_idev+0x102/0x170 [ 3353.180464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.180464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.180464][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.180464][ T10] netlink_unicast+0x449/0x710 [ 3353.180464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.180464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.180464][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.180464][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.180464][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.180464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.180464][ T10] [ 3353.182123][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3353.182402][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3353.182402][ T10] netdev_get_by_index+0x5e/0x80 [ 3353.182402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3353.182402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3353.182402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3353.182402][ T10] ipv6_add_addr+0x411/0x2000 [ 3353.182402][ T10] inet6_addr_add+0x30e/0xa40 [ 3353.182402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.182402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.182402][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.182402][ T10] netlink_unicast+0x449/0x710 [ 3353.182402][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.182402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.182402][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.182402][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.182402][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.182402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.182402][ T10] [ 3353.184360][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3353.184360][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3353.184360][ T10] ipv6_find_idev+0x102/0x170 [ 3353.184360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.184360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.184360][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.184360][ T10] netlink_unicast+0x449/0x710 [ 3353.184360][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.184360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.184360][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.184360][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.184360][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.184360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.184360][ T10] [ 3353.185868][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3353.185868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3353.185868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3353.185868][ T10] ipv6_find_idev+0x102/0x170 [ 3353.185868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.185868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.185868][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.185868][ T10] netlink_unicast+0x449/0x710 [ 3353.185868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.185868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.185868][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.185868][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.185868][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.185868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.185868][ T10] [ 3353.187483][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3353.187775][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3353.187775][ T10] netdev_get_by_index+0x5e/0x80 [ 3353.187775][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3353.187775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3353.187775][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3353.187775][ T10] ipv6_add_addr+0x411/0x2000 [ 3353.187775][ T10] inet6_addr_add+0x30e/0xa40 [ 3353.187775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.187775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.187775][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.187775][ T10] netlink_unicast+0x449/0x710 [ 3353.187775][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.187775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.187775][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.187775][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.187775][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.187775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.187775][ T10] [ 3353.189770][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3353.189770][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3353.189770][ T10] ipv6_find_idev+0x102/0x170 [ 3353.189770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.189770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.189770][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.189770][ T10] netlink_unicast+0x449/0x710 [ 3353.189770][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.189770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.189770][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.189770][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.189770][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.189770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.189770][ T10] [ 3353.191272][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3353.191272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3353.191272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3353.191272][ T10] ipv6_find_idev+0x102/0x170 [ 3353.191272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.191272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.191272][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.191272][ T10] netlink_unicast+0x449/0x710 [ 3353.191272][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.191272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.191272][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.191272][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.191272][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.191272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.191272][ T10] [ 3353.192948][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3353.193222][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3353.193222][ T10] netdev_get_by_index+0x5e/0x80 [ 3353.193222][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3353.193222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3353.193222][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3353.193222][ T10] ipv6_add_addr+0x411/0x2000 [ 3353.193222][ T10] inet6_addr_add+0x30e/0xa40 [ 3353.193222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.193222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.193222][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.193222][ T10] netlink_unicast+0x449/0x710 [ 3353.193222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.193222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.193222][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.193222][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.193222][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.193222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.193222][ T10] [ 3353.195189][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3353.195189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3353.195189][ T10] ipv6_find_idev+0x102/0x170 [ 3353.195189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.195189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.195189][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.195189][ T10] netlink_unicast+0x449/0x710 [ 3353.195189][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.195189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.195189][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.195189][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.195189][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.195189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.195189][ T10] [ 3353.196703][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3353.196703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3353.196703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3353.196703][ T10] ipv6_find_idev+0x102/0x170 [ 3353.196703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.196703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.196703][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.196703][ T10] netlink_unicast+0x449/0x710 [ 3353.196703][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.196703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.196703][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.196703][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.196703][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.196703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.196703][ T10] [ 3353.198382][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3353.198643][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3353.198643][ T10] netdev_get_by_index+0x5e/0x80 [ 3353.198643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3353.198643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3353.198643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3353.198643][ T10] ipv6_add_addr+0x411/0x2000 [ 3353.198643][ T10] inet6_addr_add+0x30e/0xa40 [ 3353.198643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.198643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.198643][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.198643][ T10] netlink_unicast+0x449/0x710 [ 3353.198643][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.198643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.198643][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.198643][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.198643][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.198643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.198643][ T10] [ 3353.200622][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3353.200622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3353.200622][ T10] ipv6_find_idev+0x102/0x170 [ 3353.200622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.200622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.200622][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.200622][ T10] netlink_unicast+0x449/0x710 [ 3353.200622][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.200622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.200622][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.200622][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.200622][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.200622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.200622][ T10] [ 3353.202274][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3353.202274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3353.202274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3353.202274][ T10] ipv6_find_idev+0x102/0x170 [ 3353.202274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.202274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.202274][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.202274][ T10] netlink_unicast+0x449/0x710 [ 3353.202274][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.202274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.202274][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.202274][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.202274][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.202274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.202274][ T10] [ 3353.204190][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3353.204447][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3353.204447][ T10] netdev_get_by_index+0x5e/0x80 [ 3353.204447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3353.204447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3353.204447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3353.204447][ T10] ipv6_add_addr+0x411/0x2000 [ 3353.204447][ T10] inet6_addr_add+0x30e/0xa40 [ 3353.204447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.204447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.204447][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.204447][ T10] netlink_unicast+0x449/0x710 [ 3353.204447][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.204447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.204447][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.204447][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.204447][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.204447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.204447][ T10] [ 3353.206728][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3353.206728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3353.206728][ T10] ipv6_find_idev+0x102/0x170 [ 3353.206728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.206728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.206728][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.206728][ T10] netlink_unicast+0x449/0x710 [ 3353.206728][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.206728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.206728][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.206728][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.206728][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.206728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.206728][ T10] [ 3353.208435][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3353.208435][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3353.208435][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3353.208435][ T10] ipv6_find_idev+0x102/0x170 [ 3353.208435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.208435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.208435][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.208435][ T10] netlink_unicast+0x449/0x710 [ 3353.208435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.208435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.208435][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.208435][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.208435][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.208435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.208435][ T10] [ 3353.210326][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3353.210587][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3353.210587][ T10] netdev_get_by_index+0x5e/0x80 [ 3353.210587][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3353.210587][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3353.210587][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3353.210587][ T10] ipv6_add_addr+0x411/0x2000 [ 3353.210587][ T10] inet6_addr_add+0x30e/0xa40 [ 3353.210587][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.210587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.210587][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.210587][ T10] netlink_unicast+0x449/0x710 [ 3353.210587][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.210587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.210587][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.210587][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.210587][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.210587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.210587][ T10] [ 3353.212674][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3353.212674][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3353.212674][ T10] ipv6_find_idev+0x102/0x170 [ 3353.212674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.212674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.212674][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.212674][ T10] netlink_unicast+0x449/0x710 [ 3353.212674][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.212674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.212674][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.212674][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.212674][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.212674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.212674][ T10] [ 3353.214353][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3353.214353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3353.214353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3353.214353][ T10] ipv6_find_idev+0x102/0x170 [ 3353.214353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.214353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.214353][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.214353][ T10] netlink_unicast+0x449/0x710 [ 3353.214353][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.214353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.214353][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.214353][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.214353][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.214353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.214353][ T10] [ 3353.216318][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3353.216585][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3353.216585][ T10] netdev_get_by_index+0x5e/0x80 [ 3353.216585][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3353.216585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3353.216585][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3353.216585][ T10] ipv6_add_addr+0x411/0x2000 [ 3353.216585][ T10] inet6_addr_add+0x30e/0xa40 [ 3353.216585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3353.216585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.216585][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.216585][ T10] netlink_unicast+0x449/0x710 [ 3353.216585][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.216585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.216585][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.216585][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.216585][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.216585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.216585][ T10] [ 3353.218752][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3353.218752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3353.218752][ T10] ipv6_find_idev+0x102/0x170 [ 3353.218752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.218752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.218752][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.218752][ T10] netlink_unicast+0x449/0x710 [ 3353.218752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.218752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.218752][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.218752][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.218752][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.218752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.218752][ T10] [ 3353.220468][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3353.220468][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3353.220468][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3353.220468][ T10] ipv6_find_idev+0x102/0x170 [ 3353.220468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3353.220468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3353.220468][ T10] netlink_rcv_skb+0x130/0x360 [ 3353.220468][ T10] netlink_unicast+0x449/0x710 [ 3353.220468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3353.220468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3353.220468][ T10] ___sys_sendmsg+0xee/0x170 [ 3353.220468][ T10] __sys_sendmsg+0xcd/0x170 [ 3353.220468][ T10] do_syscall_64+0xc6/0x1e0 [ 3353.220468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3353.220468][ T10] [ 3363.472373][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3363.472950][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3363.472950][ T10] netdev_get_by_index+0x5e/0x80 [ 3363.472950][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3363.472950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3363.472950][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3363.472950][ T10] ipv6_add_addr+0x411/0x2000 [ 3363.472950][ T10] inet6_addr_add+0x30e/0xa40 [ 3363.472950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.472950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.472950][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.472950][ T10] netlink_unicast+0x449/0x710 [ 3363.472950][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.472950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.472950][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.472950][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.472950][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.472950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.472950][ T10] [ 3363.474899][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3363.474899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3363.474899][ T10] ipv6_find_idev+0x102/0x170 [ 3363.474899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.474899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.474899][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.474899][ T10] netlink_unicast+0x449/0x710 [ 3363.474899][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.474899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.474899][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.474899][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.474899][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.474899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.474899][ T10] [ 3363.476412][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3363.476412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3363.476412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3363.476412][ T10] ipv6_find_idev+0x102/0x170 [ 3363.476412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.476412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.476412][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.476412][ T10] netlink_unicast+0x449/0x710 [ 3363.476412][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.476412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.476412][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.476412][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.476412][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.476412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.476412][ T10] [ 3363.478015][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3363.478317][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3363.478317][ T10] netdev_get_by_index+0x5e/0x80 [ 3363.478317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3363.478317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3363.478317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3363.478317][ T10] ipv6_add_addr+0x411/0x2000 [ 3363.478317][ T10] inet6_addr_add+0x30e/0xa40 [ 3363.478317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.478317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.478317][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.478317][ T10] netlink_unicast+0x449/0x710 [ 3363.478317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.478317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.478317][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.478317][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.478317][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.478317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.478317][ T10] [ 3363.480342][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3363.480342][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3363.480342][ T10] ipv6_find_idev+0x102/0x170 [ 3363.480342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.480342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.480342][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.480342][ T10] netlink_unicast+0x449/0x710 [ 3363.480342][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.480342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.480342][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.480342][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.480342][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.480342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.480342][ T10] [ 3363.481835][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3363.481835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3363.481835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3363.481835][ T10] ipv6_find_idev+0x102/0x170 [ 3363.481835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.481835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.481835][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.481835][ T10] netlink_unicast+0x449/0x710 [ 3363.481835][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.481835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.481835][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.481835][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.481835][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.481835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.481835][ T10] [ 3363.483502][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3363.483768][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3363.483768][ T10] netdev_get_by_index+0x5e/0x80 [ 3363.483768][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3363.483768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3363.483768][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3363.483768][ T10] ipv6_add_addr+0x411/0x2000 [ 3363.483768][ T10] inet6_addr_add+0x30e/0xa40 [ 3363.483768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.483768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.483768][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.483768][ T10] netlink_unicast+0x449/0x710 [ 3363.483768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.483768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.483768][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.483768][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.483768][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.483768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.483768][ T10] [ 3363.485779][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3363.485779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3363.485779][ T10] ipv6_find_idev+0x102/0x170 [ 3363.485779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.485779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.485779][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.485779][ T10] netlink_unicast+0x449/0x710 [ 3363.485779][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.485779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.485779][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.485779][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.485779][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.485779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.485779][ T10] [ 3363.487319][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3363.487319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3363.487319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3363.487319][ T10] ipv6_find_idev+0x102/0x170 [ 3363.487319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.487319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.487319][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.487319][ T10] netlink_unicast+0x449/0x710 [ 3363.487319][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.487319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.487319][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.487319][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.487319][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.487319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.487319][ T10] [ 3363.489026][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3363.489737][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3363.489737][ T10] netdev_get_by_index+0x5e/0x80 [ 3363.489737][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3363.489737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3363.489737][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3363.489737][ T10] ipv6_add_addr+0x411/0x2000 [ 3363.489737][ T10] inet6_addr_add+0x30e/0xa40 [ 3363.489737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.489737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.489737][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.489737][ T10] netlink_unicast+0x449/0x710 [ 3363.489737][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.489737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.489737][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.489737][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.489737][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.489737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.489737][ T10] [ 3363.491717][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3363.491717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3363.491717][ T10] ipv6_find_idev+0x102/0x170 [ 3363.491717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.491717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.491717][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.491717][ T10] netlink_unicast+0x449/0x710 [ 3363.491717][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.491717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.491717][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.491717][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.491717][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.491717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.491717][ T10] [ 3363.493237][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3363.493237][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3363.493237][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3363.493237][ T10] ipv6_find_idev+0x102/0x170 [ 3363.493237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.493237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.493237][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.493237][ T10] netlink_unicast+0x449/0x710 [ 3363.493237][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.493237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.493237][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.493237][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.493237][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.493237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.493237][ T10] [ 3363.494937][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3363.495252][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3363.495252][ T10] netdev_get_by_index+0x5e/0x80 [ 3363.495252][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3363.495252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3363.495252][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3363.495252][ T10] ipv6_add_addr+0x411/0x2000 [ 3363.495252][ T10] inet6_addr_add+0x30e/0xa40 [ 3363.495252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.495252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.495252][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.495252][ T10] netlink_unicast+0x449/0x710 [ 3363.495252][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.495252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.495252][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.495252][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.495252][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.495252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.495252][ T10] [ 3363.497222][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3363.497222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3363.497222][ T10] ipv6_find_idev+0x102/0x170 [ 3363.497222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.497222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.497222][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.497222][ T10] netlink_unicast+0x449/0x710 [ 3363.497222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.497222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.497222][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.497222][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.497222][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.497222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.497222][ T10] [ 3363.498743][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3363.498743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3363.498743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3363.498743][ T10] ipv6_find_idev+0x102/0x170 [ 3363.498743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.498743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.498743][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.498743][ T10] netlink_unicast+0x449/0x710 [ 3363.498743][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.498743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.498743][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.498743][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.498743][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.498743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.498743][ T10] [ 3363.500469][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3363.500786][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3363.500786][ T10] netdev_get_by_index+0x5e/0x80 [ 3363.500786][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3363.500786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3363.500786][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3363.500786][ T10] ipv6_add_addr+0x411/0x2000 [ 3363.500786][ T10] inet6_addr_add+0x30e/0xa40 [ 3363.500786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.500786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.500786][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.500786][ T10] netlink_unicast+0x449/0x710 [ 3363.500786][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.500786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.500786][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.500786][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.500786][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.500786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.500786][ T10] [ 3363.502851][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3363.502851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3363.502851][ T10] ipv6_find_idev+0x102/0x170 [ 3363.502851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.502851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.502851][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.502851][ T10] netlink_unicast+0x449/0x710 [ 3363.502851][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.502851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.502851][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.502851][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.502851][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.502851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.502851][ T10] [ 3363.504466][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3363.504466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3363.504466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3363.504466][ T10] ipv6_find_idev+0x102/0x170 [ 3363.504466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.504466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.504466][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.504466][ T10] netlink_unicast+0x449/0x710 [ 3363.504466][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.504466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.504466][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.504466][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.504466][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.504466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.504466][ T10] [ 3363.506378][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3363.506685][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3363.506685][ T10] netdev_get_by_index+0x5e/0x80 [ 3363.506685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3363.506685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3363.506685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3363.506685][ T10] ipv6_add_addr+0x411/0x2000 [ 3363.506685][ T10] inet6_addr_add+0x30e/0xa40 [ 3363.506685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.506685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.506685][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.506685][ T10] netlink_unicast+0x449/0x710 [ 3363.506685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.506685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.506685][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.506685][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.506685][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.506685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.506685][ T10] [ 3363.508768][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3363.508768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3363.508768][ T10] ipv6_find_idev+0x102/0x170 [ 3363.508768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.508768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.508768][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.508768][ T10] netlink_unicast+0x449/0x710 [ 3363.508768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.508768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.508768][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.508768][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.508768][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.508768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.508768][ T10] [ 3363.510539][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3363.510539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3363.510539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3363.510539][ T10] ipv6_find_idev+0x102/0x170 [ 3363.510539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.510539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.510539][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.510539][ T10] netlink_unicast+0x449/0x710 [ 3363.510539][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.510539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.510539][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.510539][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.510539][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.510539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.510539][ T10] [ 3363.512419][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3363.512749][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3363.512749][ T10] netdev_get_by_index+0x5e/0x80 [ 3363.512749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3363.512749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3363.512749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3363.512749][ T10] ipv6_add_addr+0x411/0x2000 [ 3363.512749][ T10] inet6_addr_add+0x30e/0xa40 [ 3363.512749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3363.512749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.512749][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.512749][ T10] netlink_unicast+0x449/0x710 [ 3363.512749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.512749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.512749][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.512749][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.512749][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.512749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.512749][ T10] [ 3363.514955][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3363.514955][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3363.514955][ T10] ipv6_find_idev+0x102/0x170 [ 3363.514955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.514955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.514955][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.514955][ T10] netlink_unicast+0x449/0x710 [ 3363.514955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.514955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.514955][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.514955][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.514955][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.514955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.514955][ T10] [ 3363.516729][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3363.516729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3363.516729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3363.516729][ T10] ipv6_find_idev+0x102/0x170 [ 3363.516729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3363.516729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3363.516729][ T10] netlink_rcv_skb+0x130/0x360 [ 3363.516729][ T10] netlink_unicast+0x449/0x710 [ 3363.516729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3363.516729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3363.516729][ T10] ___sys_sendmsg+0xee/0x170 [ 3363.516729][ T10] __sys_sendmsg+0xcd/0x170 [ 3363.516729][ T10] do_syscall_64+0xc6/0x1e0 [ 3363.516729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3363.516729][ T10] [ 3373.768300][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3373.768897][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3373.768897][ T10] netdev_get_by_index+0x5e/0x80 [ 3373.768897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3373.768897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3373.768897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3373.768897][ T10] ipv6_add_addr+0x411/0x2000 [ 3373.768897][ T10] inet6_addr_add+0x30e/0xa40 [ 3373.768897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.768897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.768897][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.768897][ T10] netlink_unicast+0x449/0x710 [ 3373.768897][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.768897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.768897][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.768897][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.768897][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.768897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.768897][ T10] [ 3373.770882][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3373.770882][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3373.770882][ T10] ipv6_find_idev+0x102/0x170 [ 3373.770882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.770882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.770882][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.770882][ T10] netlink_unicast+0x449/0x710 [ 3373.770882][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.770882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.770882][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.770882][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.770882][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.770882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.770882][ T10] [ 3373.772377][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3373.772377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3373.772377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3373.772377][ T10] ipv6_find_idev+0x102/0x170 [ 3373.772377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.772377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.772377][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.772377][ T10] netlink_unicast+0x449/0x710 [ 3373.772377][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.772377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.772377][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.772377][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.772377][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.772377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.772377][ T10] [ 3373.774050][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3373.774345][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3373.774345][ T10] netdev_get_by_index+0x5e/0x80 [ 3373.774345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3373.774345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3373.774345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3373.774345][ T10] ipv6_add_addr+0x411/0x2000 [ 3373.774345][ T10] inet6_addr_add+0x30e/0xa40 [ 3373.774345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.774345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.774345][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.774345][ T10] netlink_unicast+0x449/0x710 [ 3373.774345][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.774345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.774345][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.774345][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.774345][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.774345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.774345][ T10] [ 3373.776280][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3373.776280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3373.776280][ T10] ipv6_find_idev+0x102/0x170 [ 3373.776280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.776280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.776280][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.776280][ T10] netlink_unicast+0x449/0x710 [ 3373.776280][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.776280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.776280][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.776280][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.776280][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.776280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.776280][ T10] [ 3373.777761][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3373.777761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3373.777761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3373.777761][ T10] ipv6_find_idev+0x102/0x170 [ 3373.777761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.777761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.777761][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.777761][ T10] netlink_unicast+0x449/0x710 [ 3373.777761][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.777761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.777761][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.777761][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.777761][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.777761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.777761][ T10] [ 3373.779455][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3373.779723][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3373.779723][ T10] netdev_get_by_index+0x5e/0x80 [ 3373.779723][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3373.779723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3373.779723][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3373.779723][ T10] ipv6_add_addr+0x411/0x2000 [ 3373.779723][ T10] inet6_addr_add+0x30e/0xa40 [ 3373.779723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.779723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.779723][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.779723][ T10] netlink_unicast+0x449/0x710 [ 3373.779723][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.779723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.779723][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.779723][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.779723][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.779723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.779723][ T10] [ 3373.781690][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3373.781690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3373.781690][ T10] ipv6_find_idev+0x102/0x170 [ 3373.781690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.781690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.781690][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.781690][ T10] netlink_unicast+0x449/0x710 [ 3373.781690][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.781690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.781690][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.781690][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.781690][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.781690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.781690][ T10] [ 3373.783271][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3373.783271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3373.783271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3373.783271][ T10] ipv6_find_idev+0x102/0x170 [ 3373.783271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.783271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.783271][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.783271][ T10] netlink_unicast+0x449/0x710 [ 3373.783271][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.783271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.783271][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.783271][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.783271][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.783271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.783271][ T10] [ 3373.784960][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3373.785687][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3373.785687][ T10] netdev_get_by_index+0x5e/0x80 [ 3373.785687][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3373.785687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3373.785687][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3373.785687][ T10] ipv6_add_addr+0x411/0x2000 [ 3373.785687][ T10] inet6_addr_add+0x30e/0xa40 [ 3373.785687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.785687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.785687][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.785687][ T10] netlink_unicast+0x449/0x710 [ 3373.785687][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.785687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.785687][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.785687][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.785687][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.785687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.785687][ T10] [ 3373.787659][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3373.787659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3373.787659][ T10] ipv6_find_idev+0x102/0x170 [ 3373.787659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.787659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.787659][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.787659][ T10] netlink_unicast+0x449/0x710 [ 3373.787659][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.787659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.787659][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.787659][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.787659][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.787659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.787659][ T10] [ 3373.789188][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3373.789188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3373.789188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3373.789188][ T10] ipv6_find_idev+0x102/0x170 [ 3373.789188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.789188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.789188][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.789188][ T10] netlink_unicast+0x449/0x710 [ 3373.789188][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.789188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.789188][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.789188][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.789188][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.789188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.789188][ T10] [ 3373.790899][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3373.791208][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3373.791208][ T10] netdev_get_by_index+0x5e/0x80 [ 3373.791208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3373.791208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3373.791208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3373.791208][ T10] ipv6_add_addr+0x411/0x2000 [ 3373.791208][ T10] inet6_addr_add+0x30e/0xa40 [ 3373.791208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.791208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.791208][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.791208][ T10] netlink_unicast+0x449/0x710 [ 3373.791208][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.791208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.791208][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.791208][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.791208][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.791208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.791208][ T10] [ 3373.793175][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3373.793175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3373.793175][ T10] ipv6_find_idev+0x102/0x170 [ 3373.793175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.793175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.793175][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.793175][ T10] netlink_unicast+0x449/0x710 [ 3373.793175][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.793175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.793175][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.793175][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.793175][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.793175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.793175][ T10] [ 3373.794660][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3373.794660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3373.794660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3373.794660][ T10] ipv6_find_idev+0x102/0x170 [ 3373.794660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.794660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.794660][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.794660][ T10] netlink_unicast+0x449/0x710 [ 3373.794660][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.794660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.794660][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.794660][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.794660][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.794660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.794660][ T10] [ 3373.796329][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3373.796597][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3373.796597][ T10] netdev_get_by_index+0x5e/0x80 [ 3373.796597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3373.796597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3373.796597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3373.796597][ T10] ipv6_add_addr+0x411/0x2000 [ 3373.796597][ T10] inet6_addr_add+0x30e/0xa40 [ 3373.796597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.796597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.796597][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.796597][ T10] netlink_unicast+0x449/0x710 [ 3373.796597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.796597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.796597][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.796597][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.796597][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.796597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.796597][ T10] [ 3373.798634][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3373.798634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3373.798634][ T10] ipv6_find_idev+0x102/0x170 [ 3373.798634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.798634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.798634][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.798634][ T10] netlink_unicast+0x449/0x710 [ 3373.798634][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.798634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.798634][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.798634][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.798634][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.798634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.798634][ T10] [ 3373.800397][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3373.800397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3373.800397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3373.800397][ T10] ipv6_find_idev+0x102/0x170 [ 3373.800397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.800397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.800397][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.800397][ T10] netlink_unicast+0x449/0x710 [ 3373.800397][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.800397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.800397][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.800397][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.800397][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.800397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.800397][ T10] [ 3373.802340][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3373.802597][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3373.802597][ T10] netdev_get_by_index+0x5e/0x80 [ 3373.802597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3373.802597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3373.802597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3373.802597][ T10] ipv6_add_addr+0x411/0x2000 [ 3373.802597][ T10] inet6_addr_add+0x30e/0xa40 [ 3373.802597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.802597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.802597][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.802597][ T10] netlink_unicast+0x449/0x710 [ 3373.802597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.802597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.802597][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.802597][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.802597][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.802597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.802597][ T10] [ 3373.804719][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3373.804719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3373.804719][ T10] ipv6_find_idev+0x102/0x170 [ 3373.804719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.804719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.804719][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.804719][ T10] netlink_unicast+0x449/0x710 [ 3373.804719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.804719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.804719][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.804719][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.804719][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.804719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.804719][ T10] [ 3373.806420][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3373.806420][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3373.806420][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3373.806420][ T10] ipv6_find_idev+0x102/0x170 [ 3373.806420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.806420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.806420][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.806420][ T10] netlink_unicast+0x449/0x710 [ 3373.806420][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.806420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.806420][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.806420][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.806420][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.806420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.806420][ T10] [ 3373.808318][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3373.808634][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3373.808634][ T10] netdev_get_by_index+0x5e/0x80 [ 3373.808634][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3373.808634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3373.808634][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3373.808634][ T10] ipv6_add_addr+0x411/0x2000 [ 3373.808634][ T10] inet6_addr_add+0x30e/0xa40 [ 3373.808634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3373.808634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.808634][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.808634][ T10] netlink_unicast+0x449/0x710 [ 3373.808634][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.808634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.808634][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.808634][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.808634][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.808634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.808634][ T10] [ 3373.810833][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3373.810833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3373.810833][ T10] ipv6_find_idev+0x102/0x170 [ 3373.810833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.810833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.810833][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.810833][ T10] netlink_unicast+0x449/0x710 [ 3373.810833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.810833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.810833][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.810833][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.810833][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.810833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.810833][ T10] [ 3373.812534][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3373.812534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3373.812534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3373.812534][ T10] ipv6_find_idev+0x102/0x170 [ 3373.812534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3373.812534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3373.812534][ T10] netlink_rcv_skb+0x130/0x360 [ 3373.812534][ T10] netlink_unicast+0x449/0x710 [ 3373.812534][ T10] netlink_sendmsg+0x723/0xbe0 [ 3373.812534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3373.812534][ T10] ___sys_sendmsg+0xee/0x170 [ 3373.812534][ T10] __sys_sendmsg+0xcd/0x170 [ 3373.812534][ T10] do_syscall_64+0xc6/0x1e0 [ 3373.812534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3373.812534][ T10] [ 3384.024280][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3384.025044][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3384.025044][ T10] netdev_get_by_index+0x5e/0x80 [ 3384.025044][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3384.025044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3384.025044][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3384.025044][ T10] ipv6_add_addr+0x411/0x2000 [ 3384.025044][ T10] inet6_addr_add+0x30e/0xa40 [ 3384.025044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3384.025044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.025044][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.025044][ T10] netlink_unicast+0x449/0x710 [ 3384.025044][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.025044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.025044][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.025044][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.025044][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.025044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.025044][ T10] [ 3384.027044][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3384.027044][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3384.027044][ T10] ipv6_find_idev+0x102/0x170 [ 3384.027044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.027044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.027044][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.027044][ T10] netlink_unicast+0x449/0x710 [ 3384.027044][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.027044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.027044][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.027044][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.027044][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.027044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.027044][ T10] [ 3384.028551][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3384.028551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3384.028551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3384.028551][ T10] ipv6_find_idev+0x102/0x170 [ 3384.028551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.028551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.028551][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.028551][ T10] netlink_unicast+0x449/0x710 [ 3384.028551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.028551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.028551][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.028551][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.028551][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.028551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.028551][ T10] [ 3384.030227][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3384.030519][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3384.030519][ T10] netdev_get_by_index+0x5e/0x80 [ 3384.030519][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3384.030519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3384.030519][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3384.030519][ T10] ipv6_add_addr+0x411/0x2000 [ 3384.030519][ T10] inet6_addr_add+0x30e/0xa40 [ 3384.030519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3384.030519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.030519][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.030519][ T10] netlink_unicast+0x449/0x710 [ 3384.030519][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.030519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.030519][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.030519][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.030519][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.030519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.030519][ T10] [ 3384.032493][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3384.032493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3384.032493][ T10] ipv6_find_idev+0x102/0x170 [ 3384.032493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.032493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.032493][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.032493][ T10] netlink_unicast+0x449/0x710 [ 3384.032493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.032493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.032493][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.032493][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.032493][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.032493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.032493][ T10] [ 3384.034052][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3384.034052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3384.034052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3384.034052][ T10] ipv6_find_idev+0x102/0x170 [ 3384.034052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.034052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.034052][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.034052][ T10] netlink_unicast+0x449/0x710 [ 3384.034052][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.034052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.034052][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.034052][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.034052][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.034052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.034052][ T10] [ 3384.035801][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3384.036068][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3384.036068][ T10] netdev_get_by_index+0x5e/0x80 [ 3384.036068][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3384.036068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3384.036068][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3384.036068][ T10] ipv6_add_addr+0x411/0x2000 [ 3384.036068][ T10] inet6_addr_add+0x30e/0xa40 [ 3384.036068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3384.036068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.036068][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.036068][ T10] netlink_unicast+0x449/0x710 [ 3384.036068][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.036068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.036068][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.036068][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.036068][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.036068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.036068][ T10] [ 3384.038028][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3384.038028][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3384.038028][ T10] ipv6_find_idev+0x102/0x170 [ 3384.038028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.038028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.038028][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.038028][ T10] netlink_unicast+0x449/0x710 [ 3384.038028][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.038028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.038028][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.038028][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.038028][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.038028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.038028][ T10] [ 3384.039562][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3384.039562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3384.039562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3384.039562][ T10] ipv6_find_idev+0x102/0x170 [ 3384.039562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.039562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.039562][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.039562][ T10] netlink_unicast+0x449/0x710 [ 3384.039562][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.039562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.039562][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.039562][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.039562][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.039562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.039562][ T10] [ 3384.041292][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3384.041568][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3384.041568][ T10] netdev_get_by_index+0x5e/0x80 [ 3384.041568][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3384.041568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3384.041568][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3384.041568][ T10] ipv6_add_addr+0x411/0x2000 [ 3384.041568][ T10] inet6_addr_add+0x30e/0xa40 [ 3384.041568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3384.041568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.041568][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.041568][ T10] netlink_unicast+0x449/0x710 [ 3384.041568][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.041568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.041568][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.041568][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.041568][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.041568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.041568][ T10] [ 3384.043559][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3384.043559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3384.043559][ T10] ipv6_find_idev+0x102/0x170 [ 3384.043559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.043559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.043559][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.043559][ T10] netlink_unicast+0x449/0x710 [ 3384.043559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.043559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.043559][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.043559][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.043559][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.043559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.043559][ T10] [ 3384.045084][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3384.045084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3384.045084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3384.045084][ T10] ipv6_find_idev+0x102/0x170 [ 3384.045084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.045084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.045084][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.045084][ T10] netlink_unicast+0x449/0x710 [ 3384.045084][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.045084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.045084][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.045084][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.045084][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.045084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.045084][ T10] [ 3384.047146][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3384.047737][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3384.047737][ T10] netdev_get_by_index+0x5e/0x80 [ 3384.047737][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3384.047737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3384.047737][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3384.047737][ T10] ipv6_add_addr+0x411/0x2000 [ 3384.047737][ T10] inet6_addr_add+0x30e/0xa40 [ 3384.047737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3384.047737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.047737][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.047737][ T10] netlink_unicast+0x449/0x710 [ 3384.047737][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.047737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.047737][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.047737][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.047737][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.047737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.047737][ T10] [ 3384.049705][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3384.049705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3384.049705][ T10] ipv6_find_idev+0x102/0x170 [ 3384.049705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.049705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.049705][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.049705][ T10] netlink_unicast+0x449/0x710 [ 3384.049705][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.049705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.049705][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.049705][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.049705][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.049705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.049705][ T10] [ 3384.051203][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3384.051203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3384.051203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3384.051203][ T10] ipv6_find_idev+0x102/0x170 [ 3384.051203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.051203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.051203][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.051203][ T10] netlink_unicast+0x449/0x710 [ 3384.051203][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.051203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.051203][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.051203][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.051203][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.051203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.051203][ T10] [ 3384.052881][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3384.053207][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3384.053207][ T10] netdev_get_by_index+0x5e/0x80 [ 3384.053207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3384.053207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3384.053207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3384.053207][ T10] ipv6_add_addr+0x411/0x2000 [ 3384.053207][ T10] inet6_addr_add+0x30e/0xa40 [ 3384.053207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3384.053207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.053207][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.053207][ T10] netlink_unicast+0x449/0x710 [ 3384.053207][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.053207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.053207][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.053207][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.053207][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.053207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.053207][ T10] [ 3384.055182][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3384.055182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3384.055182][ T10] ipv6_find_idev+0x102/0x170 [ 3384.055182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.055182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.055182][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.055182][ T10] netlink_unicast+0x449/0x710 [ 3384.055182][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.055182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.055182][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.055182][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.055182][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.055182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.055182][ T10] [ 3384.056727][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3384.056727][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3384.056727][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3384.056727][ T10] ipv6_find_idev+0x102/0x170 [ 3384.056727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.056727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.056727][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.056727][ T10] netlink_unicast+0x449/0x710 [ 3384.056727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.056727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.056727][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.056727][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.056727][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.056727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.056727][ T10] [ 3384.058583][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3384.058895][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3384.058895][ T10] netdev_get_by_index+0x5e/0x80 [ 3384.058895][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3384.058895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3384.058895][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3384.058895][ T10] ipv6_add_addr+0x411/0x2000 [ 3384.058895][ T10] inet6_addr_add+0x30e/0xa40 [ 3384.058895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3384.058895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.058895][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.058895][ T10] netlink_unicast+0x449/0x710 [ 3384.058895][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.058895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.058895][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.058895][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.058895][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.058895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.058895][ T10] [ 3384.061093][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3384.061093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3384.061093][ T10] ipv6_find_idev+0x102/0x170 [ 3384.061093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.061093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.061093][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.061093][ T10] netlink_unicast+0x449/0x710 [ 3384.061093][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.061093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.061093][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.061093][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.061093][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.061093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.061093][ T10] [ 3384.063122][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3384.063122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3384.063122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3384.063122][ T10] ipv6_find_idev+0x102/0x170 [ 3384.063122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.063122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.063122][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.063122][ T10] netlink_unicast+0x449/0x710 [ 3384.063122][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.063122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.063122][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.063122][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.063122][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.063122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.063122][ T10] [ 3384.065045][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3384.065385][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3384.065385][ T10] netdev_get_by_index+0x5e/0x80 [ 3384.065385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3384.065385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3384.065385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3384.065385][ T10] ipv6_add_addr+0x411/0x2000 [ 3384.065385][ T10] inet6_addr_add+0x30e/0xa40 [ 3384.065385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3384.065385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.065385][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.065385][ T10] netlink_unicast+0x449/0x710 [ 3384.065385][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.065385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.065385][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.065385][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.065385][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.065385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.065385][ T10] [ 3384.067547][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3384.067547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3384.067547][ T10] ipv6_find_idev+0x102/0x170 [ 3384.067547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.067547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.067547][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.067547][ T10] netlink_unicast+0x449/0x710 [ 3384.067547][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.067547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.067547][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.067547][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.067547][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.067547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.067547][ T10] [ 3384.069259][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3384.069259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3384.069259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3384.069259][ T10] ipv6_find_idev+0x102/0x170 [ 3384.069259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3384.069259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3384.069259][ T10] netlink_rcv_skb+0x130/0x360 [ 3384.069259][ T10] netlink_unicast+0x449/0x710 [ 3384.069259][ T10] netlink_sendmsg+0x723/0xbe0 [ 3384.069259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3384.069259][ T10] ___sys_sendmsg+0xee/0x170 [ 3384.069259][ T10] __sys_sendmsg+0xcd/0x170 [ 3384.069259][ T10] do_syscall_64+0xc6/0x1e0 [ 3384.069259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3384.069259][ T10] [ 3394.312279][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3394.312879][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3394.312879][ T10] netdev_get_by_index+0x5e/0x80 [ 3394.312879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3394.312879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3394.312879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3394.312879][ T10] ipv6_add_addr+0x411/0x2000 [ 3394.312879][ T10] inet6_addr_add+0x30e/0xa40 [ 3394.312879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3394.312879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.312879][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.312879][ T10] netlink_unicast+0x449/0x710 [ 3394.312879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.312879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.312879][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.312879][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.312879][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.312879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.312879][ T10] [ 3394.314756][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3394.314756][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3394.314756][ T10] ipv6_find_idev+0x102/0x170 [ 3394.314756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.314756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.314756][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.314756][ T10] netlink_unicast+0x449/0x710 [ 3394.314756][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.314756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.314756][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.314756][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.314756][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.314756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.314756][ T10] [ 3394.316181][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3394.316181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3394.316181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3394.316181][ T10] ipv6_find_idev+0x102/0x170 [ 3394.316181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.316181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.316181][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.316181][ T10] netlink_unicast+0x449/0x710 [ 3394.316181][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.316181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.316181][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.316181][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.316181][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.316181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.316181][ T10] [ 3394.317759][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3394.318049][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3394.318049][ T10] netdev_get_by_index+0x5e/0x80 [ 3394.318049][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3394.318049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3394.318049][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3394.318049][ T10] ipv6_add_addr+0x411/0x2000 [ 3394.318049][ T10] inet6_addr_add+0x30e/0xa40 [ 3394.318049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3394.318049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.318049][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.318049][ T10] netlink_unicast+0x449/0x710 [ 3394.318049][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.318049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.318049][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.318049][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.318049][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.318049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.318049][ T10] [ 3394.320039][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3394.320039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3394.320039][ T10] ipv6_find_idev+0x102/0x170 [ 3394.320039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.320039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.320039][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.320039][ T10] netlink_unicast+0x449/0x710 [ 3394.320039][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.320039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.320039][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.320039][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.320039][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.320039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.320039][ T10] [ 3394.321479][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3394.321479][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3394.321479][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3394.321479][ T10] ipv6_find_idev+0x102/0x170 [ 3394.321479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.321479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.321479][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.321479][ T10] netlink_unicast+0x449/0x710 [ 3394.321479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.321479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.321479][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.321479][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.321479][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.321479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.321479][ T10] [ 3394.323193][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3394.323466][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3394.323466][ T10] netdev_get_by_index+0x5e/0x80 [ 3394.323466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3394.323466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3394.323466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3394.323466][ T10] ipv6_add_addr+0x411/0x2000 [ 3394.323466][ T10] inet6_addr_add+0x30e/0xa40 [ 3394.323466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3394.323466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.323466][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.323466][ T10] netlink_unicast+0x449/0x710 [ 3394.323466][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.323466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.323466][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.323466][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.323466][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.323466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.323466][ T10] [ 3394.325449][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3394.325449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3394.325449][ T10] ipv6_find_idev+0x102/0x170 [ 3394.325449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.325449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.325449][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.325449][ T10] netlink_unicast+0x449/0x710 [ 3394.325449][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.325449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.325449][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.325449][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.325449][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.325449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.325449][ T10] [ 3394.326942][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3394.326942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3394.326942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3394.326942][ T10] ipv6_find_idev+0x102/0x170 [ 3394.326942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.326942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.326942][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.326942][ T10] netlink_unicast+0x449/0x710 [ 3394.326942][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.326942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.326942][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.326942][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.326942][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.326942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.326942][ T10] [ 3394.328594][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3394.328854][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3394.328854][ T10] netdev_get_by_index+0x5e/0x80 [ 3394.328854][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3394.328854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3394.328854][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3394.328854][ T10] ipv6_add_addr+0x411/0x2000 [ 3394.328854][ T10] inet6_addr_add+0x30e/0xa40 [ 3394.328854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3394.328854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.328854][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.328854][ T10] netlink_unicast+0x449/0x710 [ 3394.328854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.328854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.328854][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.328854][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.328854][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.328854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.328854][ T10] [ 3394.330836][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3394.330836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3394.330836][ T10] ipv6_find_idev+0x102/0x170 [ 3394.330836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.330836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.330836][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.330836][ T10] netlink_unicast+0x449/0x710 [ 3394.330836][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.330836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.330836][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.330836][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.330836][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.330836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.330836][ T10] [ 3394.332377][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3394.332377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3394.332377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3394.332377][ T10] ipv6_find_idev+0x102/0x170 [ 3394.332377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.332377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.332377][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.332377][ T10] netlink_unicast+0x449/0x710 [ 3394.332377][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.332377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.332377][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.332377][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.332377][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.332377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.332377][ T10] [ 3394.334465][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3394.335061][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3394.335061][ T10] netdev_get_by_index+0x5e/0x80 [ 3394.335061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3394.335061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3394.335061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3394.335061][ T10] ipv6_add_addr+0x411/0x2000 [ 3394.335061][ T10] inet6_addr_add+0x30e/0xa40 [ 3394.335061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3394.335061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.335061][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.335061][ T10] netlink_unicast+0x449/0x710 [ 3394.335061][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.335061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.335061][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.335061][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.335061][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.335061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.335061][ T10] [ 3394.337041][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3394.337041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3394.337041][ T10] ipv6_find_idev+0x102/0x170 [ 3394.337041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.337041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.337041][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.337041][ T10] netlink_unicast+0x449/0x710 [ 3394.337041][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.337041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.337041][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.337041][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.337041][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.337041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.337041][ T10] [ 3394.338566][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3394.338566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3394.338566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3394.338566][ T10] ipv6_find_idev+0x102/0x170 [ 3394.338566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.338566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.338566][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.338566][ T10] netlink_unicast+0x449/0x710 [ 3394.338566][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.338566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.338566][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.338566][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.338566][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.338566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.338566][ T10] [ 3394.340236][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3394.340516][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3394.340516][ T10] netdev_get_by_index+0x5e/0x80 [ 3394.340516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3394.340516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3394.340516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3394.340516][ T10] ipv6_add_addr+0x411/0x2000 [ 3394.340516][ T10] inet6_addr_add+0x30e/0xa40 [ 3394.340516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3394.340516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.340516][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.340516][ T10] netlink_unicast+0x449/0x710 [ 3394.340516][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.340516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.340516][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.340516][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.340516][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.340516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.340516][ T10] [ 3394.342514][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3394.342514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3394.342514][ T10] ipv6_find_idev+0x102/0x170 [ 3394.342514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.342514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.342514][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.342514][ T10] netlink_unicast+0x449/0x710 [ 3394.342514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.342514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.342514][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.342514][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.342514][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.342514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.342514][ T10] [ 3394.344109][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3394.344109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3394.344109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3394.344109][ T10] ipv6_find_idev+0x102/0x170 [ 3394.344109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.344109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.344109][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.344109][ T10] netlink_unicast+0x449/0x710 [ 3394.344109][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.344109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.344109][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.344109][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.344109][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.344109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.344109][ T10] [ 3394.346067][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3394.346388][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3394.346388][ T10] netdev_get_by_index+0x5e/0x80 [ 3394.346388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3394.346388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3394.346388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3394.346388][ T10] ipv6_add_addr+0x411/0x2000 [ 3394.346388][ T10] inet6_addr_add+0x30e/0xa40 [ 3394.346388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3394.346388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.346388][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.346388][ T10] netlink_unicast+0x449/0x710 [ 3394.346388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.346388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.346388][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.346388][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.346388][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.346388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.346388][ T10] [ 3394.348547][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3394.348547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3394.348547][ T10] ipv6_find_idev+0x102/0x170 [ 3394.348547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.348547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.348547][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.348547][ T10] netlink_unicast+0x449/0x710 [ 3394.348547][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.348547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.348547][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.348547][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.348547][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.348547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.348547][ T10] [ 3394.350323][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3394.350323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3394.350323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3394.350323][ T10] ipv6_find_idev+0x102/0x170 [ 3394.350323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.350323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.350323][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.350323][ T10] netlink_unicast+0x449/0x710 [ 3394.350323][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.350323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.350323][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.350323][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.350323][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.350323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.350323][ T10] [ 3394.352242][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3394.352550][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3394.352550][ T10] netdev_get_by_index+0x5e/0x80 [ 3394.352550][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3394.352550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3394.352550][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3394.352550][ T10] ipv6_add_addr+0x411/0x2000 [ 3394.352550][ T10] inet6_addr_add+0x30e/0xa40 [ 3394.352550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3394.352550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.352550][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.352550][ T10] netlink_unicast+0x449/0x710 [ 3394.352550][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.352550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.352550][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.352550][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.352550][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.352550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.352550][ T10] [ 3394.354752][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3394.354752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3394.354752][ T10] ipv6_find_idev+0x102/0x170 [ 3394.354752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.354752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.354752][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.354752][ T10] netlink_unicast+0x449/0x710 [ 3394.354752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.354752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.354752][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.354752][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.354752][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.354752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.354752][ T10] [ 3394.356468][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3394.356468][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3394.356468][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3394.356468][ T10] ipv6_find_idev+0x102/0x170 [ 3394.356468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3394.356468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3394.356468][ T10] netlink_rcv_skb+0x130/0x360 [ 3394.356468][ T10] netlink_unicast+0x449/0x710 [ 3394.356468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3394.356468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3394.356468][ T10] ___sys_sendmsg+0xee/0x170 [ 3394.356468][ T10] __sys_sendmsg+0xcd/0x170 [ 3394.356468][ T10] do_syscall_64+0xc6/0x1e0 [ 3394.356468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3394.356468][ T10] [ 3404.600249][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3404.600662][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3404.600662][ T10] netdev_get_by_index+0x5e/0x80 [ 3404.600662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3404.600662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3404.600662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3404.600662][ T10] ipv6_add_addr+0x411/0x2000 [ 3404.600662][ T10] inet6_addr_add+0x30e/0xa40 [ 3404.600662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.600662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.600662][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.600662][ T10] netlink_unicast+0x449/0x710 [ 3404.600662][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.600662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.600662][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.600662][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.600662][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.600662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.600662][ T10] [ 3404.602853][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3404.602853][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3404.602853][ T10] ipv6_find_idev+0x102/0x170 [ 3404.602853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.602853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.602853][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.602853][ T10] netlink_unicast+0x449/0x710 [ 3404.602853][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.602853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.602853][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.602853][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.602853][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.602853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.602853][ T10] [ 3404.604408][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3404.604408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3404.604408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3404.604408][ T10] ipv6_find_idev+0x102/0x170 [ 3404.604408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.604408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.604408][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.604408][ T10] netlink_unicast+0x449/0x710 [ 3404.604408][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.604408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.604408][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.604408][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.604408][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.604408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.604408][ T10] [ 3404.606078][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3404.606374][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3404.606374][ T10] netdev_get_by_index+0x5e/0x80 [ 3404.606374][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3404.606374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3404.606374][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3404.606374][ T10] ipv6_add_addr+0x411/0x2000 [ 3404.606374][ T10] inet6_addr_add+0x30e/0xa40 [ 3404.606374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.606374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.606374][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.606374][ T10] netlink_unicast+0x449/0x710 [ 3404.606374][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.606374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.606374][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.606374][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.606374][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.606374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.606374][ T10] [ 3404.608973][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3404.608973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3404.608973][ T10] ipv6_find_idev+0x102/0x170 [ 3404.608973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.608973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.608973][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.608973][ T10] netlink_unicast+0x449/0x710 [ 3404.608973][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.608973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.608973][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.608973][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.608973][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.608973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.608973][ T10] [ 3404.610488][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3404.610488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3404.610488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3404.610488][ T10] ipv6_find_idev+0x102/0x170 [ 3404.610488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.610488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.610488][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.610488][ T10] netlink_unicast+0x449/0x710 [ 3404.610488][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.610488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.610488][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.610488][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.610488][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.610488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.610488][ T10] [ 3404.612162][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3404.612439][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3404.612439][ T10] netdev_get_by_index+0x5e/0x80 [ 3404.612439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3404.612439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3404.612439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3404.612439][ T10] ipv6_add_addr+0x411/0x2000 [ 3404.612439][ T10] inet6_addr_add+0x30e/0xa40 [ 3404.612439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.612439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.612439][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.612439][ T10] netlink_unicast+0x449/0x710 [ 3404.612439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.612439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.612439][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.612439][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.612439][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.612439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.612439][ T10] [ 3404.614400][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3404.614400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3404.614400][ T10] ipv6_find_idev+0x102/0x170 [ 3404.614400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.614400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.614400][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.614400][ T10] netlink_unicast+0x449/0x710 [ 3404.614400][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.614400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.614400][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.614400][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.614400][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.614400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.614400][ T10] [ 3404.615912][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3404.615912][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3404.615912][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3404.615912][ T10] ipv6_find_idev+0x102/0x170 [ 3404.615912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.615912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.615912][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.615912][ T10] netlink_unicast+0x449/0x710 [ 3404.615912][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.615912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.615912][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.615912][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.615912][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.615912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.615912][ T10] [ 3404.617567][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3404.617824][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3404.617824][ T10] netdev_get_by_index+0x5e/0x80 [ 3404.617824][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3404.617824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3404.617824][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3404.617824][ T10] ipv6_add_addr+0x411/0x2000 [ 3404.617824][ T10] inet6_addr_add+0x30e/0xa40 [ 3404.617824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.617824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.617824][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.617824][ T10] netlink_unicast+0x449/0x710 [ 3404.617824][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.617824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.617824][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.617824][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.617824][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.617824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.617824][ T10] [ 3404.619808][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3404.619808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3404.619808][ T10] ipv6_find_idev+0x102/0x170 [ 3404.619808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.619808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.619808][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.619808][ T10] netlink_unicast+0x449/0x710 [ 3404.619808][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.619808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.619808][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.619808][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.619808][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.619808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.619808][ T10] [ 3404.621342][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3404.621342][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3404.621342][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3404.621342][ T10] ipv6_find_idev+0x102/0x170 [ 3404.621342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.621342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.621342][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.621342][ T10] netlink_unicast+0x449/0x710 [ 3404.621342][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.621342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.621342][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.621342][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.621342][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.621342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.621342][ T10] [ 3404.623419][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3404.623679][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3404.623679][ T10] netdev_get_by_index+0x5e/0x80 [ 3404.623679][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3404.623679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3404.623679][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3404.623679][ T10] ipv6_add_addr+0x411/0x2000 [ 3404.623679][ T10] inet6_addr_add+0x30e/0xa40 [ 3404.623679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.623679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.623679][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.623679][ T10] netlink_unicast+0x449/0x710 [ 3404.623679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.623679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.623679][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.623679][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.623679][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.623679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.623679][ T10] [ 3404.625636][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3404.625636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3404.625636][ T10] ipv6_find_idev+0x102/0x170 [ 3404.625636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.625636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.625636][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.625636][ T10] netlink_unicast+0x449/0x710 [ 3404.625636][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.625636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.625636][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.625636][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.625636][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.625636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.625636][ T10] [ 3404.627159][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3404.627159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3404.627159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3404.627159][ T10] ipv6_find_idev+0x102/0x170 [ 3404.627159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.627159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.627159][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.627159][ T10] netlink_unicast+0x449/0x710 [ 3404.627159][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.627159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.627159][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.627159][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.627159][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.627159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.627159][ T10] [ 3404.628854][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3404.629121][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3404.629121][ T10] netdev_get_by_index+0x5e/0x80 [ 3404.629121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3404.629121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3404.629121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3404.629121][ T10] ipv6_add_addr+0x411/0x2000 [ 3404.629121][ T10] inet6_addr_add+0x30e/0xa40 [ 3404.629121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.629121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.629121][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.629121][ T10] netlink_unicast+0x449/0x710 [ 3404.629121][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.629121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.629121][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.629121][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.629121][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.629121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.629121][ T10] [ 3404.631284][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3404.631284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3404.631284][ T10] ipv6_find_idev+0x102/0x170 [ 3404.631284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.631284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.631284][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.631284][ T10] netlink_unicast+0x449/0x710 [ 3404.631284][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.631284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.631284][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.631284][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.631284][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.631284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.631284][ T10] [ 3404.633003][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3404.633003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3404.633003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3404.633003][ T10] ipv6_find_idev+0x102/0x170 [ 3404.633003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.633003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.633003][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.633003][ T10] netlink_unicast+0x449/0x710 [ 3404.633003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.633003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.633003][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.633003][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.633003][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.633003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.633003][ T10] [ 3404.634844][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3404.635111][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3404.635111][ T10] netdev_get_by_index+0x5e/0x80 [ 3404.635111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3404.635111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3404.635111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3404.635111][ T10] ipv6_add_addr+0x411/0x2000 [ 3404.635111][ T10] inet6_addr_add+0x30e/0xa40 [ 3404.635111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.635111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.635111][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.635111][ T10] netlink_unicast+0x449/0x710 [ 3404.635111][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.635111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.635111][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.635111][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.635111][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.635111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.635111][ T10] [ 3404.637346][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3404.637346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3404.637346][ T10] ipv6_find_idev+0x102/0x170 [ 3404.637346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.637346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.637346][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.637346][ T10] netlink_unicast+0x449/0x710 [ 3404.637346][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.637346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.637346][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.637346][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.637346][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.637346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.637346][ T10] [ 3404.639003][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3404.639003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3404.639003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3404.639003][ T10] ipv6_find_idev+0x102/0x170 [ 3404.639003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.639003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.639003][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.639003][ T10] netlink_unicast+0x449/0x710 [ 3404.639003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.639003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.639003][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.639003][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.639003][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.639003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.639003][ T10] [ 3404.640941][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3404.641257][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3404.641257][ T10] netdev_get_by_index+0x5e/0x80 [ 3404.641257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3404.641257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3404.641257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3404.641257][ T10] ipv6_add_addr+0x411/0x2000 [ 3404.641257][ T10] inet6_addr_add+0x30e/0xa40 [ 3404.641257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3404.641257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.641257][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.641257][ T10] netlink_unicast+0x449/0x710 [ 3404.641257][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.641257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.641257][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.641257][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.641257][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.641257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.641257][ T10] [ 3404.643454][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3404.643454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3404.643454][ T10] ipv6_find_idev+0x102/0x170 [ 3404.643454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.643454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.643454][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.643454][ T10] netlink_unicast+0x449/0x710 [ 3404.643454][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.643454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.643454][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.643454][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.643454][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.643454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.643454][ T10] [ 3404.645141][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3404.645141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3404.645141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3404.645141][ T10] ipv6_find_idev+0x102/0x170 [ 3404.645141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3404.645141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3404.645141][ T10] netlink_rcv_skb+0x130/0x360 [ 3404.645141][ T10] netlink_unicast+0x449/0x710 [ 3404.645141][ T10] netlink_sendmsg+0x723/0xbe0 [ 3404.645141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3404.645141][ T10] ___sys_sendmsg+0xee/0x170 [ 3404.645141][ T10] __sys_sendmsg+0xcd/0x170 [ 3404.645141][ T10] do_syscall_64+0xc6/0x1e0 [ 3404.645141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3404.645141][ T10] [ 3414.888208][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3414.888642][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3414.888642][ T10] netdev_get_by_index+0x5e/0x80 [ 3414.888642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3414.888642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3414.888642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3414.888642][ T10] ipv6_add_addr+0x411/0x2000 [ 3414.888642][ T10] inet6_addr_add+0x30e/0xa40 [ 3414.888642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.888642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.888642][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.888642][ T10] netlink_unicast+0x449/0x710 [ 3414.888642][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.888642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.888642][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.888642][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.888642][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.888642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.888642][ T10] [ 3414.890631][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3414.890631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3414.890631][ T10] ipv6_find_idev+0x102/0x170 [ 3414.890631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.890631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.890631][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.890631][ T10] netlink_unicast+0x449/0x710 [ 3414.890631][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.890631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.890631][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.890631][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.890631][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.890631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.890631][ T10] [ 3414.892165][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3414.892165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3414.892165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3414.892165][ T10] ipv6_find_idev+0x102/0x170 [ 3414.892165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.892165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.892165][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.892165][ T10] netlink_unicast+0x449/0x710 [ 3414.892165][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.892165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.892165][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.892165][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.892165][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.892165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.892165][ T10] [ 3414.893848][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3414.894113][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3414.894113][ T10] netdev_get_by_index+0x5e/0x80 [ 3414.894113][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3414.894113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3414.894113][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3414.894113][ T10] ipv6_add_addr+0x411/0x2000 [ 3414.894113][ T10] inet6_addr_add+0x30e/0xa40 [ 3414.894113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.894113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.894113][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.894113][ T10] netlink_unicast+0x449/0x710 [ 3414.894113][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.894113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.894113][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.894113][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.894113][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.894113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.894113][ T10] [ 3414.896055][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3414.896055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3414.896055][ T10] ipv6_find_idev+0x102/0x170 [ 3414.896055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.896055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.896055][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.896055][ T10] netlink_unicast+0x449/0x710 [ 3414.896055][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.896055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.896055][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.896055][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.896055][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.896055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.896055][ T10] [ 3414.897568][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3414.897568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3414.897568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3414.897568][ T10] ipv6_find_idev+0x102/0x170 [ 3414.897568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.897568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.897568][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.897568][ T10] netlink_unicast+0x449/0x710 [ 3414.897568][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.897568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.897568][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.897568][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.897568][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.897568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.897568][ T10] [ 3414.899239][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3414.899499][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3414.899499][ T10] netdev_get_by_index+0x5e/0x80 [ 3414.899499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3414.899499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3414.899499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3414.899499][ T10] ipv6_add_addr+0x411/0x2000 [ 3414.899499][ T10] inet6_addr_add+0x30e/0xa40 [ 3414.899499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.899499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.899499][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.899499][ T10] netlink_unicast+0x449/0x710 [ 3414.899499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.899499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.899499][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.899499][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.899499][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.899499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.899499][ T10] [ 3414.901452][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3414.901452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3414.901452][ T10] ipv6_find_idev+0x102/0x170 [ 3414.901452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.901452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.901452][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.901452][ T10] netlink_unicast+0x449/0x710 [ 3414.901452][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.901452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.901452][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.901452][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.901452][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.901452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.901452][ T10] [ 3414.902971][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3414.902971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3414.902971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3414.902971][ T10] ipv6_find_idev+0x102/0x170 [ 3414.902971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.902971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.902971][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.902971][ T10] netlink_unicast+0x449/0x710 [ 3414.902971][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.902971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.902971][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.902971][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.902971][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.902971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.902971][ T10] [ 3414.904625][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3414.904895][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3414.904895][ T10] netdev_get_by_index+0x5e/0x80 [ 3414.904895][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3414.904895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3414.904895][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3414.904895][ T10] ipv6_add_addr+0x411/0x2000 [ 3414.904895][ T10] inet6_addr_add+0x30e/0xa40 [ 3414.904895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.904895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.904895][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.904895][ T10] netlink_unicast+0x449/0x710 [ 3414.904895][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.904895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.904895][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.904895][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.904895][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.904895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.904895][ T10] [ 3414.906866][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3414.906866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3414.906866][ T10] ipv6_find_idev+0x102/0x170 [ 3414.906866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.906866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.906866][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.906866][ T10] netlink_unicast+0x449/0x710 [ 3414.906866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.906866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.906866][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.906866][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.906866][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.906866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.906866][ T10] [ 3414.908399][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3414.908399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3414.908399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3414.908399][ T10] ipv6_find_idev+0x102/0x170 [ 3414.908399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.908399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.908399][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.908399][ T10] netlink_unicast+0x449/0x710 [ 3414.908399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.908399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.908399][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.908399][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.908399][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.908399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.908399][ T10] [ 3414.910494][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3414.910752][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3414.910752][ T10] netdev_get_by_index+0x5e/0x80 [ 3414.910752][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3414.910752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3414.910752][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3414.910752][ T10] ipv6_add_addr+0x411/0x2000 [ 3414.910752][ T10] inet6_addr_add+0x30e/0xa40 [ 3414.910752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.910752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.910752][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.910752][ T10] netlink_unicast+0x449/0x710 [ 3414.910752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.910752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.910752][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.910752][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.910752][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.910752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.910752][ T10] [ 3414.912686][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3414.912686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3414.912686][ T10] ipv6_find_idev+0x102/0x170 [ 3414.912686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.912686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.912686][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.912686][ T10] netlink_unicast+0x449/0x710 [ 3414.912686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.912686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.912686][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.912686][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.912686][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.912686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.912686][ T10] [ 3414.914191][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3414.914191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3414.914191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3414.914191][ T10] ipv6_find_idev+0x102/0x170 [ 3414.914191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.914191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.914191][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.914191][ T10] netlink_unicast+0x449/0x710 [ 3414.914191][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.914191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.914191][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.914191][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.914191][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.914191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.914191][ T10] [ 3414.915876][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3414.916136][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3414.916136][ T10] netdev_get_by_index+0x5e/0x80 [ 3414.916136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3414.916136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3414.916136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3414.916136][ T10] ipv6_add_addr+0x411/0x2000 [ 3414.916136][ T10] inet6_addr_add+0x30e/0xa40 [ 3414.916136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.916136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.916136][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.916136][ T10] netlink_unicast+0x449/0x710 [ 3414.916136][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.916136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.916136][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.916136][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.916136][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.916136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.916136][ T10] [ 3414.918296][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3414.918296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3414.918296][ T10] ipv6_find_idev+0x102/0x170 [ 3414.918296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.918296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.918296][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.918296][ T10] netlink_unicast+0x449/0x710 [ 3414.918296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.918296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.918296][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.918296][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.918296][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.918296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.918296][ T10] [ 3414.920067][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3414.920067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3414.920067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3414.920067][ T10] ipv6_find_idev+0x102/0x170 [ 3414.920067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.920067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.920067][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.920067][ T10] netlink_unicast+0x449/0x710 [ 3414.920067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.920067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.920067][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.920067][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.920067][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.920067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.920067][ T10] [ 3414.921931][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3414.922241][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3414.922241][ T10] netdev_get_by_index+0x5e/0x80 [ 3414.922241][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3414.922241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3414.922241][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3414.922241][ T10] ipv6_add_addr+0x411/0x2000 [ 3414.922241][ T10] inet6_addr_add+0x30e/0xa40 [ 3414.922241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.922241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.922241][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.922241][ T10] netlink_unicast+0x449/0x710 [ 3414.922241][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.922241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.922241][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.922241][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.922241][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.922241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.922241][ T10] [ 3414.924409][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3414.924409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3414.924409][ T10] ipv6_find_idev+0x102/0x170 [ 3414.924409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.924409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.924409][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.924409][ T10] netlink_unicast+0x449/0x710 [ 3414.924409][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.924409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.924409][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.924409][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.924409][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.924409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.924409][ T10] [ 3414.926100][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3414.926100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3414.926100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3414.926100][ T10] ipv6_find_idev+0x102/0x170 [ 3414.926100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.926100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.926100][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.926100][ T10] netlink_unicast+0x449/0x710 [ 3414.926100][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.926100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.926100][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.926100][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.926100][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.926100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.926100][ T10] [ 3414.927936][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3414.928251][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3414.928251][ T10] netdev_get_by_index+0x5e/0x80 [ 3414.928251][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3414.928251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3414.928251][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3414.928251][ T10] ipv6_add_addr+0x411/0x2000 [ 3414.928251][ T10] inet6_addr_add+0x30e/0xa40 [ 3414.928251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3414.928251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.928251][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.928251][ T10] netlink_unicast+0x449/0x710 [ 3414.928251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.928251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.928251][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.928251][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.928251][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.928251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.928251][ T10] [ 3414.930453][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3414.930453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3414.930453][ T10] ipv6_find_idev+0x102/0x170 [ 3414.930453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.930453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.930453][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.930453][ T10] netlink_unicast+0x449/0x710 [ 3414.930453][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.930453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.930453][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.930453][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.930453][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.930453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.930453][ T10] [ 3414.932099][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3414.932099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3414.932099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3414.932099][ T10] ipv6_find_idev+0x102/0x170 [ 3414.932099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3414.932099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3414.932099][ T10] netlink_rcv_skb+0x130/0x360 [ 3414.932099][ T10] netlink_unicast+0x449/0x710 [ 3414.932099][ T10] netlink_sendmsg+0x723/0xbe0 [ 3414.932099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3414.932099][ T10] ___sys_sendmsg+0xee/0x170 [ 3414.932099][ T10] __sys_sendmsg+0xcd/0x170 [ 3414.932099][ T10] do_syscall_64+0xc6/0x1e0 [ 3414.932099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3414.932099][ T10] [ 3425.176300][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3425.176858][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3425.176858][ T10] netdev_get_by_index+0x5e/0x80 [ 3425.176858][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3425.176858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3425.176858][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3425.176858][ T10] ipv6_add_addr+0x411/0x2000 [ 3425.176858][ T10] inet6_addr_add+0x30e/0xa40 [ 3425.176858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3425.176858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.176858][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.176858][ T10] netlink_unicast+0x449/0x710 [ 3425.176858][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.176858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.176858][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.176858][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.176858][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.176858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.176858][ T10] [ 3425.178801][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3425.178801][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3425.178801][ T10] ipv6_find_idev+0x102/0x170 [ 3425.178801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.178801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.178801][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.178801][ T10] netlink_unicast+0x449/0x710 [ 3425.178801][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.178801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.178801][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.178801][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.178801][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.178801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.178801][ T10] [ 3425.180279][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3425.180279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3425.180279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3425.180279][ T10] ipv6_find_idev+0x102/0x170 [ 3425.180279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.180279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.180279][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.180279][ T10] netlink_unicast+0x449/0x710 [ 3425.180279][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.180279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.180279][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.180279][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.180279][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.180279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.180279][ T10] [ 3425.181898][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3425.182190][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3425.182190][ T10] netdev_get_by_index+0x5e/0x80 [ 3425.182190][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3425.182190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3425.182190][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3425.182190][ T10] ipv6_add_addr+0x411/0x2000 [ 3425.182190][ T10] inet6_addr_add+0x30e/0xa40 [ 3425.182190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3425.182190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.182190][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.182190][ T10] netlink_unicast+0x449/0x710 [ 3425.182190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.182190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.182190][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.182190][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.182190][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.182190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.182190][ T10] [ 3425.184130][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3425.184130][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3425.184130][ T10] ipv6_find_idev+0x102/0x170 [ 3425.184130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.184130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.184130][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.184130][ T10] netlink_unicast+0x449/0x710 [ 3425.184130][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.184130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.184130][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.184130][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.184130][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.184130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.184130][ T10] [ 3425.185612][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3425.185612][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3425.185612][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3425.185612][ T10] ipv6_find_idev+0x102/0x170 [ 3425.185612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.185612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.185612][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.185612][ T10] netlink_unicast+0x449/0x710 [ 3425.185612][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.185612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.185612][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.185612][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.185612][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.185612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.185612][ T10] [ 3425.187232][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3425.187524][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3425.187524][ T10] netdev_get_by_index+0x5e/0x80 [ 3425.187524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3425.187524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3425.187524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3425.187524][ T10] ipv6_add_addr+0x411/0x2000 [ 3425.187524][ T10] inet6_addr_add+0x30e/0xa40 [ 3425.187524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3425.187524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.187524][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.187524][ T10] netlink_unicast+0x449/0x710 [ 3425.187524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.187524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.187524][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.187524][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.187524][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.187524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.187524][ T10] [ 3425.189508][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3425.189508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3425.189508][ T10] ipv6_find_idev+0x102/0x170 [ 3425.189508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.189508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.189508][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.189508][ T10] netlink_unicast+0x449/0x710 [ 3425.189508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.189508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.189508][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.189508][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.189508][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.189508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.189508][ T10] [ 3425.191000][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3425.191000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3425.191000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3425.191000][ T10] ipv6_find_idev+0x102/0x170 [ 3425.191000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.191000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.191000][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.191000][ T10] netlink_unicast+0x449/0x710 [ 3425.191000][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.191000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.191000][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.191000][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.191000][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.191000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.191000][ T10] [ 3425.192624][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3425.192901][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3425.192901][ T10] netdev_get_by_index+0x5e/0x80 [ 3425.192901][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3425.192901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3425.192901][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3425.192901][ T10] ipv6_add_addr+0x411/0x2000 [ 3425.192901][ T10] inet6_addr_add+0x30e/0xa40 [ 3425.192901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3425.192901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.192901][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.192901][ T10] netlink_unicast+0x449/0x710 [ 3425.192901][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.192901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.192901][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.192901][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.192901][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.192901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.192901][ T10] [ 3425.194859][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3425.194859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3425.194859][ T10] ipv6_find_idev+0x102/0x170 [ 3425.194859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.194859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.194859][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.194859][ T10] netlink_unicast+0x449/0x710 [ 3425.194859][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.194859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.194859][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.194859][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.194859][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.194859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.194859][ T10] [ 3425.196365][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3425.196365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3425.196365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3425.196365][ T10] ipv6_find_idev+0x102/0x170 [ 3425.196365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.196365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.196365][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.196365][ T10] netlink_unicast+0x449/0x710 [ 3425.196365][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.196365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.196365][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.196365][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.196365][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.196365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.196365][ T10] [ 3425.198046][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3425.198365][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3425.198365][ T10] netdev_get_by_index+0x5e/0x80 [ 3425.198365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3425.198365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3425.198365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3425.198365][ T10] ipv6_add_addr+0x411/0x2000 [ 3425.198365][ T10] inet6_addr_add+0x30e/0xa40 [ 3425.198365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3425.198365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.198365][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.198365][ T10] netlink_unicast+0x449/0x710 [ 3425.198365][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.198365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.198365][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.198365][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.198365][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.198365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.198365][ T10] [ 3425.200326][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3425.200326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3425.200326][ T10] ipv6_find_idev+0x102/0x170 [ 3425.200326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.200326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.200326][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.200326][ T10] netlink_unicast+0x449/0x710 [ 3425.200326][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.200326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.200326][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.200326][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.200326][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.200326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.200326][ T10] [ 3425.201839][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3425.201839][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3425.201839][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3425.201839][ T10] ipv6_find_idev+0x102/0x170 [ 3425.201839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.201839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.201839][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.201839][ T10] netlink_unicast+0x449/0x710 [ 3425.201839][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.201839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.201839][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.201839][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.201839][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.201839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.201839][ T10] [ 3425.203853][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3425.204178][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3425.204178][ T10] netdev_get_by_index+0x5e/0x80 [ 3425.204178][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3425.204178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3425.204178][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3425.204178][ T10] ipv6_add_addr+0x411/0x2000 [ 3425.204178][ T10] inet6_addr_add+0x30e/0xa40 [ 3425.204178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3425.204178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.204178][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.204178][ T10] netlink_unicast+0x449/0x710 [ 3425.204178][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.204178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.204178][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.204178][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.204178][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.204178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.204178][ T10] [ 3425.206333][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3425.206333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3425.206333][ T10] ipv6_find_idev+0x102/0x170 [ 3425.206333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.206333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.206333][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.206333][ T10] netlink_unicast+0x449/0x710 [ 3425.206333][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.206333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.206333][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.206333][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.206333][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.206333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.206333][ T10] [ 3425.208023][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3425.208023][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3425.208023][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3425.208023][ T10] ipv6_find_idev+0x102/0x170 [ 3425.208023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.208023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.208023][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.208023][ T10] netlink_unicast+0x449/0x710 [ 3425.208023][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.208023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.208023][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.208023][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.208023][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.208023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.208023][ T10] [ 3425.209930][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3425.210263][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3425.210263][ T10] netdev_get_by_index+0x5e/0x80 [ 3425.210263][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3425.210263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3425.210263][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3425.210263][ T10] ipv6_add_addr+0x411/0x2000 [ 3425.210263][ T10] inet6_addr_add+0x30e/0xa40 [ 3425.210263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3425.210263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.210263][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.210263][ T10] netlink_unicast+0x449/0x710 [ 3425.210263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.210263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.210263][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.210263][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.210263][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.210263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.210263][ T10] [ 3425.212425][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3425.212425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3425.212425][ T10] ipv6_find_idev+0x102/0x170 [ 3425.212425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.212425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.212425][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.212425][ T10] netlink_unicast+0x449/0x710 [ 3425.212425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.212425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.212425][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.212425][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.212425][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.212425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.212425][ T10] [ 3425.214093][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3425.214093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3425.214093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3425.214093][ T10] ipv6_find_idev+0x102/0x170 [ 3425.214093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.214093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.214093][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.214093][ T10] netlink_unicast+0x449/0x710 [ 3425.214093][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.214093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.214093][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.214093][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.214093][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.214093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.214093][ T10] [ 3425.216000][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3425.216317][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3425.216317][ T10] netdev_get_by_index+0x5e/0x80 [ 3425.216317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3425.216317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3425.216317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3425.216317][ T10] ipv6_add_addr+0x411/0x2000 [ 3425.216317][ T10] inet6_addr_add+0x30e/0xa40 [ 3425.216317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3425.216317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.216317][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.216317][ T10] netlink_unicast+0x449/0x710 [ 3425.216317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.216317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.216317][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.216317][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.216317][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.216317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.216317][ T10] [ 3425.218460][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3425.218460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3425.218460][ T10] ipv6_find_idev+0x102/0x170 [ 3425.218460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.218460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.218460][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.218460][ T10] netlink_unicast+0x449/0x710 [ 3425.218460][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.218460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.218460][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.218460][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.218460][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.218460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.218460][ T10] [ 3425.220152][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3425.220152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3425.220152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3425.220152][ T10] ipv6_find_idev+0x102/0x170 [ 3425.220152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3425.220152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3425.220152][ T10] netlink_rcv_skb+0x130/0x360 [ 3425.220152][ T10] netlink_unicast+0x449/0x710 [ 3425.220152][ T10] netlink_sendmsg+0x723/0xbe0 [ 3425.220152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3425.220152][ T10] ___sys_sendmsg+0xee/0x170 [ 3425.220152][ T10] __sys_sendmsg+0xcd/0x170 [ 3425.220152][ T10] do_syscall_64+0xc6/0x1e0 [ 3425.220152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3425.220152][ T10] [ 3435.336275][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3435.336975][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3435.336975][ T10] netdev_get_by_index+0x5e/0x80 [ 3435.336975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3435.336975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3435.336975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3435.336975][ T10] ipv6_add_addr+0x411/0x2000 [ 3435.336975][ T10] inet6_addr_add+0x30e/0xa40 [ 3435.336975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.336975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.336975][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.336975][ T10] netlink_unicast+0x449/0x710 [ 3435.336975][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.336975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.336975][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.336975][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.336975][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.336975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.336975][ T10] [ 3435.338920][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3435.338920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3435.338920][ T10] ipv6_find_idev+0x102/0x170 [ 3435.338920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.338920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.338920][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.338920][ T10] netlink_unicast+0x449/0x710 [ 3435.338920][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.338920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.338920][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.338920][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.338920][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.338920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.338920][ T10] [ 3435.340434][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3435.340434][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3435.340434][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3435.340434][ T10] ipv6_find_idev+0x102/0x170 [ 3435.340434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.340434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.340434][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.340434][ T10] netlink_unicast+0x449/0x710 [ 3435.340434][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.340434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.340434][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.340434][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.340434][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.340434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.340434][ T10] [ 3435.342052][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3435.342346][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3435.342346][ T10] netdev_get_by_index+0x5e/0x80 [ 3435.342346][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3435.342346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3435.342346][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3435.342346][ T10] ipv6_add_addr+0x411/0x2000 [ 3435.342346][ T10] inet6_addr_add+0x30e/0xa40 [ 3435.342346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.342346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.342346][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.342346][ T10] netlink_unicast+0x449/0x710 [ 3435.342346][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.342346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.342346][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.342346][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.342346][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.342346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.342346][ T10] [ 3435.344290][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3435.344290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3435.344290][ T10] ipv6_find_idev+0x102/0x170 [ 3435.344290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.344290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.344290][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.344290][ T10] netlink_unicast+0x449/0x710 [ 3435.344290][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.344290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.344290][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.344290][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.344290][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.344290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.344290][ T10] [ 3435.345833][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3435.345833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3435.345833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3435.345833][ T10] ipv6_find_idev+0x102/0x170 [ 3435.345833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.345833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.345833][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.345833][ T10] netlink_unicast+0x449/0x710 [ 3435.345833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.345833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.345833][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.345833][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.345833][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.345833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.345833][ T10] [ 3435.347450][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3435.347705][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3435.347705][ T10] netdev_get_by_index+0x5e/0x80 [ 3435.347705][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3435.347705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3435.347705][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3435.347705][ T10] ipv6_add_addr+0x411/0x2000 [ 3435.347705][ T10] inet6_addr_add+0x30e/0xa40 [ 3435.347705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.347705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.347705][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.347705][ T10] netlink_unicast+0x449/0x710 [ 3435.347705][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.347705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.347705][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.347705][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.347705][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.347705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.347705][ T10] [ 3435.349678][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3435.349678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3435.349678][ T10] ipv6_find_idev+0x102/0x170 [ 3435.349678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.349678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.349678][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.349678][ T10] netlink_unicast+0x449/0x710 [ 3435.349678][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.349678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.349678][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.349678][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.349678][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.349678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.349678][ T10] [ 3435.351151][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3435.351151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3435.351151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3435.351151][ T10] ipv6_find_idev+0x102/0x170 [ 3435.351151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.351151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.351151][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.351151][ T10] netlink_unicast+0x449/0x710 [ 3435.351151][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.351151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.351151][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.351151][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.351151][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.351151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.351151][ T10] [ 3435.352765][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3435.353045][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3435.353045][ T10] netdev_get_by_index+0x5e/0x80 [ 3435.353045][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3435.353045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3435.353045][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3435.353045][ T10] ipv6_add_addr+0x411/0x2000 [ 3435.353045][ T10] inet6_addr_add+0x30e/0xa40 [ 3435.353045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.353045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.353045][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.353045][ T10] netlink_unicast+0x449/0x710 [ 3435.353045][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.353045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.353045][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.353045][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.353045][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.353045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.353045][ T10] [ 3435.354966][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3435.354966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3435.354966][ T10] ipv6_find_idev+0x102/0x170 [ 3435.354966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.354966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.354966][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.354966][ T10] netlink_unicast+0x449/0x710 [ 3435.354966][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.354966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.354966][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.354966][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.354966][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.354966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.354966][ T10] [ 3435.356439][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3435.356439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3435.356439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3435.356439][ T10] ipv6_find_idev+0x102/0x170 [ 3435.356439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.356439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.356439][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.356439][ T10] netlink_unicast+0x449/0x710 [ 3435.356439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.356439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.356439][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.356439][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.356439][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.356439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.356439][ T10] [ 3435.358488][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3435.358751][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3435.358751][ T10] netdev_get_by_index+0x5e/0x80 [ 3435.358751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3435.358751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3435.358751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3435.358751][ T10] ipv6_add_addr+0x411/0x2000 [ 3435.358751][ T10] inet6_addr_add+0x30e/0xa40 [ 3435.358751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.358751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.358751][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.358751][ T10] netlink_unicast+0x449/0x710 [ 3435.358751][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.358751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.358751][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.358751][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.358751][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.358751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.358751][ T10] [ 3435.360681][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3435.360681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3435.360681][ T10] ipv6_find_idev+0x102/0x170 [ 3435.360681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.360681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.360681][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.360681][ T10] netlink_unicast+0x449/0x710 [ 3435.360681][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.360681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.360681][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.360681][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.360681][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.360681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.360681][ T10] [ 3435.362188][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3435.362188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3435.362188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3435.362188][ T10] ipv6_find_idev+0x102/0x170 [ 3435.362188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.362188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.362188][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.362188][ T10] netlink_unicast+0x449/0x710 [ 3435.362188][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.362188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.362188][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.362188][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.362188][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.362188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.362188][ T10] [ 3435.363874][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3435.364136][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3435.364136][ T10] netdev_get_by_index+0x5e/0x80 [ 3435.364136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3435.364136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3435.364136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3435.364136][ T10] ipv6_add_addr+0x411/0x2000 [ 3435.364136][ T10] inet6_addr_add+0x30e/0xa40 [ 3435.364136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.364136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.364136][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.364136][ T10] netlink_unicast+0x449/0x710 [ 3435.364136][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.364136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.364136][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.364136][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.364136][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.364136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.364136][ T10] [ 3435.366229][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3435.366229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3435.366229][ T10] ipv6_find_idev+0x102/0x170 [ 3435.366229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.366229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.366229][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.366229][ T10] netlink_unicast+0x449/0x710 [ 3435.366229][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.366229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.366229][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.366229][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.366229][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.366229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.366229][ T10] [ 3435.367965][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3435.367965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3435.367965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3435.367965][ T10] ipv6_find_idev+0x102/0x170 [ 3435.367965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.367965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.367965][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.367965][ T10] netlink_unicast+0x449/0x710 [ 3435.367965][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.367965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.367965][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.367965][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.367965][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.367965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.367965][ T10] [ 3435.369816][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3435.370077][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3435.370077][ T10] netdev_get_by_index+0x5e/0x80 [ 3435.370077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3435.370077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3435.370077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3435.370077][ T10] ipv6_add_addr+0x411/0x2000 [ 3435.370077][ T10] inet6_addr_add+0x30e/0xa40 [ 3435.370077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.370077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.370077][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.370077][ T10] netlink_unicast+0x449/0x710 [ 3435.370077][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.370077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.370077][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.370077][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.370077][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.370077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.370077][ T10] [ 3435.372260][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3435.372260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3435.372260][ T10] ipv6_find_idev+0x102/0x170 [ 3435.372260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.372260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.372260][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.372260][ T10] netlink_unicast+0x449/0x710 [ 3435.372260][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.372260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.372260][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.372260][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.372260][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.372260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.372260][ T10] [ 3435.373860][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3435.373860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3435.373860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3435.373860][ T10] ipv6_find_idev+0x102/0x170 [ 3435.373860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.373860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.373860][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.373860][ T10] netlink_unicast+0x449/0x710 [ 3435.373860][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.373860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.373860][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.373860][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.373860][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.373860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.373860][ T10] [ 3435.375810][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3435.376079][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3435.376079][ T10] netdev_get_by_index+0x5e/0x80 [ 3435.376079][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3435.376079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3435.376079][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3435.376079][ T10] ipv6_add_addr+0x411/0x2000 [ 3435.376079][ T10] inet6_addr_add+0x30e/0xa40 [ 3435.376079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3435.376079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.376079][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.376079][ T10] netlink_unicast+0x449/0x710 [ 3435.376079][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.376079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.376079][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.376079][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.376079][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.376079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.376079][ T10] [ 3435.378287][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3435.378287][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3435.378287][ T10] ipv6_find_idev+0x102/0x170 [ 3435.378287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.378287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.378287][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.378287][ T10] netlink_unicast+0x449/0x710 [ 3435.378287][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.378287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.378287][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.378287][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.378287][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.378287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.378287][ T10] [ 3435.379987][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3435.379987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3435.379987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3435.379987][ T10] ipv6_find_idev+0x102/0x170 [ 3435.379987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3435.379987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3435.379987][ T10] netlink_rcv_skb+0x130/0x360 [ 3435.379987][ T10] netlink_unicast+0x449/0x710 [ 3435.379987][ T10] netlink_sendmsg+0x723/0xbe0 [ 3435.379987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3435.379987][ T10] ___sys_sendmsg+0xee/0x170 [ 3435.379987][ T10] __sys_sendmsg+0xcd/0x170 [ 3435.379987][ T10] do_syscall_64+0xc6/0x1e0 [ 3435.379987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3435.379987][ T10] [ 3441.944316][ T42] INFO: task modprobe:14771 blocked for more than 368 seconds. [ 3441.944871][ T42] Not tainted 6.8.0-virtme #1 [ 3441.944996][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3441.945222][ T42] task:modprobe state:D stack:25856 pid:14771 tgid:14771 ppid:36 flags:0x00004002 [ 3441.945480][ T42] Call Trace: [ 3441.945583][ T42] [ 3441.945651][ T42] __schedule+0x705/0x1ac0 [ 3441.945780][ T42] ? __pfx___schedule+0x10/0x10 [ 3441.945903][ T42] ? schedule+0x1a5/0x210 [ 3441.945997][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3441.946136][ T42] ? mark_lock+0x38/0x3e0 [ 3441.946229][ T42] ? do_raw_spin_lock+0x131/0x270 [ 3441.946376][ T42] ? schedule+0x1a5/0x210 [ 3441.946476][ T42] schedule+0xdf/0x210 [ 3441.946571][ T42] schedule_preempt_disabled+0x15/0x30 [ 3441.946696][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 3441.946833][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 3441.946985][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3441.947121][ T42] ? lock_acquire+0x1c1/0x220 [ 3441.947239][ T42] ? register_pernet_subsys+0x1a/0x50 [ 3441.947372][ T42] down_write+0x1c9/0x200 [ 3441.947467][ T42] ? __pfx_down_write+0x10/0x10 [ 3441.947589][ T42] ? __lock_release+0x103/0x460 [ 3441.947707][ T42] ? __create_object+0x5e/0xb0 [ 3441.947828][ T42] ? __pfx___lock_release+0x10/0x10 [ 3441.947951][ T42] register_pernet_subsys+0x1a/0x50 [ 3441.948072][ T42] tcf_register_action+0xa3/0x600 [ 3441.948203][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 3441.948359][ T42] do_one_initcall+0xc8/0x3f0 [ 3441.948480][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 3441.948605][ T42] ? __create_object+0x5e/0xb0 [ 3441.948754][ T42] ? kasan_unpoison+0x27/0x60 [ 3441.948881][ T42] do_init_module+0x233/0x740 [ 3441.949017][ T42] load_module+0x16b5/0x2350 [ 3441.949160][ T42] ? __pfx_load_module+0x10/0x10 [ 3441.949293][ T42] ? kernel_read_file+0x3d2/0x520 [ 3441.949419][ T42] ? kernel_read_file+0x300/0x520 [ 3441.949574][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 3441.949705][ T42] ? init_module_from_file+0xd2/0x130 [ 3441.949829][ T42] init_module_from_file+0xd2/0x130 [ 3441.949954][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 3441.950134][ T42] ? __lock_release+0x103/0x460 [ 3441.950254][ T42] ? idempotent_init_module+0x32a/0x620 [ 3441.950385][ T42] ? idempotent_init_module+0x32a/0x620 [ 3441.950537][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 3441.950662][ T42] idempotent_init_module+0x342/0x620 [ 3441.950792][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 3441.950965][ T42] __x64_sys_finit_module+0xbe/0x130 [ 3441.951090][ T42] do_syscall_64+0xc6/0x1e0 [ 3441.951227][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3441.951389][ T42] RIP: 0033:0x7f9f7563de5d [ 3441.951519][ T42] RSP: 002b:00007ffe3a6850f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 3441.951702][ T42] RAX: ffffffffffffffda RBX: 0000558501133c00 RCX: 00007f9f7563de5d [ 3441.951878][ T42] RDX: 0000000000000000 RSI: 00005584c204fa2a RDI: 0000000000000000 [ 3441.952055][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe3a685230 [ 3441.952241][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584c204fa2a [ 3441.952427][ T42] R13: 0000558501133b10 R14: 0000558501133f40 R15: 0000558501133c72 [ 3441.952642][ T42] [ 3441.952734][ T42] [ 3441.952734][ T42] Showing all locks held in the system: [ 3441.952904][ T42] 3 locks held by kworker/u16:0/10: [ 3441.953023][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3441.953292][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3441.953507][ T42] #2: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 3441.953721][ T42] 2 locks held by kworker/u17:0/36: [ 3441.953838][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3441.954077][ T42] #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3441.954366][ T42] 1 lock held by khungtaskd/42: [ 3441.954479][ T42] #0: ffffffff96f69160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 3441.954698][ T42] 1 lock held by modprobe/14771: [ 3441.954811][ T42] #0: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 3441.955047][ T42] [ 3441.955116][ T42] ============================================= [ 3441.955116][ T42] [ 3445.624299][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3445.625001][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3445.625001][ T10] netdev_get_by_index+0x5e/0x80 [ 3445.625001][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3445.625001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3445.625001][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3445.625001][ T10] ipv6_add_addr+0x411/0x2000 [ 3445.625001][ T10] inet6_addr_add+0x30e/0xa40 [ 3445.625001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.625001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.625001][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.625001][ T10] netlink_unicast+0x449/0x710 [ 3445.625001][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.625001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.625001][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.625001][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.625001][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.625001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.625001][ T10] [ 3445.626966][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3445.626966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3445.626966][ T10] ipv6_find_idev+0x102/0x170 [ 3445.626966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.626966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.626966][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.626966][ T10] netlink_unicast+0x449/0x710 [ 3445.626966][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.626966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.626966][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.626966][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.626966][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.626966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.626966][ T10] [ 3445.628466][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3445.628466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3445.628466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3445.628466][ T10] ipv6_find_idev+0x102/0x170 [ 3445.628466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.628466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.628466][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.628466][ T10] netlink_unicast+0x449/0x710 [ 3445.628466][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.628466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.628466][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.628466][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.628466][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.628466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.628466][ T10] [ 3445.630110][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3445.630367][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3445.630367][ T10] netdev_get_by_index+0x5e/0x80 [ 3445.630367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3445.630367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3445.630367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3445.630367][ T10] ipv6_add_addr+0x411/0x2000 [ 3445.630367][ T10] inet6_addr_add+0x30e/0xa40 [ 3445.630367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.630367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.630367][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.630367][ T10] netlink_unicast+0x449/0x710 [ 3445.630367][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.630367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.630367][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.630367][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.630367][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.630367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.630367][ T10] [ 3445.632269][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3445.632269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3445.632269][ T10] ipv6_find_idev+0x102/0x170 [ 3445.632269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.632269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.632269][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.632269][ T10] netlink_unicast+0x449/0x710 [ 3445.632269][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.632269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.632269][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.632269][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.632269][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.632269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.632269][ T10] [ 3445.633735][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3445.633735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3445.633735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3445.633735][ T10] ipv6_find_idev+0x102/0x170 [ 3445.633735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.633735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.633735][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.633735][ T10] netlink_unicast+0x449/0x710 [ 3445.633735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.633735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.633735][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.633735][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.633735][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.633735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.633735][ T10] [ 3445.635330][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3445.635580][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3445.635580][ T10] netdev_get_by_index+0x5e/0x80 [ 3445.635580][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3445.635580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3445.635580][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3445.635580][ T10] ipv6_add_addr+0x411/0x2000 [ 3445.635580][ T10] inet6_addr_add+0x30e/0xa40 [ 3445.635580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.635580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.635580][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.635580][ T10] netlink_unicast+0x449/0x710 [ 3445.635580][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.635580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.635580][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.635580][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.635580][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.635580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.635580][ T10] [ 3445.637645][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3445.637645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3445.637645][ T10] ipv6_find_idev+0x102/0x170 [ 3445.637645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.637645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.637645][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.637645][ T10] netlink_unicast+0x449/0x710 [ 3445.637645][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.637645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.637645][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.637645][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.637645][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.637645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.637645][ T10] [ 3445.639193][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3445.639193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3445.639193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3445.639193][ T10] ipv6_find_idev+0x102/0x170 [ 3445.639193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.639193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.639193][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.639193][ T10] netlink_unicast+0x449/0x710 [ 3445.639193][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.639193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.639193][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.639193][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.639193][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.639193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.639193][ T10] [ 3445.640869][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3445.641127][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3445.641127][ T10] netdev_get_by_index+0x5e/0x80 [ 3445.641127][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3445.641127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3445.641127][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3445.641127][ T10] ipv6_add_addr+0x411/0x2000 [ 3445.641127][ T10] inet6_addr_add+0x30e/0xa40 [ 3445.641127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.641127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.641127][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.641127][ T10] netlink_unicast+0x449/0x710 [ 3445.641127][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.641127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.641127][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.641127][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.641127][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.641127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.641127][ T10] [ 3445.643096][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3445.643096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3445.643096][ T10] ipv6_find_idev+0x102/0x170 [ 3445.643096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.643096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.643096][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.643096][ T10] netlink_unicast+0x449/0x710 [ 3445.643096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.643096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.643096][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.643096][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.643096][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.643096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.643096][ T10] [ 3445.644606][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3445.644606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3445.644606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3445.644606][ T10] ipv6_find_idev+0x102/0x170 [ 3445.644606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.644606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.644606][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.644606][ T10] netlink_unicast+0x449/0x710 [ 3445.644606][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.644606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.644606][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.644606][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.644606][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.644606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.644606][ T10] [ 3445.646252][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3445.646514][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3445.646514][ T10] netdev_get_by_index+0x5e/0x80 [ 3445.646514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3445.646514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3445.646514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3445.646514][ T10] ipv6_add_addr+0x411/0x2000 [ 3445.646514][ T10] inet6_addr_add+0x30e/0xa40 [ 3445.646514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.646514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.646514][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.646514][ T10] netlink_unicast+0x449/0x710 [ 3445.646514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.646514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.646514][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.646514][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.646514][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.646514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.646514][ T10] [ 3445.648463][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3445.648463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3445.648463][ T10] ipv6_find_idev+0x102/0x170 [ 3445.648463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.648463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.648463][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.648463][ T10] netlink_unicast+0x449/0x710 [ 3445.648463][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.648463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.648463][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.648463][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.648463][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.648463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.648463][ T10] [ 3445.650108][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3445.650108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3445.650108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3445.650108][ T10] ipv6_find_idev+0x102/0x170 [ 3445.650108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.650108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.650108][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.650108][ T10] netlink_unicast+0x449/0x710 [ 3445.650108][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.650108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.650108][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.650108][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.650108][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.650108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.650108][ T10] [ 3445.652394][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3445.652651][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3445.652651][ T10] netdev_get_by_index+0x5e/0x80 [ 3445.652651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3445.652651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3445.652651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3445.652651][ T10] ipv6_add_addr+0x411/0x2000 [ 3445.652651][ T10] inet6_addr_add+0x30e/0xa40 [ 3445.652651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.652651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.652651][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.652651][ T10] netlink_unicast+0x449/0x710 [ 3445.652651][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.652651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.652651][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.652651][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.652651][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.652651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.652651][ T10] [ 3445.654595][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3445.654595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3445.654595][ T10] ipv6_find_idev+0x102/0x170 [ 3445.654595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.654595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.654595][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.654595][ T10] netlink_unicast+0x449/0x710 [ 3445.654595][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.654595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.654595][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.654595][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.654595][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.654595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.654595][ T10] [ 3445.656151][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3445.656151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3445.656151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3445.656151][ T10] ipv6_find_idev+0x102/0x170 [ 3445.656151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.656151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.656151][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.656151][ T10] netlink_unicast+0x449/0x710 [ 3445.656151][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.656151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.656151][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.656151][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.656151][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.656151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.656151][ T10] [ 3445.658085][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3445.658404][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3445.658404][ T10] netdev_get_by_index+0x5e/0x80 [ 3445.658404][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3445.658404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3445.658404][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3445.658404][ T10] ipv6_add_addr+0x411/0x2000 [ 3445.658404][ T10] inet6_addr_add+0x30e/0xa40 [ 3445.658404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.658404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.658404][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.658404][ T10] netlink_unicast+0x449/0x710 [ 3445.658404][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.658404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.658404][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.658404][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.658404][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.658404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.658404][ T10] [ 3445.660522][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3445.660522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3445.660522][ T10] ipv6_find_idev+0x102/0x170 [ 3445.660522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.660522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.660522][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.660522][ T10] netlink_unicast+0x449/0x710 [ 3445.660522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.660522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.660522][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.660522][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.660522][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.660522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.660522][ T10] [ 3445.662126][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3445.662126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3445.662126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3445.662126][ T10] ipv6_find_idev+0x102/0x170 [ 3445.662126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.662126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.662126][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.662126][ T10] netlink_unicast+0x449/0x710 [ 3445.662126][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.662126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.662126][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.662126][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.662126][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.662126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.662126][ T10] [ 3445.664048][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3445.664362][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3445.664362][ T10] netdev_get_by_index+0x5e/0x80 [ 3445.664362][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3445.664362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3445.664362][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3445.664362][ T10] ipv6_add_addr+0x411/0x2000 [ 3445.664362][ T10] inet6_addr_add+0x30e/0xa40 [ 3445.664362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3445.664362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.664362][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.664362][ T10] netlink_unicast+0x449/0x710 [ 3445.664362][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.664362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.664362][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.664362][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.664362][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.664362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.664362][ T10] [ 3445.666554][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3445.666554][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3445.666554][ T10] ipv6_find_idev+0x102/0x170 [ 3445.666554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.666554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.666554][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.666554][ T10] netlink_unicast+0x449/0x710 [ 3445.666554][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.666554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.666554][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.666554][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.666554][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.666554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.666554][ T10] [ 3445.668249][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3445.668249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3445.668249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3445.668249][ T10] ipv6_find_idev+0x102/0x170 [ 3445.668249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3445.668249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3445.668249][ T10] netlink_rcv_skb+0x130/0x360 [ 3445.668249][ T10] netlink_unicast+0x449/0x710 [ 3445.668249][ T10] netlink_sendmsg+0x723/0xbe0 [ 3445.668249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3445.668249][ T10] ___sys_sendmsg+0xee/0x170 [ 3445.668249][ T10] __sys_sendmsg+0xcd/0x170 [ 3445.668249][ T10] do_syscall_64+0xc6/0x1e0 [ 3445.668249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3445.668249][ T10] [ 3455.912278][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3455.913135][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3455.913135][ T10] netdev_get_by_index+0x5e/0x80 [ 3455.913135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3455.913135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3455.913135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3455.913135][ T10] ipv6_add_addr+0x411/0x2000 [ 3455.913135][ T10] inet6_addr_add+0x30e/0xa40 [ 3455.913135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.913135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.913135][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.913135][ T10] netlink_unicast+0x449/0x710 [ 3455.913135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.913135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.913135][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.913135][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.913135][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.913135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.913135][ T10] [ 3455.915057][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3455.915057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3455.915057][ T10] ipv6_find_idev+0x102/0x170 [ 3455.915057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.915057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.915057][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.915057][ T10] netlink_unicast+0x449/0x710 [ 3455.915057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.915057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.915057][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.915057][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.915057][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.915057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.915057][ T10] [ 3455.916540][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3455.916540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3455.916540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3455.916540][ T10] ipv6_find_idev+0x102/0x170 [ 3455.916540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.916540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.916540][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.916540][ T10] netlink_unicast+0x449/0x710 [ 3455.916540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.916540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.916540][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.916540][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.916540][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.916540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.916540][ T10] [ 3455.918675][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3455.918962][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3455.918962][ T10] netdev_get_by_index+0x5e/0x80 [ 3455.918962][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3455.918962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3455.918962][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3455.918962][ T10] ipv6_add_addr+0x411/0x2000 [ 3455.918962][ T10] inet6_addr_add+0x30e/0xa40 [ 3455.918962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.918962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.918962][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.918962][ T10] netlink_unicast+0x449/0x710 [ 3455.918962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.918962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.918962][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.918962][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.918962][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.918962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.918962][ T10] [ 3455.920931][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3455.920931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3455.920931][ T10] ipv6_find_idev+0x102/0x170 [ 3455.920931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.920931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.920931][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.920931][ T10] netlink_unicast+0x449/0x710 [ 3455.920931][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.920931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.920931][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.920931][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.920931][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.920931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.920931][ T10] [ 3455.922449][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3455.922449][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3455.922449][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3455.922449][ T10] ipv6_find_idev+0x102/0x170 [ 3455.922449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.922449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.922449][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.922449][ T10] netlink_unicast+0x449/0x710 [ 3455.922449][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.922449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.922449][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.922449][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.922449][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.922449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.922449][ T10] [ 3455.924062][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3455.924323][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3455.924323][ T10] netdev_get_by_index+0x5e/0x80 [ 3455.924323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3455.924323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3455.924323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3455.924323][ T10] ipv6_add_addr+0x411/0x2000 [ 3455.924323][ T10] inet6_addr_add+0x30e/0xa40 [ 3455.924323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.924323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.924323][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.924323][ T10] netlink_unicast+0x449/0x710 [ 3455.924323][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.924323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.924323][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.924323][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.924323][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.924323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.924323][ T10] [ 3455.926264][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3455.926264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3455.926264][ T10] ipv6_find_idev+0x102/0x170 [ 3455.926264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.926264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.926264][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.926264][ T10] netlink_unicast+0x449/0x710 [ 3455.926264][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.926264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.926264][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.926264][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.926264][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.926264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.926264][ T10] [ 3455.927748][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3455.927748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3455.927748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3455.927748][ T10] ipv6_find_idev+0x102/0x170 [ 3455.927748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.927748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.927748][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.927748][ T10] netlink_unicast+0x449/0x710 [ 3455.927748][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.927748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.927748][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.927748][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.927748][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.927748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.927748][ T10] [ 3455.929381][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3455.929637][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3455.929637][ T10] netdev_get_by_index+0x5e/0x80 [ 3455.929637][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3455.929637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3455.929637][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3455.929637][ T10] ipv6_add_addr+0x411/0x2000 [ 3455.929637][ T10] inet6_addr_add+0x30e/0xa40 [ 3455.929637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.929637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.929637][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.929637][ T10] netlink_unicast+0x449/0x710 [ 3455.929637][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.929637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.929637][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.929637][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.929637][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.929637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.929637][ T10] [ 3455.931573][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3455.931573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3455.931573][ T10] ipv6_find_idev+0x102/0x170 [ 3455.931573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.931573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.931573][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.931573][ T10] netlink_unicast+0x449/0x710 [ 3455.931573][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.931573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.931573][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.931573][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.931573][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.931573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.931573][ T10] [ 3455.933100][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3455.933100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3455.933100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3455.933100][ T10] ipv6_find_idev+0x102/0x170 [ 3455.933100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.933100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.933100][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.933100][ T10] netlink_unicast+0x449/0x710 [ 3455.933100][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.933100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.933100][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.933100][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.933100][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.933100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.933100][ T10] [ 3455.935151][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3455.935411][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3455.935411][ T10] netdev_get_by_index+0x5e/0x80 [ 3455.935411][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3455.935411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3455.935411][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3455.935411][ T10] ipv6_add_addr+0x411/0x2000 [ 3455.935411][ T10] inet6_addr_add+0x30e/0xa40 [ 3455.935411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.935411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.935411][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.935411][ T10] netlink_unicast+0x449/0x710 [ 3455.935411][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.935411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.935411][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.935411][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.935411][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.935411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.935411][ T10] [ 3455.937351][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3455.937351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3455.937351][ T10] ipv6_find_idev+0x102/0x170 [ 3455.937351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.937351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.937351][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.937351][ T10] netlink_unicast+0x449/0x710 [ 3455.937351][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.937351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.937351][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.937351][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.937351][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.937351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.937351][ T10] [ 3455.938877][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3455.938877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3455.938877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3455.938877][ T10] ipv6_find_idev+0x102/0x170 [ 3455.938877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.938877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.938877][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.938877][ T10] netlink_unicast+0x449/0x710 [ 3455.938877][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.938877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.938877][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.938877][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.938877][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.938877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.938877][ T10] [ 3455.940546][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3455.940805][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3455.940805][ T10] netdev_get_by_index+0x5e/0x80 [ 3455.940805][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3455.940805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3455.940805][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3455.940805][ T10] ipv6_add_addr+0x411/0x2000 [ 3455.940805][ T10] inet6_addr_add+0x30e/0xa40 [ 3455.940805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.940805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.940805][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.940805][ T10] netlink_unicast+0x449/0x710 [ 3455.940805][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.940805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.940805][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.940805][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.940805][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.940805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.940805][ T10] [ 3455.942953][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3455.942953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3455.942953][ T10] ipv6_find_idev+0x102/0x170 [ 3455.942953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.942953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.942953][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.942953][ T10] netlink_unicast+0x449/0x710 [ 3455.942953][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.942953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.942953][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.942953][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.942953][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.942953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.942953][ T10] [ 3455.944712][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3455.944712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3455.944712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3455.944712][ T10] ipv6_find_idev+0x102/0x170 [ 3455.944712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.944712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.944712][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.944712][ T10] netlink_unicast+0x449/0x710 [ 3455.944712][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.944712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.944712][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.944712][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.944712][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.944712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.944712][ T10] [ 3455.946581][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3455.946838][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3455.946838][ T10] netdev_get_by_index+0x5e/0x80 [ 3455.946838][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3455.946838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3455.946838][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3455.946838][ T10] ipv6_add_addr+0x411/0x2000 [ 3455.946838][ T10] inet6_addr_add+0x30e/0xa40 [ 3455.946838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.946838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.946838][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.946838][ T10] netlink_unicast+0x449/0x710 [ 3455.946838][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.946838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.946838][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.946838][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.946838][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.946838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.946838][ T10] [ 3455.949071][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3455.949071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3455.949071][ T10] ipv6_find_idev+0x102/0x170 [ 3455.949071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.949071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.949071][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.949071][ T10] netlink_unicast+0x449/0x710 [ 3455.949071][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.949071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.949071][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.949071][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.949071][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.949071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.949071][ T10] [ 3455.950681][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3455.950681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3455.950681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3455.950681][ T10] ipv6_find_idev+0x102/0x170 [ 3455.950681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.950681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.950681][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.950681][ T10] netlink_unicast+0x449/0x710 [ 3455.950681][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.950681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.950681][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.950681][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.950681][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.950681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.950681][ T10] [ 3455.952637][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3455.952896][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3455.952896][ T10] netdev_get_by_index+0x5e/0x80 [ 3455.952896][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3455.952896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3455.952896][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3455.952896][ T10] ipv6_add_addr+0x411/0x2000 [ 3455.952896][ T10] inet6_addr_add+0x30e/0xa40 [ 3455.952896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3455.952896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.952896][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.952896][ T10] netlink_unicast+0x449/0x710 [ 3455.952896][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.952896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.952896][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.952896][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.952896][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.952896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.952896][ T10] [ 3455.955062][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3455.955062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3455.955062][ T10] ipv6_find_idev+0x102/0x170 [ 3455.955062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.955062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.955062][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.955062][ T10] netlink_unicast+0x449/0x710 [ 3455.955062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.955062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.955062][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.955062][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.955062][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.955062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.955062][ T10] [ 3455.956701][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3455.956701][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3455.956701][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3455.956701][ T10] ipv6_find_idev+0x102/0x170 [ 3455.956701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3455.956701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3455.956701][ T10] netlink_rcv_skb+0x130/0x360 [ 3455.956701][ T10] netlink_unicast+0x449/0x710 [ 3455.956701][ T10] netlink_sendmsg+0x723/0xbe0 [ 3455.956701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3455.956701][ T10] ___sys_sendmsg+0xee/0x170 [ 3455.956701][ T10] __sys_sendmsg+0xcd/0x170 [ 3455.956701][ T10] do_syscall_64+0xc6/0x1e0 [ 3455.956701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3455.956701][ T10] [ 3466.200322][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3466.201135][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3466.201135][ T10] netdev_get_by_index+0x5e/0x80 [ 3466.201135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3466.201135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3466.201135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3466.201135][ T10] ipv6_add_addr+0x411/0x2000 [ 3466.201135][ T10] inet6_addr_add+0x30e/0xa40 [ 3466.201135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3466.201135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.201135][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.201135][ T10] netlink_unicast+0x449/0x710 [ 3466.201135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.201135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.201135][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.201135][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.201135][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.201135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.201135][ T10] [ 3466.203161][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3466.203161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3466.203161][ T10] ipv6_find_idev+0x102/0x170 [ 3466.203161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.203161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.203161][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.203161][ T10] netlink_unicast+0x449/0x710 [ 3466.203161][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.203161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.203161][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.203161][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.203161][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.203161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.203161][ T10] [ 3466.204714][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3466.204714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3466.204714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3466.204714][ T10] ipv6_find_idev+0x102/0x170 [ 3466.204714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.204714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.204714][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.204714][ T10] netlink_unicast+0x449/0x710 [ 3466.204714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.204714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.204714][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.204714][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.204714][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.204714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.204714][ T10] [ 3466.206392][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3466.206692][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3466.206692][ T10] netdev_get_by_index+0x5e/0x80 [ 3466.206692][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3466.206692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3466.206692][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3466.206692][ T10] ipv6_add_addr+0x411/0x2000 [ 3466.206692][ T10] inet6_addr_add+0x30e/0xa40 [ 3466.206692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3466.206692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.206692][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.206692][ T10] netlink_unicast+0x449/0x710 [ 3466.206692][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.206692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.206692][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.206692][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.206692][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.206692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.206692][ T10] [ 3466.208685][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3466.208685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3466.208685][ T10] ipv6_find_idev+0x102/0x170 [ 3466.208685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.208685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.208685][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.208685][ T10] netlink_unicast+0x449/0x710 [ 3466.208685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.208685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.208685][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.208685][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.208685][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.208685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.208685][ T10] [ 3466.210324][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3466.210324][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3466.210324][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3466.210324][ T10] ipv6_find_idev+0x102/0x170 [ 3466.210324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.210324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.210324][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.210324][ T10] netlink_unicast+0x449/0x710 [ 3466.210324][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.210324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.210324][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.210324][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.210324][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.210324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.210324][ T10] [ 3466.212004][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3466.212282][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3466.212282][ T10] netdev_get_by_index+0x5e/0x80 [ 3466.212282][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3466.212282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3466.212282][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3466.212282][ T10] ipv6_add_addr+0x411/0x2000 [ 3466.212282][ T10] inet6_addr_add+0x30e/0xa40 [ 3466.212282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3466.212282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.212282][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.212282][ T10] netlink_unicast+0x449/0x710 [ 3466.212282][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.212282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.212282][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.212282][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.212282][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.212282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.212282][ T10] [ 3466.214268][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3466.214268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3466.214268][ T10] ipv6_find_idev+0x102/0x170 [ 3466.214268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.214268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.214268][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.214268][ T10] netlink_unicast+0x449/0x710 [ 3466.214268][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.214268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.214268][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.214268][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.214268][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.214268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.214268][ T10] [ 3466.215786][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3466.215786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3466.215786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3466.215786][ T10] ipv6_find_idev+0x102/0x170 [ 3466.215786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.215786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.215786][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.215786][ T10] netlink_unicast+0x449/0x710 [ 3466.215786][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.215786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.215786][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.215786][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.215786][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.215786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.215786][ T10] [ 3466.217456][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3466.217740][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3466.217740][ T10] netdev_get_by_index+0x5e/0x80 [ 3466.217740][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3466.217740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3466.217740][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3466.217740][ T10] ipv6_add_addr+0x411/0x2000 [ 3466.217740][ T10] inet6_addr_add+0x30e/0xa40 [ 3466.217740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3466.217740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.217740][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.217740][ T10] netlink_unicast+0x449/0x710 [ 3466.217740][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.217740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.217740][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.217740][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.217740][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.217740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.217740][ T10] [ 3466.219731][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3466.219731][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3466.219731][ T10] ipv6_find_idev+0x102/0x170 [ 3466.219731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.219731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.219731][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.219731][ T10] netlink_unicast+0x449/0x710 [ 3466.219731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.219731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.219731][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.219731][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.219731][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.219731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.219731][ T10] [ 3466.221262][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3466.221262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3466.221262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3466.221262][ T10] ipv6_find_idev+0x102/0x170 [ 3466.221262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.221262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.221262][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.221262][ T10] netlink_unicast+0x449/0x710 [ 3466.221262][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.221262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.221262][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.221262][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.221262][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.221262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.221262][ T10] [ 3466.222975][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3466.223309][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3466.223309][ T10] netdev_get_by_index+0x5e/0x80 [ 3466.223309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3466.223309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3466.223309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3466.223309][ T10] ipv6_add_addr+0x411/0x2000 [ 3466.223309][ T10] inet6_addr_add+0x30e/0xa40 [ 3466.223309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3466.223309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.223309][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.223309][ T10] netlink_unicast+0x449/0x710 [ 3466.223309][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.223309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.223309][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.223309][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.223309][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.223309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.223309][ T10] [ 3466.225275][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3466.225275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3466.225275][ T10] ipv6_find_idev+0x102/0x170 [ 3466.225275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.225275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.225275][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.225275][ T10] netlink_unicast+0x449/0x710 [ 3466.225275][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.225275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.225275][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.225275][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.225275][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.225275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.225275][ T10] [ 3466.226794][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3466.226794][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3466.226794][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3466.226794][ T10] ipv6_find_idev+0x102/0x170 [ 3466.226794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.226794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.226794][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.226794][ T10] netlink_unicast+0x449/0x710 [ 3466.226794][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.226794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.226794][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.226794][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.226794][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.226794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.226794][ T10] [ 3466.228733][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3466.228992][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3466.228992][ T10] netdev_get_by_index+0x5e/0x80 [ 3466.228992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3466.228992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3466.228992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3466.228992][ T10] ipv6_add_addr+0x411/0x2000 [ 3466.228992][ T10] inet6_addr_add+0x30e/0xa40 [ 3466.228992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3466.228992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.228992][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.228992][ T10] netlink_unicast+0x449/0x710 [ 3466.228992][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.228992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.228992][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.228992][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.228992][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.228992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.228992][ T10] [ 3466.231176][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3466.231176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3466.231176][ T10] ipv6_find_idev+0x102/0x170 [ 3466.231176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.231176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.231176][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.231176][ T10] netlink_unicast+0x449/0x710 [ 3466.231176][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.231176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.231176][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.231176][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.231176][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.231176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.231176][ T10] [ 3466.232817][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3466.232817][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3466.232817][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3466.232817][ T10] ipv6_find_idev+0x102/0x170 [ 3466.232817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.232817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.232817][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.232817][ T10] netlink_unicast+0x449/0x710 [ 3466.232817][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.232817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.232817][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.232817][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.232817][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.232817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.232817][ T10] [ 3466.234683][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3466.234949][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3466.234949][ T10] netdev_get_by_index+0x5e/0x80 [ 3466.234949][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3466.234949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3466.234949][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3466.234949][ T10] ipv6_add_addr+0x411/0x2000 [ 3466.234949][ T10] inet6_addr_add+0x30e/0xa40 [ 3466.234949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3466.234949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.234949][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.234949][ T10] netlink_unicast+0x449/0x710 [ 3466.234949][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.234949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.234949][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.234949][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.234949][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.234949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.234949][ T10] [ 3466.237083][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3466.237083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3466.237083][ T10] ipv6_find_idev+0x102/0x170 [ 3466.237083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.237083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.237083][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.237083][ T10] netlink_unicast+0x449/0x710 [ 3466.237083][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.237083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.237083][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.237083][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.237083][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.237083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.237083][ T10] [ 3466.238781][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3466.238781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3466.238781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3466.238781][ T10] ipv6_find_idev+0x102/0x170 [ 3466.238781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.238781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.238781][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.238781][ T10] netlink_unicast+0x449/0x710 [ 3466.238781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.238781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.238781][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.238781][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.238781][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.238781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.238781][ T10] [ 3466.240716][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3466.240977][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3466.240977][ T10] netdev_get_by_index+0x5e/0x80 [ 3466.240977][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3466.240977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3466.240977][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3466.240977][ T10] ipv6_add_addr+0x411/0x2000 [ 3466.240977][ T10] inet6_addr_add+0x30e/0xa40 [ 3466.240977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3466.240977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.240977][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.240977][ T10] netlink_unicast+0x449/0x710 [ 3466.240977][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.240977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.240977][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.240977][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.240977][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.240977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.240977][ T10] [ 3466.243185][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3466.243185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3466.243185][ T10] ipv6_find_idev+0x102/0x170 [ 3466.243185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.243185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.243185][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.243185][ T10] netlink_unicast+0x449/0x710 [ 3466.243185][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.243185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.243185][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.243185][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.243185][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.243185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.243185][ T10] [ 3466.244879][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3466.244879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3466.244879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3466.244879][ T10] ipv6_find_idev+0x102/0x170 [ 3466.244879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3466.244879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3466.244879][ T10] netlink_rcv_skb+0x130/0x360 [ 3466.244879][ T10] netlink_unicast+0x449/0x710 [ 3466.244879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3466.244879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3466.244879][ T10] ___sys_sendmsg+0xee/0x170 [ 3466.244879][ T10] __sys_sendmsg+0xcd/0x170 [ 3466.244879][ T10] do_syscall_64+0xc6/0x1e0 [ 3466.244879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3466.244879][ T10] [ 3476.488289][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3476.488775][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3476.488775][ T10] netdev_get_by_index+0x5e/0x80 [ 3476.488775][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3476.488775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3476.488775][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3476.488775][ T10] ipv6_add_addr+0x411/0x2000 [ 3476.488775][ T10] inet6_addr_add+0x30e/0xa40 [ 3476.488775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3476.488775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.488775][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.488775][ T10] netlink_unicast+0x449/0x710 [ 3476.488775][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.488775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.488775][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.488775][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.488775][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.488775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.488775][ T10] [ 3476.490691][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3476.490691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3476.490691][ T10] ipv6_find_idev+0x102/0x170 [ 3476.490691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.490691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.490691][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.490691][ T10] netlink_unicast+0x449/0x710 [ 3476.490691][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.490691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.490691][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.490691][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.490691][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.490691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.490691][ T10] [ 3476.492163][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3476.492163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3476.492163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3476.492163][ T10] ipv6_find_idev+0x102/0x170 [ 3476.492163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.492163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.492163][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.492163][ T10] netlink_unicast+0x449/0x710 [ 3476.492163][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.492163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.492163][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.492163][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.492163][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.492163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.492163][ T10] [ 3476.493785][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3476.494067][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3476.494067][ T10] netdev_get_by_index+0x5e/0x80 [ 3476.494067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3476.494067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3476.494067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3476.494067][ T10] ipv6_add_addr+0x411/0x2000 [ 3476.494067][ T10] inet6_addr_add+0x30e/0xa40 [ 3476.494067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3476.494067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.494067][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.494067][ T10] netlink_unicast+0x449/0x710 [ 3476.494067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.494067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.494067][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.494067][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.494067][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.494067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.494067][ T10] [ 3476.496049][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3476.496049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3476.496049][ T10] ipv6_find_idev+0x102/0x170 [ 3476.496049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.496049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.496049][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.496049][ T10] netlink_unicast+0x449/0x710 [ 3476.496049][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.496049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.496049][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.496049][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.496049][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.496049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.496049][ T10] [ 3476.497556][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3476.497556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3476.497556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3476.497556][ T10] ipv6_find_idev+0x102/0x170 [ 3476.497556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.497556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.497556][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.497556][ T10] netlink_unicast+0x449/0x710 [ 3476.497556][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.497556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.497556][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.497556][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.497556][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.497556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.497556][ T10] [ 3476.499216][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3476.499477][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3476.499477][ T10] netdev_get_by_index+0x5e/0x80 [ 3476.499477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3476.499477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3476.499477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3476.499477][ T10] ipv6_add_addr+0x411/0x2000 [ 3476.499477][ T10] inet6_addr_add+0x30e/0xa40 [ 3476.499477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3476.499477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.499477][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.499477][ T10] netlink_unicast+0x449/0x710 [ 3476.499477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.499477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.499477][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.499477][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.499477][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.499477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.499477][ T10] [ 3476.501456][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3476.501456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3476.501456][ T10] ipv6_find_idev+0x102/0x170 [ 3476.501456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.501456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.501456][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.501456][ T10] netlink_unicast+0x449/0x710 [ 3476.501456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.501456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.501456][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.501456][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.501456][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.501456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.501456][ T10] [ 3476.502964][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3476.502964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3476.502964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3476.502964][ T10] ipv6_find_idev+0x102/0x170 [ 3476.502964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.502964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.502964][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.502964][ T10] netlink_unicast+0x449/0x710 [ 3476.502964][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.502964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.502964][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.502964][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.502964][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.502964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.502964][ T10] [ 3476.504610][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3476.504869][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3476.504869][ T10] netdev_get_by_index+0x5e/0x80 [ 3476.504869][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3476.504869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3476.504869][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3476.504869][ T10] ipv6_add_addr+0x411/0x2000 [ 3476.504869][ T10] inet6_addr_add+0x30e/0xa40 [ 3476.504869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3476.504869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.504869][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.504869][ T10] netlink_unicast+0x449/0x710 [ 3476.504869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.504869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.504869][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.504869][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.504869][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.504869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.504869][ T10] [ 3476.506859][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3476.506859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3476.506859][ T10] ipv6_find_idev+0x102/0x170 [ 3476.506859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.506859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.506859][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.506859][ T10] netlink_unicast+0x449/0x710 [ 3476.506859][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.506859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.506859][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.506859][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.506859][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.506859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.506859][ T10] [ 3476.508367][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3476.508367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3476.508367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3476.508367][ T10] ipv6_find_idev+0x102/0x170 [ 3476.508367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.508367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.508367][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.508367][ T10] netlink_unicast+0x449/0x710 [ 3476.508367][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.508367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.508367][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.508367][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.508367][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.508367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.508367][ T10] [ 3476.510431][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3476.510690][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3476.510690][ T10] netdev_get_by_index+0x5e/0x80 [ 3476.510690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3476.510690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3476.510690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3476.510690][ T10] ipv6_add_addr+0x411/0x2000 [ 3476.510690][ T10] inet6_addr_add+0x30e/0xa40 [ 3476.510690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3476.510690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.510690][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.510690][ T10] netlink_unicast+0x449/0x710 [ 3476.510690][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.510690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.510690][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.510690][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.510690][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.510690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.510690][ T10] [ 3476.512645][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3476.512645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3476.512645][ T10] ipv6_find_idev+0x102/0x170 [ 3476.512645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.512645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.512645][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.512645][ T10] netlink_unicast+0x449/0x710 [ 3476.512645][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.512645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.512645][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.512645][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.512645][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.512645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.512645][ T10] [ 3476.514146][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3476.514146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3476.514146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3476.514146][ T10] ipv6_find_idev+0x102/0x170 [ 3476.514146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.514146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.514146][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.514146][ T10] netlink_unicast+0x449/0x710 [ 3476.514146][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.514146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.514146][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.514146][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.514146][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.514146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.514146][ T10] [ 3476.515832][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3476.516101][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3476.516101][ T10] netdev_get_by_index+0x5e/0x80 [ 3476.516101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3476.516101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3476.516101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3476.516101][ T10] ipv6_add_addr+0x411/0x2000 [ 3476.516101][ T10] inet6_addr_add+0x30e/0xa40 [ 3476.516101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3476.516101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.516101][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.516101][ T10] netlink_unicast+0x449/0x710 [ 3476.516101][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.516101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.516101][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.516101][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.516101][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.516101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.516101][ T10] [ 3476.518229][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3476.518229][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3476.518229][ T10] ipv6_find_idev+0x102/0x170 [ 3476.518229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.518229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.518229][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.518229][ T10] netlink_unicast+0x449/0x710 [ 3476.518229][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.518229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.518229][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.518229][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.518229][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.518229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.518229][ T10] [ 3476.519987][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3476.519987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3476.519987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3476.519987][ T10] ipv6_find_idev+0x102/0x170 [ 3476.519987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.519987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.519987][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.519987][ T10] netlink_unicast+0x449/0x710 [ 3476.519987][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.519987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.519987][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.519987][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.519987][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.519987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.519987][ T10] [ 3476.521846][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3476.522103][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3476.522103][ T10] netdev_get_by_index+0x5e/0x80 [ 3476.522103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3476.522103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3476.522103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3476.522103][ T10] ipv6_add_addr+0x411/0x2000 [ 3476.522103][ T10] inet6_addr_add+0x30e/0xa40 [ 3476.522103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3476.522103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.522103][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.522103][ T10] netlink_unicast+0x449/0x710 [ 3476.522103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.522103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.522103][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.522103][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.522103][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.522103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.522103][ T10] [ 3476.524291][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3476.524291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3476.524291][ T10] ipv6_find_idev+0x102/0x170 [ 3476.524291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.524291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.524291][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.524291][ T10] netlink_unicast+0x449/0x710 [ 3476.524291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.524291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.524291][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.524291][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.524291][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.524291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.524291][ T10] [ 3476.525908][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3476.525908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3476.525908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3476.525908][ T10] ipv6_find_idev+0x102/0x170 [ 3476.525908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.525908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.525908][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.525908][ T10] netlink_unicast+0x449/0x710 [ 3476.525908][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.525908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.525908][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.525908][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.525908][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.525908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.525908][ T10] [ 3476.527830][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3476.528087][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3476.528087][ T10] netdev_get_by_index+0x5e/0x80 [ 3476.528087][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3476.528087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3476.528087][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3476.528087][ T10] ipv6_add_addr+0x411/0x2000 [ 3476.528087][ T10] inet6_addr_add+0x30e/0xa40 [ 3476.528087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3476.528087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.528087][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.528087][ T10] netlink_unicast+0x449/0x710 [ 3476.528087][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.528087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.528087][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.528087][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.528087][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.528087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.528087][ T10] [ 3476.530272][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3476.530272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3476.530272][ T10] ipv6_find_idev+0x102/0x170 [ 3476.530272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.530272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.530272][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.530272][ T10] netlink_unicast+0x449/0x710 [ 3476.530272][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.530272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.530272][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.530272][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.530272][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.530272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.530272][ T10] [ 3476.531958][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3476.531958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3476.531958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3476.531958][ T10] ipv6_find_idev+0x102/0x170 [ 3476.531958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3476.531958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3476.531958][ T10] netlink_rcv_skb+0x130/0x360 [ 3476.531958][ T10] netlink_unicast+0x449/0x710 [ 3476.531958][ T10] netlink_sendmsg+0x723/0xbe0 [ 3476.531958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3476.531958][ T10] ___sys_sendmsg+0xee/0x170 [ 3476.531958][ T10] __sys_sendmsg+0xcd/0x170 [ 3476.531958][ T10] do_syscall_64+0xc6/0x1e0 [ 3476.531958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3476.531958][ T10] [ 3486.776206][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3486.776644][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3486.776644][ T10] netdev_get_by_index+0x5e/0x80 [ 3486.776644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3486.776644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3486.776644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3486.776644][ T10] ipv6_add_addr+0x411/0x2000 [ 3486.776644][ T10] inet6_addr_add+0x30e/0xa40 [ 3486.776644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.776644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.776644][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.776644][ T10] netlink_unicast+0x449/0x710 [ 3486.776644][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.776644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.776644][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.776644][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.776644][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.776644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.776644][ T10] [ 3486.778686][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3486.778686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3486.778686][ T10] ipv6_find_idev+0x102/0x170 [ 3486.778686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.778686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.778686][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.778686][ T10] netlink_unicast+0x449/0x710 [ 3486.778686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.778686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.778686][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.778686][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.778686][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.778686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.778686][ T10] [ 3486.780203][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3486.780203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3486.780203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3486.780203][ T10] ipv6_find_idev+0x102/0x170 [ 3486.780203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.780203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.780203][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.780203][ T10] netlink_unicast+0x449/0x710 [ 3486.780203][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.780203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.780203][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.780203][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.780203][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.780203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.780203][ T10] [ 3486.781886][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3486.782166][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3486.782166][ T10] netdev_get_by_index+0x5e/0x80 [ 3486.782166][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3486.782166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3486.782166][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3486.782166][ T10] ipv6_add_addr+0x411/0x2000 [ 3486.782166][ T10] inet6_addr_add+0x30e/0xa40 [ 3486.782166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.782166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.782166][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.782166][ T10] netlink_unicast+0x449/0x710 [ 3486.782166][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.782166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.782166][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.782166][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.782166][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.782166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.782166][ T10] [ 3486.784113][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3486.784113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3486.784113][ T10] ipv6_find_idev+0x102/0x170 [ 3486.784113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.784113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.784113][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.784113][ T10] netlink_unicast+0x449/0x710 [ 3486.784113][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.784113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.784113][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.784113][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.784113][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.784113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.784113][ T10] [ 3486.785623][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3486.785623][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3486.785623][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3486.785623][ T10] ipv6_find_idev+0x102/0x170 [ 3486.785623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.785623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.785623][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.785623][ T10] netlink_unicast+0x449/0x710 [ 3486.785623][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.785623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.785623][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.785623][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.785623][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.785623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.785623][ T10] [ 3486.787341][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3486.787605][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3486.787605][ T10] netdev_get_by_index+0x5e/0x80 [ 3486.787605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3486.787605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3486.787605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3486.787605][ T10] ipv6_add_addr+0x411/0x2000 [ 3486.787605][ T10] inet6_addr_add+0x30e/0xa40 [ 3486.787605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.787605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.787605][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.787605][ T10] netlink_unicast+0x449/0x710 [ 3486.787605][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.787605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.787605][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.787605][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.787605][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.787605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.787605][ T10] [ 3486.789601][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3486.789601][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3486.789601][ T10] ipv6_find_idev+0x102/0x170 [ 3486.789601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.789601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.789601][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.789601][ T10] netlink_unicast+0x449/0x710 [ 3486.789601][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.789601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.789601][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.789601][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.789601][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.789601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.789601][ T10] [ 3486.791143][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3486.791143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3486.791143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3486.791143][ T10] ipv6_find_idev+0x102/0x170 [ 3486.791143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.791143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.791143][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.791143][ T10] netlink_unicast+0x449/0x710 [ 3486.791143][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.791143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.791143][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.791143][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.791143][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.791143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.791143][ T10] [ 3486.792818][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3486.793075][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3486.793075][ T10] netdev_get_by_index+0x5e/0x80 [ 3486.793075][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3486.793075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3486.793075][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3486.793075][ T10] ipv6_add_addr+0x411/0x2000 [ 3486.793075][ T10] inet6_addr_add+0x30e/0xa40 [ 3486.793075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.793075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.793075][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.793075][ T10] netlink_unicast+0x449/0x710 [ 3486.793075][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.793075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.793075][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.793075][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.793075][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.793075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.793075][ T10] [ 3486.795067][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3486.795067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3486.795067][ T10] ipv6_find_idev+0x102/0x170 [ 3486.795067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.795067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.795067][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.795067][ T10] netlink_unicast+0x449/0x710 [ 3486.795067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.795067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.795067][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.795067][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.795067][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.795067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.795067][ T10] [ 3486.796570][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3486.796570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3486.796570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3486.796570][ T10] ipv6_find_idev+0x102/0x170 [ 3486.796570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.796570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.796570][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.796570][ T10] netlink_unicast+0x449/0x710 [ 3486.796570][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.796570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.796570][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.796570][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.796570][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.796570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.796570][ T10] [ 3486.798625][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3486.798888][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3486.798888][ T10] netdev_get_by_index+0x5e/0x80 [ 3486.798888][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3486.798888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3486.798888][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3486.798888][ T10] ipv6_add_addr+0x411/0x2000 [ 3486.798888][ T10] inet6_addr_add+0x30e/0xa40 [ 3486.798888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.798888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.798888][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.798888][ T10] netlink_unicast+0x449/0x710 [ 3486.798888][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.798888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.798888][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.798888][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.798888][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.798888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.798888][ T10] [ 3486.800829][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3486.800829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3486.800829][ T10] ipv6_find_idev+0x102/0x170 [ 3486.800829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.800829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.800829][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.800829][ T10] netlink_unicast+0x449/0x710 [ 3486.800829][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.800829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.800829][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.800829][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.800829][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.800829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.800829][ T10] [ 3486.802332][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3486.802332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3486.802332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3486.802332][ T10] ipv6_find_idev+0x102/0x170 [ 3486.802332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.802332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.802332][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.802332][ T10] netlink_unicast+0x449/0x710 [ 3486.802332][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.802332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.802332][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.802332][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.802332][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.802332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.802332][ T10] [ 3486.804023][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3486.804337][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3486.804337][ T10] netdev_get_by_index+0x5e/0x80 [ 3486.804337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3486.804337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3486.804337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3486.804337][ T10] ipv6_add_addr+0x411/0x2000 [ 3486.804337][ T10] inet6_addr_add+0x30e/0xa40 [ 3486.804337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.804337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.804337][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.804337][ T10] netlink_unicast+0x449/0x710 [ 3486.804337][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.804337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.804337][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.804337][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.804337][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.804337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.804337][ T10] [ 3486.806431][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3486.806431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3486.806431][ T10] ipv6_find_idev+0x102/0x170 [ 3486.806431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.806431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.806431][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.806431][ T10] netlink_unicast+0x449/0x710 [ 3486.806431][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.806431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.806431][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.806431][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.806431][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.806431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.806431][ T10] [ 3486.808173][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3486.808173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3486.808173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3486.808173][ T10] ipv6_find_idev+0x102/0x170 [ 3486.808173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.808173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.808173][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.808173][ T10] netlink_unicast+0x449/0x710 [ 3486.808173][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.808173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.808173][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.808173][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.808173][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.808173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.808173][ T10] [ 3486.810035][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3486.810345][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3486.810345][ T10] netdev_get_by_index+0x5e/0x80 [ 3486.810345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3486.810345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3486.810345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3486.810345][ T10] ipv6_add_addr+0x411/0x2000 [ 3486.810345][ T10] inet6_addr_add+0x30e/0xa40 [ 3486.810345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.810345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.810345][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.810345][ T10] netlink_unicast+0x449/0x710 [ 3486.810345][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.810345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.810345][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.810345][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.810345][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.810345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.810345][ T10] [ 3486.812472][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3486.812472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3486.812472][ T10] ipv6_find_idev+0x102/0x170 [ 3486.812472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.812472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.812472][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.812472][ T10] netlink_unicast+0x449/0x710 [ 3486.812472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.812472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.812472][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.812472][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.812472][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.812472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.812472][ T10] [ 3486.814151][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3486.814151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3486.814151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3486.814151][ T10] ipv6_find_idev+0x102/0x170 [ 3486.814151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.814151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.814151][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.814151][ T10] netlink_unicast+0x449/0x710 [ 3486.814151][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.814151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.814151][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.814151][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.814151][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.814151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.814151][ T10] [ 3486.816064][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3486.816381][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3486.816381][ T10] netdev_get_by_index+0x5e/0x80 [ 3486.816381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3486.816381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3486.816381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3486.816381][ T10] ipv6_add_addr+0x411/0x2000 [ 3486.816381][ T10] inet6_addr_add+0x30e/0xa40 [ 3486.816381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3486.816381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.816381][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.816381][ T10] netlink_unicast+0x449/0x710 [ 3486.816381][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.816381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.816381][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.816381][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.816381][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.816381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.816381][ T10] [ 3486.818577][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3486.818577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3486.818577][ T10] ipv6_find_idev+0x102/0x170 [ 3486.818577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.818577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.818577][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.818577][ T10] netlink_unicast+0x449/0x710 [ 3486.818577][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.818577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.818577][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.818577][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.818577][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.818577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.818577][ T10] [ 3486.820257][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3486.820257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3486.820257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3486.820257][ T10] ipv6_find_idev+0x102/0x170 [ 3486.820257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3486.820257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3486.820257][ T10] netlink_rcv_skb+0x130/0x360 [ 3486.820257][ T10] netlink_unicast+0x449/0x710 [ 3486.820257][ T10] netlink_sendmsg+0x723/0xbe0 [ 3486.820257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3486.820257][ T10] ___sys_sendmsg+0xee/0x170 [ 3486.820257][ T10] __sys_sendmsg+0xcd/0x170 [ 3486.820257][ T10] do_syscall_64+0xc6/0x1e0 [ 3486.820257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3486.820257][ T10] [ 3497.064206][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3497.064632][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3497.064632][ T10] netdev_get_by_index+0x5e/0x80 [ 3497.064632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3497.064632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3497.064632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3497.064632][ T10] ipv6_add_addr+0x411/0x2000 [ 3497.064632][ T10] inet6_addr_add+0x30e/0xa40 [ 3497.064632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.064632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.064632][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.064632][ T10] netlink_unicast+0x449/0x710 [ 3497.064632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.064632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.064632][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.064632][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.064632][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.064632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.064632][ T10] [ 3497.066600][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3497.066600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3497.066600][ T10] ipv6_find_idev+0x102/0x170 [ 3497.066600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.066600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.066600][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.066600][ T10] netlink_unicast+0x449/0x710 [ 3497.066600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.066600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.066600][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.066600][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.066600][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.066600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.066600][ T10] [ 3497.068114][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3497.068114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3497.068114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3497.068114][ T10] ipv6_find_idev+0x102/0x170 [ 3497.068114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.068114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.068114][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.068114][ T10] netlink_unicast+0x449/0x710 [ 3497.068114][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.068114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.068114][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.068114][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.068114][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.068114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.068114][ T10] [ 3497.069775][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3497.070039][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3497.070039][ T10] netdev_get_by_index+0x5e/0x80 [ 3497.070039][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3497.070039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3497.070039][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3497.070039][ T10] ipv6_add_addr+0x411/0x2000 [ 3497.070039][ T10] inet6_addr_add+0x30e/0xa40 [ 3497.070039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.070039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.070039][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.070039][ T10] netlink_unicast+0x449/0x710 [ 3497.070039][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.070039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.070039][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.070039][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.070039][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.070039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.070039][ T10] [ 3497.071995][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3497.071995][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3497.071995][ T10] ipv6_find_idev+0x102/0x170 [ 3497.071995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.071995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.071995][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.071995][ T10] netlink_unicast+0x449/0x710 [ 3497.071995][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.071995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.071995][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.071995][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.071995][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.071995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.071995][ T10] [ 3497.073474][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3497.073474][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3497.073474][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3497.073474][ T10] ipv6_find_idev+0x102/0x170 [ 3497.073474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.073474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.073474][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.073474][ T10] netlink_unicast+0x449/0x710 [ 3497.073474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.073474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.073474][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.073474][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.073474][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.073474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.073474][ T10] [ 3497.075086][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3497.075377][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3497.075377][ T10] netdev_get_by_index+0x5e/0x80 [ 3497.075377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3497.075377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3497.075377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3497.075377][ T10] ipv6_add_addr+0x411/0x2000 [ 3497.075377][ T10] inet6_addr_add+0x30e/0xa40 [ 3497.075377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.075377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.075377][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.075377][ T10] netlink_unicast+0x449/0x710 [ 3497.075377][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.075377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.075377][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.075377][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.075377][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.075377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.075377][ T10] [ 3497.077426][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3497.077426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3497.077426][ T10] ipv6_find_idev+0x102/0x170 [ 3497.077426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.077426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.077426][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.077426][ T10] netlink_unicast+0x449/0x710 [ 3497.077426][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.077426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.077426][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.077426][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.077426][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.077426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.077426][ T10] [ 3497.078958][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3497.078958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3497.078958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3497.078958][ T10] ipv6_find_idev+0x102/0x170 [ 3497.078958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.078958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.078958][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.078958][ T10] netlink_unicast+0x449/0x710 [ 3497.078958][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.078958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.078958][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.078958][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.078958][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.078958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.078958][ T10] [ 3497.080611][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3497.080866][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3497.080866][ T10] netdev_get_by_index+0x5e/0x80 [ 3497.080866][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3497.080866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3497.080866][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3497.080866][ T10] ipv6_add_addr+0x411/0x2000 [ 3497.080866][ T10] inet6_addr_add+0x30e/0xa40 [ 3497.080866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.080866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.080866][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.080866][ T10] netlink_unicast+0x449/0x710 [ 3497.080866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.080866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.080866][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.080866][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.080866][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.080866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.080866][ T10] [ 3497.082827][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3497.082827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3497.082827][ T10] ipv6_find_idev+0x102/0x170 [ 3497.082827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.082827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.082827][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.082827][ T10] netlink_unicast+0x449/0x710 [ 3497.082827][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.082827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.082827][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.082827][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.082827][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.082827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.082827][ T10] [ 3497.084345][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3497.084345][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3497.084345][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3497.084345][ T10] ipv6_find_idev+0x102/0x170 [ 3497.084345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.084345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.084345][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.084345][ T10] netlink_unicast+0x449/0x710 [ 3497.084345][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.084345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.084345][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.084345][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.084345][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.084345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.084345][ T10] [ 3497.086392][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3497.086649][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3497.086649][ T10] netdev_get_by_index+0x5e/0x80 [ 3497.086649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3497.086649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3497.086649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3497.086649][ T10] ipv6_add_addr+0x411/0x2000 [ 3497.086649][ T10] inet6_addr_add+0x30e/0xa40 [ 3497.086649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.086649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.086649][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.086649][ T10] netlink_unicast+0x449/0x710 [ 3497.086649][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.086649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.086649][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.086649][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.086649][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.086649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.086649][ T10] [ 3497.088620][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3497.088620][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3497.088620][ T10] ipv6_find_idev+0x102/0x170 [ 3497.088620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.088620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.088620][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.088620][ T10] netlink_unicast+0x449/0x710 [ 3497.088620][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.088620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.088620][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.088620][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.088620][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.088620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.088620][ T10] [ 3497.090129][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3497.090129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3497.090129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3497.090129][ T10] ipv6_find_idev+0x102/0x170 [ 3497.090129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.090129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.090129][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.090129][ T10] netlink_unicast+0x449/0x710 [ 3497.090129][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.090129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.090129][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.090129][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.090129][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.090129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.090129][ T10] [ 3497.091817][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3497.092073][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3497.092073][ T10] netdev_get_by_index+0x5e/0x80 [ 3497.092073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3497.092073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3497.092073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3497.092073][ T10] ipv6_add_addr+0x411/0x2000 [ 3497.092073][ T10] inet6_addr_add+0x30e/0xa40 [ 3497.092073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.092073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.092073][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.092073][ T10] netlink_unicast+0x449/0x710 [ 3497.092073][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.092073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.092073][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.092073][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.092073][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.092073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.092073][ T10] [ 3497.094161][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3497.094161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3497.094161][ T10] ipv6_find_idev+0x102/0x170 [ 3497.094161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.094161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.094161][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.094161][ T10] netlink_unicast+0x449/0x710 [ 3497.094161][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.094161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.094161][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.094161][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.094161][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.094161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.094161][ T10] [ 3497.095726][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3497.095726][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3497.095726][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3497.095726][ T10] ipv6_find_idev+0x102/0x170 [ 3497.095726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.095726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.095726][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.095726][ T10] netlink_unicast+0x449/0x710 [ 3497.095726][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.095726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.095726][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.095726][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.095726][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.095726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.095726][ T10] [ 3497.097544][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3497.097811][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3497.097811][ T10] netdev_get_by_index+0x5e/0x80 [ 3497.097811][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3497.097811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3497.097811][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3497.097811][ T10] ipv6_add_addr+0x411/0x2000 [ 3497.097811][ T10] inet6_addr_add+0x30e/0xa40 [ 3497.097811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.097811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.097811][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.097811][ T10] netlink_unicast+0x449/0x710 [ 3497.097811][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.097811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.097811][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.097811][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.097811][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.097811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.097811][ T10] [ 3497.099899][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3497.099899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3497.099899][ T10] ipv6_find_idev+0x102/0x170 [ 3497.099899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.099899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.099899][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.099899][ T10] netlink_unicast+0x449/0x710 [ 3497.099899][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.099899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.099899][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.099899][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.099899][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.099899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.099899][ T10] [ 3497.101478][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3497.101478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3497.101478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3497.101478][ T10] ipv6_find_idev+0x102/0x170 [ 3497.101478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.101478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.101478][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.101478][ T10] netlink_unicast+0x449/0x710 [ 3497.101478][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.101478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.101478][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.101478][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.101478][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.101478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.101478][ T10] [ 3497.103273][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3497.103534][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3497.103534][ T10] netdev_get_by_index+0x5e/0x80 [ 3497.103534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3497.103534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3497.103534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3497.103534][ T10] ipv6_add_addr+0x411/0x2000 [ 3497.103534][ T10] inet6_addr_add+0x30e/0xa40 [ 3497.103534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3497.103534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.103534][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.103534][ T10] netlink_unicast+0x449/0x710 [ 3497.103534][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.103534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.103534][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.103534][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.103534][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.103534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.103534][ T10] [ 3497.106117][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3497.106117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3497.106117][ T10] ipv6_find_idev+0x102/0x170 [ 3497.106117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.106117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.106117][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.106117][ T10] netlink_unicast+0x449/0x710 [ 3497.106117][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.106117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.106117][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.106117][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.106117][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.106117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.106117][ T10] [ 3497.107739][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3497.107739][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3497.107739][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3497.107739][ T10] ipv6_find_idev+0x102/0x170 [ 3497.107739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3497.107739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3497.107739][ T10] netlink_rcv_skb+0x130/0x360 [ 3497.107739][ T10] netlink_unicast+0x449/0x710 [ 3497.107739][ T10] netlink_sendmsg+0x723/0xbe0 [ 3497.107739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3497.107739][ T10] ___sys_sendmsg+0xee/0x170 [ 3497.107739][ T10] __sys_sendmsg+0xcd/0x170 [ 3497.107739][ T10] do_syscall_64+0xc6/0x1e0 [ 3497.107739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3497.107739][ T10] [ 3507.352211][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3507.352656][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3507.352656][ T10] netdev_get_by_index+0x5e/0x80 [ 3507.352656][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3507.352656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3507.352656][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3507.352656][ T10] ipv6_add_addr+0x411/0x2000 [ 3507.352656][ T10] inet6_addr_add+0x30e/0xa40 [ 3507.352656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3507.352656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.352656][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.352656][ T10] netlink_unicast+0x449/0x710 [ 3507.352656][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.352656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.352656][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.352656][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.352656][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.352656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.352656][ T10] [ 3507.354640][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3507.354640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3507.354640][ T10] ipv6_find_idev+0x102/0x170 [ 3507.354640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.354640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.354640][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.354640][ T10] netlink_unicast+0x449/0x710 [ 3507.354640][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.354640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.354640][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.354640][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.354640][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.354640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.354640][ T10] [ 3507.356147][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3507.356147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3507.356147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3507.356147][ T10] ipv6_find_idev+0x102/0x170 [ 3507.356147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.356147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.356147][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.356147][ T10] netlink_unicast+0x449/0x710 [ 3507.356147][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.356147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.356147][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.356147][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.356147][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.356147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.356147][ T10] [ 3507.357796][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3507.358073][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3507.358073][ T10] netdev_get_by_index+0x5e/0x80 [ 3507.358073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3507.358073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3507.358073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3507.358073][ T10] ipv6_add_addr+0x411/0x2000 [ 3507.358073][ T10] inet6_addr_add+0x30e/0xa40 [ 3507.358073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3507.358073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.358073][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.358073][ T10] netlink_unicast+0x449/0x710 [ 3507.358073][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.358073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.358073][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.358073][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.358073][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.358073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.358073][ T10] [ 3507.360055][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3507.360055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3507.360055][ T10] ipv6_find_idev+0x102/0x170 [ 3507.360055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.360055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.360055][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.360055][ T10] netlink_unicast+0x449/0x710 [ 3507.360055][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.360055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.360055][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.360055][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.360055][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.360055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.360055][ T10] [ 3507.361546][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3507.361546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3507.361546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3507.361546][ T10] ipv6_find_idev+0x102/0x170 [ 3507.361546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.361546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.361546][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.361546][ T10] netlink_unicast+0x449/0x710 [ 3507.361546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.361546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.361546][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.361546][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.361546][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.361546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.361546][ T10] [ 3507.363158][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3507.363441][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3507.363441][ T10] netdev_get_by_index+0x5e/0x80 [ 3507.363441][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3507.363441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3507.363441][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3507.363441][ T10] ipv6_add_addr+0x411/0x2000 [ 3507.363441][ T10] inet6_addr_add+0x30e/0xa40 [ 3507.363441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3507.363441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.363441][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.363441][ T10] netlink_unicast+0x449/0x710 [ 3507.363441][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.363441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.363441][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.363441][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.363441][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.363441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.363441][ T10] [ 3507.365409][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3507.365409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3507.365409][ T10] ipv6_find_idev+0x102/0x170 [ 3507.365409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.365409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.365409][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.365409][ T10] netlink_unicast+0x449/0x710 [ 3507.365409][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.365409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.365409][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.365409][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.365409][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.365409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.365409][ T10] [ 3507.366916][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3507.366916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3507.366916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3507.366916][ T10] ipv6_find_idev+0x102/0x170 [ 3507.366916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.366916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.366916][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.366916][ T10] netlink_unicast+0x449/0x710 [ 3507.366916][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.366916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.366916][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.366916][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.366916][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.366916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.366916][ T10] [ 3507.368571][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3507.368825][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3507.368825][ T10] netdev_get_by_index+0x5e/0x80 [ 3507.368825][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3507.368825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3507.368825][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3507.368825][ T10] ipv6_add_addr+0x411/0x2000 [ 3507.368825][ T10] inet6_addr_add+0x30e/0xa40 [ 3507.368825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3507.368825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.368825][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.368825][ T10] netlink_unicast+0x449/0x710 [ 3507.368825][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.368825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.368825][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.368825][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.368825][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.368825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.368825][ T10] [ 3507.370777][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3507.370777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3507.370777][ T10] ipv6_find_idev+0x102/0x170 [ 3507.370777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.370777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.370777][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.370777][ T10] netlink_unicast+0x449/0x710 [ 3507.370777][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.370777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.370777][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.370777][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.370777][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.370777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.370777][ T10] [ 3507.372285][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3507.372285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3507.372285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3507.372285][ T10] ipv6_find_idev+0x102/0x170 [ 3507.372285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.372285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.372285][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.372285][ T10] netlink_unicast+0x449/0x710 [ 3507.372285][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.372285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.372285][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.372285][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.372285][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.372285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.372285][ T10] [ 3507.374342][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3507.374600][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3507.374600][ T10] netdev_get_by_index+0x5e/0x80 [ 3507.374600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3507.374600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3507.374600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3507.374600][ T10] ipv6_add_addr+0x411/0x2000 [ 3507.374600][ T10] inet6_addr_add+0x30e/0xa40 [ 3507.374600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3507.374600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.374600][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.374600][ T10] netlink_unicast+0x449/0x710 [ 3507.374600][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.374600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.374600][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.374600][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.374600][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.374600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.374600][ T10] [ 3507.376551][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3507.376551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3507.376551][ T10] ipv6_find_idev+0x102/0x170 [ 3507.376551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.376551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.376551][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.376551][ T10] netlink_unicast+0x449/0x710 [ 3507.376551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.376551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.376551][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.376551][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.376551][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.376551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.376551][ T10] [ 3507.378055][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3507.378055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3507.378055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3507.378055][ T10] ipv6_find_idev+0x102/0x170 [ 3507.378055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.378055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.378055][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.378055][ T10] netlink_unicast+0x449/0x710 [ 3507.378055][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.378055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.378055][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.378055][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.378055][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.378055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.378055][ T10] [ 3507.379759][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3507.380015][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3507.380015][ T10] netdev_get_by_index+0x5e/0x80 [ 3507.380015][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3507.380015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3507.380015][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3507.380015][ T10] ipv6_add_addr+0x411/0x2000 [ 3507.380015][ T10] inet6_addr_add+0x30e/0xa40 [ 3507.380015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3507.380015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.380015][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.380015][ T10] netlink_unicast+0x449/0x710 [ 3507.380015][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.380015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.380015][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.380015][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.380015][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.380015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.380015][ T10] [ 3507.382128][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3507.382128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3507.382128][ T10] ipv6_find_idev+0x102/0x170 [ 3507.382128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.382128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.382128][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.382128][ T10] netlink_unicast+0x449/0x710 [ 3507.382128][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.382128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.382128][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.382128][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.382128][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.382128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.382128][ T10] [ 3507.383866][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3507.383866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3507.383866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3507.383866][ T10] ipv6_find_idev+0x102/0x170 [ 3507.383866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.383866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.383866][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.383866][ T10] netlink_unicast+0x449/0x710 [ 3507.383866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.383866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.383866][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.383866][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.383866][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.383866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.383866][ T10] [ 3507.385769][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3507.386028][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3507.386028][ T10] netdev_get_by_index+0x5e/0x80 [ 3507.386028][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3507.386028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3507.386028][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3507.386028][ T10] ipv6_add_addr+0x411/0x2000 [ 3507.386028][ T10] inet6_addr_add+0x30e/0xa40 [ 3507.386028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3507.386028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.386028][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.386028][ T10] netlink_unicast+0x449/0x710 [ 3507.386028][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.386028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.386028][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.386028][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.386028][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.386028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.386028][ T10] [ 3507.388194][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3507.388194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3507.388194][ T10] ipv6_find_idev+0x102/0x170 [ 3507.388194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.388194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.388194][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.388194][ T10] netlink_unicast+0x449/0x710 [ 3507.388194][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.388194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.388194][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.388194][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.388194][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.388194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.388194][ T10] [ 3507.389823][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3507.389823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3507.389823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3507.389823][ T10] ipv6_find_idev+0x102/0x170 [ 3507.389823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.389823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.389823][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.389823][ T10] netlink_unicast+0x449/0x710 [ 3507.389823][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.389823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.389823][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.389823][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.389823][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.389823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.389823][ T10] [ 3507.391741][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3507.392001][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3507.392001][ T10] netdev_get_by_index+0x5e/0x80 [ 3507.392001][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3507.392001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3507.392001][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3507.392001][ T10] ipv6_add_addr+0x411/0x2000 [ 3507.392001][ T10] inet6_addr_add+0x30e/0xa40 [ 3507.392001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3507.392001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.392001][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.392001][ T10] netlink_unicast+0x449/0x710 [ 3507.392001][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.392001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.392001][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.392001][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.392001][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.392001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.392001][ T10] [ 3507.394170][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3507.394170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3507.394170][ T10] ipv6_find_idev+0x102/0x170 [ 3507.394170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.394170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.394170][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.394170][ T10] netlink_unicast+0x449/0x710 [ 3507.394170][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.394170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.394170][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.394170][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.394170][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.394170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.394170][ T10] [ 3507.395873][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3507.395873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3507.395873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3507.395873][ T10] ipv6_find_idev+0x102/0x170 [ 3507.395873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3507.395873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3507.395873][ T10] netlink_rcv_skb+0x130/0x360 [ 3507.395873][ T10] netlink_unicast+0x449/0x710 [ 3507.395873][ T10] netlink_sendmsg+0x723/0xbe0 [ 3507.395873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3507.395873][ T10] ___sys_sendmsg+0xee/0x170 [ 3507.395873][ T10] __sys_sendmsg+0xcd/0x170 [ 3507.395873][ T10] do_syscall_64+0xc6/0x1e0 [ 3507.395873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3507.395873][ T10] [ 3517.640288][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3517.640879][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3517.640879][ T10] netdev_get_by_index+0x5e/0x80 [ 3517.640879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3517.640879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3517.640879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3517.640879][ T10] ipv6_add_addr+0x411/0x2000 [ 3517.640879][ T10] inet6_addr_add+0x30e/0xa40 [ 3517.640879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3517.640879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.640879][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.640879][ T10] netlink_unicast+0x449/0x710 [ 3517.640879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.640879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.640879][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.640879][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.640879][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.640879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.640879][ T10] [ 3517.642812][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3517.642812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3517.642812][ T10] ipv6_find_idev+0x102/0x170 [ 3517.642812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.642812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.642812][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.642812][ T10] netlink_unicast+0x449/0x710 [ 3517.642812][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.642812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.642812][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.642812][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.642812][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.642812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.642812][ T10] [ 3517.644337][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3517.644337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3517.644337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3517.644337][ T10] ipv6_find_idev+0x102/0x170 [ 3517.644337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.644337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.644337][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.644337][ T10] netlink_unicast+0x449/0x710 [ 3517.644337][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.644337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.644337][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.644337][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.644337][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.644337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.644337][ T10] [ 3517.646000][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3517.646296][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3517.646296][ T10] netdev_get_by_index+0x5e/0x80 [ 3517.646296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3517.646296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3517.646296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3517.646296][ T10] ipv6_add_addr+0x411/0x2000 [ 3517.646296][ T10] inet6_addr_add+0x30e/0xa40 [ 3517.646296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3517.646296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.646296][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.646296][ T10] netlink_unicast+0x449/0x710 [ 3517.646296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.646296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.646296][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.646296][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.646296][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.646296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.646296][ T10] [ 3517.648284][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3517.648284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3517.648284][ T10] ipv6_find_idev+0x102/0x170 [ 3517.648284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.648284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.648284][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.648284][ T10] netlink_unicast+0x449/0x710 [ 3517.648284][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.648284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.648284][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.648284][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.648284][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.648284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.648284][ T10] [ 3517.649799][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3517.649799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3517.649799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3517.649799][ T10] ipv6_find_idev+0x102/0x170 [ 3517.649799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.649799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.649799][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.649799][ T10] netlink_unicast+0x449/0x710 [ 3517.649799][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.649799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.649799][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.649799][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.649799][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.649799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.649799][ T10] [ 3517.651430][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3517.651691][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3517.651691][ T10] netdev_get_by_index+0x5e/0x80 [ 3517.651691][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3517.651691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3517.651691][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3517.651691][ T10] ipv6_add_addr+0x411/0x2000 [ 3517.651691][ T10] inet6_addr_add+0x30e/0xa40 [ 3517.651691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3517.651691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.651691][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.651691][ T10] netlink_unicast+0x449/0x710 [ 3517.651691][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.651691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.651691][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.651691][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.651691][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.651691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.651691][ T10] [ 3517.653599][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3517.653599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3517.653599][ T10] ipv6_find_idev+0x102/0x170 [ 3517.653599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.653599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.653599][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.653599][ T10] netlink_unicast+0x449/0x710 [ 3517.653599][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.653599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.653599][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.653599][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.653599][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.653599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.653599][ T10] [ 3517.655090][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3517.655090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3517.655090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3517.655090][ T10] ipv6_find_idev+0x102/0x170 [ 3517.655090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.655090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.655090][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.655090][ T10] netlink_unicast+0x449/0x710 [ 3517.655090][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.655090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.655090][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.655090][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.655090][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.655090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.655090][ T10] [ 3517.656745][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3517.657025][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3517.657025][ T10] netdev_get_by_index+0x5e/0x80 [ 3517.657025][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3517.657025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3517.657025][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3517.657025][ T10] ipv6_add_addr+0x411/0x2000 [ 3517.657025][ T10] inet6_addr_add+0x30e/0xa40 [ 3517.657025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3517.657025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.657025][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.657025][ T10] netlink_unicast+0x449/0x710 [ 3517.657025][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.657025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.657025][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.657025][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.657025][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.657025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.657025][ T10] [ 3517.658998][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3517.658998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3517.658998][ T10] ipv6_find_idev+0x102/0x170 [ 3517.658998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.658998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.658998][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.658998][ T10] netlink_unicast+0x449/0x710 [ 3517.658998][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.658998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.658998][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.658998][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.658998][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.658998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.658998][ T10] [ 3517.660513][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3517.660513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3517.660513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3517.660513][ T10] ipv6_find_idev+0x102/0x170 [ 3517.660513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.660513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.660513][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.660513][ T10] netlink_unicast+0x449/0x710 [ 3517.660513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.660513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.660513][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.660513][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.660513][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.660513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.660513][ T10] [ 3517.662566][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3517.662826][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3517.662826][ T10] netdev_get_by_index+0x5e/0x80 [ 3517.662826][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3517.662826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3517.662826][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3517.662826][ T10] ipv6_add_addr+0x411/0x2000 [ 3517.662826][ T10] inet6_addr_add+0x30e/0xa40 [ 3517.662826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3517.662826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.662826][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.662826][ T10] netlink_unicast+0x449/0x710 [ 3517.662826][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.662826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.662826][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.662826][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.662826][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.662826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.662826][ T10] [ 3517.664787][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3517.664787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3517.664787][ T10] ipv6_find_idev+0x102/0x170 [ 3517.664787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.664787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.664787][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.664787][ T10] netlink_unicast+0x449/0x710 [ 3517.664787][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.664787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.664787][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.664787][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.664787][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.664787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.664787][ T10] [ 3517.666294][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3517.666294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3517.666294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3517.666294][ T10] ipv6_find_idev+0x102/0x170 [ 3517.666294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.666294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.666294][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.666294][ T10] netlink_unicast+0x449/0x710 [ 3517.666294][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.666294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.666294][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.666294][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.666294][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.666294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.666294][ T10] [ 3517.668017][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3517.668333][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3517.668333][ T10] netdev_get_by_index+0x5e/0x80 [ 3517.668333][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3517.668333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3517.668333][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3517.668333][ T10] ipv6_add_addr+0x411/0x2000 [ 3517.668333][ T10] inet6_addr_add+0x30e/0xa40 [ 3517.668333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3517.668333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.668333][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.668333][ T10] netlink_unicast+0x449/0x710 [ 3517.668333][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.668333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.668333][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.668333][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.668333][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.668333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.668333][ T10] [ 3517.670402][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3517.670402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3517.670402][ T10] ipv6_find_idev+0x102/0x170 [ 3517.670402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.670402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.670402][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.670402][ T10] netlink_unicast+0x449/0x710 [ 3517.670402][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.670402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.670402][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.670402][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.670402][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.670402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.670402][ T10] [ 3517.672168][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3517.672168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3517.672168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3517.672168][ T10] ipv6_find_idev+0x102/0x170 [ 3517.672168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.672168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.672168][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.672168][ T10] netlink_unicast+0x449/0x710 [ 3517.672168][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.672168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.672168][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.672168][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.672168][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.672168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.672168][ T10] [ 3517.674008][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3517.674317][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3517.674317][ T10] netdev_get_by_index+0x5e/0x80 [ 3517.674317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3517.674317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3517.674317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3517.674317][ T10] ipv6_add_addr+0x411/0x2000 [ 3517.674317][ T10] inet6_addr_add+0x30e/0xa40 [ 3517.674317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3517.674317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.674317][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.674317][ T10] netlink_unicast+0x449/0x710 [ 3517.674317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.674317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.674317][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.674317][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.674317][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.674317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.674317][ T10] [ 3517.676459][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3517.676459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3517.676459][ T10] ipv6_find_idev+0x102/0x170 [ 3517.676459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.676459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.676459][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.676459][ T10] netlink_unicast+0x449/0x710 [ 3517.676459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.676459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.676459][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.676459][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.676459][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.676459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.676459][ T10] [ 3517.678153][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3517.678153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3517.678153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3517.678153][ T10] ipv6_find_idev+0x102/0x170 [ 3517.678153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.678153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.678153][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.678153][ T10] netlink_unicast+0x449/0x710 [ 3517.678153][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.678153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.678153][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.678153][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.678153][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.678153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.678153][ T10] [ 3517.680097][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3517.680407][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3517.680407][ T10] netdev_get_by_index+0x5e/0x80 [ 3517.680407][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3517.680407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3517.680407][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3517.680407][ T10] ipv6_add_addr+0x411/0x2000 [ 3517.680407][ T10] inet6_addr_add+0x30e/0xa40 [ 3517.680407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3517.680407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.680407][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.680407][ T10] netlink_unicast+0x449/0x710 [ 3517.680407][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.680407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.680407][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.680407][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.680407][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.680407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.680407][ T10] [ 3517.682584][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3517.682584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3517.682584][ T10] ipv6_find_idev+0x102/0x170 [ 3517.682584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.682584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.682584][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.682584][ T10] netlink_unicast+0x449/0x710 [ 3517.682584][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.682584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.682584][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.682584][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.682584][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.682584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.682584][ T10] [ 3517.684251][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3517.684251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3517.684251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3517.684251][ T10] ipv6_find_idev+0x102/0x170 [ 3517.684251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3517.684251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3517.684251][ T10] netlink_rcv_skb+0x130/0x360 [ 3517.684251][ T10] netlink_unicast+0x449/0x710 [ 3517.684251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3517.684251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3517.684251][ T10] ___sys_sendmsg+0xee/0x170 [ 3517.684251][ T10] __sys_sendmsg+0xcd/0x170 [ 3517.684251][ T10] do_syscall_64+0xc6/0x1e0 [ 3517.684251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3517.684251][ T10] [ 3527.824234][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3527.824690][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3527.824690][ T10] netdev_get_by_index+0x5e/0x80 [ 3527.824690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3527.824690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3527.824690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3527.824690][ T10] ipv6_add_addr+0x411/0x2000 [ 3527.824690][ T10] inet6_addr_add+0x30e/0xa40 [ 3527.824690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.824690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.824690][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.824690][ T10] netlink_unicast+0x449/0x710 [ 3527.824690][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.824690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.824690][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.824690][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.824690][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.824690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.824690][ T10] [ 3527.826710][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3527.826710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3527.826710][ T10] ipv6_find_idev+0x102/0x170 [ 3527.826710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.826710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.826710][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.826710][ T10] netlink_unicast+0x449/0x710 [ 3527.826710][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.826710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.826710][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.826710][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.826710][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.826710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.826710][ T10] [ 3527.828206][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3527.828206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3527.828206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3527.828206][ T10] ipv6_find_idev+0x102/0x170 [ 3527.828206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.828206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.828206][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.828206][ T10] netlink_unicast+0x449/0x710 [ 3527.828206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.828206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.828206][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.828206][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.828206][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.828206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.828206][ T10] [ 3527.829850][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3527.830135][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3527.830135][ T10] netdev_get_by_index+0x5e/0x80 [ 3527.830135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3527.830135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3527.830135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3527.830135][ T10] ipv6_add_addr+0x411/0x2000 [ 3527.830135][ T10] inet6_addr_add+0x30e/0xa40 [ 3527.830135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.830135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.830135][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.830135][ T10] netlink_unicast+0x449/0x710 [ 3527.830135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.830135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.830135][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.830135][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.830135][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.830135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.830135][ T10] [ 3527.832121][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3527.832121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3527.832121][ T10] ipv6_find_idev+0x102/0x170 [ 3527.832121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.832121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.832121][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.832121][ T10] netlink_unicast+0x449/0x710 [ 3527.832121][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.832121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.832121][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.832121][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.832121][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.832121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.832121][ T10] [ 3527.833603][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3527.833603][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3527.833603][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3527.833603][ T10] ipv6_find_idev+0x102/0x170 [ 3527.833603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.833603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.833603][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.833603][ T10] netlink_unicast+0x449/0x710 [ 3527.833603][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.833603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.833603][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.833603][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.833603][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.833603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.833603][ T10] [ 3527.835254][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3527.835520][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3527.835520][ T10] netdev_get_by_index+0x5e/0x80 [ 3527.835520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3527.835520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3527.835520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3527.835520][ T10] ipv6_add_addr+0x411/0x2000 [ 3527.835520][ T10] inet6_addr_add+0x30e/0xa40 [ 3527.835520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.835520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.835520][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.835520][ T10] netlink_unicast+0x449/0x710 [ 3527.835520][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.835520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.835520][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.835520][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.835520][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.835520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.835520][ T10] [ 3527.837514][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3527.837514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3527.837514][ T10] ipv6_find_idev+0x102/0x170 [ 3527.837514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.837514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.837514][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.837514][ T10] netlink_unicast+0x449/0x710 [ 3527.837514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.837514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.837514][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.837514][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.837514][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.837514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.837514][ T10] [ 3527.839052][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3527.839052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3527.839052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3527.839052][ T10] ipv6_find_idev+0x102/0x170 [ 3527.839052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.839052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.839052][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.839052][ T10] netlink_unicast+0x449/0x710 [ 3527.839052][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.839052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.839052][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.839052][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.839052][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.839052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.839052][ T10] [ 3527.840761][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3527.841024][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3527.841024][ T10] netdev_get_by_index+0x5e/0x80 [ 3527.841024][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3527.841024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3527.841024][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3527.841024][ T10] ipv6_add_addr+0x411/0x2000 [ 3527.841024][ T10] inet6_addr_add+0x30e/0xa40 [ 3527.841024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.841024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.841024][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.841024][ T10] netlink_unicast+0x449/0x710 [ 3527.841024][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.841024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.841024][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.841024][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.841024][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.841024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.841024][ T10] [ 3527.843024][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3527.843024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3527.843024][ T10] ipv6_find_idev+0x102/0x170 [ 3527.843024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.843024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.843024][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.843024][ T10] netlink_unicast+0x449/0x710 [ 3527.843024][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.843024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.843024][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.843024][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.843024][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.843024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.843024][ T10] [ 3527.844536][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3527.844536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3527.844536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3527.844536][ T10] ipv6_find_idev+0x102/0x170 [ 3527.844536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.844536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.844536][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.844536][ T10] netlink_unicast+0x449/0x710 [ 3527.844536][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.844536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.844536][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.844536][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.844536][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.844536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.844536][ T10] [ 3527.846598][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3527.847201][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3527.847201][ T10] netdev_get_by_index+0x5e/0x80 [ 3527.847201][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3527.847201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3527.847201][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3527.847201][ T10] ipv6_add_addr+0x411/0x2000 [ 3527.847201][ T10] inet6_addr_add+0x30e/0xa40 [ 3527.847201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.847201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.847201][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.847201][ T10] netlink_unicast+0x449/0x710 [ 3527.847201][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.847201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.847201][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.847201][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.847201][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.847201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.847201][ T10] [ 3527.849221][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3527.849221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3527.849221][ T10] ipv6_find_idev+0x102/0x170 [ 3527.849221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.849221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.849221][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.849221][ T10] netlink_unicast+0x449/0x710 [ 3527.849221][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.849221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.849221][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.849221][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.849221][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.849221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.849221][ T10] [ 3527.850742][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3527.850742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3527.850742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3527.850742][ T10] ipv6_find_idev+0x102/0x170 [ 3527.850742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.850742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.850742][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.850742][ T10] netlink_unicast+0x449/0x710 [ 3527.850742][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.850742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.850742][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.850742][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.850742][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.850742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.850742][ T10] [ 3527.852400][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3527.852680][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3527.852680][ T10] netdev_get_by_index+0x5e/0x80 [ 3527.852680][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3527.852680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3527.852680][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3527.852680][ T10] ipv6_add_addr+0x411/0x2000 [ 3527.852680][ T10] inet6_addr_add+0x30e/0xa40 [ 3527.852680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.852680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.852680][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.852680][ T10] netlink_unicast+0x449/0x710 [ 3527.852680][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.852680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.852680][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.852680][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.852680][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.852680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.852680][ T10] [ 3527.854662][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3527.854662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3527.854662][ T10] ipv6_find_idev+0x102/0x170 [ 3527.854662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.854662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.854662][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.854662][ T10] netlink_unicast+0x449/0x710 [ 3527.854662][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.854662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.854662][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.854662][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.854662][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.854662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.854662][ T10] [ 3527.856254][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3527.856254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3527.856254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3527.856254][ T10] ipv6_find_idev+0x102/0x170 [ 3527.856254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.856254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.856254][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.856254][ T10] netlink_unicast+0x449/0x710 [ 3527.856254][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.856254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.856254][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.856254][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.856254][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.856254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.856254][ T10] [ 3527.858227][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3527.858544][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3527.858544][ T10] netdev_get_by_index+0x5e/0x80 [ 3527.858544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3527.858544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3527.858544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3527.858544][ T10] ipv6_add_addr+0x411/0x2000 [ 3527.858544][ T10] inet6_addr_add+0x30e/0xa40 [ 3527.858544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.858544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.858544][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.858544][ T10] netlink_unicast+0x449/0x710 [ 3527.858544][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.858544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.858544][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.858544][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.858544][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.858544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.858544][ T10] [ 3527.860771][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3527.860771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3527.860771][ T10] ipv6_find_idev+0x102/0x170 [ 3527.860771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.860771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.860771][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.860771][ T10] netlink_unicast+0x449/0x710 [ 3527.860771][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.860771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.860771][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.860771][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.860771][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.860771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.860771][ T10] [ 3527.862474][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3527.862474][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3527.862474][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3527.862474][ T10] ipv6_find_idev+0x102/0x170 [ 3527.862474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.862474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.862474][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.862474][ T10] netlink_unicast+0x449/0x710 [ 3527.862474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.862474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.862474][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.862474][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.862474][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.862474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.862474][ T10] [ 3527.864344][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3527.864660][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3527.864660][ T10] netdev_get_by_index+0x5e/0x80 [ 3527.864660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3527.864660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3527.864660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3527.864660][ T10] ipv6_add_addr+0x411/0x2000 [ 3527.864660][ T10] inet6_addr_add+0x30e/0xa40 [ 3527.864660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3527.864660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.864660][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.864660][ T10] netlink_unicast+0x449/0x710 [ 3527.864660][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.864660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.864660][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.864660][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.864660][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.864660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.864660][ T10] [ 3527.866815][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3527.866815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3527.866815][ T10] ipv6_find_idev+0x102/0x170 [ 3527.866815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.866815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.866815][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.866815][ T10] netlink_unicast+0x449/0x710 [ 3527.866815][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.866815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.866815][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.866815][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.866815][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.866815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.866815][ T10] [ 3527.868546][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3527.868546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3527.868546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3527.868546][ T10] ipv6_find_idev+0x102/0x170 [ 3527.868546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3527.868546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3527.868546][ T10] netlink_rcv_skb+0x130/0x360 [ 3527.868546][ T10] netlink_unicast+0x449/0x710 [ 3527.868546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3527.868546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3527.868546][ T10] ___sys_sendmsg+0xee/0x170 [ 3527.868546][ T10] __sys_sendmsg+0xcd/0x170 [ 3527.868546][ T10] do_syscall_64+0xc6/0x1e0 [ 3527.868546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3527.868546][ T10] [ 3538.112235][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3538.112669][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3538.112669][ T10] netdev_get_by_index+0x5e/0x80 [ 3538.112669][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3538.112669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3538.112669][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3538.112669][ T10] ipv6_add_addr+0x411/0x2000 [ 3538.112669][ T10] inet6_addr_add+0x30e/0xa40 [ 3538.112669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.112669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.112669][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.112669][ T10] netlink_unicast+0x449/0x710 [ 3538.112669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.112669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.112669][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.112669][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.112669][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.112669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.112669][ T10] [ 3538.114679][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3538.114679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3538.114679][ T10] ipv6_find_idev+0x102/0x170 [ 3538.114679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.114679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.114679][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.114679][ T10] netlink_unicast+0x449/0x710 [ 3538.114679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.114679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.114679][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.114679][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.114679][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.114679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.114679][ T10] [ 3538.116195][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3538.116195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3538.116195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3538.116195][ T10] ipv6_find_idev+0x102/0x170 [ 3538.116195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.116195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.116195][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.116195][ T10] netlink_unicast+0x449/0x710 [ 3538.116195][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.116195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.116195][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.116195][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.116195][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.116195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.116195][ T10] [ 3538.117878][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3538.118143][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3538.118143][ T10] netdev_get_by_index+0x5e/0x80 [ 3538.118143][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3538.118143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3538.118143][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3538.118143][ T10] ipv6_add_addr+0x411/0x2000 [ 3538.118143][ T10] inet6_addr_add+0x30e/0xa40 [ 3538.118143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.118143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.118143][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.118143][ T10] netlink_unicast+0x449/0x710 [ 3538.118143][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.118143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.118143][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.118143][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.118143][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.118143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.118143][ T10] [ 3538.120100][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3538.120100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3538.120100][ T10] ipv6_find_idev+0x102/0x170 [ 3538.120100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.120100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.120100][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.120100][ T10] netlink_unicast+0x449/0x710 [ 3538.120100][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.120100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.120100][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.120100][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.120100][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.120100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.120100][ T10] [ 3538.121694][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3538.121694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3538.121694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3538.121694][ T10] ipv6_find_idev+0x102/0x170 [ 3538.121694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.121694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.121694][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.121694][ T10] netlink_unicast+0x449/0x710 [ 3538.121694][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.121694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.121694][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.121694][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.121694][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.121694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.121694][ T10] [ 3538.123350][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3538.123622][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3538.123622][ T10] netdev_get_by_index+0x5e/0x80 [ 3538.123622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3538.123622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3538.123622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3538.123622][ T10] ipv6_add_addr+0x411/0x2000 [ 3538.123622][ T10] inet6_addr_add+0x30e/0xa40 [ 3538.123622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.123622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.123622][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.123622][ T10] netlink_unicast+0x449/0x710 [ 3538.123622][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.123622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.123622][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.123622][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.123622][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.123622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.123622][ T10] [ 3538.126106][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3538.126106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3538.126106][ T10] ipv6_find_idev+0x102/0x170 [ 3538.126106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.126106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.126106][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.126106][ T10] netlink_unicast+0x449/0x710 [ 3538.126106][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.126106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.126106][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.126106][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.126106][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.126106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.126106][ T10] [ 3538.127613][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3538.127613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3538.127613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3538.127613][ T10] ipv6_find_idev+0x102/0x170 [ 3538.127613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.127613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.127613][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.127613][ T10] netlink_unicast+0x449/0x710 [ 3538.127613][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.127613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.127613][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.127613][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.127613][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.127613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.127613][ T10] [ 3538.129263][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3538.129525][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3538.129525][ T10] netdev_get_by_index+0x5e/0x80 [ 3538.129525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3538.129525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3538.129525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3538.129525][ T10] ipv6_add_addr+0x411/0x2000 [ 3538.129525][ T10] inet6_addr_add+0x30e/0xa40 [ 3538.129525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.129525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.129525][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.129525][ T10] netlink_unicast+0x449/0x710 [ 3538.129525][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.129525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.129525][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.129525][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.129525][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.129525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.129525][ T10] [ 3538.131482][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3538.131482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3538.131482][ T10] ipv6_find_idev+0x102/0x170 [ 3538.131482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.131482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.131482][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.131482][ T10] netlink_unicast+0x449/0x710 [ 3538.131482][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.131482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.131482][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.131482][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.131482][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.131482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.131482][ T10] [ 3538.132988][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3538.132988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3538.132988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3538.132988][ T10] ipv6_find_idev+0x102/0x170 [ 3538.132988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.132988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.132988][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.132988][ T10] netlink_unicast+0x449/0x710 [ 3538.132988][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.132988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.132988][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.132988][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.132988][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.132988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.132988][ T10] [ 3538.134639][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3538.134897][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3538.134897][ T10] netdev_get_by_index+0x5e/0x80 [ 3538.134897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3538.134897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3538.134897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3538.134897][ T10] ipv6_add_addr+0x411/0x2000 [ 3538.134897][ T10] inet6_addr_add+0x30e/0xa40 [ 3538.134897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.134897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.134897][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.134897][ T10] netlink_unicast+0x449/0x710 [ 3538.134897][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.134897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.134897][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.134897][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.134897][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.134897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.134897][ T10] [ 3538.136846][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3538.136846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3538.136846][ T10] ipv6_find_idev+0x102/0x170 [ 3538.136846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.136846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.136846][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.136846][ T10] netlink_unicast+0x449/0x710 [ 3538.136846][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.136846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.136846][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.136846][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.136846][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.136846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.136846][ T10] [ 3538.138430][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3538.138430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3538.138430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3538.138430][ T10] ipv6_find_idev+0x102/0x170 [ 3538.138430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.138430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.138430][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.138430][ T10] netlink_unicast+0x449/0x710 [ 3538.138430][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.138430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.138430][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.138430][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.138430][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.138430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.138430][ T10] [ 3538.140363][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3538.140620][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3538.140620][ T10] netdev_get_by_index+0x5e/0x80 [ 3538.140620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3538.140620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3538.140620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3538.140620][ T10] ipv6_add_addr+0x411/0x2000 [ 3538.140620][ T10] inet6_addr_add+0x30e/0xa40 [ 3538.140620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.140620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.140620][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.140620][ T10] netlink_unicast+0x449/0x710 [ 3538.140620][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.140620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.140620][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.140620][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.140620][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.140620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.140620][ T10] [ 3538.142746][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3538.142746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3538.142746][ T10] ipv6_find_idev+0x102/0x170 [ 3538.142746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.142746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.142746][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.142746][ T10] netlink_unicast+0x449/0x710 [ 3538.142746][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.142746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.142746][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.142746][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.142746][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.142746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.142746][ T10] [ 3538.144499][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3538.144499][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3538.144499][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3538.144499][ T10] ipv6_find_idev+0x102/0x170 [ 3538.144499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.144499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.144499][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.144499][ T10] netlink_unicast+0x449/0x710 [ 3538.144499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.144499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.144499][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.144499][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.144499][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.144499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.144499][ T10] [ 3538.146416][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3538.146674][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3538.146674][ T10] netdev_get_by_index+0x5e/0x80 [ 3538.146674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3538.146674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3538.146674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3538.146674][ T10] ipv6_add_addr+0x411/0x2000 [ 3538.146674][ T10] inet6_addr_add+0x30e/0xa40 [ 3538.146674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.146674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.146674][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.146674][ T10] netlink_unicast+0x449/0x710 [ 3538.146674][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.146674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.146674][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.146674][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.146674][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.146674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.146674][ T10] [ 3538.148814][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3538.148814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3538.148814][ T10] ipv6_find_idev+0x102/0x170 [ 3538.148814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.148814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.148814][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.148814][ T10] netlink_unicast+0x449/0x710 [ 3538.148814][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.148814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.148814][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.148814][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.148814][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.148814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.148814][ T10] [ 3538.150498][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3538.150498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3538.150498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3538.150498][ T10] ipv6_find_idev+0x102/0x170 [ 3538.150498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.150498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.150498][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.150498][ T10] netlink_unicast+0x449/0x710 [ 3538.150498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.150498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.150498][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.150498][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.150498][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.150498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.150498][ T10] [ 3538.152366][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3538.152631][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3538.152631][ T10] netdev_get_by_index+0x5e/0x80 [ 3538.152631][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3538.152631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3538.152631][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3538.152631][ T10] ipv6_add_addr+0x411/0x2000 [ 3538.152631][ T10] inet6_addr_add+0x30e/0xa40 [ 3538.152631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3538.152631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.152631][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.152631][ T10] netlink_unicast+0x449/0x710 [ 3538.152631][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.152631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.152631][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.152631][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.152631][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.152631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.152631][ T10] [ 3538.154890][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3538.154890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3538.154890][ T10] ipv6_find_idev+0x102/0x170 [ 3538.154890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.154890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.154890][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.154890][ T10] netlink_unicast+0x449/0x710 [ 3538.154890][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.154890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.154890][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.154890][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.154890][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.154890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.154890][ T10] [ 3538.156576][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3538.156576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3538.156576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3538.156576][ T10] ipv6_find_idev+0x102/0x170 [ 3538.156576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3538.156576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3538.156576][ T10] netlink_rcv_skb+0x130/0x360 [ 3538.156576][ T10] netlink_unicast+0x449/0x710 [ 3538.156576][ T10] netlink_sendmsg+0x723/0xbe0 [ 3538.156576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3538.156576][ T10] ___sys_sendmsg+0xee/0x170 [ 3538.156576][ T10] __sys_sendmsg+0xcd/0x170 [ 3538.156576][ T10] do_syscall_64+0xc6/0x1e0 [ 3538.156576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3538.156576][ T10] [ 3548.400278][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3548.401004][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3548.401004][ T10] netdev_get_by_index+0x5e/0x80 [ 3548.401004][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3548.401004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3548.401004][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3548.401004][ T10] ipv6_add_addr+0x411/0x2000 [ 3548.401004][ T10] inet6_addr_add+0x30e/0xa40 [ 3548.401004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.401004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.401004][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.401004][ T10] netlink_unicast+0x449/0x710 [ 3548.401004][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.401004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.401004][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.401004][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.401004][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.401004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.401004][ T10] [ 3548.403007][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3548.403007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3548.403007][ T10] ipv6_find_idev+0x102/0x170 [ 3548.403007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.403007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.403007][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.403007][ T10] netlink_unicast+0x449/0x710 [ 3548.403007][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.403007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.403007][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.403007][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.403007][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.403007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.403007][ T10] [ 3548.404538][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3548.404538][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3548.404538][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3548.404538][ T10] ipv6_find_idev+0x102/0x170 [ 3548.404538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.404538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.404538][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.404538][ T10] netlink_unicast+0x449/0x710 [ 3548.404538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.404538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.404538][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.404538][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.404538][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.404538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.404538][ T10] [ 3548.406211][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3548.406476][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3548.406476][ T10] netdev_get_by_index+0x5e/0x80 [ 3548.406476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3548.406476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3548.406476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3548.406476][ T10] ipv6_add_addr+0x411/0x2000 [ 3548.406476][ T10] inet6_addr_add+0x30e/0xa40 [ 3548.406476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.406476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.406476][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.406476][ T10] netlink_unicast+0x449/0x710 [ 3548.406476][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.406476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.406476][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.406476][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.406476][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.406476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.406476][ T10] [ 3548.408421][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3548.408421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3548.408421][ T10] ipv6_find_idev+0x102/0x170 [ 3548.408421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.408421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.408421][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.408421][ T10] netlink_unicast+0x449/0x710 [ 3548.408421][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.408421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.408421][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.408421][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.408421][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.408421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.408421][ T10] [ 3548.409888][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3548.409888][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3548.409888][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3548.409888][ T10] ipv6_find_idev+0x102/0x170 [ 3548.409888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.409888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.409888][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.409888][ T10] netlink_unicast+0x449/0x710 [ 3548.409888][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.409888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.409888][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.409888][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.409888][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.409888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.409888][ T10] [ 3548.411523][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3548.411791][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3548.411791][ T10] netdev_get_by_index+0x5e/0x80 [ 3548.411791][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3548.411791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3548.411791][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3548.411791][ T10] ipv6_add_addr+0x411/0x2000 [ 3548.411791][ T10] inet6_addr_add+0x30e/0xa40 [ 3548.411791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.411791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.411791][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.411791][ T10] netlink_unicast+0x449/0x710 [ 3548.411791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.411791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.411791][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.411791][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.411791][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.411791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.411791][ T10] [ 3548.413734][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3548.413734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3548.413734][ T10] ipv6_find_idev+0x102/0x170 [ 3548.413734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.413734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.413734][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.413734][ T10] netlink_unicast+0x449/0x710 [ 3548.413734][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.413734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.413734][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.413734][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.413734][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.413734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.413734][ T10] [ 3548.415200][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3548.415200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3548.415200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3548.415200][ T10] ipv6_find_idev+0x102/0x170 [ 3548.415200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.415200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.415200][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.415200][ T10] netlink_unicast+0x449/0x710 [ 3548.415200][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.415200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.415200][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.415200][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.415200][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.415200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.415200][ T10] [ 3548.416876][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3548.417138][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3548.417138][ T10] netdev_get_by_index+0x5e/0x80 [ 3548.417138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3548.417138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3548.417138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3548.417138][ T10] ipv6_add_addr+0x411/0x2000 [ 3548.417138][ T10] inet6_addr_add+0x30e/0xa40 [ 3548.417138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.417138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.417138][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.417138][ T10] netlink_unicast+0x449/0x710 [ 3548.417138][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.417138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.417138][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.417138][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.417138][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.417138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.417138][ T10] [ 3548.419129][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3548.419129][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3548.419129][ T10] ipv6_find_idev+0x102/0x170 [ 3548.419129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.419129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.419129][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.419129][ T10] netlink_unicast+0x449/0x710 [ 3548.419129][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.419129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.419129][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.419129][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.419129][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.419129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.419129][ T10] [ 3548.420616][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3548.420616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3548.420616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3548.420616][ T10] ipv6_find_idev+0x102/0x170 [ 3548.420616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.420616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.420616][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.420616][ T10] netlink_unicast+0x449/0x710 [ 3548.420616][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.420616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.420616][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.420616][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.420616][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.420616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.420616][ T10] [ 3548.422433][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3548.422702][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3548.422702][ T10] netdev_get_by_index+0x5e/0x80 [ 3548.422702][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3548.422702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3548.422702][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3548.422702][ T10] ipv6_add_addr+0x411/0x2000 [ 3548.422702][ T10] inet6_addr_add+0x30e/0xa40 [ 3548.422702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.422702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.422702][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.422702][ T10] netlink_unicast+0x449/0x710 [ 3548.422702][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.422702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.422702][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.422702][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.422702][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.422702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.422702][ T10] [ 3548.424661][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3548.424661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3548.424661][ T10] ipv6_find_idev+0x102/0x170 [ 3548.424661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.424661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.424661][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.424661][ T10] netlink_unicast+0x449/0x710 [ 3548.424661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.424661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.424661][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.424661][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.424661][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.424661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.424661][ T10] [ 3548.426240][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3548.426240][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3548.426240][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3548.426240][ T10] ipv6_find_idev+0x102/0x170 [ 3548.426240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.426240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.426240][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.426240][ T10] netlink_unicast+0x449/0x710 [ 3548.426240][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.426240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.426240][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.426240][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.426240][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.426240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.426240][ T10] [ 3548.428183][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3548.428458][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3548.428458][ T10] netdev_get_by_index+0x5e/0x80 [ 3548.428458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3548.428458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3548.428458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3548.428458][ T10] ipv6_add_addr+0x411/0x2000 [ 3548.428458][ T10] inet6_addr_add+0x30e/0xa40 [ 3548.428458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.428458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.428458][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.428458][ T10] netlink_unicast+0x449/0x710 [ 3548.428458][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.428458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.428458][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.428458][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.428458][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.428458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.428458][ T10] [ 3548.430668][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3548.430668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3548.430668][ T10] ipv6_find_idev+0x102/0x170 [ 3548.430668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.430668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.430668][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.430668][ T10] netlink_unicast+0x449/0x710 [ 3548.430668][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.430668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.430668][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.430668][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.430668][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.430668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.430668][ T10] [ 3548.432352][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3548.432352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3548.432352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3548.432352][ T10] ipv6_find_idev+0x102/0x170 [ 3548.432352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.432352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.432352][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.432352][ T10] netlink_unicast+0x449/0x710 [ 3548.432352][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.432352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.432352][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.432352][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.432352][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.432352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.432352][ T10] [ 3548.434164][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3548.434420][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3548.434420][ T10] netdev_get_by_index+0x5e/0x80 [ 3548.434420][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3548.434420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3548.434420][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3548.434420][ T10] ipv6_add_addr+0x411/0x2000 [ 3548.434420][ T10] inet6_addr_add+0x30e/0xa40 [ 3548.434420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.434420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.434420][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.434420][ T10] netlink_unicast+0x449/0x710 [ 3548.434420][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.434420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.434420][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.434420][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.434420][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.434420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.434420][ T10] [ 3548.436614][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3548.436614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3548.436614][ T10] ipv6_find_idev+0x102/0x170 [ 3548.436614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.436614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.436614][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.436614][ T10] netlink_unicast+0x449/0x710 [ 3548.436614][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.436614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.436614][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.436614][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.436614][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.436614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.436614][ T10] [ 3548.438375][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3548.438375][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3548.438375][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3548.438375][ T10] ipv6_find_idev+0x102/0x170 [ 3548.438375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.438375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.438375][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.438375][ T10] netlink_unicast+0x449/0x710 [ 3548.438375][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.438375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.438375][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.438375][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.438375][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.438375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.438375][ T10] [ 3548.440238][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3548.440493][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3548.440493][ T10] netdev_get_by_index+0x5e/0x80 [ 3548.440493][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3548.440493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3548.440493][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3548.440493][ T10] ipv6_add_addr+0x411/0x2000 [ 3548.440493][ T10] inet6_addr_add+0x30e/0xa40 [ 3548.440493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3548.440493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.440493][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.440493][ T10] netlink_unicast+0x449/0x710 [ 3548.440493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.440493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.440493][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.440493][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.440493][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.440493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.440493][ T10] [ 3548.442602][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3548.442602][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3548.442602][ T10] ipv6_find_idev+0x102/0x170 [ 3548.442602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.442602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.442602][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.442602][ T10] netlink_unicast+0x449/0x710 [ 3548.442602][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.442602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.442602][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.442602][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.442602][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.442602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.442602][ T10] [ 3548.444240][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3548.444240][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3548.444240][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3548.444240][ T10] ipv6_find_idev+0x102/0x170 [ 3548.444240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3548.444240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3548.444240][ T10] netlink_rcv_skb+0x130/0x360 [ 3548.444240][ T10] netlink_unicast+0x449/0x710 [ 3548.444240][ T10] netlink_sendmsg+0x723/0xbe0 [ 3548.444240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3548.444240][ T10] ___sys_sendmsg+0xee/0x170 [ 3548.444240][ T10] __sys_sendmsg+0xcd/0x170 [ 3548.444240][ T10] do_syscall_64+0xc6/0x1e0 [ 3548.444240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3548.444240][ T10] [ 3558.512280][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3558.513019][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3558.513019][ T10] netdev_get_by_index+0x5e/0x80 [ 3558.513019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3558.513019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3558.513019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3558.513019][ T10] ipv6_add_addr+0x411/0x2000 [ 3558.513019][ T10] inet6_addr_add+0x30e/0xa40 [ 3558.513019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3558.513019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.513019][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.513019][ T10] netlink_unicast+0x449/0x710 [ 3558.513019][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.513019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.513019][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.513019][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.513019][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.513019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.513019][ T10] [ 3558.514980][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3558.514980][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3558.514980][ T10] ipv6_find_idev+0x102/0x170 [ 3558.514980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.514980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.514980][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.514980][ T10] netlink_unicast+0x449/0x710 [ 3558.514980][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.514980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.514980][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.514980][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.514980][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.514980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.514980][ T10] [ 3558.516472][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3558.516472][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3558.516472][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3558.516472][ T10] ipv6_find_idev+0x102/0x170 [ 3558.516472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.516472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.516472][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.516472][ T10] netlink_unicast+0x449/0x710 [ 3558.516472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.516472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.516472][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.516472][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.516472][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.516472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.516472][ T10] [ 3558.518149][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3558.518432][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3558.518432][ T10] netdev_get_by_index+0x5e/0x80 [ 3558.518432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3558.518432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3558.518432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3558.518432][ T10] ipv6_add_addr+0x411/0x2000 [ 3558.518432][ T10] inet6_addr_add+0x30e/0xa40 [ 3558.518432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3558.518432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.518432][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.518432][ T10] netlink_unicast+0x449/0x710 [ 3558.518432][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.518432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.518432][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.518432][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.518432][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.518432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.518432][ T10] [ 3558.520396][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3558.520396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3558.520396][ T10] ipv6_find_idev+0x102/0x170 [ 3558.520396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.520396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.520396][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.520396][ T10] netlink_unicast+0x449/0x710 [ 3558.520396][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.520396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.520396][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.520396][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.520396][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.520396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.520396][ T10] [ 3558.521913][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3558.521913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3558.521913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3558.521913][ T10] ipv6_find_idev+0x102/0x170 [ 3558.521913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.521913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.521913][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.521913][ T10] netlink_unicast+0x449/0x710 [ 3558.521913][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.521913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.521913][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.521913][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.521913][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.521913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.521913][ T10] [ 3558.523541][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3558.523827][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3558.523827][ T10] netdev_get_by_index+0x5e/0x80 [ 3558.523827][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3558.523827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3558.523827][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3558.523827][ T10] ipv6_add_addr+0x411/0x2000 [ 3558.523827][ T10] inet6_addr_add+0x30e/0xa40 [ 3558.523827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3558.523827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.523827][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.523827][ T10] netlink_unicast+0x449/0x710 [ 3558.523827][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.523827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.523827][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.523827][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.523827][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.523827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.523827][ T10] [ 3558.525802][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3558.525802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3558.525802][ T10] ipv6_find_idev+0x102/0x170 [ 3558.525802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.525802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.525802][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.525802][ T10] netlink_unicast+0x449/0x710 [ 3558.525802][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.525802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.525802][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.525802][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.525802][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.525802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.525802][ T10] [ 3558.527285][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3558.527285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3558.527285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3558.527285][ T10] ipv6_find_idev+0x102/0x170 [ 3558.527285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.527285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.527285][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.527285][ T10] netlink_unicast+0x449/0x710 [ 3558.527285][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.527285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.527285][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.527285][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.527285][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.527285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.527285][ T10] [ 3558.528946][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3558.529662][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3558.529662][ T10] netdev_get_by_index+0x5e/0x80 [ 3558.529662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3558.529662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3558.529662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3558.529662][ T10] ipv6_add_addr+0x411/0x2000 [ 3558.529662][ T10] inet6_addr_add+0x30e/0xa40 [ 3558.529662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3558.529662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.529662][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.529662][ T10] netlink_unicast+0x449/0x710 [ 3558.529662][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.529662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.529662][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.529662][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.529662][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.529662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.529662][ T10] [ 3558.531606][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3558.531606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3558.531606][ T10] ipv6_find_idev+0x102/0x170 [ 3558.531606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.531606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.531606][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.531606][ T10] netlink_unicast+0x449/0x710 [ 3558.531606][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.531606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.531606][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.531606][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.531606][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.531606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.531606][ T10] [ 3558.533112][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3558.533112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3558.533112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3558.533112][ T10] ipv6_find_idev+0x102/0x170 [ 3558.533112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.533112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.533112][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.533112][ T10] netlink_unicast+0x449/0x710 [ 3558.533112][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.533112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.533112][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.533112][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.533112][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.533112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.533112][ T10] [ 3558.534791][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3558.535051][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3558.535051][ T10] netdev_get_by_index+0x5e/0x80 [ 3558.535051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3558.535051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3558.535051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3558.535051][ T10] ipv6_add_addr+0x411/0x2000 [ 3558.535051][ T10] inet6_addr_add+0x30e/0xa40 [ 3558.535051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3558.535051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.535051][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.535051][ T10] netlink_unicast+0x449/0x710 [ 3558.535051][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.535051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.535051][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.535051][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.535051][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.535051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.535051][ T10] [ 3558.537027][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3558.537027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3558.537027][ T10] ipv6_find_idev+0x102/0x170 [ 3558.537027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.537027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.537027][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.537027][ T10] netlink_unicast+0x449/0x710 [ 3558.537027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.537027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.537027][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.537027][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.537027][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.537027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.537027][ T10] [ 3558.538538][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3558.538538][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3558.538538][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3558.538538][ T10] ipv6_find_idev+0x102/0x170 [ 3558.538538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.538538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.538538][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.538538][ T10] netlink_unicast+0x449/0x710 [ 3558.538538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.538538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.538538][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.538538][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.538538][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.538538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.538538][ T10] [ 3558.540228][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3558.540484][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3558.540484][ T10] netdev_get_by_index+0x5e/0x80 [ 3558.540484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3558.540484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3558.540484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3558.540484][ T10] ipv6_add_addr+0x411/0x2000 [ 3558.540484][ T10] inet6_addr_add+0x30e/0xa40 [ 3558.540484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3558.540484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.540484][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.540484][ T10] netlink_unicast+0x449/0x710 [ 3558.540484][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.540484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.540484][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.540484][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.540484][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.540484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.540484][ T10] [ 3558.542486][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3558.542486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3558.542486][ T10] ipv6_find_idev+0x102/0x170 [ 3558.542486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.542486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.542486][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.542486][ T10] netlink_unicast+0x449/0x710 [ 3558.542486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.542486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.542486][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.542486][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.542486][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.542486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.542486][ T10] [ 3558.544136][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3558.544136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3558.544136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3558.544136][ T10] ipv6_find_idev+0x102/0x170 [ 3558.544136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.544136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.544136][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.544136][ T10] netlink_unicast+0x449/0x710 [ 3558.544136][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.544136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.544136][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.544136][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.544136][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.544136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.544136][ T10] [ 3558.545855][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3558.546117][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3558.546117][ T10] netdev_get_by_index+0x5e/0x80 [ 3558.546117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3558.546117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3558.546117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3558.546117][ T10] ipv6_add_addr+0x411/0x2000 [ 3558.546117][ T10] inet6_addr_add+0x30e/0xa40 [ 3558.546117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3558.546117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.546117][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.546117][ T10] netlink_unicast+0x449/0x710 [ 3558.546117][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.546117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.546117][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.546117][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.546117][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.546117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.546117][ T10] [ 3558.548175][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3558.548175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3558.548175][ T10] ipv6_find_idev+0x102/0x170 [ 3558.548175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.548175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.548175][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.548175][ T10] netlink_unicast+0x449/0x710 [ 3558.548175][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.548175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.548175][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.548175][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.548175][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.548175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.548175][ T10] [ 3558.549832][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3558.549832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3558.549832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3558.549832][ T10] ipv6_find_idev+0x102/0x170 [ 3558.549832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.549832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.549832][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.549832][ T10] netlink_unicast+0x449/0x710 [ 3558.549832][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.549832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.549832][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.549832][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.549832][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.549832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.549832][ T10] [ 3558.551593][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3558.551848][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3558.551848][ T10] netdev_get_by_index+0x5e/0x80 [ 3558.551848][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3558.551848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3558.551848][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3558.551848][ T10] ipv6_add_addr+0x411/0x2000 [ 3558.551848][ T10] inet6_addr_add+0x30e/0xa40 [ 3558.551848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3558.551848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.551848][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.551848][ T10] netlink_unicast+0x449/0x710 [ 3558.551848][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.551848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.551848][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.551848][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.551848][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.551848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.551848][ T10] [ 3558.553907][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3558.553907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3558.553907][ T10] ipv6_find_idev+0x102/0x170 [ 3558.553907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.553907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.553907][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.553907][ T10] netlink_unicast+0x449/0x710 [ 3558.553907][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.553907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.553907][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.553907][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.553907][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.553907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.553907][ T10] [ 3558.555520][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3558.555520][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3558.555520][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3558.555520][ T10] ipv6_find_idev+0x102/0x170 [ 3558.555520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3558.555520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3558.555520][ T10] netlink_rcv_skb+0x130/0x360 [ 3558.555520][ T10] netlink_unicast+0x449/0x710 [ 3558.555520][ T10] netlink_sendmsg+0x723/0xbe0 [ 3558.555520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3558.555520][ T10] ___sys_sendmsg+0xee/0x170 [ 3558.555520][ T10] __sys_sendmsg+0xcd/0x170 [ 3558.555520][ T10] do_syscall_64+0xc6/0x1e0 [ 3558.555520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3558.555520][ T10] [ 3564.824291][ T42] INFO: task modprobe:14771 blocked for more than 491 seconds. [ 3564.824986][ T42] Not tainted 6.8.0-virtme #1 [ 3564.825156][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3564.825373][ T42] task:modprobe state:D stack:25856 pid:14771 tgid:14771 ppid:36 flags:0x00004002 [ 3564.825617][ T42] Call Trace: [ 3564.825711][ T42] [ 3564.825780][ T42] __schedule+0x705/0x1ac0 [ 3564.825911][ T42] ? __pfx___schedule+0x10/0x10 [ 3564.826033][ T42] ? schedule+0x1a5/0x210 [ 3564.826144][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3564.826275][ T42] ? mark_lock+0x38/0x3e0 [ 3564.826378][ T42] ? do_raw_spin_lock+0x131/0x270 [ 3564.826501][ T42] ? schedule+0x1a5/0x210 [ 3564.826596][ T42] schedule+0xdf/0x210 [ 3564.826688][ T42] schedule_preempt_disabled+0x15/0x30 [ 3564.826805][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 3564.826932][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 3564.827112][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3564.827247][ T42] ? lock_acquire+0x1c1/0x220 [ 3564.827368][ T42] ? register_pernet_subsys+0x1a/0x50 [ 3564.827497][ T42] down_write+0x1c9/0x200 [ 3564.827592][ T42] ? __pfx_down_write+0x10/0x10 [ 3564.827719][ T42] ? __lock_release+0x103/0x460 [ 3564.827840][ T42] ? __create_object+0x5e/0xb0 [ 3564.827962][ T42] ? __pfx___lock_release+0x10/0x10 [ 3564.828108][ T42] register_pernet_subsys+0x1a/0x50 [ 3564.828248][ T42] tcf_register_action+0xa3/0x600 [ 3564.828371][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 3564.828531][ T42] do_one_initcall+0xc8/0x3f0 [ 3564.828655][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 3564.828782][ T42] ? __create_object+0x5e/0xb0 [ 3564.828906][ T42] ? kasan_unpoison+0x27/0x60 [ 3564.829032][ T42] do_init_module+0x233/0x740 [ 3564.829184][ T42] load_module+0x16b5/0x2350 [ 3564.829332][ T42] ? __pfx_load_module+0x10/0x10 [ 3564.829454][ T42] ? kernel_read_file+0x3d2/0x520 [ 3564.829579][ T42] ? kernel_read_file+0x300/0x520 [ 3564.829702][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 3564.829850][ T42] ? init_module_from_file+0xd2/0x130 [ 3564.829974][ T42] init_module_from_file+0xd2/0x130 [ 3564.830107][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 3564.830261][ T42] ? __lock_release+0x103/0x460 [ 3564.830385][ T42] ? idempotent_init_module+0x32a/0x620 [ 3564.830520][ T42] ? idempotent_init_module+0x32a/0x620 [ 3564.830642][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 3564.830767][ T42] idempotent_init_module+0x342/0x620 [ 3564.830891][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 3564.831074][ T42] __x64_sys_finit_module+0xbe/0x130 [ 3564.831201][ T42] do_syscall_64+0xc6/0x1e0 [ 3564.831322][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3564.831473][ T42] RIP: 0033:0x7f9f7563de5d [ 3564.831598][ T42] RSP: 002b:00007ffe3a6850f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 3564.831780][ T42] RAX: ffffffffffffffda RBX: 0000558501133c00 RCX: 00007f9f7563de5d [ 3564.831955][ T42] RDX: 0000000000000000 RSI: 00005584c204fa2a RDI: 0000000000000000 [ 3564.832141][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe3a685230 [ 3564.832318][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584c204fa2a [ 3564.832496][ T42] R13: 0000558501133b10 R14: 0000558501133f40 R15: 0000558501133c72 [ 3564.832685][ T42] [ 3564.832776][ T42] [ 3564.832776][ T42] Showing all locks held in the system: [ 3564.832946][ T42] 3 locks held by kworker/u16:0/10: [ 3564.833063][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3564.833331][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3564.833562][ T42] #2: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 3564.833782][ T42] 2 locks held by kworker/u17:0/36: [ 3564.833898][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3564.834160][ T42] #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3564.834432][ T42] 1 lock held by khungtaskd/42: [ 3564.834548][ T42] #0: ffffffff96f69160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 3564.834778][ T42] 1 lock held by modprobe/14771: [ 3564.834893][ T42] #0: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 3564.835159][ T42] [ 3564.835222][ T42] ============================================= [ 3564.835222][ T42] [ 3568.656293][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3568.656999][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3568.656999][ T10] netdev_get_by_index+0x5e/0x80 [ 3568.656999][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3568.656999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3568.656999][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3568.656999][ T10] ipv6_add_addr+0x411/0x2000 [ 3568.656999][ T10] inet6_addr_add+0x30e/0xa40 [ 3568.656999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.656999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.656999][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.656999][ T10] netlink_unicast+0x449/0x710 [ 3568.656999][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.656999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.656999][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.656999][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.656999][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.656999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.656999][ T10] [ 3568.658955][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3568.658955][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3568.658955][ T10] ipv6_find_idev+0x102/0x170 [ 3568.658955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.658955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.658955][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.658955][ T10] netlink_unicast+0x449/0x710 [ 3568.658955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.658955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.658955][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.658955][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.658955][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.658955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.658955][ T10] [ 3568.660482][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3568.660482][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3568.660482][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3568.660482][ T10] ipv6_find_idev+0x102/0x170 [ 3568.660482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.660482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.660482][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.660482][ T10] netlink_unicast+0x449/0x710 [ 3568.660482][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.660482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.660482][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.660482][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.660482][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.660482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.660482][ T10] [ 3568.662111][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3568.662371][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3568.662371][ T10] netdev_get_by_index+0x5e/0x80 [ 3568.662371][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3568.662371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3568.662371][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3568.662371][ T10] ipv6_add_addr+0x411/0x2000 [ 3568.662371][ T10] inet6_addr_add+0x30e/0xa40 [ 3568.662371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.662371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.662371][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.662371][ T10] netlink_unicast+0x449/0x710 [ 3568.662371][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.662371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.662371][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.662371][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.662371][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.662371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.662371][ T10] [ 3568.664280][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3568.664280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3568.664280][ T10] ipv6_find_idev+0x102/0x170 [ 3568.664280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.664280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.664280][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.664280][ T10] netlink_unicast+0x449/0x710 [ 3568.664280][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.664280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.664280][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.664280][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.664280][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.664280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.664280][ T10] [ 3568.665790][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3568.665790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3568.665790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3568.665790][ T10] ipv6_find_idev+0x102/0x170 [ 3568.665790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.665790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.665790][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.665790][ T10] netlink_unicast+0x449/0x710 [ 3568.665790][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.665790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.665790][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.665790][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.665790][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.665790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.665790][ T10] [ 3568.667420][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3568.667679][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3568.667679][ T10] netdev_get_by_index+0x5e/0x80 [ 3568.667679][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3568.667679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3568.667679][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3568.667679][ T10] ipv6_add_addr+0x411/0x2000 [ 3568.667679][ T10] inet6_addr_add+0x30e/0xa40 [ 3568.667679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.667679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.667679][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.667679][ T10] netlink_unicast+0x449/0x710 [ 3568.667679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.667679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.667679][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.667679][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.667679][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.667679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.667679][ T10] [ 3568.669652][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3568.669652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3568.669652][ T10] ipv6_find_idev+0x102/0x170 [ 3568.669652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.669652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.669652][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.669652][ T10] netlink_unicast+0x449/0x710 [ 3568.669652][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.669652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.669652][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.669652][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.669652][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.669652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.669652][ T10] [ 3568.671160][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3568.671160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3568.671160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3568.671160][ T10] ipv6_find_idev+0x102/0x170 [ 3568.671160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.671160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.671160][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.671160][ T10] netlink_unicast+0x449/0x710 [ 3568.671160][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.671160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.671160][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.671160][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.671160][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.671160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.671160][ T10] [ 3568.672813][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3568.673099][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3568.673099][ T10] netdev_get_by_index+0x5e/0x80 [ 3568.673099][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3568.673099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3568.673099][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3568.673099][ T10] ipv6_add_addr+0x411/0x2000 [ 3568.673099][ T10] inet6_addr_add+0x30e/0xa40 [ 3568.673099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.673099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.673099][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.673099][ T10] netlink_unicast+0x449/0x710 [ 3568.673099][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.673099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.673099][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.673099][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.673099][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.673099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.673099][ T10] [ 3568.675048][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3568.675048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3568.675048][ T10] ipv6_find_idev+0x102/0x170 [ 3568.675048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.675048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.675048][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.675048][ T10] netlink_unicast+0x449/0x710 [ 3568.675048][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.675048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.675048][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.675048][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.675048][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.675048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.675048][ T10] [ 3568.676547][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3568.676547][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3568.676547][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3568.676547][ T10] ipv6_find_idev+0x102/0x170 [ 3568.676547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.676547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.676547][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.676547][ T10] netlink_unicast+0x449/0x710 [ 3568.676547][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.676547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.676547][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.676547][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.676547][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.676547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.676547][ T10] [ 3568.678156][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3568.678432][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3568.678432][ T10] netdev_get_by_index+0x5e/0x80 [ 3568.678432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3568.678432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3568.678432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3568.678432][ T10] ipv6_add_addr+0x411/0x2000 [ 3568.678432][ T10] inet6_addr_add+0x30e/0xa40 [ 3568.678432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.678432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.678432][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.678432][ T10] netlink_unicast+0x449/0x710 [ 3568.678432][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.678432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.678432][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.678432][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.678432][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.678432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.678432][ T10] [ 3568.680377][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3568.680377][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3568.680377][ T10] ipv6_find_idev+0x102/0x170 [ 3568.680377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.680377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.680377][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.680377][ T10] netlink_unicast+0x449/0x710 [ 3568.680377][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.680377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.680377][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.680377][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.680377][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.680377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.680377][ T10] [ 3568.681958][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3568.681958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3568.681958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3568.681958][ T10] ipv6_find_idev+0x102/0x170 [ 3568.681958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.681958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.681958][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.681958][ T10] netlink_unicast+0x449/0x710 [ 3568.681958][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.681958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.681958][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.681958][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.681958][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.681958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.681958][ T10] [ 3568.683866][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3568.684125][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3568.684125][ T10] netdev_get_by_index+0x5e/0x80 [ 3568.684125][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3568.684125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3568.684125][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3568.684125][ T10] ipv6_add_addr+0x411/0x2000 [ 3568.684125][ T10] inet6_addr_add+0x30e/0xa40 [ 3568.684125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.684125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.684125][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.684125][ T10] netlink_unicast+0x449/0x710 [ 3568.684125][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.684125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.684125][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.684125][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.684125][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.684125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.684125][ T10] [ 3568.686334][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3568.686334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3568.686334][ T10] ipv6_find_idev+0x102/0x170 [ 3568.686334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.686334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.686334][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.686334][ T10] netlink_unicast+0x449/0x710 [ 3568.686334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.686334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.686334][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.686334][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.686334][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.686334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.686334][ T10] [ 3568.687998][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3568.687998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3568.687998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3568.687998][ T10] ipv6_find_idev+0x102/0x170 [ 3568.687998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.687998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.687998][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.687998][ T10] netlink_unicast+0x449/0x710 [ 3568.687998][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.687998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.687998][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.687998][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.687998][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.687998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.687998][ T10] [ 3568.689941][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3568.690258][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3568.690258][ T10] netdev_get_by_index+0x5e/0x80 [ 3568.690258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3568.690258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3568.690258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3568.690258][ T10] ipv6_add_addr+0x411/0x2000 [ 3568.690258][ T10] inet6_addr_add+0x30e/0xa40 [ 3568.690258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.690258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.690258][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.690258][ T10] netlink_unicast+0x449/0x710 [ 3568.690258][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.690258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.690258][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.690258][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.690258][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.690258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.690258][ T10] [ 3568.692866][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3568.692866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3568.692866][ T10] ipv6_find_idev+0x102/0x170 [ 3568.692866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.692866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.692866][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.692866][ T10] netlink_unicast+0x449/0x710 [ 3568.692866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.692866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.692866][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.692866][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.692866][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.692866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.692866][ T10] [ 3568.694564][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3568.694564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3568.694564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3568.694564][ T10] ipv6_find_idev+0x102/0x170 [ 3568.694564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.694564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.694564][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.694564][ T10] netlink_unicast+0x449/0x710 [ 3568.694564][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.694564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.694564][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.694564][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.694564][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.694564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.694564][ T10] [ 3568.696414][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3568.696674][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3568.696674][ T10] netdev_get_by_index+0x5e/0x80 [ 3568.696674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3568.696674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3568.696674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3568.696674][ T10] ipv6_add_addr+0x411/0x2000 [ 3568.696674][ T10] inet6_addr_add+0x30e/0xa40 [ 3568.696674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3568.696674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.696674][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.696674][ T10] netlink_unicast+0x449/0x710 [ 3568.696674][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.696674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.696674][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.696674][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.696674][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.696674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.696674][ T10] [ 3568.698884][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3568.698884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3568.698884][ T10] ipv6_find_idev+0x102/0x170 [ 3568.698884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.698884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.698884][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.698884][ T10] netlink_unicast+0x449/0x710 [ 3568.698884][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.698884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.698884][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.698884][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.698884][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.698884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.698884][ T10] [ 3568.700552][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3568.700552][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3568.700552][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3568.700552][ T10] ipv6_find_idev+0x102/0x170 [ 3568.700552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3568.700552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3568.700552][ T10] netlink_rcv_skb+0x130/0x360 [ 3568.700552][ T10] netlink_unicast+0x449/0x710 [ 3568.700552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3568.700552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3568.700552][ T10] ___sys_sendmsg+0xee/0x170 [ 3568.700552][ T10] __sys_sendmsg+0xcd/0x170 [ 3568.700552][ T10] do_syscall_64+0xc6/0x1e0 [ 3568.700552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3568.700552][ T10] [ 3578.848286][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3578.849100][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3578.849100][ T10] netdev_get_by_index+0x5e/0x80 [ 3578.849100][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3578.849100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3578.849100][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3578.849100][ T10] ipv6_add_addr+0x411/0x2000 [ 3578.849100][ T10] inet6_addr_add+0x30e/0xa40 [ 3578.849100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.849100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.849100][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.849100][ T10] netlink_unicast+0x449/0x710 [ 3578.849100][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.849100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.849100][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.849100][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.849100][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.849100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.849100][ T10] [ 3578.851030][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3578.851030][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3578.851030][ T10] ipv6_find_idev+0x102/0x170 [ 3578.851030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.851030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.851030][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.851030][ T10] netlink_unicast+0x449/0x710 [ 3578.851030][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.851030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.851030][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.851030][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.851030][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.851030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.851030][ T10] [ 3578.852512][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3578.852512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3578.852512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3578.852512][ T10] ipv6_find_idev+0x102/0x170 [ 3578.852512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.852512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.852512][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.852512][ T10] netlink_unicast+0x449/0x710 [ 3578.852512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.852512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.852512][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.852512][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.852512][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.852512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.852512][ T10] [ 3578.854131][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3578.854389][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3578.854389][ T10] netdev_get_by_index+0x5e/0x80 [ 3578.854389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3578.854389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3578.854389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3578.854389][ T10] ipv6_add_addr+0x411/0x2000 [ 3578.854389][ T10] inet6_addr_add+0x30e/0xa40 [ 3578.854389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.854389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.854389][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.854389][ T10] netlink_unicast+0x449/0x710 [ 3578.854389][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.854389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.854389][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.854389][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.854389][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.854389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.854389][ T10] [ 3578.856305][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3578.856305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3578.856305][ T10] ipv6_find_idev+0x102/0x170 [ 3578.856305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.856305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.856305][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.856305][ T10] netlink_unicast+0x449/0x710 [ 3578.856305][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.856305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.856305][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.856305][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.856305][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.856305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.856305][ T10] [ 3578.857781][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3578.857781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3578.857781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3578.857781][ T10] ipv6_find_idev+0x102/0x170 [ 3578.857781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.857781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.857781][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.857781][ T10] netlink_unicast+0x449/0x710 [ 3578.857781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.857781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.857781][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.857781][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.857781][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.857781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.857781][ T10] [ 3578.859407][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3578.859686][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3578.859686][ T10] netdev_get_by_index+0x5e/0x80 [ 3578.859686][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3578.859686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3578.859686][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3578.859686][ T10] ipv6_add_addr+0x411/0x2000 [ 3578.859686][ T10] inet6_addr_add+0x30e/0xa40 [ 3578.859686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.859686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.859686][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.859686][ T10] netlink_unicast+0x449/0x710 [ 3578.859686][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.859686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.859686][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.859686][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.859686][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.859686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.859686][ T10] [ 3578.861630][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3578.861630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3578.861630][ T10] ipv6_find_idev+0x102/0x170 [ 3578.861630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.861630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.861630][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.861630][ T10] netlink_unicast+0x449/0x710 [ 3578.861630][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.861630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.861630][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.861630][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.861630][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.861630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.861630][ T10] [ 3578.863096][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3578.863096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3578.863096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3578.863096][ T10] ipv6_find_idev+0x102/0x170 [ 3578.863096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.863096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.863096][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.863096][ T10] netlink_unicast+0x449/0x710 [ 3578.863096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.863096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.863096][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.863096][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.863096][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.863096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.863096][ T10] [ 3578.864833][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3578.865118][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3578.865118][ T10] netdev_get_by_index+0x5e/0x80 [ 3578.865118][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3578.865118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3578.865118][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3578.865118][ T10] ipv6_add_addr+0x411/0x2000 [ 3578.865118][ T10] inet6_addr_add+0x30e/0xa40 [ 3578.865118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.865118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.865118][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.865118][ T10] netlink_unicast+0x449/0x710 [ 3578.865118][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.865118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.865118][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.865118][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.865118][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.865118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.865118][ T10] [ 3578.867084][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3578.867084][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3578.867084][ T10] ipv6_find_idev+0x102/0x170 [ 3578.867084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.867084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.867084][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.867084][ T10] netlink_unicast+0x449/0x710 [ 3578.867084][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.867084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.867084][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.867084][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.867084][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.867084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.867084][ T10] [ 3578.868608][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3578.868608][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3578.868608][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3578.868608][ T10] ipv6_find_idev+0x102/0x170 [ 3578.868608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.868608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.868608][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.868608][ T10] netlink_unicast+0x449/0x710 [ 3578.868608][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.868608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.868608][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.868608][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.868608][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.868608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.868608][ T10] [ 3578.870678][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3578.870939][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3578.870939][ T10] netdev_get_by_index+0x5e/0x80 [ 3578.870939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3578.870939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3578.870939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3578.870939][ T10] ipv6_add_addr+0x411/0x2000 [ 3578.870939][ T10] inet6_addr_add+0x30e/0xa40 [ 3578.870939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.870939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.870939][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.870939][ T10] netlink_unicast+0x449/0x710 [ 3578.870939][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.870939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.870939][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.870939][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.870939][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.870939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.870939][ T10] [ 3578.872899][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3578.872899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3578.872899][ T10] ipv6_find_idev+0x102/0x170 [ 3578.872899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.872899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.872899][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.872899][ T10] netlink_unicast+0x449/0x710 [ 3578.872899][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.872899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.872899][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.872899][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.872899][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.872899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.872899][ T10] [ 3578.874407][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3578.874407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3578.874407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3578.874407][ T10] ipv6_find_idev+0x102/0x170 [ 3578.874407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.874407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.874407][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.874407][ T10] netlink_unicast+0x449/0x710 [ 3578.874407][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.874407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.874407][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.874407][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.874407][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.874407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.874407][ T10] [ 3578.876129][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3578.876398][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3578.876398][ T10] netdev_get_by_index+0x5e/0x80 [ 3578.876398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3578.876398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3578.876398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3578.876398][ T10] ipv6_add_addr+0x411/0x2000 [ 3578.876398][ T10] inet6_addr_add+0x30e/0xa40 [ 3578.876398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.876398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.876398][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.876398][ T10] netlink_unicast+0x449/0x710 [ 3578.876398][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.876398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.876398][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.876398][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.876398][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.876398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.876398][ T10] [ 3578.878489][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3578.878489][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3578.878489][ T10] ipv6_find_idev+0x102/0x170 [ 3578.878489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.878489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.878489][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.878489][ T10] netlink_unicast+0x449/0x710 [ 3578.878489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.878489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.878489][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.878489][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.878489][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.878489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.878489][ T10] [ 3578.880241][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3578.880241][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3578.880241][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3578.880241][ T10] ipv6_find_idev+0x102/0x170 [ 3578.880241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.880241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.880241][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.880241][ T10] netlink_unicast+0x449/0x710 [ 3578.880241][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.880241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.880241][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.880241][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.880241][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.880241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.880241][ T10] [ 3578.882053][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3578.882362][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3578.882362][ T10] netdev_get_by_index+0x5e/0x80 [ 3578.882362][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3578.882362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3578.882362][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3578.882362][ T10] ipv6_add_addr+0x411/0x2000 [ 3578.882362][ T10] inet6_addr_add+0x30e/0xa40 [ 3578.882362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.882362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.882362][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.882362][ T10] netlink_unicast+0x449/0x710 [ 3578.882362][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.882362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.882362][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.882362][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.882362][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.882362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.882362][ T10] [ 3578.884496][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3578.884496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3578.884496][ T10] ipv6_find_idev+0x102/0x170 [ 3578.884496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.884496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.884496][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.884496][ T10] netlink_unicast+0x449/0x710 [ 3578.884496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.884496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.884496][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.884496][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.884496][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.884496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.884496][ T10] [ 3578.886185][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3578.886185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3578.886185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3578.886185][ T10] ipv6_find_idev+0x102/0x170 [ 3578.886185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.886185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.886185][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.886185][ T10] netlink_unicast+0x449/0x710 [ 3578.886185][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.886185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.886185][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.886185][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.886185][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.886185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.886185][ T10] [ 3578.888058][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3578.888368][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3578.888368][ T10] netdev_get_by_index+0x5e/0x80 [ 3578.888368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3578.888368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3578.888368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3578.888368][ T10] ipv6_add_addr+0x411/0x2000 [ 3578.888368][ T10] inet6_addr_add+0x30e/0xa40 [ 3578.888368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3578.888368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.888368][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.888368][ T10] netlink_unicast+0x449/0x710 [ 3578.888368][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.888368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.888368][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.888368][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.888368][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.888368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.888368][ T10] [ 3578.890567][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3578.890567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3578.890567][ T10] ipv6_find_idev+0x102/0x170 [ 3578.890567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.890567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.890567][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.890567][ T10] netlink_unicast+0x449/0x710 [ 3578.890567][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.890567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.890567][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.890567][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.890567][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.890567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.890567][ T10] [ 3578.892248][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3578.892248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3578.892248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3578.892248][ T10] ipv6_find_idev+0x102/0x170 [ 3578.892248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3578.892248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3578.892248][ T10] netlink_rcv_skb+0x130/0x360 [ 3578.892248][ T10] netlink_unicast+0x449/0x710 [ 3578.892248][ T10] netlink_sendmsg+0x723/0xbe0 [ 3578.892248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3578.892248][ T10] ___sys_sendmsg+0xee/0x170 [ 3578.892248][ T10] __sys_sendmsg+0xcd/0x170 [ 3578.892248][ T10] do_syscall_64+0xc6/0x1e0 [ 3578.892248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3578.892248][ T10] [ 3589.144285][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3589.145106][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3589.145106][ T10] netdev_get_by_index+0x5e/0x80 [ 3589.145106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3589.145106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3589.145106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3589.145106][ T10] ipv6_add_addr+0x411/0x2000 [ 3589.145106][ T10] inet6_addr_add+0x30e/0xa40 [ 3589.145106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.145106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.145106][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.145106][ T10] netlink_unicast+0x449/0x710 [ 3589.145106][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.145106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.145106][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.145106][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.145106][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.145106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.145106][ T10] [ 3589.147023][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3589.147023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3589.147023][ T10] ipv6_find_idev+0x102/0x170 [ 3589.147023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.147023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.147023][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.147023][ T10] netlink_unicast+0x449/0x710 [ 3589.147023][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.147023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.147023][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.147023][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.147023][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.147023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.147023][ T10] [ 3589.148531][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3589.148531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3589.148531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3589.148531][ T10] ipv6_find_idev+0x102/0x170 [ 3589.148531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.148531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.148531][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.148531][ T10] netlink_unicast+0x449/0x710 [ 3589.148531][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.148531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.148531][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.148531][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.148531][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.148531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.148531][ T10] [ 3589.150238][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3589.150524][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3589.150524][ T10] netdev_get_by_index+0x5e/0x80 [ 3589.150524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3589.150524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3589.150524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3589.150524][ T10] ipv6_add_addr+0x411/0x2000 [ 3589.150524][ T10] inet6_addr_add+0x30e/0xa40 [ 3589.150524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.150524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.150524][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.150524][ T10] netlink_unicast+0x449/0x710 [ 3589.150524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.150524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.150524][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.150524][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.150524][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.150524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.150524][ T10] [ 3589.152478][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3589.152478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3589.152478][ T10] ipv6_find_idev+0x102/0x170 [ 3589.152478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.152478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.152478][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.152478][ T10] netlink_unicast+0x449/0x710 [ 3589.152478][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.152478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.152478][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.152478][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.152478][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.152478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.152478][ T10] [ 3589.153979][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3589.153979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3589.153979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3589.153979][ T10] ipv6_find_idev+0x102/0x170 [ 3589.153979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.153979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.153979][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.153979][ T10] netlink_unicast+0x449/0x710 [ 3589.153979][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.153979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.153979][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.153979][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.153979][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.153979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.153979][ T10] [ 3589.155646][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3589.155913][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3589.155913][ T10] netdev_get_by_index+0x5e/0x80 [ 3589.155913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3589.155913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3589.155913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3589.155913][ T10] ipv6_add_addr+0x411/0x2000 [ 3589.155913][ T10] inet6_addr_add+0x30e/0xa40 [ 3589.155913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.155913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.155913][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.155913][ T10] netlink_unicast+0x449/0x710 [ 3589.155913][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.155913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.155913][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.155913][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.155913][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.155913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.155913][ T10] [ 3589.157866][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3589.157866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3589.157866][ T10] ipv6_find_idev+0x102/0x170 [ 3589.157866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.157866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.157866][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.157866][ T10] netlink_unicast+0x449/0x710 [ 3589.157866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.157866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.157866][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.157866][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.157866][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.157866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.157866][ T10] [ 3589.159369][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3589.159369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3589.159369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3589.159369][ T10] ipv6_find_idev+0x102/0x170 [ 3589.159369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.159369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.159369][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.159369][ T10] netlink_unicast+0x449/0x710 [ 3589.159369][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.159369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.159369][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.159369][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.159369][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.159369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.159369][ T10] [ 3589.161041][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3589.161749][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3589.161749][ T10] netdev_get_by_index+0x5e/0x80 [ 3589.161749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3589.161749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3589.161749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3589.161749][ T10] ipv6_add_addr+0x411/0x2000 [ 3589.161749][ T10] inet6_addr_add+0x30e/0xa40 [ 3589.161749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.161749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.161749][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.161749][ T10] netlink_unicast+0x449/0x710 [ 3589.161749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.161749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.161749][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.161749][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.161749][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.161749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.161749][ T10] [ 3589.163705][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3589.163705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3589.163705][ T10] ipv6_find_idev+0x102/0x170 [ 3589.163705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.163705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.163705][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.163705][ T10] netlink_unicast+0x449/0x710 [ 3589.163705][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.163705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.163705][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.163705][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.163705][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.163705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.163705][ T10] [ 3589.165222][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3589.165222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3589.165222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3589.165222][ T10] ipv6_find_idev+0x102/0x170 [ 3589.165222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.165222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.165222][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.165222][ T10] netlink_unicast+0x449/0x710 [ 3589.165222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.165222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.165222][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.165222][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.165222][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.165222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.165222][ T10] [ 3589.166926][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3589.167243][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3589.167243][ T10] netdev_get_by_index+0x5e/0x80 [ 3589.167243][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3589.167243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3589.167243][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3589.167243][ T10] ipv6_add_addr+0x411/0x2000 [ 3589.167243][ T10] inet6_addr_add+0x30e/0xa40 [ 3589.167243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.167243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.167243][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.167243][ T10] netlink_unicast+0x449/0x710 [ 3589.167243][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.167243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.167243][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.167243][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.167243][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.167243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.167243][ T10] [ 3589.169228][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3589.169228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3589.169228][ T10] ipv6_find_idev+0x102/0x170 [ 3589.169228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.169228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.169228][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.169228][ T10] netlink_unicast+0x449/0x710 [ 3589.169228][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.169228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.169228][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.169228][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.169228][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.169228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.169228][ T10] [ 3589.170717][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3589.170717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3589.170717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3589.170717][ T10] ipv6_find_idev+0x102/0x170 [ 3589.170717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.170717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.170717][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.170717][ T10] netlink_unicast+0x449/0x710 [ 3589.170717][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.170717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.170717][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.170717][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.170717][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.170717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.170717][ T10] [ 3589.172409][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3589.172722][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3589.172722][ T10] netdev_get_by_index+0x5e/0x80 [ 3589.172722][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3589.172722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3589.172722][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3589.172722][ T10] ipv6_add_addr+0x411/0x2000 [ 3589.172722][ T10] inet6_addr_add+0x30e/0xa40 [ 3589.172722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.172722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.172722][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.172722][ T10] netlink_unicast+0x449/0x710 [ 3589.172722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.172722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.172722][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.172722][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.172722][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.172722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.172722][ T10] [ 3589.174760][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3589.174760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3589.174760][ T10] ipv6_find_idev+0x102/0x170 [ 3589.174760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.174760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.174760][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.174760][ T10] netlink_unicast+0x449/0x710 [ 3589.174760][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.174760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.174760][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.174760][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.174760][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.174760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.174760][ T10] [ 3589.176486][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3589.176486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3589.176486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3589.176486][ T10] ipv6_find_idev+0x102/0x170 [ 3589.176486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.176486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.176486][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.176486][ T10] netlink_unicast+0x449/0x710 [ 3589.176486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.176486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.176486][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.176486][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.176486][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.176486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.176486][ T10] [ 3589.178349][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3589.178656][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3589.178656][ T10] netdev_get_by_index+0x5e/0x80 [ 3589.178656][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3589.178656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3589.178656][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3589.178656][ T10] ipv6_add_addr+0x411/0x2000 [ 3589.178656][ T10] inet6_addr_add+0x30e/0xa40 [ 3589.178656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.178656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.178656][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.178656][ T10] netlink_unicast+0x449/0x710 [ 3589.178656][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.178656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.178656][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.178656][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.178656][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.178656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.178656][ T10] [ 3589.180938][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3589.180938][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3589.180938][ T10] ipv6_find_idev+0x102/0x170 [ 3589.180938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.180938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.180938][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.180938][ T10] netlink_unicast+0x449/0x710 [ 3589.180938][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.180938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.180938][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.180938][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.180938][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.180938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.180938][ T10] [ 3589.182627][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3589.182627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3589.182627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3589.182627][ T10] ipv6_find_idev+0x102/0x170 [ 3589.182627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.182627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.182627][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.182627][ T10] netlink_unicast+0x449/0x710 [ 3589.182627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.182627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.182627][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.182627][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.182627][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.182627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.182627][ T10] [ 3589.184480][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3589.184805][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3589.184805][ T10] netdev_get_by_index+0x5e/0x80 [ 3589.184805][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3589.184805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3589.184805][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3589.184805][ T10] ipv6_add_addr+0x411/0x2000 [ 3589.184805][ T10] inet6_addr_add+0x30e/0xa40 [ 3589.184805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3589.184805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.184805][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.184805][ T10] netlink_unicast+0x449/0x710 [ 3589.184805][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.184805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.184805][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.184805][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.184805][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.184805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.184805][ T10] [ 3589.186932][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3589.186932][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3589.186932][ T10] ipv6_find_idev+0x102/0x170 [ 3589.186932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.186932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.186932][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.186932][ T10] netlink_unicast+0x449/0x710 [ 3589.186932][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.186932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.186932][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.186932][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.186932][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.186932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.186932][ T10] [ 3589.188685][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3589.188685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3589.188685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3589.188685][ T10] ipv6_find_idev+0x102/0x170 [ 3589.188685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3589.188685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3589.188685][ T10] netlink_rcv_skb+0x130/0x360 [ 3589.188685][ T10] netlink_unicast+0x449/0x710 [ 3589.188685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3589.188685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3589.188685][ T10] ___sys_sendmsg+0xee/0x170 [ 3589.188685][ T10] __sys_sendmsg+0xcd/0x170 [ 3589.188685][ T10] do_syscall_64+0xc6/0x1e0 [ 3589.188685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3589.188685][ T10] [ 3599.256227][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3599.256663][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3599.256663][ T10] netdev_get_by_index+0x5e/0x80 [ 3599.256663][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3599.256663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3599.256663][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3599.256663][ T10] ipv6_add_addr+0x411/0x2000 [ 3599.256663][ T10] inet6_addr_add+0x30e/0xa40 [ 3599.256663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3599.256663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.256663][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.256663][ T10] netlink_unicast+0x449/0x710 [ 3599.256663][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.256663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.256663][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.256663][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.256663][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.256663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.256663][ T10] [ 3599.258651][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3599.258651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3599.258651][ T10] ipv6_find_idev+0x102/0x170 [ 3599.258651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.258651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.258651][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.258651][ T10] netlink_unicast+0x449/0x710 [ 3599.258651][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.258651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.258651][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.258651][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.258651][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.258651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.258651][ T10] [ 3599.260165][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3599.260165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3599.260165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3599.260165][ T10] ipv6_find_idev+0x102/0x170 [ 3599.260165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.260165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.260165][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.260165][ T10] netlink_unicast+0x449/0x710 [ 3599.260165][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.260165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.260165][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.260165][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.260165][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.260165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.260165][ T10] [ 3599.261829][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3599.262103][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3599.262103][ T10] netdev_get_by_index+0x5e/0x80 [ 3599.262103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3599.262103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3599.262103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3599.262103][ T10] ipv6_add_addr+0x411/0x2000 [ 3599.262103][ T10] inet6_addr_add+0x30e/0xa40 [ 3599.262103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3599.262103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.262103][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.262103][ T10] netlink_unicast+0x449/0x710 [ 3599.262103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.262103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.262103][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.262103][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.262103][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.262103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.262103][ T10] [ 3599.264068][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3599.264068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3599.264068][ T10] ipv6_find_idev+0x102/0x170 [ 3599.264068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.264068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.264068][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.264068][ T10] netlink_unicast+0x449/0x710 [ 3599.264068][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.264068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.264068][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.264068][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.264068][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.264068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.264068][ T10] [ 3599.265585][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3599.265585][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3599.265585][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3599.265585][ T10] ipv6_find_idev+0x102/0x170 [ 3599.265585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.265585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.265585][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.265585][ T10] netlink_unicast+0x449/0x710 [ 3599.265585][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.265585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.265585][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.265585][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.265585][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.265585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.265585][ T10] [ 3599.267236][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3599.267503][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3599.267503][ T10] netdev_get_by_index+0x5e/0x80 [ 3599.267503][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3599.267503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3599.267503][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3599.267503][ T10] ipv6_add_addr+0x411/0x2000 [ 3599.267503][ T10] inet6_addr_add+0x30e/0xa40 [ 3599.267503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3599.267503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.267503][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.267503][ T10] netlink_unicast+0x449/0x710 [ 3599.267503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.267503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.267503][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.267503][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.267503][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.267503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.267503][ T10] [ 3599.269492][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3599.269492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3599.269492][ T10] ipv6_find_idev+0x102/0x170 [ 3599.269492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.269492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.269492][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.269492][ T10] netlink_unicast+0x449/0x710 [ 3599.269492][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.269492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.269492][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.269492][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.269492][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.269492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.269492][ T10] [ 3599.271009][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3599.271009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3599.271009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3599.271009][ T10] ipv6_find_idev+0x102/0x170 [ 3599.271009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.271009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.271009][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.271009][ T10] netlink_unicast+0x449/0x710 [ 3599.271009][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.271009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.271009][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.271009][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.271009][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.271009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.271009][ T10] [ 3599.272677][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3599.272948][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3599.272948][ T10] netdev_get_by_index+0x5e/0x80 [ 3599.272948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3599.272948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3599.272948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3599.272948][ T10] ipv6_add_addr+0x411/0x2000 [ 3599.272948][ T10] inet6_addr_add+0x30e/0xa40 [ 3599.272948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3599.272948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.272948][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.272948][ T10] netlink_unicast+0x449/0x710 [ 3599.272948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.272948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.272948][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.272948][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.272948][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.272948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.272948][ T10] [ 3599.274907][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3599.274907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3599.274907][ T10] ipv6_find_idev+0x102/0x170 [ 3599.274907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.274907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.274907][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.274907][ T10] netlink_unicast+0x449/0x710 [ 3599.274907][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.274907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.274907][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.274907][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.274907][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.274907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.274907][ T10] [ 3599.276419][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3599.276419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3599.276419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3599.276419][ T10] ipv6_find_idev+0x102/0x170 [ 3599.276419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.276419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.276419][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.276419][ T10] netlink_unicast+0x449/0x710 [ 3599.276419][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.276419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.276419][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.276419][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.276419][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.276419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.276419][ T10] [ 3599.278138][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3599.278404][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3599.278404][ T10] netdev_get_by_index+0x5e/0x80 [ 3599.278404][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3599.278404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3599.278404][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3599.278404][ T10] ipv6_add_addr+0x411/0x2000 [ 3599.278404][ T10] inet6_addr_add+0x30e/0xa40 [ 3599.278404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3599.278404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.278404][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.278404][ T10] netlink_unicast+0x449/0x710 [ 3599.278404][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.278404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.278404][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.278404][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.278404][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.278404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.278404][ T10] [ 3599.280410][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3599.280410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3599.280410][ T10] ipv6_find_idev+0x102/0x170 [ 3599.280410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.280410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.280410][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.280410][ T10] netlink_unicast+0x449/0x710 [ 3599.280410][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.280410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.280410][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.280410][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.280410][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.280410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.280410][ T10] [ 3599.281987][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3599.281987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3599.281987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3599.281987][ T10] ipv6_find_idev+0x102/0x170 [ 3599.281987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.281987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.281987][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.281987][ T10] netlink_unicast+0x449/0x710 [ 3599.281987][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.281987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.281987][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.281987][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.281987][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.281987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.281987][ T10] [ 3599.283919][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3599.284230][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3599.284230][ T10] netdev_get_by_index+0x5e/0x80 [ 3599.284230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3599.284230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3599.284230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3599.284230][ T10] ipv6_add_addr+0x411/0x2000 [ 3599.284230][ T10] inet6_addr_add+0x30e/0xa40 [ 3599.284230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3599.284230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.284230][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.284230][ T10] netlink_unicast+0x449/0x710 [ 3599.284230][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.284230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.284230][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.284230][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.284230][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.284230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.284230][ T10] [ 3599.286374][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3599.286374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3599.286374][ T10] ipv6_find_idev+0x102/0x170 [ 3599.286374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.286374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.286374][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.286374][ T10] netlink_unicast+0x449/0x710 [ 3599.286374][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.286374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.286374][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.286374][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.286374][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.286374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.286374][ T10] [ 3599.288076][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3599.288076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3599.288076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3599.288076][ T10] ipv6_find_idev+0x102/0x170 [ 3599.288076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.288076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.288076][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.288076][ T10] netlink_unicast+0x449/0x710 [ 3599.288076][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.288076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.288076][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.288076][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.288076][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.288076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.288076][ T10] [ 3599.290009][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3599.290331][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3599.290331][ T10] netdev_get_by_index+0x5e/0x80 [ 3599.290331][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3599.290331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3599.290331][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3599.290331][ T10] ipv6_add_addr+0x411/0x2000 [ 3599.290331][ T10] inet6_addr_add+0x30e/0xa40 [ 3599.290331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3599.290331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.290331][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.290331][ T10] netlink_unicast+0x449/0x710 [ 3599.290331][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.290331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.290331][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.290331][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.290331][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.290331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.290331][ T10] [ 3599.292470][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3599.292470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3599.292470][ T10] ipv6_find_idev+0x102/0x170 [ 3599.292470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.292470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.292470][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.292470][ T10] netlink_unicast+0x449/0x710 [ 3599.292470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.292470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.292470][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.292470][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.292470][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.292470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.292470][ T10] [ 3599.294125][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3599.294125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3599.294125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3599.294125][ T10] ipv6_find_idev+0x102/0x170 [ 3599.294125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.294125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.294125][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.294125][ T10] netlink_unicast+0x449/0x710 [ 3599.294125][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.294125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.294125][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.294125][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.294125][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.294125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.294125][ T10] [ 3599.296127][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3599.296396][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3599.296396][ T10] netdev_get_by_index+0x5e/0x80 [ 3599.296396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3599.296396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3599.296396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3599.296396][ T10] ipv6_add_addr+0x411/0x2000 [ 3599.296396][ T10] inet6_addr_add+0x30e/0xa40 [ 3599.296396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3599.296396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.296396][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.296396][ T10] netlink_unicast+0x449/0x710 [ 3599.296396][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.296396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.296396][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.296396][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.296396][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.296396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.296396][ T10] [ 3599.298549][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3599.298549][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3599.298549][ T10] ipv6_find_idev+0x102/0x170 [ 3599.298549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.298549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.298549][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.298549][ T10] netlink_unicast+0x449/0x710 [ 3599.298549][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.298549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.298549][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.298549][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.298549][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.298549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.298549][ T10] [ 3599.300237][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3599.300237][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3599.300237][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3599.300237][ T10] ipv6_find_idev+0x102/0x170 [ 3599.300237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3599.300237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3599.300237][ T10] netlink_rcv_skb+0x130/0x360 [ 3599.300237][ T10] netlink_unicast+0x449/0x710 [ 3599.300237][ T10] netlink_sendmsg+0x723/0xbe0 [ 3599.300237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3599.300237][ T10] ___sys_sendmsg+0xee/0x170 [ 3599.300237][ T10] __sys_sendmsg+0xcd/0x170 [ 3599.300237][ T10] do_syscall_64+0xc6/0x1e0 [ 3599.300237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3599.300237][ T10] [ 3609.360193][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3609.360799][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3609.360799][ T10] netdev_get_by_index+0x5e/0x80 [ 3609.360799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3609.360799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3609.360799][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3609.360799][ T10] ipv6_add_addr+0x411/0x2000 [ 3609.360799][ T10] inet6_addr_add+0x30e/0xa40 [ 3609.360799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.360799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.360799][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.360799][ T10] netlink_unicast+0x449/0x710 [ 3609.360799][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.360799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.360799][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.360799][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.360799][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.360799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.360799][ T10] [ 3609.364030][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3609.364030][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3609.364030][ T10] ipv6_find_idev+0x102/0x170 [ 3609.364030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.364030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.364030][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.364030][ T10] netlink_unicast+0x449/0x710 [ 3609.364030][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.364030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.364030][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.364030][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.364030][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.364030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.364030][ T10] [ 3609.366456][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3609.366456][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3609.366456][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3609.366456][ T10] ipv6_find_idev+0x102/0x170 [ 3609.366456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.366456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.366456][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.366456][ T10] netlink_unicast+0x449/0x710 [ 3609.366456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.366456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.366456][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.366456][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.366456][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.366456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.366456][ T10] [ 3609.369167][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3609.369593][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3609.369593][ T10] netdev_get_by_index+0x5e/0x80 [ 3609.369593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3609.369593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3609.369593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3609.369593][ T10] ipv6_add_addr+0x411/0x2000 [ 3609.369593][ T10] inet6_addr_add+0x30e/0xa40 [ 3609.369593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.369593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.369593][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.369593][ T10] netlink_unicast+0x449/0x710 [ 3609.369593][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.369593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.369593][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.369593][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.369593][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.369593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.369593][ T10] [ 3609.372712][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3609.372712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3609.372712][ T10] ipv6_find_idev+0x102/0x170 [ 3609.372712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.372712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.372712][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.372712][ T10] netlink_unicast+0x449/0x710 [ 3609.372712][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.372712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.372712][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.372712][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.372712][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.372712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.372712][ T10] [ 3609.375116][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3609.375116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3609.375116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3609.375116][ T10] ipv6_find_idev+0x102/0x170 [ 3609.375116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.375116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.375116][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.375116][ T10] netlink_unicast+0x449/0x710 [ 3609.375116][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.375116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.375116][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.375116][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.375116][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.375116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.375116][ T10] [ 3609.377760][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3609.378194][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3609.378194][ T10] netdev_get_by_index+0x5e/0x80 [ 3609.378194][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3609.378194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3609.378194][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3609.378194][ T10] ipv6_add_addr+0x411/0x2000 [ 3609.378194][ T10] inet6_addr_add+0x30e/0xa40 [ 3609.378194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.378194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.378194][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.378194][ T10] netlink_unicast+0x449/0x710 [ 3609.378194][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.378194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.378194][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.378194][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.378194][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.378194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.378194][ T10] [ 3609.381302][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3609.381302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3609.381302][ T10] ipv6_find_idev+0x102/0x170 [ 3609.381302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.381302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.381302][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.381302][ T10] netlink_unicast+0x449/0x710 [ 3609.381302][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.381302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.381302][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.381302][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.381302][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.381302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.381302][ T10] [ 3609.383679][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3609.383679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3609.383679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3609.383679][ T10] ipv6_find_idev+0x102/0x170 [ 3609.383679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.383679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.383679][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.383679][ T10] netlink_unicast+0x449/0x710 [ 3609.383679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.383679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.383679][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.383679][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.383679][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.383679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.383679][ T10] [ 3609.386289][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3609.386743][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3609.386743][ T10] netdev_get_by_index+0x5e/0x80 [ 3609.386743][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3609.386743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3609.386743][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3609.386743][ T10] ipv6_add_addr+0x411/0x2000 [ 3609.386743][ T10] inet6_addr_add+0x30e/0xa40 [ 3609.386743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.386743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.386743][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.386743][ T10] netlink_unicast+0x449/0x710 [ 3609.386743][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.386743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.386743][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.386743][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.386743][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.386743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.386743][ T10] [ 3609.389907][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3609.389907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3609.389907][ T10] ipv6_find_idev+0x102/0x170 [ 3609.389907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.389907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.389907][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.389907][ T10] netlink_unicast+0x449/0x710 [ 3609.389907][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.389907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.389907][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.389907][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.389907][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.389907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.389907][ T10] [ 3609.392391][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3609.392391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3609.392391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3609.392391][ T10] ipv6_find_idev+0x102/0x170 [ 3609.392391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.392391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.392391][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.392391][ T10] netlink_unicast+0x449/0x710 [ 3609.392391][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.392391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.392391][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.392391][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.392391][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.392391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.392391][ T10] [ 3609.395887][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3609.396978][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3609.396978][ T10] netdev_get_by_index+0x5e/0x80 [ 3609.396978][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3609.396978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3609.396978][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3609.396978][ T10] ipv6_add_addr+0x411/0x2000 [ 3609.396978][ T10] inet6_addr_add+0x30e/0xa40 [ 3609.396978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.396978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.396978][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.396978][ T10] netlink_unicast+0x449/0x710 [ 3609.396978][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.396978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.396978][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.396978][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.396978][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.396978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.396978][ T10] [ 3609.400197][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3609.400197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3609.400197][ T10] ipv6_find_idev+0x102/0x170 [ 3609.400197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.400197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.400197][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.400197][ T10] netlink_unicast+0x449/0x710 [ 3609.400197][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.400197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.400197][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.400197][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.400197][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.400197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.400197][ T10] [ 3609.402677][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3609.402677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3609.402677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3609.402677][ T10] ipv6_find_idev+0x102/0x170 [ 3609.402677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.402677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.402677][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.402677][ T10] netlink_unicast+0x449/0x710 [ 3609.402677][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.402677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.402677][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.402677][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.402677][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.402677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.402677][ T10] [ 3609.405428][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3609.405861][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3609.405861][ T10] netdev_get_by_index+0x5e/0x80 [ 3609.405861][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3609.405861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3609.405861][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3609.405861][ T10] ipv6_add_addr+0x411/0x2000 [ 3609.405861][ T10] inet6_addr_add+0x30e/0xa40 [ 3609.405861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.405861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.405861][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.405861][ T10] netlink_unicast+0x449/0x710 [ 3609.405861][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.405861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.405861][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.405861][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.405861][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.405861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.405861][ T10] [ 3609.409082][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3609.409082][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3609.409082][ T10] ipv6_find_idev+0x102/0x170 [ 3609.409082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.409082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.409082][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.409082][ T10] netlink_unicast+0x449/0x710 [ 3609.409082][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.409082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.409082][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.409082][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.409082][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.409082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.409082][ T10] [ 3609.411640][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3609.411640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3609.411640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3609.411640][ T10] ipv6_find_idev+0x102/0x170 [ 3609.411640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.411640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.411640][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.411640][ T10] netlink_unicast+0x449/0x710 [ 3609.411640][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.411640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.411640][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.411640][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.411640][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.411640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.411640][ T10] [ 3609.414923][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3609.415453][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3609.415453][ T10] netdev_get_by_index+0x5e/0x80 [ 3609.415453][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3609.415453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3609.415453][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3609.415453][ T10] ipv6_add_addr+0x411/0x2000 [ 3609.415453][ T10] inet6_addr_add+0x30e/0xa40 [ 3609.415453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.415453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.415453][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.415453][ T10] netlink_unicast+0x449/0x710 [ 3609.415453][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.415453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.415453][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.415453][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.415453][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.415453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.415453][ T10] [ 3609.419020][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3609.419020][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3609.419020][ T10] ipv6_find_idev+0x102/0x170 [ 3609.419020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.419020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.419020][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.419020][ T10] netlink_unicast+0x449/0x710 [ 3609.419020][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.419020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.419020][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.419020][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.419020][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.419020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.419020][ T10] [ 3609.421838][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3609.421838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3609.421838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3609.421838][ T10] ipv6_find_idev+0x102/0x170 [ 3609.421838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.421838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.421838][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.421838][ T10] netlink_unicast+0x449/0x710 [ 3609.421838][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.421838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.421838][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.421838][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.421838][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.421838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.421838][ T10] [ 3609.424990][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3609.425526][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3609.425526][ T10] netdev_get_by_index+0x5e/0x80 [ 3609.425526][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3609.425526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3609.425526][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3609.425526][ T10] ipv6_add_addr+0x411/0x2000 [ 3609.425526][ T10] inet6_addr_add+0x30e/0xa40 [ 3609.425526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3609.425526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.425526][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.425526][ T10] netlink_unicast+0x449/0x710 [ 3609.425526][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.425526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.425526][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.425526][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.425526][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.425526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.425526][ T10] [ 3609.429114][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3609.429114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3609.429114][ T10] ipv6_find_idev+0x102/0x170 [ 3609.429114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.429114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.429114][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.429114][ T10] netlink_unicast+0x449/0x710 [ 3609.429114][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.429114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.429114][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.429114][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.429114][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.429114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.429114][ T10] [ 3609.432032][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3609.432032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3609.432032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3609.432032][ T10] ipv6_find_idev+0x102/0x170 [ 3609.432032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3609.432032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3609.432032][ T10] netlink_rcv_skb+0x130/0x360 [ 3609.432032][ T10] netlink_unicast+0x449/0x710 [ 3609.432032][ T10] netlink_sendmsg+0x723/0xbe0 [ 3609.432032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3609.432032][ T10] ___sys_sendmsg+0xee/0x170 [ 3609.432032][ T10] __sys_sendmsg+0xcd/0x170 [ 3609.432032][ T10] do_syscall_64+0xc6/0x1e0 [ 3609.432032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3609.432032][ T10] [ 3619.672223][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3619.672682][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3619.672682][ T10] netdev_get_by_index+0x5e/0x80 [ 3619.672682][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3619.672682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3619.672682][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3619.672682][ T10] ipv6_add_addr+0x411/0x2000 [ 3619.672682][ T10] inet6_addr_add+0x30e/0xa40 [ 3619.672682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.672682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.672682][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.672682][ T10] netlink_unicast+0x449/0x710 [ 3619.672682][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.672682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.672682][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.672682][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.672682][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.672682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.672682][ T10] [ 3619.674659][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3619.674659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3619.674659][ T10] ipv6_find_idev+0x102/0x170 [ 3619.674659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.674659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.674659][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.674659][ T10] netlink_unicast+0x449/0x710 [ 3619.674659][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.674659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.674659][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.674659][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.674659][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.674659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.674659][ T10] [ 3619.676190][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3619.676190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3619.676190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3619.676190][ T10] ipv6_find_idev+0x102/0x170 [ 3619.676190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.676190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.676190][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.676190][ T10] netlink_unicast+0x449/0x710 [ 3619.676190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.676190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.676190][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.676190][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.676190][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.676190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.676190][ T10] [ 3619.677862][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3619.678138][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3619.678138][ T10] netdev_get_by_index+0x5e/0x80 [ 3619.678138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3619.678138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3619.678138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3619.678138][ T10] ipv6_add_addr+0x411/0x2000 [ 3619.678138][ T10] inet6_addr_add+0x30e/0xa40 [ 3619.678138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.678138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.678138][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.678138][ T10] netlink_unicast+0x449/0x710 [ 3619.678138][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.678138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.678138][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.678138][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.678138][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.678138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.678138][ T10] [ 3619.680087][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3619.680087][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3619.680087][ T10] ipv6_find_idev+0x102/0x170 [ 3619.680087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.680087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.680087][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.680087][ T10] netlink_unicast+0x449/0x710 [ 3619.680087][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.680087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.680087][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.680087][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.680087][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.680087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.680087][ T10] [ 3619.681598][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3619.681598][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3619.681598][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3619.681598][ T10] ipv6_find_idev+0x102/0x170 [ 3619.681598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.681598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.681598][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.681598][ T10] netlink_unicast+0x449/0x710 [ 3619.681598][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.681598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.681598][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.681598][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.681598][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.681598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.681598][ T10] [ 3619.683264][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3619.683524][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3619.683524][ T10] netdev_get_by_index+0x5e/0x80 [ 3619.683524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3619.683524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3619.683524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3619.683524][ T10] ipv6_add_addr+0x411/0x2000 [ 3619.683524][ T10] inet6_addr_add+0x30e/0xa40 [ 3619.683524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.683524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.683524][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.683524][ T10] netlink_unicast+0x449/0x710 [ 3619.683524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.683524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.683524][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.683524][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.683524][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.683524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.683524][ T10] [ 3619.685475][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3619.685475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3619.685475][ T10] ipv6_find_idev+0x102/0x170 [ 3619.685475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.685475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.685475][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.685475][ T10] netlink_unicast+0x449/0x710 [ 3619.685475][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.685475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.685475][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.685475][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.685475][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.685475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.685475][ T10] [ 3619.686987][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3619.686987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3619.686987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3619.686987][ T10] ipv6_find_idev+0x102/0x170 [ 3619.686987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.686987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.686987][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.686987][ T10] netlink_unicast+0x449/0x710 [ 3619.686987][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.686987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.686987][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.686987][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.686987][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.686987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.686987][ T10] [ 3619.688671][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3619.688936][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3619.688936][ T10] netdev_get_by_index+0x5e/0x80 [ 3619.688936][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3619.688936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3619.688936][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3619.688936][ T10] ipv6_add_addr+0x411/0x2000 [ 3619.688936][ T10] inet6_addr_add+0x30e/0xa40 [ 3619.688936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.688936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.688936][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.688936][ T10] netlink_unicast+0x449/0x710 [ 3619.688936][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.688936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.688936][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.688936][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.688936][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.688936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.688936][ T10] [ 3619.690884][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3619.690884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3619.690884][ T10] ipv6_find_idev+0x102/0x170 [ 3619.690884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.690884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.690884][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.690884][ T10] netlink_unicast+0x449/0x710 [ 3619.690884][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.690884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.690884][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.690884][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.690884][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.690884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.690884][ T10] [ 3619.692386][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3619.692386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3619.692386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3619.692386][ T10] ipv6_find_idev+0x102/0x170 [ 3619.692386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.692386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.692386][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.692386][ T10] netlink_unicast+0x449/0x710 [ 3619.692386][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.692386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.692386][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.692386][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.692386][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.692386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.692386][ T10] [ 3619.694452][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3619.694713][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3619.694713][ T10] netdev_get_by_index+0x5e/0x80 [ 3619.694713][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3619.694713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3619.694713][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3619.694713][ T10] ipv6_add_addr+0x411/0x2000 [ 3619.694713][ T10] inet6_addr_add+0x30e/0xa40 [ 3619.694713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.694713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.694713][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.694713][ T10] netlink_unicast+0x449/0x710 [ 3619.694713][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.694713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.694713][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.694713][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.694713][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.694713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.694713][ T10] [ 3619.696655][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3619.696655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3619.696655][ T10] ipv6_find_idev+0x102/0x170 [ 3619.696655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.696655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.696655][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.696655][ T10] netlink_unicast+0x449/0x710 [ 3619.696655][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.696655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.696655][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.696655][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.696655][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.696655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.696655][ T10] [ 3619.698196][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3619.698196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3619.698196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3619.698196][ T10] ipv6_find_idev+0x102/0x170 [ 3619.698196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.698196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.698196][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.698196][ T10] netlink_unicast+0x449/0x710 [ 3619.698196][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.698196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.698196][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.698196][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.698196][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.698196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.698196][ T10] [ 3619.699906][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3619.700216][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3619.700216][ T10] netdev_get_by_index+0x5e/0x80 [ 3619.700216][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3619.700216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3619.700216][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3619.700216][ T10] ipv6_add_addr+0x411/0x2000 [ 3619.700216][ T10] inet6_addr_add+0x30e/0xa40 [ 3619.700216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.700216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.700216][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.700216][ T10] netlink_unicast+0x449/0x710 [ 3619.700216][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.700216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.700216][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.700216][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.700216][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.700216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.700216][ T10] [ 3619.702294][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3619.702294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3619.702294][ T10] ipv6_find_idev+0x102/0x170 [ 3619.702294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.702294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.702294][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.702294][ T10] netlink_unicast+0x449/0x710 [ 3619.702294][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.702294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.702294][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.702294][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.702294][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.702294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.702294][ T10] [ 3619.703984][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3619.703984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3619.703984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3619.703984][ T10] ipv6_find_idev+0x102/0x170 [ 3619.703984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.703984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.703984][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.703984][ T10] netlink_unicast+0x449/0x710 [ 3619.703984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.703984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.703984][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.703984][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.703984][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.703984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.703984][ T10] [ 3619.705844][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3619.706101][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3619.706101][ T10] netdev_get_by_index+0x5e/0x80 [ 3619.706101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3619.706101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3619.706101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3619.706101][ T10] ipv6_add_addr+0x411/0x2000 [ 3619.706101][ T10] inet6_addr_add+0x30e/0xa40 [ 3619.706101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.706101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.706101][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.706101][ T10] netlink_unicast+0x449/0x710 [ 3619.706101][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.706101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.706101][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.706101][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.706101][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.706101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.706101][ T10] [ 3619.708249][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3619.708249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3619.708249][ T10] ipv6_find_idev+0x102/0x170 [ 3619.708249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.708249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.708249][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.708249][ T10] netlink_unicast+0x449/0x710 [ 3619.708249][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.708249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.708249][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.708249][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.708249][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.708249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.708249][ T10] [ 3619.709940][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3619.709940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3619.709940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3619.709940][ T10] ipv6_find_idev+0x102/0x170 [ 3619.709940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.709940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.709940][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.709940][ T10] netlink_unicast+0x449/0x710 [ 3619.709940][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.709940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.709940][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.709940][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.709940][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.709940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.709940][ T10] [ 3619.711803][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3619.712063][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3619.712063][ T10] netdev_get_by_index+0x5e/0x80 [ 3619.712063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3619.712063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3619.712063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3619.712063][ T10] ipv6_add_addr+0x411/0x2000 [ 3619.712063][ T10] inet6_addr_add+0x30e/0xa40 [ 3619.712063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3619.712063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.712063][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.712063][ T10] netlink_unicast+0x449/0x710 [ 3619.712063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.712063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.712063][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.712063][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.712063][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.712063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.712063][ T10] [ 3619.714253][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3619.714253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3619.714253][ T10] ipv6_find_idev+0x102/0x170 [ 3619.714253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.714253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.714253][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.714253][ T10] netlink_unicast+0x449/0x710 [ 3619.714253][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.714253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.714253][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.714253][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.714253][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.714253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.714253][ T10] [ 3619.716005][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3619.716005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3619.716005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3619.716005][ T10] ipv6_find_idev+0x102/0x170 [ 3619.716005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3619.716005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3619.716005][ T10] netlink_rcv_skb+0x130/0x360 [ 3619.716005][ T10] netlink_unicast+0x449/0x710 [ 3619.716005][ T10] netlink_sendmsg+0x723/0xbe0 [ 3619.716005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3619.716005][ T10] ___sys_sendmsg+0xee/0x170 [ 3619.716005][ T10] __sys_sendmsg+0xcd/0x170 [ 3619.716005][ T10] do_syscall_64+0xc6/0x1e0 [ 3619.716005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3619.716005][ T10] [ 3629.808243][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3629.808655][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3629.808655][ T10] netdev_get_by_index+0x5e/0x80 [ 3629.808655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3629.808655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3629.808655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3629.808655][ T10] ipv6_add_addr+0x411/0x2000 [ 3629.808655][ T10] inet6_addr_add+0x30e/0xa40 [ 3629.808655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.808655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.808655][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.808655][ T10] netlink_unicast+0x449/0x710 [ 3629.808655][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.808655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.808655][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.808655][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.808655][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.808655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.808655][ T10] [ 3629.810667][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3629.810667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3629.810667][ T10] ipv6_find_idev+0x102/0x170 [ 3629.810667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.810667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.810667][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.810667][ T10] netlink_unicast+0x449/0x710 [ 3629.810667][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.810667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.810667][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.810667][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.810667][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.810667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.810667][ T10] [ 3629.812217][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3629.812217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3629.812217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3629.812217][ T10] ipv6_find_idev+0x102/0x170 [ 3629.812217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.812217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.812217][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.812217][ T10] netlink_unicast+0x449/0x710 [ 3629.812217][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.812217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.812217][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.812217][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.812217][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.812217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.812217][ T10] [ 3629.813936][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3629.814225][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3629.814225][ T10] netdev_get_by_index+0x5e/0x80 [ 3629.814225][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3629.814225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3629.814225][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3629.814225][ T10] ipv6_add_addr+0x411/0x2000 [ 3629.814225][ T10] inet6_addr_add+0x30e/0xa40 [ 3629.814225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.814225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.814225][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.814225][ T10] netlink_unicast+0x449/0x710 [ 3629.814225][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.814225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.814225][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.814225][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.814225][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.814225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.814225][ T10] [ 3629.816249][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3629.816249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3629.816249][ T10] ipv6_find_idev+0x102/0x170 [ 3629.816249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.816249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.816249][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.816249][ T10] netlink_unicast+0x449/0x710 [ 3629.816249][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.816249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.816249][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.816249][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.816249][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.816249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.816249][ T10] [ 3629.817805][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3629.817805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3629.817805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3629.817805][ T10] ipv6_find_idev+0x102/0x170 [ 3629.817805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.817805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.817805][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.817805][ T10] netlink_unicast+0x449/0x710 [ 3629.817805][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.817805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.817805][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.817805][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.817805][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.817805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.817805][ T10] [ 3629.819483][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3629.819751][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3629.819751][ T10] netdev_get_by_index+0x5e/0x80 [ 3629.819751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3629.819751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3629.819751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3629.819751][ T10] ipv6_add_addr+0x411/0x2000 [ 3629.819751][ T10] inet6_addr_add+0x30e/0xa40 [ 3629.819751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.819751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.819751][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.819751][ T10] netlink_unicast+0x449/0x710 [ 3629.819751][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.819751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.819751][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.819751][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.819751][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.819751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.819751][ T10] [ 3629.821735][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3629.821735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3629.821735][ T10] ipv6_find_idev+0x102/0x170 [ 3629.821735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.821735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.821735][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.821735][ T10] netlink_unicast+0x449/0x710 [ 3629.821735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.821735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.821735][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.821735][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.821735][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.821735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.821735][ T10] [ 3629.823262][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3629.823262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3629.823262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3629.823262][ T10] ipv6_find_idev+0x102/0x170 [ 3629.823262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.823262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.823262][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.823262][ T10] netlink_unicast+0x449/0x710 [ 3629.823262][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.823262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.823262][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.823262][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.823262][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.823262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.823262][ T10] [ 3629.825337][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3629.825924][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3629.825924][ T10] netdev_get_by_index+0x5e/0x80 [ 3629.825924][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3629.825924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3629.825924][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3629.825924][ T10] ipv6_add_addr+0x411/0x2000 [ 3629.825924][ T10] inet6_addr_add+0x30e/0xa40 [ 3629.825924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.825924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.825924][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.825924][ T10] netlink_unicast+0x449/0x710 [ 3629.825924][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.825924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.825924][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.825924][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.825924][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.825924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.825924][ T10] [ 3629.827905][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3629.827905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3629.827905][ T10] ipv6_find_idev+0x102/0x170 [ 3629.827905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.827905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.827905][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.827905][ T10] netlink_unicast+0x449/0x710 [ 3629.827905][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.827905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.827905][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.827905][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.827905][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.827905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.827905][ T10] [ 3629.829427][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3629.829427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3629.829427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3629.829427][ T10] ipv6_find_idev+0x102/0x170 [ 3629.829427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.829427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.829427][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.829427][ T10] netlink_unicast+0x449/0x710 [ 3629.829427][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.829427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.829427][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.829427][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.829427][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.829427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.829427][ T10] [ 3629.831106][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3629.831375][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3629.831375][ T10] netdev_get_by_index+0x5e/0x80 [ 3629.831375][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3629.831375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3629.831375][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3629.831375][ T10] ipv6_add_addr+0x411/0x2000 [ 3629.831375][ T10] inet6_addr_add+0x30e/0xa40 [ 3629.831375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.831375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.831375][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.831375][ T10] netlink_unicast+0x449/0x710 [ 3629.831375][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.831375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.831375][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.831375][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.831375][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.831375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.831375][ T10] [ 3629.833370][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3629.833370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3629.833370][ T10] ipv6_find_idev+0x102/0x170 [ 3629.833370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.833370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.833370][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.833370][ T10] netlink_unicast+0x449/0x710 [ 3629.833370][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.833370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.833370][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.833370][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.833370][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.833370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.833370][ T10] [ 3629.834887][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3629.834887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3629.834887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3629.834887][ T10] ipv6_find_idev+0x102/0x170 [ 3629.834887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.834887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.834887][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.834887][ T10] netlink_unicast+0x449/0x710 [ 3629.834887][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.834887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.834887][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.834887][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.834887][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.834887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.834887][ T10] [ 3629.836569][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3629.836845][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3629.836845][ T10] netdev_get_by_index+0x5e/0x80 [ 3629.836845][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3629.836845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3629.836845][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3629.836845][ T10] ipv6_add_addr+0x411/0x2000 [ 3629.836845][ T10] inet6_addr_add+0x30e/0xa40 [ 3629.836845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.836845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.836845][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.836845][ T10] netlink_unicast+0x449/0x710 [ 3629.836845][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.836845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.836845][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.836845][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.836845][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.836845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.836845][ T10] [ 3629.838845][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3629.838845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3629.838845][ T10] ipv6_find_idev+0x102/0x170 [ 3629.838845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.838845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.838845][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.838845][ T10] netlink_unicast+0x449/0x710 [ 3629.838845][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.838845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.838845][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.838845][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.838845][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.838845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.838845][ T10] [ 3629.840447][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3629.840447][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3629.840447][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3629.840447][ T10] ipv6_find_idev+0x102/0x170 [ 3629.840447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.840447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.840447][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.840447][ T10] netlink_unicast+0x449/0x710 [ 3629.840447][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.840447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.840447][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.840447][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.840447][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.840447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.840447][ T10] [ 3629.842469][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3629.842785][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3629.842785][ T10] netdev_get_by_index+0x5e/0x80 [ 3629.842785][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3629.842785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3629.842785][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3629.842785][ T10] ipv6_add_addr+0x411/0x2000 [ 3629.842785][ T10] inet6_addr_add+0x30e/0xa40 [ 3629.842785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.842785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.842785][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.842785][ T10] netlink_unicast+0x449/0x710 [ 3629.842785][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.842785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.842785][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.842785][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.842785][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.842785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.842785][ T10] [ 3629.844945][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3629.844945][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3629.844945][ T10] ipv6_find_idev+0x102/0x170 [ 3629.844945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.844945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.844945][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.844945][ T10] netlink_unicast+0x449/0x710 [ 3629.844945][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.844945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.844945][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.844945][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.844945][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.844945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.844945][ T10] [ 3629.846672][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3629.846672][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3629.846672][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3629.846672][ T10] ipv6_find_idev+0x102/0x170 [ 3629.846672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.846672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.846672][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.846672][ T10] netlink_unicast+0x449/0x710 [ 3629.846672][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.846672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.846672][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.846672][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.846672][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.846672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.846672][ T10] [ 3629.848578][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3629.848883][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3629.848883][ T10] netdev_get_by_index+0x5e/0x80 [ 3629.848883][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3629.848883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3629.848883][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3629.848883][ T10] ipv6_add_addr+0x411/0x2000 [ 3629.848883][ T10] inet6_addr_add+0x30e/0xa40 [ 3629.848883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3629.848883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.848883][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.848883][ T10] netlink_unicast+0x449/0x710 [ 3629.848883][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.848883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.848883][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.848883][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.848883][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.848883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.848883][ T10] [ 3629.851042][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3629.851042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3629.851042][ T10] ipv6_find_idev+0x102/0x170 [ 3629.851042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.851042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.851042][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.851042][ T10] netlink_unicast+0x449/0x710 [ 3629.851042][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.851042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.851042][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.851042][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.851042][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.851042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.851042][ T10] [ 3629.852810][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3629.852810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3629.852810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3629.852810][ T10] ipv6_find_idev+0x102/0x170 [ 3629.852810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3629.852810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3629.852810][ T10] netlink_rcv_skb+0x130/0x360 [ 3629.852810][ T10] netlink_unicast+0x449/0x710 [ 3629.852810][ T10] netlink_sendmsg+0x723/0xbe0 [ 3629.852810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3629.852810][ T10] ___sys_sendmsg+0xee/0x170 [ 3629.852810][ T10] __sys_sendmsg+0xcd/0x170 [ 3629.852810][ T10] do_syscall_64+0xc6/0x1e0 [ 3629.852810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3629.852810][ T10] [ 3640.096248][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3640.096710][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3640.096710][ T10] netdev_get_by_index+0x5e/0x80 [ 3640.096710][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3640.096710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3640.096710][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3640.096710][ T10] ipv6_add_addr+0x411/0x2000 [ 3640.096710][ T10] inet6_addr_add+0x30e/0xa40 [ 3640.096710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3640.096710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.096710][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.096710][ T10] netlink_unicast+0x449/0x710 [ 3640.096710][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.096710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.096710][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.096710][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.096710][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.096710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.096710][ T10] [ 3640.098722][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3640.098722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3640.098722][ T10] ipv6_find_idev+0x102/0x170 [ 3640.098722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.098722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.098722][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.098722][ T10] netlink_unicast+0x449/0x710 [ 3640.098722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.098722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.098722][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.098722][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.098722][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.098722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.098722][ T10] [ 3640.100255][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3640.100255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3640.100255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3640.100255][ T10] ipv6_find_idev+0x102/0x170 [ 3640.100255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.100255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.100255][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.100255][ T10] netlink_unicast+0x449/0x710 [ 3640.100255][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.100255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.100255][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.100255][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.100255][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.100255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.100255][ T10] [ 3640.101942][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3640.102222][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3640.102222][ T10] netdev_get_by_index+0x5e/0x80 [ 3640.102222][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3640.102222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3640.102222][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3640.102222][ T10] ipv6_add_addr+0x411/0x2000 [ 3640.102222][ T10] inet6_addr_add+0x30e/0xa40 [ 3640.102222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3640.102222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.102222][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.102222][ T10] netlink_unicast+0x449/0x710 [ 3640.102222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.102222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.102222][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.102222][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.102222][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.102222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.102222][ T10] [ 3640.104218][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3640.104218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3640.104218][ T10] ipv6_find_idev+0x102/0x170 [ 3640.104218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.104218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.104218][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.104218][ T10] netlink_unicast+0x449/0x710 [ 3640.104218][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.104218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.104218][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.104218][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.104218][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.104218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.104218][ T10] [ 3640.105740][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3640.105740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3640.105740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3640.105740][ T10] ipv6_find_idev+0x102/0x170 [ 3640.105740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.105740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.105740][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.105740][ T10] netlink_unicast+0x449/0x710 [ 3640.105740][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.105740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.105740][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.105740][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.105740][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.105740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.105740][ T10] [ 3640.107427][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3640.107697][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3640.107697][ T10] netdev_get_by_index+0x5e/0x80 [ 3640.107697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3640.107697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3640.107697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3640.107697][ T10] ipv6_add_addr+0x411/0x2000 [ 3640.107697][ T10] inet6_addr_add+0x30e/0xa40 [ 3640.107697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3640.107697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.107697][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.107697][ T10] netlink_unicast+0x449/0x710 [ 3640.107697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.107697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.107697][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.107697][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.107697][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.107697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.107697][ T10] [ 3640.109697][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3640.109697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3640.109697][ T10] ipv6_find_idev+0x102/0x170 [ 3640.109697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.109697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.109697][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.109697][ T10] netlink_unicast+0x449/0x710 [ 3640.109697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.109697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.109697][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.109697][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.109697][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.109697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.109697][ T10] [ 3640.111238][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3640.111238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3640.111238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3640.111238][ T10] ipv6_find_idev+0x102/0x170 [ 3640.111238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.111238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.111238][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.111238][ T10] netlink_unicast+0x449/0x710 [ 3640.111238][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.111238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.111238][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.111238][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.111238][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.111238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.111238][ T10] [ 3640.112916][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3640.113616][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3640.113616][ T10] netdev_get_by_index+0x5e/0x80 [ 3640.113616][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3640.113616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3640.113616][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3640.113616][ T10] ipv6_add_addr+0x411/0x2000 [ 3640.113616][ T10] inet6_addr_add+0x30e/0xa40 [ 3640.113616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3640.113616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.113616][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.113616][ T10] netlink_unicast+0x449/0x710 [ 3640.113616][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.113616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.113616][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.113616][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.113616][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.113616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.113616][ T10] [ 3640.115592][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3640.115592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3640.115592][ T10] ipv6_find_idev+0x102/0x170 [ 3640.115592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.115592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.115592][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.115592][ T10] netlink_unicast+0x449/0x710 [ 3640.115592][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.115592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.115592][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.115592][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.115592][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.115592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.115592][ T10] [ 3640.117122][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3640.117122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3640.117122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3640.117122][ T10] ipv6_find_idev+0x102/0x170 [ 3640.117122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.117122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.117122][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.117122][ T10] netlink_unicast+0x449/0x710 [ 3640.117122][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.117122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.117122][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.117122][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.117122][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.117122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.117122][ T10] [ 3640.118845][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3640.119165][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3640.119165][ T10] netdev_get_by_index+0x5e/0x80 [ 3640.119165][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3640.119165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3640.119165][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3640.119165][ T10] ipv6_add_addr+0x411/0x2000 [ 3640.119165][ T10] inet6_addr_add+0x30e/0xa40 [ 3640.119165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3640.119165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.119165][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.119165][ T10] netlink_unicast+0x449/0x710 [ 3640.119165][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.119165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.119165][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.119165][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.119165][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.119165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.119165][ T10] [ 3640.121158][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3640.121158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3640.121158][ T10] ipv6_find_idev+0x102/0x170 [ 3640.121158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.121158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.121158][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.121158][ T10] netlink_unicast+0x449/0x710 [ 3640.121158][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.121158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.121158][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.121158][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.121158][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.121158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.121158][ T10] [ 3640.122684][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3640.122684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3640.122684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3640.122684][ T10] ipv6_find_idev+0x102/0x170 [ 3640.122684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.122684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.122684][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.122684][ T10] netlink_unicast+0x449/0x710 [ 3640.122684][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.122684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.122684][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.122684][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.122684][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.122684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.122684][ T10] [ 3640.124406][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3640.124720][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3640.124720][ T10] netdev_get_by_index+0x5e/0x80 [ 3640.124720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3640.124720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3640.124720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3640.124720][ T10] ipv6_add_addr+0x411/0x2000 [ 3640.124720][ T10] inet6_addr_add+0x30e/0xa40 [ 3640.124720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3640.124720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.124720][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.124720][ T10] netlink_unicast+0x449/0x710 [ 3640.124720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.124720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.124720][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.124720][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.124720][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.124720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.124720][ T10] [ 3640.126766][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3640.126766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3640.126766][ T10] ipv6_find_idev+0x102/0x170 [ 3640.126766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.126766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.126766][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.126766][ T10] netlink_unicast+0x449/0x710 [ 3640.126766][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.126766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.126766][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.126766][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.126766][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.126766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.126766][ T10] [ 3640.128503][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3640.128503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3640.128503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3640.128503][ T10] ipv6_find_idev+0x102/0x170 [ 3640.128503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.128503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.128503][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.128503][ T10] netlink_unicast+0x449/0x710 [ 3640.128503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.128503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.128503][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.128503][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.128503][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.128503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.128503][ T10] [ 3640.130411][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3640.130714][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3640.130714][ T10] netdev_get_by_index+0x5e/0x80 [ 3640.130714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3640.130714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3640.130714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3640.130714][ T10] ipv6_add_addr+0x411/0x2000 [ 3640.130714][ T10] inet6_addr_add+0x30e/0xa40 [ 3640.130714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3640.130714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.130714][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.130714][ T10] netlink_unicast+0x449/0x710 [ 3640.130714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.130714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.130714][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.130714][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.130714][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.130714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.130714][ T10] [ 3640.132949][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3640.132949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3640.132949][ T10] ipv6_find_idev+0x102/0x170 [ 3640.132949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.132949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.132949][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.132949][ T10] netlink_unicast+0x449/0x710 [ 3640.132949][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.132949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.132949][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.132949][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.132949][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.132949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.132949][ T10] [ 3640.134661][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3640.134661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3640.134661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3640.134661][ T10] ipv6_find_idev+0x102/0x170 [ 3640.134661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.134661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.134661][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.134661][ T10] netlink_unicast+0x449/0x710 [ 3640.134661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.134661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.134661][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.134661][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.134661][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.134661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.134661][ T10] [ 3640.136554][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3640.136897][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3640.136897][ T10] netdev_get_by_index+0x5e/0x80 [ 3640.136897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3640.136897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3640.136897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3640.136897][ T10] ipv6_add_addr+0x411/0x2000 [ 3640.136897][ T10] inet6_addr_add+0x30e/0xa40 [ 3640.136897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3640.136897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.136897][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.136897][ T10] netlink_unicast+0x449/0x710 [ 3640.136897][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.136897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.136897][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.136897][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.136897][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.136897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.136897][ T10] [ 3640.139068][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3640.139068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3640.139068][ T10] ipv6_find_idev+0x102/0x170 [ 3640.139068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.139068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.139068][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.139068][ T10] netlink_unicast+0x449/0x710 [ 3640.139068][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.139068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.139068][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.139068][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.139068][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.139068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.139068][ T10] [ 3640.140773][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3640.140773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3640.140773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3640.140773][ T10] ipv6_find_idev+0x102/0x170 [ 3640.140773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3640.140773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3640.140773][ T10] netlink_rcv_skb+0x130/0x360 [ 3640.140773][ T10] netlink_unicast+0x449/0x710 [ 3640.140773][ T10] netlink_sendmsg+0x723/0xbe0 [ 3640.140773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3640.140773][ T10] ___sys_sendmsg+0xee/0x170 [ 3640.140773][ T10] __sys_sendmsg+0xcd/0x170 [ 3640.140773][ T10] do_syscall_64+0xc6/0x1e0 [ 3640.140773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3640.140773][ T10] [ 3650.384205][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3650.384596][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3650.384596][ T10] netdev_get_by_index+0x5e/0x80 [ 3650.384596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3650.384596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3650.384596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3650.384596][ T10] ipv6_add_addr+0x411/0x2000 [ 3650.384596][ T10] inet6_addr_add+0x30e/0xa40 [ 3650.384596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.384596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.384596][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.384596][ T10] netlink_unicast+0x449/0x710 [ 3650.384596][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.384596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.384596][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.384596][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.384596][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.384596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.384596][ T10] [ 3650.386596][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3650.386596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3650.386596][ T10] ipv6_find_idev+0x102/0x170 [ 3650.386596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.386596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.386596][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.386596][ T10] netlink_unicast+0x449/0x710 [ 3650.386596][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.386596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.386596][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.386596][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.386596][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.386596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.386596][ T10] [ 3650.388152][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3650.388152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3650.388152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3650.388152][ T10] ipv6_find_idev+0x102/0x170 [ 3650.388152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.388152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.388152][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.388152][ T10] netlink_unicast+0x449/0x710 [ 3650.388152][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.388152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.388152][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.388152][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.388152][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.388152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.388152][ T10] [ 3650.389861][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3650.390130][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3650.390130][ T10] netdev_get_by_index+0x5e/0x80 [ 3650.390130][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3650.390130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3650.390130][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3650.390130][ T10] ipv6_add_addr+0x411/0x2000 [ 3650.390130][ T10] inet6_addr_add+0x30e/0xa40 [ 3650.390130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.390130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.390130][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.390130][ T10] netlink_unicast+0x449/0x710 [ 3650.390130][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.390130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.390130][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.390130][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.390130][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.390130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.390130][ T10] [ 3650.392126][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3650.392126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3650.392126][ T10] ipv6_find_idev+0x102/0x170 [ 3650.392126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.392126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.392126][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.392126][ T10] netlink_unicast+0x449/0x710 [ 3650.392126][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.392126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.392126][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.392126][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.392126][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.392126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.392126][ T10] [ 3650.393654][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3650.393654][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3650.393654][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3650.393654][ T10] ipv6_find_idev+0x102/0x170 [ 3650.393654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.393654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.393654][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.393654][ T10] netlink_unicast+0x449/0x710 [ 3650.393654][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.393654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.393654][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.393654][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.393654][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.393654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.393654][ T10] [ 3650.395339][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3650.395608][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3650.395608][ T10] netdev_get_by_index+0x5e/0x80 [ 3650.395608][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3650.395608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3650.395608][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3650.395608][ T10] ipv6_add_addr+0x411/0x2000 [ 3650.395608][ T10] inet6_addr_add+0x30e/0xa40 [ 3650.395608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.395608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.395608][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.395608][ T10] netlink_unicast+0x449/0x710 [ 3650.395608][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.395608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.395608][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.395608][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.395608][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.395608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.395608][ T10] [ 3650.397597][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3650.397597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3650.397597][ T10] ipv6_find_idev+0x102/0x170 [ 3650.397597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.397597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.397597][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.397597][ T10] netlink_unicast+0x449/0x710 [ 3650.397597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.397597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.397597][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.397597][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.397597][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.397597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.397597][ T10] [ 3650.399133][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3650.399133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3650.399133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3650.399133][ T10] ipv6_find_idev+0x102/0x170 [ 3650.399133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.399133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.399133][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.399133][ T10] netlink_unicast+0x449/0x710 [ 3650.399133][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.399133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.399133][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.399133][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.399133][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.399133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.399133][ T10] [ 3650.400821][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3650.401102][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3650.401102][ T10] netdev_get_by_index+0x5e/0x80 [ 3650.401102][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3650.401102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3650.401102][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3650.401102][ T10] ipv6_add_addr+0x411/0x2000 [ 3650.401102][ T10] inet6_addr_add+0x30e/0xa40 [ 3650.401102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.401102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.401102][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.401102][ T10] netlink_unicast+0x449/0x710 [ 3650.401102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.401102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.401102][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.401102][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.401102][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.401102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.401102][ T10] [ 3650.403079][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3650.403079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3650.403079][ T10] ipv6_find_idev+0x102/0x170 [ 3650.403079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.403079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.403079][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.403079][ T10] netlink_unicast+0x449/0x710 [ 3650.403079][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.403079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.403079][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.403079][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.403079][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.403079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.403079][ T10] [ 3650.404617][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3650.404617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3650.404617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3650.404617][ T10] ipv6_find_idev+0x102/0x170 [ 3650.404617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.404617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.404617][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.404617][ T10] netlink_unicast+0x449/0x710 [ 3650.404617][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.404617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.404617][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.404617][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.404617][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.404617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.404617][ T10] [ 3650.406698][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3650.407305][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3650.407305][ T10] netdev_get_by_index+0x5e/0x80 [ 3650.407305][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3650.407305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3650.407305][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3650.407305][ T10] ipv6_add_addr+0x411/0x2000 [ 3650.407305][ T10] inet6_addr_add+0x30e/0xa40 [ 3650.407305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.407305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.407305][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.407305][ T10] netlink_unicast+0x449/0x710 [ 3650.407305][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.407305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.407305][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.407305][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.407305][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.407305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.407305][ T10] [ 3650.409284][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3650.409284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3650.409284][ T10] ipv6_find_idev+0x102/0x170 [ 3650.409284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.409284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.409284][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.409284][ T10] netlink_unicast+0x449/0x710 [ 3650.409284][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.409284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.409284][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.409284][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.409284][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.409284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.409284][ T10] [ 3650.410804][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3650.410804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3650.410804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3650.410804][ T10] ipv6_find_idev+0x102/0x170 [ 3650.410804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.410804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.410804][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.410804][ T10] netlink_unicast+0x449/0x710 [ 3650.410804][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.410804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.410804][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.410804][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.410804][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.410804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.410804][ T10] [ 3650.412472][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3650.412741][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3650.412741][ T10] netdev_get_by_index+0x5e/0x80 [ 3650.412741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3650.412741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3650.412741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3650.412741][ T10] ipv6_add_addr+0x411/0x2000 [ 3650.412741][ T10] inet6_addr_add+0x30e/0xa40 [ 3650.412741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.412741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.412741][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.412741][ T10] netlink_unicast+0x449/0x710 [ 3650.412741][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.412741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.412741][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.412741][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.412741][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.412741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.412741][ T10] [ 3650.414737][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3650.414737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3650.414737][ T10] ipv6_find_idev+0x102/0x170 [ 3650.414737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.414737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.414737][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.414737][ T10] netlink_unicast+0x449/0x710 [ 3650.414737][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.414737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.414737][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.414737][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.414737][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.414737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.414737][ T10] [ 3650.416326][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3650.416326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3650.416326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3650.416326][ T10] ipv6_find_idev+0x102/0x170 [ 3650.416326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.416326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.416326][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.416326][ T10] netlink_unicast+0x449/0x710 [ 3650.416326][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.416326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.416326][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.416326][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.416326][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.416326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.416326][ T10] [ 3650.418340][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3650.418649][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3650.418649][ T10] netdev_get_by_index+0x5e/0x80 [ 3650.418649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3650.418649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3650.418649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3650.418649][ T10] ipv6_add_addr+0x411/0x2000 [ 3650.418649][ T10] inet6_addr_add+0x30e/0xa40 [ 3650.418649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.418649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.418649][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.418649][ T10] netlink_unicast+0x449/0x710 [ 3650.418649][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.418649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.418649][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.418649][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.418649][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.418649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.418649][ T10] [ 3650.420820][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3650.420820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3650.420820][ T10] ipv6_find_idev+0x102/0x170 [ 3650.420820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.420820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.420820][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.420820][ T10] netlink_unicast+0x449/0x710 [ 3650.420820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.420820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.420820][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.420820][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.420820][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.420820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.420820][ T10] [ 3650.422533][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3650.422533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3650.422533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3650.422533][ T10] ipv6_find_idev+0x102/0x170 [ 3650.422533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.422533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.422533][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.422533][ T10] netlink_unicast+0x449/0x710 [ 3650.422533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.422533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.422533][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.422533][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.422533][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.422533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.422533][ T10] [ 3650.424427][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3650.424743][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3650.424743][ T10] netdev_get_by_index+0x5e/0x80 [ 3650.424743][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3650.424743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3650.424743][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3650.424743][ T10] ipv6_add_addr+0x411/0x2000 [ 3650.424743][ T10] inet6_addr_add+0x30e/0xa40 [ 3650.424743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3650.424743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.424743][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.424743][ T10] netlink_unicast+0x449/0x710 [ 3650.424743][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.424743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.424743][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.424743][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.424743][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.424743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.424743][ T10] [ 3650.426923][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3650.426923][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3650.426923][ T10] ipv6_find_idev+0x102/0x170 [ 3650.426923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.426923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.426923][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.426923][ T10] netlink_unicast+0x449/0x710 [ 3650.426923][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.426923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.426923][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.426923][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.426923][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.426923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.426923][ T10] [ 3650.428693][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3650.428693][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3650.428693][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3650.428693][ T10] ipv6_find_idev+0x102/0x170 [ 3650.428693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3650.428693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3650.428693][ T10] netlink_rcv_skb+0x130/0x360 [ 3650.428693][ T10] netlink_unicast+0x449/0x710 [ 3650.428693][ T10] netlink_sendmsg+0x723/0xbe0 [ 3650.428693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3650.428693][ T10] ___sys_sendmsg+0xee/0x170 [ 3650.428693][ T10] __sys_sendmsg+0xcd/0x170 [ 3650.428693][ T10] do_syscall_64+0xc6/0x1e0 [ 3650.428693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3650.428693][ T10] [ 3660.672250][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3660.672667][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3660.672667][ T10] netdev_get_by_index+0x5e/0x80 [ 3660.672667][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3660.672667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3660.672667][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3660.672667][ T10] ipv6_add_addr+0x411/0x2000 [ 3660.672667][ T10] inet6_addr_add+0x30e/0xa40 [ 3660.672667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.672667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.672667][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.672667][ T10] netlink_unicast+0x449/0x710 [ 3660.672667][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.672667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.672667][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.672667][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.672667][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.672667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.672667][ T10] [ 3660.674693][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3660.674693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3660.674693][ T10] ipv6_find_idev+0x102/0x170 [ 3660.674693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.674693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.674693][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.674693][ T10] netlink_unicast+0x449/0x710 [ 3660.674693][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.674693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.674693][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.674693][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.674693][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.674693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.674693][ T10] [ 3660.676230][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3660.676230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3660.676230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3660.676230][ T10] ipv6_find_idev+0x102/0x170 [ 3660.676230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.676230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.676230][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.676230][ T10] netlink_unicast+0x449/0x710 [ 3660.676230][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.676230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.676230][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.676230][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.676230][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.676230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.676230][ T10] [ 3660.677950][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3660.678240][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3660.678240][ T10] netdev_get_by_index+0x5e/0x80 [ 3660.678240][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3660.678240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3660.678240][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3660.678240][ T10] ipv6_add_addr+0x411/0x2000 [ 3660.678240][ T10] inet6_addr_add+0x30e/0xa40 [ 3660.678240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.678240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.678240][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.678240][ T10] netlink_unicast+0x449/0x710 [ 3660.678240][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.678240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.678240][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.678240][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.678240][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.678240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.678240][ T10] [ 3660.680224][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3660.680224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3660.680224][ T10] ipv6_find_idev+0x102/0x170 [ 3660.680224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.680224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.680224][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.680224][ T10] netlink_unicast+0x449/0x710 [ 3660.680224][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.680224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.680224][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.680224][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.680224][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.680224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.680224][ T10] [ 3660.681774][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3660.681774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3660.681774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3660.681774][ T10] ipv6_find_idev+0x102/0x170 [ 3660.681774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.681774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.681774][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.681774][ T10] netlink_unicast+0x449/0x710 [ 3660.681774][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.681774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.681774][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.681774][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.681774][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.681774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.681774][ T10] [ 3660.683465][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3660.683734][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3660.683734][ T10] netdev_get_by_index+0x5e/0x80 [ 3660.683734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3660.683734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3660.683734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3660.683734][ T10] ipv6_add_addr+0x411/0x2000 [ 3660.683734][ T10] inet6_addr_add+0x30e/0xa40 [ 3660.683734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.683734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.683734][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.683734][ T10] netlink_unicast+0x449/0x710 [ 3660.683734][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.683734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.683734][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.683734][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.683734][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.683734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.683734][ T10] [ 3660.685716][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3660.685716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3660.685716][ T10] ipv6_find_idev+0x102/0x170 [ 3660.685716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.685716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.685716][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.685716][ T10] netlink_unicast+0x449/0x710 [ 3660.685716][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.685716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.685716][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.685716][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.685716][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.685716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.685716][ T10] [ 3660.687251][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3660.687251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3660.687251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3660.687251][ T10] ipv6_find_idev+0x102/0x170 [ 3660.687251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.687251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.687251][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.687251][ T10] netlink_unicast+0x449/0x710 [ 3660.687251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.687251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.687251][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.687251][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.687251][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.687251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.687251][ T10] [ 3660.688934][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3660.689640][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3660.689640][ T10] netdev_get_by_index+0x5e/0x80 [ 3660.689640][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3660.689640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3660.689640][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3660.689640][ T10] ipv6_add_addr+0x411/0x2000 [ 3660.689640][ T10] inet6_addr_add+0x30e/0xa40 [ 3660.689640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.689640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.689640][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.689640][ T10] netlink_unicast+0x449/0x710 [ 3660.689640][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.689640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.689640][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.689640][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.689640][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.689640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.689640][ T10] [ 3660.691617][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3660.691617][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3660.691617][ T10] ipv6_find_idev+0x102/0x170 [ 3660.691617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.691617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.691617][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.691617][ T10] netlink_unicast+0x449/0x710 [ 3660.691617][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.691617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.691617][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.691617][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.691617][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.691617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.691617][ T10] [ 3660.693161][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3660.693161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3660.693161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3660.693161][ T10] ipv6_find_idev+0x102/0x170 [ 3660.693161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.693161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.693161][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.693161][ T10] netlink_unicast+0x449/0x710 [ 3660.693161][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.693161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.693161][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.693161][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.693161][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.693161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.693161][ T10] [ 3660.694891][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3660.695220][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3660.695220][ T10] netdev_get_by_index+0x5e/0x80 [ 3660.695220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3660.695220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3660.695220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3660.695220][ T10] ipv6_add_addr+0x411/0x2000 [ 3660.695220][ T10] inet6_addr_add+0x30e/0xa40 [ 3660.695220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.695220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.695220][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.695220][ T10] netlink_unicast+0x449/0x710 [ 3660.695220][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.695220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.695220][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.695220][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.695220][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.695220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.695220][ T10] [ 3660.697315][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3660.697315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3660.697315][ T10] ipv6_find_idev+0x102/0x170 [ 3660.697315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.697315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.697315][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.697315][ T10] netlink_unicast+0x449/0x710 [ 3660.697315][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.697315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.697315][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.697315][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.697315][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.697315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.697315][ T10] [ 3660.698853][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3660.698853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3660.698853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3660.698853][ T10] ipv6_find_idev+0x102/0x170 [ 3660.698853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.698853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.698853][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.698853][ T10] netlink_unicast+0x449/0x710 [ 3660.698853][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.698853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.698853][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.698853][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.698853][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.698853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.698853][ T10] [ 3660.700591][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3660.700908][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3660.700908][ T10] netdev_get_by_index+0x5e/0x80 [ 3660.700908][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3660.700908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3660.700908][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3660.700908][ T10] ipv6_add_addr+0x411/0x2000 [ 3660.700908][ T10] inet6_addr_add+0x30e/0xa40 [ 3660.700908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.700908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.700908][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.700908][ T10] netlink_unicast+0x449/0x710 [ 3660.700908][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.700908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.700908][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.700908][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.700908][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.700908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.700908][ T10] [ 3660.702973][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3660.702973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3660.702973][ T10] ipv6_find_idev+0x102/0x170 [ 3660.702973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.702973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.702973][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.702973][ T10] netlink_unicast+0x449/0x710 [ 3660.702973][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.702973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.702973][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.702973][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.702973][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.702973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.702973][ T10] [ 3660.704692][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3660.704692][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3660.704692][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3660.704692][ T10] ipv6_find_idev+0x102/0x170 [ 3660.704692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.704692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.704692][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.704692][ T10] netlink_unicast+0x449/0x710 [ 3660.704692][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.704692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.704692][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.704692][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.704692][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.704692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.704692][ T10] [ 3660.706851][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3660.707170][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3660.707170][ T10] netdev_get_by_index+0x5e/0x80 [ 3660.707170][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3660.707170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3660.707170][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3660.707170][ T10] ipv6_add_addr+0x411/0x2000 [ 3660.707170][ T10] inet6_addr_add+0x30e/0xa40 [ 3660.707170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.707170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.707170][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.707170][ T10] netlink_unicast+0x449/0x710 [ 3660.707170][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.707170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.707170][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.707170][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.707170][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.707170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.707170][ T10] [ 3660.709420][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3660.709420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3660.709420][ T10] ipv6_find_idev+0x102/0x170 [ 3660.709420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.709420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.709420][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.709420][ T10] netlink_unicast+0x449/0x710 [ 3660.709420][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.709420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.709420][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.709420][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.709420][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.709420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.709420][ T10] [ 3660.711130][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3660.711130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3660.711130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3660.711130][ T10] ipv6_find_idev+0x102/0x170 [ 3660.711130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.711130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.711130][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.711130][ T10] netlink_unicast+0x449/0x710 [ 3660.711130][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.711130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.711130][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.711130][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.711130][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.711130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.711130][ T10] [ 3660.713022][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3660.713344][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3660.713344][ T10] netdev_get_by_index+0x5e/0x80 [ 3660.713344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3660.713344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3660.713344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3660.713344][ T10] ipv6_add_addr+0x411/0x2000 [ 3660.713344][ T10] inet6_addr_add+0x30e/0xa40 [ 3660.713344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3660.713344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.713344][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.713344][ T10] netlink_unicast+0x449/0x710 [ 3660.713344][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.713344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.713344][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.713344][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.713344][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.713344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.713344][ T10] [ 3660.715508][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3660.715508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3660.715508][ T10] ipv6_find_idev+0x102/0x170 [ 3660.715508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.715508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.715508][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.715508][ T10] netlink_unicast+0x449/0x710 [ 3660.715508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.715508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.715508][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.715508][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.715508][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.715508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.715508][ T10] [ 3660.717218][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3660.717218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3660.717218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3660.717218][ T10] ipv6_find_idev+0x102/0x170 [ 3660.717218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3660.717218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3660.717218][ T10] netlink_rcv_skb+0x130/0x360 [ 3660.717218][ T10] netlink_unicast+0x449/0x710 [ 3660.717218][ T10] netlink_sendmsg+0x723/0xbe0 [ 3660.717218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3660.717218][ T10] ___sys_sendmsg+0xee/0x170 [ 3660.717218][ T10] __sys_sendmsg+0xcd/0x170 [ 3660.717218][ T10] do_syscall_64+0xc6/0x1e0 [ 3660.717218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3660.717218][ T10] [ 3670.960227][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3670.960688][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3670.960688][ T10] netdev_get_by_index+0x5e/0x80 [ 3670.960688][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3670.960688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3670.960688][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3670.960688][ T10] ipv6_add_addr+0x411/0x2000 [ 3670.960688][ T10] inet6_addr_add+0x30e/0xa40 [ 3670.960688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.960688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.960688][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.960688][ T10] netlink_unicast+0x449/0x710 [ 3670.960688][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.960688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.960688][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.960688][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.960688][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.960688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.960688][ T10] [ 3670.962710][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3670.962710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3670.962710][ T10] ipv6_find_idev+0x102/0x170 [ 3670.962710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.962710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.962710][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.962710][ T10] netlink_unicast+0x449/0x710 [ 3670.962710][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.962710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.962710][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.962710][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.962710][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.962710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.962710][ T10] [ 3670.964259][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3670.964259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3670.964259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3670.964259][ T10] ipv6_find_idev+0x102/0x170 [ 3670.964259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.964259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.964259][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.964259][ T10] netlink_unicast+0x449/0x710 [ 3670.964259][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.964259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.964259][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.964259][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.964259][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.964259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.964259][ T10] [ 3670.965955][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3670.966237][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3670.966237][ T10] netdev_get_by_index+0x5e/0x80 [ 3670.966237][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3670.966237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3670.966237][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3670.966237][ T10] ipv6_add_addr+0x411/0x2000 [ 3670.966237][ T10] inet6_addr_add+0x30e/0xa40 [ 3670.966237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.966237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.966237][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.966237][ T10] netlink_unicast+0x449/0x710 [ 3670.966237][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.966237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.966237][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.966237][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.966237][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.966237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.966237][ T10] [ 3670.968249][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3670.968249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3670.968249][ T10] ipv6_find_idev+0x102/0x170 [ 3670.968249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.968249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.968249][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.968249][ T10] netlink_unicast+0x449/0x710 [ 3670.968249][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.968249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.968249][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.968249][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.968249][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.968249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.968249][ T10] [ 3670.969777][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3670.969777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3670.969777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3670.969777][ T10] ipv6_find_idev+0x102/0x170 [ 3670.969777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.969777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.969777][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.969777][ T10] netlink_unicast+0x449/0x710 [ 3670.969777][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.969777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.969777][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.969777][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.969777][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.969777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.969777][ T10] [ 3670.971450][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3670.971727][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3670.971727][ T10] netdev_get_by_index+0x5e/0x80 [ 3670.971727][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3670.971727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3670.971727][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3670.971727][ T10] ipv6_add_addr+0x411/0x2000 [ 3670.971727][ T10] inet6_addr_add+0x30e/0xa40 [ 3670.971727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.971727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.971727][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.971727][ T10] netlink_unicast+0x449/0x710 [ 3670.971727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.971727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.971727][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.971727][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.971727][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.971727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.971727][ T10] [ 3670.973707][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3670.973707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3670.973707][ T10] ipv6_find_idev+0x102/0x170 [ 3670.973707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.973707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.973707][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.973707][ T10] netlink_unicast+0x449/0x710 [ 3670.973707][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.973707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.973707][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.973707][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.973707][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.973707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.973707][ T10] [ 3670.975246][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3670.975246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3670.975246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3670.975246][ T10] ipv6_find_idev+0x102/0x170 [ 3670.975246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.975246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.975246][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.975246][ T10] netlink_unicast+0x449/0x710 [ 3670.975246][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.975246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.975246][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.975246][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.975246][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.975246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.975246][ T10] [ 3670.976924][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3670.977640][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3670.977640][ T10] netdev_get_by_index+0x5e/0x80 [ 3670.977640][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3670.977640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3670.977640][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3670.977640][ T10] ipv6_add_addr+0x411/0x2000 [ 3670.977640][ T10] inet6_addr_add+0x30e/0xa40 [ 3670.977640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.977640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.977640][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.977640][ T10] netlink_unicast+0x449/0x710 [ 3670.977640][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.977640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.977640][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.977640][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.977640][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.977640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.977640][ T10] [ 3670.979629][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3670.979629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3670.979629][ T10] ipv6_find_idev+0x102/0x170 [ 3670.979629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.979629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.979629][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.979629][ T10] netlink_unicast+0x449/0x710 [ 3670.979629][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.979629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.979629][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.979629][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.979629][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.979629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.979629][ T10] [ 3670.981163][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3670.981163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3670.981163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3670.981163][ T10] ipv6_find_idev+0x102/0x170 [ 3670.981163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.981163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.981163][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.981163][ T10] netlink_unicast+0x449/0x710 [ 3670.981163][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.981163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.981163][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.981163][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.981163][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.981163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.981163][ T10] [ 3670.982904][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3670.983232][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3670.983232][ T10] netdev_get_by_index+0x5e/0x80 [ 3670.983232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3670.983232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3670.983232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3670.983232][ T10] ipv6_add_addr+0x411/0x2000 [ 3670.983232][ T10] inet6_addr_add+0x30e/0xa40 [ 3670.983232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.983232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.983232][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.983232][ T10] netlink_unicast+0x449/0x710 [ 3670.983232][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.983232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.983232][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.983232][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.983232][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.983232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.983232][ T10] [ 3670.985231][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3670.985231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3670.985231][ T10] ipv6_find_idev+0x102/0x170 [ 3670.985231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.985231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.985231][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.985231][ T10] netlink_unicast+0x449/0x710 [ 3670.985231][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.985231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.985231][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.985231][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.985231][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.985231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.985231][ T10] [ 3670.986763][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3670.986763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3670.986763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3670.986763][ T10] ipv6_find_idev+0x102/0x170 [ 3670.986763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.986763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.986763][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.986763][ T10] netlink_unicast+0x449/0x710 [ 3670.986763][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.986763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.986763][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.986763][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.986763][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.986763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.986763][ T10] [ 3670.988491][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3670.988807][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3670.988807][ T10] netdev_get_by_index+0x5e/0x80 [ 3670.988807][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3670.988807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3670.988807][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3670.988807][ T10] ipv6_add_addr+0x411/0x2000 [ 3670.988807][ T10] inet6_addr_add+0x30e/0xa40 [ 3670.988807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.988807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.988807][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.988807][ T10] netlink_unicast+0x449/0x710 [ 3670.988807][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.988807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.988807][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.988807][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.988807][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.988807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.988807][ T10] [ 3670.990866][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3670.990866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3670.990866][ T10] ipv6_find_idev+0x102/0x170 [ 3670.990866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.990866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.990866][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.990866][ T10] netlink_unicast+0x449/0x710 [ 3670.990866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.990866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.990866][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.990866][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.990866][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.990866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.990866][ T10] [ 3670.992637][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3670.992637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3670.992637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3670.992637][ T10] ipv6_find_idev+0x102/0x170 [ 3670.992637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.992637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.992637][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.992637][ T10] netlink_unicast+0x449/0x710 [ 3670.992637][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.992637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.992637][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.992637][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.992637][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.992637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.992637][ T10] [ 3670.994549][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3670.994861][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3670.994861][ T10] netdev_get_by_index+0x5e/0x80 [ 3670.994861][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3670.994861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3670.994861][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3670.994861][ T10] ipv6_add_addr+0x411/0x2000 [ 3670.994861][ T10] inet6_addr_add+0x30e/0xa40 [ 3670.994861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3670.994861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.994861][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.994861][ T10] netlink_unicast+0x449/0x710 [ 3670.994861][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.994861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.994861][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.994861][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.994861][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.994861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.994861][ T10] [ 3670.997027][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3670.997027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3670.997027][ T10] ipv6_find_idev+0x102/0x170 [ 3670.997027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.997027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.997027][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.997027][ T10] netlink_unicast+0x449/0x710 [ 3670.997027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.997027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.997027][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.997027][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.997027][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.997027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.997027][ T10] [ 3670.998744][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3670.998744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3670.998744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3670.998744][ T10] ipv6_find_idev+0x102/0x170 [ 3670.998744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3670.998744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3670.998744][ T10] netlink_rcv_skb+0x130/0x360 [ 3670.998744][ T10] netlink_unicast+0x449/0x710 [ 3670.998744][ T10] netlink_sendmsg+0x723/0xbe0 [ 3670.998744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3670.998744][ T10] ___sys_sendmsg+0xee/0x170 [ 3670.998744][ T10] __sys_sendmsg+0xcd/0x170 [ 3670.998744][ T10] do_syscall_64+0xc6/0x1e0 [ 3670.998744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3670.998744][ T10] [ 3671.000635][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3671.000945][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3671.000945][ T10] netdev_get_by_index+0x5e/0x80 [ 3671.000945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3671.000945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3671.000945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3671.000945][ T10] ipv6_add_addr+0x411/0x2000 [ 3671.000945][ T10] inet6_addr_add+0x30e/0xa40 [ 3671.000945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3671.000945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.000945][ T10] netlink_rcv_skb+0x130/0x360 [ 3671.000945][ T10] netlink_unicast+0x449/0x710 [ 3671.000945][ T10] netlink_sendmsg+0x723/0xbe0 [ 3671.000945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3671.000945][ T10] ___sys_sendmsg+0xee/0x170 [ 3671.000945][ T10] __sys_sendmsg+0xcd/0x170 [ 3671.000945][ T10] do_syscall_64+0xc6/0x1e0 [ 3671.000945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.000945][ T10] [ 3671.003104][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3671.003104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3671.003104][ T10] ipv6_find_idev+0x102/0x170 [ 3671.003104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3671.003104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.003104][ T10] netlink_rcv_skb+0x130/0x360 [ 3671.003104][ T10] netlink_unicast+0x449/0x710 [ 3671.003104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3671.003104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3671.003104][ T10] ___sys_sendmsg+0xee/0x170 [ 3671.003104][ T10] __sys_sendmsg+0xcd/0x170 [ 3671.003104][ T10] do_syscall_64+0xc6/0x1e0 [ 3671.003104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.003104][ T10] [ 3671.004884][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3671.004884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3671.004884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3671.004884][ T10] ipv6_find_idev+0x102/0x170 [ 3671.004884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3671.004884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3671.004884][ T10] netlink_rcv_skb+0x130/0x360 [ 3671.004884][ T10] netlink_unicast+0x449/0x710 [ 3671.004884][ T10] netlink_sendmsg+0x723/0xbe0 [ 3671.004884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3671.004884][ T10] ___sys_sendmsg+0xee/0x170 [ 3671.004884][ T10] __sys_sendmsg+0xcd/0x170 [ 3671.004884][ T10] do_syscall_64+0xc6/0x1e0 [ 3671.004884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3671.004884][ T10] [ 3681.248211][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3681.248645][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3681.248645][ T10] netdev_get_by_index+0x5e/0x80 [ 3681.248645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3681.248645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3681.248645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3681.248645][ T10] ipv6_add_addr+0x411/0x2000 [ 3681.248645][ T10] inet6_addr_add+0x30e/0xa40 [ 3681.248645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.248645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.248645][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.248645][ T10] netlink_unicast+0x449/0x710 [ 3681.248645][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.248645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.248645][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.248645][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.248645][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.248645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.248645][ T10] [ 3681.250627][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3681.250627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3681.250627][ T10] ipv6_find_idev+0x102/0x170 [ 3681.250627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.250627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.250627][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.250627][ T10] netlink_unicast+0x449/0x710 [ 3681.250627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.250627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.250627][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.250627][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.250627][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.250627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.250627][ T10] [ 3681.252185][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3681.252185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3681.252185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3681.252185][ T10] ipv6_find_idev+0x102/0x170 [ 3681.252185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.252185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.252185][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.252185][ T10] netlink_unicast+0x449/0x710 [ 3681.252185][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.252185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.252185][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.252185][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.252185][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.252185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.252185][ T10] [ 3681.253855][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3681.254133][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3681.254133][ T10] netdev_get_by_index+0x5e/0x80 [ 3681.254133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3681.254133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3681.254133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3681.254133][ T10] ipv6_add_addr+0x411/0x2000 [ 3681.254133][ T10] inet6_addr_add+0x30e/0xa40 [ 3681.254133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.254133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.254133][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.254133][ T10] netlink_unicast+0x449/0x710 [ 3681.254133][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.254133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.254133][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.254133][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.254133][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.254133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.254133][ T10] [ 3681.256101][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3681.256101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3681.256101][ T10] ipv6_find_idev+0x102/0x170 [ 3681.256101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.256101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.256101][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.256101][ T10] netlink_unicast+0x449/0x710 [ 3681.256101][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.256101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.256101][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.256101][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.256101][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.256101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.256101][ T10] [ 3681.257617][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3681.257617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3681.257617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3681.257617][ T10] ipv6_find_idev+0x102/0x170 [ 3681.257617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.257617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.257617][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.257617][ T10] netlink_unicast+0x449/0x710 [ 3681.257617][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.257617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.257617][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.257617][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.257617][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.257617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.257617][ T10] [ 3681.259271][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3681.259529][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3681.259529][ T10] netdev_get_by_index+0x5e/0x80 [ 3681.259529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3681.259529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3681.259529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3681.259529][ T10] ipv6_add_addr+0x411/0x2000 [ 3681.259529][ T10] inet6_addr_add+0x30e/0xa40 [ 3681.259529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.259529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.259529][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.259529][ T10] netlink_unicast+0x449/0x710 [ 3681.259529][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.259529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.259529][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.259529][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.259529][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.259529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.259529][ T10] [ 3681.261488][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3681.261488][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3681.261488][ T10] ipv6_find_idev+0x102/0x170 [ 3681.261488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.261488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.261488][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.261488][ T10] netlink_unicast+0x449/0x710 [ 3681.261488][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.261488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.261488][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.261488][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.261488][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.261488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.261488][ T10] [ 3681.262992][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3681.262992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3681.262992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3681.262992][ T10] ipv6_find_idev+0x102/0x170 [ 3681.262992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.262992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.262992][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.262992][ T10] netlink_unicast+0x449/0x710 [ 3681.262992][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.262992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.262992][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.262992][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.262992][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.262992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.262992][ T10] [ 3681.264637][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3681.264900][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3681.264900][ T10] netdev_get_by_index+0x5e/0x80 [ 3681.264900][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3681.264900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3681.264900][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3681.264900][ T10] ipv6_add_addr+0x411/0x2000 [ 3681.264900][ T10] inet6_addr_add+0x30e/0xa40 [ 3681.264900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.264900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.264900][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.264900][ T10] netlink_unicast+0x449/0x710 [ 3681.264900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.264900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.264900][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.264900][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.264900][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.264900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.264900][ T10] [ 3681.266854][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3681.266854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3681.266854][ T10] ipv6_find_idev+0x102/0x170 [ 3681.266854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.266854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.266854][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.266854][ T10] netlink_unicast+0x449/0x710 [ 3681.266854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.266854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.266854][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.266854][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.266854][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.266854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.266854][ T10] [ 3681.268385][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3681.268385][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3681.268385][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3681.268385][ T10] ipv6_find_idev+0x102/0x170 [ 3681.268385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.268385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.268385][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.268385][ T10] netlink_unicast+0x449/0x710 [ 3681.268385][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.268385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.268385][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.268385][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.268385][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.268385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.268385][ T10] [ 3681.270450][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3681.270712][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3681.270712][ T10] netdev_get_by_index+0x5e/0x80 [ 3681.270712][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3681.270712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3681.270712][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3681.270712][ T10] ipv6_add_addr+0x411/0x2000 [ 3681.270712][ T10] inet6_addr_add+0x30e/0xa40 [ 3681.270712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.270712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.270712][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.270712][ T10] netlink_unicast+0x449/0x710 [ 3681.270712][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.270712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.270712][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.270712][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.270712][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.270712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.270712][ T10] [ 3681.272661][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3681.272661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3681.272661][ T10] ipv6_find_idev+0x102/0x170 [ 3681.272661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.272661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.272661][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.272661][ T10] netlink_unicast+0x449/0x710 [ 3681.272661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.272661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.272661][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.272661][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.272661][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.272661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.272661][ T10] [ 3681.274168][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3681.274168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3681.274168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3681.274168][ T10] ipv6_find_idev+0x102/0x170 [ 3681.274168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.274168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.274168][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.274168][ T10] netlink_unicast+0x449/0x710 [ 3681.274168][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.274168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.274168][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.274168][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.274168][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.274168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.274168][ T10] [ 3681.275857][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3681.276126][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3681.276126][ T10] netdev_get_by_index+0x5e/0x80 [ 3681.276126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3681.276126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3681.276126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3681.276126][ T10] ipv6_add_addr+0x411/0x2000 [ 3681.276126][ T10] inet6_addr_add+0x30e/0xa40 [ 3681.276126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.276126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.276126][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.276126][ T10] netlink_unicast+0x449/0x710 [ 3681.276126][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.276126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.276126][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.276126][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.276126][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.276126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.276126][ T10] [ 3681.278266][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3681.278266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3681.278266][ T10] ipv6_find_idev+0x102/0x170 [ 3681.278266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.278266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.278266][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.278266][ T10] netlink_unicast+0x449/0x710 [ 3681.278266][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.278266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.278266][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.278266][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.278266][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.278266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.278266][ T10] [ 3681.280014][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3681.280014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3681.280014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3681.280014][ T10] ipv6_find_idev+0x102/0x170 [ 3681.280014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.280014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.280014][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.280014][ T10] netlink_unicast+0x449/0x710 [ 3681.280014][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.280014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.280014][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.280014][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.280014][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.280014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.280014][ T10] [ 3681.281893][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3681.282203][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3681.282203][ T10] netdev_get_by_index+0x5e/0x80 [ 3681.282203][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3681.282203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3681.282203][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3681.282203][ T10] ipv6_add_addr+0x411/0x2000 [ 3681.282203][ T10] inet6_addr_add+0x30e/0xa40 [ 3681.282203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.282203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.282203][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.282203][ T10] netlink_unicast+0x449/0x710 [ 3681.282203][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.282203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.282203][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.282203][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.282203][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.282203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.282203][ T10] [ 3681.284836][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3681.284836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3681.284836][ T10] ipv6_find_idev+0x102/0x170 [ 3681.284836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.284836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.284836][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.284836][ T10] netlink_unicast+0x449/0x710 [ 3681.284836][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.284836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.284836][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.284836][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.284836][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.284836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.284836][ T10] [ 3681.286529][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3681.286529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3681.286529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3681.286529][ T10] ipv6_find_idev+0x102/0x170 [ 3681.286529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.286529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.286529][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.286529][ T10] netlink_unicast+0x449/0x710 [ 3681.286529][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.286529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.286529][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.286529][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.286529][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.286529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.286529][ T10] [ 3681.288405][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3681.288665][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3681.288665][ T10] netdev_get_by_index+0x5e/0x80 [ 3681.288665][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3681.288665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3681.288665][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3681.288665][ T10] ipv6_add_addr+0x411/0x2000 [ 3681.288665][ T10] inet6_addr_add+0x30e/0xa40 [ 3681.288665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3681.288665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.288665][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.288665][ T10] netlink_unicast+0x449/0x710 [ 3681.288665][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.288665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.288665][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.288665][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.288665][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.288665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.288665][ T10] [ 3681.290922][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3681.290922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3681.290922][ T10] ipv6_find_idev+0x102/0x170 [ 3681.290922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.290922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.290922][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.290922][ T10] netlink_unicast+0x449/0x710 [ 3681.290922][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.290922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.290922][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.290922][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.290922][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.290922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.290922][ T10] [ 3681.292610][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3681.292610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3681.292610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3681.292610][ T10] ipv6_find_idev+0x102/0x170 [ 3681.292610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3681.292610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3681.292610][ T10] netlink_rcv_skb+0x130/0x360 [ 3681.292610][ T10] netlink_unicast+0x449/0x710 [ 3681.292610][ T10] netlink_sendmsg+0x723/0xbe0 [ 3681.292610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3681.292610][ T10] ___sys_sendmsg+0xee/0x170 [ 3681.292610][ T10] __sys_sendmsg+0xcd/0x170 [ 3681.292610][ T10] do_syscall_64+0xc6/0x1e0 [ 3681.292610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3681.292610][ T10] [ 3687.704249][ T42] INFO: task modprobe:14771 blocked for more than 614 seconds. [ 3687.704584][ T42] Not tainted 6.8.0-virtme #1 [ 3687.704702][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3687.704899][ T42] task:modprobe state:D stack:25856 pid:14771 tgid:14771 ppid:36 flags:0x00004002 [ 3687.705178][ T42] Call Trace: [ 3687.705274][ T42] [ 3687.705343][ T42] __schedule+0x705/0x1ac0 [ 3687.705478][ T42] ? __pfx___schedule+0x10/0x10 [ 3687.705604][ T42] ? schedule+0x1a5/0x210 [ 3687.705699][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3687.705830][ T42] ? mark_lock+0x38/0x3e0 [ 3687.705923][ T42] ? do_raw_spin_lock+0x131/0x270 [ 3687.706050][ T42] ? schedule+0x1a5/0x210 [ 3687.706162][ T42] schedule+0xdf/0x210 [ 3687.706257][ T42] schedule_preempt_disabled+0x15/0x30 [ 3687.706377][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 3687.706508][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 3687.706664][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3687.706795][ T42] ? lock_acquire+0x1c1/0x220 [ 3687.706916][ T42] ? register_pernet_subsys+0x1a/0x50 [ 3687.707047][ T42] down_write+0x1c9/0x200 [ 3687.707151][ T42] ? __pfx_down_write+0x10/0x10 [ 3687.707277][ T42] ? __lock_release+0x103/0x460 [ 3687.707806][ T42] ? __create_object+0x5e/0xb0 [ 3687.707934][ T42] ? __pfx___lock_release+0x10/0x10 [ 3687.708061][ T42] register_pernet_subsys+0x1a/0x50 [ 3687.708197][ T42] tcf_register_action+0xa3/0x600 [ 3687.708321][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 3687.708480][ T42] do_one_initcall+0xc8/0x3f0 [ 3687.708608][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 3687.708735][ T42] ? __create_object+0x5e/0xb0 [ 3687.708860][ T42] ? kasan_unpoison+0x27/0x60 [ 3687.708990][ T42] do_init_module+0x233/0x740 [ 3687.709130][ T42] load_module+0x16b5/0x2350 [ 3687.709264][ T42] ? __pfx_load_module+0x10/0x10 [ 3687.709392][ T42] ? kernel_read_file+0x3d2/0x520 [ 3687.709521][ T42] ? kernel_read_file+0x300/0x520 [ 3687.709647][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 3687.709777][ T42] ? init_module_from_file+0xd2/0x130 [ 3687.709902][ T42] init_module_from_file+0xd2/0x130 [ 3687.710026][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 3687.710191][ T42] ? __lock_release+0x103/0x460 [ 3687.710312][ T42] ? idempotent_init_module+0x32a/0x620 [ 3687.710447][ T42] ? idempotent_init_module+0x32a/0x620 [ 3687.710570][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 3687.710696][ T42] idempotent_init_module+0x342/0x620 [ 3687.710821][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 3687.710996][ T42] __x64_sys_finit_module+0xbe/0x130 [ 3687.711130][ T42] do_syscall_64+0xc6/0x1e0 [ 3687.711257][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3687.711409][ T42] RIP: 0033:0x7f9f7563de5d [ 3687.711539][ T42] RSP: 002b:00007ffe3a6850f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 3687.711729][ T42] RAX: ffffffffffffffda RBX: 0000558501133c00 RCX: 00007f9f7563de5d [ 3687.711912][ T42] RDX: 0000000000000000 RSI: 00005584c204fa2a RDI: 0000000000000000 [ 3687.712111][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe3a685230 [ 3687.712291][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584c204fa2a [ 3687.712470][ T42] R13: 0000558501133b10 R14: 0000558501133f40 R15: 0000558501133c72 [ 3687.712668][ T42] [ 3687.712761][ T42] [ 3687.712761][ T42] Showing all locks held in the system: [ 3687.712933][ T42] 3 locks held by kworker/u16:0/10: [ 3687.713056][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3687.713311][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3687.713529][ T42] #2: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 3687.713758][ T42] 2 locks held by kworker/u17:0/36: [ 3687.713876][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3687.714133][ T42] #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3687.714404][ T42] 1 lock held by khungtaskd/42: [ 3687.714520][ T42] #0: ffffffff96f69160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 3687.714743][ T42] 1 lock held by modprobe/14771: [ 3687.714860][ T42] #0: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 3687.715115][ T42] [ 3687.715178][ T42] ============================================= [ 3687.715178][ T42] [ 3691.536218][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3691.536656][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3691.536656][ T10] netdev_get_by_index+0x5e/0x80 [ 3691.536656][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3691.536656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3691.536656][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3691.536656][ T10] ipv6_add_addr+0x411/0x2000 [ 3691.536656][ T10] inet6_addr_add+0x30e/0xa40 [ 3691.536656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3691.536656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.536656][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.536656][ T10] netlink_unicast+0x449/0x710 [ 3691.536656][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.536656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.536656][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.536656][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.536656][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.536656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.536656][ T10] [ 3691.538660][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3691.538660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3691.538660][ T10] ipv6_find_idev+0x102/0x170 [ 3691.538660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.538660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.538660][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.538660][ T10] netlink_unicast+0x449/0x710 [ 3691.538660][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.538660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.538660][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.538660][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.538660][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.538660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.538660][ T10] [ 3691.540169][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3691.540169][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3691.540169][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3691.540169][ T10] ipv6_find_idev+0x102/0x170 [ 3691.540169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.540169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.540169][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.540169][ T10] netlink_unicast+0x449/0x710 [ 3691.540169][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.540169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.540169][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.540169][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.540169][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.540169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.540169][ T10] [ 3691.541829][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3691.542099][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3691.542099][ T10] netdev_get_by_index+0x5e/0x80 [ 3691.542099][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3691.542099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3691.542099][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3691.542099][ T10] ipv6_add_addr+0x411/0x2000 [ 3691.542099][ T10] inet6_addr_add+0x30e/0xa40 [ 3691.542099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3691.542099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.542099][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.542099][ T10] netlink_unicast+0x449/0x710 [ 3691.542099][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.542099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.542099][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.542099][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.542099][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.542099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.542099][ T10] [ 3691.544052][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3691.544052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3691.544052][ T10] ipv6_find_idev+0x102/0x170 [ 3691.544052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.544052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.544052][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.544052][ T10] netlink_unicast+0x449/0x710 [ 3691.544052][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.544052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.544052][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.544052][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.544052][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.544052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.544052][ T10] [ 3691.545561][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3691.545561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3691.545561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3691.545561][ T10] ipv6_find_idev+0x102/0x170 [ 3691.545561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.545561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.545561][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.545561][ T10] netlink_unicast+0x449/0x710 [ 3691.545561][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.545561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.545561][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.545561][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.545561][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.545561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.545561][ T10] [ 3691.547233][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3691.547518][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3691.547518][ T10] netdev_get_by_index+0x5e/0x80 [ 3691.547518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3691.547518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3691.547518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3691.547518][ T10] ipv6_add_addr+0x411/0x2000 [ 3691.547518][ T10] inet6_addr_add+0x30e/0xa40 [ 3691.547518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3691.547518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.547518][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.547518][ T10] netlink_unicast+0x449/0x710 [ 3691.547518][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.547518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.547518][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.547518][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.547518][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.547518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.547518][ T10] [ 3691.549472][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3691.549472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3691.549472][ T10] ipv6_find_idev+0x102/0x170 [ 3691.549472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.549472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.549472][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.549472][ T10] netlink_unicast+0x449/0x710 [ 3691.549472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.549472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.549472][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.549472][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.549472][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.549472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.549472][ T10] [ 3691.550980][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3691.550980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3691.550980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3691.550980][ T10] ipv6_find_idev+0x102/0x170 [ 3691.550980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.550980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.550980][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.550980][ T10] netlink_unicast+0x449/0x710 [ 3691.550980][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.550980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.550980][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.550980][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.550980][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.550980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.550980][ T10] [ 3691.552663][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3691.552924][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3691.552924][ T10] netdev_get_by_index+0x5e/0x80 [ 3691.552924][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3691.552924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3691.552924][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3691.552924][ T10] ipv6_add_addr+0x411/0x2000 [ 3691.552924][ T10] inet6_addr_add+0x30e/0xa40 [ 3691.552924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3691.552924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.552924][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.552924][ T10] netlink_unicast+0x449/0x710 [ 3691.552924][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.552924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.552924][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.552924][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.552924][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.552924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.552924][ T10] [ 3691.554885][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3691.554885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3691.554885][ T10] ipv6_find_idev+0x102/0x170 [ 3691.554885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.554885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.554885][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.554885][ T10] netlink_unicast+0x449/0x710 [ 3691.554885][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.554885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.554885][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.554885][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.554885][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.554885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.554885][ T10] [ 3691.556399][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3691.556399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3691.556399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3691.556399][ T10] ipv6_find_idev+0x102/0x170 [ 3691.556399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.556399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.556399][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.556399][ T10] netlink_unicast+0x449/0x710 [ 3691.556399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.556399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.556399][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.556399][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.556399][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.556399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.556399][ T10] [ 3691.558068][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3691.558391][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3691.558391][ T10] netdev_get_by_index+0x5e/0x80 [ 3691.558391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3691.558391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3691.558391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3691.558391][ T10] ipv6_add_addr+0x411/0x2000 [ 3691.558391][ T10] inet6_addr_add+0x30e/0xa40 [ 3691.558391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3691.558391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.558391][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.558391][ T10] netlink_unicast+0x449/0x710 [ 3691.558391][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.558391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.558391][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.558391][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.558391][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.558391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.558391][ T10] [ 3691.560355][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3691.560355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3691.560355][ T10] ipv6_find_idev+0x102/0x170 [ 3691.560355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.560355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.560355][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.560355][ T10] netlink_unicast+0x449/0x710 [ 3691.560355][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.560355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.560355][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.560355][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.560355][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.560355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.560355][ T10] [ 3691.561928][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3691.561928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3691.561928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3691.561928][ T10] ipv6_find_idev+0x102/0x170 [ 3691.561928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.561928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.561928][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.561928][ T10] netlink_unicast+0x449/0x710 [ 3691.561928][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.561928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.561928][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.561928][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.561928][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.561928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.561928][ T10] [ 3691.563860][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3691.564120][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3691.564120][ T10] netdev_get_by_index+0x5e/0x80 [ 3691.564120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3691.564120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3691.564120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3691.564120][ T10] ipv6_add_addr+0x411/0x2000 [ 3691.564120][ T10] inet6_addr_add+0x30e/0xa40 [ 3691.564120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3691.564120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.564120][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.564120][ T10] netlink_unicast+0x449/0x710 [ 3691.564120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.564120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.564120][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.564120][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.564120][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.564120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.564120][ T10] [ 3691.566322][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3691.566322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3691.566322][ T10] ipv6_find_idev+0x102/0x170 [ 3691.566322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.566322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.566322][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.566322][ T10] netlink_unicast+0x449/0x710 [ 3691.566322][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.566322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.566322][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.566322][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.566322][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.566322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.566322][ T10] [ 3691.568011][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3691.568011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3691.568011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3691.568011][ T10] ipv6_find_idev+0x102/0x170 [ 3691.568011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.568011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.568011][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.568011][ T10] netlink_unicast+0x449/0x710 [ 3691.568011][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.568011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.568011][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.568011][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.568011][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.568011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.568011][ T10] [ 3691.569871][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3691.570133][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3691.570133][ T10] netdev_get_by_index+0x5e/0x80 [ 3691.570133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3691.570133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3691.570133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3691.570133][ T10] ipv6_add_addr+0x411/0x2000 [ 3691.570133][ T10] inet6_addr_add+0x30e/0xa40 [ 3691.570133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3691.570133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.570133][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.570133][ T10] netlink_unicast+0x449/0x710 [ 3691.570133][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.570133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.570133][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.570133][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.570133][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.570133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.570133][ T10] [ 3691.572335][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3691.572335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3691.572335][ T10] ipv6_find_idev+0x102/0x170 [ 3691.572335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.572335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.572335][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.572335][ T10] netlink_unicast+0x449/0x710 [ 3691.572335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.572335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.572335][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.572335][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.572335][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.572335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.572335][ T10] [ 3691.574079][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3691.574079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3691.574079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3691.574079][ T10] ipv6_find_idev+0x102/0x170 [ 3691.574079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.574079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.574079][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.574079][ T10] netlink_unicast+0x449/0x710 [ 3691.574079][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.574079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.574079][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.574079][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.574079][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.574079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.574079][ T10] [ 3691.575945][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3691.576271][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3691.576271][ T10] netdev_get_by_index+0x5e/0x80 [ 3691.576271][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3691.576271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3691.576271][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3691.576271][ T10] ipv6_add_addr+0x411/0x2000 [ 3691.576271][ T10] inet6_addr_add+0x30e/0xa40 [ 3691.576271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3691.576271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.576271][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.576271][ T10] netlink_unicast+0x449/0x710 [ 3691.576271][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.576271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.576271][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.576271][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.576271][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.576271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.576271][ T10] [ 3691.578444][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3691.578444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3691.578444][ T10] ipv6_find_idev+0x102/0x170 [ 3691.578444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.578444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.578444][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.578444][ T10] netlink_unicast+0x449/0x710 [ 3691.578444][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.578444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.578444][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.578444][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.578444][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.578444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.578444][ T10] [ 3691.580134][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3691.580134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3691.580134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3691.580134][ T10] ipv6_find_idev+0x102/0x170 [ 3691.580134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3691.580134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3691.580134][ T10] netlink_rcv_skb+0x130/0x360 [ 3691.580134][ T10] netlink_unicast+0x449/0x710 [ 3691.580134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3691.580134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3691.580134][ T10] ___sys_sendmsg+0xee/0x170 [ 3691.580134][ T10] __sys_sendmsg+0xcd/0x170 [ 3691.580134][ T10] do_syscall_64+0xc6/0x1e0 [ 3691.580134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3691.580134][ T10] [ 3701.824210][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3701.824663][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3701.824663][ T10] netdev_get_by_index+0x5e/0x80 [ 3701.824663][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3701.824663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3701.824663][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3701.824663][ T10] ipv6_add_addr+0x411/0x2000 [ 3701.824663][ T10] inet6_addr_add+0x30e/0xa40 [ 3701.824663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.824663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.824663][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.824663][ T10] netlink_unicast+0x449/0x710 [ 3701.824663][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.824663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.824663][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.824663][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.824663][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.824663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.824663][ T10] [ 3701.826653][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3701.826653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3701.826653][ T10] ipv6_find_idev+0x102/0x170 [ 3701.826653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.826653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.826653][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.826653][ T10] netlink_unicast+0x449/0x710 [ 3701.826653][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.826653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.826653][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.826653][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.826653][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.826653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.826653][ T10] [ 3701.828190][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3701.828190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3701.828190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3701.828190][ T10] ipv6_find_idev+0x102/0x170 [ 3701.828190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.828190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.828190][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.828190][ T10] netlink_unicast+0x449/0x710 [ 3701.828190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.828190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.828190][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.828190][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.828190][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.828190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.828190][ T10] [ 3701.829852][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3701.830135][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3701.830135][ T10] netdev_get_by_index+0x5e/0x80 [ 3701.830135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3701.830135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3701.830135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3701.830135][ T10] ipv6_add_addr+0x411/0x2000 [ 3701.830135][ T10] inet6_addr_add+0x30e/0xa40 [ 3701.830135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.830135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.830135][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.830135][ T10] netlink_unicast+0x449/0x710 [ 3701.830135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.830135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.830135][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.830135][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.830135][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.830135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.830135][ T10] [ 3701.832106][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3701.832106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3701.832106][ T10] ipv6_find_idev+0x102/0x170 [ 3701.832106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.832106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.832106][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.832106][ T10] netlink_unicast+0x449/0x710 [ 3701.832106][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.832106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.832106][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.832106][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.832106][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.832106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.832106][ T10] [ 3701.833623][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3701.833623][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3701.833623][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3701.833623][ T10] ipv6_find_idev+0x102/0x170 [ 3701.833623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.833623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.833623][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.833623][ T10] netlink_unicast+0x449/0x710 [ 3701.833623][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.833623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.833623][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.833623][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.833623][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.833623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.833623][ T10] [ 3701.835301][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3701.835565][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3701.835565][ T10] netdev_get_by_index+0x5e/0x80 [ 3701.835565][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3701.835565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3701.835565][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3701.835565][ T10] ipv6_add_addr+0x411/0x2000 [ 3701.835565][ T10] inet6_addr_add+0x30e/0xa40 [ 3701.835565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.835565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.835565][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.835565][ T10] netlink_unicast+0x449/0x710 [ 3701.835565][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.835565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.835565][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.835565][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.835565][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.835565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.835565][ T10] [ 3701.837533][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3701.837533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3701.837533][ T10] ipv6_find_idev+0x102/0x170 [ 3701.837533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.837533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.837533][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.837533][ T10] netlink_unicast+0x449/0x710 [ 3701.837533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.837533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.837533][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.837533][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.837533][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.837533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.837533][ T10] [ 3701.839040][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3701.839040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3701.839040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3701.839040][ T10] ipv6_find_idev+0x102/0x170 [ 3701.839040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.839040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.839040][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.839040][ T10] netlink_unicast+0x449/0x710 [ 3701.839040][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.839040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.839040][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.839040][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.839040][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.839040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.839040][ T10] [ 3701.840697][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3701.840959][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3701.840959][ T10] netdev_get_by_index+0x5e/0x80 [ 3701.840959][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3701.840959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3701.840959][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3701.840959][ T10] ipv6_add_addr+0x411/0x2000 [ 3701.840959][ T10] inet6_addr_add+0x30e/0xa40 [ 3701.840959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.840959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.840959][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.840959][ T10] netlink_unicast+0x449/0x710 [ 3701.840959][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.840959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.840959][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.840959][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.840959][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.840959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.840959][ T10] [ 3701.842929][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3701.842929][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3701.842929][ T10] ipv6_find_idev+0x102/0x170 [ 3701.842929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.842929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.842929][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.842929][ T10] netlink_unicast+0x449/0x710 [ 3701.842929][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.842929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.842929][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.842929][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.842929][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.842929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.842929][ T10] [ 3701.844439][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3701.844439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3701.844439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3701.844439][ T10] ipv6_find_idev+0x102/0x170 [ 3701.844439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.844439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.844439][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.844439][ T10] netlink_unicast+0x449/0x710 [ 3701.844439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.844439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.844439][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.844439][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.844439][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.844439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.844439][ T10] [ 3701.846496][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3701.846754][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3701.846754][ T10] netdev_get_by_index+0x5e/0x80 [ 3701.846754][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3701.846754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3701.846754][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3701.846754][ T10] ipv6_add_addr+0x411/0x2000 [ 3701.846754][ T10] inet6_addr_add+0x30e/0xa40 [ 3701.846754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.846754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.846754][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.846754][ T10] netlink_unicast+0x449/0x710 [ 3701.846754][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.846754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.846754][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.846754][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.846754][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.846754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.846754][ T10] [ 3701.848711][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3701.848711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3701.848711][ T10] ipv6_find_idev+0x102/0x170 [ 3701.848711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.848711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.848711][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.848711][ T10] netlink_unicast+0x449/0x710 [ 3701.848711][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.848711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.848711][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.848711][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.848711][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.848711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.848711][ T10] [ 3701.850224][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3701.850224][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3701.850224][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3701.850224][ T10] ipv6_find_idev+0x102/0x170 [ 3701.850224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.850224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.850224][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.850224][ T10] netlink_unicast+0x449/0x710 [ 3701.850224][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.850224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.850224][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.850224][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.850224][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.850224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.850224][ T10] [ 3701.851920][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3701.852229][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3701.852229][ T10] netdev_get_by_index+0x5e/0x80 [ 3701.852229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3701.852229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3701.852229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3701.852229][ T10] ipv6_add_addr+0x411/0x2000 [ 3701.852229][ T10] inet6_addr_add+0x30e/0xa40 [ 3701.852229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.852229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.852229][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.852229][ T10] netlink_unicast+0x449/0x710 [ 3701.852229][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.852229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.852229][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.852229][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.852229][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.852229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.852229][ T10] [ 3701.854315][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3701.854315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3701.854315][ T10] ipv6_find_idev+0x102/0x170 [ 3701.854315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.854315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.854315][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.854315][ T10] netlink_unicast+0x449/0x710 [ 3701.854315][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.854315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.854315][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.854315][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.854315][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.854315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.854315][ T10] [ 3701.856065][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3701.856065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3701.856065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3701.856065][ T10] ipv6_find_idev+0x102/0x170 [ 3701.856065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.856065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.856065][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.856065][ T10] netlink_unicast+0x449/0x710 [ 3701.856065][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.856065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.856065][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.856065][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.856065][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.856065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.856065][ T10] [ 3701.857952][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3701.858263][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3701.858263][ T10] netdev_get_by_index+0x5e/0x80 [ 3701.858263][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3701.858263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3701.858263][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3701.858263][ T10] ipv6_add_addr+0x411/0x2000 [ 3701.858263][ T10] inet6_addr_add+0x30e/0xa40 [ 3701.858263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.858263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.858263][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.858263][ T10] netlink_unicast+0x449/0x710 [ 3701.858263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.858263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.858263][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.858263][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.858263][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.858263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.858263][ T10] [ 3701.860364][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3701.860364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3701.860364][ T10] ipv6_find_idev+0x102/0x170 [ 3701.860364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.860364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.860364][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.860364][ T10] netlink_unicast+0x449/0x710 [ 3701.860364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.860364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.860364][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.860364][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.860364][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.860364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.860364][ T10] [ 3701.862045][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3701.862045][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3701.862045][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3701.862045][ T10] ipv6_find_idev+0x102/0x170 [ 3701.862045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.862045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.862045][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.862045][ T10] netlink_unicast+0x449/0x710 [ 3701.862045][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.862045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.862045][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.862045][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.862045][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.862045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.862045][ T10] [ 3701.863968][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3701.864284][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3701.864284][ T10] netdev_get_by_index+0x5e/0x80 [ 3701.864284][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3701.864284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3701.864284][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3701.864284][ T10] ipv6_add_addr+0x411/0x2000 [ 3701.864284][ T10] inet6_addr_add+0x30e/0xa40 [ 3701.864284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3701.864284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.864284][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.864284][ T10] netlink_unicast+0x449/0x710 [ 3701.864284][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.864284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.864284][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.864284][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.864284][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.864284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.864284][ T10] [ 3701.866493][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3701.866493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3701.866493][ T10] ipv6_find_idev+0x102/0x170 [ 3701.866493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.866493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.866493][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.866493][ T10] netlink_unicast+0x449/0x710 [ 3701.866493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.866493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.866493][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.866493][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.866493][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.866493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.866493][ T10] [ 3701.868182][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3701.868182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3701.868182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3701.868182][ T10] ipv6_find_idev+0x102/0x170 [ 3701.868182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3701.868182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3701.868182][ T10] netlink_rcv_skb+0x130/0x360 [ 3701.868182][ T10] netlink_unicast+0x449/0x710 [ 3701.868182][ T10] netlink_sendmsg+0x723/0xbe0 [ 3701.868182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3701.868182][ T10] ___sys_sendmsg+0xee/0x170 [ 3701.868182][ T10] __sys_sendmsg+0xcd/0x170 [ 3701.868182][ T10] do_syscall_64+0xc6/0x1e0 [ 3701.868182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3701.868182][ T10] [ 3712.112241][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3712.112691][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3712.112691][ T10] netdev_get_by_index+0x5e/0x80 [ 3712.112691][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3712.112691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3712.112691][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3712.112691][ T10] ipv6_add_addr+0x411/0x2000 [ 3712.112691][ T10] inet6_addr_add+0x30e/0xa40 [ 3712.112691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.112691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.112691][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.112691][ T10] netlink_unicast+0x449/0x710 [ 3712.112691][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.112691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.112691][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.112691][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.112691][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.112691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.112691][ T10] [ 3712.114681][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3712.114681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3712.114681][ T10] ipv6_find_idev+0x102/0x170 [ 3712.114681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.114681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.114681][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.114681][ T10] netlink_unicast+0x449/0x710 [ 3712.114681][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.114681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.114681][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.114681][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.114681][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.114681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.114681][ T10] [ 3712.116207][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3712.116207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3712.116207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3712.116207][ T10] ipv6_find_idev+0x102/0x170 [ 3712.116207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.116207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.116207][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.116207][ T10] netlink_unicast+0x449/0x710 [ 3712.116207][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.116207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.116207][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.116207][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.116207][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.116207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.116207][ T10] [ 3712.117883][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3712.118176][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3712.118176][ T10] netdev_get_by_index+0x5e/0x80 [ 3712.118176][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3712.118176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3712.118176][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3712.118176][ T10] ipv6_add_addr+0x411/0x2000 [ 3712.118176][ T10] inet6_addr_add+0x30e/0xa40 [ 3712.118176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.118176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.118176][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.118176][ T10] netlink_unicast+0x449/0x710 [ 3712.118176][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.118176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.118176][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.118176][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.118176][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.118176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.118176][ T10] [ 3712.120132][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3712.120132][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3712.120132][ T10] ipv6_find_idev+0x102/0x170 [ 3712.120132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.120132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.120132][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.120132][ T10] netlink_unicast+0x449/0x710 [ 3712.120132][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.120132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.120132][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.120132][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.120132][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.120132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.120132][ T10] [ 3712.121666][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3712.121666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3712.121666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3712.121666][ T10] ipv6_find_idev+0x102/0x170 [ 3712.121666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.121666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.121666][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.121666][ T10] netlink_unicast+0x449/0x710 [ 3712.121666][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.121666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.121666][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.121666][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.121666][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.121666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.121666][ T10] [ 3712.123326][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3712.123610][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3712.123610][ T10] netdev_get_by_index+0x5e/0x80 [ 3712.123610][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3712.123610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3712.123610][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3712.123610][ T10] ipv6_add_addr+0x411/0x2000 [ 3712.123610][ T10] inet6_addr_add+0x30e/0xa40 [ 3712.123610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.123610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.123610][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.123610][ T10] netlink_unicast+0x449/0x710 [ 3712.123610][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.123610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.123610][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.123610][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.123610][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.123610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.123610][ T10] [ 3712.125593][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3712.125593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3712.125593][ T10] ipv6_find_idev+0x102/0x170 [ 3712.125593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.125593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.125593][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.125593][ T10] netlink_unicast+0x449/0x710 [ 3712.125593][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.125593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.125593][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.125593][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.125593][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.125593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.125593][ T10] [ 3712.127113][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3712.127113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3712.127113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3712.127113][ T10] ipv6_find_idev+0x102/0x170 [ 3712.127113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.127113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.127113][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.127113][ T10] netlink_unicast+0x449/0x710 [ 3712.127113][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.127113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.127113][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.127113][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.127113][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.127113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.127113][ T10] [ 3712.128778][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3712.129038][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3712.129038][ T10] netdev_get_by_index+0x5e/0x80 [ 3712.129038][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3712.129038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3712.129038][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3712.129038][ T10] ipv6_add_addr+0x411/0x2000 [ 3712.129038][ T10] inet6_addr_add+0x30e/0xa40 [ 3712.129038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.129038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.129038][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.129038][ T10] netlink_unicast+0x449/0x710 [ 3712.129038][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.129038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.129038][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.129038][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.129038][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.129038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.129038][ T10] [ 3712.131022][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3712.131022][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3712.131022][ T10] ipv6_find_idev+0x102/0x170 [ 3712.131022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.131022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.131022][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.131022][ T10] netlink_unicast+0x449/0x710 [ 3712.131022][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.131022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.131022][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.131022][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.131022][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.131022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.131022][ T10] [ 3712.132546][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3712.132546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3712.132546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3712.132546][ T10] ipv6_find_idev+0x102/0x170 [ 3712.132546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.132546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.132546][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.132546][ T10] netlink_unicast+0x449/0x710 [ 3712.132546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.132546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.132546][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.132546][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.132546][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.132546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.132546][ T10] [ 3712.134603][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3712.134863][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3712.134863][ T10] netdev_get_by_index+0x5e/0x80 [ 3712.134863][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3712.134863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3712.134863][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3712.134863][ T10] ipv6_add_addr+0x411/0x2000 [ 3712.134863][ T10] inet6_addr_add+0x30e/0xa40 [ 3712.134863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.134863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.134863][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.134863][ T10] netlink_unicast+0x449/0x710 [ 3712.134863][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.134863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.134863][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.134863][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.134863][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.134863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.134863][ T10] [ 3712.136817][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3712.136817][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3712.136817][ T10] ipv6_find_idev+0x102/0x170 [ 3712.136817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.136817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.136817][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.136817][ T10] netlink_unicast+0x449/0x710 [ 3712.136817][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.136817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.136817][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.136817][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.136817][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.136817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.136817][ T10] [ 3712.138334][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3712.138334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3712.138334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3712.138334][ T10] ipv6_find_idev+0x102/0x170 [ 3712.138334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.138334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.138334][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.138334][ T10] netlink_unicast+0x449/0x710 [ 3712.138334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.138334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.138334][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.138334][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.138334][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.138334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.138334][ T10] [ 3712.140023][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3712.140333][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3712.140333][ T10] netdev_get_by_index+0x5e/0x80 [ 3712.140333][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3712.140333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3712.140333][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3712.140333][ T10] ipv6_add_addr+0x411/0x2000 [ 3712.140333][ T10] inet6_addr_add+0x30e/0xa40 [ 3712.140333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.140333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.140333][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.140333][ T10] netlink_unicast+0x449/0x710 [ 3712.140333][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.140333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.140333][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.140333][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.140333][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.140333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.140333][ T10] [ 3712.142411][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3712.142411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3712.142411][ T10] ipv6_find_idev+0x102/0x170 [ 3712.142411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.142411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.142411][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.142411][ T10] netlink_unicast+0x449/0x710 [ 3712.142411][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.142411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.142411][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.142411][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.142411][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.142411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.142411][ T10] [ 3712.144599][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3712.144599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3712.144599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3712.144599][ T10] ipv6_find_idev+0x102/0x170 [ 3712.144599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.144599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.144599][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.144599][ T10] netlink_unicast+0x449/0x710 [ 3712.144599][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.144599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.144599][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.144599][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.144599][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.144599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.144599][ T10] [ 3712.146530][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3712.146788][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3712.146788][ T10] netdev_get_by_index+0x5e/0x80 [ 3712.146788][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3712.146788][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3712.146788][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3712.146788][ T10] ipv6_add_addr+0x411/0x2000 [ 3712.146788][ T10] inet6_addr_add+0x30e/0xa40 [ 3712.146788][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.146788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.146788][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.146788][ T10] netlink_unicast+0x449/0x710 [ 3712.146788][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.146788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.146788][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.146788][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.146788][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.146788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.146788][ T10] [ 3712.148932][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3712.148932][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3712.148932][ T10] ipv6_find_idev+0x102/0x170 [ 3712.148932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.148932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.148932][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.148932][ T10] netlink_unicast+0x449/0x710 [ 3712.148932][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.148932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.148932][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.148932][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.148932][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.148932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.148932][ T10] [ 3712.150632][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3712.150632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3712.150632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3712.150632][ T10] ipv6_find_idev+0x102/0x170 [ 3712.150632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.150632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.150632][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.150632][ T10] netlink_unicast+0x449/0x710 [ 3712.150632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.150632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.150632][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.150632][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.150632][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.150632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.150632][ T10] [ 3712.152493][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3712.152750][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3712.152750][ T10] netdev_get_by_index+0x5e/0x80 [ 3712.152750][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3712.152750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3712.152750][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3712.152750][ T10] ipv6_add_addr+0x411/0x2000 [ 3712.152750][ T10] inet6_addr_add+0x30e/0xa40 [ 3712.152750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.152750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.152750][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.152750][ T10] netlink_unicast+0x449/0x710 [ 3712.152750][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.152750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.152750][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.152750][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.152750][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.152750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.152750][ T10] [ 3712.155008][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3712.155008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3712.155008][ T10] ipv6_find_idev+0x102/0x170 [ 3712.155008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.155008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.155008][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.155008][ T10] netlink_unicast+0x449/0x710 [ 3712.155008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.155008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.155008][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.155008][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.155008][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.155008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.155008][ T10] [ 3712.156700][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3712.156700][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3712.156700][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3712.156700][ T10] ipv6_find_idev+0x102/0x170 [ 3712.156700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.156700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.156700][ T10] netlink_rcv_skb+0x130/0x360 [ 3712.156700][ T10] netlink_unicast+0x449/0x710 [ 3712.156700][ T10] netlink_sendmsg+0x723/0xbe0 [ 3712.156700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3712.156700][ T10] ___sys_sendmsg+0xee/0x170 [ 3712.156700][ T10] __sys_sendmsg+0xcd/0x170 [ 3712.156700][ T10] do_syscall_64+0xc6/0x1e0 [ 3712.156700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.156700][ T10] [ 3722.400223][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3722.400663][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3722.400663][ T10] netdev_get_by_index+0x5e/0x80 [ 3722.400663][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3722.400663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3722.400663][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3722.400663][ T10] ipv6_add_addr+0x411/0x2000 [ 3722.400663][ T10] inet6_addr_add+0x30e/0xa40 [ 3722.400663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.400663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.400663][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.400663][ T10] netlink_unicast+0x449/0x710 [ 3722.400663][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.400663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.400663][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.400663][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.400663][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.400663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.400663][ T10] [ 3722.402648][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3722.402648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3722.402648][ T10] ipv6_find_idev+0x102/0x170 [ 3722.402648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.402648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.402648][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.402648][ T10] netlink_unicast+0x449/0x710 [ 3722.402648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.402648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.402648][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.402648][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.402648][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.402648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.402648][ T10] [ 3722.404159][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3722.404159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3722.404159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3722.404159][ T10] ipv6_find_idev+0x102/0x170 [ 3722.404159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.404159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.404159][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.404159][ T10] netlink_unicast+0x449/0x710 [ 3722.404159][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.404159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.404159][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.404159][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.404159][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.404159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.404159][ T10] [ 3722.405817][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3722.406084][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3722.406084][ T10] netdev_get_by_index+0x5e/0x80 [ 3722.406084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3722.406084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3722.406084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3722.406084][ T10] ipv6_add_addr+0x411/0x2000 [ 3722.406084][ T10] inet6_addr_add+0x30e/0xa40 [ 3722.406084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.406084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.406084][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.406084][ T10] netlink_unicast+0x449/0x710 [ 3722.406084][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.406084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.406084][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.406084][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.406084][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.406084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.406084][ T10] [ 3722.408063][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3722.408063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3722.408063][ T10] ipv6_find_idev+0x102/0x170 [ 3722.408063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.408063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.408063][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.408063][ T10] netlink_unicast+0x449/0x710 [ 3722.408063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.408063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.408063][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.408063][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.408063][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.408063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.408063][ T10] [ 3722.409573][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3722.409573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3722.409573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3722.409573][ T10] ipv6_find_idev+0x102/0x170 [ 3722.409573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.409573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.409573][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.409573][ T10] netlink_unicast+0x449/0x710 [ 3722.409573][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.409573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.409573][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.409573][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.409573][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.409573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.409573][ T10] [ 3722.411273][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3722.411540][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3722.411540][ T10] netdev_get_by_index+0x5e/0x80 [ 3722.411540][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3722.411540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3722.411540][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3722.411540][ T10] ipv6_add_addr+0x411/0x2000 [ 3722.411540][ T10] inet6_addr_add+0x30e/0xa40 [ 3722.411540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.411540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.411540][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.411540][ T10] netlink_unicast+0x449/0x710 [ 3722.411540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.411540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.411540][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.411540][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.411540][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.411540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.411540][ T10] [ 3722.413498][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3722.413498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3722.413498][ T10] ipv6_find_idev+0x102/0x170 [ 3722.413498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.413498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.413498][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.413498][ T10] netlink_unicast+0x449/0x710 [ 3722.413498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.413498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.413498][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.413498][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.413498][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.413498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.413498][ T10] [ 3722.415003][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3722.415003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3722.415003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3722.415003][ T10] ipv6_find_idev+0x102/0x170 [ 3722.415003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.415003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.415003][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.415003][ T10] netlink_unicast+0x449/0x710 [ 3722.415003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.415003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.415003][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.415003][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.415003][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.415003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.415003][ T10] [ 3722.416647][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3722.416914][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3722.416914][ T10] netdev_get_by_index+0x5e/0x80 [ 3722.416914][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3722.416914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3722.416914][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3722.416914][ T10] ipv6_add_addr+0x411/0x2000 [ 3722.416914][ T10] inet6_addr_add+0x30e/0xa40 [ 3722.416914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.416914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.416914][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.416914][ T10] netlink_unicast+0x449/0x710 [ 3722.416914][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.416914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.416914][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.416914][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.416914][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.416914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.416914][ T10] [ 3722.418873][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3722.418873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3722.418873][ T10] ipv6_find_idev+0x102/0x170 [ 3722.418873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.418873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.418873][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.418873][ T10] netlink_unicast+0x449/0x710 [ 3722.418873][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.418873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.418873][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.418873][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.418873][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.418873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.418873][ T10] [ 3722.420379][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3722.420379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3722.420379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3722.420379][ T10] ipv6_find_idev+0x102/0x170 [ 3722.420379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.420379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.420379][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.420379][ T10] netlink_unicast+0x449/0x710 [ 3722.420379][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.420379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.420379][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.420379][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.420379][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.420379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.420379][ T10] [ 3722.422453][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3722.422716][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3722.422716][ T10] netdev_get_by_index+0x5e/0x80 [ 3722.422716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3722.422716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3722.422716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3722.422716][ T10] ipv6_add_addr+0x411/0x2000 [ 3722.422716][ T10] inet6_addr_add+0x30e/0xa40 [ 3722.422716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.422716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.422716][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.422716][ T10] netlink_unicast+0x449/0x710 [ 3722.422716][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.422716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.422716][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.422716][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.422716][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.422716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.422716][ T10] [ 3722.424675][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3722.424675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3722.424675][ T10] ipv6_find_idev+0x102/0x170 [ 3722.424675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.424675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.424675][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.424675][ T10] netlink_unicast+0x449/0x710 [ 3722.424675][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.424675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.424675][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.424675][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.424675][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.424675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.424675][ T10] [ 3722.426190][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3722.426190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3722.426190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3722.426190][ T10] ipv6_find_idev+0x102/0x170 [ 3722.426190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.426190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.426190][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.426190][ T10] netlink_unicast+0x449/0x710 [ 3722.426190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.426190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.426190][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.426190][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.426190][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.426190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.426190][ T10] [ 3722.427886][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3722.428205][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3722.428205][ T10] netdev_get_by_index+0x5e/0x80 [ 3722.428205][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3722.428205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3722.428205][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3722.428205][ T10] ipv6_add_addr+0x411/0x2000 [ 3722.428205][ T10] inet6_addr_add+0x30e/0xa40 [ 3722.428205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.428205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.428205][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.428205][ T10] netlink_unicast+0x449/0x710 [ 3722.428205][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.428205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.428205][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.428205][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.428205][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.428205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.428205][ T10] [ 3722.430291][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3722.430291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3722.430291][ T10] ipv6_find_idev+0x102/0x170 [ 3722.430291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.430291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.430291][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.430291][ T10] netlink_unicast+0x449/0x710 [ 3722.430291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.430291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.430291][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.430291][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.430291][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.430291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.430291][ T10] [ 3722.432042][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3722.432042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3722.432042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3722.432042][ T10] ipv6_find_idev+0x102/0x170 [ 3722.432042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.432042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.432042][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.432042][ T10] netlink_unicast+0x449/0x710 [ 3722.432042][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.432042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.432042][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.432042][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.432042][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.432042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.432042][ T10] [ 3722.433913][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3722.434227][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3722.434227][ T10] netdev_get_by_index+0x5e/0x80 [ 3722.434227][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3722.434227][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3722.434227][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3722.434227][ T10] ipv6_add_addr+0x411/0x2000 [ 3722.434227][ T10] inet6_addr_add+0x30e/0xa40 [ 3722.434227][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.434227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.434227][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.434227][ T10] netlink_unicast+0x449/0x710 [ 3722.434227][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.434227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.434227][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.434227][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.434227][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.434227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.434227][ T10] [ 3722.436369][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3722.436369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3722.436369][ T10] ipv6_find_idev+0x102/0x170 [ 3722.436369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.436369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.436369][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.436369][ T10] netlink_unicast+0x449/0x710 [ 3722.436369][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.436369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.436369][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.436369][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.436369][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.436369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.436369][ T10] [ 3722.438055][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3722.438055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3722.438055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3722.438055][ T10] ipv6_find_idev+0x102/0x170 [ 3722.438055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.438055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.438055][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.438055][ T10] netlink_unicast+0x449/0x710 [ 3722.438055][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.438055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.438055][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.438055][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.438055][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.438055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.438055][ T10] [ 3722.439967][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3722.440277][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3722.440277][ T10] netdev_get_by_index+0x5e/0x80 [ 3722.440277][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3722.440277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3722.440277][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3722.440277][ T10] ipv6_add_addr+0x411/0x2000 [ 3722.440277][ T10] inet6_addr_add+0x30e/0xa40 [ 3722.440277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3722.440277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.440277][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.440277][ T10] netlink_unicast+0x449/0x710 [ 3722.440277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.440277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.440277][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.440277][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.440277][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.440277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.440277][ T10] [ 3722.442467][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3722.442467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3722.442467][ T10] ipv6_find_idev+0x102/0x170 [ 3722.442467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.442467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.442467][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.442467][ T10] netlink_unicast+0x449/0x710 [ 3722.442467][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.442467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.442467][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.442467][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.442467][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.442467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.442467][ T10] [ 3722.444148][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3722.444148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3722.444148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3722.444148][ T10] ipv6_find_idev+0x102/0x170 [ 3722.444148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3722.444148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3722.444148][ T10] netlink_rcv_skb+0x130/0x360 [ 3722.444148][ T10] netlink_unicast+0x449/0x710 [ 3722.444148][ T10] netlink_sendmsg+0x723/0xbe0 [ 3722.444148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3722.444148][ T10] ___sys_sendmsg+0xee/0x170 [ 3722.444148][ T10] __sys_sendmsg+0xcd/0x170 [ 3722.444148][ T10] do_syscall_64+0xc6/0x1e0 [ 3722.444148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3722.444148][ T10] [ 3732.688218][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3732.688596][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3732.688596][ T10] netdev_get_by_index+0x5e/0x80 [ 3732.688596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3732.688596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3732.688596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3732.688596][ T10] ipv6_add_addr+0x411/0x2000 [ 3732.688596][ T10] inet6_addr_add+0x30e/0xa40 [ 3732.688596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.688596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.688596][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.688596][ T10] netlink_unicast+0x449/0x710 [ 3732.688596][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.688596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.688596][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.688596][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.688596][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.688596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.688596][ T10] [ 3732.690581][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3732.690581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3732.690581][ T10] ipv6_find_idev+0x102/0x170 [ 3732.690581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.690581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.690581][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.690581][ T10] netlink_unicast+0x449/0x710 [ 3732.690581][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.690581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.690581][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.690581][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.690581][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.690581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.690581][ T10] [ 3732.692475][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3732.692475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3732.692475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3732.692475][ T10] ipv6_find_idev+0x102/0x170 [ 3732.692475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.692475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.692475][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.692475][ T10] netlink_unicast+0x449/0x710 [ 3732.692475][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.692475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.692475][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.692475][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.692475][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.692475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.692475][ T10] [ 3732.694153][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3732.694413][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3732.694413][ T10] netdev_get_by_index+0x5e/0x80 [ 3732.694413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3732.694413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3732.694413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3732.694413][ T10] ipv6_add_addr+0x411/0x2000 [ 3732.694413][ T10] inet6_addr_add+0x30e/0xa40 [ 3732.694413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.694413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.694413][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.694413][ T10] netlink_unicast+0x449/0x710 [ 3732.694413][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.694413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.694413][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.694413][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.694413][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.694413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.694413][ T10] [ 3732.696381][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3732.696381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3732.696381][ T10] ipv6_find_idev+0x102/0x170 [ 3732.696381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.696381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.696381][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.696381][ T10] netlink_unicast+0x449/0x710 [ 3732.696381][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.696381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.696381][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.696381][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.696381][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.696381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.696381][ T10] [ 3732.697902][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3732.697902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3732.697902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3732.697902][ T10] ipv6_find_idev+0x102/0x170 [ 3732.697902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.697902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.697902][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.697902][ T10] netlink_unicast+0x449/0x710 [ 3732.697902][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.697902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.697902][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.697902][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.697902][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.697902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.697902][ T10] [ 3732.699556][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3732.699827][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3732.699827][ T10] netdev_get_by_index+0x5e/0x80 [ 3732.699827][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3732.699827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3732.699827][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3732.699827][ T10] ipv6_add_addr+0x411/0x2000 [ 3732.699827][ T10] inet6_addr_add+0x30e/0xa40 [ 3732.699827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.699827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.699827][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.699827][ T10] netlink_unicast+0x449/0x710 [ 3732.699827][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.699827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.699827][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.699827][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.699827][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.699827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.699827][ T10] [ 3732.701784][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3732.701784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3732.701784][ T10] ipv6_find_idev+0x102/0x170 [ 3732.701784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.701784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.701784][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.701784][ T10] netlink_unicast+0x449/0x710 [ 3732.701784][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.701784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.701784][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.701784][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.701784][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.701784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.701784][ T10] [ 3732.703300][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3732.703300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3732.703300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3732.703300][ T10] ipv6_find_idev+0x102/0x170 [ 3732.703300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.703300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.703300][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.703300][ T10] netlink_unicast+0x449/0x710 [ 3732.703300][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.703300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.703300][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.703300][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.703300][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.703300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.703300][ T10] [ 3732.704953][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3732.705648][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3732.705648][ T10] netdev_get_by_index+0x5e/0x80 [ 3732.705648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3732.705648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3732.705648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3732.705648][ T10] ipv6_add_addr+0x411/0x2000 [ 3732.705648][ T10] inet6_addr_add+0x30e/0xa40 [ 3732.705648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.705648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.705648][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.705648][ T10] netlink_unicast+0x449/0x710 [ 3732.705648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.705648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.705648][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.705648][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.705648][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.705648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.705648][ T10] [ 3732.707648][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3732.707648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3732.707648][ T10] ipv6_find_idev+0x102/0x170 [ 3732.707648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.707648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.707648][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.707648][ T10] netlink_unicast+0x449/0x710 [ 3732.707648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.707648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.707648][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.707648][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.707648][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.707648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.707648][ T10] [ 3732.709158][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3732.709158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3732.709158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3732.709158][ T10] ipv6_find_idev+0x102/0x170 [ 3732.709158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.709158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.709158][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.709158][ T10] netlink_unicast+0x449/0x710 [ 3732.709158][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.709158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.709158][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.709158][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.709158][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.709158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.709158][ T10] [ 3732.710880][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3732.711200][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3732.711200][ T10] netdev_get_by_index+0x5e/0x80 [ 3732.711200][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3732.711200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3732.711200][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3732.711200][ T10] ipv6_add_addr+0x411/0x2000 [ 3732.711200][ T10] inet6_addr_add+0x30e/0xa40 [ 3732.711200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.711200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.711200][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.711200][ T10] netlink_unicast+0x449/0x710 [ 3732.711200][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.711200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.711200][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.711200][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.711200][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.711200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.711200][ T10] [ 3732.713171][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3732.713171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3732.713171][ T10] ipv6_find_idev+0x102/0x170 [ 3732.713171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.713171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.713171][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.713171][ T10] netlink_unicast+0x449/0x710 [ 3732.713171][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.713171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.713171][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.713171][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.713171][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.713171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.713171][ T10] [ 3732.714680][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3732.714680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3732.714680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3732.714680][ T10] ipv6_find_idev+0x102/0x170 [ 3732.714680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.714680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.714680][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.714680][ T10] netlink_unicast+0x449/0x710 [ 3732.714680][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.714680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.714680][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.714680][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.714680][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.714680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.714680][ T10] [ 3732.716401][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3732.716671][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3732.716671][ T10] netdev_get_by_index+0x5e/0x80 [ 3732.716671][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3732.716671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3732.716671][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3732.716671][ T10] ipv6_add_addr+0x411/0x2000 [ 3732.716671][ T10] inet6_addr_add+0x30e/0xa40 [ 3732.716671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.716671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.716671][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.716671][ T10] netlink_unicast+0x449/0x710 [ 3732.716671][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.716671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.716671][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.716671][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.716671][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.716671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.716671][ T10] [ 3732.718734][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3732.718734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3732.718734][ T10] ipv6_find_idev+0x102/0x170 [ 3732.718734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.718734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.718734][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.718734][ T10] netlink_unicast+0x449/0x710 [ 3732.718734][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.718734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.718734][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.718734][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.718734][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.718734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.718734][ T10] [ 3732.720309][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3732.720309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3732.720309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3732.720309][ T10] ipv6_find_idev+0x102/0x170 [ 3732.720309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.720309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.720309][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.720309][ T10] netlink_unicast+0x449/0x710 [ 3732.720309][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.720309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.720309][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.720309][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.720309][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.720309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.720309][ T10] [ 3732.722189][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3732.722456][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3732.722456][ T10] netdev_get_by_index+0x5e/0x80 [ 3732.722456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3732.722456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3732.722456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3732.722456][ T10] ipv6_add_addr+0x411/0x2000 [ 3732.722456][ T10] inet6_addr_add+0x30e/0xa40 [ 3732.722456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.722456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.722456][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.722456][ T10] netlink_unicast+0x449/0x710 [ 3732.722456][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.722456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.722456][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.722456][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.722456][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.722456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.722456][ T10] [ 3732.724552][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3732.724552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3732.724552][ T10] ipv6_find_idev+0x102/0x170 [ 3732.724552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.724552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.724552][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.724552][ T10] netlink_unicast+0x449/0x710 [ 3732.724552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.724552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.724552][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.724552][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.724552][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.724552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.724552][ T10] [ 3732.726125][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3732.726125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3732.726125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3732.726125][ T10] ipv6_find_idev+0x102/0x170 [ 3732.726125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.726125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.726125][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.726125][ T10] netlink_unicast+0x449/0x710 [ 3732.726125][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.726125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.726125][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.726125][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.726125][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.726125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.726125][ T10] [ 3732.727941][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3732.728263][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3732.728263][ T10] netdev_get_by_index+0x5e/0x80 [ 3732.728263][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3732.728263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3732.728263][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3732.728263][ T10] ipv6_add_addr+0x411/0x2000 [ 3732.728263][ T10] inet6_addr_add+0x30e/0xa40 [ 3732.728263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3732.728263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.728263][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.728263][ T10] netlink_unicast+0x449/0x710 [ 3732.728263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.728263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.728263][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.728263][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.728263][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.728263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.728263][ T10] [ 3732.730351][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3732.730351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3732.730351][ T10] ipv6_find_idev+0x102/0x170 [ 3732.730351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.730351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.730351][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.730351][ T10] netlink_unicast+0x449/0x710 [ 3732.730351][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.730351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.730351][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.730351][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.730351][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.730351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.730351][ T10] [ 3732.731993][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3732.731993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3732.731993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3732.731993][ T10] ipv6_find_idev+0x102/0x170 [ 3732.731993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3732.731993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3732.731993][ T10] netlink_rcv_skb+0x130/0x360 [ 3732.731993][ T10] netlink_unicast+0x449/0x710 [ 3732.731993][ T10] netlink_sendmsg+0x723/0xbe0 [ 3732.731993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3732.731993][ T10] ___sys_sendmsg+0xee/0x170 [ 3732.731993][ T10] __sys_sendmsg+0xcd/0x170 [ 3732.731993][ T10] do_syscall_64+0xc6/0x1e0 [ 3732.731993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3732.731993][ T10] [ 3742.976232][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3742.976669][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3742.976669][ T10] netdev_get_by_index+0x5e/0x80 [ 3742.976669][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3742.976669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3742.976669][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3742.976669][ T10] ipv6_add_addr+0x411/0x2000 [ 3742.976669][ T10] inet6_addr_add+0x30e/0xa40 [ 3742.976669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3742.976669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3742.976669][ T10] netlink_rcv_skb+0x130/0x360 [ 3742.976669][ T10] netlink_unicast+0x449/0x710 [ 3742.976669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3742.976669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3742.976669][ T10] ___sys_sendmsg+0xee/0x170 [ 3742.976669][ T10] __sys_sendmsg+0xcd/0x170 [ 3742.976669][ T10] do_syscall_64+0xc6/0x1e0 [ 3742.976669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3742.976669][ T10] [ 3742.979311][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3742.979311][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3742.979311][ T10] ipv6_find_idev+0x102/0x170 [ 3742.979311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3742.979311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3742.979311][ T10] netlink_rcv_skb+0x130/0x360 [ 3742.979311][ T10] netlink_unicast+0x449/0x710 [ 3742.979311][ T10] netlink_sendmsg+0x723/0xbe0 [ 3742.979311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3742.979311][ T10] ___sys_sendmsg+0xee/0x170 [ 3742.979311][ T10] __sys_sendmsg+0xcd/0x170 [ 3742.979311][ T10] do_syscall_64+0xc6/0x1e0 [ 3742.979311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3742.979311][ T10] [ 3742.981911][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3742.981911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3742.981911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3742.981911][ T10] ipv6_find_idev+0x102/0x170 [ 3742.981911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3742.981911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3742.981911][ T10] netlink_rcv_skb+0x130/0x360 [ 3742.981911][ T10] netlink_unicast+0x449/0x710 [ 3742.981911][ T10] netlink_sendmsg+0x723/0xbe0 [ 3742.981911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3742.981911][ T10] ___sys_sendmsg+0xee/0x170 [ 3742.981911][ T10] __sys_sendmsg+0xcd/0x170 [ 3742.981911][ T10] do_syscall_64+0xc6/0x1e0 [ 3742.981911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3742.981911][ T10] [ 3742.984738][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3742.985181][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3742.985181][ T10] netdev_get_by_index+0x5e/0x80 [ 3742.985181][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3742.985181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3742.985181][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3742.985181][ T10] ipv6_add_addr+0x411/0x2000 [ 3742.985181][ T10] inet6_addr_add+0x30e/0xa40 [ 3742.985181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3742.985181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3742.985181][ T10] netlink_rcv_skb+0x130/0x360 [ 3742.985181][ T10] netlink_unicast+0x449/0x710 [ 3742.985181][ T10] netlink_sendmsg+0x723/0xbe0 [ 3742.985181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3742.985181][ T10] ___sys_sendmsg+0xee/0x170 [ 3742.985181][ T10] __sys_sendmsg+0xcd/0x170 [ 3742.985181][ T10] do_syscall_64+0xc6/0x1e0 [ 3742.985181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3742.985181][ T10] [ 3742.988807][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3742.988807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3742.988807][ T10] ipv6_find_idev+0x102/0x170 [ 3742.988807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3742.988807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3742.988807][ T10] netlink_rcv_skb+0x130/0x360 [ 3742.988807][ T10] netlink_unicast+0x449/0x710 [ 3742.988807][ T10] netlink_sendmsg+0x723/0xbe0 [ 3742.988807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3742.988807][ T10] ___sys_sendmsg+0xee/0x170 [ 3742.988807][ T10] __sys_sendmsg+0xcd/0x170 [ 3742.988807][ T10] do_syscall_64+0xc6/0x1e0 [ 3742.988807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3742.988807][ T10] [ 3742.991344][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3742.991344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3742.991344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3742.991344][ T10] ipv6_find_idev+0x102/0x170 [ 3742.991344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3742.991344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3742.991344][ T10] netlink_rcv_skb+0x130/0x360 [ 3742.991344][ T10] netlink_unicast+0x449/0x710 [ 3742.991344][ T10] netlink_sendmsg+0x723/0xbe0 [ 3742.991344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3742.991344][ T10] ___sys_sendmsg+0xee/0x170 [ 3742.991344][ T10] __sys_sendmsg+0xcd/0x170 [ 3742.991344][ T10] do_syscall_64+0xc6/0x1e0 [ 3742.991344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3742.991344][ T10] [ 3742.994239][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3742.994697][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3742.994697][ T10] netdev_get_by_index+0x5e/0x80 [ 3742.994697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3742.994697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3742.994697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3742.994697][ T10] ipv6_add_addr+0x411/0x2000 [ 3742.994697][ T10] inet6_addr_add+0x30e/0xa40 [ 3742.994697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3742.994697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3742.994697][ T10] netlink_rcv_skb+0x130/0x360 [ 3742.994697][ T10] netlink_unicast+0x449/0x710 [ 3742.994697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3742.994697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3742.994697][ T10] ___sys_sendmsg+0xee/0x170 [ 3742.994697][ T10] __sys_sendmsg+0xcd/0x170 [ 3742.994697][ T10] do_syscall_64+0xc6/0x1e0 [ 3742.994697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3742.994697][ T10] [ 3742.997976][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3742.997976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3742.997976][ T10] ipv6_find_idev+0x102/0x170 [ 3742.997976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3742.997976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3742.997976][ T10] netlink_rcv_skb+0x130/0x360 [ 3742.997976][ T10] netlink_unicast+0x449/0x710 [ 3742.997976][ T10] netlink_sendmsg+0x723/0xbe0 [ 3742.997976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3742.997976][ T10] ___sys_sendmsg+0xee/0x170 [ 3742.997976][ T10] __sys_sendmsg+0xcd/0x170 [ 3742.997976][ T10] do_syscall_64+0xc6/0x1e0 [ 3742.997976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3742.997976][ T10] [ 3743.000526][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3743.000526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3743.000526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3743.000526][ T10] ipv6_find_idev+0x102/0x170 [ 3743.000526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.000526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.000526][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.000526][ T10] netlink_unicast+0x449/0x710 [ 3743.000526][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.000526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.000526][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.000526][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.000526][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.000526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.000526][ T10] [ 3743.003275][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3743.003730][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3743.003730][ T10] netdev_get_by_index+0x5e/0x80 [ 3743.003730][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3743.003730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3743.003730][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3743.003730][ T10] ipv6_add_addr+0x411/0x2000 [ 3743.003730][ T10] inet6_addr_add+0x30e/0xa40 [ 3743.003730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.003730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.003730][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.003730][ T10] netlink_unicast+0x449/0x710 [ 3743.003730][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.003730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.003730][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.003730][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.003730][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.003730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.003730][ T10] [ 3743.006981][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3743.006981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3743.006981][ T10] ipv6_find_idev+0x102/0x170 [ 3743.006981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.006981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.006981][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.006981][ T10] netlink_unicast+0x449/0x710 [ 3743.006981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.006981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.006981][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.006981][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.006981][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.006981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.006981][ T10] [ 3743.009521][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3743.009521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3743.009521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3743.009521][ T10] ipv6_find_idev+0x102/0x170 [ 3743.009521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.009521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.009521][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.009521][ T10] netlink_unicast+0x449/0x710 [ 3743.009521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.009521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.009521][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.009521][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.009521][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.009521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.009521][ T10] [ 3743.013673][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3743.014131][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3743.014131][ T10] netdev_get_by_index+0x5e/0x80 [ 3743.014131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3743.014131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3743.014131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3743.014131][ T10] ipv6_add_addr+0x411/0x2000 [ 3743.014131][ T10] inet6_addr_add+0x30e/0xa40 [ 3743.014131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.014131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.014131][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.014131][ T10] netlink_unicast+0x449/0x710 [ 3743.014131][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.014131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.014131][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.014131][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.014131][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.014131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.014131][ T10] [ 3743.017386][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3743.017386][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3743.017386][ T10] ipv6_find_idev+0x102/0x170 [ 3743.017386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.017386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.017386][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.017386][ T10] netlink_unicast+0x449/0x710 [ 3743.017386][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.017386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.017386][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.017386][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.017386][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.017386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.017386][ T10] [ 3743.019866][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3743.019866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3743.019866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3743.019866][ T10] ipv6_find_idev+0x102/0x170 [ 3743.019866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.019866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.019866][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.019866][ T10] netlink_unicast+0x449/0x710 [ 3743.019866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.019866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.019866][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.019866][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.019866][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.019866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.019866][ T10] [ 3743.022679][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3743.023119][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3743.023119][ T10] netdev_get_by_index+0x5e/0x80 [ 3743.023119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3743.023119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3743.023119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3743.023119][ T10] ipv6_add_addr+0x411/0x2000 [ 3743.023119][ T10] inet6_addr_add+0x30e/0xa40 [ 3743.023119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.023119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.023119][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.023119][ T10] netlink_unicast+0x449/0x710 [ 3743.023119][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.023119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.023119][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.023119][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.023119][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.023119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.023119][ T10] [ 3743.026687][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3743.026687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3743.026687][ T10] ipv6_find_idev+0x102/0x170 [ 3743.026687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.026687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.026687][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.026687][ T10] netlink_unicast+0x449/0x710 [ 3743.026687][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.026687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.026687][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.026687][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.026687][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.026687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.026687][ T10] [ 3743.029442][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3743.029442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3743.029442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3743.029442][ T10] ipv6_find_idev+0x102/0x170 [ 3743.029442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.029442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.029442][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.029442][ T10] netlink_unicast+0x449/0x710 [ 3743.029442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.029442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.029442][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.029442][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.029442][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.029442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.029442][ T10] [ 3743.032787][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3743.033312][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3743.033312][ T10] netdev_get_by_index+0x5e/0x80 [ 3743.033312][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3743.033312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3743.033312][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3743.033312][ T10] ipv6_add_addr+0x411/0x2000 [ 3743.033312][ T10] inet6_addr_add+0x30e/0xa40 [ 3743.033312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.033312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.033312][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.033312][ T10] netlink_unicast+0x449/0x710 [ 3743.033312][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.033312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.033312][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.033312][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.033312][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.033312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.033312][ T10] [ 3743.036835][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3743.036835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3743.036835][ T10] ipv6_find_idev+0x102/0x170 [ 3743.036835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.036835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.036835][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.036835][ T10] netlink_unicast+0x449/0x710 [ 3743.036835][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.036835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.036835][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.036835][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.036835][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.036835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.036835][ T10] [ 3743.039639][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3743.039639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3743.039639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3743.039639][ T10] ipv6_find_idev+0x102/0x170 [ 3743.039639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.039639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.039639][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.039639][ T10] netlink_unicast+0x449/0x710 [ 3743.039639][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.039639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.039639][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.039639][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.039639][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.039639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.039639][ T10] [ 3743.042751][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3743.043319][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3743.043319][ T10] netdev_get_by_index+0x5e/0x80 [ 3743.043319][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3743.043319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3743.043319][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3743.043319][ T10] ipv6_add_addr+0x411/0x2000 [ 3743.043319][ T10] inet6_addr_add+0x30e/0xa40 [ 3743.043319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.043319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.043319][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.043319][ T10] netlink_unicast+0x449/0x710 [ 3743.043319][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.043319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.043319][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.043319][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.043319][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.043319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.043319][ T10] [ 3743.046854][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3743.046854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3743.046854][ T10] ipv6_find_idev+0x102/0x170 [ 3743.046854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.046854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.046854][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.046854][ T10] netlink_unicast+0x449/0x710 [ 3743.046854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.046854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.046854][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.046854][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.046854][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.046854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.046854][ T10] [ 3743.049740][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3743.049740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3743.049740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3743.049740][ T10] ipv6_find_idev+0x102/0x170 [ 3743.049740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.049740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.049740][ T10] netlink_rcv_skb+0x130/0x360 [ 3743.049740][ T10] netlink_unicast+0x449/0x710 [ 3743.049740][ T10] netlink_sendmsg+0x723/0xbe0 [ 3743.049740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3743.049740][ T10] ___sys_sendmsg+0xee/0x170 [ 3743.049740][ T10] __sys_sendmsg+0xcd/0x170 [ 3743.049740][ T10] do_syscall_64+0xc6/0x1e0 [ 3743.049740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.049740][ T10] [ 3753.072248][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3753.072707][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3753.072707][ T10] netdev_get_by_index+0x5e/0x80 [ 3753.072707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3753.072707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3753.072707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3753.072707][ T10] ipv6_add_addr+0x411/0x2000 [ 3753.072707][ T10] inet6_addr_add+0x30e/0xa40 [ 3753.072707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.072707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.072707][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.072707][ T10] netlink_unicast+0x449/0x710 [ 3753.072707][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.072707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.072707][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.072707][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.072707][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.072707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.072707][ T10] [ 3753.074715][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3753.074715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3753.074715][ T10] ipv6_find_idev+0x102/0x170 [ 3753.074715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.074715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.074715][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.074715][ T10] netlink_unicast+0x449/0x710 [ 3753.074715][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.074715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.074715][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.074715][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.074715][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.074715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.074715][ T10] [ 3753.076266][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3753.076266][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3753.076266][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3753.076266][ T10] ipv6_find_idev+0x102/0x170 [ 3753.076266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.076266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.076266][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.076266][ T10] netlink_unicast+0x449/0x710 [ 3753.076266][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.076266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.076266][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.076266][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.076266][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.076266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.076266][ T10] [ 3753.077974][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3753.078254][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3753.078254][ T10] netdev_get_by_index+0x5e/0x80 [ 3753.078254][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3753.078254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3753.078254][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3753.078254][ T10] ipv6_add_addr+0x411/0x2000 [ 3753.078254][ T10] inet6_addr_add+0x30e/0xa40 [ 3753.078254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.078254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.078254][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.078254][ T10] netlink_unicast+0x449/0x710 [ 3753.078254][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.078254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.078254][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.078254][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.078254][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.078254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.078254][ T10] [ 3753.080263][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3753.080263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3753.080263][ T10] ipv6_find_idev+0x102/0x170 [ 3753.080263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.080263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.080263][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.080263][ T10] netlink_unicast+0x449/0x710 [ 3753.080263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.080263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.080263][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.080263][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.080263][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.080263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.080263][ T10] [ 3753.081805][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3753.081805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3753.081805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3753.081805][ T10] ipv6_find_idev+0x102/0x170 [ 3753.081805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.081805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.081805][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.081805][ T10] netlink_unicast+0x449/0x710 [ 3753.081805][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.081805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.081805][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.081805][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.081805][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.081805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.081805][ T10] [ 3753.083494][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3753.083758][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3753.083758][ T10] netdev_get_by_index+0x5e/0x80 [ 3753.083758][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3753.083758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3753.083758][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3753.083758][ T10] ipv6_add_addr+0x411/0x2000 [ 3753.083758][ T10] inet6_addr_add+0x30e/0xa40 [ 3753.083758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.083758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.083758][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.083758][ T10] netlink_unicast+0x449/0x710 [ 3753.083758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.083758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.083758][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.083758][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.083758][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.083758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.083758][ T10] [ 3753.085749][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3753.085749][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3753.085749][ T10] ipv6_find_idev+0x102/0x170 [ 3753.085749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.085749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.085749][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.085749][ T10] netlink_unicast+0x449/0x710 [ 3753.085749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.085749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.085749][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.085749][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.085749][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.085749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.085749][ T10] [ 3753.087300][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3753.087300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3753.087300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3753.087300][ T10] ipv6_find_idev+0x102/0x170 [ 3753.087300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.087300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.087300][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.087300][ T10] netlink_unicast+0x449/0x710 [ 3753.087300][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.087300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.087300][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.087300][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.087300][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.087300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.087300][ T10] [ 3753.088979][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3753.089685][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3753.089685][ T10] netdev_get_by_index+0x5e/0x80 [ 3753.089685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3753.089685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3753.089685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3753.089685][ T10] ipv6_add_addr+0x411/0x2000 [ 3753.089685][ T10] inet6_addr_add+0x30e/0xa40 [ 3753.089685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.089685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.089685][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.089685][ T10] netlink_unicast+0x449/0x710 [ 3753.089685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.089685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.089685][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.089685][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.089685][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.089685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.089685][ T10] [ 3753.091683][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3753.091683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3753.091683][ T10] ipv6_find_idev+0x102/0x170 [ 3753.091683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.091683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.091683][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.091683][ T10] netlink_unicast+0x449/0x710 [ 3753.091683][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.091683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.091683][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.091683][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.091683][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.091683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.091683][ T10] [ 3753.093217][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3753.093217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3753.093217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3753.093217][ T10] ipv6_find_idev+0x102/0x170 [ 3753.093217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.093217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.093217][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.093217][ T10] netlink_unicast+0x449/0x710 [ 3753.093217][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.093217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.093217][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.093217][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.093217][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.093217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.093217][ T10] [ 3753.094938][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3753.095261][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3753.095261][ T10] netdev_get_by_index+0x5e/0x80 [ 3753.095261][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3753.095261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3753.095261][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3753.095261][ T10] ipv6_add_addr+0x411/0x2000 [ 3753.095261][ T10] inet6_addr_add+0x30e/0xa40 [ 3753.095261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.095261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.095261][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.095261][ T10] netlink_unicast+0x449/0x710 [ 3753.095261][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.095261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.095261][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.095261][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.095261][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.095261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.095261][ T10] [ 3753.097253][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3753.097253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3753.097253][ T10] ipv6_find_idev+0x102/0x170 [ 3753.097253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.097253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.097253][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.097253][ T10] netlink_unicast+0x449/0x710 [ 3753.097253][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.097253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.097253][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.097253][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.097253][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.097253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.097253][ T10] [ 3753.098810][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3753.098810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3753.098810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3753.098810][ T10] ipv6_find_idev+0x102/0x170 [ 3753.098810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.098810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.098810][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.098810][ T10] netlink_unicast+0x449/0x710 [ 3753.098810][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.098810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.098810][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.098810][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.098810][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.098810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.098810][ T10] [ 3753.100527][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3753.100849][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3753.100849][ T10] netdev_get_by_index+0x5e/0x80 [ 3753.100849][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3753.100849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3753.100849][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3753.100849][ T10] ipv6_add_addr+0x411/0x2000 [ 3753.100849][ T10] inet6_addr_add+0x30e/0xa40 [ 3753.100849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.100849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.100849][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.100849][ T10] netlink_unicast+0x449/0x710 [ 3753.100849][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.100849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.100849][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.100849][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.100849][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.100849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.100849][ T10] [ 3753.102901][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3753.102901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3753.102901][ T10] ipv6_find_idev+0x102/0x170 [ 3753.102901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.102901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.102901][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.102901][ T10] netlink_unicast+0x449/0x710 [ 3753.102901][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.102901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.102901][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.102901][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.102901][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.102901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.102901][ T10] [ 3753.104608][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3753.104608][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3753.104608][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3753.104608][ T10] ipv6_find_idev+0x102/0x170 [ 3753.104608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.104608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.104608][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.104608][ T10] netlink_unicast+0x449/0x710 [ 3753.104608][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.104608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.104608][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.104608][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.104608][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.104608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.104608][ T10] [ 3753.106614][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3753.106921][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3753.106921][ T10] netdev_get_by_index+0x5e/0x80 [ 3753.106921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3753.106921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3753.106921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3753.106921][ T10] ipv6_add_addr+0x411/0x2000 [ 3753.106921][ T10] inet6_addr_add+0x30e/0xa40 [ 3753.106921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.106921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.106921][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.106921][ T10] netlink_unicast+0x449/0x710 [ 3753.106921][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.106921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.106921][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.106921][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.106921][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.106921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.106921][ T10] [ 3753.109162][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3753.109162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3753.109162][ T10] ipv6_find_idev+0x102/0x170 [ 3753.109162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.109162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.109162][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.109162][ T10] netlink_unicast+0x449/0x710 [ 3753.109162][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.109162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.109162][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.109162][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.109162][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.109162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.109162][ T10] [ 3753.110874][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3753.110874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3753.110874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3753.110874][ T10] ipv6_find_idev+0x102/0x170 [ 3753.110874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.110874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.110874][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.110874][ T10] netlink_unicast+0x449/0x710 [ 3753.110874][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.110874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.110874][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.110874][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.110874][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.110874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.110874][ T10] [ 3753.112771][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3753.113083][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3753.113083][ T10] netdev_get_by_index+0x5e/0x80 [ 3753.113083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3753.113083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3753.113083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3753.113083][ T10] ipv6_add_addr+0x411/0x2000 [ 3753.113083][ T10] inet6_addr_add+0x30e/0xa40 [ 3753.113083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.113083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.113083][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.113083][ T10] netlink_unicast+0x449/0x710 [ 3753.113083][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.113083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.113083][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.113083][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.113083][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.113083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.113083][ T10] [ 3753.115248][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3753.115248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3753.115248][ T10] ipv6_find_idev+0x102/0x170 [ 3753.115248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.115248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.115248][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.115248][ T10] netlink_unicast+0x449/0x710 [ 3753.115248][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.115248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.115248][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.115248][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.115248][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.115248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.115248][ T10] [ 3753.116956][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3753.116956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3753.116956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3753.116956][ T10] ipv6_find_idev+0x102/0x170 [ 3753.116956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.116956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.116956][ T10] netlink_rcv_skb+0x130/0x360 [ 3753.116956][ T10] netlink_unicast+0x449/0x710 [ 3753.116956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3753.116956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3753.116956][ T10] ___sys_sendmsg+0xee/0x170 [ 3753.116956][ T10] __sys_sendmsg+0xcd/0x170 [ 3753.116956][ T10] do_syscall_64+0xc6/0x1e0 [ 3753.116956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.116956][ T10] [ 3763.176237][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3763.176678][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3763.176678][ T10] netdev_get_by_index+0x5e/0x80 [ 3763.176678][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3763.176678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3763.176678][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3763.176678][ T10] ipv6_add_addr+0x411/0x2000 [ 3763.176678][ T10] inet6_addr_add+0x30e/0xa40 [ 3763.176678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.176678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.176678][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.176678][ T10] netlink_unicast+0x449/0x710 [ 3763.176678][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.176678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.176678][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.176678][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.176678][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.176678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.176678][ T10] [ 3763.178673][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3763.178673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3763.178673][ T10] ipv6_find_idev+0x102/0x170 [ 3763.178673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.178673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.178673][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.178673][ T10] netlink_unicast+0x449/0x710 [ 3763.178673][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.178673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.178673][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.178673][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.178673][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.178673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.178673][ T10] [ 3763.180196][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3763.180196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3763.180196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3763.180196][ T10] ipv6_find_idev+0x102/0x170 [ 3763.180196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.180196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.180196][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.180196][ T10] netlink_unicast+0x449/0x710 [ 3763.180196][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.180196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.180196][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.180196][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.180196][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.180196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.180196][ T10] [ 3763.181860][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3763.182138][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3763.182138][ T10] netdev_get_by_index+0x5e/0x80 [ 3763.182138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3763.182138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3763.182138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3763.182138][ T10] ipv6_add_addr+0x411/0x2000 [ 3763.182138][ T10] inet6_addr_add+0x30e/0xa40 [ 3763.182138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.182138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.182138][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.182138][ T10] netlink_unicast+0x449/0x710 [ 3763.182138][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.182138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.182138][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.182138][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.182138][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.182138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.182138][ T10] [ 3763.184112][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3763.184112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3763.184112][ T10] ipv6_find_idev+0x102/0x170 [ 3763.184112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.184112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.184112][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.184112][ T10] netlink_unicast+0x449/0x710 [ 3763.184112][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.184112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.184112][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.184112][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.184112][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.184112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.184112][ T10] [ 3763.185662][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3763.185662][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3763.185662][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3763.185662][ T10] ipv6_find_idev+0x102/0x170 [ 3763.185662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.185662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.185662][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.185662][ T10] netlink_unicast+0x449/0x710 [ 3763.185662][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.185662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.185662][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.185662][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.185662][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.185662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.185662][ T10] [ 3763.187332][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3763.187590][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3763.187590][ T10] netdev_get_by_index+0x5e/0x80 [ 3763.187590][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3763.187590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3763.187590][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3763.187590][ T10] ipv6_add_addr+0x411/0x2000 [ 3763.187590][ T10] inet6_addr_add+0x30e/0xa40 [ 3763.187590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.187590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.187590][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.187590][ T10] netlink_unicast+0x449/0x710 [ 3763.187590][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.187590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.187590][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.187590][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.187590][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.187590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.187590][ T10] [ 3763.189559][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3763.189559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3763.189559][ T10] ipv6_find_idev+0x102/0x170 [ 3763.189559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.189559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.189559][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.189559][ T10] netlink_unicast+0x449/0x710 [ 3763.189559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.189559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.189559][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.189559][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.189559][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.189559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.189559][ T10] [ 3763.191071][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3763.191071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3763.191071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3763.191071][ T10] ipv6_find_idev+0x102/0x170 [ 3763.191071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.191071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.191071][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.191071][ T10] netlink_unicast+0x449/0x710 [ 3763.191071][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.191071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.191071][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.191071][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.191071][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.191071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.191071][ T10] [ 3763.192723][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3763.192995][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3763.192995][ T10] netdev_get_by_index+0x5e/0x80 [ 3763.192995][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3763.192995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3763.192995][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3763.192995][ T10] ipv6_add_addr+0x411/0x2000 [ 3763.192995][ T10] inet6_addr_add+0x30e/0xa40 [ 3763.192995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.192995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.192995][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.192995][ T10] netlink_unicast+0x449/0x710 [ 3763.192995][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.192995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.192995][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.192995][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.192995][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.192995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.192995][ T10] [ 3763.194952][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3763.194952][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3763.194952][ T10] ipv6_find_idev+0x102/0x170 [ 3763.194952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.194952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.194952][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.194952][ T10] netlink_unicast+0x449/0x710 [ 3763.194952][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.194952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.194952][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.194952][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.194952][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.194952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.194952][ T10] [ 3763.196459][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3763.196459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3763.196459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3763.196459][ T10] ipv6_find_idev+0x102/0x170 [ 3763.196459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.196459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.196459][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.196459][ T10] netlink_unicast+0x449/0x710 [ 3763.196459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.196459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.196459][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.196459][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.196459][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.196459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.196459][ T10] [ 3763.198523][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3763.198786][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3763.198786][ T10] netdev_get_by_index+0x5e/0x80 [ 3763.198786][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3763.198786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3763.198786][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3763.198786][ T10] ipv6_add_addr+0x411/0x2000 [ 3763.198786][ T10] inet6_addr_add+0x30e/0xa40 [ 3763.198786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.198786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.198786][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.198786][ T10] netlink_unicast+0x449/0x710 [ 3763.198786][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.198786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.198786][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.198786][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.198786][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.198786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.198786][ T10] [ 3763.200744][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3763.200744][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3763.200744][ T10] ipv6_find_idev+0x102/0x170 [ 3763.200744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.200744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.200744][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.200744][ T10] netlink_unicast+0x449/0x710 [ 3763.200744][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.200744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.200744][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.200744][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.200744][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.200744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.200744][ T10] [ 3763.202250][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3763.202250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3763.202250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3763.202250][ T10] ipv6_find_idev+0x102/0x170 [ 3763.202250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.202250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.202250][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.202250][ T10] netlink_unicast+0x449/0x710 [ 3763.202250][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.202250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.202250][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.202250][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.202250][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.202250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.202250][ T10] [ 3763.203947][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3763.204271][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3763.204271][ T10] netdev_get_by_index+0x5e/0x80 [ 3763.204271][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3763.204271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3763.204271][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3763.204271][ T10] ipv6_add_addr+0x411/0x2000 [ 3763.204271][ T10] inet6_addr_add+0x30e/0xa40 [ 3763.204271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.204271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.204271][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.204271][ T10] netlink_unicast+0x449/0x710 [ 3763.204271][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.204271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.204271][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.204271][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.204271][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.204271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.204271][ T10] [ 3763.206361][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3763.206361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3763.206361][ T10] ipv6_find_idev+0x102/0x170 [ 3763.206361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.206361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.206361][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.206361][ T10] netlink_unicast+0x449/0x710 [ 3763.206361][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.206361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.206361][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.206361][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.206361][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.206361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.206361][ T10] [ 3763.208120][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3763.208120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3763.208120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3763.208120][ T10] ipv6_find_idev+0x102/0x170 [ 3763.208120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.208120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.208120][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.208120][ T10] netlink_unicast+0x449/0x710 [ 3763.208120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.208120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.208120][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.208120][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.208120][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.208120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.208120][ T10] [ 3763.210003][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3763.210317][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3763.210317][ T10] netdev_get_by_index+0x5e/0x80 [ 3763.210317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3763.210317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3763.210317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3763.210317][ T10] ipv6_add_addr+0x411/0x2000 [ 3763.210317][ T10] inet6_addr_add+0x30e/0xa40 [ 3763.210317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.210317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.210317][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.210317][ T10] netlink_unicast+0x449/0x710 [ 3763.210317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.210317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.210317][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.210317][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.210317][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.210317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.210317][ T10] [ 3763.212396][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3763.212396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3763.212396][ T10] ipv6_find_idev+0x102/0x170 [ 3763.212396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.212396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.212396][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.212396][ T10] netlink_unicast+0x449/0x710 [ 3763.212396][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.212396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.212396][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.212396][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.212396][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.212396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.212396][ T10] [ 3763.214096][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3763.214096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3763.214096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3763.214096][ T10] ipv6_find_idev+0x102/0x170 [ 3763.214096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.214096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.214096][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.214096][ T10] netlink_unicast+0x449/0x710 [ 3763.214096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.214096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.214096][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.214096][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.214096][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.214096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.214096][ T10] [ 3763.216028][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3763.216339][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3763.216339][ T10] netdev_get_by_index+0x5e/0x80 [ 3763.216339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3763.216339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3763.216339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3763.216339][ T10] ipv6_add_addr+0x411/0x2000 [ 3763.216339][ T10] inet6_addr_add+0x30e/0xa40 [ 3763.216339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3763.216339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.216339][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.216339][ T10] netlink_unicast+0x449/0x710 [ 3763.216339][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.216339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.216339][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.216339][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.216339][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.216339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.216339][ T10] [ 3763.218564][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3763.218564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3763.218564][ T10] ipv6_find_idev+0x102/0x170 [ 3763.218564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.218564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.218564][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.218564][ T10] netlink_unicast+0x449/0x710 [ 3763.218564][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.218564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.218564][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.218564][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.218564][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.218564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.218564][ T10] [ 3763.220252][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3763.220252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3763.220252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3763.220252][ T10] ipv6_find_idev+0x102/0x170 [ 3763.220252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3763.220252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3763.220252][ T10] netlink_rcv_skb+0x130/0x360 [ 3763.220252][ T10] netlink_unicast+0x449/0x710 [ 3763.220252][ T10] netlink_sendmsg+0x723/0xbe0 [ 3763.220252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3763.220252][ T10] ___sys_sendmsg+0xee/0x170 [ 3763.220252][ T10] __sys_sendmsg+0xcd/0x170 [ 3763.220252][ T10] do_syscall_64+0xc6/0x1e0 [ 3763.220252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3763.220252][ T10] [ 3773.464213][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3773.464648][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3773.464648][ T10] netdev_get_by_index+0x5e/0x80 [ 3773.464648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3773.464648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3773.464648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3773.464648][ T10] ipv6_add_addr+0x411/0x2000 [ 3773.464648][ T10] inet6_addr_add+0x30e/0xa40 [ 3773.464648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.464648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.464648][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.464648][ T10] netlink_unicast+0x449/0x710 [ 3773.464648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.464648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.464648][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.464648][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.464648][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.464648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.464648][ T10] [ 3773.466629][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3773.466629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3773.466629][ T10] ipv6_find_idev+0x102/0x170 [ 3773.466629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.466629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.466629][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.466629][ T10] netlink_unicast+0x449/0x710 [ 3773.466629][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.466629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.466629][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.466629][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.466629][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.466629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.466629][ T10] [ 3773.468165][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3773.468165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3773.468165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3773.468165][ T10] ipv6_find_idev+0x102/0x170 [ 3773.468165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.468165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.468165][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.468165][ T10] netlink_unicast+0x449/0x710 [ 3773.468165][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.468165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.468165][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.468165][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.468165][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.468165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.468165][ T10] [ 3773.469825][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3773.470087][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3773.470087][ T10] netdev_get_by_index+0x5e/0x80 [ 3773.470087][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3773.470087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3773.470087][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3773.470087][ T10] ipv6_add_addr+0x411/0x2000 [ 3773.470087][ T10] inet6_addr_add+0x30e/0xa40 [ 3773.470087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.470087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.470087][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.470087][ T10] netlink_unicast+0x449/0x710 [ 3773.470087][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.470087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.470087][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.470087][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.470087][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.470087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.470087][ T10] [ 3773.472043][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3773.472043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3773.472043][ T10] ipv6_find_idev+0x102/0x170 [ 3773.472043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.472043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.472043][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.472043][ T10] netlink_unicast+0x449/0x710 [ 3773.472043][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.472043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.472043][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.472043][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.472043][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.472043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.472043][ T10] [ 3773.473549][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3773.473549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3773.473549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3773.473549][ T10] ipv6_find_idev+0x102/0x170 [ 3773.473549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.473549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.473549][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.473549][ T10] netlink_unicast+0x449/0x710 [ 3773.473549][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.473549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.473549][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.473549][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.473549][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.473549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.473549][ T10] [ 3773.475214][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3773.475474][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3773.475474][ T10] netdev_get_by_index+0x5e/0x80 [ 3773.475474][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3773.475474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3773.475474][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3773.475474][ T10] ipv6_add_addr+0x411/0x2000 [ 3773.475474][ T10] inet6_addr_add+0x30e/0xa40 [ 3773.475474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.475474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.475474][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.475474][ T10] netlink_unicast+0x449/0x710 [ 3773.475474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.475474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.475474][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.475474][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.475474][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.475474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.475474][ T10] [ 3773.477450][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3773.477450][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3773.477450][ T10] ipv6_find_idev+0x102/0x170 [ 3773.477450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.477450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.477450][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.477450][ T10] netlink_unicast+0x449/0x710 [ 3773.477450][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.477450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.477450][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.477450][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.477450][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.477450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.477450][ T10] [ 3773.478959][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3773.478959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3773.478959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3773.478959][ T10] ipv6_find_idev+0x102/0x170 [ 3773.478959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.478959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.478959][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.478959][ T10] netlink_unicast+0x449/0x710 [ 3773.478959][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.478959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.478959][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.478959][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.478959][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.478959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.478959][ T10] [ 3773.480604][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3773.480874][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3773.480874][ T10] netdev_get_by_index+0x5e/0x80 [ 3773.480874][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3773.480874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3773.480874][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3773.480874][ T10] ipv6_add_addr+0x411/0x2000 [ 3773.480874][ T10] inet6_addr_add+0x30e/0xa40 [ 3773.480874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.480874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.480874][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.480874][ T10] netlink_unicast+0x449/0x710 [ 3773.480874][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.480874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.480874][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.480874][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.480874][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.480874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.480874][ T10] [ 3773.482830][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3773.482830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3773.482830][ T10] ipv6_find_idev+0x102/0x170 [ 3773.482830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.482830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.482830][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.482830][ T10] netlink_unicast+0x449/0x710 [ 3773.482830][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.482830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.482830][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.482830][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.482830][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.482830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.482830][ T10] [ 3773.484340][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3773.484340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3773.484340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3773.484340][ T10] ipv6_find_idev+0x102/0x170 [ 3773.484340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.484340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.484340][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.484340][ T10] netlink_unicast+0x449/0x710 [ 3773.484340][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.484340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.484340][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.484340][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.484340][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.484340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.484340][ T10] [ 3773.486397][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3773.486656][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3773.486656][ T10] netdev_get_by_index+0x5e/0x80 [ 3773.486656][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3773.486656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3773.486656][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3773.486656][ T10] ipv6_add_addr+0x411/0x2000 [ 3773.486656][ T10] inet6_addr_add+0x30e/0xa40 [ 3773.486656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.486656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.486656][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.486656][ T10] netlink_unicast+0x449/0x710 [ 3773.486656][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.486656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.486656][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.486656][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.486656][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.486656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.486656][ T10] [ 3773.488627][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3773.488627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3773.488627][ T10] ipv6_find_idev+0x102/0x170 [ 3773.488627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.488627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.488627][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.488627][ T10] netlink_unicast+0x449/0x710 [ 3773.488627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.488627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.488627][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.488627][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.488627][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.488627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.488627][ T10] [ 3773.490150][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3773.490150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3773.490150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3773.490150][ T10] ipv6_find_idev+0x102/0x170 [ 3773.490150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.490150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.490150][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.490150][ T10] netlink_unicast+0x449/0x710 [ 3773.490150][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.490150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.490150][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.490150][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.490150][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.490150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.490150][ T10] [ 3773.491838][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3773.492104][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3773.492104][ T10] netdev_get_by_index+0x5e/0x80 [ 3773.492104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3773.492104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3773.492104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3773.492104][ T10] ipv6_add_addr+0x411/0x2000 [ 3773.492104][ T10] inet6_addr_add+0x30e/0xa40 [ 3773.492104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.492104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.492104][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.492104][ T10] netlink_unicast+0x449/0x710 [ 3773.492104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.492104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.492104][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.492104][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.492104][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.492104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.492104][ T10] [ 3773.494179][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3773.494179][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3773.494179][ T10] ipv6_find_idev+0x102/0x170 [ 3773.494179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.494179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.494179][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.494179][ T10] netlink_unicast+0x449/0x710 [ 3773.494179][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.494179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.494179][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.494179][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.494179][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.494179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.494179][ T10] [ 3773.495919][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3773.495919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3773.495919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3773.495919][ T10] ipv6_find_idev+0x102/0x170 [ 3773.495919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.495919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.495919][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.495919][ T10] netlink_unicast+0x449/0x710 [ 3773.495919][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.495919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.495919][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.495919][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.495919][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.495919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.495919][ T10] [ 3773.497803][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3773.498080][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3773.498080][ T10] netdev_get_by_index+0x5e/0x80 [ 3773.498080][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3773.498080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3773.498080][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3773.498080][ T10] ipv6_add_addr+0x411/0x2000 [ 3773.498080][ T10] inet6_addr_add+0x30e/0xa40 [ 3773.498080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.498080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.498080][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.498080][ T10] netlink_unicast+0x449/0x710 [ 3773.498080][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.498080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.498080][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.498080][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.498080][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.498080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.498080][ T10] [ 3773.500300][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3773.500300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3773.500300][ T10] ipv6_find_idev+0x102/0x170 [ 3773.500300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.500300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.500300][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.500300][ T10] netlink_unicast+0x449/0x710 [ 3773.500300][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.500300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.500300][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.500300][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.500300][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.500300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.500300][ T10] [ 3773.501999][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3773.501999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3773.501999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3773.501999][ T10] ipv6_find_idev+0x102/0x170 [ 3773.501999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.501999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.501999][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.501999][ T10] netlink_unicast+0x449/0x710 [ 3773.501999][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.501999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.501999][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.501999][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.501999][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.501999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.501999][ T10] [ 3773.503873][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3773.504133][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3773.504133][ T10] netdev_get_by_index+0x5e/0x80 [ 3773.504133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3773.504133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3773.504133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3773.504133][ T10] ipv6_add_addr+0x411/0x2000 [ 3773.504133][ T10] inet6_addr_add+0x30e/0xa40 [ 3773.504133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3773.504133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.504133][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.504133][ T10] netlink_unicast+0x449/0x710 [ 3773.504133][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.504133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.504133][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.504133][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.504133][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.504133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.504133][ T10] [ 3773.506326][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3773.506326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3773.506326][ T10] ipv6_find_idev+0x102/0x170 [ 3773.506326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.506326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.506326][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.506326][ T10] netlink_unicast+0x449/0x710 [ 3773.506326][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.506326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.506326][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.506326][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.506326][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.506326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.506326][ T10] [ 3773.508012][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3773.508012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3773.508012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3773.508012][ T10] ipv6_find_idev+0x102/0x170 [ 3773.508012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3773.508012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3773.508012][ T10] netlink_rcv_skb+0x130/0x360 [ 3773.508012][ T10] netlink_unicast+0x449/0x710 [ 3773.508012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3773.508012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3773.508012][ T10] ___sys_sendmsg+0xee/0x170 [ 3773.508012][ T10] __sys_sendmsg+0xcd/0x170 [ 3773.508012][ T10] do_syscall_64+0xc6/0x1e0 [ 3773.508012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3773.508012][ T10] [ 3783.752256][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3783.752715][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3783.752715][ T10] netdev_get_by_index+0x5e/0x80 [ 3783.752715][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3783.752715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3783.752715][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3783.752715][ T10] ipv6_add_addr+0x411/0x2000 [ 3783.752715][ T10] inet6_addr_add+0x30e/0xa40 [ 3783.752715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3783.752715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.752715][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.752715][ T10] netlink_unicast+0x449/0x710 [ 3783.752715][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.752715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.752715][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.752715][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.752715][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.752715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.752715][ T10] [ 3783.754736][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3783.754736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3783.754736][ T10] ipv6_find_idev+0x102/0x170 [ 3783.754736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.754736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.754736][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.754736][ T10] netlink_unicast+0x449/0x710 [ 3783.754736][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.754736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.754736][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.754736][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.754736][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.754736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.754736][ T10] [ 3783.756286][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3783.756286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3783.756286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3783.756286][ T10] ipv6_find_idev+0x102/0x170 [ 3783.756286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.756286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.756286][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.756286][ T10] netlink_unicast+0x449/0x710 [ 3783.756286][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.756286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.756286][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.756286][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.756286][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.756286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.756286][ T10] [ 3783.758022][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3783.758306][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3783.758306][ T10] netdev_get_by_index+0x5e/0x80 [ 3783.758306][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3783.758306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3783.758306][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3783.758306][ T10] ipv6_add_addr+0x411/0x2000 [ 3783.758306][ T10] inet6_addr_add+0x30e/0xa40 [ 3783.758306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3783.758306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.758306][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.758306][ T10] netlink_unicast+0x449/0x710 [ 3783.758306][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.758306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.758306][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.758306][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.758306][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.758306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.758306][ T10] [ 3783.760308][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3783.760308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3783.760308][ T10] ipv6_find_idev+0x102/0x170 [ 3783.760308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.760308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.760308][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.760308][ T10] netlink_unicast+0x449/0x710 [ 3783.760308][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.760308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.760308][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.760308][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.760308][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.760308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.760308][ T10] [ 3783.761851][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3783.761851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3783.761851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3783.761851][ T10] ipv6_find_idev+0x102/0x170 [ 3783.761851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.761851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.761851][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.761851][ T10] netlink_unicast+0x449/0x710 [ 3783.761851][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.761851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.761851][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.761851][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.761851][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.761851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.761851][ T10] [ 3783.763543][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3783.763810][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3783.763810][ T10] netdev_get_by_index+0x5e/0x80 [ 3783.763810][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3783.763810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3783.763810][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3783.763810][ T10] ipv6_add_addr+0x411/0x2000 [ 3783.763810][ T10] inet6_addr_add+0x30e/0xa40 [ 3783.763810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3783.763810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.763810][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.763810][ T10] netlink_unicast+0x449/0x710 [ 3783.763810][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.763810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.763810][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.763810][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.763810][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.763810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.763810][ T10] [ 3783.765800][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3783.765800][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3783.765800][ T10] ipv6_find_idev+0x102/0x170 [ 3783.765800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.765800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.765800][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.765800][ T10] netlink_unicast+0x449/0x710 [ 3783.765800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.765800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.765800][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.765800][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.765800][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.765800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.765800][ T10] [ 3783.767326][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3783.767326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3783.767326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3783.767326][ T10] ipv6_find_idev+0x102/0x170 [ 3783.767326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.767326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.767326][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.767326][ T10] netlink_unicast+0x449/0x710 [ 3783.767326][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.767326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.767326][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.767326][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.767326][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.767326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.767326][ T10] [ 3783.769000][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3783.769701][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3783.769701][ T10] netdev_get_by_index+0x5e/0x80 [ 3783.769701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3783.769701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3783.769701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3783.769701][ T10] ipv6_add_addr+0x411/0x2000 [ 3783.769701][ T10] inet6_addr_add+0x30e/0xa40 [ 3783.769701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3783.769701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.769701][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.769701][ T10] netlink_unicast+0x449/0x710 [ 3783.769701][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.769701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.769701][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.769701][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.769701][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.769701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.769701][ T10] [ 3783.771685][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3783.771685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3783.771685][ T10] ipv6_find_idev+0x102/0x170 [ 3783.771685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.771685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.771685][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.771685][ T10] netlink_unicast+0x449/0x710 [ 3783.771685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.771685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.771685][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.771685][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.771685][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.771685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.771685][ T10] [ 3783.773222][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3783.773222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3783.773222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3783.773222][ T10] ipv6_find_idev+0x102/0x170 [ 3783.773222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.773222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.773222][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.773222][ T10] netlink_unicast+0x449/0x710 [ 3783.773222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.773222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.773222][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.773222][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.773222][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.773222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.773222][ T10] [ 3783.774945][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3783.775269][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3783.775269][ T10] netdev_get_by_index+0x5e/0x80 [ 3783.775269][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3783.775269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3783.775269][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3783.775269][ T10] ipv6_add_addr+0x411/0x2000 [ 3783.775269][ T10] inet6_addr_add+0x30e/0xa40 [ 3783.775269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3783.775269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.775269][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.775269][ T10] netlink_unicast+0x449/0x710 [ 3783.775269][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.775269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.775269][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.775269][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.775269][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.775269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.775269][ T10] [ 3783.777277][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3783.777277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3783.777277][ T10] ipv6_find_idev+0x102/0x170 [ 3783.777277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.777277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.777277][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.777277][ T10] netlink_unicast+0x449/0x710 [ 3783.777277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.777277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.777277][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.777277][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.777277][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.777277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.777277][ T10] [ 3783.778813][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3783.778813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3783.778813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3783.778813][ T10] ipv6_find_idev+0x102/0x170 [ 3783.778813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.778813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.778813][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.778813][ T10] netlink_unicast+0x449/0x710 [ 3783.778813][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.778813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.778813][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.778813][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.778813][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.778813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.778813][ T10] [ 3783.780551][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3783.780873][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3783.780873][ T10] netdev_get_by_index+0x5e/0x80 [ 3783.780873][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3783.780873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3783.780873][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3783.780873][ T10] ipv6_add_addr+0x411/0x2000 [ 3783.780873][ T10] inet6_addr_add+0x30e/0xa40 [ 3783.780873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3783.780873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.780873][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.780873][ T10] netlink_unicast+0x449/0x710 [ 3783.780873][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.780873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.780873][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.780873][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.780873][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.780873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.780873][ T10] [ 3783.782873][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3783.782873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3783.782873][ T10] ipv6_find_idev+0x102/0x170 [ 3783.782873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.782873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.782873][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.782873][ T10] netlink_unicast+0x449/0x710 [ 3783.782873][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.782873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.782873][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.782873][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.782873][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.782873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.782873][ T10] [ 3783.784596][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3783.784596][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3783.784596][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3783.784596][ T10] ipv6_find_idev+0x102/0x170 [ 3783.784596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.784596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.784596][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.784596][ T10] netlink_unicast+0x449/0x710 [ 3783.784596][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.784596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.784596][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.784596][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.784596][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.784596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.784596][ T10] [ 3783.786566][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3783.786875][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3783.786875][ T10] netdev_get_by_index+0x5e/0x80 [ 3783.786875][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3783.786875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3783.786875][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3783.786875][ T10] ipv6_add_addr+0x411/0x2000 [ 3783.786875][ T10] inet6_addr_add+0x30e/0xa40 [ 3783.786875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3783.786875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.786875][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.786875][ T10] netlink_unicast+0x449/0x710 [ 3783.786875][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.786875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.786875][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.786875][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.786875][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.786875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.786875][ T10] [ 3783.789044][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3783.789044][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3783.789044][ T10] ipv6_find_idev+0x102/0x170 [ 3783.789044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.789044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.789044][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.789044][ T10] netlink_unicast+0x449/0x710 [ 3783.789044][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.789044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.789044][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.789044][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.789044][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.789044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.789044][ T10] [ 3783.790756][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3783.790756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3783.790756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3783.790756][ T10] ipv6_find_idev+0x102/0x170 [ 3783.790756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.790756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.790756][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.790756][ T10] netlink_unicast+0x449/0x710 [ 3783.790756][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.790756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.790756][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.790756][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.790756][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.790756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.790756][ T10] [ 3783.792650][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3783.792962][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3783.792962][ T10] netdev_get_by_index+0x5e/0x80 [ 3783.792962][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3783.792962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3783.792962][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3783.792962][ T10] ipv6_add_addr+0x411/0x2000 [ 3783.792962][ T10] inet6_addr_add+0x30e/0xa40 [ 3783.792962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3783.792962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.792962][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.792962][ T10] netlink_unicast+0x449/0x710 [ 3783.792962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.792962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.792962][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.792962][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.792962][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.792962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.792962][ T10] [ 3783.795125][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3783.795125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3783.795125][ T10] ipv6_find_idev+0x102/0x170 [ 3783.795125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.795125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.795125][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.795125][ T10] netlink_unicast+0x449/0x710 [ 3783.795125][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.795125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.795125][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.795125][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.795125][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.795125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.795125][ T10] [ 3783.796892][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3783.796892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3783.796892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3783.796892][ T10] ipv6_find_idev+0x102/0x170 [ 3783.796892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3783.796892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3783.796892][ T10] netlink_rcv_skb+0x130/0x360 [ 3783.796892][ T10] netlink_unicast+0x449/0x710 [ 3783.796892][ T10] netlink_sendmsg+0x723/0xbe0 [ 3783.796892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3783.796892][ T10] ___sys_sendmsg+0xee/0x170 [ 3783.796892][ T10] __sys_sendmsg+0xcd/0x170 [ 3783.796892][ T10] do_syscall_64+0xc6/0x1e0 [ 3783.796892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3783.796892][ T10] [ 3794.040281][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3794.040738][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3794.040738][ T10] netdev_get_by_index+0x5e/0x80 [ 3794.040738][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3794.040738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3794.040738][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3794.040738][ T10] ipv6_add_addr+0x411/0x2000 [ 3794.040738][ T10] inet6_addr_add+0x30e/0xa40 [ 3794.040738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.040738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.040738][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.040738][ T10] netlink_unicast+0x449/0x710 [ 3794.040738][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.040738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.040738][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.040738][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.040738][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.040738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.040738][ T10] [ 3794.042711][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3794.042711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3794.042711][ T10] ipv6_find_idev+0x102/0x170 [ 3794.042711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.042711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.042711][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.042711][ T10] netlink_unicast+0x449/0x710 [ 3794.042711][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.042711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.042711][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.042711][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.042711][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.042711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.042711][ T10] [ 3794.044218][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3794.044218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3794.044218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3794.044218][ T10] ipv6_find_idev+0x102/0x170 [ 3794.044218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.044218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.044218][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.044218][ T10] netlink_unicast+0x449/0x710 [ 3794.044218][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.044218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.044218][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.044218][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.044218][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.044218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.044218][ T10] [ 3794.045884][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3794.046166][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3794.046166][ T10] netdev_get_by_index+0x5e/0x80 [ 3794.046166][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3794.046166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3794.046166][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3794.046166][ T10] ipv6_add_addr+0x411/0x2000 [ 3794.046166][ T10] inet6_addr_add+0x30e/0xa40 [ 3794.046166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.046166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.046166][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.046166][ T10] netlink_unicast+0x449/0x710 [ 3794.046166][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.046166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.046166][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.046166][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.046166][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.046166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.046166][ T10] [ 3794.048134][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3794.048134][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3794.048134][ T10] ipv6_find_idev+0x102/0x170 [ 3794.048134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.048134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.048134][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.048134][ T10] netlink_unicast+0x449/0x710 [ 3794.048134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.048134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.048134][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.048134][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.048134][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.048134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.048134][ T10] [ 3794.049645][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3794.049645][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3794.049645][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3794.049645][ T10] ipv6_find_idev+0x102/0x170 [ 3794.049645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.049645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.049645][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.049645][ T10] netlink_unicast+0x449/0x710 [ 3794.049645][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.049645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.049645][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.049645][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.049645][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.049645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.049645][ T10] [ 3794.051297][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3794.051557][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3794.051557][ T10] netdev_get_by_index+0x5e/0x80 [ 3794.051557][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3794.051557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3794.051557][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3794.051557][ T10] ipv6_add_addr+0x411/0x2000 [ 3794.051557][ T10] inet6_addr_add+0x30e/0xa40 [ 3794.051557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.051557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.051557][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.051557][ T10] netlink_unicast+0x449/0x710 [ 3794.051557][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.051557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.051557][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.051557][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.051557][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.051557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.051557][ T10] [ 3794.054024][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3794.054024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3794.054024][ T10] ipv6_find_idev+0x102/0x170 [ 3794.054024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.054024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.054024][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.054024][ T10] netlink_unicast+0x449/0x710 [ 3794.054024][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.054024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.054024][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.054024][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.054024][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.054024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.054024][ T10] [ 3794.055533][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3794.055533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3794.055533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3794.055533][ T10] ipv6_find_idev+0x102/0x170 [ 3794.055533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.055533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.055533][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.055533][ T10] netlink_unicast+0x449/0x710 [ 3794.055533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.055533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.055533][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.055533][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.055533][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.055533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.055533][ T10] [ 3794.057204][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3794.057460][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3794.057460][ T10] netdev_get_by_index+0x5e/0x80 [ 3794.057460][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3794.057460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3794.057460][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3794.057460][ T10] ipv6_add_addr+0x411/0x2000 [ 3794.057460][ T10] inet6_addr_add+0x30e/0xa40 [ 3794.057460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.057460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.057460][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.057460][ T10] netlink_unicast+0x449/0x710 [ 3794.057460][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.057460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.057460][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.057460][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.057460][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.057460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.057460][ T10] [ 3794.059799][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3794.059799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3794.059799][ T10] ipv6_find_idev+0x102/0x170 [ 3794.059799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.059799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.059799][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.059799][ T10] netlink_unicast+0x449/0x710 [ 3794.059799][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.059799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.059799][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.059799][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.059799][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.059799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.059799][ T10] [ 3794.061312][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3794.061312][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3794.061312][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3794.061312][ T10] ipv6_find_idev+0x102/0x170 [ 3794.061312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.061312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.061312][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.061312][ T10] netlink_unicast+0x449/0x710 [ 3794.061312][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.061312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.061312][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.061312][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.061312][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.061312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.061312][ T10] [ 3794.063027][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3794.063349][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3794.063349][ T10] netdev_get_by_index+0x5e/0x80 [ 3794.063349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3794.063349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3794.063349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3794.063349][ T10] ipv6_add_addr+0x411/0x2000 [ 3794.063349][ T10] inet6_addr_add+0x30e/0xa40 [ 3794.063349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.063349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.063349][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.063349][ T10] netlink_unicast+0x449/0x710 [ 3794.063349][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.063349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.063349][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.063349][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.063349][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.063349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.063349][ T10] [ 3794.065316][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3794.065316][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3794.065316][ T10] ipv6_find_idev+0x102/0x170 [ 3794.065316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.065316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.065316][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.065316][ T10] netlink_unicast+0x449/0x710 [ 3794.065316][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.065316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.065316][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.065316][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.065316][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.065316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.065316][ T10] [ 3794.066829][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3794.066829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3794.066829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3794.066829][ T10] ipv6_find_idev+0x102/0x170 [ 3794.066829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.066829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.066829][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.066829][ T10] netlink_unicast+0x449/0x710 [ 3794.066829][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.066829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.066829][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.066829][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.066829][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.066829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.066829][ T10] [ 3794.068707][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3794.068970][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3794.068970][ T10] netdev_get_by_index+0x5e/0x80 [ 3794.068970][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3794.068970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3794.068970][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3794.068970][ T10] ipv6_add_addr+0x411/0x2000 [ 3794.068970][ T10] inet6_addr_add+0x30e/0xa40 [ 3794.068970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.068970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.068970][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.068970][ T10] netlink_unicast+0x449/0x710 [ 3794.068970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.068970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.068970][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.068970][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.068970][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.068970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.068970][ T10] [ 3794.071228][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3794.071228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3794.071228][ T10] ipv6_find_idev+0x102/0x170 [ 3794.071228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.071228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.071228][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.071228][ T10] netlink_unicast+0x449/0x710 [ 3794.071228][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.071228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.071228][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.071228][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.071228][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.071228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.071228][ T10] [ 3794.072927][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3794.072927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3794.072927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3794.072927][ T10] ipv6_find_idev+0x102/0x170 [ 3794.072927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.072927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.072927][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.072927][ T10] netlink_unicast+0x449/0x710 [ 3794.072927][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.072927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.072927][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.072927][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.072927][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.072927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.072927][ T10] [ 3794.074799][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3794.075064][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3794.075064][ T10] netdev_get_by_index+0x5e/0x80 [ 3794.075064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3794.075064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3794.075064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3794.075064][ T10] ipv6_add_addr+0x411/0x2000 [ 3794.075064][ T10] inet6_addr_add+0x30e/0xa40 [ 3794.075064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.075064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.075064][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.075064][ T10] netlink_unicast+0x449/0x710 [ 3794.075064][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.075064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.075064][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.075064][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.075064][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.075064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.075064][ T10] [ 3794.077283][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3794.077283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3794.077283][ T10] ipv6_find_idev+0x102/0x170 [ 3794.077283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.077283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.077283][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.077283][ T10] netlink_unicast+0x449/0x710 [ 3794.077283][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.077283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.077283][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.077283][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.077283][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.077283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.077283][ T10] [ 3794.079043][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3794.079043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3794.079043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3794.079043][ T10] ipv6_find_idev+0x102/0x170 [ 3794.079043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.079043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.079043][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.079043][ T10] netlink_unicast+0x449/0x710 [ 3794.079043][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.079043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.079043][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.079043][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.079043][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.079043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.079043][ T10] [ 3794.080918][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3794.081245][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3794.081245][ T10] netdev_get_by_index+0x5e/0x80 [ 3794.081245][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3794.081245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3794.081245][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3794.081245][ T10] ipv6_add_addr+0x411/0x2000 [ 3794.081245][ T10] inet6_addr_add+0x30e/0xa40 [ 3794.081245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.081245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.081245][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.081245][ T10] netlink_unicast+0x449/0x710 [ 3794.081245][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.081245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.081245][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.081245][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.081245][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.081245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.081245][ T10] [ 3794.083399][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3794.083399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3794.083399][ T10] ipv6_find_idev+0x102/0x170 [ 3794.083399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.083399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.083399][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.083399][ T10] netlink_unicast+0x449/0x710 [ 3794.083399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.083399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.083399][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.083399][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.083399][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.083399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.083399][ T10] [ 3794.085097][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3794.085097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3794.085097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3794.085097][ T10] ipv6_find_idev+0x102/0x170 [ 3794.085097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.085097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.085097][ T10] netlink_rcv_skb+0x130/0x360 [ 3794.085097][ T10] netlink_unicast+0x449/0x710 [ 3794.085097][ T10] netlink_sendmsg+0x723/0xbe0 [ 3794.085097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3794.085097][ T10] ___sys_sendmsg+0xee/0x170 [ 3794.085097][ T10] __sys_sendmsg+0xcd/0x170 [ 3794.085097][ T10] do_syscall_64+0xc6/0x1e0 [ 3794.085097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.085097][ T10] [ 3804.328214][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3804.328682][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3804.328682][ T10] netdev_get_by_index+0x5e/0x80 [ 3804.328682][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3804.328682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3804.328682][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3804.328682][ T10] ipv6_add_addr+0x411/0x2000 [ 3804.328682][ T10] inet6_addr_add+0x30e/0xa40 [ 3804.328682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.328682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.328682][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.328682][ T10] netlink_unicast+0x449/0x710 [ 3804.328682][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.328682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.328682][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.328682][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.328682][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.328682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.328682][ T10] [ 3804.330676][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3804.330676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3804.330676][ T10] ipv6_find_idev+0x102/0x170 [ 3804.330676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.330676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.330676][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.330676][ T10] netlink_unicast+0x449/0x710 [ 3804.330676][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.330676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.330676][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.330676][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.330676][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.330676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.330676][ T10] [ 3804.332187][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3804.332187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3804.332187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3804.332187][ T10] ipv6_find_idev+0x102/0x170 [ 3804.332187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.332187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.332187][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.332187][ T10] netlink_unicast+0x449/0x710 [ 3804.332187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.332187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.332187][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.332187][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.332187][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.332187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.332187][ T10] [ 3804.333850][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3804.334117][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3804.334117][ T10] netdev_get_by_index+0x5e/0x80 [ 3804.334117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3804.334117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3804.334117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3804.334117][ T10] ipv6_add_addr+0x411/0x2000 [ 3804.334117][ T10] inet6_addr_add+0x30e/0xa40 [ 3804.334117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.334117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.334117][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.334117][ T10] netlink_unicast+0x449/0x710 [ 3804.334117][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.334117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.334117][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.334117][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.334117][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.334117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.334117][ T10] [ 3804.336081][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3804.336081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3804.336081][ T10] ipv6_find_idev+0x102/0x170 [ 3804.336081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.336081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.336081][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.336081][ T10] netlink_unicast+0x449/0x710 [ 3804.336081][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.336081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.336081][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.336081][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.336081][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.336081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.336081][ T10] [ 3804.337632][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3804.337632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3804.337632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3804.337632][ T10] ipv6_find_idev+0x102/0x170 [ 3804.337632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.337632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.337632][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.337632][ T10] netlink_unicast+0x449/0x710 [ 3804.337632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.337632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.337632][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.337632][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.337632][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.337632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.337632][ T10] [ 3804.339281][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3804.339545][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3804.339545][ T10] netdev_get_by_index+0x5e/0x80 [ 3804.339545][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3804.339545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3804.339545][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3804.339545][ T10] ipv6_add_addr+0x411/0x2000 [ 3804.339545][ T10] inet6_addr_add+0x30e/0xa40 [ 3804.339545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.339545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.339545][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.339545][ T10] netlink_unicast+0x449/0x710 [ 3804.339545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.339545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.339545][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.339545][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.339545][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.339545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.339545][ T10] [ 3804.341506][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3804.341506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3804.341506][ T10] ipv6_find_idev+0x102/0x170 [ 3804.341506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.341506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.341506][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.341506][ T10] netlink_unicast+0x449/0x710 [ 3804.341506][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.341506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.341506][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.341506][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.341506][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.341506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.341506][ T10] [ 3804.343017][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3804.343017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3804.343017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3804.343017][ T10] ipv6_find_idev+0x102/0x170 [ 3804.343017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.343017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.343017][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.343017][ T10] netlink_unicast+0x449/0x710 [ 3804.343017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.343017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.343017][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.343017][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.343017][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.343017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.343017][ T10] [ 3804.344669][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3804.344926][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3804.344926][ T10] netdev_get_by_index+0x5e/0x80 [ 3804.344926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3804.344926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3804.344926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3804.344926][ T10] ipv6_add_addr+0x411/0x2000 [ 3804.344926][ T10] inet6_addr_add+0x30e/0xa40 [ 3804.344926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.344926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.344926][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.344926][ T10] netlink_unicast+0x449/0x710 [ 3804.344926][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.344926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.344926][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.344926][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.344926][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.344926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.344926][ T10] [ 3804.346888][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3804.346888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3804.346888][ T10] ipv6_find_idev+0x102/0x170 [ 3804.346888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.346888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.346888][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.346888][ T10] netlink_unicast+0x449/0x710 [ 3804.346888][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.346888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.346888][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.346888][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.346888][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.346888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.346888][ T10] [ 3804.348409][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3804.348409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3804.348409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3804.348409][ T10] ipv6_find_idev+0x102/0x170 [ 3804.348409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.348409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.348409][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.348409][ T10] netlink_unicast+0x449/0x710 [ 3804.348409][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.348409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.348409][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.348409][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.348409][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.348409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.348409][ T10] [ 3804.350508][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3804.350769][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3804.350769][ T10] netdev_get_by_index+0x5e/0x80 [ 3804.350769][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3804.350769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3804.350769][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3804.350769][ T10] ipv6_add_addr+0x411/0x2000 [ 3804.350769][ T10] inet6_addr_add+0x30e/0xa40 [ 3804.350769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.350769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.350769][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.350769][ T10] netlink_unicast+0x449/0x710 [ 3804.350769][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.350769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.350769][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.350769][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.350769][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.350769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.350769][ T10] [ 3804.352735][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3804.352735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3804.352735][ T10] ipv6_find_idev+0x102/0x170 [ 3804.352735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.352735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.352735][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.352735][ T10] netlink_unicast+0x449/0x710 [ 3804.352735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.352735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.352735][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.352735][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.352735][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.352735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.352735][ T10] [ 3804.354248][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3804.354248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3804.354248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3804.354248][ T10] ipv6_find_idev+0x102/0x170 [ 3804.354248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.354248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.354248][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.354248][ T10] netlink_unicast+0x449/0x710 [ 3804.354248][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.354248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.354248][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.354248][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.354248][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.354248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.354248][ T10] [ 3804.355944][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3804.356261][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3804.356261][ T10] netdev_get_by_index+0x5e/0x80 [ 3804.356261][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3804.356261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3804.356261][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3804.356261][ T10] ipv6_add_addr+0x411/0x2000 [ 3804.356261][ T10] inet6_addr_add+0x30e/0xa40 [ 3804.356261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.356261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.356261][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.356261][ T10] netlink_unicast+0x449/0x710 [ 3804.356261][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.356261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.356261][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.356261][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.356261][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.356261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.356261][ T10] [ 3804.358345][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3804.358345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3804.358345][ T10] ipv6_find_idev+0x102/0x170 [ 3804.358345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.358345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.358345][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.358345][ T10] netlink_unicast+0x449/0x710 [ 3804.358345][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.358345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.358345][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.358345][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.358345][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.358345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.358345][ T10] [ 3804.360095][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3804.360095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3804.360095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3804.360095][ T10] ipv6_find_idev+0x102/0x170 [ 3804.360095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.360095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.360095][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.360095][ T10] netlink_unicast+0x449/0x710 [ 3804.360095][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.360095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.360095][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.360095][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.360095][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.360095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.360095][ T10] [ 3804.361961][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3804.362279][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3804.362279][ T10] netdev_get_by_index+0x5e/0x80 [ 3804.362279][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3804.362279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3804.362279][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3804.362279][ T10] ipv6_add_addr+0x411/0x2000 [ 3804.362279][ T10] inet6_addr_add+0x30e/0xa40 [ 3804.362279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.362279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.362279][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.362279][ T10] netlink_unicast+0x449/0x710 [ 3804.362279][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.362279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.362279][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.362279][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.362279][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.362279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.362279][ T10] [ 3804.364418][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3804.364418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3804.364418][ T10] ipv6_find_idev+0x102/0x170 [ 3804.364418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.364418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.364418][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.364418][ T10] netlink_unicast+0x449/0x710 [ 3804.364418][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.364418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.364418][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.364418][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.364418][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.364418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.364418][ T10] [ 3804.366102][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3804.366102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3804.366102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3804.366102][ T10] ipv6_find_idev+0x102/0x170 [ 3804.366102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.366102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.366102][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.366102][ T10] netlink_unicast+0x449/0x710 [ 3804.366102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.366102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.366102][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.366102][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.366102][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.366102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.366102][ T10] [ 3804.367979][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3804.368295][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3804.368295][ T10] netdev_get_by_index+0x5e/0x80 [ 3804.368295][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3804.368295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3804.368295][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3804.368295][ T10] ipv6_add_addr+0x411/0x2000 [ 3804.368295][ T10] inet6_addr_add+0x30e/0xa40 [ 3804.368295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.368295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.368295][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.368295][ T10] netlink_unicast+0x449/0x710 [ 3804.368295][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.368295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.368295][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.368295][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.368295][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.368295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.368295][ T10] [ 3804.370508][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3804.370508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3804.370508][ T10] ipv6_find_idev+0x102/0x170 [ 3804.370508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.370508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.370508][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.370508][ T10] netlink_unicast+0x449/0x710 [ 3804.370508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.370508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.370508][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.370508][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.370508][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.370508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.370508][ T10] [ 3804.372203][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3804.372203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3804.372203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3804.372203][ T10] ipv6_find_idev+0x102/0x170 [ 3804.372203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.372203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.372203][ T10] netlink_rcv_skb+0x130/0x360 [ 3804.372203][ T10] netlink_unicast+0x449/0x710 [ 3804.372203][ T10] netlink_sendmsg+0x723/0xbe0 [ 3804.372203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3804.372203][ T10] ___sys_sendmsg+0xee/0x170 [ 3804.372203][ T10] __sys_sendmsg+0xcd/0x170 [ 3804.372203][ T10] do_syscall_64+0xc6/0x1e0 [ 3804.372203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.372203][ T10] [ 3810.584251][ T42] INFO: task modprobe:14771 blocked for more than 737 seconds. [ 3810.584573][ T42] Not tainted 6.8.0-virtme #1 [ 3810.584691][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3810.584888][ T42] task:modprobe state:D stack:25856 pid:14771 tgid:14771 ppid:36 flags:0x00004002 [ 3810.585182][ T42] Call Trace: [ 3810.585285][ T42] [ 3810.585355][ T42] __schedule+0x705/0x1ac0 [ 3810.585488][ T42] ? __pfx___schedule+0x10/0x10 [ 3810.585611][ T42] ? schedule+0x1a5/0x210 [ 3810.585707][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3810.585835][ T42] ? mark_lock+0x38/0x3e0 [ 3810.585932][ T42] ? do_raw_spin_lock+0x131/0x270 [ 3810.586058][ T42] ? schedule+0x1a5/0x210 [ 3810.586173][ T42] schedule+0xdf/0x210 [ 3810.586271][ T42] schedule_preempt_disabled+0x15/0x30 [ 3810.586392][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 3810.586520][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 3810.586674][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3810.586807][ T42] ? lock_acquire+0x1c1/0x220 [ 3810.586928][ T42] ? register_pernet_subsys+0x1a/0x50 [ 3810.587067][ T42] down_write+0x1c9/0x200 [ 3810.587171][ T42] ? __pfx_down_write+0x10/0x10 [ 3810.587299][ T42] ? __lock_release+0x103/0x460 [ 3810.587421][ T42] ? __create_object+0x5e/0xb0 [ 3810.587548][ T42] ? __pfx___lock_release+0x10/0x10 [ 3810.587673][ T42] register_pernet_subsys+0x1a/0x50 [ 3810.587798][ T42] tcf_register_action+0xa3/0x600 [ 3810.587923][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 3810.588104][ T42] do_one_initcall+0xc8/0x3f0 [ 3810.588229][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 3810.588362][ T42] ? __create_object+0x5e/0xb0 [ 3810.588487][ T42] ? kasan_unpoison+0x27/0x60 [ 3810.588614][ T42] do_init_module+0x233/0x740 [ 3810.588746][ T42] load_module+0x16b5/0x2350 [ 3810.588879][ T42] ? __pfx_load_module+0x10/0x10 [ 3810.589005][ T42] ? kernel_read_file+0x3d2/0x520 [ 3810.589158][ T42] ? kernel_read_file+0x300/0x520 [ 3810.589303][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 3810.589433][ T42] ? init_module_from_file+0xd2/0x130 [ 3810.589558][ T42] init_module_from_file+0xd2/0x130 [ 3810.589679][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 3810.589831][ T42] ? __lock_release+0x103/0x460 [ 3810.589957][ T42] ? idempotent_init_module+0x32a/0x620 [ 3810.590108][ T42] ? idempotent_init_module+0x32a/0x620 [ 3810.590231][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 3810.590356][ T42] idempotent_init_module+0x342/0x620 [ 3810.590485][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 3810.590656][ T42] __x64_sys_finit_module+0xbe/0x130 [ 3810.590786][ T42] do_syscall_64+0xc6/0x1e0 [ 3810.590914][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3810.591063][ T42] RIP: 0033:0x7f9f7563de5d [ 3810.591201][ T42] RSP: 002b:00007ffe3a6850f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 3810.591383][ T42] RAX: ffffffffffffffda RBX: 0000558501133c00 RCX: 00007f9f7563de5d [ 3810.591570][ T42] RDX: 0000000000000000 RSI: 00005584c204fa2a RDI: 0000000000000000 [ 3810.591751][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe3a685230 [ 3810.591930][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584c204fa2a [ 3810.592125][ T42] R13: 0000558501133b10 R14: 0000558501133f40 R15: 0000558501133c72 [ 3810.592324][ T42] [ 3810.592420][ T42] [ 3810.592420][ T42] Showing all locks held in the system: [ 3810.592635][ T42] 3 locks held by kworker/u16:0/10: [ 3810.592758][ T42] 2 locks held by kworker/u17:0/36: [ 3810.592873][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3810.593141][ T42] #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3810.593422][ T42] 1 lock held by khungtaskd/42: [ 3810.593538][ T42] #0: ffffffff96f69160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 3810.593760][ T42] 1 lock held by modprobe/14771: [ 3810.593878][ T42] #0: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 3810.594135][ T42] [ 3810.594195][ T42] ============================================= [ 3810.594195][ T42] [ 3814.432181][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3814.432774][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3814.432774][ T10] netdev_get_by_index+0x5e/0x80 [ 3814.432774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3814.432774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3814.432774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3814.432774][ T10] ipv6_add_addr+0x411/0x2000 [ 3814.432774][ T10] inet6_addr_add+0x30e/0xa40 [ 3814.432774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.432774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.432774][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.432774][ T10] netlink_unicast+0x449/0x710 [ 3814.432774][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.432774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.432774][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.432774][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.432774][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.432774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.432774][ T10] [ 3814.435957][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3814.435957][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3814.435957][ T10] ipv6_find_idev+0x102/0x170 [ 3814.435957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.435957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.435957][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.435957][ T10] netlink_unicast+0x449/0x710 [ 3814.435957][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.435957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.435957][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.435957][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.435957][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.435957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.435957][ T10] [ 3814.437505][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3814.437505][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3814.437505][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3814.437505][ T10] ipv6_find_idev+0x102/0x170 [ 3814.437505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.437505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.437505][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.437505][ T10] netlink_unicast+0x449/0x710 [ 3814.437505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.437505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.437505][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.437505][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.437505][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.437505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.437505][ T10] [ 3814.439191][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3814.439470][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3814.439470][ T10] netdev_get_by_index+0x5e/0x80 [ 3814.439470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3814.439470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3814.439470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3814.439470][ T10] ipv6_add_addr+0x411/0x2000 [ 3814.439470][ T10] inet6_addr_add+0x30e/0xa40 [ 3814.439470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.439470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.439470][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.439470][ T10] netlink_unicast+0x449/0x710 [ 3814.439470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.439470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.439470][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.439470][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.439470][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.439470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.439470][ T10] [ 3814.442005][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3814.442005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3814.442005][ T10] ipv6_find_idev+0x102/0x170 [ 3814.442005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.442005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.442005][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.442005][ T10] netlink_unicast+0x449/0x710 [ 3814.442005][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.442005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.442005][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.442005][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.442005][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.442005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.442005][ T10] [ 3814.444339][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3814.444339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3814.444339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3814.444339][ T10] ipv6_find_idev+0x102/0x170 [ 3814.444339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.444339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.444339][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.444339][ T10] netlink_unicast+0x449/0x710 [ 3814.444339][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.444339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.444339][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.444339][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.444339][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.444339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.444339][ T10] [ 3814.446034][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3814.446313][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3814.446313][ T10] netdev_get_by_index+0x5e/0x80 [ 3814.446313][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3814.446313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3814.446313][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3814.446313][ T10] ipv6_add_addr+0x411/0x2000 [ 3814.446313][ T10] inet6_addr_add+0x30e/0xa40 [ 3814.446313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.446313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.446313][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.446313][ T10] netlink_unicast+0x449/0x710 [ 3814.446313][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.446313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.446313][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.446313][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.446313][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.446313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.446313][ T10] [ 3814.448313][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3814.448313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3814.448313][ T10] ipv6_find_idev+0x102/0x170 [ 3814.448313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.448313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.448313][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.448313][ T10] netlink_unicast+0x449/0x710 [ 3814.448313][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.448313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.448313][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.448313][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.448313][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.448313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.448313][ T10] [ 3814.450610][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3814.450610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3814.450610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3814.450610][ T10] ipv6_find_idev+0x102/0x170 [ 3814.450610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.450610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.450610][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.450610][ T10] netlink_unicast+0x449/0x710 [ 3814.450610][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.450610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.450610][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.450610][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.450610][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.450610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.450610][ T10] [ 3814.453334][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3814.453765][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3814.453765][ T10] netdev_get_by_index+0x5e/0x80 [ 3814.453765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3814.453765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3814.453765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3814.453765][ T10] ipv6_add_addr+0x411/0x2000 [ 3814.453765][ T10] inet6_addr_add+0x30e/0xa40 [ 3814.453765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.453765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.453765][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.453765][ T10] netlink_unicast+0x449/0x710 [ 3814.453765][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.453765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.453765][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.453765][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.453765][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.453765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.453765][ T10] [ 3814.456187][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3814.456187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3814.456187][ T10] ipv6_find_idev+0x102/0x170 [ 3814.456187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.456187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.456187][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.456187][ T10] netlink_unicast+0x449/0x710 [ 3814.456187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.456187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.456187][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.456187][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.456187][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.456187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.456187][ T10] [ 3814.457714][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3814.457714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3814.457714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3814.457714][ T10] ipv6_find_idev+0x102/0x170 [ 3814.457714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.457714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.457714][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.457714][ T10] netlink_unicast+0x449/0x710 [ 3814.457714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.457714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.457714][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.457714][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.457714][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.457714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.457714][ T10] [ 3814.459780][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3814.460047][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3814.460047][ T10] netdev_get_by_index+0x5e/0x80 [ 3814.460047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3814.460047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3814.460047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3814.460047][ T10] ipv6_add_addr+0x411/0x2000 [ 3814.460047][ T10] inet6_addr_add+0x30e/0xa40 [ 3814.460047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.460047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.460047][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.460047][ T10] netlink_unicast+0x449/0x710 [ 3814.460047][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.460047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.460047][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.460047][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.460047][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.460047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.460047][ T10] [ 3814.462076][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3814.462076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3814.462076][ T10] ipv6_find_idev+0x102/0x170 [ 3814.462076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.462076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.462076][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.462076][ T10] netlink_unicast+0x449/0x710 [ 3814.462076][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.462076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.462076][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.462076][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.462076][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.462076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.462076][ T10] [ 3814.463593][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3814.463593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3814.463593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3814.463593][ T10] ipv6_find_idev+0x102/0x170 [ 3814.463593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.463593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.463593][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.463593][ T10] netlink_unicast+0x449/0x710 [ 3814.463593][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.463593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.463593][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.463593][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.463593][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.463593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.463593][ T10] [ 3814.465304][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3814.465568][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3814.465568][ T10] netdev_get_by_index+0x5e/0x80 [ 3814.465568][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3814.465568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3814.465568][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3814.465568][ T10] ipv6_add_addr+0x411/0x2000 [ 3814.465568][ T10] inet6_addr_add+0x30e/0xa40 [ 3814.465568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.465568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.465568][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.465568][ T10] netlink_unicast+0x449/0x710 [ 3814.465568][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.465568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.465568][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.465568][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.465568][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.465568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.465568][ T10] [ 3814.467669][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3814.467669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3814.467669][ T10] ipv6_find_idev+0x102/0x170 [ 3814.467669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.467669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.467669][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.467669][ T10] netlink_unicast+0x449/0x710 [ 3814.467669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.467669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.467669][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.467669][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.467669][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.467669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.467669][ T10] [ 3814.469243][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3814.469243][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3814.469243][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3814.469243][ T10] ipv6_find_idev+0x102/0x170 [ 3814.469243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.469243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.469243][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.469243][ T10] netlink_unicast+0x449/0x710 [ 3814.469243][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.469243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.469243][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.469243][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.469243][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.469243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.469243][ T10] [ 3814.471073][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3814.471405][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3814.471405][ T10] netdev_get_by_index+0x5e/0x80 [ 3814.471405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3814.471405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3814.471405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3814.471405][ T10] ipv6_add_addr+0x411/0x2000 [ 3814.471405][ T10] inet6_addr_add+0x30e/0xa40 [ 3814.471405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.471405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.471405][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.471405][ T10] netlink_unicast+0x449/0x710 [ 3814.471405][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.471405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.471405][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.471405][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.471405][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.471405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.471405][ T10] [ 3814.473490][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3814.473490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3814.473490][ T10] ipv6_find_idev+0x102/0x170 [ 3814.473490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.473490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.473490][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.473490][ T10] netlink_unicast+0x449/0x710 [ 3814.473490][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.473490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.473490][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.473490][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.473490][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.473490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.473490][ T10] [ 3814.475068][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3814.475068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3814.475068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3814.475068][ T10] ipv6_find_idev+0x102/0x170 [ 3814.475068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.475068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.475068][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.475068][ T10] netlink_unicast+0x449/0x710 [ 3814.475068][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.475068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.475068][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.475068][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.475068][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.475068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.475068][ T10] [ 3814.476890][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3814.477222][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3814.477222][ T10] netdev_get_by_index+0x5e/0x80 [ 3814.477222][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3814.477222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3814.477222][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3814.477222][ T10] ipv6_add_addr+0x411/0x2000 [ 3814.477222][ T10] inet6_addr_add+0x30e/0xa40 [ 3814.477222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3814.477222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.477222][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.477222][ T10] netlink_unicast+0x449/0x710 [ 3814.477222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.477222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.477222][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.477222][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.477222][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.477222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.477222][ T10] [ 3814.479256][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3814.479256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3814.479256][ T10] ipv6_find_idev+0x102/0x170 [ 3814.479256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.479256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.479256][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.479256][ T10] netlink_unicast+0x449/0x710 [ 3814.479256][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.479256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.479256][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.479256][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.479256][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.479256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.479256][ T10] [ 3814.480901][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3814.480901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3814.480901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3814.480901][ T10] ipv6_find_idev+0x102/0x170 [ 3814.480901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3814.480901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3814.480901][ T10] netlink_rcv_skb+0x130/0x360 [ 3814.480901][ T10] netlink_unicast+0x449/0x710 [ 3814.480901][ T10] netlink_sendmsg+0x723/0xbe0 [ 3814.480901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3814.480901][ T10] ___sys_sendmsg+0xee/0x170 [ 3814.480901][ T10] __sys_sendmsg+0xcd/0x170 [ 3814.480901][ T10] do_syscall_64+0xc6/0x1e0 [ 3814.480901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3814.480901][ T10] [ 3824.720242][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3824.720693][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3824.720693][ T10] netdev_get_by_index+0x5e/0x80 [ 3824.720693][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3824.720693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3824.720693][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3824.720693][ T10] ipv6_add_addr+0x411/0x2000 [ 3824.720693][ T10] inet6_addr_add+0x30e/0xa40 [ 3824.720693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3824.720693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.720693][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.720693][ T10] netlink_unicast+0x449/0x710 [ 3824.720693][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.720693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.720693][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.720693][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.720693][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.720693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.720693][ T10] [ 3824.722682][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3824.722682][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3824.722682][ T10] ipv6_find_idev+0x102/0x170 [ 3824.722682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.722682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.722682][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.722682][ T10] netlink_unicast+0x449/0x710 [ 3824.722682][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.722682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.722682][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.722682][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.722682][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.722682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.722682][ T10] [ 3824.724209][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3824.724209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3824.724209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3824.724209][ T10] ipv6_find_idev+0x102/0x170 [ 3824.724209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.724209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.724209][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.724209][ T10] netlink_unicast+0x449/0x710 [ 3824.724209][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.724209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.724209][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.724209][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.724209][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.724209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.724209][ T10] [ 3824.725877][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3824.726171][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3824.726171][ T10] netdev_get_by_index+0x5e/0x80 [ 3824.726171][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3824.726171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3824.726171][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3824.726171][ T10] ipv6_add_addr+0x411/0x2000 [ 3824.726171][ T10] inet6_addr_add+0x30e/0xa40 [ 3824.726171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3824.726171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.726171][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.726171][ T10] netlink_unicast+0x449/0x710 [ 3824.726171][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.726171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.726171][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.726171][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.726171][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.726171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.726171][ T10] [ 3824.728159][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3824.728159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3824.728159][ T10] ipv6_find_idev+0x102/0x170 [ 3824.728159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.728159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.728159][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.728159][ T10] netlink_unicast+0x449/0x710 [ 3824.728159][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.728159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.728159][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.728159][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.728159][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.728159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.728159][ T10] [ 3824.729714][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3824.729714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3824.729714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3824.729714][ T10] ipv6_find_idev+0x102/0x170 [ 3824.729714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.729714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.729714][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.729714][ T10] netlink_unicast+0x449/0x710 [ 3824.729714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.729714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.729714][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.729714][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.729714][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.729714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.729714][ T10] [ 3824.731382][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3824.731646][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3824.731646][ T10] netdev_get_by_index+0x5e/0x80 [ 3824.731646][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3824.731646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3824.731646][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3824.731646][ T10] ipv6_add_addr+0x411/0x2000 [ 3824.731646][ T10] inet6_addr_add+0x30e/0xa40 [ 3824.731646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3824.731646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.731646][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.731646][ T10] netlink_unicast+0x449/0x710 [ 3824.731646][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.731646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.731646][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.731646][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.731646][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.731646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.731646][ T10] [ 3824.733616][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3824.733616][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3824.733616][ T10] ipv6_find_idev+0x102/0x170 [ 3824.733616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.733616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.733616][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.733616][ T10] netlink_unicast+0x449/0x710 [ 3824.733616][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.733616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.733616][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.733616][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.733616][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.733616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.733616][ T10] [ 3824.735134][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3824.735134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3824.735134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3824.735134][ T10] ipv6_find_idev+0x102/0x170 [ 3824.735134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.735134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.735134][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.735134][ T10] netlink_unicast+0x449/0x710 [ 3824.735134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.735134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.735134][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.735134][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.735134][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.735134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.735134][ T10] [ 3824.736802][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3824.737080][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3824.737080][ T10] netdev_get_by_index+0x5e/0x80 [ 3824.737080][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3824.737080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3824.737080][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3824.737080][ T10] ipv6_add_addr+0x411/0x2000 [ 3824.737080][ T10] inet6_addr_add+0x30e/0xa40 [ 3824.737080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3824.737080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.737080][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.737080][ T10] netlink_unicast+0x449/0x710 [ 3824.737080][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.737080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.737080][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.737080][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.737080][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.737080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.737080][ T10] [ 3824.739037][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3824.739037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3824.739037][ T10] ipv6_find_idev+0x102/0x170 [ 3824.739037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.739037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.739037][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.739037][ T10] netlink_unicast+0x449/0x710 [ 3824.739037][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.739037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.739037][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.739037][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.739037][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.739037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.739037][ T10] [ 3824.740533][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3824.740533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3824.740533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3824.740533][ T10] ipv6_find_idev+0x102/0x170 [ 3824.740533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.740533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.740533][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.740533][ T10] netlink_unicast+0x449/0x710 [ 3824.740533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.740533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.740533][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.740533][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.740533][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.740533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.740533][ T10] [ 3824.742584][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3824.742842][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3824.742842][ T10] netdev_get_by_index+0x5e/0x80 [ 3824.742842][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3824.742842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3824.742842][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3824.742842][ T10] ipv6_add_addr+0x411/0x2000 [ 3824.742842][ T10] inet6_addr_add+0x30e/0xa40 [ 3824.742842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3824.742842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.742842][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.742842][ T10] netlink_unicast+0x449/0x710 [ 3824.742842][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.742842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.742842][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.742842][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.742842][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.742842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.742842][ T10] [ 3824.744796][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3824.744796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3824.744796][ T10] ipv6_find_idev+0x102/0x170 [ 3824.744796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.744796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.744796][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.744796][ T10] netlink_unicast+0x449/0x710 [ 3824.744796][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.744796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.744796][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.744796][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.744796][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.744796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.744796][ T10] [ 3824.746325][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3824.746325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3824.746325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3824.746325][ T10] ipv6_find_idev+0x102/0x170 [ 3824.746325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.746325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.746325][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.746325][ T10] netlink_unicast+0x449/0x710 [ 3824.746325][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.746325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.746325][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.746325][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.746325][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.746325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.746325][ T10] [ 3824.748038][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3824.748349][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3824.748349][ T10] netdev_get_by_index+0x5e/0x80 [ 3824.748349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3824.748349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3824.748349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3824.748349][ T10] ipv6_add_addr+0x411/0x2000 [ 3824.748349][ T10] inet6_addr_add+0x30e/0xa40 [ 3824.748349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3824.748349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.748349][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.748349][ T10] netlink_unicast+0x449/0x710 [ 3824.748349][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.748349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.748349][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.748349][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.748349][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.748349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.748349][ T10] [ 3824.750439][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3824.750439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3824.750439][ T10] ipv6_find_idev+0x102/0x170 [ 3824.750439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.750439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.750439][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.750439][ T10] netlink_unicast+0x449/0x710 [ 3824.750439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.750439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.750439][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.750439][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.750439][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.750439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.750439][ T10] [ 3824.752129][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3824.752129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3824.752129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3824.752129][ T10] ipv6_find_idev+0x102/0x170 [ 3824.752129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.752129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.752129][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.752129][ T10] netlink_unicast+0x449/0x710 [ 3824.752129][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.752129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.752129][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.752129][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.752129][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.752129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.752129][ T10] [ 3824.754057][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3824.754365][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3824.754365][ T10] netdev_get_by_index+0x5e/0x80 [ 3824.754365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3824.754365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3824.754365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3824.754365][ T10] ipv6_add_addr+0x411/0x2000 [ 3824.754365][ T10] inet6_addr_add+0x30e/0xa40 [ 3824.754365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3824.754365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.754365][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.754365][ T10] netlink_unicast+0x449/0x710 [ 3824.754365][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.754365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.754365][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.754365][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.754365][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.754365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.754365][ T10] [ 3824.757015][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3824.757015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3824.757015][ T10] ipv6_find_idev+0x102/0x170 [ 3824.757015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.757015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.757015][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.757015][ T10] netlink_unicast+0x449/0x710 [ 3824.757015][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.757015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.757015][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.757015][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.757015][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.757015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.757015][ T10] [ 3824.758702][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3824.758702][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3824.758702][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3824.758702][ T10] ipv6_find_idev+0x102/0x170 [ 3824.758702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.758702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.758702][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.758702][ T10] netlink_unicast+0x449/0x710 [ 3824.758702][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.758702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.758702][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.758702][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.758702][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.758702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.758702][ T10] [ 3824.760567][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3824.760824][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3824.760824][ T10] netdev_get_by_index+0x5e/0x80 [ 3824.760824][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3824.760824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3824.760824][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3824.760824][ T10] ipv6_add_addr+0x411/0x2000 [ 3824.760824][ T10] inet6_addr_add+0x30e/0xa40 [ 3824.760824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3824.760824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.760824][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.760824][ T10] netlink_unicast+0x449/0x710 [ 3824.760824][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.760824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.760824][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.760824][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.760824][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.760824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.760824][ T10] [ 3824.763412][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3824.763412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3824.763412][ T10] ipv6_find_idev+0x102/0x170 [ 3824.763412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.763412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.763412][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.763412][ T10] netlink_unicast+0x449/0x710 [ 3824.763412][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.763412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.763412][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.763412][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.763412][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.763412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.763412][ T10] [ 3824.765158][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3824.765158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3824.765158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3824.765158][ T10] ipv6_find_idev+0x102/0x170 [ 3824.765158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3824.765158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3824.765158][ T10] netlink_rcv_skb+0x130/0x360 [ 3824.765158][ T10] netlink_unicast+0x449/0x710 [ 3824.765158][ T10] netlink_sendmsg+0x723/0xbe0 [ 3824.765158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3824.765158][ T10] ___sys_sendmsg+0xee/0x170 [ 3824.765158][ T10] __sys_sendmsg+0xcd/0x170 [ 3824.765158][ T10] do_syscall_64+0xc6/0x1e0 [ 3824.765158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3824.765158][ T10] [ 3835.008226][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3835.008684][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3835.008684][ T10] netdev_get_by_index+0x5e/0x80 [ 3835.008684][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3835.008684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3835.008684][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3835.008684][ T10] ipv6_add_addr+0x411/0x2000 [ 3835.008684][ T10] inet6_addr_add+0x30e/0xa40 [ 3835.008684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.008684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.008684][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.008684][ T10] netlink_unicast+0x449/0x710 [ 3835.008684][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.008684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.008684][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.008684][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.008684][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.008684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.008684][ T10] [ 3835.010710][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3835.010710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3835.010710][ T10] ipv6_find_idev+0x102/0x170 [ 3835.010710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.010710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.010710][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.010710][ T10] netlink_unicast+0x449/0x710 [ 3835.010710][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.010710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.010710][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.010710][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.010710][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.010710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.010710][ T10] [ 3835.012251][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3835.012251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3835.012251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3835.012251][ T10] ipv6_find_idev+0x102/0x170 [ 3835.012251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.012251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.012251][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.012251][ T10] netlink_unicast+0x449/0x710 [ 3835.012251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.012251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.012251][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.012251][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.012251][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.012251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.012251][ T10] [ 3835.014059][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3835.014342][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3835.014342][ T10] netdev_get_by_index+0x5e/0x80 [ 3835.014342][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3835.014342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3835.014342][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3835.014342][ T10] ipv6_add_addr+0x411/0x2000 [ 3835.014342][ T10] inet6_addr_add+0x30e/0xa40 [ 3835.014342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.014342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.014342][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.014342][ T10] netlink_unicast+0x449/0x710 [ 3835.014342][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.014342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.014342][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.014342][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.014342][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.014342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.014342][ T10] [ 3835.016344][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3835.016344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3835.016344][ T10] ipv6_find_idev+0x102/0x170 [ 3835.016344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.016344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.016344][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.016344][ T10] netlink_unicast+0x449/0x710 [ 3835.016344][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.016344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.016344][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.016344][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.016344][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.016344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.016344][ T10] [ 3835.017892][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3835.017892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3835.017892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3835.017892][ T10] ipv6_find_idev+0x102/0x170 [ 3835.017892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.017892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.017892][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.017892][ T10] netlink_unicast+0x449/0x710 [ 3835.017892][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.017892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.017892][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.017892][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.017892][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.017892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.017892][ T10] [ 3835.019576][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3835.019857][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3835.019857][ T10] netdev_get_by_index+0x5e/0x80 [ 3835.019857][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3835.019857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3835.019857][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3835.019857][ T10] ipv6_add_addr+0x411/0x2000 [ 3835.019857][ T10] inet6_addr_add+0x30e/0xa40 [ 3835.019857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.019857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.019857][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.019857][ T10] netlink_unicast+0x449/0x710 [ 3835.019857][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.019857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.019857][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.019857][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.019857][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.019857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.019857][ T10] [ 3835.022206][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3835.022206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3835.022206][ T10] ipv6_find_idev+0x102/0x170 [ 3835.022206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.022206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.022206][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.022206][ T10] netlink_unicast+0x449/0x710 [ 3835.022206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.022206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.022206][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.022206][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.022206][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.022206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.022206][ T10] [ 3835.023733][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3835.023733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3835.023733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3835.023733][ T10] ipv6_find_idev+0x102/0x170 [ 3835.023733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.023733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.023733][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.023733][ T10] netlink_unicast+0x449/0x710 [ 3835.023733][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.023733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.023733][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.023733][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.023733][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.023733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.023733][ T10] [ 3835.025425][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3835.025693][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3835.025693][ T10] netdev_get_by_index+0x5e/0x80 [ 3835.025693][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3835.025693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3835.025693][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3835.025693][ T10] ipv6_add_addr+0x411/0x2000 [ 3835.025693][ T10] inet6_addr_add+0x30e/0xa40 [ 3835.025693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.025693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.025693][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.025693][ T10] netlink_unicast+0x449/0x710 [ 3835.025693][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.025693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.025693][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.025693][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.025693][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.025693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.025693][ T10] [ 3835.027685][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3835.027685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3835.027685][ T10] ipv6_find_idev+0x102/0x170 [ 3835.027685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.027685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.027685][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.027685][ T10] netlink_unicast+0x449/0x710 [ 3835.027685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.027685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.027685][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.027685][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.027685][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.027685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.027685][ T10] [ 3835.029225][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3835.029225][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3835.029225][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3835.029225][ T10] ipv6_find_idev+0x102/0x170 [ 3835.029225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.029225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.029225][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.029225][ T10] netlink_unicast+0x449/0x710 [ 3835.029225][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.029225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.029225][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.029225][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.029225][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.029225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.029225][ T10] [ 3835.031308][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3835.031900][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3835.031900][ T10] netdev_get_by_index+0x5e/0x80 [ 3835.031900][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3835.031900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3835.031900][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3835.031900][ T10] ipv6_add_addr+0x411/0x2000 [ 3835.031900][ T10] inet6_addr_add+0x30e/0xa40 [ 3835.031900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.031900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.031900][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.031900][ T10] netlink_unicast+0x449/0x710 [ 3835.031900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.031900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.031900][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.031900][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.031900][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.031900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.031900][ T10] [ 3835.033882][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3835.033882][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3835.033882][ T10] ipv6_find_idev+0x102/0x170 [ 3835.033882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.033882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.033882][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.033882][ T10] netlink_unicast+0x449/0x710 [ 3835.033882][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.033882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.033882][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.033882][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.033882][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.033882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.033882][ T10] [ 3835.035404][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3835.035404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3835.035404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3835.035404][ T10] ipv6_find_idev+0x102/0x170 [ 3835.035404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.035404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.035404][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.035404][ T10] netlink_unicast+0x449/0x710 [ 3835.035404][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.035404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.035404][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.035404][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.035404][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.035404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.035404][ T10] [ 3835.037087][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3835.037412][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3835.037412][ T10] netdev_get_by_index+0x5e/0x80 [ 3835.037412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3835.037412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3835.037412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3835.037412][ T10] ipv6_add_addr+0x411/0x2000 [ 3835.037412][ T10] inet6_addr_add+0x30e/0xa40 [ 3835.037412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.037412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.037412][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.037412][ T10] netlink_unicast+0x449/0x710 [ 3835.037412][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.037412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.037412][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.037412][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.037412][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.037412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.037412][ T10] [ 3835.039393][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3835.039393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3835.039393][ T10] ipv6_find_idev+0x102/0x170 [ 3835.039393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.039393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.039393][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.039393][ T10] netlink_unicast+0x449/0x710 [ 3835.039393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.039393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.039393][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.039393][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.039393][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.039393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.039393][ T10] [ 3835.040994][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3835.040994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3835.040994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3835.040994][ T10] ipv6_find_idev+0x102/0x170 [ 3835.040994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.040994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.040994][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.040994][ T10] netlink_unicast+0x449/0x710 [ 3835.040994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.040994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.040994][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.040994][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.040994][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.040994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.040994][ T10] [ 3835.042773][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3835.043089][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3835.043089][ T10] netdev_get_by_index+0x5e/0x80 [ 3835.043089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3835.043089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3835.043089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3835.043089][ T10] ipv6_add_addr+0x411/0x2000 [ 3835.043089][ T10] inet6_addr_add+0x30e/0xa40 [ 3835.043089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.043089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.043089][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.043089][ T10] netlink_unicast+0x449/0x710 [ 3835.043089][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.043089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.043089][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.043089][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.043089][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.043089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.043089][ T10] [ 3835.045206][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3835.045206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3835.045206][ T10] ipv6_find_idev+0x102/0x170 [ 3835.045206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.045206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.045206][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.045206][ T10] netlink_unicast+0x449/0x710 [ 3835.045206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.045206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.045206][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.045206][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.045206][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.045206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.045206][ T10] [ 3835.046873][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3835.046873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3835.046873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3835.046873][ T10] ipv6_find_idev+0x102/0x170 [ 3835.046873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.046873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.046873][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.046873][ T10] netlink_unicast+0x449/0x710 [ 3835.046873][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.046873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.046873][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.046873][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.046873][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.046873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.046873][ T10] [ 3835.048639][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3835.048955][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3835.048955][ T10] netdev_get_by_index+0x5e/0x80 [ 3835.048955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3835.048955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3835.048955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3835.048955][ T10] ipv6_add_addr+0x411/0x2000 [ 3835.048955][ T10] inet6_addr_add+0x30e/0xa40 [ 3835.048955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.048955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.048955][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.048955][ T10] netlink_unicast+0x449/0x710 [ 3835.048955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.048955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.048955][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.048955][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.048955][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.048955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.048955][ T10] [ 3835.051078][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3835.051078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3835.051078][ T10] ipv6_find_idev+0x102/0x170 [ 3835.051078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.051078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.051078][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.051078][ T10] netlink_unicast+0x449/0x710 [ 3835.051078][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.051078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.051078][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.051078][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.051078][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.051078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.051078][ T10] [ 3835.052665][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3835.052665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3835.052665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3835.052665][ T10] ipv6_find_idev+0x102/0x170 [ 3835.052665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.052665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.052665][ T10] netlink_rcv_skb+0x130/0x360 [ 3835.052665][ T10] netlink_unicast+0x449/0x710 [ 3835.052665][ T10] netlink_sendmsg+0x723/0xbe0 [ 3835.052665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3835.052665][ T10] ___sys_sendmsg+0xee/0x170 [ 3835.052665][ T10] __sys_sendmsg+0xcd/0x170 [ 3835.052665][ T10] do_syscall_64+0xc6/0x1e0 [ 3835.052665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.052665][ T10] [ 3845.296216][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3845.296681][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3845.296681][ T10] netdev_get_by_index+0x5e/0x80 [ 3845.296681][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3845.296681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3845.296681][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3845.296681][ T10] ipv6_add_addr+0x411/0x2000 [ 3845.296681][ T10] inet6_addr_add+0x30e/0xa40 [ 3845.296681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.296681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.296681][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.296681][ T10] netlink_unicast+0x449/0x710 [ 3845.296681][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.296681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.296681][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.296681][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.296681][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.296681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.296681][ T10] [ 3845.298699][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3845.298699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3845.298699][ T10] ipv6_find_idev+0x102/0x170 [ 3845.298699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.298699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.298699][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.298699][ T10] netlink_unicast+0x449/0x710 [ 3845.298699][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.298699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.298699][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.298699][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.298699][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.298699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.298699][ T10] [ 3845.300256][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3845.300256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3845.300256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3845.300256][ T10] ipv6_find_idev+0x102/0x170 [ 3845.300256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.300256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.300256][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.300256][ T10] netlink_unicast+0x449/0x710 [ 3845.300256][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.300256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.300256][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.300256][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.300256][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.300256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.300256][ T10] [ 3845.301952][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3845.302232][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3845.302232][ T10] netdev_get_by_index+0x5e/0x80 [ 3845.302232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3845.302232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3845.302232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3845.302232][ T10] ipv6_add_addr+0x411/0x2000 [ 3845.302232][ T10] inet6_addr_add+0x30e/0xa40 [ 3845.302232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.302232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.302232][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.302232][ T10] netlink_unicast+0x449/0x710 [ 3845.302232][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.302232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.302232][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.302232][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.302232][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.302232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.302232][ T10] [ 3845.304236][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3845.304236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3845.304236][ T10] ipv6_find_idev+0x102/0x170 [ 3845.304236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.304236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.304236][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.304236][ T10] netlink_unicast+0x449/0x710 [ 3845.304236][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.304236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.304236][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.304236][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.304236][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.304236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.304236][ T10] [ 3845.305763][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3845.305763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3845.305763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3845.305763][ T10] ipv6_find_idev+0x102/0x170 [ 3845.305763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.305763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.305763][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.305763][ T10] netlink_unicast+0x449/0x710 [ 3845.305763][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.305763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.305763][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.305763][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.305763][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.305763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.305763][ T10] [ 3845.307448][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3845.307715][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3845.307715][ T10] netdev_get_by_index+0x5e/0x80 [ 3845.307715][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3845.307715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3845.307715][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3845.307715][ T10] ipv6_add_addr+0x411/0x2000 [ 3845.307715][ T10] inet6_addr_add+0x30e/0xa40 [ 3845.307715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.307715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.307715][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.307715][ T10] netlink_unicast+0x449/0x710 [ 3845.307715][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.307715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.307715][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.307715][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.307715][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.307715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.307715][ T10] [ 3845.309706][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3845.309706][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3845.309706][ T10] ipv6_find_idev+0x102/0x170 [ 3845.309706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.309706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.309706][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.309706][ T10] netlink_unicast+0x449/0x710 [ 3845.309706][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.309706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.309706][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.309706][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.309706][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.309706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.309706][ T10] [ 3845.311250][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3845.311250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3845.311250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3845.311250][ T10] ipv6_find_idev+0x102/0x170 [ 3845.311250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.311250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.311250][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.311250][ T10] netlink_unicast+0x449/0x710 [ 3845.311250][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.311250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.311250][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.311250][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.311250][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.311250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.311250][ T10] [ 3845.312948][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3845.313667][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3845.313667][ T10] netdev_get_by_index+0x5e/0x80 [ 3845.313667][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3845.313667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3845.313667][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3845.313667][ T10] ipv6_add_addr+0x411/0x2000 [ 3845.313667][ T10] inet6_addr_add+0x30e/0xa40 [ 3845.313667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.313667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.313667][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.313667][ T10] netlink_unicast+0x449/0x710 [ 3845.313667][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.313667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.313667][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.313667][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.313667][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.313667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.313667][ T10] [ 3845.316160][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3845.316160][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3845.316160][ T10] ipv6_find_idev+0x102/0x170 [ 3845.316160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.316160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.316160][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.316160][ T10] netlink_unicast+0x449/0x710 [ 3845.316160][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.316160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.316160][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.316160][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.316160][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.316160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.316160][ T10] [ 3845.317690][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3845.317690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3845.317690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3845.317690][ T10] ipv6_find_idev+0x102/0x170 [ 3845.317690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.317690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.317690][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.317690][ T10] netlink_unicast+0x449/0x710 [ 3845.317690][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.317690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.317690][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.317690][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.317690][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.317690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.317690][ T10] [ 3845.319432][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3845.319744][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3845.319744][ T10] netdev_get_by_index+0x5e/0x80 [ 3845.319744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3845.319744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3845.319744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3845.319744][ T10] ipv6_add_addr+0x411/0x2000 [ 3845.319744][ T10] inet6_addr_add+0x30e/0xa40 [ 3845.319744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.319744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.319744][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.319744][ T10] netlink_unicast+0x449/0x710 [ 3845.319744][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.319744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.319744][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.319744][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.319744][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.319744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.319744][ T10] [ 3845.321760][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3845.321760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3845.321760][ T10] ipv6_find_idev+0x102/0x170 [ 3845.321760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.321760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.321760][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.321760][ T10] netlink_unicast+0x449/0x710 [ 3845.321760][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.321760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.321760][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.321760][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.321760][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.321760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.321760][ T10] [ 3845.323297][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3845.323297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3845.323297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3845.323297][ T10] ipv6_find_idev+0x102/0x170 [ 3845.323297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.323297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.323297][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.323297][ T10] netlink_unicast+0x449/0x710 [ 3845.323297][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.323297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.323297][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.323297][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.323297][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.323297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.323297][ T10] [ 3845.325023][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3845.325342][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3845.325342][ T10] netdev_get_by_index+0x5e/0x80 [ 3845.325342][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3845.325342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3845.325342][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3845.325342][ T10] ipv6_add_addr+0x411/0x2000 [ 3845.325342][ T10] inet6_addr_add+0x30e/0xa40 [ 3845.325342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.325342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.325342][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.325342][ T10] netlink_unicast+0x449/0x710 [ 3845.325342][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.325342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.325342][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.325342][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.325342][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.325342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.325342][ T10] [ 3845.327392][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3845.327392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3845.327392][ T10] ipv6_find_idev+0x102/0x170 [ 3845.327392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.327392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.327392][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.327392][ T10] netlink_unicast+0x449/0x710 [ 3845.327392][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.327392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.327392][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.327392][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.327392][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.327392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.327392][ T10] [ 3845.329167][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3845.329167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3845.329167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3845.329167][ T10] ipv6_find_idev+0x102/0x170 [ 3845.329167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.329167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.329167][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.329167][ T10] netlink_unicast+0x449/0x710 [ 3845.329167][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.329167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.329167][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.329167][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.329167][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.329167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.329167][ T10] [ 3845.331066][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3845.331398][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3845.331398][ T10] netdev_get_by_index+0x5e/0x80 [ 3845.331398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3845.331398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3845.331398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3845.331398][ T10] ipv6_add_addr+0x411/0x2000 [ 3845.331398][ T10] inet6_addr_add+0x30e/0xa40 [ 3845.331398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.331398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.331398][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.331398][ T10] netlink_unicast+0x449/0x710 [ 3845.331398][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.331398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.331398][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.331398][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.331398][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.331398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.331398][ T10] [ 3845.333567][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3845.333567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3845.333567][ T10] ipv6_find_idev+0x102/0x170 [ 3845.333567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.333567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.333567][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.333567][ T10] netlink_unicast+0x449/0x710 [ 3845.333567][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.333567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.333567][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.333567][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.333567][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.333567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.333567][ T10] [ 3845.335276][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3845.335276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3845.335276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3845.335276][ T10] ipv6_find_idev+0x102/0x170 [ 3845.335276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.335276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.335276][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.335276][ T10] netlink_unicast+0x449/0x710 [ 3845.335276][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.335276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.335276][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.335276][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.335276][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.335276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.335276][ T10] [ 3845.337195][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3845.337509][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3845.337509][ T10] netdev_get_by_index+0x5e/0x80 [ 3845.337509][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3845.337509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3845.337509][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3845.337509][ T10] ipv6_add_addr+0x411/0x2000 [ 3845.337509][ T10] inet6_addr_add+0x30e/0xa40 [ 3845.337509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.337509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.337509][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.337509][ T10] netlink_unicast+0x449/0x710 [ 3845.337509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.337509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.337509][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.337509][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.337509][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.337509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.337509][ T10] [ 3845.340062][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3845.340062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3845.340062][ T10] ipv6_find_idev+0x102/0x170 [ 3845.340062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.340062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.340062][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.340062][ T10] netlink_unicast+0x449/0x710 [ 3845.340062][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.340062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.340062][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.340062][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.340062][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.340062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.340062][ T10] [ 3845.341832][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3845.341832][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3845.341832][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3845.341832][ T10] ipv6_find_idev+0x102/0x170 [ 3845.341832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.341832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.341832][ T10] netlink_rcv_skb+0x130/0x360 [ 3845.341832][ T10] netlink_unicast+0x449/0x710 [ 3845.341832][ T10] netlink_sendmsg+0x723/0xbe0 [ 3845.341832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3845.341832][ T10] ___sys_sendmsg+0xee/0x170 [ 3845.341832][ T10] __sys_sendmsg+0xcd/0x170 [ 3845.341832][ T10] do_syscall_64+0xc6/0x1e0 [ 3845.341832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.341832][ T10] [ 3855.584185][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3855.584632][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3855.584632][ T10] netdev_get_by_index+0x5e/0x80 [ 3855.584632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3855.584632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3855.584632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3855.584632][ T10] ipv6_add_addr+0x411/0x2000 [ 3855.584632][ T10] inet6_addr_add+0x30e/0xa40 [ 3855.584632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.584632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.584632][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.584632][ T10] netlink_unicast+0x449/0x710 [ 3855.584632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.584632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.584632][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.584632][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.584632][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.584632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.584632][ T10] [ 3855.586625][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3855.586625][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3855.586625][ T10] ipv6_find_idev+0x102/0x170 [ 3855.586625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.586625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.586625][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.586625][ T10] netlink_unicast+0x449/0x710 [ 3855.586625][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.586625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.586625][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.586625][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.586625][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.586625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.586625][ T10] [ 3855.588183][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3855.588183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3855.588183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3855.588183][ T10] ipv6_find_idev+0x102/0x170 [ 3855.588183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.588183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.588183][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.588183][ T10] netlink_unicast+0x449/0x710 [ 3855.588183][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.588183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.588183][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.588183][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.588183][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.588183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.588183][ T10] [ 3855.589860][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3855.590122][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3855.590122][ T10] netdev_get_by_index+0x5e/0x80 [ 3855.590122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3855.590122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3855.590122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3855.590122][ T10] ipv6_add_addr+0x411/0x2000 [ 3855.590122][ T10] inet6_addr_add+0x30e/0xa40 [ 3855.590122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.590122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.590122][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.590122][ T10] netlink_unicast+0x449/0x710 [ 3855.590122][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.590122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.590122][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.590122][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.590122][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.590122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.590122][ T10] [ 3855.592108][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3855.592108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3855.592108][ T10] ipv6_find_idev+0x102/0x170 [ 3855.592108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.592108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.592108][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.592108][ T10] netlink_unicast+0x449/0x710 [ 3855.592108][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.592108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.592108][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.592108][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.592108][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.592108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.592108][ T10] [ 3855.593638][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3855.593638][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3855.593638][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3855.593638][ T10] ipv6_find_idev+0x102/0x170 [ 3855.593638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.593638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.593638][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.593638][ T10] netlink_unicast+0x449/0x710 [ 3855.593638][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.593638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.593638][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.593638][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.593638][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.593638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.593638][ T10] [ 3855.595294][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3855.595562][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3855.595562][ T10] netdev_get_by_index+0x5e/0x80 [ 3855.595562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3855.595562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3855.595562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3855.595562][ T10] ipv6_add_addr+0x411/0x2000 [ 3855.595562][ T10] inet6_addr_add+0x30e/0xa40 [ 3855.595562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.595562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.595562][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.595562][ T10] netlink_unicast+0x449/0x710 [ 3855.595562][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.595562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.595562][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.595562][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.595562][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.595562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.595562][ T10] [ 3855.597535][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3855.597535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3855.597535][ T10] ipv6_find_idev+0x102/0x170 [ 3855.597535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.597535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.597535][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.597535][ T10] netlink_unicast+0x449/0x710 [ 3855.597535][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.597535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.597535][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.597535][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.597535][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.597535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.597535][ T10] [ 3855.599049][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3855.599049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3855.599049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3855.599049][ T10] ipv6_find_idev+0x102/0x170 [ 3855.599049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.599049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.599049][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.599049][ T10] netlink_unicast+0x449/0x710 [ 3855.599049][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.599049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.599049][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.599049][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.599049][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.599049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.599049][ T10] [ 3855.600699][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3855.600959][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3855.600959][ T10] netdev_get_by_index+0x5e/0x80 [ 3855.600959][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3855.600959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3855.600959][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3855.600959][ T10] ipv6_add_addr+0x411/0x2000 [ 3855.600959][ T10] inet6_addr_add+0x30e/0xa40 [ 3855.600959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.600959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.600959][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.600959][ T10] netlink_unicast+0x449/0x710 [ 3855.600959][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.600959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.600959][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.600959][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.600959][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.600959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.600959][ T10] [ 3855.602938][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3855.602938][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3855.602938][ T10] ipv6_find_idev+0x102/0x170 [ 3855.602938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.602938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.602938][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.602938][ T10] netlink_unicast+0x449/0x710 [ 3855.602938][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.602938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.602938][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.602938][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.602938][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.602938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.602938][ T10] [ 3855.604451][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3855.604451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3855.604451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3855.604451][ T10] ipv6_find_idev+0x102/0x170 [ 3855.604451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.604451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.604451][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.604451][ T10] netlink_unicast+0x449/0x710 [ 3855.604451][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.604451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.604451][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.604451][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.604451][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.604451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.604451][ T10] [ 3855.606514][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3855.606786][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3855.606786][ T10] netdev_get_by_index+0x5e/0x80 [ 3855.606786][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3855.606786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3855.606786][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3855.606786][ T10] ipv6_add_addr+0x411/0x2000 [ 3855.606786][ T10] inet6_addr_add+0x30e/0xa40 [ 3855.606786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.606786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.606786][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.606786][ T10] netlink_unicast+0x449/0x710 [ 3855.606786][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.606786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.606786][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.606786][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.606786][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.606786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.606786][ T10] [ 3855.608737][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3855.608737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3855.608737][ T10] ipv6_find_idev+0x102/0x170 [ 3855.608737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.608737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.608737][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.608737][ T10] netlink_unicast+0x449/0x710 [ 3855.608737][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.608737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.608737][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.608737][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.608737][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.608737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.608737][ T10] [ 3855.610265][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3855.610265][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3855.610265][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3855.610265][ T10] ipv6_find_idev+0x102/0x170 [ 3855.610265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.610265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.610265][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.610265][ T10] netlink_unicast+0x449/0x710 [ 3855.610265][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.610265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.610265][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.610265][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.610265][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.610265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.610265][ T10] [ 3855.611962][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3855.612281][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3855.612281][ T10] netdev_get_by_index+0x5e/0x80 [ 3855.612281][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3855.612281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3855.612281][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3855.612281][ T10] ipv6_add_addr+0x411/0x2000 [ 3855.612281][ T10] inet6_addr_add+0x30e/0xa40 [ 3855.612281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.612281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.612281][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.612281][ T10] netlink_unicast+0x449/0x710 [ 3855.612281][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.612281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.612281][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.612281][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.612281][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.612281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.612281][ T10] [ 3855.614464][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3855.614464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3855.614464][ T10] ipv6_find_idev+0x102/0x170 [ 3855.614464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.614464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.614464][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.614464][ T10] netlink_unicast+0x449/0x710 [ 3855.614464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.614464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.614464][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.614464][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.614464][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.614464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.614464][ T10] [ 3855.616225][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3855.616225][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3855.616225][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3855.616225][ T10] ipv6_find_idev+0x102/0x170 [ 3855.616225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.616225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.616225][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.616225][ T10] netlink_unicast+0x449/0x710 [ 3855.616225][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.616225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.616225][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.616225][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.616225][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.616225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.616225][ T10] [ 3855.618129][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3855.618387][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3855.618387][ T10] netdev_get_by_index+0x5e/0x80 [ 3855.618387][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3855.618387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3855.618387][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3855.618387][ T10] ipv6_add_addr+0x411/0x2000 [ 3855.618387][ T10] inet6_addr_add+0x30e/0xa40 [ 3855.618387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.618387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.618387][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.618387][ T10] netlink_unicast+0x449/0x710 [ 3855.618387][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.618387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.618387][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.618387][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.618387][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.618387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.618387][ T10] [ 3855.620644][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3855.620644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3855.620644][ T10] ipv6_find_idev+0x102/0x170 [ 3855.620644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.620644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.620644][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.620644][ T10] netlink_unicast+0x449/0x710 [ 3855.620644][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.620644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.620644][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.620644][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.620644][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.620644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.620644][ T10] [ 3855.622332][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3855.622332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3855.622332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3855.622332][ T10] ipv6_find_idev+0x102/0x170 [ 3855.622332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.622332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.622332][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.622332][ T10] netlink_unicast+0x449/0x710 [ 3855.622332][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.622332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.622332][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.622332][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.622332][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.622332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.622332][ T10] [ 3855.624218][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3855.624479][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3855.624479][ T10] netdev_get_by_index+0x5e/0x80 [ 3855.624479][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3855.624479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3855.624479][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3855.624479][ T10] ipv6_add_addr+0x411/0x2000 [ 3855.624479][ T10] inet6_addr_add+0x30e/0xa40 [ 3855.624479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3855.624479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.624479][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.624479][ T10] netlink_unicast+0x449/0x710 [ 3855.624479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.624479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.624479][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.624479][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.624479][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.624479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.624479][ T10] [ 3855.626751][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3855.626751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3855.626751][ T10] ipv6_find_idev+0x102/0x170 [ 3855.626751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.626751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.626751][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.626751][ T10] netlink_unicast+0x449/0x710 [ 3855.626751][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.626751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.626751][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.626751][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.626751][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.626751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.626751][ T10] [ 3855.628462][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3855.628462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3855.628462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3855.628462][ T10] ipv6_find_idev+0x102/0x170 [ 3855.628462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3855.628462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3855.628462][ T10] netlink_rcv_skb+0x130/0x360 [ 3855.628462][ T10] netlink_unicast+0x449/0x710 [ 3855.628462][ T10] netlink_sendmsg+0x723/0xbe0 [ 3855.628462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3855.628462][ T10] ___sys_sendmsg+0xee/0x170 [ 3855.628462][ T10] __sys_sendmsg+0xcd/0x170 [ 3855.628462][ T10] do_syscall_64+0xc6/0x1e0 [ 3855.628462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3855.628462][ T10] [ 3865.816182][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3865.816789][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3865.816789][ T10] netdev_get_by_index+0x5e/0x80 [ 3865.816789][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3865.816789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3865.816789][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3865.816789][ T10] ipv6_add_addr+0x411/0x2000 [ 3865.816789][ T10] inet6_addr_add+0x30e/0xa40 [ 3865.816789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3865.816789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.816789][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.816789][ T10] netlink_unicast+0x449/0x710 [ 3865.816789][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.816789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.816789][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.816789][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.816789][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.816789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.816789][ T10] [ 3865.819941][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3865.819941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3865.819941][ T10] ipv6_find_idev+0x102/0x170 [ 3865.819941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.819941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.819941][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.819941][ T10] netlink_unicast+0x449/0x710 [ 3865.819941][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.819941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.819941][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.819941][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.819941][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.819941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.819941][ T10] [ 3865.822399][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3865.822399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3865.822399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3865.822399][ T10] ipv6_find_idev+0x102/0x170 [ 3865.822399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.822399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.822399][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.822399][ T10] netlink_unicast+0x449/0x710 [ 3865.822399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.822399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.822399][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.822399][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.822399][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.822399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.822399][ T10] [ 3865.825038][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3865.825497][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3865.825497][ T10] netdev_get_by_index+0x5e/0x80 [ 3865.825497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3865.825497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3865.825497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3865.825497][ T10] ipv6_add_addr+0x411/0x2000 [ 3865.825497][ T10] inet6_addr_add+0x30e/0xa40 [ 3865.825497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3865.825497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.825497][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.825497][ T10] netlink_unicast+0x449/0x710 [ 3865.825497][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.825497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.825497][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.825497][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.825497][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.825497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.825497][ T10] [ 3865.828598][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3865.828598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3865.828598][ T10] ipv6_find_idev+0x102/0x170 [ 3865.828598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.828598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.828598][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.828598][ T10] netlink_unicast+0x449/0x710 [ 3865.828598][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.828598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.828598][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.828598][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.828598][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.828598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.828598][ T10] [ 3865.831072][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3865.831072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3865.831072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3865.831072][ T10] ipv6_find_idev+0x102/0x170 [ 3865.831072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.831072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.831072][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.831072][ T10] netlink_unicast+0x449/0x710 [ 3865.831072][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.831072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.831072][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.831072][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.831072][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.831072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.831072][ T10] [ 3865.833749][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3865.834155][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3865.834155][ T10] netdev_get_by_index+0x5e/0x80 [ 3865.834155][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3865.834155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3865.834155][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3865.834155][ T10] ipv6_add_addr+0x411/0x2000 [ 3865.834155][ T10] inet6_addr_add+0x30e/0xa40 [ 3865.834155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3865.834155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.834155][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.834155][ T10] netlink_unicast+0x449/0x710 [ 3865.834155][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.834155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.834155][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.834155][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.834155][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.834155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.834155][ T10] [ 3865.837162][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3865.837162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3865.837162][ T10] ipv6_find_idev+0x102/0x170 [ 3865.837162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.837162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.837162][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.837162][ T10] netlink_unicast+0x449/0x710 [ 3865.837162][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.837162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.837162][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.837162][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.837162][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.837162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.837162][ T10] [ 3865.839432][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3865.839432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3865.839432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3865.839432][ T10] ipv6_find_idev+0x102/0x170 [ 3865.839432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.839432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.839432][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.839432][ T10] netlink_unicast+0x449/0x710 [ 3865.839432][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.839432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.839432][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.839432][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.839432][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.839432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.839432][ T10] [ 3865.842064][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3865.842799][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3865.842799][ T10] netdev_get_by_index+0x5e/0x80 [ 3865.842799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3865.842799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3865.842799][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3865.842799][ T10] ipv6_add_addr+0x411/0x2000 [ 3865.842799][ T10] inet6_addr_add+0x30e/0xa40 [ 3865.842799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3865.842799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.842799][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.842799][ T10] netlink_unicast+0x449/0x710 [ 3865.842799][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.842799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.842799][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.842799][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.842799][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.842799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.842799][ T10] [ 3865.845353][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3865.845353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3865.845353][ T10] ipv6_find_idev+0x102/0x170 [ 3865.845353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.845353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.845353][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.845353][ T10] netlink_unicast+0x449/0x710 [ 3865.845353][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.845353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.845353][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.845353][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.845353][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.845353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.845353][ T10] [ 3865.846904][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3865.846904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3865.846904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3865.846904][ T10] ipv6_find_idev+0x102/0x170 [ 3865.846904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.846904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.846904][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.846904][ T10] netlink_unicast+0x449/0x710 [ 3865.846904][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.846904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.846904][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.846904][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.846904][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.846904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.846904][ T10] [ 3865.848632][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3865.848897][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3865.848897][ T10] netdev_get_by_index+0x5e/0x80 [ 3865.848897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3865.848897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3865.848897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3865.848897][ T10] ipv6_add_addr+0x411/0x2000 [ 3865.848897][ T10] inet6_addr_add+0x30e/0xa40 [ 3865.848897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3865.848897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.848897][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.848897][ T10] netlink_unicast+0x449/0x710 [ 3865.848897][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.848897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.848897][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.848897][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.848897][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.848897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.848897][ T10] [ 3865.850910][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3865.850910][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3865.850910][ T10] ipv6_find_idev+0x102/0x170 [ 3865.850910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.850910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.850910][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.850910][ T10] netlink_unicast+0x449/0x710 [ 3865.850910][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.850910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.850910][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.850910][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.850910][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.850910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.850910][ T10] [ 3865.852429][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3865.852429][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3865.852429][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3865.852429][ T10] ipv6_find_idev+0x102/0x170 [ 3865.852429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.852429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.852429][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.852429][ T10] netlink_unicast+0x449/0x710 [ 3865.852429][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.852429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.852429][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.852429][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.852429][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.852429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.852429][ T10] [ 3865.854161][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3865.854426][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3865.854426][ T10] netdev_get_by_index+0x5e/0x80 [ 3865.854426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3865.854426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3865.854426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3865.854426][ T10] ipv6_add_addr+0x411/0x2000 [ 3865.854426][ T10] inet6_addr_add+0x30e/0xa40 [ 3865.854426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3865.854426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.854426][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.854426][ T10] netlink_unicast+0x449/0x710 [ 3865.854426][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.854426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.854426][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.854426][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.854426][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.854426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.854426][ T10] [ 3865.856524][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3865.856524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3865.856524][ T10] ipv6_find_idev+0x102/0x170 [ 3865.856524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.856524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.856524][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.856524][ T10] netlink_unicast+0x449/0x710 [ 3865.856524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.856524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.856524][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.856524][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.856524][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.856524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.856524][ T10] [ 3865.858317][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3865.858317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3865.858317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3865.858317][ T10] ipv6_find_idev+0x102/0x170 [ 3865.858317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.858317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.858317][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.858317][ T10] netlink_unicast+0x449/0x710 [ 3865.858317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.858317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.858317][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.858317][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.858317][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.858317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.858317][ T10] [ 3865.860485][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3865.860758][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3865.860758][ T10] netdev_get_by_index+0x5e/0x80 [ 3865.860758][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3865.860758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3865.860758][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3865.860758][ T10] ipv6_add_addr+0x411/0x2000 [ 3865.860758][ T10] inet6_addr_add+0x30e/0xa40 [ 3865.860758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3865.860758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.860758][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.860758][ T10] netlink_unicast+0x449/0x710 [ 3865.860758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.860758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.860758][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.860758][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.860758][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.860758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.860758][ T10] [ 3865.862928][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3865.862928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3865.862928][ T10] ipv6_find_idev+0x102/0x170 [ 3865.862928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.862928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.862928][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.862928][ T10] netlink_unicast+0x449/0x710 [ 3865.862928][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.862928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.862928][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.862928][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.862928][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.862928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.862928][ T10] [ 3865.864632][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3865.864632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3865.864632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3865.864632][ T10] ipv6_find_idev+0x102/0x170 [ 3865.864632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.864632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.864632][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.864632][ T10] netlink_unicast+0x449/0x710 [ 3865.864632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.864632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.864632][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.864632][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.864632][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.864632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.864632][ T10] [ 3865.866550][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3865.866826][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3865.866826][ T10] netdev_get_by_index+0x5e/0x80 [ 3865.866826][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3865.866826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3865.866826][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3865.866826][ T10] ipv6_add_addr+0x411/0x2000 [ 3865.866826][ T10] inet6_addr_add+0x30e/0xa40 [ 3865.866826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3865.866826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.866826][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.866826][ T10] netlink_unicast+0x449/0x710 [ 3865.866826][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.866826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.866826][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.866826][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.866826][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.866826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.866826][ T10] [ 3865.869125][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3865.869125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3865.869125][ T10] ipv6_find_idev+0x102/0x170 [ 3865.869125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.869125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.869125][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.869125][ T10] netlink_unicast+0x449/0x710 [ 3865.869125][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.869125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.869125][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.869125][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.869125][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.869125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.869125][ T10] [ 3865.870829][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3865.870829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3865.870829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3865.870829][ T10] ipv6_find_idev+0x102/0x170 [ 3865.870829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3865.870829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3865.870829][ T10] netlink_rcv_skb+0x130/0x360 [ 3865.870829][ T10] netlink_unicast+0x449/0x710 [ 3865.870829][ T10] netlink_sendmsg+0x723/0xbe0 [ 3865.870829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3865.870829][ T10] ___sys_sendmsg+0xee/0x170 [ 3865.870829][ T10] __sys_sendmsg+0xcd/0x170 [ 3865.870829][ T10] do_syscall_64+0xc6/0x1e0 [ 3865.870829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3865.870829][ T10] [ 3876.112242][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3876.112697][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3876.112697][ T10] netdev_get_by_index+0x5e/0x80 [ 3876.112697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3876.112697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3876.112697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3876.112697][ T10] ipv6_add_addr+0x411/0x2000 [ 3876.112697][ T10] inet6_addr_add+0x30e/0xa40 [ 3876.112697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.112697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.112697][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.112697][ T10] netlink_unicast+0x449/0x710 [ 3876.112697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.112697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.112697][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.112697][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.112697][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.112697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.112697][ T10] [ 3876.114867][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3876.114867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3876.114867][ T10] ipv6_find_idev+0x102/0x170 [ 3876.114867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.114867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.114867][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.114867][ T10] netlink_unicast+0x449/0x710 [ 3876.114867][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.114867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.114867][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.114867][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.114867][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.114867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.114867][ T10] [ 3876.116408][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3876.116408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3876.116408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3876.116408][ T10] ipv6_find_idev+0x102/0x170 [ 3876.116408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.116408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.116408][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.116408][ T10] netlink_unicast+0x449/0x710 [ 3876.116408][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.116408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.116408][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.116408][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.116408][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.116408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.116408][ T10] [ 3876.118125][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3876.118394][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3876.118394][ T10] netdev_get_by_index+0x5e/0x80 [ 3876.118394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3876.118394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3876.118394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3876.118394][ T10] ipv6_add_addr+0x411/0x2000 [ 3876.118394][ T10] inet6_addr_add+0x30e/0xa40 [ 3876.118394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.118394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.118394][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.118394][ T10] netlink_unicast+0x449/0x710 [ 3876.118394][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.118394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.118394][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.118394][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.118394][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.118394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.118394][ T10] [ 3876.120415][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3876.120415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3876.120415][ T10] ipv6_find_idev+0x102/0x170 [ 3876.120415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.120415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.120415][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.120415][ T10] netlink_unicast+0x449/0x710 [ 3876.120415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.120415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.120415][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.120415][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.120415][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.120415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.120415][ T10] [ 3876.121950][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3876.121950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3876.121950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3876.121950][ T10] ipv6_find_idev+0x102/0x170 [ 3876.121950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.121950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.121950][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.121950][ T10] netlink_unicast+0x449/0x710 [ 3876.121950][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.121950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.121950][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.121950][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.121950][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.121950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.121950][ T10] [ 3876.123669][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3876.123939][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3876.123939][ T10] netdev_get_by_index+0x5e/0x80 [ 3876.123939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3876.123939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3876.123939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3876.123939][ T10] ipv6_add_addr+0x411/0x2000 [ 3876.123939][ T10] inet6_addr_add+0x30e/0xa40 [ 3876.123939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.123939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.123939][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.123939][ T10] netlink_unicast+0x449/0x710 [ 3876.123939][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.123939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.123939][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.123939][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.123939][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.123939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.123939][ T10] [ 3876.125930][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3876.125930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3876.125930][ T10] ipv6_find_idev+0x102/0x170 [ 3876.125930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.125930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.125930][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.125930][ T10] netlink_unicast+0x449/0x710 [ 3876.125930][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.125930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.125930][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.125930][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.125930][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.125930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.125930][ T10] [ 3876.127468][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3876.127468][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3876.127468][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3876.127468][ T10] ipv6_find_idev+0x102/0x170 [ 3876.127468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.127468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.127468][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.127468][ T10] netlink_unicast+0x449/0x710 [ 3876.127468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.127468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.127468][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.127468][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.127468][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.127468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.127468][ T10] [ 3876.129158][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3876.129433][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3876.129433][ T10] netdev_get_by_index+0x5e/0x80 [ 3876.129433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3876.129433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3876.129433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3876.129433][ T10] ipv6_add_addr+0x411/0x2000 [ 3876.129433][ T10] inet6_addr_add+0x30e/0xa40 [ 3876.129433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.129433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.129433][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.129433][ T10] netlink_unicast+0x449/0x710 [ 3876.129433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.129433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.129433][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.129433][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.129433][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.129433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.129433][ T10] [ 3876.131424][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3876.131424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3876.131424][ T10] ipv6_find_idev+0x102/0x170 [ 3876.131424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.131424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.131424][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.131424][ T10] netlink_unicast+0x449/0x710 [ 3876.131424][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.131424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.131424][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.131424][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.131424][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.131424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.131424][ T10] [ 3876.132981][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3876.132981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3876.132981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3876.132981][ T10] ipv6_find_idev+0x102/0x170 [ 3876.132981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.132981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.132981][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.132981][ T10] netlink_unicast+0x449/0x710 [ 3876.132981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.132981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.132981][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.132981][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.132981][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.132981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.132981][ T10] [ 3876.135070][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3876.135676][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3876.135676][ T10] netdev_get_by_index+0x5e/0x80 [ 3876.135676][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3876.135676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3876.135676][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3876.135676][ T10] ipv6_add_addr+0x411/0x2000 [ 3876.135676][ T10] inet6_addr_add+0x30e/0xa40 [ 3876.135676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.135676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.135676][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.135676][ T10] netlink_unicast+0x449/0x710 [ 3876.135676][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.135676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.135676][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.135676][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.135676][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.135676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.135676][ T10] [ 3876.137677][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3876.137677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3876.137677][ T10] ipv6_find_idev+0x102/0x170 [ 3876.137677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.137677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.137677][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.137677][ T10] netlink_unicast+0x449/0x710 [ 3876.137677][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.137677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.137677][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.137677][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.137677][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.137677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.137677][ T10] [ 3876.139221][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3876.139221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3876.139221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3876.139221][ T10] ipv6_find_idev+0x102/0x170 [ 3876.139221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.139221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.139221][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.139221][ T10] netlink_unicast+0x449/0x710 [ 3876.139221][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.139221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.139221][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.139221][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.139221][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.139221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.139221][ T10] [ 3876.140910][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3876.141231][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3876.141231][ T10] netdev_get_by_index+0x5e/0x80 [ 3876.141231][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3876.141231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3876.141231][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3876.141231][ T10] ipv6_add_addr+0x411/0x2000 [ 3876.141231][ T10] inet6_addr_add+0x30e/0xa40 [ 3876.141231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.141231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.141231][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.141231][ T10] netlink_unicast+0x449/0x710 [ 3876.141231][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.141231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.141231][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.141231][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.141231][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.141231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.141231][ T10] [ 3876.143221][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3876.143221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3876.143221][ T10] ipv6_find_idev+0x102/0x170 [ 3876.143221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.143221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.143221][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.143221][ T10] netlink_unicast+0x449/0x710 [ 3876.143221][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.143221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.143221][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.143221][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.143221][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.143221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.143221][ T10] [ 3876.144810][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3876.144810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3876.144810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3876.144810][ T10] ipv6_find_idev+0x102/0x170 [ 3876.144810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.144810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.144810][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.144810][ T10] netlink_unicast+0x449/0x710 [ 3876.144810][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.144810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.144810][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.144810][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.144810][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.144810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.144810][ T10] [ 3876.146773][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3876.147078][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3876.147078][ T10] netdev_get_by_index+0x5e/0x80 [ 3876.147078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3876.147078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3876.147078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3876.147078][ T10] ipv6_add_addr+0x411/0x2000 [ 3876.147078][ T10] inet6_addr_add+0x30e/0xa40 [ 3876.147078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.147078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.147078][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.147078][ T10] netlink_unicast+0x449/0x710 [ 3876.147078][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.147078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.147078][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.147078][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.147078][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.147078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.147078][ T10] [ 3876.149248][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3876.149248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3876.149248][ T10] ipv6_find_idev+0x102/0x170 [ 3876.149248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.149248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.149248][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.149248][ T10] netlink_unicast+0x449/0x710 [ 3876.149248][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.149248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.149248][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.149248][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.149248][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.149248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.149248][ T10] [ 3876.150952][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3876.150952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3876.150952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3876.150952][ T10] ipv6_find_idev+0x102/0x170 [ 3876.150952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.150952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.150952][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.150952][ T10] netlink_unicast+0x449/0x710 [ 3876.150952][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.150952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.150952][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.150952][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.150952][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.150952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.150952][ T10] [ 3876.152857][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3876.153182][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3876.153182][ T10] netdev_get_by_index+0x5e/0x80 [ 3876.153182][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3876.153182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3876.153182][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3876.153182][ T10] ipv6_add_addr+0x411/0x2000 [ 3876.153182][ T10] inet6_addr_add+0x30e/0xa40 [ 3876.153182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.153182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.153182][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.153182][ T10] netlink_unicast+0x449/0x710 [ 3876.153182][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.153182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.153182][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.153182][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.153182][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.153182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.153182][ T10] [ 3876.155348][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3876.155348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3876.155348][ T10] ipv6_find_idev+0x102/0x170 [ 3876.155348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.155348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.155348][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.155348][ T10] netlink_unicast+0x449/0x710 [ 3876.155348][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.155348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.155348][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.155348][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.155348][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.155348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.155348][ T10] [ 3876.157057][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3876.157057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3876.157057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3876.157057][ T10] ipv6_find_idev+0x102/0x170 [ 3876.157057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.157057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.157057][ T10] netlink_rcv_skb+0x130/0x360 [ 3876.157057][ T10] netlink_unicast+0x449/0x710 [ 3876.157057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3876.157057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3876.157057][ T10] ___sys_sendmsg+0xee/0x170 [ 3876.157057][ T10] __sys_sendmsg+0xcd/0x170 [ 3876.157057][ T10] do_syscall_64+0xc6/0x1e0 [ 3876.157057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.157057][ T10] [ 3886.400213][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3886.400665][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3886.400665][ T10] netdev_get_by_index+0x5e/0x80 [ 3886.400665][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3886.400665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3886.400665][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3886.400665][ T10] ipv6_add_addr+0x411/0x2000 [ 3886.400665][ T10] inet6_addr_add+0x30e/0xa40 [ 3886.400665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.400665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.400665][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.400665][ T10] netlink_unicast+0x449/0x710 [ 3886.400665][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.400665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.400665][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.400665][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.400665][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.400665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.400665][ T10] [ 3886.402672][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3886.402672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3886.402672][ T10] ipv6_find_idev+0x102/0x170 [ 3886.402672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.402672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.402672][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.402672][ T10] netlink_unicast+0x449/0x710 [ 3886.402672][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.402672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.402672][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.402672][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.402672][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.402672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.402672][ T10] [ 3886.404211][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3886.404211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3886.404211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3886.404211][ T10] ipv6_find_idev+0x102/0x170 [ 3886.404211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.404211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.404211][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.404211][ T10] netlink_unicast+0x449/0x710 [ 3886.404211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.404211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.404211][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.404211][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.404211][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.404211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.404211][ T10] [ 3886.405906][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3886.406199][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3886.406199][ T10] netdev_get_by_index+0x5e/0x80 [ 3886.406199][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3886.406199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3886.406199][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3886.406199][ T10] ipv6_add_addr+0x411/0x2000 [ 3886.406199][ T10] inet6_addr_add+0x30e/0xa40 [ 3886.406199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.406199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.406199][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.406199][ T10] netlink_unicast+0x449/0x710 [ 3886.406199][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.406199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.406199][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.406199][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.406199][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.406199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.406199][ T10] [ 3886.408211][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3886.408211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3886.408211][ T10] ipv6_find_idev+0x102/0x170 [ 3886.408211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.408211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.408211][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.408211][ T10] netlink_unicast+0x449/0x710 [ 3886.408211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.408211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.408211][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.408211][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.408211][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.408211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.408211][ T10] [ 3886.409837][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3886.409837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3886.409837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3886.409837][ T10] ipv6_find_idev+0x102/0x170 [ 3886.409837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.409837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.409837][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.409837][ T10] netlink_unicast+0x449/0x710 [ 3886.409837][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.409837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.409837][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.409837][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.409837][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.409837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.409837][ T10] [ 3886.411526][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3886.411792][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3886.411792][ T10] netdev_get_by_index+0x5e/0x80 [ 3886.411792][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3886.411792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3886.411792][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3886.411792][ T10] ipv6_add_addr+0x411/0x2000 [ 3886.411792][ T10] inet6_addr_add+0x30e/0xa40 [ 3886.411792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.411792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.411792][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.411792][ T10] netlink_unicast+0x449/0x710 [ 3886.411792][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.411792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.411792][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.411792][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.411792][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.411792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.411792][ T10] [ 3886.413779][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3886.413779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3886.413779][ T10] ipv6_find_idev+0x102/0x170 [ 3886.413779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.413779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.413779][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.413779][ T10] netlink_unicast+0x449/0x710 [ 3886.413779][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.413779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.413779][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.413779][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.413779][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.413779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.413779][ T10] [ 3886.415309][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3886.415309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3886.415309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3886.415309][ T10] ipv6_find_idev+0x102/0x170 [ 3886.415309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.415309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.415309][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.415309][ T10] netlink_unicast+0x449/0x710 [ 3886.415309][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.415309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.415309][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.415309][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.415309][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.415309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.415309][ T10] [ 3886.417000][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3886.417700][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3886.417700][ T10] netdev_get_by_index+0x5e/0x80 [ 3886.417700][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3886.417700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3886.417700][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3886.417700][ T10] ipv6_add_addr+0x411/0x2000 [ 3886.417700][ T10] inet6_addr_add+0x30e/0xa40 [ 3886.417700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.417700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.417700][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.417700][ T10] netlink_unicast+0x449/0x710 [ 3886.417700][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.417700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.417700][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.417700][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.417700][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.417700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.417700][ T10] [ 3886.419675][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3886.419675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3886.419675][ T10] ipv6_find_idev+0x102/0x170 [ 3886.419675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.419675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.419675][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.419675][ T10] netlink_unicast+0x449/0x710 [ 3886.419675][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.419675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.419675][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.419675][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.419675][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.419675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.419675][ T10] [ 3886.421212][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3886.421212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3886.421212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3886.421212][ T10] ipv6_find_idev+0x102/0x170 [ 3886.421212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.421212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.421212][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.421212][ T10] netlink_unicast+0x449/0x710 [ 3886.421212][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.421212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.421212][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.421212][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.421212][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.421212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.421212][ T10] [ 3886.422931][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3886.423254][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3886.423254][ T10] netdev_get_by_index+0x5e/0x80 [ 3886.423254][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3886.423254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3886.423254][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3886.423254][ T10] ipv6_add_addr+0x411/0x2000 [ 3886.423254][ T10] inet6_addr_add+0x30e/0xa40 [ 3886.423254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.423254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.423254][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.423254][ T10] netlink_unicast+0x449/0x710 [ 3886.423254][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.423254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.423254][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.423254][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.423254][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.423254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.423254][ T10] [ 3886.425251][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3886.425251][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3886.425251][ T10] ipv6_find_idev+0x102/0x170 [ 3886.425251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.425251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.425251][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.425251][ T10] netlink_unicast+0x449/0x710 [ 3886.425251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.425251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.425251][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.425251][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.425251][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.425251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.425251][ T10] [ 3886.426787][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3886.426787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3886.426787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3886.426787][ T10] ipv6_find_idev+0x102/0x170 [ 3886.426787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.426787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.426787][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.426787][ T10] netlink_unicast+0x449/0x710 [ 3886.426787][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.426787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.426787][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.426787][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.426787][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.426787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.426787][ T10] [ 3886.428502][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3886.428822][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3886.428822][ T10] netdev_get_by_index+0x5e/0x80 [ 3886.428822][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3886.428822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3886.428822][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3886.428822][ T10] ipv6_add_addr+0x411/0x2000 [ 3886.428822][ T10] inet6_addr_add+0x30e/0xa40 [ 3886.428822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.428822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.428822][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.428822][ T10] netlink_unicast+0x449/0x710 [ 3886.428822][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.428822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.428822][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.428822][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.428822][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.428822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.428822][ T10] [ 3886.430874][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3886.430874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3886.430874][ T10] ipv6_find_idev+0x102/0x170 [ 3886.430874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.430874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.430874][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.430874][ T10] netlink_unicast+0x449/0x710 [ 3886.430874][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.430874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.430874][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.430874][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.430874][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.430874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.430874][ T10] [ 3886.432593][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3886.432593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3886.432593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3886.432593][ T10] ipv6_find_idev+0x102/0x170 [ 3886.432593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.432593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.432593][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.432593][ T10] netlink_unicast+0x449/0x710 [ 3886.432593][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.432593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.432593][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.432593][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.432593][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.432593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.432593][ T10] [ 3886.434379][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3886.434685][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3886.434685][ T10] netdev_get_by_index+0x5e/0x80 [ 3886.434685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3886.434685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3886.434685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3886.434685][ T10] ipv6_add_addr+0x411/0x2000 [ 3886.434685][ T10] inet6_addr_add+0x30e/0xa40 [ 3886.434685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.434685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.434685][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.434685][ T10] netlink_unicast+0x449/0x710 [ 3886.434685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.434685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.434685][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.434685][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.434685][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.434685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.434685][ T10] [ 3886.436801][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3886.436801][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3886.436801][ T10] ipv6_find_idev+0x102/0x170 [ 3886.436801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.436801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.436801][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.436801][ T10] netlink_unicast+0x449/0x710 [ 3886.436801][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.436801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.436801][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.436801][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.436801][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.436801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.436801][ T10] [ 3886.438388][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3886.438388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3886.438388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3886.438388][ T10] ipv6_find_idev+0x102/0x170 [ 3886.438388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.438388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.438388][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.438388][ T10] netlink_unicast+0x449/0x710 [ 3886.438388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.438388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.438388][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.438388][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.438388][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.438388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.438388][ T10] [ 3886.440216][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3886.440532][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3886.440532][ T10] netdev_get_by_index+0x5e/0x80 [ 3886.440532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3886.440532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3886.440532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3886.440532][ T10] ipv6_add_addr+0x411/0x2000 [ 3886.440532][ T10] inet6_addr_add+0x30e/0xa40 [ 3886.440532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.440532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.440532][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.440532][ T10] netlink_unicast+0x449/0x710 [ 3886.440532][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.440532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.440532][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.440532][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.440532][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.440532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.440532][ T10] [ 3886.442582][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3886.442582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3886.442582][ T10] ipv6_find_idev+0x102/0x170 [ 3886.442582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.442582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.442582][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.442582][ T10] netlink_unicast+0x449/0x710 [ 3886.442582][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.442582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.442582][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.442582][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.442582][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.442582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.442582][ T10] [ 3886.444243][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3886.444243][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3886.444243][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3886.444243][ T10] ipv6_find_idev+0x102/0x170 [ 3886.444243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.444243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.444243][ T10] netlink_rcv_skb+0x130/0x360 [ 3886.444243][ T10] netlink_unicast+0x449/0x710 [ 3886.444243][ T10] netlink_sendmsg+0x723/0xbe0 [ 3886.444243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3886.444243][ T10] ___sys_sendmsg+0xee/0x170 [ 3886.444243][ T10] __sys_sendmsg+0xcd/0x170 [ 3886.444243][ T10] do_syscall_64+0xc6/0x1e0 [ 3886.444243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.444243][ T10] [ 3896.688214][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3896.688679][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3896.688679][ T10] netdev_get_by_index+0x5e/0x80 [ 3896.688679][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3896.688679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3896.688679][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3896.688679][ T10] ipv6_add_addr+0x411/0x2000 [ 3896.688679][ T10] inet6_addr_add+0x30e/0xa40 [ 3896.688679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.688679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.688679][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.688679][ T10] netlink_unicast+0x449/0x710 [ 3896.688679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.688679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.688679][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.688679][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.688679][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.688679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.688679][ T10] [ 3896.690691][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3896.690691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3896.690691][ T10] ipv6_find_idev+0x102/0x170 [ 3896.690691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.690691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.690691][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.690691][ T10] netlink_unicast+0x449/0x710 [ 3896.690691][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.690691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.690691][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.690691][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.690691][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.690691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.690691][ T10] [ 3896.692248][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3896.692248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3896.692248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3896.692248][ T10] ipv6_find_idev+0x102/0x170 [ 3896.692248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.692248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.692248][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.692248][ T10] netlink_unicast+0x449/0x710 [ 3896.692248][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.692248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.692248][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.692248][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.692248][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.692248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.692248][ T10] [ 3896.693944][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3896.694234][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3896.694234][ T10] netdev_get_by_index+0x5e/0x80 [ 3896.694234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3896.694234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3896.694234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3896.694234][ T10] ipv6_add_addr+0x411/0x2000 [ 3896.694234][ T10] inet6_addr_add+0x30e/0xa40 [ 3896.694234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.694234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.694234][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.694234][ T10] netlink_unicast+0x449/0x710 [ 3896.694234][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.694234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.694234][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.694234][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.694234][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.694234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.694234][ T10] [ 3896.696230][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3896.696230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3896.696230][ T10] ipv6_find_idev+0x102/0x170 [ 3896.696230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.696230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.696230][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.696230][ T10] netlink_unicast+0x449/0x710 [ 3896.696230][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.696230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.696230][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.696230][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.696230][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.696230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.696230][ T10] [ 3896.697779][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3896.697779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3896.697779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3896.697779][ T10] ipv6_find_idev+0x102/0x170 [ 3896.697779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.697779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.697779][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.697779][ T10] netlink_unicast+0x449/0x710 [ 3896.697779][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.697779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.697779][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.697779][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.697779][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.697779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.697779][ T10] [ 3896.699462][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3896.699736][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3896.699736][ T10] netdev_get_by_index+0x5e/0x80 [ 3896.699736][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3896.699736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3896.699736][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3896.699736][ T10] ipv6_add_addr+0x411/0x2000 [ 3896.699736][ T10] inet6_addr_add+0x30e/0xa40 [ 3896.699736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.699736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.699736][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.699736][ T10] netlink_unicast+0x449/0x710 [ 3896.699736][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.699736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.699736][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.699736][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.699736][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.699736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.699736][ T10] [ 3896.701727][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3896.701727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3896.701727][ T10] ipv6_find_idev+0x102/0x170 [ 3896.701727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.701727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.701727][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.701727][ T10] netlink_unicast+0x449/0x710 [ 3896.701727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.701727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.701727][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.701727][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.701727][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.701727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.701727][ T10] [ 3896.703272][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3896.703272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3896.703272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3896.703272][ T10] ipv6_find_idev+0x102/0x170 [ 3896.703272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.703272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.703272][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.703272][ T10] netlink_unicast+0x449/0x710 [ 3896.703272][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.703272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.703272][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.703272][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.703272][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.703272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.703272][ T10] [ 3896.704962][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3896.705659][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3896.705659][ T10] netdev_get_by_index+0x5e/0x80 [ 3896.705659][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3896.705659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3896.705659][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3896.705659][ T10] ipv6_add_addr+0x411/0x2000 [ 3896.705659][ T10] inet6_addr_add+0x30e/0xa40 [ 3896.705659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.705659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.705659][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.705659][ T10] netlink_unicast+0x449/0x710 [ 3896.705659][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.705659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.705659][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.705659][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.705659][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.705659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.705659][ T10] [ 3896.707662][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3896.707662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3896.707662][ T10] ipv6_find_idev+0x102/0x170 [ 3896.707662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.707662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.707662][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.707662][ T10] netlink_unicast+0x449/0x710 [ 3896.707662][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.707662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.707662][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.707662][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.707662][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.707662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.707662][ T10] [ 3896.709182][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3896.709182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3896.709182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3896.709182][ T10] ipv6_find_idev+0x102/0x170 [ 3896.709182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.709182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.709182][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.709182][ T10] netlink_unicast+0x449/0x710 [ 3896.709182][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.709182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.709182][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.709182][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.709182][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.709182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.709182][ T10] [ 3896.710902][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3896.711222][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3896.711222][ T10] netdev_get_by_index+0x5e/0x80 [ 3896.711222][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3896.711222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3896.711222][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3896.711222][ T10] ipv6_add_addr+0x411/0x2000 [ 3896.711222][ T10] inet6_addr_add+0x30e/0xa40 [ 3896.711222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.711222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.711222][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.711222][ T10] netlink_unicast+0x449/0x710 [ 3896.711222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.711222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.711222][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.711222][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.711222][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.711222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.711222][ T10] [ 3896.713216][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3896.713216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3896.713216][ T10] ipv6_find_idev+0x102/0x170 [ 3896.713216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.713216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.713216][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.713216][ T10] netlink_unicast+0x449/0x710 [ 3896.713216][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.713216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.713216][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.713216][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.713216][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.713216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.713216][ T10] [ 3896.714758][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3896.714758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3896.714758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3896.714758][ T10] ipv6_find_idev+0x102/0x170 [ 3896.714758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.714758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.714758][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.714758][ T10] netlink_unicast+0x449/0x710 [ 3896.714758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.714758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.714758][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.714758][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.714758][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.714758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.714758][ T10] [ 3896.716603][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3896.716932][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3896.716932][ T10] netdev_get_by_index+0x5e/0x80 [ 3896.716932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3896.716932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3896.716932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3896.716932][ T10] ipv6_add_addr+0x411/0x2000 [ 3896.716932][ T10] inet6_addr_add+0x30e/0xa40 [ 3896.716932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.716932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.716932][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.716932][ T10] netlink_unicast+0x449/0x710 [ 3896.716932][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.716932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.716932][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.716932][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.716932][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.716932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.716932][ T10] [ 3896.718982][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3896.718982][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3896.718982][ T10] ipv6_find_idev+0x102/0x170 [ 3896.718982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.718982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.718982][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.718982][ T10] netlink_unicast+0x449/0x710 [ 3896.718982][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.718982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.718982][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.718982][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.718982][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.718982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.718982][ T10] [ 3896.720697][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3896.720697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3896.720697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3896.720697][ T10] ipv6_find_idev+0x102/0x170 [ 3896.720697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.720697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.720697][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.720697][ T10] netlink_unicast+0x449/0x710 [ 3896.720697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.720697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.720697][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.720697][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.720697][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.720697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.720697][ T10] [ 3896.722596][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3896.722906][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3896.722906][ T10] netdev_get_by_index+0x5e/0x80 [ 3896.722906][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3896.722906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3896.722906][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3896.722906][ T10] ipv6_add_addr+0x411/0x2000 [ 3896.722906][ T10] inet6_addr_add+0x30e/0xa40 [ 3896.722906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.722906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.722906][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.722906][ T10] netlink_unicast+0x449/0x710 [ 3896.722906][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.722906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.722906][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.722906][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.722906][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.722906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.722906][ T10] [ 3896.725125][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3896.725125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3896.725125][ T10] ipv6_find_idev+0x102/0x170 [ 3896.725125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.725125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.725125][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.725125][ T10] netlink_unicast+0x449/0x710 [ 3896.725125][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.725125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.725125][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.725125][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.725125][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.725125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.725125][ T10] [ 3896.726838][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3896.726838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3896.726838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3896.726838][ T10] ipv6_find_idev+0x102/0x170 [ 3896.726838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.726838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.726838][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.726838][ T10] netlink_unicast+0x449/0x710 [ 3896.726838][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.726838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.726838][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.726838][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.726838][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.726838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.726838][ T10] [ 3896.728736][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3896.729051][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3896.729051][ T10] netdev_get_by_index+0x5e/0x80 [ 3896.729051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3896.729051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3896.729051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3896.729051][ T10] ipv6_add_addr+0x411/0x2000 [ 3896.729051][ T10] inet6_addr_add+0x30e/0xa40 [ 3896.729051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.729051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.729051][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.729051][ T10] netlink_unicast+0x449/0x710 [ 3896.729051][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.729051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.729051][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.729051][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.729051][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.729051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.729051][ T10] [ 3896.731231][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3896.731231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3896.731231][ T10] ipv6_find_idev+0x102/0x170 [ 3896.731231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.731231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.731231][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.731231][ T10] netlink_unicast+0x449/0x710 [ 3896.731231][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.731231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.731231][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.731231][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.731231][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.731231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.731231][ T10] [ 3896.732937][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3896.732937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3896.732937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3896.732937][ T10] ipv6_find_idev+0x102/0x170 [ 3896.732937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.732937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.732937][ T10] netlink_rcv_skb+0x130/0x360 [ 3896.732937][ T10] netlink_unicast+0x449/0x710 [ 3896.732937][ T10] netlink_sendmsg+0x723/0xbe0 [ 3896.732937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3896.732937][ T10] ___sys_sendmsg+0xee/0x170 [ 3896.732937][ T10] __sys_sendmsg+0xcd/0x170 [ 3896.732937][ T10] do_syscall_64+0xc6/0x1e0 [ 3896.732937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.732937][ T10] [ 3906.976234][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3906.976693][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3906.976693][ T10] netdev_get_by_index+0x5e/0x80 [ 3906.976693][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3906.976693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3906.976693][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3906.976693][ T10] ipv6_add_addr+0x411/0x2000 [ 3906.976693][ T10] inet6_addr_add+0x30e/0xa40 [ 3906.976693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3906.976693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.976693][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.976693][ T10] netlink_unicast+0x449/0x710 [ 3906.976693][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.976693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.976693][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.976693][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.976693][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.976693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.976693][ T10] [ 3906.978710][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3906.978710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3906.978710][ T10] ipv6_find_idev+0x102/0x170 [ 3906.978710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3906.978710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.978710][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.978710][ T10] netlink_unicast+0x449/0x710 [ 3906.978710][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.978710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.978710][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.978710][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.978710][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.978710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.978710][ T10] [ 3906.980262][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3906.980262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3906.980262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3906.980262][ T10] ipv6_find_idev+0x102/0x170 [ 3906.980262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3906.980262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.980262][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.980262][ T10] netlink_unicast+0x449/0x710 [ 3906.980262][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.980262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.980262][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.980262][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.980262][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.980262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.980262][ T10] [ 3906.981959][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3906.982243][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3906.982243][ T10] netdev_get_by_index+0x5e/0x80 [ 3906.982243][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3906.982243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3906.982243][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3906.982243][ T10] ipv6_add_addr+0x411/0x2000 [ 3906.982243][ T10] inet6_addr_add+0x30e/0xa40 [ 3906.982243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3906.982243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.982243][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.982243][ T10] netlink_unicast+0x449/0x710 [ 3906.982243][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.982243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.982243][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.982243][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.982243][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.982243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.982243][ T10] [ 3906.984258][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3906.984258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3906.984258][ T10] ipv6_find_idev+0x102/0x170 [ 3906.984258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3906.984258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.984258][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.984258][ T10] netlink_unicast+0x449/0x710 [ 3906.984258][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.984258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.984258][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.984258][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.984258][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.984258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.984258][ T10] [ 3906.985796][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3906.985796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3906.985796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3906.985796][ T10] ipv6_find_idev+0x102/0x170 [ 3906.985796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3906.985796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.985796][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.985796][ T10] netlink_unicast+0x449/0x710 [ 3906.985796][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.985796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.985796][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.985796][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.985796][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.985796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.985796][ T10] [ 3906.987490][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3906.987767][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3906.987767][ T10] netdev_get_by_index+0x5e/0x80 [ 3906.987767][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3906.987767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3906.987767][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3906.987767][ T10] ipv6_add_addr+0x411/0x2000 [ 3906.987767][ T10] inet6_addr_add+0x30e/0xa40 [ 3906.987767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3906.987767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.987767][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.987767][ T10] netlink_unicast+0x449/0x710 [ 3906.987767][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.987767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.987767][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.987767][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.987767][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.987767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.987767][ T10] [ 3906.989762][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3906.989762][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3906.989762][ T10] ipv6_find_idev+0x102/0x170 [ 3906.989762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3906.989762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.989762][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.989762][ T10] netlink_unicast+0x449/0x710 [ 3906.989762][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.989762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.989762][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.989762][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.989762][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.989762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.989762][ T10] [ 3906.991294][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3906.991294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3906.991294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3906.991294][ T10] ipv6_find_idev+0x102/0x170 [ 3906.991294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3906.991294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.991294][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.991294][ T10] netlink_unicast+0x449/0x710 [ 3906.991294][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.991294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.991294][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.991294][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.991294][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.991294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.991294][ T10] [ 3906.993489][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3906.993751][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3906.993751][ T10] netdev_get_by_index+0x5e/0x80 [ 3906.993751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3906.993751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3906.993751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3906.993751][ T10] ipv6_add_addr+0x411/0x2000 [ 3906.993751][ T10] inet6_addr_add+0x30e/0xa40 [ 3906.993751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3906.993751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.993751][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.993751][ T10] netlink_unicast+0x449/0x710 [ 3906.993751][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.993751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.993751][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.993751][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.993751][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.993751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.993751][ T10] [ 3906.995746][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3906.995746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3906.995746][ T10] ipv6_find_idev+0x102/0x170 [ 3906.995746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3906.995746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.995746][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.995746][ T10] netlink_unicast+0x449/0x710 [ 3906.995746][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.995746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.995746][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.995746][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.995746][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.995746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.995746][ T10] [ 3906.997286][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3906.997286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3906.997286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3906.997286][ T10] ipv6_find_idev+0x102/0x170 [ 3906.997286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3906.997286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.997286][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.997286][ T10] netlink_unicast+0x449/0x710 [ 3906.997286][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.997286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.997286][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.997286][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.997286][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.997286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.997286][ T10] [ 3906.999376][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3906.999970][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3906.999970][ T10] netdev_get_by_index+0x5e/0x80 [ 3906.999970][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3906.999970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3906.999970][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3906.999970][ T10] ipv6_add_addr+0x411/0x2000 [ 3906.999970][ T10] inet6_addr_add+0x30e/0xa40 [ 3906.999970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3906.999970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3906.999970][ T10] netlink_rcv_skb+0x130/0x360 [ 3906.999970][ T10] netlink_unicast+0x449/0x710 [ 3906.999970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3906.999970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3906.999970][ T10] ___sys_sendmsg+0xee/0x170 [ 3906.999970][ T10] __sys_sendmsg+0xcd/0x170 [ 3906.999970][ T10] do_syscall_64+0xc6/0x1e0 [ 3906.999970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3906.999970][ T10] [ 3907.001953][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3907.001953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3907.001953][ T10] ipv6_find_idev+0x102/0x170 [ 3907.001953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.001953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.001953][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.001953][ T10] netlink_unicast+0x449/0x710 [ 3907.001953][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.001953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.001953][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.001953][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.001953][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.001953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.001953][ T10] [ 3907.003498][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3907.003498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3907.003498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3907.003498][ T10] ipv6_find_idev+0x102/0x170 [ 3907.003498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.003498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.003498][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.003498][ T10] netlink_unicast+0x449/0x710 [ 3907.003498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.003498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.003498][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.003498][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.003498][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.003498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.003498][ T10] [ 3907.005176][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3907.005444][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3907.005444][ T10] netdev_get_by_index+0x5e/0x80 [ 3907.005444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3907.005444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3907.005444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3907.005444][ T10] ipv6_add_addr+0x411/0x2000 [ 3907.005444][ T10] inet6_addr_add+0x30e/0xa40 [ 3907.005444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.005444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.005444][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.005444][ T10] netlink_unicast+0x449/0x710 [ 3907.005444][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.005444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.005444][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.005444][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.005444][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.005444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.005444][ T10] [ 3907.007437][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3907.007437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3907.007437][ T10] ipv6_find_idev+0x102/0x170 [ 3907.007437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.007437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.007437][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.007437][ T10] netlink_unicast+0x449/0x710 [ 3907.007437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.007437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.007437][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.007437][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.007437][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.007437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.007437][ T10] [ 3907.009415][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3907.009415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3907.009415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3907.009415][ T10] ipv6_find_idev+0x102/0x170 [ 3907.009415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.009415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.009415][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.009415][ T10] netlink_unicast+0x449/0x710 [ 3907.009415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.009415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.009415][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.009415][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.009415][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.009415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.009415][ T10] [ 3907.011447][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3907.011759][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3907.011759][ T10] netdev_get_by_index+0x5e/0x80 [ 3907.011759][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3907.011759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3907.011759][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3907.011759][ T10] ipv6_add_addr+0x411/0x2000 [ 3907.011759][ T10] inet6_addr_add+0x30e/0xa40 [ 3907.011759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.011759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.011759][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.011759][ T10] netlink_unicast+0x449/0x710 [ 3907.011759][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.011759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.011759][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.011759][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.011759][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.011759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.011759][ T10] [ 3907.013923][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3907.013923][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3907.013923][ T10] ipv6_find_idev+0x102/0x170 [ 3907.013923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.013923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.013923][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.013923][ T10] netlink_unicast+0x449/0x710 [ 3907.013923][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.013923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.013923][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.013923][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.013923][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.013923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.013923][ T10] [ 3907.015637][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3907.015637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3907.015637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3907.015637][ T10] ipv6_find_idev+0x102/0x170 [ 3907.015637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.015637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.015637][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.015637][ T10] netlink_unicast+0x449/0x710 [ 3907.015637][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.015637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.015637][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.015637][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.015637][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.015637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.015637][ T10] [ 3907.017578][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3907.017887][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3907.017887][ T10] netdev_get_by_index+0x5e/0x80 [ 3907.017887][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3907.017887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3907.017887][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3907.017887][ T10] ipv6_add_addr+0x411/0x2000 [ 3907.017887][ T10] inet6_addr_add+0x30e/0xa40 [ 3907.017887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.017887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.017887][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.017887][ T10] netlink_unicast+0x449/0x710 [ 3907.017887][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.017887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.017887][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.017887][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.017887][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.017887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.017887][ T10] [ 3907.020052][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3907.020052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3907.020052][ T10] ipv6_find_idev+0x102/0x170 [ 3907.020052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.020052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.020052][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.020052][ T10] netlink_unicast+0x449/0x710 [ 3907.020052][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.020052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.020052][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.020052][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.020052][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.020052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.020052][ T10] [ 3907.021830][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3907.021830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3907.021830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3907.021830][ T10] ipv6_find_idev+0x102/0x170 [ 3907.021830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.021830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.021830][ T10] netlink_rcv_skb+0x130/0x360 [ 3907.021830][ T10] netlink_unicast+0x449/0x710 [ 3907.021830][ T10] netlink_sendmsg+0x723/0xbe0 [ 3907.021830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3907.021830][ T10] ___sys_sendmsg+0xee/0x170 [ 3907.021830][ T10] __sys_sendmsg+0xcd/0x170 [ 3907.021830][ T10] do_syscall_64+0xc6/0x1e0 [ 3907.021830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.021830][ T10] [ 3917.264219][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3917.264704][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3917.264704][ T10] netdev_get_by_index+0x5e/0x80 [ 3917.264704][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3917.264704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3917.264704][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3917.264704][ T10] ipv6_add_addr+0x411/0x2000 [ 3917.264704][ T10] inet6_addr_add+0x30e/0xa40 [ 3917.264704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.264704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.264704][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.264704][ T10] netlink_unicast+0x449/0x710 [ 3917.264704][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.264704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.264704][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.264704][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.264704][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.264704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.264704][ T10] [ 3917.266727][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3917.266727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3917.266727][ T10] ipv6_find_idev+0x102/0x170 [ 3917.266727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.266727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.266727][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.266727][ T10] netlink_unicast+0x449/0x710 [ 3917.266727][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.266727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.266727][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.266727][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.266727][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.266727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.266727][ T10] [ 3917.268268][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3917.268268][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3917.268268][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3917.268268][ T10] ipv6_find_idev+0x102/0x170 [ 3917.268268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.268268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.268268][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.268268][ T10] netlink_unicast+0x449/0x710 [ 3917.268268][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.268268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.268268][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.268268][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.268268][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.268268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.268268][ T10] [ 3917.269969][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3917.270259][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3917.270259][ T10] netdev_get_by_index+0x5e/0x80 [ 3917.270259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3917.270259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3917.270259][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3917.270259][ T10] ipv6_add_addr+0x411/0x2000 [ 3917.270259][ T10] inet6_addr_add+0x30e/0xa40 [ 3917.270259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.270259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.270259][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.270259][ T10] netlink_unicast+0x449/0x710 [ 3917.270259][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.270259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.270259][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.270259][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.270259][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.270259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.270259][ T10] [ 3917.272255][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3917.272255][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3917.272255][ T10] ipv6_find_idev+0x102/0x170 [ 3917.272255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.272255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.272255][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.272255][ T10] netlink_unicast+0x449/0x710 [ 3917.272255][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.272255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.272255][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.272255][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.272255][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.272255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.272255][ T10] [ 3917.273797][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3917.273797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3917.273797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3917.273797][ T10] ipv6_find_idev+0x102/0x170 [ 3917.273797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.273797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.273797][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.273797][ T10] netlink_unicast+0x449/0x710 [ 3917.273797][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.273797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.273797][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.273797][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.273797][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.273797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.273797][ T10] [ 3917.275501][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3917.275767][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3917.275767][ T10] netdev_get_by_index+0x5e/0x80 [ 3917.275767][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3917.275767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3917.275767][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3917.275767][ T10] ipv6_add_addr+0x411/0x2000 [ 3917.275767][ T10] inet6_addr_add+0x30e/0xa40 [ 3917.275767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.275767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.275767][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.275767][ T10] netlink_unicast+0x449/0x710 [ 3917.275767][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.275767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.275767][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.275767][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.275767][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.275767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.275767][ T10] [ 3917.277767][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3917.277767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3917.277767][ T10] ipv6_find_idev+0x102/0x170 [ 3917.277767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.277767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.277767][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.277767][ T10] netlink_unicast+0x449/0x710 [ 3917.277767][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.277767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.277767][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.277767][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.277767][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.277767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.277767][ T10] [ 3917.279298][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3917.279298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3917.279298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3917.279298][ T10] ipv6_find_idev+0x102/0x170 [ 3917.279298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.279298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.279298][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.279298][ T10] netlink_unicast+0x449/0x710 [ 3917.279298][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.279298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.279298][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.279298][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.279298][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.279298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.279298][ T10] [ 3917.280975][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3917.281672][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3917.281672][ T10] netdev_get_by_index+0x5e/0x80 [ 3917.281672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3917.281672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3917.281672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3917.281672][ T10] ipv6_add_addr+0x411/0x2000 [ 3917.281672][ T10] inet6_addr_add+0x30e/0xa40 [ 3917.281672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.281672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.281672][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.281672][ T10] netlink_unicast+0x449/0x710 [ 3917.281672][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.281672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.281672][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.281672][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.281672][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.281672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.281672][ T10] [ 3917.283668][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3917.283668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3917.283668][ T10] ipv6_find_idev+0x102/0x170 [ 3917.283668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.283668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.283668][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.283668][ T10] netlink_unicast+0x449/0x710 [ 3917.283668][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.283668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.283668][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.283668][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.283668][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.283668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.283668][ T10] [ 3917.285200][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3917.285200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3917.285200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3917.285200][ T10] ipv6_find_idev+0x102/0x170 [ 3917.285200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.285200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.285200][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.285200][ T10] netlink_unicast+0x449/0x710 [ 3917.285200][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.285200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.285200][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.285200][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.285200][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.285200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.285200][ T10] [ 3917.286933][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3917.287253][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3917.287253][ T10] netdev_get_by_index+0x5e/0x80 [ 3917.287253][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3917.287253][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3917.287253][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3917.287253][ T10] ipv6_add_addr+0x411/0x2000 [ 3917.287253][ T10] inet6_addr_add+0x30e/0xa40 [ 3917.287253][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.287253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.287253][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.287253][ T10] netlink_unicast+0x449/0x710 [ 3917.287253][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.287253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.287253][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.287253][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.287253][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.287253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.287253][ T10] [ 3917.289242][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3917.289242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3917.289242][ T10] ipv6_find_idev+0x102/0x170 [ 3917.289242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.289242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.289242][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.289242][ T10] netlink_unicast+0x449/0x710 [ 3917.289242][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.289242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.289242][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.289242][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.289242][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.289242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.289242][ T10] [ 3917.290768][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3917.290768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3917.290768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3917.290768][ T10] ipv6_find_idev+0x102/0x170 [ 3917.290768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.290768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.290768][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.290768][ T10] netlink_unicast+0x449/0x710 [ 3917.290768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.290768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.290768][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.290768][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.290768][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.290768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.290768][ T10] [ 3917.292481][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3917.292793][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3917.292793][ T10] netdev_get_by_index+0x5e/0x80 [ 3917.292793][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3917.292793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3917.292793][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3917.292793][ T10] ipv6_add_addr+0x411/0x2000 [ 3917.292793][ T10] inet6_addr_add+0x30e/0xa40 [ 3917.292793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.292793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.292793][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.292793][ T10] netlink_unicast+0x449/0x710 [ 3917.292793][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.292793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.292793][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.292793][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.292793][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.292793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.292793][ T10] [ 3917.294837][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3917.294837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3917.294837][ T10] ipv6_find_idev+0x102/0x170 [ 3917.294837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.294837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.294837][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.294837][ T10] netlink_unicast+0x449/0x710 [ 3917.294837][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.294837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.294837][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.294837][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.294837][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.294837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.294837][ T10] [ 3917.296452][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3917.296452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3917.296452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3917.296452][ T10] ipv6_find_idev+0x102/0x170 [ 3917.296452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.296452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.296452][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.296452][ T10] netlink_unicast+0x449/0x710 [ 3917.296452][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.296452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.296452][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.296452][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.296452][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.296452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.296452][ T10] [ 3917.298295][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3917.298621][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3917.298621][ T10] netdev_get_by_index+0x5e/0x80 [ 3917.298621][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3917.298621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3917.298621][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3917.298621][ T10] ipv6_add_addr+0x411/0x2000 [ 3917.298621][ T10] inet6_addr_add+0x30e/0xa40 [ 3917.298621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.298621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.298621][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.298621][ T10] netlink_unicast+0x449/0x710 [ 3917.298621][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.298621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.298621][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.298621][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.298621][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.298621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.298621][ T10] [ 3917.300747][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3917.300747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3917.300747][ T10] ipv6_find_idev+0x102/0x170 [ 3917.300747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.300747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.300747][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.300747][ T10] netlink_unicast+0x449/0x710 [ 3917.300747][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.300747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.300747][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.300747][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.300747][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.300747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.300747][ T10] [ 3917.302337][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3917.302337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3917.302337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3917.302337][ T10] ipv6_find_idev+0x102/0x170 [ 3917.302337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.302337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.302337][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.302337][ T10] netlink_unicast+0x449/0x710 [ 3917.302337][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.302337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.302337][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.302337][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.302337][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.302337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.302337][ T10] [ 3917.304185][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3917.304509][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3917.304509][ T10] netdev_get_by_index+0x5e/0x80 [ 3917.304509][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3917.304509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3917.304509][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3917.304509][ T10] ipv6_add_addr+0x411/0x2000 [ 3917.304509][ T10] inet6_addr_add+0x30e/0xa40 [ 3917.304509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.304509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.304509][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.304509][ T10] netlink_unicast+0x449/0x710 [ 3917.304509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.304509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.304509][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.304509][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.304509][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.304509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.304509][ T10] [ 3917.306554][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3917.306554][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3917.306554][ T10] ipv6_find_idev+0x102/0x170 [ 3917.306554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.306554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.306554][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.306554][ T10] netlink_unicast+0x449/0x710 [ 3917.306554][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.306554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.306554][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.306554][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.306554][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.306554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.306554][ T10] [ 3917.308209][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3917.308209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3917.308209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3917.308209][ T10] ipv6_find_idev+0x102/0x170 [ 3917.308209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.308209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.308209][ T10] netlink_rcv_skb+0x130/0x360 [ 3917.308209][ T10] netlink_unicast+0x449/0x710 [ 3917.308209][ T10] netlink_sendmsg+0x723/0xbe0 [ 3917.308209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3917.308209][ T10] ___sys_sendmsg+0xee/0x170 [ 3917.308209][ T10] __sys_sendmsg+0xcd/0x170 [ 3917.308209][ T10] do_syscall_64+0xc6/0x1e0 [ 3917.308209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.308209][ T10] [ 3927.552282][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3927.553123][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3927.553123][ T10] netdev_get_by_index+0x5e/0x80 [ 3927.553123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3927.553123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3927.553123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3927.553123][ T10] ipv6_add_addr+0x411/0x2000 [ 3927.553123][ T10] inet6_addr_add+0x30e/0xa40 [ 3927.553123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.553123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.553123][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.553123][ T10] netlink_unicast+0x449/0x710 [ 3927.553123][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.553123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.553123][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.553123][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.553123][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.553123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.553123][ T10] [ 3927.555067][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3927.555067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3927.555067][ T10] ipv6_find_idev+0x102/0x170 [ 3927.555067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.555067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.555067][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.555067][ T10] netlink_unicast+0x449/0x710 [ 3927.555067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.555067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.555067][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.555067][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.555067][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.555067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.555067][ T10] [ 3927.556577][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3927.556577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3927.556577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3927.556577][ T10] ipv6_find_idev+0x102/0x170 [ 3927.556577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.556577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.556577][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.556577][ T10] netlink_unicast+0x449/0x710 [ 3927.556577][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.556577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.556577][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.556577][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.556577][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.556577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.556577][ T10] [ 3927.558237][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3927.558522][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3927.558522][ T10] netdev_get_by_index+0x5e/0x80 [ 3927.558522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3927.558522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3927.558522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3927.558522][ T10] ipv6_add_addr+0x411/0x2000 [ 3927.558522][ T10] inet6_addr_add+0x30e/0xa40 [ 3927.558522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.558522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.558522][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.558522][ T10] netlink_unicast+0x449/0x710 [ 3927.558522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.558522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.558522][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.558522][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.558522][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.558522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.558522][ T10] [ 3927.560528][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3927.560528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3927.560528][ T10] ipv6_find_idev+0x102/0x170 [ 3927.560528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.560528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.560528][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.560528][ T10] netlink_unicast+0x449/0x710 [ 3927.560528][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.560528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.560528][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.560528][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.560528][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.560528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.560528][ T10] [ 3927.562059][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3927.562059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3927.562059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3927.562059][ T10] ipv6_find_idev+0x102/0x170 [ 3927.562059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.562059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.562059][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.562059][ T10] netlink_unicast+0x449/0x710 [ 3927.562059][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.562059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.562059][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.562059][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.562059][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.562059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.562059][ T10] [ 3927.563745][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3927.564020][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3927.564020][ T10] netdev_get_by_index+0x5e/0x80 [ 3927.564020][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3927.564020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3927.564020][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3927.564020][ T10] ipv6_add_addr+0x411/0x2000 [ 3927.564020][ T10] inet6_addr_add+0x30e/0xa40 [ 3927.564020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.564020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.564020][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.564020][ T10] netlink_unicast+0x449/0x710 [ 3927.564020][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.564020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.564020][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.564020][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.564020][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.564020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.564020][ T10] [ 3927.565977][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3927.565977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3927.565977][ T10] ipv6_find_idev+0x102/0x170 [ 3927.565977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.565977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.565977][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.565977][ T10] netlink_unicast+0x449/0x710 [ 3927.565977][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.565977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.565977][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.565977][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.565977][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.565977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.565977][ T10] [ 3927.567544][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3927.567544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3927.567544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3927.567544][ T10] ipv6_find_idev+0x102/0x170 [ 3927.567544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.567544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.567544][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.567544][ T10] netlink_unicast+0x449/0x710 [ 3927.567544][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.567544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.567544][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.567544][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.567544][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.567544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.567544][ T10] [ 3927.569200][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3927.569493][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3927.569493][ T10] netdev_get_by_index+0x5e/0x80 [ 3927.569493][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3927.569493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3927.569493][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3927.569493][ T10] ipv6_add_addr+0x411/0x2000 [ 3927.569493][ T10] inet6_addr_add+0x30e/0xa40 [ 3927.569493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.569493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.569493][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.569493][ T10] netlink_unicast+0x449/0x710 [ 3927.569493][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.569493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.569493][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.569493][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.569493][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.569493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.569493][ T10] [ 3927.571488][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3927.571488][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3927.571488][ T10] ipv6_find_idev+0x102/0x170 [ 3927.571488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.571488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.571488][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.571488][ T10] netlink_unicast+0x449/0x710 [ 3927.571488][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.571488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.571488][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.571488][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.571488][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.571488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.571488][ T10] [ 3927.573033][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3927.573033][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3927.573033][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3927.573033][ T10] ipv6_find_idev+0x102/0x170 [ 3927.573033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.573033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.573033][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.573033][ T10] netlink_unicast+0x449/0x710 [ 3927.573033][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.573033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.573033][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.573033][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.573033][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.573033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.573033][ T10] [ 3927.575054][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3927.575672][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3927.575672][ T10] netdev_get_by_index+0x5e/0x80 [ 3927.575672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3927.575672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3927.575672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3927.575672][ T10] ipv6_add_addr+0x411/0x2000 [ 3927.575672][ T10] inet6_addr_add+0x30e/0xa40 [ 3927.575672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.575672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.575672][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.575672][ T10] netlink_unicast+0x449/0x710 [ 3927.575672][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.575672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.575672][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.575672][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.575672][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.575672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.575672][ T10] [ 3927.577673][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3927.577673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3927.577673][ T10] ipv6_find_idev+0x102/0x170 [ 3927.577673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.577673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.577673][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.577673][ T10] netlink_unicast+0x449/0x710 [ 3927.577673][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.577673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.577673][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.577673][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.577673][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.577673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.577673][ T10] [ 3927.579193][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3927.579193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3927.579193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3927.579193][ T10] ipv6_find_idev+0x102/0x170 [ 3927.579193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.579193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.579193][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.579193][ T10] netlink_unicast+0x449/0x710 [ 3927.579193][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.579193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.579193][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.579193][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.579193][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.579193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.579193][ T10] [ 3927.580864][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3927.581204][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3927.581204][ T10] netdev_get_by_index+0x5e/0x80 [ 3927.581204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3927.581204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3927.581204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3927.581204][ T10] ipv6_add_addr+0x411/0x2000 [ 3927.581204][ T10] inet6_addr_add+0x30e/0xa40 [ 3927.581204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.581204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.581204][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.581204][ T10] netlink_unicast+0x449/0x710 [ 3927.581204][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.581204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.581204][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.581204][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.581204][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.581204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.581204][ T10] [ 3927.583167][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3927.583167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3927.583167][ T10] ipv6_find_idev+0x102/0x170 [ 3927.583167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.583167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.583167][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.583167][ T10] netlink_unicast+0x449/0x710 [ 3927.583167][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.583167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.583167][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.583167][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.583167][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.583167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.583167][ T10] [ 3927.584719][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3927.584719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3927.584719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3927.584719][ T10] ipv6_find_idev+0x102/0x170 [ 3927.584719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.584719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.584719][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.584719][ T10] netlink_unicast+0x449/0x710 [ 3927.584719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.584719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.584719][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.584719][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.584719][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.584719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.584719][ T10] [ 3927.586592][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3927.586910][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3927.586910][ T10] netdev_get_by_index+0x5e/0x80 [ 3927.586910][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3927.586910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3927.586910][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3927.586910][ T10] ipv6_add_addr+0x411/0x2000 [ 3927.586910][ T10] inet6_addr_add+0x30e/0xa40 [ 3927.586910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.586910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.586910][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.586910][ T10] netlink_unicast+0x449/0x710 [ 3927.586910][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.586910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.586910][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.586910][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.586910][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.586910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.586910][ T10] [ 3927.589075][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3927.589075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3927.589075][ T10] ipv6_find_idev+0x102/0x170 [ 3927.589075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.589075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.589075][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.589075][ T10] netlink_unicast+0x449/0x710 [ 3927.589075][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.589075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.589075][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.589075][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.589075][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.589075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.589075][ T10] [ 3927.590883][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3927.590883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3927.590883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3927.590883][ T10] ipv6_find_idev+0x102/0x170 [ 3927.590883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.590883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.590883][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.590883][ T10] netlink_unicast+0x449/0x710 [ 3927.590883][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.590883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.590883][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.590883][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.590883][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.590883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.590883][ T10] [ 3927.592784][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3927.593110][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3927.593110][ T10] netdev_get_by_index+0x5e/0x80 [ 3927.593110][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3927.593110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3927.593110][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3927.593110][ T10] ipv6_add_addr+0x411/0x2000 [ 3927.593110][ T10] inet6_addr_add+0x30e/0xa40 [ 3927.593110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.593110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.593110][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.593110][ T10] netlink_unicast+0x449/0x710 [ 3927.593110][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.593110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.593110][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.593110][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.593110][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.593110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.593110][ T10] [ 3927.595242][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3927.595242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3927.595242][ T10] ipv6_find_idev+0x102/0x170 [ 3927.595242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.595242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.595242][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.595242][ T10] netlink_unicast+0x449/0x710 [ 3927.595242][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.595242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.595242][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.595242][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.595242][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.595242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.595242][ T10] [ 3927.596959][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3927.596959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3927.596959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3927.596959][ T10] ipv6_find_idev+0x102/0x170 [ 3927.596959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.596959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.596959][ T10] netlink_rcv_skb+0x130/0x360 [ 3927.596959][ T10] netlink_unicast+0x449/0x710 [ 3927.596959][ T10] netlink_sendmsg+0x723/0xbe0 [ 3927.596959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3927.596959][ T10] ___sys_sendmsg+0xee/0x170 [ 3927.596959][ T10] __sys_sendmsg+0xcd/0x170 [ 3927.596959][ T10] do_syscall_64+0xc6/0x1e0 [ 3927.596959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.596959][ T10] [ 3933.464297][ T42] INFO: task modprobe:14771 blocked for more than 860 seconds. [ 3933.464973][ T42] Not tainted 6.8.0-virtme #1 [ 3933.465135][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3933.465351][ T42] task:modprobe state:D stack:25856 pid:14771 tgid:14771 ppid:36 flags:0x00004002 [ 3933.465603][ T42] Call Trace: [ 3933.465697][ T42] [ 3933.465768][ T42] __schedule+0x705/0x1ac0 [ 3933.465907][ T42] ? __pfx___schedule+0x10/0x10 [ 3933.466028][ T42] ? schedule+0x1a5/0x210 [ 3933.466167][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3933.466297][ T42] ? mark_lock+0x38/0x3e0 [ 3933.466391][ T42] ? do_raw_spin_lock+0x131/0x270 [ 3933.466524][ T42] ? schedule+0x1a5/0x210 [ 3933.466620][ T42] schedule+0xdf/0x210 [ 3933.466713][ T42] schedule_preempt_disabled+0x15/0x30 [ 3933.466832][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 3933.466956][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 3933.467114][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 3933.467248][ T42] ? lock_acquire+0x1c1/0x220 [ 3933.467366][ T42] ? register_pernet_subsys+0x1a/0x50 [ 3933.467494][ T42] down_write+0x1c9/0x200 [ 3933.467587][ T42] ? __pfx_down_write+0x10/0x10 [ 3933.467709][ T42] ? __lock_release+0x103/0x460 [ 3933.467827][ T42] ? __create_object+0x5e/0xb0 [ 3933.467950][ T42] ? __pfx___lock_release+0x10/0x10 [ 3933.468073][ T42] register_pernet_subsys+0x1a/0x50 [ 3933.468204][ T42] tcf_register_action+0xa3/0x600 [ 3933.468325][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 3933.468480][ T42] do_one_initcall+0xc8/0x3f0 [ 3933.468608][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 3933.468735][ T42] ? __create_object+0x5e/0xb0 [ 3933.468857][ T42] ? kasan_unpoison+0x27/0x60 [ 3933.468980][ T42] do_init_module+0x233/0x740 [ 3933.469131][ T42] load_module+0x16b5/0x2350 [ 3933.469274][ T42] ? __pfx_load_module+0x10/0x10 [ 3933.469396][ T42] ? kernel_read_file+0x3d2/0x520 [ 3933.469522][ T42] ? kernel_read_file+0x300/0x520 [ 3933.469650][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 3933.469778][ T42] ? init_module_from_file+0xd2/0x130 [ 3933.469899][ T42] init_module_from_file+0xd2/0x130 [ 3933.470019][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 3933.470174][ T42] ? __lock_release+0x103/0x460 [ 3933.470296][ T42] ? idempotent_init_module+0x32a/0x620 [ 3933.470430][ T42] ? idempotent_init_module+0x32a/0x620 [ 3933.470549][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 3933.470670][ T42] idempotent_init_module+0x342/0x620 [ 3933.470792][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 3933.470961][ T42] __x64_sys_finit_module+0xbe/0x130 [ 3933.471082][ T42] do_syscall_64+0xc6/0x1e0 [ 3933.471214][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3933.471364][ T42] RIP: 0033:0x7f9f7563de5d [ 3933.471488][ T42] RSP: 002b:00007ffe3a6850f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 3933.471694][ T42] RAX: ffffffffffffffda RBX: 0000558501133c00 RCX: 00007f9f7563de5d [ 3933.471883][ T42] RDX: 0000000000000000 RSI: 00005584c204fa2a RDI: 0000000000000000 [ 3933.472062][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe3a685230 [ 3933.472250][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584c204fa2a [ 3933.472426][ T42] R13: 0000558501133b10 R14: 0000558501133f40 R15: 0000558501133c72 [ 3933.472616][ T42] [ 3933.472710][ T42] [ 3933.472710][ T42] Showing all locks held in the system: [ 3933.472876][ T42] 3 locks held by kworker/u16:0/10: [ 3933.472992][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3933.473256][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3933.473474][ T42] #2: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 3933.473691][ T42] 2 locks held by kworker/u17:0/36: [ 3933.473804][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 3933.474050][ T42] #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 3933.474346][ T42] 1 lock held by khungtaskd/42: [ 3933.474463][ T42] #0: ffffffff96f69160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 3933.474688][ T42] 1 lock held by modprobe/14771: [ 3933.474804][ T42] #0: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 3933.475054][ T42] [ 3933.475125][ T42] ============================================= [ 3933.475125][ T42] [ 3937.760276][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3937.760737][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3937.760737][ T10] netdev_get_by_index+0x5e/0x80 [ 3937.760737][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3937.760737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3937.760737][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3937.760737][ T10] ipv6_add_addr+0x411/0x2000 [ 3937.760737][ T10] inet6_addr_add+0x30e/0xa40 [ 3937.760737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.760737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.760737][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.760737][ T10] netlink_unicast+0x449/0x710 [ 3937.760737][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.760737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.760737][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.760737][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.760737][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.760737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.760737][ T10] [ 3937.762746][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3937.762746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3937.762746][ T10] ipv6_find_idev+0x102/0x170 [ 3937.762746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.762746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.762746][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.762746][ T10] netlink_unicast+0x449/0x710 [ 3937.762746][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.762746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.762746][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.762746][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.762746][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.762746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.762746][ T10] [ 3937.764327][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3937.764327][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3937.764327][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3937.764327][ T10] ipv6_find_idev+0x102/0x170 [ 3937.764327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.764327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.764327][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.764327][ T10] netlink_unicast+0x449/0x710 [ 3937.764327][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.764327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.764327][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.764327][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.764327][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.764327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.764327][ T10] [ 3937.766030][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3937.766311][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3937.766311][ T10] netdev_get_by_index+0x5e/0x80 [ 3937.766311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3937.766311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3937.766311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3937.766311][ T10] ipv6_add_addr+0x411/0x2000 [ 3937.766311][ T10] inet6_addr_add+0x30e/0xa40 [ 3937.766311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.766311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.766311][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.766311][ T10] netlink_unicast+0x449/0x710 [ 3937.766311][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.766311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.766311][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.766311][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.766311][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.766311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.766311][ T10] [ 3937.768335][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3937.768335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3937.768335][ T10] ipv6_find_idev+0x102/0x170 [ 3937.768335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.768335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.768335][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.768335][ T10] netlink_unicast+0x449/0x710 [ 3937.768335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.768335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.768335][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.768335][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.768335][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.768335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.768335][ T10] [ 3937.769888][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3937.769888][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3937.769888][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3937.769888][ T10] ipv6_find_idev+0x102/0x170 [ 3937.769888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.769888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.769888][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.769888][ T10] netlink_unicast+0x449/0x710 [ 3937.769888][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.769888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.769888][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.769888][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.769888][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.769888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.769888][ T10] [ 3937.771571][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3937.771844][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3937.771844][ T10] netdev_get_by_index+0x5e/0x80 [ 3937.771844][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3937.771844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3937.771844][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3937.771844][ T10] ipv6_add_addr+0x411/0x2000 [ 3937.771844][ T10] inet6_addr_add+0x30e/0xa40 [ 3937.771844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.771844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.771844][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.771844][ T10] netlink_unicast+0x449/0x710 [ 3937.771844][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.771844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.771844][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.771844][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.771844][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.771844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.771844][ T10] [ 3937.773852][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3937.773852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3937.773852][ T10] ipv6_find_idev+0x102/0x170 [ 3937.773852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.773852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.773852][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.773852][ T10] netlink_unicast+0x449/0x710 [ 3937.773852][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.773852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.773852][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.773852][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.773852][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.773852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.773852][ T10] [ 3937.775394][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3937.775394][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3937.775394][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3937.775394][ T10] ipv6_find_idev+0x102/0x170 [ 3937.775394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.775394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.775394][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.775394][ T10] netlink_unicast+0x449/0x710 [ 3937.775394][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.775394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.775394][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.775394][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.775394][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.775394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.775394][ T10] [ 3937.777079][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3937.777784][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3937.777784][ T10] netdev_get_by_index+0x5e/0x80 [ 3937.777784][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3937.777784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3937.777784][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3937.777784][ T10] ipv6_add_addr+0x411/0x2000 [ 3937.777784][ T10] inet6_addr_add+0x30e/0xa40 [ 3937.777784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.777784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.777784][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.777784][ T10] netlink_unicast+0x449/0x710 [ 3937.777784][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.777784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.777784][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.777784][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.777784][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.777784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.777784][ T10] [ 3937.779777][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3937.779777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3937.779777][ T10] ipv6_find_idev+0x102/0x170 [ 3937.779777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.779777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.779777][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.779777][ T10] netlink_unicast+0x449/0x710 [ 3937.779777][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.779777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.779777][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.779777][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.779777][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.779777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.779777][ T10] [ 3937.781316][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3937.781316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3937.781316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3937.781316][ T10] ipv6_find_idev+0x102/0x170 [ 3937.781316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.781316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.781316][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.781316][ T10] netlink_unicast+0x449/0x710 [ 3937.781316][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.781316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.781316][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.781316][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.781316][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.781316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.781316][ T10] [ 3937.783040][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3937.783376][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3937.783376][ T10] netdev_get_by_index+0x5e/0x80 [ 3937.783376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3937.783376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3937.783376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3937.783376][ T10] ipv6_add_addr+0x411/0x2000 [ 3937.783376][ T10] inet6_addr_add+0x30e/0xa40 [ 3937.783376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.783376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.783376][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.783376][ T10] netlink_unicast+0x449/0x710 [ 3937.783376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.783376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.783376][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.783376][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.783376][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.783376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.783376][ T10] [ 3937.785362][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3937.785362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3937.785362][ T10] ipv6_find_idev+0x102/0x170 [ 3937.785362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.785362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.785362][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.785362][ T10] netlink_unicast+0x449/0x710 [ 3937.785362][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.785362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.785362][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.785362][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.785362][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.785362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.785362][ T10] [ 3937.786911][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3937.786911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3937.786911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3937.786911][ T10] ipv6_find_idev+0x102/0x170 [ 3937.786911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.786911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.786911][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.786911][ T10] netlink_unicast+0x449/0x710 [ 3937.786911][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.786911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.786911][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.786911][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.786911][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.786911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.786911][ T10] [ 3937.788633][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3937.788945][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3937.788945][ T10] netdev_get_by_index+0x5e/0x80 [ 3937.788945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3937.788945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3937.788945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3937.788945][ T10] ipv6_add_addr+0x411/0x2000 [ 3937.788945][ T10] inet6_addr_add+0x30e/0xa40 [ 3937.788945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.788945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.788945][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.788945][ T10] netlink_unicast+0x449/0x710 [ 3937.788945][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.788945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.788945][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.788945][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.788945][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.788945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.788945][ T10] [ 3937.790992][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3937.790992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3937.790992][ T10] ipv6_find_idev+0x102/0x170 [ 3937.790992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.790992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.790992][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.790992][ T10] netlink_unicast+0x449/0x710 [ 3937.790992][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.790992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.790992][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.790992][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.790992][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.790992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.790992][ T10] [ 3937.792773][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3937.792773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3937.792773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3937.792773][ T10] ipv6_find_idev+0x102/0x170 [ 3937.792773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.792773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.792773][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.792773][ T10] netlink_unicast+0x449/0x710 [ 3937.792773][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.792773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.792773][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.792773][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.792773][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.792773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.792773][ T10] [ 3937.794688][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3937.795003][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3937.795003][ T10] netdev_get_by_index+0x5e/0x80 [ 3937.795003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3937.795003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3937.795003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3937.795003][ T10] ipv6_add_addr+0x411/0x2000 [ 3937.795003][ T10] inet6_addr_add+0x30e/0xa40 [ 3937.795003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.795003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.795003][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.795003][ T10] netlink_unicast+0x449/0x710 [ 3937.795003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.795003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.795003][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.795003][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.795003][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.795003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.795003][ T10] [ 3937.797215][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3937.797215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3937.797215][ T10] ipv6_find_idev+0x102/0x170 [ 3937.797215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.797215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.797215][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.797215][ T10] netlink_unicast+0x449/0x710 [ 3937.797215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.797215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.797215][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.797215][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.797215][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.797215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.797215][ T10] [ 3937.798939][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3937.798939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3937.798939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3937.798939][ T10] ipv6_find_idev+0x102/0x170 [ 3937.798939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.798939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.798939][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.798939][ T10] netlink_unicast+0x449/0x710 [ 3937.798939][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.798939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.798939][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.798939][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.798939][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.798939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.798939][ T10] [ 3937.800837][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3937.801174][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3937.801174][ T10] netdev_get_by_index+0x5e/0x80 [ 3937.801174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3937.801174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3937.801174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3937.801174][ T10] ipv6_add_addr+0x411/0x2000 [ 3937.801174][ T10] inet6_addr_add+0x30e/0xa40 [ 3937.801174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.801174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.801174][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.801174][ T10] netlink_unicast+0x449/0x710 [ 3937.801174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.801174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.801174][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.801174][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.801174][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.801174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.801174][ T10] [ 3937.803364][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3937.803364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3937.803364][ T10] ipv6_find_idev+0x102/0x170 [ 3937.803364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.803364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.803364][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.803364][ T10] netlink_unicast+0x449/0x710 [ 3937.803364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.803364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.803364][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.803364][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.803364][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.803364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.803364][ T10] [ 3937.805157][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3937.805157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3937.805157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3937.805157][ T10] ipv6_find_idev+0x102/0x170 [ 3937.805157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.805157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.805157][ T10] netlink_rcv_skb+0x130/0x360 [ 3937.805157][ T10] netlink_unicast+0x449/0x710 [ 3937.805157][ T10] netlink_sendmsg+0x723/0xbe0 [ 3937.805157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3937.805157][ T10] ___sys_sendmsg+0xee/0x170 [ 3937.805157][ T10] __sys_sendmsg+0xcd/0x170 [ 3937.805157][ T10] do_syscall_64+0xc6/0x1e0 [ 3937.805157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.805157][ T10] [ 3947.944306][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3947.945224][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3947.945224][ T10] netdev_get_by_index+0x5e/0x80 [ 3947.945224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3947.945224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3947.945224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3947.945224][ T10] ipv6_add_addr+0x411/0x2000 [ 3947.945224][ T10] inet6_addr_add+0x30e/0xa40 [ 3947.945224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.945224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.945224][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.945224][ T10] netlink_unicast+0x449/0x710 [ 3947.945224][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.945224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.945224][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.945224][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.945224][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.945224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.945224][ T10] [ 3947.947165][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3947.947165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3947.947165][ T10] ipv6_find_idev+0x102/0x170 [ 3947.947165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.947165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.947165][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.947165][ T10] netlink_unicast+0x449/0x710 [ 3947.947165][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.947165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.947165][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.947165][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.947165][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.947165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.947165][ T10] [ 3947.948648][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3947.948648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3947.948648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3947.948648][ T10] ipv6_find_idev+0x102/0x170 [ 3947.948648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.948648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.948648][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.948648][ T10] netlink_unicast+0x449/0x710 [ 3947.948648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.948648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.948648][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.948648][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.948648][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.948648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.948648][ T10] [ 3947.950271][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3947.950551][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3947.950551][ T10] netdev_get_by_index+0x5e/0x80 [ 3947.950551][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3947.950551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3947.950551][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3947.950551][ T10] ipv6_add_addr+0x411/0x2000 [ 3947.950551][ T10] inet6_addr_add+0x30e/0xa40 [ 3947.950551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.950551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.950551][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.950551][ T10] netlink_unicast+0x449/0x710 [ 3947.950551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.950551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.950551][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.950551][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.950551][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.950551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.950551][ T10] [ 3947.952532][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3947.952532][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3947.952532][ T10] ipv6_find_idev+0x102/0x170 [ 3947.952532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.952532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.952532][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.952532][ T10] netlink_unicast+0x449/0x710 [ 3947.952532][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.952532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.952532][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.952532][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.952532][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.952532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.952532][ T10] [ 3947.954017][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3947.954017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3947.954017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3947.954017][ T10] ipv6_find_idev+0x102/0x170 [ 3947.954017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.954017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.954017][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.954017][ T10] netlink_unicast+0x449/0x710 [ 3947.954017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.954017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.954017][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.954017][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.954017][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.954017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.954017][ T10] [ 3947.955633][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3947.955894][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3947.955894][ T10] netdev_get_by_index+0x5e/0x80 [ 3947.955894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3947.955894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3947.955894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3947.955894][ T10] ipv6_add_addr+0x411/0x2000 [ 3947.955894][ T10] inet6_addr_add+0x30e/0xa40 [ 3947.955894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.955894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.955894][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.955894][ T10] netlink_unicast+0x449/0x710 [ 3947.955894][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.955894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.955894][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.955894][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.955894][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.955894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.955894][ T10] [ 3947.957830][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3947.957830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3947.957830][ T10] ipv6_find_idev+0x102/0x170 [ 3947.957830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.957830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.957830][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.957830][ T10] netlink_unicast+0x449/0x710 [ 3947.957830][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.957830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.957830][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.957830][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.957830][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.957830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.957830][ T10] [ 3947.959304][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3947.959304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3947.959304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3947.959304][ T10] ipv6_find_idev+0x102/0x170 [ 3947.959304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.959304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.959304][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.959304][ T10] netlink_unicast+0x449/0x710 [ 3947.959304][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.959304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.959304][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.959304][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.959304][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.959304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.959304][ T10] [ 3947.961054][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3947.961341][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3947.961341][ T10] netdev_get_by_index+0x5e/0x80 [ 3947.961341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3947.961341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3947.961341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3947.961341][ T10] ipv6_add_addr+0x411/0x2000 [ 3947.961341][ T10] inet6_addr_add+0x30e/0xa40 [ 3947.961341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.961341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.961341][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.961341][ T10] netlink_unicast+0x449/0x710 [ 3947.961341][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.961341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.961341][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.961341][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.961341][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.961341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.961341][ T10] [ 3947.963306][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3947.963306][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3947.963306][ T10] ipv6_find_idev+0x102/0x170 [ 3947.963306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.963306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.963306][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.963306][ T10] netlink_unicast+0x449/0x710 [ 3947.963306][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.963306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.963306][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.963306][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.963306][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.963306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.963306][ T10] [ 3947.964782][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3947.964782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3947.964782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3947.964782][ T10] ipv6_find_idev+0x102/0x170 [ 3947.964782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.964782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.964782][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.964782][ T10] netlink_unicast+0x449/0x710 [ 3947.964782][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.964782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.964782][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.964782][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.964782][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.964782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.964782][ T10] [ 3947.966393][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3947.966672][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3947.966672][ T10] netdev_get_by_index+0x5e/0x80 [ 3947.966672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3947.966672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3947.966672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3947.966672][ T10] ipv6_add_addr+0x411/0x2000 [ 3947.966672][ T10] inet6_addr_add+0x30e/0xa40 [ 3947.966672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.966672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.966672][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.966672][ T10] netlink_unicast+0x449/0x710 [ 3947.966672][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.966672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.966672][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.966672][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.966672][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.966672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.966672][ T10] [ 3947.968631][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3947.968631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3947.968631][ T10] ipv6_find_idev+0x102/0x170 [ 3947.968631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.968631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.968631][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.968631][ T10] netlink_unicast+0x449/0x710 [ 3947.968631][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.968631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.968631][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.968631][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.968631][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.968631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.968631][ T10] [ 3947.970163][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3947.970163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3947.970163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3947.970163][ T10] ipv6_find_idev+0x102/0x170 [ 3947.970163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.970163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.970163][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.970163][ T10] netlink_unicast+0x449/0x710 [ 3947.970163][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.970163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.970163][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.970163][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.970163][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.970163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.970163][ T10] [ 3947.972047][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3947.972376][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3947.972376][ T10] netdev_get_by_index+0x5e/0x80 [ 3947.972376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3947.972376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3947.972376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3947.972376][ T10] ipv6_add_addr+0x411/0x2000 [ 3947.972376][ T10] inet6_addr_add+0x30e/0xa40 [ 3947.972376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.972376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.972376][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.972376][ T10] netlink_unicast+0x449/0x710 [ 3947.972376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.972376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.972376][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.972376][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.972376][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.972376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.972376][ T10] [ 3947.974533][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3947.974533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3947.974533][ T10] ipv6_find_idev+0x102/0x170 [ 3947.974533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.974533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.974533][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.974533][ T10] netlink_unicast+0x449/0x710 [ 3947.974533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.974533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.974533][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.974533][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.974533][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.974533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.974533][ T10] [ 3947.976235][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3947.976235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3947.976235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3947.976235][ T10] ipv6_find_idev+0x102/0x170 [ 3947.976235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.976235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.976235][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.976235][ T10] netlink_unicast+0x449/0x710 [ 3947.976235][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.976235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.976235][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.976235][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.976235][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.976235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.976235][ T10] [ 3947.978184][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3947.978442][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3947.978442][ T10] netdev_get_by_index+0x5e/0x80 [ 3947.978442][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3947.978442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3947.978442][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3947.978442][ T10] ipv6_add_addr+0x411/0x2000 [ 3947.978442][ T10] inet6_addr_add+0x30e/0xa40 [ 3947.978442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.978442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.978442][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.978442][ T10] netlink_unicast+0x449/0x710 [ 3947.978442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.978442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.978442][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.978442][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.978442][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.978442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.978442][ T10] [ 3947.980572][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3947.980572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3947.980572][ T10] ipv6_find_idev+0x102/0x170 [ 3947.980572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.980572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.980572][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.980572][ T10] netlink_unicast+0x449/0x710 [ 3947.980572][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.980572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.980572][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.980572][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.980572][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.980572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.980572][ T10] [ 3947.982357][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3947.982357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3947.982357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3947.982357][ T10] ipv6_find_idev+0x102/0x170 [ 3947.982357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.982357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.982357][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.982357][ T10] netlink_unicast+0x449/0x710 [ 3947.982357][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.982357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.982357][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.982357][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.982357][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.982357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.982357][ T10] [ 3947.984276][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3947.984544][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3947.984544][ T10] netdev_get_by_index+0x5e/0x80 [ 3947.984544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3947.984544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3947.984544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3947.984544][ T10] ipv6_add_addr+0x411/0x2000 [ 3947.984544][ T10] inet6_addr_add+0x30e/0xa40 [ 3947.984544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3947.984544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.984544][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.984544][ T10] netlink_unicast+0x449/0x710 [ 3947.984544][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.984544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.984544][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.984544][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.984544][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.984544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.984544][ T10] [ 3947.986696][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3947.986696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3947.986696][ T10] ipv6_find_idev+0x102/0x170 [ 3947.986696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.986696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.986696][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.986696][ T10] netlink_unicast+0x449/0x710 [ 3947.986696][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.986696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.986696][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.986696][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.986696][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.986696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.986696][ T10] [ 3947.988390][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3947.988390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3947.988390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3947.988390][ T10] ipv6_find_idev+0x102/0x170 [ 3947.988390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3947.988390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3947.988390][ T10] netlink_rcv_skb+0x130/0x360 [ 3947.988390][ T10] netlink_unicast+0x449/0x710 [ 3947.988390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3947.988390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3947.988390][ T10] ___sys_sendmsg+0xee/0x170 [ 3947.988390][ T10] __sys_sendmsg+0xcd/0x170 [ 3947.988390][ T10] do_syscall_64+0xc6/0x1e0 [ 3947.988390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3947.988390][ T10] [ 3958.152222][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3958.152668][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3958.152668][ T10] netdev_get_by_index+0x5e/0x80 [ 3958.152668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3958.152668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3958.152668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3958.152668][ T10] ipv6_add_addr+0x411/0x2000 [ 3958.152668][ T10] inet6_addr_add+0x30e/0xa40 [ 3958.152668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.152668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.152668][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.152668][ T10] netlink_unicast+0x449/0x710 [ 3958.152668][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.152668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.152668][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.152668][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.152668][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.152668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.152668][ T10] [ 3958.154643][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3958.154643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3958.154643][ T10] ipv6_find_idev+0x102/0x170 [ 3958.154643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.154643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.154643][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.154643][ T10] netlink_unicast+0x449/0x710 [ 3958.154643][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.154643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.154643][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.154643][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.154643][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.154643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.154643][ T10] [ 3958.156163][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3958.156163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3958.156163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3958.156163][ T10] ipv6_find_idev+0x102/0x170 [ 3958.156163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.156163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.156163][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.156163][ T10] netlink_unicast+0x449/0x710 [ 3958.156163][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.156163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.156163][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.156163][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.156163][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.156163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.156163][ T10] [ 3958.157847][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3958.158114][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3958.158114][ T10] netdev_get_by_index+0x5e/0x80 [ 3958.158114][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3958.158114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3958.158114][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3958.158114][ T10] ipv6_add_addr+0x411/0x2000 [ 3958.158114][ T10] inet6_addr_add+0x30e/0xa40 [ 3958.158114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.158114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.158114][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.158114][ T10] netlink_unicast+0x449/0x710 [ 3958.158114][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.158114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.158114][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.158114][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.158114][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.158114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.158114][ T10] [ 3958.160080][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3958.160080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3958.160080][ T10] ipv6_find_idev+0x102/0x170 [ 3958.160080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.160080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.160080][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.160080][ T10] netlink_unicast+0x449/0x710 [ 3958.160080][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.160080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.160080][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.160080][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.160080][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.160080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.160080][ T10] [ 3958.161981][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3958.161981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3958.161981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3958.161981][ T10] ipv6_find_idev+0x102/0x170 [ 3958.161981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.161981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.161981][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.161981][ T10] netlink_unicast+0x449/0x710 [ 3958.161981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.161981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.161981][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.161981][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.161981][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.161981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.161981][ T10] [ 3958.163644][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3958.163910][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3958.163910][ T10] netdev_get_by_index+0x5e/0x80 [ 3958.163910][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3958.163910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3958.163910][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3958.163910][ T10] ipv6_add_addr+0x411/0x2000 [ 3958.163910][ T10] inet6_addr_add+0x30e/0xa40 [ 3958.163910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.163910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.163910][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.163910][ T10] netlink_unicast+0x449/0x710 [ 3958.163910][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.163910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.163910][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.163910][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.163910][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.163910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.163910][ T10] [ 3958.165873][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3958.165873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3958.165873][ T10] ipv6_find_idev+0x102/0x170 [ 3958.165873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.165873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.165873][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.165873][ T10] netlink_unicast+0x449/0x710 [ 3958.165873][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.165873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.165873][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.165873][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.165873][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.165873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.165873][ T10] [ 3958.167905][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3958.167905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3958.167905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3958.167905][ T10] ipv6_find_idev+0x102/0x170 [ 3958.167905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.167905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.167905][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.167905][ T10] netlink_unicast+0x449/0x710 [ 3958.167905][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.167905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.167905][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.167905][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.167905][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.167905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.167905][ T10] [ 3958.169556][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3958.169816][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3958.169816][ T10] netdev_get_by_index+0x5e/0x80 [ 3958.169816][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3958.169816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3958.169816][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3958.169816][ T10] ipv6_add_addr+0x411/0x2000 [ 3958.169816][ T10] inet6_addr_add+0x30e/0xa40 [ 3958.169816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.169816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.169816][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.169816][ T10] netlink_unicast+0x449/0x710 [ 3958.169816][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.169816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.169816][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.169816][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.169816][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.169816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.169816][ T10] [ 3958.171782][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3958.171782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3958.171782][ T10] ipv6_find_idev+0x102/0x170 [ 3958.171782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.171782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.171782][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.171782][ T10] netlink_unicast+0x449/0x710 [ 3958.171782][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.171782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.171782][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.171782][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.171782][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.171782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.171782][ T10] [ 3958.173295][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3958.173295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3958.173295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3958.173295][ T10] ipv6_find_idev+0x102/0x170 [ 3958.173295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.173295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.173295][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.173295][ T10] netlink_unicast+0x449/0x710 [ 3958.173295][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.173295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.173295][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.173295][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.173295][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.173295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.173295][ T10] [ 3958.175357][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3958.175620][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3958.175620][ T10] netdev_get_by_index+0x5e/0x80 [ 3958.175620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3958.175620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3958.175620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3958.175620][ T10] ipv6_add_addr+0x411/0x2000 [ 3958.175620][ T10] inet6_addr_add+0x30e/0xa40 [ 3958.175620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.175620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.175620][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.175620][ T10] netlink_unicast+0x449/0x710 [ 3958.175620][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.175620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.175620][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.175620][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.175620][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.175620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.175620][ T10] [ 3958.177583][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3958.177583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3958.177583][ T10] ipv6_find_idev+0x102/0x170 [ 3958.177583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.177583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.177583][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.177583][ T10] netlink_unicast+0x449/0x710 [ 3958.177583][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.177583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.177583][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.177583][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.177583][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.177583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.177583][ T10] [ 3958.179087][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3958.179087][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3958.179087][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3958.179087][ T10] ipv6_find_idev+0x102/0x170 [ 3958.179087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.179087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.179087][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.179087][ T10] netlink_unicast+0x449/0x710 [ 3958.179087][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.179087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.179087][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.179087][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.179087][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.179087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.179087][ T10] [ 3958.180789][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3958.181051][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3958.181051][ T10] netdev_get_by_index+0x5e/0x80 [ 3958.181051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3958.181051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3958.181051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3958.181051][ T10] ipv6_add_addr+0x411/0x2000 [ 3958.181051][ T10] inet6_addr_add+0x30e/0xa40 [ 3958.181051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.181051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.181051][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.181051][ T10] netlink_unicast+0x449/0x710 [ 3958.181051][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.181051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.181051][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.181051][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.181051][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.181051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.181051][ T10] [ 3958.183131][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3958.183131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3958.183131][ T10] ipv6_find_idev+0x102/0x170 [ 3958.183131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.183131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.183131][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.183131][ T10] netlink_unicast+0x449/0x710 [ 3958.183131][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.183131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.183131][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.183131][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.183131][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.183131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.183131][ T10] [ 3958.184880][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3958.184880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3958.184880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3958.184880][ T10] ipv6_find_idev+0x102/0x170 [ 3958.184880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.184880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.184880][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.184880][ T10] netlink_unicast+0x449/0x710 [ 3958.184880][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.184880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.184880][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.184880][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.184880][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.184880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.184880][ T10] [ 3958.187211][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3958.187473][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3958.187473][ T10] netdev_get_by_index+0x5e/0x80 [ 3958.187473][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3958.187473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3958.187473][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3958.187473][ T10] ipv6_add_addr+0x411/0x2000 [ 3958.187473][ T10] inet6_addr_add+0x30e/0xa40 [ 3958.187473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.187473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.187473][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.187473][ T10] netlink_unicast+0x449/0x710 [ 3958.187473][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.187473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.187473][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.187473][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.187473][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.187473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.187473][ T10] [ 3958.189553][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3958.189553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3958.189553][ T10] ipv6_find_idev+0x102/0x170 [ 3958.189553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.189553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.189553][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.189553][ T10] netlink_unicast+0x449/0x710 [ 3958.189553][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.189553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.189553][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.189553][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.189553][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.189553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.189553][ T10] [ 3958.191338][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3958.191338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3958.191338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3958.191338][ T10] ipv6_find_idev+0x102/0x170 [ 3958.191338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.191338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.191338][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.191338][ T10] netlink_unicast+0x449/0x710 [ 3958.191338][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.191338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.191338][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.191338][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.191338][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.191338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.191338][ T10] [ 3958.193250][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3958.193507][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3958.193507][ T10] netdev_get_by_index+0x5e/0x80 [ 3958.193507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3958.193507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3958.193507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3958.193507][ T10] ipv6_add_addr+0x411/0x2000 [ 3958.193507][ T10] inet6_addr_add+0x30e/0xa40 [ 3958.193507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.193507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.193507][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.193507][ T10] netlink_unicast+0x449/0x710 [ 3958.193507][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.193507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.193507][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.193507][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.193507][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.193507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.193507][ T10] [ 3958.195723][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3958.195723][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3958.195723][ T10] ipv6_find_idev+0x102/0x170 [ 3958.195723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.195723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.195723][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.195723][ T10] netlink_unicast+0x449/0x710 [ 3958.195723][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.195723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.195723][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.195723][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.195723][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.195723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.195723][ T10] [ 3958.197413][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3958.197413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3958.197413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3958.197413][ T10] ipv6_find_idev+0x102/0x170 [ 3958.197413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.197413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.197413][ T10] netlink_rcv_skb+0x130/0x360 [ 3958.197413][ T10] netlink_unicast+0x449/0x710 [ 3958.197413][ T10] netlink_sendmsg+0x723/0xbe0 [ 3958.197413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3958.197413][ T10] ___sys_sendmsg+0xee/0x170 [ 3958.197413][ T10] __sys_sendmsg+0xcd/0x170 [ 3958.197413][ T10] do_syscall_64+0xc6/0x1e0 [ 3958.197413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.197413][ T10] [ 3968.360314][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3968.360758][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3968.360758][ T10] netdev_get_by_index+0x5e/0x80 [ 3968.360758][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3968.360758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3968.360758][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3968.360758][ T10] ipv6_add_addr+0x411/0x2000 [ 3968.360758][ T10] inet6_addr_add+0x30e/0xa40 [ 3968.360758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.360758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.360758][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.360758][ T10] netlink_unicast+0x449/0x710 [ 3968.360758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.360758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.360758][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.360758][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.360758][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.360758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.360758][ T10] [ 3968.362742][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3968.362742][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3968.362742][ T10] ipv6_find_idev+0x102/0x170 [ 3968.362742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.362742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.362742][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.362742][ T10] netlink_unicast+0x449/0x710 [ 3968.362742][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.362742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.362742][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.362742][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.362742][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.362742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.362742][ T10] [ 3968.364269][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3968.364269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3968.364269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3968.364269][ T10] ipv6_find_idev+0x102/0x170 [ 3968.364269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.364269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.364269][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.364269][ T10] netlink_unicast+0x449/0x710 [ 3968.364269][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.364269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.364269][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.364269][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.364269][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.364269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.364269][ T10] [ 3968.365934][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3968.366231][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3968.366231][ T10] netdev_get_by_index+0x5e/0x80 [ 3968.366231][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3968.366231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3968.366231][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3968.366231][ T10] ipv6_add_addr+0x411/0x2000 [ 3968.366231][ T10] inet6_addr_add+0x30e/0xa40 [ 3968.366231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.366231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.366231][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.366231][ T10] netlink_unicast+0x449/0x710 [ 3968.366231][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.366231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.366231][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.366231][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.366231][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.366231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.366231][ T10] [ 3968.368199][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3968.368199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3968.368199][ T10] ipv6_find_idev+0x102/0x170 [ 3968.368199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.368199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.368199][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.368199][ T10] netlink_unicast+0x449/0x710 [ 3968.368199][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.368199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.368199][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.368199][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.368199][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.368199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.368199][ T10] [ 3968.370092][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3968.370092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3968.370092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3968.370092][ T10] ipv6_find_idev+0x102/0x170 [ 3968.370092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.370092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.370092][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.370092][ T10] netlink_unicast+0x449/0x710 [ 3968.370092][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.370092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.370092][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.370092][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.370092][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.370092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.370092][ T10] [ 3968.371760][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3968.372029][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3968.372029][ T10] netdev_get_by_index+0x5e/0x80 [ 3968.372029][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3968.372029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3968.372029][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3968.372029][ T10] ipv6_add_addr+0x411/0x2000 [ 3968.372029][ T10] inet6_addr_add+0x30e/0xa40 [ 3968.372029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.372029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.372029][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.372029][ T10] netlink_unicast+0x449/0x710 [ 3968.372029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.372029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.372029][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.372029][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.372029][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.372029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.372029][ T10] [ 3968.374004][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3968.374004][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3968.374004][ T10] ipv6_find_idev+0x102/0x170 [ 3968.374004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.374004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.374004][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.374004][ T10] netlink_unicast+0x449/0x710 [ 3968.374004][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.374004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.374004][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.374004][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.374004][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.374004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.374004][ T10] [ 3968.375508][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3968.375508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3968.375508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3968.375508][ T10] ipv6_find_idev+0x102/0x170 [ 3968.375508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.375508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.375508][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.375508][ T10] netlink_unicast+0x449/0x710 [ 3968.375508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.375508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.375508][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.375508][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.375508][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.375508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.375508][ T10] [ 3968.377164][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3968.377424][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3968.377424][ T10] netdev_get_by_index+0x5e/0x80 [ 3968.377424][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3968.377424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3968.377424][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3968.377424][ T10] ipv6_add_addr+0x411/0x2000 [ 3968.377424][ T10] inet6_addr_add+0x30e/0xa40 [ 3968.377424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.377424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.377424][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.377424][ T10] netlink_unicast+0x449/0x710 [ 3968.377424][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.377424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.377424][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.377424][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.377424][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.377424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.377424][ T10] [ 3968.379393][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3968.379393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3968.379393][ T10] ipv6_find_idev+0x102/0x170 [ 3968.379393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.379393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.379393][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.379393][ T10] netlink_unicast+0x449/0x710 [ 3968.379393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.379393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.379393][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.379393][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.379393][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.379393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.379393][ T10] [ 3968.380905][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3968.380905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3968.380905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3968.380905][ T10] ipv6_find_idev+0x102/0x170 [ 3968.380905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.380905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.380905][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.380905][ T10] netlink_unicast+0x449/0x710 [ 3968.380905][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.380905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.380905][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.380905][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.380905][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.380905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.380905][ T10] [ 3968.382959][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3968.383561][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3968.383561][ T10] netdev_get_by_index+0x5e/0x80 [ 3968.383561][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3968.383561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3968.383561][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3968.383561][ T10] ipv6_add_addr+0x411/0x2000 [ 3968.383561][ T10] inet6_addr_add+0x30e/0xa40 [ 3968.383561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.383561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.383561][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.383561][ T10] netlink_unicast+0x449/0x710 [ 3968.383561][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.383561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.383561][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.383561][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.383561][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.383561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.383561][ T10] [ 3968.385509][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3968.385509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3968.385509][ T10] ipv6_find_idev+0x102/0x170 [ 3968.385509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.385509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.385509][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.385509][ T10] netlink_unicast+0x449/0x710 [ 3968.385509][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.385509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.385509][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.385509][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.385509][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.385509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.385509][ T10] [ 3968.387042][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3968.387042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3968.387042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3968.387042][ T10] ipv6_find_idev+0x102/0x170 [ 3968.387042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.387042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.387042][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.387042][ T10] netlink_unicast+0x449/0x710 [ 3968.387042][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.387042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.387042][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.387042][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.387042][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.387042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.387042][ T10] [ 3968.388692][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3968.388955][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3968.388955][ T10] netdev_get_by_index+0x5e/0x80 [ 3968.388955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3968.388955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3968.388955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3968.388955][ T10] ipv6_add_addr+0x411/0x2000 [ 3968.388955][ T10] inet6_addr_add+0x30e/0xa40 [ 3968.388955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.388955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.388955][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.388955][ T10] netlink_unicast+0x449/0x710 [ 3968.388955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.388955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.388955][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.388955][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.388955][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.388955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.388955][ T10] [ 3968.390920][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3968.390920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3968.390920][ T10] ipv6_find_idev+0x102/0x170 [ 3968.390920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.390920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.390920][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.390920][ T10] netlink_unicast+0x449/0x710 [ 3968.390920][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.390920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.390920][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.390920][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.390920][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.390920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.390920][ T10] [ 3968.392503][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3968.392503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3968.392503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3968.392503][ T10] ipv6_find_idev+0x102/0x170 [ 3968.392503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.392503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.392503][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.392503][ T10] netlink_unicast+0x449/0x710 [ 3968.392503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.392503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.392503][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.392503][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.392503][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.392503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.392503][ T10] [ 3968.394495][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3968.394755][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3968.394755][ T10] netdev_get_by_index+0x5e/0x80 [ 3968.394755][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3968.394755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3968.394755][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3968.394755][ T10] ipv6_add_addr+0x411/0x2000 [ 3968.394755][ T10] inet6_addr_add+0x30e/0xa40 [ 3968.394755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.394755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.394755][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.394755][ T10] netlink_unicast+0x449/0x710 [ 3968.394755][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.394755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.394755][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.394755][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.394755][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.394755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.394755][ T10] [ 3968.396898][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3968.396898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3968.396898][ T10] ipv6_find_idev+0x102/0x170 [ 3968.396898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.396898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.396898][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.396898][ T10] netlink_unicast+0x449/0x710 [ 3968.396898][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.396898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.396898][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.396898][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.396898][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.396898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.396898][ T10] [ 3968.398579][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3968.398579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3968.398579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3968.398579][ T10] ipv6_find_idev+0x102/0x170 [ 3968.398579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.398579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.398579][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.398579][ T10] netlink_unicast+0x449/0x710 [ 3968.398579][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.398579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.398579][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.398579][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.398579][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.398579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.398579][ T10] [ 3968.400510][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3968.400772][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3968.400772][ T10] netdev_get_by_index+0x5e/0x80 [ 3968.400772][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3968.400772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3968.400772][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3968.400772][ T10] ipv6_add_addr+0x411/0x2000 [ 3968.400772][ T10] inet6_addr_add+0x30e/0xa40 [ 3968.400772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.400772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.400772][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.400772][ T10] netlink_unicast+0x449/0x710 [ 3968.400772][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.400772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.400772][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.400772][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.400772][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.400772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.400772][ T10] [ 3968.402913][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3968.402913][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3968.402913][ T10] ipv6_find_idev+0x102/0x170 [ 3968.402913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.402913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.402913][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.402913][ T10] netlink_unicast+0x449/0x710 [ 3968.402913][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.402913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.402913][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.402913][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.402913][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.402913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.402913][ T10] [ 3968.404658][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3968.404658][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3968.404658][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3968.404658][ T10] ipv6_find_idev+0x102/0x170 [ 3968.404658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.404658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.404658][ T10] netlink_rcv_skb+0x130/0x360 [ 3968.404658][ T10] netlink_unicast+0x449/0x710 [ 3968.404658][ T10] netlink_sendmsg+0x723/0xbe0 [ 3968.404658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3968.404658][ T10] ___sys_sendmsg+0xee/0x170 [ 3968.404658][ T10] __sys_sendmsg+0xcd/0x170 [ 3968.404658][ T10] do_syscall_64+0xc6/0x1e0 [ 3968.404658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.404658][ T10] [ 3978.656328][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3978.656782][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3978.656782][ T10] netdev_get_by_index+0x5e/0x80 [ 3978.656782][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3978.656782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3978.656782][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3978.656782][ T10] ipv6_add_addr+0x411/0x2000 [ 3978.656782][ T10] inet6_addr_add+0x30e/0xa40 [ 3978.656782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.656782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.656782][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.656782][ T10] netlink_unicast+0x449/0x710 [ 3978.656782][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.656782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.656782][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.656782][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.656782][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.656782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.656782][ T10] [ 3978.658791][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3978.658791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3978.658791][ T10] ipv6_find_idev+0x102/0x170 [ 3978.658791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.658791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.658791][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.658791][ T10] netlink_unicast+0x449/0x710 [ 3978.658791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.658791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.658791][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.658791][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.658791][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.658791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.658791][ T10] [ 3978.660329][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3978.660329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3978.660329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3978.660329][ T10] ipv6_find_idev+0x102/0x170 [ 3978.660329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.660329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.660329][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.660329][ T10] netlink_unicast+0x449/0x710 [ 3978.660329][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.660329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.660329][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.660329][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.660329][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.660329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.660329][ T10] [ 3978.662039][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3978.662322][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3978.662322][ T10] netdev_get_by_index+0x5e/0x80 [ 3978.662322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3978.662322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3978.662322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3978.662322][ T10] ipv6_add_addr+0x411/0x2000 [ 3978.662322][ T10] inet6_addr_add+0x30e/0xa40 [ 3978.662322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.662322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.662322][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.662322][ T10] netlink_unicast+0x449/0x710 [ 3978.662322][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.662322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.662322][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.662322][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.662322][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.662322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.662322][ T10] [ 3978.664326][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3978.664326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3978.664326][ T10] ipv6_find_idev+0x102/0x170 [ 3978.664326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.664326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.664326][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.664326][ T10] netlink_unicast+0x449/0x710 [ 3978.664326][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.664326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.664326][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.664326][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.664326][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.664326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.664326][ T10] [ 3978.665869][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3978.665869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3978.665869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3978.665869][ T10] ipv6_find_idev+0x102/0x170 [ 3978.665869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.665869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.665869][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.665869][ T10] netlink_unicast+0x449/0x710 [ 3978.665869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.665869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.665869][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.665869][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.665869][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.665869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.665869][ T10] [ 3978.667565][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3978.667832][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3978.667832][ T10] netdev_get_by_index+0x5e/0x80 [ 3978.667832][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3978.667832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3978.667832][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3978.667832][ T10] ipv6_add_addr+0x411/0x2000 [ 3978.667832][ T10] inet6_addr_add+0x30e/0xa40 [ 3978.667832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.667832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.667832][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.667832][ T10] netlink_unicast+0x449/0x710 [ 3978.667832][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.667832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.667832][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.667832][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.667832][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.667832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.667832][ T10] [ 3978.669836][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3978.669836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3978.669836][ T10] ipv6_find_idev+0x102/0x170 [ 3978.669836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.669836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.669836][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.669836][ T10] netlink_unicast+0x449/0x710 [ 3978.669836][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.669836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.669836][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.669836][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.669836][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.669836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.669836][ T10] [ 3978.671364][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3978.671364][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3978.671364][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3978.671364][ T10] ipv6_find_idev+0x102/0x170 [ 3978.671364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.671364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.671364][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.671364][ T10] netlink_unicast+0x449/0x710 [ 3978.671364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.671364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.671364][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.671364][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.671364][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.671364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.671364][ T10] [ 3978.673060][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3978.673765][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3978.673765][ T10] netdev_get_by_index+0x5e/0x80 [ 3978.673765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3978.673765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3978.673765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3978.673765][ T10] ipv6_add_addr+0x411/0x2000 [ 3978.673765][ T10] inet6_addr_add+0x30e/0xa40 [ 3978.673765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.673765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.673765][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.673765][ T10] netlink_unicast+0x449/0x710 [ 3978.673765][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.673765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.673765][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.673765][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.673765][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.673765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.673765][ T10] [ 3978.675755][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3978.675755][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3978.675755][ T10] ipv6_find_idev+0x102/0x170 [ 3978.675755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.675755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.675755][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.675755][ T10] netlink_unicast+0x449/0x710 [ 3978.675755][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.675755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.675755][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.675755][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.675755][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.675755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.675755][ T10] [ 3978.677312][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3978.677312][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3978.677312][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3978.677312][ T10] ipv6_find_idev+0x102/0x170 [ 3978.677312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.677312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.677312][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.677312][ T10] netlink_unicast+0x449/0x710 [ 3978.677312][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.677312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.677312][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.677312][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.677312][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.677312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.677312][ T10] [ 3978.679044][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3978.679381][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3978.679381][ T10] netdev_get_by_index+0x5e/0x80 [ 3978.679381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3978.679381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3978.679381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3978.679381][ T10] ipv6_add_addr+0x411/0x2000 [ 3978.679381][ T10] inet6_addr_add+0x30e/0xa40 [ 3978.679381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.679381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.679381][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.679381][ T10] netlink_unicast+0x449/0x710 [ 3978.679381][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.679381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.679381][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.679381][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.679381][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.679381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.679381][ T10] [ 3978.681368][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3978.681368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3978.681368][ T10] ipv6_find_idev+0x102/0x170 [ 3978.681368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.681368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.681368][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.681368][ T10] netlink_unicast+0x449/0x710 [ 3978.681368][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.681368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.681368][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.681368][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.681368][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.681368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.681368][ T10] [ 3978.682899][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3978.682899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3978.682899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3978.682899][ T10] ipv6_find_idev+0x102/0x170 [ 3978.682899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.682899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.682899][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.682899][ T10] netlink_unicast+0x449/0x710 [ 3978.682899][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.682899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.682899][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.682899][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.682899][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.682899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.682899][ T10] [ 3978.684610][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3978.684922][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3978.684922][ T10] netdev_get_by_index+0x5e/0x80 [ 3978.684922][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3978.684922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3978.684922][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3978.684922][ T10] ipv6_add_addr+0x411/0x2000 [ 3978.684922][ T10] inet6_addr_add+0x30e/0xa40 [ 3978.684922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.684922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.684922][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.684922][ T10] netlink_unicast+0x449/0x710 [ 3978.684922][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.684922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.684922][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.684922][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.684922][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.684922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.684922][ T10] [ 3978.686969][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3978.686969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3978.686969][ T10] ipv6_find_idev+0x102/0x170 [ 3978.686969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.686969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.686969][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.686969][ T10] netlink_unicast+0x449/0x710 [ 3978.686969][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.686969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.686969][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.686969][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.686969][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.686969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.686969][ T10] [ 3978.688735][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3978.688735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3978.688735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3978.688735][ T10] ipv6_find_idev+0x102/0x170 [ 3978.688735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.688735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.688735][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.688735][ T10] netlink_unicast+0x449/0x710 [ 3978.688735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.688735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.688735][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.688735][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.688735][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.688735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.688735][ T10] [ 3978.690618][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3978.690934][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3978.690934][ T10] netdev_get_by_index+0x5e/0x80 [ 3978.690934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3978.690934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3978.690934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3978.690934][ T10] ipv6_add_addr+0x411/0x2000 [ 3978.690934][ T10] inet6_addr_add+0x30e/0xa40 [ 3978.690934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.690934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.690934][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.690934][ T10] netlink_unicast+0x449/0x710 [ 3978.690934][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.690934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.690934][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.690934][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.690934][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.690934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.690934][ T10] [ 3978.693094][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3978.693094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3978.693094][ T10] ipv6_find_idev+0x102/0x170 [ 3978.693094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.693094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.693094][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.693094][ T10] netlink_unicast+0x449/0x710 [ 3978.693094][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.693094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.693094][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.693094][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.693094][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.693094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.693094][ T10] [ 3978.694795][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3978.694795][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3978.694795][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3978.694795][ T10] ipv6_find_idev+0x102/0x170 [ 3978.694795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.694795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.694795][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.694795][ T10] netlink_unicast+0x449/0x710 [ 3978.694795][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.694795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.694795][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.694795][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.694795][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.694795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.694795][ T10] [ 3978.696695][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3978.697003][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3978.697003][ T10] netdev_get_by_index+0x5e/0x80 [ 3978.697003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3978.697003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3978.697003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3978.697003][ T10] ipv6_add_addr+0x411/0x2000 [ 3978.697003][ T10] inet6_addr_add+0x30e/0xa40 [ 3978.697003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.697003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.697003][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.697003][ T10] netlink_unicast+0x449/0x710 [ 3978.697003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.697003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.697003][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.697003][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.697003][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.697003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.697003][ T10] [ 3978.699163][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3978.699163][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3978.699163][ T10] ipv6_find_idev+0x102/0x170 [ 3978.699163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.699163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.699163][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.699163][ T10] netlink_unicast+0x449/0x710 [ 3978.699163][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.699163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.699163][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.699163][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.699163][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.699163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.699163][ T10] [ 3978.700933][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3978.700933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3978.700933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3978.700933][ T10] ipv6_find_idev+0x102/0x170 [ 3978.700933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.700933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.700933][ T10] netlink_rcv_skb+0x130/0x360 [ 3978.700933][ T10] netlink_unicast+0x449/0x710 [ 3978.700933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3978.700933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3978.700933][ T10] ___sys_sendmsg+0xee/0x170 [ 3978.700933][ T10] __sys_sendmsg+0xcd/0x170 [ 3978.700933][ T10] do_syscall_64+0xc6/0x1e0 [ 3978.700933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.700933][ T10] [ 3988.712222][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3988.713163][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3988.713163][ T10] netdev_get_by_index+0x5e/0x80 [ 3988.713163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3988.713163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3988.713163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3988.713163][ T10] ipv6_add_addr+0x411/0x2000 [ 3988.713163][ T10] inet6_addr_add+0x30e/0xa40 [ 3988.713163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.713163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.713163][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.713163][ T10] netlink_unicast+0x449/0x710 [ 3988.713163][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.713163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.713163][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.713163][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.713163][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.713163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.713163][ T10] [ 3988.715138][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3988.715138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3988.715138][ T10] ipv6_find_idev+0x102/0x170 [ 3988.715138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.715138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.715138][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.715138][ T10] netlink_unicast+0x449/0x710 [ 3988.715138][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.715138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.715138][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.715138][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.715138][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.715138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.715138][ T10] [ 3988.716693][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3988.716693][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3988.716693][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3988.716693][ T10] ipv6_find_idev+0x102/0x170 [ 3988.716693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.716693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.716693][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.716693][ T10] netlink_unicast+0x449/0x710 [ 3988.716693][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.716693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.716693][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.716693][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.716693][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.716693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.716693][ T10] [ 3988.718345][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3988.718625][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3988.718625][ T10] netdev_get_by_index+0x5e/0x80 [ 3988.718625][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3988.718625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3988.718625][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3988.718625][ T10] ipv6_add_addr+0x411/0x2000 [ 3988.718625][ T10] inet6_addr_add+0x30e/0xa40 [ 3988.718625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.718625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.718625][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.718625][ T10] netlink_unicast+0x449/0x710 [ 3988.718625][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.718625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.718625][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.718625][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.718625][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.718625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.718625][ T10] [ 3988.720580][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3988.720580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3988.720580][ T10] ipv6_find_idev+0x102/0x170 [ 3988.720580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.720580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.720580][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.720580][ T10] netlink_unicast+0x449/0x710 [ 3988.720580][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.720580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.720580][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.720580][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.720580][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.720580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.720580][ T10] [ 3988.722117][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3988.722117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3988.722117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3988.722117][ T10] ipv6_find_idev+0x102/0x170 [ 3988.722117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.722117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.722117][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.722117][ T10] netlink_unicast+0x449/0x710 [ 3988.722117][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.722117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.722117][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.722117][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.722117][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.722117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.722117][ T10] [ 3988.723779][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3988.724055][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3988.724055][ T10] netdev_get_by_index+0x5e/0x80 [ 3988.724055][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3988.724055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3988.724055][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3988.724055][ T10] ipv6_add_addr+0x411/0x2000 [ 3988.724055][ T10] inet6_addr_add+0x30e/0xa40 [ 3988.724055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.724055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.724055][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.724055][ T10] netlink_unicast+0x449/0x710 [ 3988.724055][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.724055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.724055][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.724055][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.724055][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.724055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.724055][ T10] [ 3988.726006][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3988.726006][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3988.726006][ T10] ipv6_find_idev+0x102/0x170 [ 3988.726006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.726006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.726006][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.726006][ T10] netlink_unicast+0x449/0x710 [ 3988.726006][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.726006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.726006][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.726006][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.726006][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.726006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.726006][ T10] [ 3988.727546][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3988.727546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3988.727546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3988.727546][ T10] ipv6_find_idev+0x102/0x170 [ 3988.727546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.727546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.727546][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.727546][ T10] netlink_unicast+0x449/0x710 [ 3988.727546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.727546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.727546][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.727546][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.727546][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.727546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.727546][ T10] [ 3988.729224][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3988.729480][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3988.729480][ T10] netdev_get_by_index+0x5e/0x80 [ 3988.729480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3988.729480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3988.729480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3988.729480][ T10] ipv6_add_addr+0x411/0x2000 [ 3988.729480][ T10] inet6_addr_add+0x30e/0xa40 [ 3988.729480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.729480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.729480][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.729480][ T10] netlink_unicast+0x449/0x710 [ 3988.729480][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.729480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.729480][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.729480][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.729480][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.729480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.729480][ T10] [ 3988.731829][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3988.731829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3988.731829][ T10] ipv6_find_idev+0x102/0x170 [ 3988.731829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.731829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.731829][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.731829][ T10] netlink_unicast+0x449/0x710 [ 3988.731829][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.731829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.731829][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.731829][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.731829][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.731829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.731829][ T10] [ 3988.733344][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3988.733344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3988.733344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3988.733344][ T10] ipv6_find_idev+0x102/0x170 [ 3988.733344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.733344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.733344][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.733344][ T10] netlink_unicast+0x449/0x710 [ 3988.733344][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.733344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.733344][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.733344][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.733344][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.733344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.733344][ T10] [ 3988.735379][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3988.735645][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3988.735645][ T10] netdev_get_by_index+0x5e/0x80 [ 3988.735645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3988.735645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3988.735645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3988.735645][ T10] ipv6_add_addr+0x411/0x2000 [ 3988.735645][ T10] inet6_addr_add+0x30e/0xa40 [ 3988.735645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.735645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.735645][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.735645][ T10] netlink_unicast+0x449/0x710 [ 3988.735645][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.735645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.735645][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.735645][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.735645][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.735645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.735645][ T10] [ 3988.737598][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3988.737598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3988.737598][ T10] ipv6_find_idev+0x102/0x170 [ 3988.737598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.737598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.737598][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.737598][ T10] netlink_unicast+0x449/0x710 [ 3988.737598][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.737598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.737598][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.737598][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.737598][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.737598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.737598][ T10] [ 3988.739109][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3988.739109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3988.739109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3988.739109][ T10] ipv6_find_idev+0x102/0x170 [ 3988.739109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.739109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.739109][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.739109][ T10] netlink_unicast+0x449/0x710 [ 3988.739109][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.739109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.739109][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.739109][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.739109][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.739109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.739109][ T10] [ 3988.740797][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3988.741063][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3988.741063][ T10] netdev_get_by_index+0x5e/0x80 [ 3988.741063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3988.741063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3988.741063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3988.741063][ T10] ipv6_add_addr+0x411/0x2000 [ 3988.741063][ T10] inet6_addr_add+0x30e/0xa40 [ 3988.741063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.741063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.741063][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.741063][ T10] netlink_unicast+0x449/0x710 [ 3988.741063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.741063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.741063][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.741063][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.741063][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.741063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.741063][ T10] [ 3988.743154][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3988.743154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3988.743154][ T10] ipv6_find_idev+0x102/0x170 [ 3988.743154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.743154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.743154][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.743154][ T10] netlink_unicast+0x449/0x710 [ 3988.743154][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.743154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.743154][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.743154][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.743154][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.743154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.743154][ T10] [ 3988.744924][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3988.744924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3988.744924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3988.744924][ T10] ipv6_find_idev+0x102/0x170 [ 3988.744924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.744924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.744924][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.744924][ T10] netlink_unicast+0x449/0x710 [ 3988.744924][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.744924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.744924][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.744924][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.744924][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.744924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.744924][ T10] [ 3988.746795][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3988.747054][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3988.747054][ T10] netdev_get_by_index+0x5e/0x80 [ 3988.747054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3988.747054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3988.747054][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3988.747054][ T10] ipv6_add_addr+0x411/0x2000 [ 3988.747054][ T10] inet6_addr_add+0x30e/0xa40 [ 3988.747054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.747054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.747054][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.747054][ T10] netlink_unicast+0x449/0x710 [ 3988.747054][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.747054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.747054][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.747054][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.747054][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.747054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.747054][ T10] [ 3988.749167][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3988.749167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3988.749167][ T10] ipv6_find_idev+0x102/0x170 [ 3988.749167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.749167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.749167][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.749167][ T10] netlink_unicast+0x449/0x710 [ 3988.749167][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.749167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.749167][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.749167][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.749167][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.749167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.749167][ T10] [ 3988.750809][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3988.750809][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3988.750809][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3988.750809][ T10] ipv6_find_idev+0x102/0x170 [ 3988.750809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.750809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.750809][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.750809][ T10] netlink_unicast+0x449/0x710 [ 3988.750809][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.750809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.750809][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.750809][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.750809][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.750809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.750809][ T10] [ 3988.752690][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3988.752965][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3988.752965][ T10] netdev_get_by_index+0x5e/0x80 [ 3988.752965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3988.752965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3988.752965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3988.752965][ T10] ipv6_add_addr+0x411/0x2000 [ 3988.752965][ T10] inet6_addr_add+0x30e/0xa40 [ 3988.752965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3988.752965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.752965][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.752965][ T10] netlink_unicast+0x449/0x710 [ 3988.752965][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.752965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.752965][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.752965][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.752965][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.752965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.752965][ T10] [ 3988.755180][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3988.755180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3988.755180][ T10] ipv6_find_idev+0x102/0x170 [ 3988.755180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.755180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.755180][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.755180][ T10] netlink_unicast+0x449/0x710 [ 3988.755180][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.755180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.755180][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.755180][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.755180][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.755180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.755180][ T10] [ 3988.756876][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3988.756876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3988.756876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3988.756876][ T10] ipv6_find_idev+0x102/0x170 [ 3988.756876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3988.756876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3988.756876][ T10] netlink_rcv_skb+0x130/0x360 [ 3988.756876][ T10] netlink_unicast+0x449/0x710 [ 3988.756876][ T10] netlink_sendmsg+0x723/0xbe0 [ 3988.756876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3988.756876][ T10] ___sys_sendmsg+0xee/0x170 [ 3988.756876][ T10] __sys_sendmsg+0xcd/0x170 [ 3988.756876][ T10] do_syscall_64+0xc6/0x1e0 [ 3988.756876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3988.756876][ T10] [ 3999.000275][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3999.001159][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3999.001159][ T10] netdev_get_by_index+0x5e/0x80 [ 3999.001159][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3999.001159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3999.001159][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3999.001159][ T10] ipv6_add_addr+0x411/0x2000 [ 3999.001159][ T10] inet6_addr_add+0x30e/0xa40 [ 3999.001159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.001159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.001159][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.001159][ T10] netlink_unicast+0x449/0x710 [ 3999.001159][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.001159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.001159][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.001159][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.001159][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.001159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.001159][ T10] [ 3999.003100][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3999.003100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3999.003100][ T10] ipv6_find_idev+0x102/0x170 [ 3999.003100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.003100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.003100][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.003100][ T10] netlink_unicast+0x449/0x710 [ 3999.003100][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.003100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.003100][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.003100][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.003100][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.003100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.003100][ T10] [ 3999.004615][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 3999.004615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3999.004615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3999.004615][ T10] ipv6_find_idev+0x102/0x170 [ 3999.004615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.004615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.004615][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.004615][ T10] netlink_unicast+0x449/0x710 [ 3999.004615][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.004615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.004615][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.004615][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.004615][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.004615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.004615][ T10] [ 3999.006310][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3999.006577][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3999.006577][ T10] netdev_get_by_index+0x5e/0x80 [ 3999.006577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3999.006577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3999.006577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3999.006577][ T10] ipv6_add_addr+0x411/0x2000 [ 3999.006577][ T10] inet6_addr_add+0x30e/0xa40 [ 3999.006577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.006577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.006577][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.006577][ T10] netlink_unicast+0x449/0x710 [ 3999.006577][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.006577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.006577][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.006577][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.006577][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.006577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.006577][ T10] [ 3999.008522][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3999.008522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3999.008522][ T10] ipv6_find_idev+0x102/0x170 [ 3999.008522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.008522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.008522][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.008522][ T10] netlink_unicast+0x449/0x710 [ 3999.008522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.008522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.008522][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.008522][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.008522][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.008522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.008522][ T10] [ 3999.009999][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 3999.009999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3999.009999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3999.009999][ T10] ipv6_find_idev+0x102/0x170 [ 3999.009999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.009999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.009999][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.009999][ T10] netlink_unicast+0x449/0x710 [ 3999.009999][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.009999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.009999][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.009999][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.009999][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.009999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.009999][ T10] [ 3999.011626][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3999.011904][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3999.011904][ T10] netdev_get_by_index+0x5e/0x80 [ 3999.011904][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3999.011904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3999.011904][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3999.011904][ T10] ipv6_add_addr+0x411/0x2000 [ 3999.011904][ T10] inet6_addr_add+0x30e/0xa40 [ 3999.011904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.011904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.011904][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.011904][ T10] netlink_unicast+0x449/0x710 [ 3999.011904][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.011904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.011904][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.011904][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.011904][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.011904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.011904][ T10] [ 3999.013884][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3999.013884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3999.013884][ T10] ipv6_find_idev+0x102/0x170 [ 3999.013884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.013884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.013884][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.013884][ T10] netlink_unicast+0x449/0x710 [ 3999.013884][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.013884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.013884][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.013884][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.013884][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.013884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.013884][ T10] [ 3999.015396][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 3999.015396][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3999.015396][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3999.015396][ T10] ipv6_find_idev+0x102/0x170 [ 3999.015396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.015396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.015396][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.015396][ T10] netlink_unicast+0x449/0x710 [ 3999.015396][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.015396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.015396][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.015396][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.015396][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.015396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.015396][ T10] [ 3999.017055][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3999.017749][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3999.017749][ T10] netdev_get_by_index+0x5e/0x80 [ 3999.017749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3999.017749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3999.017749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3999.017749][ T10] ipv6_add_addr+0x411/0x2000 [ 3999.017749][ T10] inet6_addr_add+0x30e/0xa40 [ 3999.017749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.017749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.017749][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.017749][ T10] netlink_unicast+0x449/0x710 [ 3999.017749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.017749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.017749][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.017749][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.017749][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.017749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.017749][ T10] [ 3999.019719][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3999.019719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3999.019719][ T10] ipv6_find_idev+0x102/0x170 [ 3999.019719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.019719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.019719][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.019719][ T10] netlink_unicast+0x449/0x710 [ 3999.019719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.019719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.019719][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.019719][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.019719][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.019719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.019719][ T10] [ 3999.021212][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 3999.021212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3999.021212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3999.021212][ T10] ipv6_find_idev+0x102/0x170 [ 3999.021212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.021212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.021212][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.021212][ T10] netlink_unicast+0x449/0x710 [ 3999.021212][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.021212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.021212][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.021212][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.021212][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.021212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.021212][ T10] [ 3999.022916][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3999.023229][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3999.023229][ T10] netdev_get_by_index+0x5e/0x80 [ 3999.023229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3999.023229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3999.023229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3999.023229][ T10] ipv6_add_addr+0x411/0x2000 [ 3999.023229][ T10] inet6_addr_add+0x30e/0xa40 [ 3999.023229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.023229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.023229][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.023229][ T10] netlink_unicast+0x449/0x710 [ 3999.023229][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.023229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.023229][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.023229][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.023229][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.023229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.023229][ T10] [ 3999.025189][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3999.025189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3999.025189][ T10] ipv6_find_idev+0x102/0x170 [ 3999.025189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.025189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.025189][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.025189][ T10] netlink_unicast+0x449/0x710 [ 3999.025189][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.025189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.025189][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.025189][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.025189][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.025189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.025189][ T10] [ 3999.026722][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 3999.026722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3999.026722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3999.026722][ T10] ipv6_find_idev+0x102/0x170 [ 3999.026722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.026722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.026722][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.026722][ T10] netlink_unicast+0x449/0x710 [ 3999.026722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.026722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.026722][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.026722][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.026722][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.026722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.026722][ T10] [ 3999.028408][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3999.028668][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3999.028668][ T10] netdev_get_by_index+0x5e/0x80 [ 3999.028668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3999.028668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3999.028668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3999.028668][ T10] ipv6_add_addr+0x411/0x2000 [ 3999.028668][ T10] inet6_addr_add+0x30e/0xa40 [ 3999.028668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.028668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.028668][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.028668][ T10] netlink_unicast+0x449/0x710 [ 3999.028668][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.028668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.028668][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.028668][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.028668][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.028668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.028668][ T10] [ 3999.030687][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3999.030687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3999.030687][ T10] ipv6_find_idev+0x102/0x170 [ 3999.030687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.030687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.030687][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.030687][ T10] netlink_unicast+0x449/0x710 [ 3999.030687][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.030687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.030687][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.030687][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.030687][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.030687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.030687][ T10] [ 3999.032425][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 3999.032425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3999.032425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3999.032425][ T10] ipv6_find_idev+0x102/0x170 [ 3999.032425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.032425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.032425][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.032425][ T10] netlink_unicast+0x449/0x710 [ 3999.032425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.032425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.032425][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.032425][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.032425][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.032425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.032425][ T10] [ 3999.034398][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3999.034661][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3999.034661][ T10] netdev_get_by_index+0x5e/0x80 [ 3999.034661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3999.034661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3999.034661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3999.034661][ T10] ipv6_add_addr+0x411/0x2000 [ 3999.034661][ T10] inet6_addr_add+0x30e/0xa40 [ 3999.034661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.034661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.034661][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.034661][ T10] netlink_unicast+0x449/0x710 [ 3999.034661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.034661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.034661][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.034661][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.034661][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.034661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.034661][ T10] [ 3999.036830][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3999.036830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3999.036830][ T10] ipv6_find_idev+0x102/0x170 [ 3999.036830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.036830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.036830][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.036830][ T10] netlink_unicast+0x449/0x710 [ 3999.036830][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.036830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.036830][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.036830][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.036830][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.036830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.036830][ T10] [ 3999.038494][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 3999.038494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3999.038494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3999.038494][ T10] ipv6_find_idev+0x102/0x170 [ 3999.038494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.038494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.038494][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.038494][ T10] netlink_unicast+0x449/0x710 [ 3999.038494][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.038494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.038494][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.038494][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.038494][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.038494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.038494][ T10] [ 3999.040333][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3999.040643][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3999.040643][ T10] netdev_get_by_index+0x5e/0x80 [ 3999.040643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3999.040643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3999.040643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3999.040643][ T10] ipv6_add_addr+0x411/0x2000 [ 3999.040643][ T10] inet6_addr_add+0x30e/0xa40 [ 3999.040643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.040643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.040643][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.040643][ T10] netlink_unicast+0x449/0x710 [ 3999.040643][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.040643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.040643][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.040643][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.040643][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.040643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.040643][ T10] [ 3999.042808][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3999.042808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3999.042808][ T10] ipv6_find_idev+0x102/0x170 [ 3999.042808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.042808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.042808][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.042808][ T10] netlink_unicast+0x449/0x710 [ 3999.042808][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.042808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.042808][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.042808][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.042808][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.042808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.042808][ T10] [ 3999.044479][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 3999.044479][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3999.044479][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3999.044479][ T10] ipv6_find_idev+0x102/0x170 [ 3999.044479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.044479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.044479][ T10] netlink_rcv_skb+0x130/0x360 [ 3999.044479][ T10] netlink_unicast+0x449/0x710 [ 3999.044479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3999.044479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3999.044479][ T10] ___sys_sendmsg+0xee/0x170 [ 3999.044479][ T10] __sys_sendmsg+0xcd/0x170 [ 3999.044479][ T10] do_syscall_64+0xc6/0x1e0 [ 3999.044479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.044479][ T10] [ 4009.288367][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4009.289300][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4009.289300][ T10] netdev_get_by_index+0x5e/0x80 [ 4009.289300][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4009.289300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4009.289300][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4009.289300][ T10] ipv6_add_addr+0x411/0x2000 [ 4009.289300][ T10] inet6_addr_add+0x30e/0xa40 [ 4009.289300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.289300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.289300][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.289300][ T10] netlink_unicast+0x449/0x710 [ 4009.289300][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.289300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.289300][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.289300][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.289300][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.289300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.289300][ T10] [ 4009.291306][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4009.291306][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4009.291306][ T10] ipv6_find_idev+0x102/0x170 [ 4009.291306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.291306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.291306][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.291306][ T10] netlink_unicast+0x449/0x710 [ 4009.291306][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.291306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.291306][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.291306][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.291306][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.291306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.291306][ T10] [ 4009.292846][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4009.292846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4009.292846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4009.292846][ T10] ipv6_find_idev+0x102/0x170 [ 4009.292846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.292846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.292846][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.292846][ T10] netlink_unicast+0x449/0x710 [ 4009.292846][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.292846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.292846][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.292846][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.292846][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.292846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.292846][ T10] [ 4009.294480][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4009.294739][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4009.294739][ T10] netdev_get_by_index+0x5e/0x80 [ 4009.294739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4009.294739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4009.294739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4009.294739][ T10] ipv6_add_addr+0x411/0x2000 [ 4009.294739][ T10] inet6_addr_add+0x30e/0xa40 [ 4009.294739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.294739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.294739][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.294739][ T10] netlink_unicast+0x449/0x710 [ 4009.294739][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.294739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.294739][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.294739][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.294739][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.294739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.294739][ T10] [ 4009.296664][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4009.296664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4009.296664][ T10] ipv6_find_idev+0x102/0x170 [ 4009.296664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.296664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.296664][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.296664][ T10] netlink_unicast+0x449/0x710 [ 4009.296664][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.296664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.296664][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.296664][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.296664][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.296664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.296664][ T10] [ 4009.298139][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4009.298139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4009.298139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4009.298139][ T10] ipv6_find_idev+0x102/0x170 [ 4009.298139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.298139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.298139][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.298139][ T10] netlink_unicast+0x449/0x710 [ 4009.298139][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.298139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.298139][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.298139][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.298139][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.298139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.298139][ T10] [ 4009.299806][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4009.300071][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4009.300071][ T10] netdev_get_by_index+0x5e/0x80 [ 4009.300071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4009.300071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4009.300071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4009.300071][ T10] ipv6_add_addr+0x411/0x2000 [ 4009.300071][ T10] inet6_addr_add+0x30e/0xa40 [ 4009.300071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.300071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.300071][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.300071][ T10] netlink_unicast+0x449/0x710 [ 4009.300071][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.300071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.300071][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.300071][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.300071][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.300071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.300071][ T10] [ 4009.302071][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4009.302071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4009.302071][ T10] ipv6_find_idev+0x102/0x170 [ 4009.302071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.302071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.302071][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.302071][ T10] netlink_unicast+0x449/0x710 [ 4009.302071][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.302071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.302071][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.302071][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.302071][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.302071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.302071][ T10] [ 4009.303587][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4009.303587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4009.303587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4009.303587][ T10] ipv6_find_idev+0x102/0x170 [ 4009.303587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.303587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.303587][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.303587][ T10] netlink_unicast+0x449/0x710 [ 4009.303587][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.303587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.303587][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.303587][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.303587][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.303587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.303587][ T10] [ 4009.305293][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4009.305558][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4009.305558][ T10] netdev_get_by_index+0x5e/0x80 [ 4009.305558][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4009.305558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4009.305558][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4009.305558][ T10] ipv6_add_addr+0x411/0x2000 [ 4009.305558][ T10] inet6_addr_add+0x30e/0xa40 [ 4009.305558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.305558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.305558][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.305558][ T10] netlink_unicast+0x449/0x710 [ 4009.305558][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.305558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.305558][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.305558][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.305558][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.305558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.305558][ T10] [ 4009.307529][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4009.307529][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4009.307529][ T10] ipv6_find_idev+0x102/0x170 [ 4009.307529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.307529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.307529][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.307529][ T10] netlink_unicast+0x449/0x710 [ 4009.307529][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.307529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.307529][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.307529][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.307529][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.307529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.307529][ T10] [ 4009.309049][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4009.309049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4009.309049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4009.309049][ T10] ipv6_find_idev+0x102/0x170 [ 4009.309049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.309049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.309049][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.309049][ T10] netlink_unicast+0x449/0x710 [ 4009.309049][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.309049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.309049][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.309049][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.309049][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.309049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.309049][ T10] [ 4009.310710][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4009.310985][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4009.310985][ T10] netdev_get_by_index+0x5e/0x80 [ 4009.310985][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4009.310985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4009.310985][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4009.310985][ T10] ipv6_add_addr+0x411/0x2000 [ 4009.310985][ T10] inet6_addr_add+0x30e/0xa40 [ 4009.310985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.310985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.310985][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.310985][ T10] netlink_unicast+0x449/0x710 [ 4009.310985][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.310985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.310985][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.310985][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.310985][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.310985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.310985][ T10] [ 4009.312969][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4009.312969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4009.312969][ T10] ipv6_find_idev+0x102/0x170 [ 4009.312969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.312969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.312969][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.312969][ T10] netlink_unicast+0x449/0x710 [ 4009.312969][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.312969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.312969][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.312969][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.312969][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.312969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.312969][ T10] [ 4009.314543][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4009.314543][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4009.314543][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4009.314543][ T10] ipv6_find_idev+0x102/0x170 [ 4009.314543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.314543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.314543][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.314543][ T10] netlink_unicast+0x449/0x710 [ 4009.314543][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.314543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.314543][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.314543][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.314543][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.314543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.314543][ T10] [ 4009.316395][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4009.316654][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4009.316654][ T10] netdev_get_by_index+0x5e/0x80 [ 4009.316654][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4009.316654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4009.316654][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4009.316654][ T10] ipv6_add_addr+0x411/0x2000 [ 4009.316654][ T10] inet6_addr_add+0x30e/0xa40 [ 4009.316654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.316654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.316654][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.316654][ T10] netlink_unicast+0x449/0x710 [ 4009.316654][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.316654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.316654][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.316654][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.316654][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.316654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.316654][ T10] [ 4009.318885][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4009.318885][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4009.318885][ T10] ipv6_find_idev+0x102/0x170 [ 4009.318885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.318885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.318885][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.318885][ T10] netlink_unicast+0x449/0x710 [ 4009.318885][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.318885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.318885][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.318885][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.318885][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.318885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.318885][ T10] [ 4009.320560][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4009.320560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4009.320560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4009.320560][ T10] ipv6_find_idev+0x102/0x170 [ 4009.320560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.320560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.320560][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.320560][ T10] netlink_unicast+0x449/0x710 [ 4009.320560][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.320560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.320560][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.320560][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.320560][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.320560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.320560][ T10] [ 4009.322369][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4009.322628][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4009.322628][ T10] netdev_get_by_index+0x5e/0x80 [ 4009.322628][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4009.322628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4009.322628][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4009.322628][ T10] ipv6_add_addr+0x411/0x2000 [ 4009.322628][ T10] inet6_addr_add+0x30e/0xa40 [ 4009.322628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.322628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.322628][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.322628][ T10] netlink_unicast+0x449/0x710 [ 4009.322628][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.322628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.322628][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.322628][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.322628][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.322628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.322628][ T10] [ 4009.324819][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4009.324819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4009.324819][ T10] ipv6_find_idev+0x102/0x170 [ 4009.324819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.324819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.324819][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.324819][ T10] netlink_unicast+0x449/0x710 [ 4009.324819][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.324819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.324819][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.324819][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.324819][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.324819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.324819][ T10] [ 4009.326498][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4009.326498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4009.326498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4009.326498][ T10] ipv6_find_idev+0x102/0x170 [ 4009.326498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.326498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.326498][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.326498][ T10] netlink_unicast+0x449/0x710 [ 4009.326498][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.326498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.326498][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.326498][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.326498][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.326498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.326498][ T10] [ 4009.328416][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4009.328677][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4009.328677][ T10] netdev_get_by_index+0x5e/0x80 [ 4009.328677][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4009.328677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4009.328677][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4009.328677][ T10] ipv6_add_addr+0x411/0x2000 [ 4009.328677][ T10] inet6_addr_add+0x30e/0xa40 [ 4009.328677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.328677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.328677][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.328677][ T10] netlink_unicast+0x449/0x710 [ 4009.328677][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.328677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.328677][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.328677][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.328677][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.328677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.328677][ T10] [ 4009.330854][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4009.330854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4009.330854][ T10] ipv6_find_idev+0x102/0x170 [ 4009.330854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.330854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.330854][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.330854][ T10] netlink_unicast+0x449/0x710 [ 4009.330854][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.330854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.330854][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.330854][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.330854][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.330854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.330854][ T10] [ 4009.332557][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4009.332557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4009.332557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4009.332557][ T10] ipv6_find_idev+0x102/0x170 [ 4009.332557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.332557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.332557][ T10] netlink_rcv_skb+0x130/0x360 [ 4009.332557][ T10] netlink_unicast+0x449/0x710 [ 4009.332557][ T10] netlink_sendmsg+0x723/0xbe0 [ 4009.332557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4009.332557][ T10] ___sys_sendmsg+0xee/0x170 [ 4009.332557][ T10] __sys_sendmsg+0xcd/0x170 [ 4009.332557][ T10] do_syscall_64+0xc6/0x1e0 [ 4009.332557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.332557][ T10] [ 4019.576280][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4019.577131][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4019.577131][ T10] netdev_get_by_index+0x5e/0x80 [ 4019.577131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4019.577131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4019.577131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4019.577131][ T10] ipv6_add_addr+0x411/0x2000 [ 4019.577131][ T10] inet6_addr_add+0x30e/0xa40 [ 4019.577131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.577131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.577131][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.577131][ T10] netlink_unicast+0x449/0x710 [ 4019.577131][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.577131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.577131][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.577131][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.577131][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.577131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.577131][ T10] [ 4019.579066][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4019.579066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4019.579066][ T10] ipv6_find_idev+0x102/0x170 [ 4019.579066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.579066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.579066][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.579066][ T10] netlink_unicast+0x449/0x710 [ 4019.579066][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.579066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.579066][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.579066][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.579066][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.579066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.579066][ T10] [ 4019.580550][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4019.580550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4019.580550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4019.580550][ T10] ipv6_find_idev+0x102/0x170 [ 4019.580550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.580550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.580550][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.580550][ T10] netlink_unicast+0x449/0x710 [ 4019.580550][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.580550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.580550][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.580550][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.580550][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.580550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.580550][ T10] [ 4019.582177][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4019.582451][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4019.582451][ T10] netdev_get_by_index+0x5e/0x80 [ 4019.582451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4019.582451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4019.582451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4019.582451][ T10] ipv6_add_addr+0x411/0x2000 [ 4019.582451][ T10] inet6_addr_add+0x30e/0xa40 [ 4019.582451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.582451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.582451][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.582451][ T10] netlink_unicast+0x449/0x710 [ 4019.582451][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.582451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.582451][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.582451][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.582451][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.582451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.582451][ T10] [ 4019.584369][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4019.584369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4019.584369][ T10] ipv6_find_idev+0x102/0x170 [ 4019.584369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.584369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.584369][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.584369][ T10] netlink_unicast+0x449/0x710 [ 4019.584369][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.584369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.584369][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.584369][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.584369][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.584369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.584369][ T10] [ 4019.585854][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4019.585854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4019.585854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4019.585854][ T10] ipv6_find_idev+0x102/0x170 [ 4019.585854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.585854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.585854][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.585854][ T10] netlink_unicast+0x449/0x710 [ 4019.585854][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.585854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.585854][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.585854][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.585854][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.585854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.585854][ T10] [ 4019.587483][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4019.587742][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4019.587742][ T10] netdev_get_by_index+0x5e/0x80 [ 4019.587742][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4019.587742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4019.587742][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4019.587742][ T10] ipv6_add_addr+0x411/0x2000 [ 4019.587742][ T10] inet6_addr_add+0x30e/0xa40 [ 4019.587742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.587742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.587742][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.587742][ T10] netlink_unicast+0x449/0x710 [ 4019.587742][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.587742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.587742][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.587742][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.587742][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.587742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.587742][ T10] [ 4019.589661][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4019.589661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4019.589661][ T10] ipv6_find_idev+0x102/0x170 [ 4019.589661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.589661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.589661][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.589661][ T10] netlink_unicast+0x449/0x710 [ 4019.589661][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.589661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.589661][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.589661][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.589661][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.589661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.589661][ T10] [ 4019.591163][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4019.591163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4019.591163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4019.591163][ T10] ipv6_find_idev+0x102/0x170 [ 4019.591163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.591163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.591163][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.591163][ T10] netlink_unicast+0x449/0x710 [ 4019.591163][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.591163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.591163][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.591163][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.591163][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.591163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.591163][ T10] [ 4019.592806][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4019.593085][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4019.593085][ T10] netdev_get_by_index+0x5e/0x80 [ 4019.593085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4019.593085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4019.593085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4019.593085][ T10] ipv6_add_addr+0x411/0x2000 [ 4019.593085][ T10] inet6_addr_add+0x30e/0xa40 [ 4019.593085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.593085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.593085][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.593085][ T10] netlink_unicast+0x449/0x710 [ 4019.593085][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.593085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.593085][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.593085][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.593085][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.593085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.593085][ T10] [ 4019.595058][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4019.595058][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4019.595058][ T10] ipv6_find_idev+0x102/0x170 [ 4019.595058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.595058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.595058][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.595058][ T10] netlink_unicast+0x449/0x710 [ 4019.595058][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.595058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.595058][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.595058][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.595058][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.595058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.595058][ T10] [ 4019.596609][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4019.596609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4019.596609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4019.596609][ T10] ipv6_find_idev+0x102/0x170 [ 4019.596609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.596609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.596609][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.596609][ T10] netlink_unicast+0x449/0x710 [ 4019.596609][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.596609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.596609][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.596609][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.596609][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.596609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.596609][ T10] [ 4019.598671][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4019.598934][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4019.598934][ T10] netdev_get_by_index+0x5e/0x80 [ 4019.598934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4019.598934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4019.598934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4019.598934][ T10] ipv6_add_addr+0x411/0x2000 [ 4019.598934][ T10] inet6_addr_add+0x30e/0xa40 [ 4019.598934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.598934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.598934][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.598934][ T10] netlink_unicast+0x449/0x710 [ 4019.598934][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.598934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.598934][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.598934][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.598934][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.598934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.598934][ T10] [ 4019.600919][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4019.600919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4019.600919][ T10] ipv6_find_idev+0x102/0x170 [ 4019.600919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.600919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.600919][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.600919][ T10] netlink_unicast+0x449/0x710 [ 4019.600919][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.600919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.600919][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.600919][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.600919][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.600919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.600919][ T10] [ 4019.602412][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4019.602412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4019.602412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4019.602412][ T10] ipv6_find_idev+0x102/0x170 [ 4019.602412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.602412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.602412][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.602412][ T10] netlink_unicast+0x449/0x710 [ 4019.602412][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.602412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.602412][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.602412][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.602412][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.602412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.602412][ T10] [ 4019.604077][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4019.604389][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4019.604389][ T10] netdev_get_by_index+0x5e/0x80 [ 4019.604389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4019.604389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4019.604389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4019.604389][ T10] ipv6_add_addr+0x411/0x2000 [ 4019.604389][ T10] inet6_addr_add+0x30e/0xa40 [ 4019.604389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.604389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.604389][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.604389][ T10] netlink_unicast+0x449/0x710 [ 4019.604389][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.604389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.604389][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.604389][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.604389][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.604389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.604389][ T10] [ 4019.606458][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4019.606458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4019.606458][ T10] ipv6_find_idev+0x102/0x170 [ 4019.606458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.606458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.606458][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.606458][ T10] netlink_unicast+0x449/0x710 [ 4019.606458][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.606458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.606458][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.606458][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.606458][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.606458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.606458][ T10] [ 4019.608207][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4019.608207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4019.608207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4019.608207][ T10] ipv6_find_idev+0x102/0x170 [ 4019.608207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.608207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.608207][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.608207][ T10] netlink_unicast+0x449/0x710 [ 4019.608207][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.608207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.608207][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.608207][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.608207][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.608207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.608207][ T10] [ 4019.610053][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4019.610367][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4019.610367][ T10] netdev_get_by_index+0x5e/0x80 [ 4019.610367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4019.610367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4019.610367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4019.610367][ T10] ipv6_add_addr+0x411/0x2000 [ 4019.610367][ T10] inet6_addr_add+0x30e/0xa40 [ 4019.610367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.610367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.610367][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.610367][ T10] netlink_unicast+0x449/0x710 [ 4019.610367][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.610367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.610367][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.610367][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.610367][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.610367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.610367][ T10] [ 4019.612503][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4019.612503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4019.612503][ T10] ipv6_find_idev+0x102/0x170 [ 4019.612503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.612503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.612503][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.612503][ T10] netlink_unicast+0x449/0x710 [ 4019.612503][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.612503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.612503][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.612503][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.612503][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.612503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.612503][ T10] [ 4019.614163][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4019.614163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4019.614163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4019.614163][ T10] ipv6_find_idev+0x102/0x170 [ 4019.614163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.614163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.614163][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.614163][ T10] netlink_unicast+0x449/0x710 [ 4019.614163][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.614163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.614163][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.614163][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.614163][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.614163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.614163][ T10] [ 4019.616110][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4019.616385][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4019.616385][ T10] netdev_get_by_index+0x5e/0x80 [ 4019.616385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4019.616385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4019.616385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4019.616385][ T10] ipv6_add_addr+0x411/0x2000 [ 4019.616385][ T10] inet6_addr_add+0x30e/0xa40 [ 4019.616385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.616385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.616385][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.616385][ T10] netlink_unicast+0x449/0x710 [ 4019.616385][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.616385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.616385][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.616385][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.616385][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.616385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.616385][ T10] [ 4019.618466][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4019.618466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4019.618466][ T10] ipv6_find_idev+0x102/0x170 [ 4019.618466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.618466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.618466][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.618466][ T10] netlink_unicast+0x449/0x710 [ 4019.618466][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.618466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.618466][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.618466][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.618466][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.618466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.618466][ T10] [ 4019.620029][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4019.620029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4019.620029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4019.620029][ T10] ipv6_find_idev+0x102/0x170 [ 4019.620029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.620029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.620029][ T10] netlink_rcv_skb+0x130/0x360 [ 4019.620029][ T10] netlink_unicast+0x449/0x710 [ 4019.620029][ T10] netlink_sendmsg+0x723/0xbe0 [ 4019.620029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4019.620029][ T10] ___sys_sendmsg+0xee/0x170 [ 4019.620029][ T10] __sys_sendmsg+0xcd/0x170 [ 4019.620029][ T10] do_syscall_64+0xc6/0x1e0 [ 4019.620029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.620029][ T10] [ 4029.864243][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4029.864704][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4029.864704][ T10] netdev_get_by_index+0x5e/0x80 [ 4029.864704][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4029.864704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4029.864704][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4029.864704][ T10] ipv6_add_addr+0x411/0x2000 [ 4029.864704][ T10] inet6_addr_add+0x30e/0xa40 [ 4029.864704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.864704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.864704][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.864704][ T10] netlink_unicast+0x449/0x710 [ 4029.864704][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.864704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.864704][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.864704][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.864704][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.864704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.864704][ T10] [ 4029.866737][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4029.866737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4029.866737][ T10] ipv6_find_idev+0x102/0x170 [ 4029.866737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.866737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.866737][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.866737][ T10] netlink_unicast+0x449/0x710 [ 4029.866737][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.866737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.866737][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.866737][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.866737][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.866737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.866737][ T10] [ 4029.868290][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4029.868290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4029.868290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4029.868290][ T10] ipv6_find_idev+0x102/0x170 [ 4029.868290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.868290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.868290][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.868290][ T10] netlink_unicast+0x449/0x710 [ 4029.868290][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.868290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.868290][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.868290][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.868290][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.868290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.868290][ T10] [ 4029.869997][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4029.870280][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4029.870280][ T10] netdev_get_by_index+0x5e/0x80 [ 4029.870280][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4029.870280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4029.870280][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4029.870280][ T10] ipv6_add_addr+0x411/0x2000 [ 4029.870280][ T10] inet6_addr_add+0x30e/0xa40 [ 4029.870280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.870280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.870280][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.870280][ T10] netlink_unicast+0x449/0x710 [ 4029.870280][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.870280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.870280][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.870280][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.870280][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.870280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.870280][ T10] [ 4029.872267][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4029.872267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4029.872267][ T10] ipv6_find_idev+0x102/0x170 [ 4029.872267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.872267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.872267][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.872267][ T10] netlink_unicast+0x449/0x710 [ 4029.872267][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.872267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.872267][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.872267][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.872267][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.872267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.872267][ T10] [ 4029.873802][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4029.873802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4029.873802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4029.873802][ T10] ipv6_find_idev+0x102/0x170 [ 4029.873802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.873802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.873802][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.873802][ T10] netlink_unicast+0x449/0x710 [ 4029.873802][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.873802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.873802][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.873802][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.873802][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.873802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.873802][ T10] [ 4029.875482][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4029.875748][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4029.875748][ T10] netdev_get_by_index+0x5e/0x80 [ 4029.875748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4029.875748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4029.875748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4029.875748][ T10] ipv6_add_addr+0x411/0x2000 [ 4029.875748][ T10] inet6_addr_add+0x30e/0xa40 [ 4029.875748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.875748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.875748][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.875748][ T10] netlink_unicast+0x449/0x710 [ 4029.875748][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.875748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.875748][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.875748][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.875748][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.875748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.875748][ T10] [ 4029.877744][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4029.877744][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4029.877744][ T10] ipv6_find_idev+0x102/0x170 [ 4029.877744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.877744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.877744][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.877744][ T10] netlink_unicast+0x449/0x710 [ 4029.877744][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.877744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.877744][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.877744][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.877744][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.877744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.877744][ T10] [ 4029.879274][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4029.879274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4029.879274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4029.879274][ T10] ipv6_find_idev+0x102/0x170 [ 4029.879274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.879274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.879274][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.879274][ T10] netlink_unicast+0x449/0x710 [ 4029.879274][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.879274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.879274][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.879274][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.879274][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.879274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.879274][ T10] [ 4029.881388][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4029.881983][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4029.881983][ T10] netdev_get_by_index+0x5e/0x80 [ 4029.881983][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4029.881983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4029.881983][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4029.881983][ T10] ipv6_add_addr+0x411/0x2000 [ 4029.881983][ T10] inet6_addr_add+0x30e/0xa40 [ 4029.881983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.881983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.881983][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.881983][ T10] netlink_unicast+0x449/0x710 [ 4029.881983][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.881983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.881983][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.881983][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.881983][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.881983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.881983][ T10] [ 4029.883949][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4029.883949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4029.883949][ T10] ipv6_find_idev+0x102/0x170 [ 4029.883949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.883949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.883949][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.883949][ T10] netlink_unicast+0x449/0x710 [ 4029.883949][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.883949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.883949][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.883949][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.883949][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.883949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.883949][ T10] [ 4029.885438][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4029.885438][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4029.885438][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4029.885438][ T10] ipv6_find_idev+0x102/0x170 [ 4029.885438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.885438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.885438][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.885438][ T10] netlink_unicast+0x449/0x710 [ 4029.885438][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.885438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.885438][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.885438][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.885438][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.885438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.885438][ T10] [ 4029.887128][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4029.887395][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4029.887395][ T10] netdev_get_by_index+0x5e/0x80 [ 4029.887395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4029.887395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4029.887395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4029.887395][ T10] ipv6_add_addr+0x411/0x2000 [ 4029.887395][ T10] inet6_addr_add+0x30e/0xa40 [ 4029.887395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.887395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.887395][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.887395][ T10] netlink_unicast+0x449/0x710 [ 4029.887395][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.887395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.887395][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.887395][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.887395][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.887395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.887395][ T10] [ 4029.889369][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4029.889369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4029.889369][ T10] ipv6_find_idev+0x102/0x170 [ 4029.889369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.889369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.889369][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.889369][ T10] netlink_unicast+0x449/0x710 [ 4029.889369][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.889369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.889369][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.889369][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.889369][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.889369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.889369][ T10] [ 4029.890929][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4029.890929][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4029.890929][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4029.890929][ T10] ipv6_find_idev+0x102/0x170 [ 4029.890929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.890929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.890929][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.890929][ T10] netlink_unicast+0x449/0x710 [ 4029.890929][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.890929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.890929][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.890929][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.890929][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.890929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.890929][ T10] [ 4029.892672][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4029.892984][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4029.892984][ T10] netdev_get_by_index+0x5e/0x80 [ 4029.892984][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4029.892984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4029.892984][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4029.892984][ T10] ipv6_add_addr+0x411/0x2000 [ 4029.892984][ T10] inet6_addr_add+0x30e/0xa40 [ 4029.892984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.892984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.892984][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.892984][ T10] netlink_unicast+0x449/0x710 [ 4029.892984][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.892984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.892984][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.892984][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.892984][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.892984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.892984][ T10] [ 4029.894976][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4029.894976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4029.894976][ T10] ipv6_find_idev+0x102/0x170 [ 4029.894976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.894976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.894976][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.894976][ T10] netlink_unicast+0x449/0x710 [ 4029.894976][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.894976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.894976][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.894976][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.894976][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.894976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.894976][ T10] [ 4029.896538][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4029.896538][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4029.896538][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4029.896538][ T10] ipv6_find_idev+0x102/0x170 [ 4029.896538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.896538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.896538][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.896538][ T10] netlink_unicast+0x449/0x710 [ 4029.896538][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.896538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.896538][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.896538][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.896538][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.896538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.896538][ T10] [ 4029.898429][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4029.898743][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4029.898743][ T10] netdev_get_by_index+0x5e/0x80 [ 4029.898743][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4029.898743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4029.898743][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4029.898743][ T10] ipv6_add_addr+0x411/0x2000 [ 4029.898743][ T10] inet6_addr_add+0x30e/0xa40 [ 4029.898743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.898743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.898743][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.898743][ T10] netlink_unicast+0x449/0x710 [ 4029.898743][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.898743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.898743][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.898743][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.898743][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.898743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.898743][ T10] [ 4029.900978][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4029.900978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4029.900978][ T10] ipv6_find_idev+0x102/0x170 [ 4029.900978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.900978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.900978][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.900978][ T10] netlink_unicast+0x449/0x710 [ 4029.900978][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.900978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.900978][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.900978][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.900978][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.900978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.900978][ T10] [ 4029.902696][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4029.902696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4029.902696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4029.902696][ T10] ipv6_find_idev+0x102/0x170 [ 4029.902696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.902696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.902696][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.902696][ T10] netlink_unicast+0x449/0x710 [ 4029.902696][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.902696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.902696][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.902696][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.902696][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.902696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.902696][ T10] [ 4029.904637][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4029.904955][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4029.904955][ T10] netdev_get_by_index+0x5e/0x80 [ 4029.904955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4029.904955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4029.904955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4029.904955][ T10] ipv6_add_addr+0x411/0x2000 [ 4029.904955][ T10] inet6_addr_add+0x30e/0xa40 [ 4029.904955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4029.904955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.904955][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.904955][ T10] netlink_unicast+0x449/0x710 [ 4029.904955][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.904955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.904955][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.904955][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.904955][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.904955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.904955][ T10] [ 4029.907129][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4029.907129][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4029.907129][ T10] ipv6_find_idev+0x102/0x170 [ 4029.907129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.907129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.907129][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.907129][ T10] netlink_unicast+0x449/0x710 [ 4029.907129][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.907129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.907129][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.907129][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.907129][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.907129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.907129][ T10] [ 4029.908819][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4029.908819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4029.908819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4029.908819][ T10] ipv6_find_idev+0x102/0x170 [ 4029.908819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4029.908819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4029.908819][ T10] netlink_rcv_skb+0x130/0x360 [ 4029.908819][ T10] netlink_unicast+0x449/0x710 [ 4029.908819][ T10] netlink_sendmsg+0x723/0xbe0 [ 4029.908819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4029.908819][ T10] ___sys_sendmsg+0xee/0x170 [ 4029.908819][ T10] __sys_sendmsg+0xcd/0x170 [ 4029.908819][ T10] do_syscall_64+0xc6/0x1e0 [ 4029.908819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4029.908819][ T10] [ 4040.088299][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4040.089050][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4040.089050][ T10] netdev_get_by_index+0x5e/0x80 [ 4040.089050][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4040.089050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4040.089050][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4040.089050][ T10] ipv6_add_addr+0x411/0x2000 [ 4040.089050][ T10] inet6_addr_add+0x30e/0xa40 [ 4040.089050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.089050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.089050][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.089050][ T10] netlink_unicast+0x449/0x710 [ 4040.089050][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.089050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.089050][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.089050][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.089050][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.089050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.089050][ T10] [ 4040.091031][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4040.091031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4040.091031][ T10] ipv6_find_idev+0x102/0x170 [ 4040.091031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.091031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.091031][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.091031][ T10] netlink_unicast+0x449/0x710 [ 4040.091031][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.091031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.091031][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.091031][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.091031][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.091031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.091031][ T10] [ 4040.092509][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4040.092509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4040.092509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4040.092509][ T10] ipv6_find_idev+0x102/0x170 [ 4040.092509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.092509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.092509][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.092509][ T10] netlink_unicast+0x449/0x710 [ 4040.092509][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.092509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.092509][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.092509][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.092509][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.092509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.092509][ T10] [ 4040.094140][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4040.094395][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4040.094395][ T10] netdev_get_by_index+0x5e/0x80 [ 4040.094395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4040.094395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4040.094395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4040.094395][ T10] ipv6_add_addr+0x411/0x2000 [ 4040.094395][ T10] inet6_addr_add+0x30e/0xa40 [ 4040.094395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.094395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.094395][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.094395][ T10] netlink_unicast+0x449/0x710 [ 4040.094395][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.094395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.094395][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.094395][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.094395][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.094395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.094395][ T10] [ 4040.096378][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4040.096378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4040.096378][ T10] ipv6_find_idev+0x102/0x170 [ 4040.096378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.096378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.096378][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.096378][ T10] netlink_unicast+0x449/0x710 [ 4040.096378][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.096378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.096378][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.096378][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.096378][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.096378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.096378][ T10] [ 4040.097858][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4040.097858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4040.097858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4040.097858][ T10] ipv6_find_idev+0x102/0x170 [ 4040.097858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.097858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.097858][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.097858][ T10] netlink_unicast+0x449/0x710 [ 4040.097858][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.097858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.097858][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.097858][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.097858][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.097858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.097858][ T10] [ 4040.099471][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4040.099730][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4040.099730][ T10] netdev_get_by_index+0x5e/0x80 [ 4040.099730][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4040.099730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4040.099730][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4040.099730][ T10] ipv6_add_addr+0x411/0x2000 [ 4040.099730][ T10] inet6_addr_add+0x30e/0xa40 [ 4040.099730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.099730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.099730][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.099730][ T10] netlink_unicast+0x449/0x710 [ 4040.099730][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.099730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.099730][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.099730][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.099730][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.099730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.099730][ T10] [ 4040.101707][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4040.101707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4040.101707][ T10] ipv6_find_idev+0x102/0x170 [ 4040.101707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.101707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.101707][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.101707][ T10] netlink_unicast+0x449/0x710 [ 4040.101707][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.101707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.101707][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.101707][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.101707][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.101707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.101707][ T10] [ 4040.103205][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4040.103205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4040.103205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4040.103205][ T10] ipv6_find_idev+0x102/0x170 [ 4040.103205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.103205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.103205][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.103205][ T10] netlink_unicast+0x449/0x710 [ 4040.103205][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.103205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.103205][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.103205][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.103205][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.103205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.103205][ T10] [ 4040.104814][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4040.105064][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4040.105064][ T10] netdev_get_by_index+0x5e/0x80 [ 4040.105064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4040.105064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4040.105064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4040.105064][ T10] ipv6_add_addr+0x411/0x2000 [ 4040.105064][ T10] inet6_addr_add+0x30e/0xa40 [ 4040.105064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.105064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.105064][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.105064][ T10] netlink_unicast+0x449/0x710 [ 4040.105064][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.105064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.105064][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.105064][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.105064][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.105064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.105064][ T10] [ 4040.107058][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4040.107058][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4040.107058][ T10] ipv6_find_idev+0x102/0x170 [ 4040.107058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.107058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.107058][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.107058][ T10] netlink_unicast+0x449/0x710 [ 4040.107058][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.107058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.107058][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.107058][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.107058][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.107058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.107058][ T10] [ 4040.108546][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4040.108546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4040.108546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4040.108546][ T10] ipv6_find_idev+0x102/0x170 [ 4040.108546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.108546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.108546][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.108546][ T10] netlink_unicast+0x449/0x710 [ 4040.108546][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.108546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.108546][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.108546][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.108546][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.108546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.108546][ T10] [ 4040.110558][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4040.110817][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4040.110817][ T10] netdev_get_by_index+0x5e/0x80 [ 4040.110817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4040.110817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4040.110817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4040.110817][ T10] ipv6_add_addr+0x411/0x2000 [ 4040.110817][ T10] inet6_addr_add+0x30e/0xa40 [ 4040.110817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.110817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.110817][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.110817][ T10] netlink_unicast+0x449/0x710 [ 4040.110817][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.110817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.110817][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.110817][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.110817][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.110817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.110817][ T10] [ 4040.112750][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4040.112750][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4040.112750][ T10] ipv6_find_idev+0x102/0x170 [ 4040.112750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.112750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.112750][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.112750][ T10] netlink_unicast+0x449/0x710 [ 4040.112750][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.112750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.112750][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.112750][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.112750][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.112750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.112750][ T10] [ 4040.114220][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4040.114220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4040.114220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4040.114220][ T10] ipv6_find_idev+0x102/0x170 [ 4040.114220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.114220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.114220][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.114220][ T10] netlink_unicast+0x449/0x710 [ 4040.114220][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.114220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.114220][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.114220][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.114220][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.114220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.114220][ T10] [ 4040.115916][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4040.116243][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4040.116243][ T10] netdev_get_by_index+0x5e/0x80 [ 4040.116243][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4040.116243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4040.116243][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4040.116243][ T10] ipv6_add_addr+0x411/0x2000 [ 4040.116243][ T10] inet6_addr_add+0x30e/0xa40 [ 4040.116243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.116243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.116243][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.116243][ T10] netlink_unicast+0x449/0x710 [ 4040.116243][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.116243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.116243][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.116243][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.116243][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.116243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.116243][ T10] [ 4040.118337][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4040.118337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4040.118337][ T10] ipv6_find_idev+0x102/0x170 [ 4040.118337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.118337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.118337][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.118337][ T10] netlink_unicast+0x449/0x710 [ 4040.118337][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.118337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.118337][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.118337][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.118337][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.118337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.118337][ T10] [ 4040.120116][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4040.120116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4040.120116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4040.120116][ T10] ipv6_find_idev+0x102/0x170 [ 4040.120116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.120116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.120116][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.120116][ T10] netlink_unicast+0x449/0x710 [ 4040.120116][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.120116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.120116][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.120116][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.120116][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.120116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.120116][ T10] [ 4040.121988][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4040.122302][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4040.122302][ T10] netdev_get_by_index+0x5e/0x80 [ 4040.122302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4040.122302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4040.122302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4040.122302][ T10] ipv6_add_addr+0x411/0x2000 [ 4040.122302][ T10] inet6_addr_add+0x30e/0xa40 [ 4040.122302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.122302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.122302][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.122302][ T10] netlink_unicast+0x449/0x710 [ 4040.122302][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.122302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.122302][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.122302][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.122302][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.122302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.122302][ T10] [ 4040.124419][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4040.124419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4040.124419][ T10] ipv6_find_idev+0x102/0x170 [ 4040.124419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.124419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.124419][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.124419][ T10] netlink_unicast+0x449/0x710 [ 4040.124419][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.124419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.124419][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.124419][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.124419][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.124419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.124419][ T10] [ 4040.126119][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4040.126119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4040.126119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4040.126119][ T10] ipv6_find_idev+0x102/0x170 [ 4040.126119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.126119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.126119][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.126119][ T10] netlink_unicast+0x449/0x710 [ 4040.126119][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.126119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.126119][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.126119][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.126119][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.126119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.126119][ T10] [ 4040.128029][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4040.128341][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4040.128341][ T10] netdev_get_by_index+0x5e/0x80 [ 4040.128341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4040.128341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4040.128341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4040.128341][ T10] ipv6_add_addr+0x411/0x2000 [ 4040.128341][ T10] inet6_addr_add+0x30e/0xa40 [ 4040.128341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.128341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.128341][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.128341][ T10] netlink_unicast+0x449/0x710 [ 4040.128341][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.128341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.128341][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.128341][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.128341][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.128341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.128341][ T10] [ 4040.130514][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4040.130514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4040.130514][ T10] ipv6_find_idev+0x102/0x170 [ 4040.130514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.130514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.130514][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.130514][ T10] netlink_unicast+0x449/0x710 [ 4040.130514][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.130514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.130514][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.130514][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.130514][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.130514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.130514][ T10] [ 4040.132144][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4040.132144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4040.132144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4040.132144][ T10] ipv6_find_idev+0x102/0x170 [ 4040.132144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.132144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.132144][ T10] netlink_rcv_skb+0x130/0x360 [ 4040.132144][ T10] netlink_unicast+0x449/0x710 [ 4040.132144][ T10] netlink_sendmsg+0x723/0xbe0 [ 4040.132144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4040.132144][ T10] ___sys_sendmsg+0xee/0x170 [ 4040.132144][ T10] __sys_sendmsg+0xcd/0x170 [ 4040.132144][ T10] do_syscall_64+0xc6/0x1e0 [ 4040.132144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.132144][ T10] [ 4050.376234][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4050.377222][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4050.377222][ T10] netdev_get_by_index+0x5e/0x80 [ 4050.377222][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4050.377222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4050.377222][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4050.377222][ T10] ipv6_add_addr+0x411/0x2000 [ 4050.377222][ T10] inet6_addr_add+0x30e/0xa40 [ 4050.377222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.377222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.377222][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.377222][ T10] netlink_unicast+0x449/0x710 [ 4050.377222][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.377222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.377222][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.377222][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.377222][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.377222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.377222][ T10] [ 4050.379188][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4050.379188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4050.379188][ T10] ipv6_find_idev+0x102/0x170 [ 4050.379188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.379188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.379188][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.379188][ T10] netlink_unicast+0x449/0x710 [ 4050.379188][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.379188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.379188][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.379188][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.379188][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.379188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.379188][ T10] [ 4050.380671][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4050.380671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4050.380671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4050.380671][ T10] ipv6_find_idev+0x102/0x170 [ 4050.380671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.380671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.380671][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.380671][ T10] netlink_unicast+0x449/0x710 [ 4050.380671][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.380671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.380671][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.380671][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.380671][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.380671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.380671][ T10] [ 4050.382309][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4050.382572][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4050.382572][ T10] netdev_get_by_index+0x5e/0x80 [ 4050.382572][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4050.382572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4050.382572][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4050.382572][ T10] ipv6_add_addr+0x411/0x2000 [ 4050.382572][ T10] inet6_addr_add+0x30e/0xa40 [ 4050.382572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.382572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.382572][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.382572][ T10] netlink_unicast+0x449/0x710 [ 4050.382572][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.382572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.382572][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.382572][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.382572][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.382572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.382572][ T10] [ 4050.384531][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4050.384531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4050.384531][ T10] ipv6_find_idev+0x102/0x170 [ 4050.384531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.384531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.384531][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.384531][ T10] netlink_unicast+0x449/0x710 [ 4050.384531][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.384531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.384531][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.384531][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.384531][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.384531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.384531][ T10] [ 4050.386048][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4050.386048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4050.386048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4050.386048][ T10] ipv6_find_idev+0x102/0x170 [ 4050.386048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.386048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.386048][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.386048][ T10] netlink_unicast+0x449/0x710 [ 4050.386048][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.386048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.386048][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.386048][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.386048][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.386048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.386048][ T10] [ 4050.387670][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4050.387928][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4050.387928][ T10] netdev_get_by_index+0x5e/0x80 [ 4050.387928][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4050.387928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4050.387928][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4050.387928][ T10] ipv6_add_addr+0x411/0x2000 [ 4050.387928][ T10] inet6_addr_add+0x30e/0xa40 [ 4050.387928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.387928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.387928][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.387928][ T10] netlink_unicast+0x449/0x710 [ 4050.387928][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.387928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.387928][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.387928][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.387928][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.387928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.387928][ T10] [ 4050.389849][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4050.389849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4050.389849][ T10] ipv6_find_idev+0x102/0x170 [ 4050.389849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.389849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.389849][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.389849][ T10] netlink_unicast+0x449/0x710 [ 4050.389849][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.389849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.389849][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.389849][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.389849][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.389849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.389849][ T10] [ 4050.391331][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4050.391331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4050.391331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4050.391331][ T10] ipv6_find_idev+0x102/0x170 [ 4050.391331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.391331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.391331][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.391331][ T10] netlink_unicast+0x449/0x710 [ 4050.391331][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.391331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.391331][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.391331][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.391331][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.391331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.391331][ T10] [ 4050.392947][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4050.393668][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4050.393668][ T10] netdev_get_by_index+0x5e/0x80 [ 4050.393668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4050.393668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4050.393668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4050.393668][ T10] ipv6_add_addr+0x411/0x2000 [ 4050.393668][ T10] inet6_addr_add+0x30e/0xa40 [ 4050.393668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.393668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.393668][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.393668][ T10] netlink_unicast+0x449/0x710 [ 4050.393668][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.393668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.393668][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.393668][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.393668][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.393668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.393668][ T10] [ 4050.395623][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4050.395623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4050.395623][ T10] ipv6_find_idev+0x102/0x170 [ 4050.395623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.395623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.395623][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.395623][ T10] netlink_unicast+0x449/0x710 [ 4050.395623][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.395623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.395623][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.395623][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.395623][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.395623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.395623][ T10] [ 4050.397158][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4050.397158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4050.397158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4050.397158][ T10] ipv6_find_idev+0x102/0x170 [ 4050.397158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.397158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.397158][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.397158][ T10] netlink_unicast+0x449/0x710 [ 4050.397158][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.397158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.397158][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.397158][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.397158][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.397158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.397158][ T10] [ 4050.398856][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4050.399115][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4050.399115][ T10] netdev_get_by_index+0x5e/0x80 [ 4050.399115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4050.399115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4050.399115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4050.399115][ T10] ipv6_add_addr+0x411/0x2000 [ 4050.399115][ T10] inet6_addr_add+0x30e/0xa40 [ 4050.399115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.399115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.399115][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.399115][ T10] netlink_unicast+0x449/0x710 [ 4050.399115][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.399115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.399115][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.399115][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.399115][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.399115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.399115][ T10] [ 4050.401081][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4050.401081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4050.401081][ T10] ipv6_find_idev+0x102/0x170 [ 4050.401081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.401081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.401081][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.401081][ T10] netlink_unicast+0x449/0x710 [ 4050.401081][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.401081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.401081][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.401081][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.401081][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.401081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.401081][ T10] [ 4050.402651][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4050.402651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4050.402651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4050.402651][ T10] ipv6_find_idev+0x102/0x170 [ 4050.402651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.402651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.402651][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.402651][ T10] netlink_unicast+0x449/0x710 [ 4050.402651][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.402651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.402651][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.402651][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.402651][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.402651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.402651][ T10] [ 4050.404358][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4050.404614][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4050.404614][ T10] netdev_get_by_index+0x5e/0x80 [ 4050.404614][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4050.404614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4050.404614][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4050.404614][ T10] ipv6_add_addr+0x411/0x2000 [ 4050.404614][ T10] inet6_addr_add+0x30e/0xa40 [ 4050.404614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.404614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.404614][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.404614][ T10] netlink_unicast+0x449/0x710 [ 4050.404614][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.404614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.404614][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.404614][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.404614][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.404614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.404614][ T10] [ 4050.406739][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4050.406739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4050.406739][ T10] ipv6_find_idev+0x102/0x170 [ 4050.406739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.406739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.406739][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.406739][ T10] netlink_unicast+0x449/0x710 [ 4050.406739][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.406739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.406739][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.406739][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.406739][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.406739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.406739][ T10] [ 4050.408427][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4050.408427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4050.408427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4050.408427][ T10] ipv6_find_idev+0x102/0x170 [ 4050.408427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.408427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.408427][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.408427][ T10] netlink_unicast+0x449/0x710 [ 4050.408427][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.408427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.408427][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.408427][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.408427][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.408427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.408427][ T10] [ 4050.410855][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4050.411117][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4050.411117][ T10] netdev_get_by_index+0x5e/0x80 [ 4050.411117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4050.411117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4050.411117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4050.411117][ T10] ipv6_add_addr+0x411/0x2000 [ 4050.411117][ T10] inet6_addr_add+0x30e/0xa40 [ 4050.411117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.411117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.411117][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.411117][ T10] netlink_unicast+0x449/0x710 [ 4050.411117][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.411117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.411117][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.411117][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.411117][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.411117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.411117][ T10] [ 4050.413336][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4050.413336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4050.413336][ T10] ipv6_find_idev+0x102/0x170 [ 4050.413336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.413336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.413336][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.413336][ T10] netlink_unicast+0x449/0x710 [ 4050.413336][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.413336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.413336][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.413336][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.413336][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.413336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.413336][ T10] [ 4050.414999][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4050.414999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4050.414999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4050.414999][ T10] ipv6_find_idev+0x102/0x170 [ 4050.414999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.414999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.414999][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.414999][ T10] netlink_unicast+0x449/0x710 [ 4050.414999][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.414999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.414999][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.414999][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.414999][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.414999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.414999][ T10] [ 4050.416876][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4050.417143][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4050.417143][ T10] netdev_get_by_index+0x5e/0x80 [ 4050.417143][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4050.417143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4050.417143][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4050.417143][ T10] ipv6_add_addr+0x411/0x2000 [ 4050.417143][ T10] inet6_addr_add+0x30e/0xa40 [ 4050.417143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.417143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.417143][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.417143][ T10] netlink_unicast+0x449/0x710 [ 4050.417143][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.417143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.417143][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.417143][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.417143][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.417143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.417143][ T10] [ 4050.419401][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4050.419401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4050.419401][ T10] ipv6_find_idev+0x102/0x170 [ 4050.419401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.419401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.419401][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.419401][ T10] netlink_unicast+0x449/0x710 [ 4050.419401][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.419401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.419401][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.419401][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.419401][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.419401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.419401][ T10] [ 4050.421114][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4050.421114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4050.421114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4050.421114][ T10] ipv6_find_idev+0x102/0x170 [ 4050.421114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.421114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.421114][ T10] netlink_rcv_skb+0x130/0x360 [ 4050.421114][ T10] netlink_unicast+0x449/0x710 [ 4050.421114][ T10] netlink_sendmsg+0x723/0xbe0 [ 4050.421114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4050.421114][ T10] ___sys_sendmsg+0xee/0x170 [ 4050.421114][ T10] __sys_sendmsg+0xcd/0x170 [ 4050.421114][ T10] do_syscall_64+0xc6/0x1e0 [ 4050.421114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.421114][ T10] [ 4056.344223][ T42] INFO: task modprobe:14771 blocked for more than 983 seconds. [ 4056.344934][ T42] Not tainted 6.8.0-virtme #1 [ 4056.345051][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4056.345277][ T42] task:modprobe state:D stack:25856 pid:14771 tgid:14771 ppid:36 flags:0x00004002 [ 4056.345531][ T42] Call Trace: [ 4056.345628][ T42] [ 4056.345697][ T42] __schedule+0x705/0x1ac0 [ 4056.345830][ T42] ? __pfx___schedule+0x10/0x10 [ 4056.345978][ T42] ? schedule+0x1a5/0x210 [ 4056.346074][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 4056.346215][ T42] ? mark_lock+0x38/0x3e0 [ 4056.346309][ T42] ? do_raw_spin_lock+0x131/0x270 [ 4056.346438][ T42] ? schedule+0x1a5/0x210 [ 4056.346536][ T42] schedule+0xdf/0x210 [ 4056.346630][ T42] schedule_preempt_disabled+0x15/0x30 [ 4056.346751][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 4056.346882][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 4056.347037][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 4056.347174][ T42] ? lock_acquire+0x1c1/0x220 [ 4056.347299][ T42] ? register_pernet_subsys+0x1a/0x50 [ 4056.347429][ T42] down_write+0x1c9/0x200 [ 4056.347523][ T42] ? __pfx_down_write+0x10/0x10 [ 4056.347649][ T42] ? __lock_release+0x103/0x460 [ 4056.347770][ T42] ? __create_object+0x5e/0xb0 [ 4056.347897][ T42] ? __pfx___lock_release+0x10/0x10 [ 4056.348025][ T42] register_pernet_subsys+0x1a/0x50 [ 4056.348160][ T42] tcf_register_action+0xa3/0x600 [ 4056.348283][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 4056.348441][ T42] do_one_initcall+0xc8/0x3f0 [ 4056.348565][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 4056.348692][ T42] ? __create_object+0x5e/0xb0 [ 4056.348819][ T42] ? kasan_unpoison+0x27/0x60 [ 4056.348949][ T42] do_init_module+0x233/0x740 [ 4056.349088][ T42] load_module+0x16b5/0x2350 [ 4056.349249][ T42] ? __pfx_load_module+0x10/0x10 [ 4056.349372][ T42] ? kernel_read_file+0x3d2/0x520 [ 4056.349499][ T42] ? kernel_read_file+0x300/0x520 [ 4056.349626][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 4056.349765][ T42] ? init_module_from_file+0xd2/0x130 [ 4056.349888][ T42] init_module_from_file+0xd2/0x130 [ 4056.350013][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 4056.350181][ T42] ? __lock_release+0x103/0x460 [ 4056.350302][ T42] ? idempotent_init_module+0x32a/0x620 [ 4056.350443][ T42] ? idempotent_init_module+0x32a/0x620 [ 4056.350568][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 4056.350693][ T42] idempotent_init_module+0x342/0x620 [ 4056.350816][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 4056.350988][ T42] __x64_sys_finit_module+0xbe/0x130 [ 4056.351123][ T42] do_syscall_64+0xc6/0x1e0 [ 4056.351249][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4056.351403][ T42] RIP: 0033:0x7f9f7563de5d [ 4056.351531][ T42] RSP: 002b:00007ffe3a6850f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 4056.351714][ T42] RAX: ffffffffffffffda RBX: 0000558501133c00 RCX: 00007f9f7563de5d [ 4056.351894][ T42] RDX: 0000000000000000 RSI: 00005584c204fa2a RDI: 0000000000000000 [ 4056.352080][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe3a685230 [ 4056.352271][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584c204fa2a [ 4056.352452][ T42] R13: 0000558501133b10 R14: 0000558501133f40 R15: 0000558501133c72 [ 4056.352646][ T42] [ 4056.352739][ T42] [ 4056.352739][ T42] Showing all locks held in the system: [ 4056.352912][ T42] 3 locks held by kworker/u16:0/10: [ 4056.353032][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 4056.353297][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 4056.353520][ T42] #2: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 4056.353744][ T42] 2 locks held by kworker/u17:0/36: [ 4056.353863][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 4056.354119][ T42] #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 4056.354393][ T42] 1 lock held by khungtaskd/42: [ 4056.354509][ T42] #0: ffffffff96f69160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 4056.354730][ T42] 1 lock held by modprobe/14771: [ 4056.354850][ T42] #0: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 4056.355091][ T42] [ 4056.355172][ T42] ============================================= [ 4056.355172][ T42] [ 4060.664207][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4060.664681][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4060.664681][ T10] netdev_get_by_index+0x5e/0x80 [ 4060.664681][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4060.664681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4060.664681][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4060.664681][ T10] ipv6_add_addr+0x411/0x2000 [ 4060.664681][ T10] inet6_addr_add+0x30e/0xa40 [ 4060.664681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.664681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.664681][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.664681][ T10] netlink_unicast+0x449/0x710 [ 4060.664681][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.664681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.664681][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.664681][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.664681][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.664681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.664681][ T10] [ 4060.666722][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4060.666722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4060.666722][ T10] ipv6_find_idev+0x102/0x170 [ 4060.666722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.666722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.666722][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.666722][ T10] netlink_unicast+0x449/0x710 [ 4060.666722][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.666722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.666722][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.666722][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.666722][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.666722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.666722][ T10] [ 4060.668215][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4060.668215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4060.668215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4060.668215][ T10] ipv6_find_idev+0x102/0x170 [ 4060.668215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.668215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.668215][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.668215][ T10] netlink_unicast+0x449/0x710 [ 4060.668215][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.668215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.668215][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.668215][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.668215][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.668215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.668215][ T10] [ 4060.669830][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4060.670090][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4060.670090][ T10] netdev_get_by_index+0x5e/0x80 [ 4060.670090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4060.670090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4060.670090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4060.670090][ T10] ipv6_add_addr+0x411/0x2000 [ 4060.670090][ T10] inet6_addr_add+0x30e/0xa40 [ 4060.670090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.670090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.670090][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.670090][ T10] netlink_unicast+0x449/0x710 [ 4060.670090][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.670090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.670090][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.670090][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.670090][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.670090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.670090][ T10] [ 4060.672000][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4060.672000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4060.672000][ T10] ipv6_find_idev+0x102/0x170 [ 4060.672000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.672000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.672000][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.672000][ T10] netlink_unicast+0x449/0x710 [ 4060.672000][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.672000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.672000][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.672000][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.672000][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.672000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.672000][ T10] [ 4060.673479][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4060.673479][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4060.673479][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4060.673479][ T10] ipv6_find_idev+0x102/0x170 [ 4060.673479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.673479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.673479][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.673479][ T10] netlink_unicast+0x449/0x710 [ 4060.673479][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.673479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.673479][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.673479][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.673479][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.673479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.673479][ T10] [ 4060.675078][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4060.675365][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4060.675365][ T10] netdev_get_by_index+0x5e/0x80 [ 4060.675365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4060.675365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4060.675365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4060.675365][ T10] ipv6_add_addr+0x411/0x2000 [ 4060.675365][ T10] inet6_addr_add+0x30e/0xa40 [ 4060.675365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.675365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.675365][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.675365][ T10] netlink_unicast+0x449/0x710 [ 4060.675365][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.675365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.675365][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.675365][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.675365][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.675365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.675365][ T10] [ 4060.677314][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4060.677314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4060.677314][ T10] ipv6_find_idev+0x102/0x170 [ 4060.677314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.677314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.677314][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.677314][ T10] netlink_unicast+0x449/0x710 [ 4060.677314][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.677314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.677314][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.677314][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.677314][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.677314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.677314][ T10] [ 4060.678794][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4060.678794][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4060.678794][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4060.678794][ T10] ipv6_find_idev+0x102/0x170 [ 4060.678794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.678794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.678794][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.678794][ T10] netlink_unicast+0x449/0x710 [ 4060.678794][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.678794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.678794][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.678794][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.678794][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.678794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.678794][ T10] [ 4060.680430][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4060.680694][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4060.680694][ T10] netdev_get_by_index+0x5e/0x80 [ 4060.680694][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4060.680694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4060.680694][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4060.680694][ T10] ipv6_add_addr+0x411/0x2000 [ 4060.680694][ T10] inet6_addr_add+0x30e/0xa40 [ 4060.680694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.680694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.680694][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.680694][ T10] netlink_unicast+0x449/0x710 [ 4060.680694][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.680694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.680694][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.680694][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.680694][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.680694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.680694][ T10] [ 4060.683159][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4060.683159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4060.683159][ T10] ipv6_find_idev+0x102/0x170 [ 4060.683159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.683159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.683159][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.683159][ T10] netlink_unicast+0x449/0x710 [ 4060.683159][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.683159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.683159][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.683159][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.683159][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.683159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.683159][ T10] [ 4060.684703][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4060.684703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4060.684703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4060.684703][ T10] ipv6_find_idev+0x102/0x170 [ 4060.684703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.684703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.684703][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.684703][ T10] netlink_unicast+0x449/0x710 [ 4060.684703][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.684703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.684703][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.684703][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.684703][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.684703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.684703][ T10] [ 4060.686346][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4060.686629][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4060.686629][ T10] netdev_get_by_index+0x5e/0x80 [ 4060.686629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4060.686629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4060.686629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4060.686629][ T10] ipv6_add_addr+0x411/0x2000 [ 4060.686629][ T10] inet6_addr_add+0x30e/0xa40 [ 4060.686629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.686629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.686629][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.686629][ T10] netlink_unicast+0x449/0x710 [ 4060.686629][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.686629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.686629][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.686629][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.686629][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.686629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.686629][ T10] [ 4060.688597][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4060.688597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4060.688597][ T10] ipv6_find_idev+0x102/0x170 [ 4060.688597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.688597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.688597][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.688597][ T10] netlink_unicast+0x449/0x710 [ 4060.688597][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.688597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.688597][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.688597][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.688597][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.688597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.688597][ T10] [ 4060.690227][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4060.690227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4060.690227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4060.690227][ T10] ipv6_find_idev+0x102/0x170 [ 4060.690227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.690227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.690227][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.690227][ T10] netlink_unicast+0x449/0x710 [ 4060.690227][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.690227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.690227][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.690227][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.690227][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.690227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.690227][ T10] [ 4060.692182][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4060.692443][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4060.692443][ T10] netdev_get_by_index+0x5e/0x80 [ 4060.692443][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4060.692443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4060.692443][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4060.692443][ T10] ipv6_add_addr+0x411/0x2000 [ 4060.692443][ T10] inet6_addr_add+0x30e/0xa40 [ 4060.692443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.692443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.692443][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.692443][ T10] netlink_unicast+0x449/0x710 [ 4060.692443][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.692443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.692443][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.692443][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.692443][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.692443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.692443][ T10] [ 4060.694614][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4060.694614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4060.694614][ T10] ipv6_find_idev+0x102/0x170 [ 4060.694614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.694614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.694614][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.694614][ T10] netlink_unicast+0x449/0x710 [ 4060.694614][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.694614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.694614][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.694614][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.694614][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.694614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.694614][ T10] [ 4060.696295][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4060.696295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4060.696295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4060.696295][ T10] ipv6_find_idev+0x102/0x170 [ 4060.696295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.696295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.696295][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.696295][ T10] netlink_unicast+0x449/0x710 [ 4060.696295][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.696295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.696295][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.696295][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.696295][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.696295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.696295][ T10] [ 4060.698194][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4060.698458][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4060.698458][ T10] netdev_get_by_index+0x5e/0x80 [ 4060.698458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4060.698458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4060.698458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4060.698458][ T10] ipv6_add_addr+0x411/0x2000 [ 4060.698458][ T10] inet6_addr_add+0x30e/0xa40 [ 4060.698458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.698458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.698458][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.698458][ T10] netlink_unicast+0x449/0x710 [ 4060.698458][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.698458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.698458][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.698458][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.698458][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.698458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.698458][ T10] [ 4060.700573][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4060.700573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4060.700573][ T10] ipv6_find_idev+0x102/0x170 [ 4060.700573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.700573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.700573][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.700573][ T10] netlink_unicast+0x449/0x710 [ 4060.700573][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.700573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.700573][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.700573][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.700573][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.700573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.700573][ T10] [ 4060.702306][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4060.702306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4060.702306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4060.702306][ T10] ipv6_find_idev+0x102/0x170 [ 4060.702306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.702306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.702306][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.702306][ T10] netlink_unicast+0x449/0x710 [ 4060.702306][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.702306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.702306][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.702306][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.702306][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.702306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.702306][ T10] [ 4060.704658][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4060.704920][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4060.704920][ T10] netdev_get_by_index+0x5e/0x80 [ 4060.704920][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4060.704920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4060.704920][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4060.704920][ T10] ipv6_add_addr+0x411/0x2000 [ 4060.704920][ T10] inet6_addr_add+0x30e/0xa40 [ 4060.704920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4060.704920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.704920][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.704920][ T10] netlink_unicast+0x449/0x710 [ 4060.704920][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.704920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.704920][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.704920][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.704920][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.704920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.704920][ T10] [ 4060.707077][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4060.707077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4060.707077][ T10] ipv6_find_idev+0x102/0x170 [ 4060.707077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.707077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.707077][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.707077][ T10] netlink_unicast+0x449/0x710 [ 4060.707077][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.707077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.707077][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.707077][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.707077][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.707077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.707077][ T10] [ 4060.708765][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4060.708765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4060.708765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4060.708765][ T10] ipv6_find_idev+0x102/0x170 [ 4060.708765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4060.708765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4060.708765][ T10] netlink_rcv_skb+0x130/0x360 [ 4060.708765][ T10] netlink_unicast+0x449/0x710 [ 4060.708765][ T10] netlink_sendmsg+0x723/0xbe0 [ 4060.708765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4060.708765][ T10] ___sys_sendmsg+0xee/0x170 [ 4060.708765][ T10] __sys_sendmsg+0xcd/0x170 [ 4060.708765][ T10] do_syscall_64+0xc6/0x1e0 [ 4060.708765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4060.708765][ T10] [ 4070.712286][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4070.713076][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4070.713076][ T10] netdev_get_by_index+0x5e/0x80 [ 4070.713076][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4070.713076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4070.713076][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4070.713076][ T10] ipv6_add_addr+0x411/0x2000 [ 4070.713076][ T10] inet6_addr_add+0x30e/0xa40 [ 4070.713076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.713076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.713076][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.713076][ T10] netlink_unicast+0x449/0x710 [ 4070.713076][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.713076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.713076][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.713076][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.713076][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.713076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.713076][ T10] [ 4070.715099][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4070.715099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4070.715099][ T10] ipv6_find_idev+0x102/0x170 [ 4070.715099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.715099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.715099][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.715099][ T10] netlink_unicast+0x449/0x710 [ 4070.715099][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.715099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.715099][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.715099][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.715099][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.715099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.715099][ T10] [ 4070.716666][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4070.716666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4070.716666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4070.716666][ T10] ipv6_find_idev+0x102/0x170 [ 4070.716666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.716666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.716666][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.716666][ T10] netlink_unicast+0x449/0x710 [ 4070.716666][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.716666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.716666][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.716666][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.716666][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.716666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.716666][ T10] [ 4070.718290][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4070.718573][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4070.718573][ T10] netdev_get_by_index+0x5e/0x80 [ 4070.718573][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4070.718573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4070.718573][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4070.718573][ T10] ipv6_add_addr+0x411/0x2000 [ 4070.718573][ T10] inet6_addr_add+0x30e/0xa40 [ 4070.718573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.718573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.718573][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.718573][ T10] netlink_unicast+0x449/0x710 [ 4070.718573][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.718573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.718573][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.718573][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.718573][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.718573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.718573][ T10] [ 4070.720514][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4070.720514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4070.720514][ T10] ipv6_find_idev+0x102/0x170 [ 4070.720514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.720514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.720514][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.720514][ T10] netlink_unicast+0x449/0x710 [ 4070.720514][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.720514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.720514][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.720514][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.720514][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.720514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.720514][ T10] [ 4070.722006][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4070.722006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4070.722006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4070.722006][ T10] ipv6_find_idev+0x102/0x170 [ 4070.722006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.722006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.722006][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.722006][ T10] netlink_unicast+0x449/0x710 [ 4070.722006][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.722006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.722006][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.722006][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.722006][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.722006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.722006][ T10] [ 4070.723633][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4070.723886][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4070.723886][ T10] netdev_get_by_index+0x5e/0x80 [ 4070.723886][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4070.723886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4070.723886][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4070.723886][ T10] ipv6_add_addr+0x411/0x2000 [ 4070.723886][ T10] inet6_addr_add+0x30e/0xa40 [ 4070.723886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.723886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.723886][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.723886][ T10] netlink_unicast+0x449/0x710 [ 4070.723886][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.723886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.723886][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.723886][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.723886][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.723886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.723886][ T10] [ 4070.725876][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4070.725876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4070.725876][ T10] ipv6_find_idev+0x102/0x170 [ 4070.725876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.725876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.725876][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.725876][ T10] netlink_unicast+0x449/0x710 [ 4070.725876][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.725876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.725876][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.725876][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.725876][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.725876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.725876][ T10] [ 4070.727400][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4070.727400][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4070.727400][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4070.727400][ T10] ipv6_find_idev+0x102/0x170 [ 4070.727400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.727400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.727400][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.727400][ T10] netlink_unicast+0x449/0x710 [ 4070.727400][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.727400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.727400][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.727400][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.727400][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.727400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.727400][ T10] [ 4070.729019][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4070.729740][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4070.729740][ T10] netdev_get_by_index+0x5e/0x80 [ 4070.729740][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4070.729740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4070.729740][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4070.729740][ T10] ipv6_add_addr+0x411/0x2000 [ 4070.729740][ T10] inet6_addr_add+0x30e/0xa40 [ 4070.729740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.729740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.729740][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.729740][ T10] netlink_unicast+0x449/0x710 [ 4070.729740][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.729740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.729740][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.729740][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.729740][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.729740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.729740][ T10] [ 4070.731696][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4070.731696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4070.731696][ T10] ipv6_find_idev+0x102/0x170 [ 4070.731696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.731696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.731696][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.731696][ T10] netlink_unicast+0x449/0x710 [ 4070.731696][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.731696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.731696][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.731696][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.731696][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.731696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.731696][ T10] [ 4070.733218][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4070.733218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4070.733218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4070.733218][ T10] ipv6_find_idev+0x102/0x170 [ 4070.733218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.733218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.733218][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.733218][ T10] netlink_unicast+0x449/0x710 [ 4070.733218][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.733218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.733218][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.733218][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.733218][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.733218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.733218][ T10] [ 4070.734906][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4070.735219][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4070.735219][ T10] netdev_get_by_index+0x5e/0x80 [ 4070.735219][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4070.735219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4070.735219][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4070.735219][ T10] ipv6_add_addr+0x411/0x2000 [ 4070.735219][ T10] inet6_addr_add+0x30e/0xa40 [ 4070.735219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.735219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.735219][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.735219][ T10] netlink_unicast+0x449/0x710 [ 4070.735219][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.735219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.735219][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.735219][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.735219][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.735219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.735219][ T10] [ 4070.737184][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4070.737184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4070.737184][ T10] ipv6_find_idev+0x102/0x170 [ 4070.737184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.737184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.737184][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.737184][ T10] netlink_unicast+0x449/0x710 [ 4070.737184][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.737184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.737184][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.737184][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.737184][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.737184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.737184][ T10] [ 4070.738659][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4070.738659][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4070.738659][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4070.738659][ T10] ipv6_find_idev+0x102/0x170 [ 4070.738659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.738659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.738659][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.738659][ T10] netlink_unicast+0x449/0x710 [ 4070.738659][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.738659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.738659][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.738659][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.738659][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.738659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.738659][ T10] [ 4070.740324][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4070.740584][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4070.740584][ T10] netdev_get_by_index+0x5e/0x80 [ 4070.740584][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4070.740584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4070.740584][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4070.740584][ T10] ipv6_add_addr+0x411/0x2000 [ 4070.740584][ T10] inet6_addr_add+0x30e/0xa40 [ 4070.740584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.740584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.740584][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.740584][ T10] netlink_unicast+0x449/0x710 [ 4070.740584][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.740584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.740584][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.740584][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.740584][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.740584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.740584][ T10] [ 4070.742580][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4070.742580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4070.742580][ T10] ipv6_find_idev+0x102/0x170 [ 4070.742580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.742580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.742580][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.742580][ T10] netlink_unicast+0x449/0x710 [ 4070.742580][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.742580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.742580][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.742580][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.742580][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.742580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.742580][ T10] [ 4070.744292][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4070.744292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4070.744292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4070.744292][ T10] ipv6_find_idev+0x102/0x170 [ 4070.744292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.744292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.744292][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.744292][ T10] netlink_unicast+0x449/0x710 [ 4070.744292][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.744292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.744292][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.744292][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.744292][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.744292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.744292][ T10] [ 4070.746244][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4070.746509][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4070.746509][ T10] netdev_get_by_index+0x5e/0x80 [ 4070.746509][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4070.746509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4070.746509][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4070.746509][ T10] ipv6_add_addr+0x411/0x2000 [ 4070.746509][ T10] inet6_addr_add+0x30e/0xa40 [ 4070.746509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.746509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.746509][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.746509][ T10] netlink_unicast+0x449/0x710 [ 4070.746509][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.746509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.746509][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.746509][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.746509][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.746509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.746509][ T10] [ 4070.748569][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4070.748569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4070.748569][ T10] ipv6_find_idev+0x102/0x170 [ 4070.748569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.748569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.748569][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.748569][ T10] netlink_unicast+0x449/0x710 [ 4070.748569][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.748569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.748569][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.748569][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.748569][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.748569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.748569][ T10] [ 4070.750266][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4070.750266][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4070.750266][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4070.750266][ T10] ipv6_find_idev+0x102/0x170 [ 4070.750266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.750266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.750266][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.750266][ T10] netlink_unicast+0x449/0x710 [ 4070.750266][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.750266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.750266][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.750266][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.750266][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.750266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.750266][ T10] [ 4070.752232][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4070.752499][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4070.752499][ T10] netdev_get_by_index+0x5e/0x80 [ 4070.752499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4070.752499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4070.752499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4070.752499][ T10] ipv6_add_addr+0x411/0x2000 [ 4070.752499][ T10] inet6_addr_add+0x30e/0xa40 [ 4070.752499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4070.752499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.752499][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.752499][ T10] netlink_unicast+0x449/0x710 [ 4070.752499][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.752499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.752499][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.752499][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.752499][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.752499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.752499][ T10] [ 4070.754714][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4070.754714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4070.754714][ T10] ipv6_find_idev+0x102/0x170 [ 4070.754714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.754714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.754714][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.754714][ T10] netlink_unicast+0x449/0x710 [ 4070.754714][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.754714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.754714][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.754714][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.754714][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.754714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.754714][ T10] [ 4070.756434][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4070.756434][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4070.756434][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4070.756434][ T10] ipv6_find_idev+0x102/0x170 [ 4070.756434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4070.756434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4070.756434][ T10] netlink_rcv_skb+0x130/0x360 [ 4070.756434][ T10] netlink_unicast+0x449/0x710 [ 4070.756434][ T10] netlink_sendmsg+0x723/0xbe0 [ 4070.756434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4070.756434][ T10] ___sys_sendmsg+0xee/0x170 [ 4070.756434][ T10] __sys_sendmsg+0xcd/0x170 [ 4070.756434][ T10] do_syscall_64+0xc6/0x1e0 [ 4070.756434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4070.756434][ T10] [ 4081.000281][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4081.001237][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4081.001237][ T10] netdev_get_by_index+0x5e/0x80 [ 4081.001237][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4081.001237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4081.001237][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4081.001237][ T10] ipv6_add_addr+0x411/0x2000 [ 4081.001237][ T10] inet6_addr_add+0x30e/0xa40 [ 4081.001237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.001237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.001237][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.001237][ T10] netlink_unicast+0x449/0x710 [ 4081.001237][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.001237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.001237][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.001237][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.001237][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.001237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.001237][ T10] [ 4081.003176][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4081.003176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4081.003176][ T10] ipv6_find_idev+0x102/0x170 [ 4081.003176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.003176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.003176][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.003176][ T10] netlink_unicast+0x449/0x710 [ 4081.003176][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.003176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.003176][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.003176][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.003176][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.003176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.003176][ T10] [ 4081.004685][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4081.004685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4081.004685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4081.004685][ T10] ipv6_find_idev+0x102/0x170 [ 4081.004685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.004685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.004685][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.004685][ T10] netlink_unicast+0x449/0x710 [ 4081.004685][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.004685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.004685][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.004685][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.004685][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.004685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.004685][ T10] [ 4081.006358][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4081.006642][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4081.006642][ T10] netdev_get_by_index+0x5e/0x80 [ 4081.006642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4081.006642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4081.006642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4081.006642][ T10] ipv6_add_addr+0x411/0x2000 [ 4081.006642][ T10] inet6_addr_add+0x30e/0xa40 [ 4081.006642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.006642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.006642][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.006642][ T10] netlink_unicast+0x449/0x710 [ 4081.006642][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.006642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.006642][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.006642][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.006642][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.006642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.006642][ T10] [ 4081.008589][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4081.008589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4081.008589][ T10] ipv6_find_idev+0x102/0x170 [ 4081.008589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.008589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.008589][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.008589][ T10] netlink_unicast+0x449/0x710 [ 4081.008589][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.008589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.008589][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.008589][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.008589][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.008589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.008589][ T10] [ 4081.010073][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4081.010073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4081.010073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4081.010073][ T10] ipv6_find_idev+0x102/0x170 [ 4081.010073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.010073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.010073][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.010073][ T10] netlink_unicast+0x449/0x710 [ 4081.010073][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.010073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.010073][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.010073][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.010073][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.010073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.010073][ T10] [ 4081.011674][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4081.011954][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4081.011954][ T10] netdev_get_by_index+0x5e/0x80 [ 4081.011954][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4081.011954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4081.011954][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4081.011954][ T10] ipv6_add_addr+0x411/0x2000 [ 4081.011954][ T10] inet6_addr_add+0x30e/0xa40 [ 4081.011954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.011954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.011954][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.011954][ T10] netlink_unicast+0x449/0x710 [ 4081.011954][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.011954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.011954][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.011954][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.011954][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.011954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.011954][ T10] [ 4081.013927][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4081.013927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4081.013927][ T10] ipv6_find_idev+0x102/0x170 [ 4081.013927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.013927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.013927][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.013927][ T10] netlink_unicast+0x449/0x710 [ 4081.013927][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.013927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.013927][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.013927][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.013927][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.013927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.013927][ T10] [ 4081.015445][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4081.015445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4081.015445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4081.015445][ T10] ipv6_find_idev+0x102/0x170 [ 4081.015445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.015445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.015445][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.015445][ T10] netlink_unicast+0x449/0x710 [ 4081.015445][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.015445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.015445][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.015445][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.015445][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.015445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.015445][ T10] [ 4081.017068][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4081.017330][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4081.017330][ T10] netdev_get_by_index+0x5e/0x80 [ 4081.017330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4081.017330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4081.017330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4081.017330][ T10] ipv6_add_addr+0x411/0x2000 [ 4081.017330][ T10] inet6_addr_add+0x30e/0xa40 [ 4081.017330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.017330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.017330][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.017330][ T10] netlink_unicast+0x449/0x710 [ 4081.017330][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.017330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.017330][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.017330][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.017330][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.017330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.017330][ T10] [ 4081.019241][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4081.019241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4081.019241][ T10] ipv6_find_idev+0x102/0x170 [ 4081.019241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.019241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.019241][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.019241][ T10] netlink_unicast+0x449/0x710 [ 4081.019241][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.019241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.019241][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.019241][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.019241][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.019241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.019241][ T10] [ 4081.020742][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4081.020742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4081.020742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4081.020742][ T10] ipv6_find_idev+0x102/0x170 [ 4081.020742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.020742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.020742][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.020742][ T10] netlink_unicast+0x449/0x710 [ 4081.020742][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.020742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.020742][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.020742][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.020742][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.020742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.020742][ T10] [ 4081.022375][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4081.023132][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4081.023132][ T10] netdev_get_by_index+0x5e/0x80 [ 4081.023132][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4081.023132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4081.023132][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4081.023132][ T10] ipv6_add_addr+0x411/0x2000 [ 4081.023132][ T10] inet6_addr_add+0x30e/0xa40 [ 4081.023132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.023132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.023132][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.023132][ T10] netlink_unicast+0x449/0x710 [ 4081.023132][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.023132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.023132][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.023132][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.023132][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.023132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.023132][ T10] [ 4081.025037][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4081.025037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4081.025037][ T10] ipv6_find_idev+0x102/0x170 [ 4081.025037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.025037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.025037][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.025037][ T10] netlink_unicast+0x449/0x710 [ 4081.025037][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.025037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.025037][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.025037][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.025037][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.025037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.025037][ T10] [ 4081.026635][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4081.026635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4081.026635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4081.026635][ T10] ipv6_find_idev+0x102/0x170 [ 4081.026635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.026635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.026635][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.026635][ T10] netlink_unicast+0x449/0x710 [ 4081.026635][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.026635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.026635][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.026635][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.026635][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.026635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.026635][ T10] [ 4081.028501][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4081.028771][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4081.028771][ T10] netdev_get_by_index+0x5e/0x80 [ 4081.028771][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4081.028771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4081.028771][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4081.028771][ T10] ipv6_add_addr+0x411/0x2000 [ 4081.028771][ T10] inet6_addr_add+0x30e/0xa40 [ 4081.028771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.028771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.028771][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.028771][ T10] netlink_unicast+0x449/0x710 [ 4081.028771][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.028771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.028771][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.028771][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.028771][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.028771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.028771][ T10] [ 4081.030941][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4081.030941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4081.030941][ T10] ipv6_find_idev+0x102/0x170 [ 4081.030941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.030941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.030941][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.030941][ T10] netlink_unicast+0x449/0x710 [ 4081.030941][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.030941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.030941][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.030941][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.030941][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.030941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.030941][ T10] [ 4081.032624][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4081.032624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4081.032624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4081.032624][ T10] ipv6_find_idev+0x102/0x170 [ 4081.032624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.032624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.032624][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.032624][ T10] netlink_unicast+0x449/0x710 [ 4081.032624][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.032624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.032624][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.032624][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.032624][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.032624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.032624][ T10] [ 4081.034507][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4081.034767][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4081.034767][ T10] netdev_get_by_index+0x5e/0x80 [ 4081.034767][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4081.034767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4081.034767][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4081.034767][ T10] ipv6_add_addr+0x411/0x2000 [ 4081.034767][ T10] inet6_addr_add+0x30e/0xa40 [ 4081.034767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.034767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.034767][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.034767][ T10] netlink_unicast+0x449/0x710 [ 4081.034767][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.034767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.034767][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.034767][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.034767][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.034767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.034767][ T10] [ 4081.036922][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4081.036922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4081.036922][ T10] ipv6_find_idev+0x102/0x170 [ 4081.036922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.036922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.036922][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.036922][ T10] netlink_unicast+0x449/0x710 [ 4081.036922][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.036922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.036922][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.036922][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.036922][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.036922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.036922][ T10] [ 4081.038539][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4081.038539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4081.038539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4081.038539][ T10] ipv6_find_idev+0x102/0x170 [ 4081.038539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.038539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.038539][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.038539][ T10] netlink_unicast+0x449/0x710 [ 4081.038539][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.038539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.038539][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.038539][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.038539][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.038539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.038539][ T10] [ 4081.040816][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4081.041073][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4081.041073][ T10] netdev_get_by_index+0x5e/0x80 [ 4081.041073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4081.041073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4081.041073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4081.041073][ T10] ipv6_add_addr+0x411/0x2000 [ 4081.041073][ T10] inet6_addr_add+0x30e/0xa40 [ 4081.041073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.041073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.041073][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.041073][ T10] netlink_unicast+0x449/0x710 [ 4081.041073][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.041073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.041073][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.041073][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.041073][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.041073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.041073][ T10] [ 4081.043241][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4081.043241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4081.043241][ T10] ipv6_find_idev+0x102/0x170 [ 4081.043241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.043241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.043241][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.043241][ T10] netlink_unicast+0x449/0x710 [ 4081.043241][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.043241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.043241][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.043241][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.043241][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.043241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.043241][ T10] [ 4081.044920][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4081.044920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4081.044920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4081.044920][ T10] ipv6_find_idev+0x102/0x170 [ 4081.044920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.044920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.044920][ T10] netlink_rcv_skb+0x130/0x360 [ 4081.044920][ T10] netlink_unicast+0x449/0x710 [ 4081.044920][ T10] netlink_sendmsg+0x723/0xbe0 [ 4081.044920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4081.044920][ T10] ___sys_sendmsg+0xee/0x170 [ 4081.044920][ T10] __sys_sendmsg+0xcd/0x170 [ 4081.044920][ T10] do_syscall_64+0xc6/0x1e0 [ 4081.044920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.044920][ T10] [ 4091.288212][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4091.288653][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4091.288653][ T10] netdev_get_by_index+0x5e/0x80 [ 4091.288653][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4091.288653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4091.288653][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4091.288653][ T10] ipv6_add_addr+0x411/0x2000 [ 4091.288653][ T10] inet6_addr_add+0x30e/0xa40 [ 4091.288653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.288653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.288653][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.288653][ T10] netlink_unicast+0x449/0x710 [ 4091.288653][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.288653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.288653][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.288653][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.288653][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.288653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.288653][ T10] [ 4091.290645][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4091.290645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4091.290645][ T10] ipv6_find_idev+0x102/0x170 [ 4091.290645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.290645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.290645][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.290645][ T10] netlink_unicast+0x449/0x710 [ 4091.290645][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.290645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.290645][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.290645][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.290645][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.290645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.290645][ T10] [ 4091.292175][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4091.292175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4091.292175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4091.292175][ T10] ipv6_find_idev+0x102/0x170 [ 4091.292175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.292175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.292175][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.292175][ T10] netlink_unicast+0x449/0x710 [ 4091.292175][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.292175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.292175][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.292175][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.292175][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.292175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.292175][ T10] [ 4091.293835][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4091.294107][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4091.294107][ T10] netdev_get_by_index+0x5e/0x80 [ 4091.294107][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4091.294107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4091.294107][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4091.294107][ T10] ipv6_add_addr+0x411/0x2000 [ 4091.294107][ T10] inet6_addr_add+0x30e/0xa40 [ 4091.294107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.294107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.294107][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.294107][ T10] netlink_unicast+0x449/0x710 [ 4091.294107][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.294107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.294107][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.294107][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.294107][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.294107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.294107][ T10] [ 4091.296081][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4091.296081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4091.296081][ T10] ipv6_find_idev+0x102/0x170 [ 4091.296081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.296081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.296081][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.296081][ T10] netlink_unicast+0x449/0x710 [ 4091.296081][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.296081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.296081][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.296081][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.296081][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.296081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.296081][ T10] [ 4091.297592][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4091.297592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4091.297592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4091.297592][ T10] ipv6_find_idev+0x102/0x170 [ 4091.297592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.297592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.297592][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.297592][ T10] netlink_unicast+0x449/0x710 [ 4091.297592][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.297592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.297592][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.297592][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.297592][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.297592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.297592][ T10] [ 4091.299243][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4091.299503][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4091.299503][ T10] netdev_get_by_index+0x5e/0x80 [ 4091.299503][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4091.299503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4091.299503][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4091.299503][ T10] ipv6_add_addr+0x411/0x2000 [ 4091.299503][ T10] inet6_addr_add+0x30e/0xa40 [ 4091.299503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.299503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.299503][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.299503][ T10] netlink_unicast+0x449/0x710 [ 4091.299503][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.299503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.299503][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.299503][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.299503][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.299503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.299503][ T10] [ 4091.301470][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4091.301470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4091.301470][ T10] ipv6_find_idev+0x102/0x170 [ 4091.301470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.301470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.301470][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.301470][ T10] netlink_unicast+0x449/0x710 [ 4091.301470][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.301470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.301470][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.301470][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.301470][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.301470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.301470][ T10] [ 4091.302981][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4091.302981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4091.302981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4091.302981][ T10] ipv6_find_idev+0x102/0x170 [ 4091.302981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.302981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.302981][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.302981][ T10] netlink_unicast+0x449/0x710 [ 4091.302981][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.302981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.302981][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.302981][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.302981][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.302981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.302981][ T10] [ 4091.304636][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4091.304894][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4091.304894][ T10] netdev_get_by_index+0x5e/0x80 [ 4091.304894][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4091.304894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4091.304894][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4091.304894][ T10] ipv6_add_addr+0x411/0x2000 [ 4091.304894][ T10] inet6_addr_add+0x30e/0xa40 [ 4091.304894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.304894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.304894][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.304894][ T10] netlink_unicast+0x449/0x710 [ 4091.304894][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.304894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.304894][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.304894][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.304894][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.304894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.304894][ T10] [ 4091.306873][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4091.306873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4091.306873][ T10] ipv6_find_idev+0x102/0x170 [ 4091.306873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.306873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.306873][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.306873][ T10] netlink_unicast+0x449/0x710 [ 4091.306873][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.306873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.306873][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.306873][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.306873][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.306873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.306873][ T10] [ 4091.308383][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4091.308383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4091.308383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4091.308383][ T10] ipv6_find_idev+0x102/0x170 [ 4091.308383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.308383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.308383][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.308383][ T10] netlink_unicast+0x449/0x710 [ 4091.308383][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.308383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.308383][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.308383][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.308383][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.308383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.308383][ T10] [ 4091.310442][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4091.310701][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4091.310701][ T10] netdev_get_by_index+0x5e/0x80 [ 4091.310701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4091.310701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4091.310701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4091.310701][ T10] ipv6_add_addr+0x411/0x2000 [ 4091.310701][ T10] inet6_addr_add+0x30e/0xa40 [ 4091.310701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.310701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.310701][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.310701][ T10] netlink_unicast+0x449/0x710 [ 4091.310701][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.310701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.310701][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.310701][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.310701][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.310701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.310701][ T10] [ 4091.312662][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4091.312662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4091.312662][ T10] ipv6_find_idev+0x102/0x170 [ 4091.312662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.312662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.312662][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.312662][ T10] netlink_unicast+0x449/0x710 [ 4091.312662][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.312662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.312662][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.312662][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.312662][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.312662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.312662][ T10] [ 4091.314171][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4091.314171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4091.314171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4091.314171][ T10] ipv6_find_idev+0x102/0x170 [ 4091.314171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.314171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.314171][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.314171][ T10] netlink_unicast+0x449/0x710 [ 4091.314171][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.314171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.314171][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.314171][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.314171][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.314171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.314171][ T10] [ 4091.315861][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4091.316131][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4091.316131][ T10] netdev_get_by_index+0x5e/0x80 [ 4091.316131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4091.316131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4091.316131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4091.316131][ T10] ipv6_add_addr+0x411/0x2000 [ 4091.316131][ T10] inet6_addr_add+0x30e/0xa40 [ 4091.316131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.316131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.316131][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.316131][ T10] netlink_unicast+0x449/0x710 [ 4091.316131][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.316131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.316131][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.316131][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.316131][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.316131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.316131][ T10] [ 4091.318146][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4091.318146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4091.318146][ T10] ipv6_find_idev+0x102/0x170 [ 4091.318146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.318146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.318146][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.318146][ T10] netlink_unicast+0x449/0x710 [ 4091.318146][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.318146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.318146][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.318146][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.318146][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.318146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.318146][ T10] [ 4091.319895][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4091.319895][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4091.319895][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4091.319895][ T10] ipv6_find_idev+0x102/0x170 [ 4091.319895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.319895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.319895][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.319895][ T10] netlink_unicast+0x449/0x710 [ 4091.319895][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.319895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.319895][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.319895][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.319895][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.319895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.319895][ T10] [ 4091.321822][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4091.322081][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4091.322081][ T10] netdev_get_by_index+0x5e/0x80 [ 4091.322081][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4091.322081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4091.322081][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4091.322081][ T10] ipv6_add_addr+0x411/0x2000 [ 4091.322081][ T10] inet6_addr_add+0x30e/0xa40 [ 4091.322081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.322081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.322081][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.322081][ T10] netlink_unicast+0x449/0x710 [ 4091.322081][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.322081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.322081][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.322081][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.322081][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.322081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.322081][ T10] [ 4091.324239][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4091.324239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4091.324239][ T10] ipv6_find_idev+0x102/0x170 [ 4091.324239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.324239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.324239][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.324239][ T10] netlink_unicast+0x449/0x710 [ 4091.324239][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.324239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.324239][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.324239][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.324239][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.324239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.324239][ T10] [ 4091.325930][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4091.325930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4091.325930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4091.325930][ T10] ipv6_find_idev+0x102/0x170 [ 4091.325930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.325930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.325930][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.325930][ T10] netlink_unicast+0x449/0x710 [ 4091.325930][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.325930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.325930][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.325930][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.325930][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.325930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.325930][ T10] [ 4091.327839][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4091.328108][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4091.328108][ T10] netdev_get_by_index+0x5e/0x80 [ 4091.328108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4091.328108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4091.328108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4091.328108][ T10] ipv6_add_addr+0x411/0x2000 [ 4091.328108][ T10] inet6_addr_add+0x30e/0xa40 [ 4091.328108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.328108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.328108][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.328108][ T10] netlink_unicast+0x449/0x710 [ 4091.328108][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.328108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.328108][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.328108][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.328108][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.328108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.328108][ T10] [ 4091.330301][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4091.330301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4091.330301][ T10] ipv6_find_idev+0x102/0x170 [ 4091.330301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.330301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.330301][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.330301][ T10] netlink_unicast+0x449/0x710 [ 4091.330301][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.330301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.330301][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.330301][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.330301][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.330301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.330301][ T10] [ 4091.332000][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4091.332000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4091.332000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4091.332000][ T10] ipv6_find_idev+0x102/0x170 [ 4091.332000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.332000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.332000][ T10] netlink_rcv_skb+0x130/0x360 [ 4091.332000][ T10] netlink_unicast+0x449/0x710 [ 4091.332000][ T10] netlink_sendmsg+0x723/0xbe0 [ 4091.332000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4091.332000][ T10] ___sys_sendmsg+0xee/0x170 [ 4091.332000][ T10] __sys_sendmsg+0xcd/0x170 [ 4091.332000][ T10] do_syscall_64+0xc6/0x1e0 [ 4091.332000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.332000][ T10] [ 4101.360211][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4101.360648][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4101.360648][ T10] netdev_get_by_index+0x5e/0x80 [ 4101.360648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4101.360648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4101.360648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4101.360648][ T10] ipv6_add_addr+0x411/0x2000 [ 4101.360648][ T10] inet6_addr_add+0x30e/0xa40 [ 4101.360648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.360648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.360648][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.360648][ T10] netlink_unicast+0x449/0x710 [ 4101.360648][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.360648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.360648][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.360648][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.360648][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.360648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.360648][ T10] [ 4101.362634][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4101.362634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4101.362634][ T10] ipv6_find_idev+0x102/0x170 [ 4101.362634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.362634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.362634][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.362634][ T10] netlink_unicast+0x449/0x710 [ 4101.362634][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.362634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.362634][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.362634][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.362634][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.362634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.362634][ T10] [ 4101.364153][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4101.364153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4101.364153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4101.364153][ T10] ipv6_find_idev+0x102/0x170 [ 4101.364153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.364153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.364153][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.364153][ T10] netlink_unicast+0x449/0x710 [ 4101.364153][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.364153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.364153][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.364153][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.364153][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.364153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.364153][ T10] [ 4101.365841][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4101.366112][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4101.366112][ T10] netdev_get_by_index+0x5e/0x80 [ 4101.366112][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4101.366112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4101.366112][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4101.366112][ T10] ipv6_add_addr+0x411/0x2000 [ 4101.366112][ T10] inet6_addr_add+0x30e/0xa40 [ 4101.366112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.366112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.366112][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.366112][ T10] netlink_unicast+0x449/0x710 [ 4101.366112][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.366112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.366112][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.366112][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.366112][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.366112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.366112][ T10] [ 4101.368075][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4101.368075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4101.368075][ T10] ipv6_find_idev+0x102/0x170 [ 4101.368075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.368075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.368075][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.368075][ T10] netlink_unicast+0x449/0x710 [ 4101.368075][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.368075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.368075][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.368075][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.368075][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.368075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.368075][ T10] [ 4101.369606][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4101.369606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4101.369606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4101.369606][ T10] ipv6_find_idev+0x102/0x170 [ 4101.369606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.369606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.369606][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.369606][ T10] netlink_unicast+0x449/0x710 [ 4101.369606][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.369606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.369606][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.369606][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.369606][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.369606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.369606][ T10] [ 4101.371242][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4101.371504][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4101.371504][ T10] netdev_get_by_index+0x5e/0x80 [ 4101.371504][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4101.371504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4101.371504][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4101.371504][ T10] ipv6_add_addr+0x411/0x2000 [ 4101.371504][ T10] inet6_addr_add+0x30e/0xa40 [ 4101.371504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.371504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.371504][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.371504][ T10] netlink_unicast+0x449/0x710 [ 4101.371504][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.371504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.371504][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.371504][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.371504][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.371504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.371504][ T10] [ 4101.373479][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4101.373479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4101.373479][ T10] ipv6_find_idev+0x102/0x170 [ 4101.373479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.373479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.373479][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.373479][ T10] netlink_unicast+0x449/0x710 [ 4101.373479][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.373479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.373479][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.373479][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.373479][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.373479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.373479][ T10] [ 4101.374982][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4101.374982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4101.374982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4101.374982][ T10] ipv6_find_idev+0x102/0x170 [ 4101.374982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.374982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.374982][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.374982][ T10] netlink_unicast+0x449/0x710 [ 4101.374982][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.374982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.374982][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.374982][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.374982][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.374982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.374982][ T10] [ 4101.376640][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4101.376897][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4101.376897][ T10] netdev_get_by_index+0x5e/0x80 [ 4101.376897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4101.376897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4101.376897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4101.376897][ T10] ipv6_add_addr+0x411/0x2000 [ 4101.376897][ T10] inet6_addr_add+0x30e/0xa40 [ 4101.376897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.376897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.376897][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.376897][ T10] netlink_unicast+0x449/0x710 [ 4101.376897][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.376897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.376897][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.376897][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.376897][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.376897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.376897][ T10] [ 4101.379366][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4101.379366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4101.379366][ T10] ipv6_find_idev+0x102/0x170 [ 4101.379366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.379366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.379366][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.379366][ T10] netlink_unicast+0x449/0x710 [ 4101.379366][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.379366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.379366][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.379366][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.379366][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.379366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.379366][ T10] [ 4101.380870][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4101.380870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4101.380870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4101.380870][ T10] ipv6_find_idev+0x102/0x170 [ 4101.380870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.380870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.380870][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.380870][ T10] netlink_unicast+0x449/0x710 [ 4101.380870][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.380870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.380870][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.380870][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.380870][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.380870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.380870][ T10] [ 4101.383312][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4101.383571][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4101.383571][ T10] netdev_get_by_index+0x5e/0x80 [ 4101.383571][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4101.383571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4101.383571][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4101.383571][ T10] ipv6_add_addr+0x411/0x2000 [ 4101.383571][ T10] inet6_addr_add+0x30e/0xa40 [ 4101.383571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.383571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.383571][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.383571][ T10] netlink_unicast+0x449/0x710 [ 4101.383571][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.383571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.383571][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.383571][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.383571][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.383571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.383571][ T10] [ 4101.385525][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4101.385525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4101.385525][ T10] ipv6_find_idev+0x102/0x170 [ 4101.385525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.385525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.385525][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.385525][ T10] netlink_unicast+0x449/0x710 [ 4101.385525][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.385525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.385525][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.385525][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.385525][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.385525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.385525][ T10] [ 4101.387038][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4101.387038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4101.387038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4101.387038][ T10] ipv6_find_idev+0x102/0x170 [ 4101.387038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.387038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.387038][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.387038][ T10] netlink_unicast+0x449/0x710 [ 4101.387038][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.387038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.387038][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.387038][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.387038][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.387038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.387038][ T10] [ 4101.388731][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4101.388990][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4101.388990][ T10] netdev_get_by_index+0x5e/0x80 [ 4101.388990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4101.388990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4101.388990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4101.388990][ T10] ipv6_add_addr+0x411/0x2000 [ 4101.388990][ T10] inet6_addr_add+0x30e/0xa40 [ 4101.388990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.388990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.388990][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.388990][ T10] netlink_unicast+0x449/0x710 [ 4101.388990][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.388990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.388990][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.388990][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.388990][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.388990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.388990][ T10] [ 4101.391083][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4101.391083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4101.391083][ T10] ipv6_find_idev+0x102/0x170 [ 4101.391083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.391083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.391083][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.391083][ T10] netlink_unicast+0x449/0x710 [ 4101.391083][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.391083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.391083][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.391083][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.391083][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.391083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.391083][ T10] [ 4101.392789][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4101.392789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4101.392789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4101.392789][ T10] ipv6_find_idev+0x102/0x170 [ 4101.392789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.392789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.392789][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.392789][ T10] netlink_unicast+0x449/0x710 [ 4101.392789][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.392789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.392789][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.392789][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.392789][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.392789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.392789][ T10] [ 4101.394723][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4101.394981][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4101.394981][ T10] netdev_get_by_index+0x5e/0x80 [ 4101.394981][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4101.394981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4101.394981][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4101.394981][ T10] ipv6_add_addr+0x411/0x2000 [ 4101.394981][ T10] inet6_addr_add+0x30e/0xa40 [ 4101.394981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.394981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.394981][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.394981][ T10] netlink_unicast+0x449/0x710 [ 4101.394981][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.394981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.394981][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.394981][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.394981][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.394981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.394981][ T10] [ 4101.397065][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4101.397065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4101.397065][ T10] ipv6_find_idev+0x102/0x170 [ 4101.397065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.397065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.397065][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.397065][ T10] netlink_unicast+0x449/0x710 [ 4101.397065][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.397065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.397065][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.397065][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.397065][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.397065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.397065][ T10] [ 4101.398758][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4101.398758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4101.398758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4101.398758][ T10] ipv6_find_idev+0x102/0x170 [ 4101.398758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.398758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.398758][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.398758][ T10] netlink_unicast+0x449/0x710 [ 4101.398758][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.398758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.398758][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.398758][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.398758][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.398758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.398758][ T10] [ 4101.400671][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4101.400941][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4101.400941][ T10] netdev_get_by_index+0x5e/0x80 [ 4101.400941][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4101.400941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4101.400941][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4101.400941][ T10] ipv6_add_addr+0x411/0x2000 [ 4101.400941][ T10] inet6_addr_add+0x30e/0xa40 [ 4101.400941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4101.400941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.400941][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.400941][ T10] netlink_unicast+0x449/0x710 [ 4101.400941][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.400941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.400941][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.400941][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.400941][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.400941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.400941][ T10] [ 4101.403134][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4101.403134][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4101.403134][ T10] ipv6_find_idev+0x102/0x170 [ 4101.403134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.403134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.403134][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.403134][ T10] netlink_unicast+0x449/0x710 [ 4101.403134][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.403134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.403134][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.403134][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.403134][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.403134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.403134][ T10] [ 4101.404825][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4101.404825][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4101.404825][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4101.404825][ T10] ipv6_find_idev+0x102/0x170 [ 4101.404825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4101.404825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4101.404825][ T10] netlink_rcv_skb+0x130/0x360 [ 4101.404825][ T10] netlink_unicast+0x449/0x710 [ 4101.404825][ T10] netlink_sendmsg+0x723/0xbe0 [ 4101.404825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4101.404825][ T10] ___sys_sendmsg+0xee/0x170 [ 4101.404825][ T10] __sys_sendmsg+0xcd/0x170 [ 4101.404825][ T10] do_syscall_64+0xc6/0x1e0 [ 4101.404825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4101.404825][ T10] [ 4111.648267][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4111.648761][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4111.648761][ T10] netdev_get_by_index+0x5e/0x80 [ 4111.648761][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4111.648761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4111.648761][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4111.648761][ T10] ipv6_add_addr+0x411/0x2000 [ 4111.648761][ T10] inet6_addr_add+0x30e/0xa40 [ 4111.648761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.648761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.648761][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.648761][ T10] netlink_unicast+0x449/0x710 [ 4111.648761][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.648761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.648761][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.648761][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.648761][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.648761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.648761][ T10] [ 4111.650772][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4111.650772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4111.650772][ T10] ipv6_find_idev+0x102/0x170 [ 4111.650772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.650772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.650772][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.650772][ T10] netlink_unicast+0x449/0x710 [ 4111.650772][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.650772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.650772][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.650772][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.650772][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.650772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.650772][ T10] [ 4111.652288][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4111.652288][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4111.652288][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4111.652288][ T10] ipv6_find_idev+0x102/0x170 [ 4111.652288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.652288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.652288][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.652288][ T10] netlink_unicast+0x449/0x710 [ 4111.652288][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.652288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.652288][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.652288][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.652288][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.652288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.652288][ T10] [ 4111.653932][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4111.654220][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4111.654220][ T10] netdev_get_by_index+0x5e/0x80 [ 4111.654220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4111.654220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4111.654220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4111.654220][ T10] ipv6_add_addr+0x411/0x2000 [ 4111.654220][ T10] inet6_addr_add+0x30e/0xa40 [ 4111.654220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.654220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.654220][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.654220][ T10] netlink_unicast+0x449/0x710 [ 4111.654220][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.654220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.654220][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.654220][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.654220][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.654220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.654220][ T10] [ 4111.656200][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4111.656200][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4111.656200][ T10] ipv6_find_idev+0x102/0x170 [ 4111.656200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.656200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.656200][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.656200][ T10] netlink_unicast+0x449/0x710 [ 4111.656200][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.656200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.656200][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.656200][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.656200][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.656200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.656200][ T10] [ 4111.657723][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4111.657723][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4111.657723][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4111.657723][ T10] ipv6_find_idev+0x102/0x170 [ 4111.657723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.657723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.657723][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.657723][ T10] netlink_unicast+0x449/0x710 [ 4111.657723][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.657723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.657723][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.657723][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.657723][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.657723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.657723][ T10] [ 4111.659371][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4111.659632][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4111.659632][ T10] netdev_get_by_index+0x5e/0x80 [ 4111.659632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4111.659632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4111.659632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4111.659632][ T10] ipv6_add_addr+0x411/0x2000 [ 4111.659632][ T10] inet6_addr_add+0x30e/0xa40 [ 4111.659632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.659632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.659632][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.659632][ T10] netlink_unicast+0x449/0x710 [ 4111.659632][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.659632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.659632][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.659632][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.659632][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.659632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.659632][ T10] [ 4111.661626][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4111.661626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4111.661626][ T10] ipv6_find_idev+0x102/0x170 [ 4111.661626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.661626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.661626][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.661626][ T10] netlink_unicast+0x449/0x710 [ 4111.661626][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.661626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.661626][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.661626][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.661626][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.661626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.661626][ T10] [ 4111.663140][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4111.663140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4111.663140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4111.663140][ T10] ipv6_find_idev+0x102/0x170 [ 4111.663140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.663140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.663140][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.663140][ T10] netlink_unicast+0x449/0x710 [ 4111.663140][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.663140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.663140][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.663140][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.663140][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.663140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.663140][ T10] [ 4111.665205][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4111.665471][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4111.665471][ T10] netdev_get_by_index+0x5e/0x80 [ 4111.665471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4111.665471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4111.665471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4111.665471][ T10] ipv6_add_addr+0x411/0x2000 [ 4111.665471][ T10] inet6_addr_add+0x30e/0xa40 [ 4111.665471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.665471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.665471][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.665471][ T10] netlink_unicast+0x449/0x710 [ 4111.665471][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.665471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.665471][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.665471][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.665471][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.665471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.665471][ T10] [ 4111.667447][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4111.667447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4111.667447][ T10] ipv6_find_idev+0x102/0x170 [ 4111.667447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.667447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.667447][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.667447][ T10] netlink_unicast+0x449/0x710 [ 4111.667447][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.667447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.667447][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.667447][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.667447][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.667447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.667447][ T10] [ 4111.668965][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4111.668965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4111.668965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4111.668965][ T10] ipv6_find_idev+0x102/0x170 [ 4111.668965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.668965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.668965][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.668965][ T10] netlink_unicast+0x449/0x710 [ 4111.668965][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.668965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.668965][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.668965][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.668965][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.668965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.668965][ T10] [ 4111.670660][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4111.670916][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4111.670916][ T10] netdev_get_by_index+0x5e/0x80 [ 4111.670916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4111.670916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4111.670916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4111.670916][ T10] ipv6_add_addr+0x411/0x2000 [ 4111.670916][ T10] inet6_addr_add+0x30e/0xa40 [ 4111.670916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.670916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.670916][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.670916][ T10] netlink_unicast+0x449/0x710 [ 4111.670916][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.670916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.670916][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.670916][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.670916][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.670916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.670916][ T10] [ 4111.672893][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4111.672893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4111.672893][ T10] ipv6_find_idev+0x102/0x170 [ 4111.672893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.672893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.672893][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.672893][ T10] netlink_unicast+0x449/0x710 [ 4111.672893][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.672893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.672893][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.672893][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.672893][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.672893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.672893][ T10] [ 4111.674416][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4111.674416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4111.674416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4111.674416][ T10] ipv6_find_idev+0x102/0x170 [ 4111.674416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.674416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.674416][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.674416][ T10] netlink_unicast+0x449/0x710 [ 4111.674416][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.674416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.674416][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.674416][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.674416][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.674416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.674416][ T10] [ 4111.676129][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4111.676389][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4111.676389][ T10] netdev_get_by_index+0x5e/0x80 [ 4111.676389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4111.676389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4111.676389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4111.676389][ T10] ipv6_add_addr+0x411/0x2000 [ 4111.676389][ T10] inet6_addr_add+0x30e/0xa40 [ 4111.676389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.676389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.676389][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.676389][ T10] netlink_unicast+0x449/0x710 [ 4111.676389][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.676389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.676389][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.676389][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.676389][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.676389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.676389][ T10] [ 4111.678470][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4111.678470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4111.678470][ T10] ipv6_find_idev+0x102/0x170 [ 4111.678470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.678470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.678470][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.678470][ T10] netlink_unicast+0x449/0x710 [ 4111.678470][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.678470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.678470][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.678470][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.678470][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.678470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.678470][ T10] [ 4111.680221][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4111.680221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4111.680221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4111.680221][ T10] ipv6_find_idev+0x102/0x170 [ 4111.680221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.680221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.680221][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.680221][ T10] netlink_unicast+0x449/0x710 [ 4111.680221][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.680221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.680221][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.680221][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.680221][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.680221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.680221][ T10] [ 4111.682087][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4111.682405][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4111.682405][ T10] netdev_get_by_index+0x5e/0x80 [ 4111.682405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4111.682405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4111.682405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4111.682405][ T10] ipv6_add_addr+0x411/0x2000 [ 4111.682405][ T10] inet6_addr_add+0x30e/0xa40 [ 4111.682405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.682405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.682405][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.682405][ T10] netlink_unicast+0x449/0x710 [ 4111.682405][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.682405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.682405][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.682405][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.682405][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.682405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.682405][ T10] [ 4111.684543][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4111.684543][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4111.684543][ T10] ipv6_find_idev+0x102/0x170 [ 4111.684543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.684543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.684543][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.684543][ T10] netlink_unicast+0x449/0x710 [ 4111.684543][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.684543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.684543][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.684543][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.684543][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.684543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.684543][ T10] [ 4111.686232][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4111.686232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4111.686232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4111.686232][ T10] ipv6_find_idev+0x102/0x170 [ 4111.686232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.686232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.686232][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.686232][ T10] netlink_unicast+0x449/0x710 [ 4111.686232][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.686232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.686232][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.686232][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.686232][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.686232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.686232][ T10] [ 4111.688109][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4111.688418][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4111.688418][ T10] netdev_get_by_index+0x5e/0x80 [ 4111.688418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4111.688418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4111.688418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4111.688418][ T10] ipv6_add_addr+0x411/0x2000 [ 4111.688418][ T10] inet6_addr_add+0x30e/0xa40 [ 4111.688418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4111.688418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.688418][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.688418][ T10] netlink_unicast+0x449/0x710 [ 4111.688418][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.688418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.688418][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.688418][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.688418][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.688418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.688418][ T10] [ 4111.690619][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4111.690619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4111.690619][ T10] ipv6_find_idev+0x102/0x170 [ 4111.690619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.690619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.690619][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.690619][ T10] netlink_unicast+0x449/0x710 [ 4111.690619][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.690619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.690619][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.690619][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.690619][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.690619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.690619][ T10] [ 4111.692331][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4111.692331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4111.692331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4111.692331][ T10] ipv6_find_idev+0x102/0x170 [ 4111.692331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4111.692331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4111.692331][ T10] netlink_rcv_skb+0x130/0x360 [ 4111.692331][ T10] netlink_unicast+0x449/0x710 [ 4111.692331][ T10] netlink_sendmsg+0x723/0xbe0 [ 4111.692331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4111.692331][ T10] ___sys_sendmsg+0xee/0x170 [ 4111.692331][ T10] __sys_sendmsg+0xcd/0x170 [ 4111.692331][ T10] do_syscall_64+0xc6/0x1e0 [ 4111.692331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4111.692331][ T10] [ 4121.792247][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4121.792698][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4121.792698][ T10] netdev_get_by_index+0x5e/0x80 [ 4121.792698][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4121.792698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4121.792698][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4121.792698][ T10] ipv6_add_addr+0x411/0x2000 [ 4121.792698][ T10] inet6_addr_add+0x30e/0xa40 [ 4121.792698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4121.792698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.792698][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.792698][ T10] netlink_unicast+0x449/0x710 [ 4121.792698][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.792698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.792698][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.792698][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.792698][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.792698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.792698][ T10] [ 4121.794677][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4121.794677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4121.794677][ T10] ipv6_find_idev+0x102/0x170 [ 4121.794677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.794677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.794677][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.794677][ T10] netlink_unicast+0x449/0x710 [ 4121.794677][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.794677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.794677][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.794677][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.794677][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.794677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.794677][ T10] [ 4121.796207][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4121.796207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4121.796207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4121.796207][ T10] ipv6_find_idev+0x102/0x170 [ 4121.796207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.796207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.796207][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.796207][ T10] netlink_unicast+0x449/0x710 [ 4121.796207][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.796207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.796207][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.796207][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.796207][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.796207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.796207][ T10] [ 4121.797886][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4121.798172][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4121.798172][ T10] netdev_get_by_index+0x5e/0x80 [ 4121.798172][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4121.798172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4121.798172][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4121.798172][ T10] ipv6_add_addr+0x411/0x2000 [ 4121.798172][ T10] inet6_addr_add+0x30e/0xa40 [ 4121.798172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4121.798172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.798172][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.798172][ T10] netlink_unicast+0x449/0x710 [ 4121.798172][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.798172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.798172][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.798172][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.798172][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.798172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.798172][ T10] [ 4121.800133][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4121.800133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4121.800133][ T10] ipv6_find_idev+0x102/0x170 [ 4121.800133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.800133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.800133][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.800133][ T10] netlink_unicast+0x449/0x710 [ 4121.800133][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.800133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.800133][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.800133][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.800133][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.800133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.800133][ T10] [ 4121.801643][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4121.801643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4121.801643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4121.801643][ T10] ipv6_find_idev+0x102/0x170 [ 4121.801643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.801643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.801643][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.801643][ T10] netlink_unicast+0x449/0x710 [ 4121.801643][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.801643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.801643][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.801643][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.801643][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.801643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.801643][ T10] [ 4121.803291][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4121.803556][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4121.803556][ T10] netdev_get_by_index+0x5e/0x80 [ 4121.803556][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4121.803556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4121.803556][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4121.803556][ T10] ipv6_add_addr+0x411/0x2000 [ 4121.803556][ T10] inet6_addr_add+0x30e/0xa40 [ 4121.803556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4121.803556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.803556][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.803556][ T10] netlink_unicast+0x449/0x710 [ 4121.803556][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.803556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.803556][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.803556][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.803556][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.803556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.803556][ T10] [ 4121.805537][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4121.805537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4121.805537][ T10] ipv6_find_idev+0x102/0x170 [ 4121.805537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.805537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.805537][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.805537][ T10] netlink_unicast+0x449/0x710 [ 4121.805537][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.805537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.805537][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.805537][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.805537][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.805537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.805537][ T10] [ 4121.807060][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4121.807060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4121.807060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4121.807060][ T10] ipv6_find_idev+0x102/0x170 [ 4121.807060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.807060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.807060][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.807060][ T10] netlink_unicast+0x449/0x710 [ 4121.807060][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.807060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.807060][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.807060][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.807060][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.807060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.807060][ T10] [ 4121.809130][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4121.809391][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4121.809391][ T10] netdev_get_by_index+0x5e/0x80 [ 4121.809391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4121.809391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4121.809391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4121.809391][ T10] ipv6_add_addr+0x411/0x2000 [ 4121.809391][ T10] inet6_addr_add+0x30e/0xa40 [ 4121.809391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4121.809391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.809391][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.809391][ T10] netlink_unicast+0x449/0x710 [ 4121.809391][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.809391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.809391][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.809391][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.809391][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.809391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.809391][ T10] [ 4121.811359][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4121.811359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4121.811359][ T10] ipv6_find_idev+0x102/0x170 [ 4121.811359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.811359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.811359][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.811359][ T10] netlink_unicast+0x449/0x710 [ 4121.811359][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.811359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.811359][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.811359][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.811359][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.811359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.811359][ T10] [ 4121.812868][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4121.812868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4121.812868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4121.812868][ T10] ipv6_find_idev+0x102/0x170 [ 4121.812868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.812868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.812868][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.812868][ T10] netlink_unicast+0x449/0x710 [ 4121.812868][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.812868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.812868][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.812868][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.812868][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.812868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.812868][ T10] [ 4121.814555][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4121.814823][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4121.814823][ T10] netdev_get_by_index+0x5e/0x80 [ 4121.814823][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4121.814823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4121.814823][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4121.814823][ T10] ipv6_add_addr+0x411/0x2000 [ 4121.814823][ T10] inet6_addr_add+0x30e/0xa40 [ 4121.814823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4121.814823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.814823][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.814823][ T10] netlink_unicast+0x449/0x710 [ 4121.814823][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.814823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.814823][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.814823][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.814823][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.814823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.814823][ T10] [ 4121.816806][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4121.816806][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4121.816806][ T10] ipv6_find_idev+0x102/0x170 [ 4121.816806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.816806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.816806][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.816806][ T10] netlink_unicast+0x449/0x710 [ 4121.816806][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.816806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.816806][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.816806][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.816806][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.816806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.816806][ T10] [ 4121.818318][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4121.818318][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4121.818318][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4121.818318][ T10] ipv6_find_idev+0x102/0x170 [ 4121.818318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.818318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.818318][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.818318][ T10] netlink_unicast+0x449/0x710 [ 4121.818318][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.818318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.818318][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.818318][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.818318][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.818318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.818318][ T10] [ 4121.820009][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4121.820326][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4121.820326][ T10] netdev_get_by_index+0x5e/0x80 [ 4121.820326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4121.820326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4121.820326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4121.820326][ T10] ipv6_add_addr+0x411/0x2000 [ 4121.820326][ T10] inet6_addr_add+0x30e/0xa40 [ 4121.820326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4121.820326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.820326][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.820326][ T10] netlink_unicast+0x449/0x710 [ 4121.820326][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.820326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.820326][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.820326][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.820326][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.820326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.820326][ T10] [ 4121.822359][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4121.822359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4121.822359][ T10] ipv6_find_idev+0x102/0x170 [ 4121.822359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.822359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.822359][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.822359][ T10] netlink_unicast+0x449/0x710 [ 4121.822359][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.822359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.822359][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.822359][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.822359][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.822359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.822359][ T10] [ 4121.824111][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4121.824111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4121.824111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4121.824111][ T10] ipv6_find_idev+0x102/0x170 [ 4121.824111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.824111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.824111][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.824111][ T10] netlink_unicast+0x449/0x710 [ 4121.824111][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.824111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.824111][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.824111][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.824111][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.824111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.824111][ T10] [ 4121.826068][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4121.826385][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4121.826385][ T10] netdev_get_by_index+0x5e/0x80 [ 4121.826385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4121.826385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4121.826385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4121.826385][ T10] ipv6_add_addr+0x411/0x2000 [ 4121.826385][ T10] inet6_addr_add+0x30e/0xa40 [ 4121.826385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4121.826385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.826385][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.826385][ T10] netlink_unicast+0x449/0x710 [ 4121.826385][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.826385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.826385][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.826385][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.826385][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.826385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.826385][ T10] [ 4121.828514][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4121.828514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4121.828514][ T10] ipv6_find_idev+0x102/0x170 [ 4121.828514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.828514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.828514][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.828514][ T10] netlink_unicast+0x449/0x710 [ 4121.828514][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.828514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.828514][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.828514][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.828514][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.828514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.828514][ T10] [ 4121.830138][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4121.830138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4121.830138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4121.830138][ T10] ipv6_find_idev+0x102/0x170 [ 4121.830138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.830138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.830138][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.830138][ T10] netlink_unicast+0x449/0x710 [ 4121.830138][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.830138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.830138][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.830138][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.830138][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.830138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.830138][ T10] [ 4121.832056][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4121.832376][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4121.832376][ T10] netdev_get_by_index+0x5e/0x80 [ 4121.832376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4121.832376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4121.832376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4121.832376][ T10] ipv6_add_addr+0x411/0x2000 [ 4121.832376][ T10] inet6_addr_add+0x30e/0xa40 [ 4121.832376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4121.832376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.832376][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.832376][ T10] netlink_unicast+0x449/0x710 [ 4121.832376][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.832376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.832376][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.832376][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.832376][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.832376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.832376][ T10] [ 4121.834578][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4121.834578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4121.834578][ T10] ipv6_find_idev+0x102/0x170 [ 4121.834578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.834578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.834578][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.834578][ T10] netlink_unicast+0x449/0x710 [ 4121.834578][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.834578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.834578][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.834578][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.834578][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.834578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.834578][ T10] [ 4121.836273][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4121.836273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4121.836273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4121.836273][ T10] ipv6_find_idev+0x102/0x170 [ 4121.836273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4121.836273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4121.836273][ T10] netlink_rcv_skb+0x130/0x360 [ 4121.836273][ T10] netlink_unicast+0x449/0x710 [ 4121.836273][ T10] netlink_sendmsg+0x723/0xbe0 [ 4121.836273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4121.836273][ T10] ___sys_sendmsg+0xee/0x170 [ 4121.836273][ T10] __sys_sendmsg+0xcd/0x170 [ 4121.836273][ T10] do_syscall_64+0xc6/0x1e0 [ 4121.836273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4121.836273][ T10] [ 4132.080222][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4132.080683][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4132.080683][ T10] netdev_get_by_index+0x5e/0x80 [ 4132.080683][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4132.080683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4132.080683][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4132.080683][ T10] ipv6_add_addr+0x411/0x2000 [ 4132.080683][ T10] inet6_addr_add+0x30e/0xa40 [ 4132.080683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.080683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.080683][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.080683][ T10] netlink_unicast+0x449/0x710 [ 4132.080683][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.080683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.080683][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.080683][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.080683][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.080683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.080683][ T10] [ 4132.082688][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4132.082688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4132.082688][ T10] ipv6_find_idev+0x102/0x170 [ 4132.082688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.082688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.082688][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.082688][ T10] netlink_unicast+0x449/0x710 [ 4132.082688][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.082688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.082688][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.082688][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.082688][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.082688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.082688][ T10] [ 4132.084221][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4132.084221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4132.084221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4132.084221][ T10] ipv6_find_idev+0x102/0x170 [ 4132.084221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.084221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.084221][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.084221][ T10] netlink_unicast+0x449/0x710 [ 4132.084221][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.084221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.084221][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.084221][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.084221][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.084221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.084221][ T10] [ 4132.085949][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4132.086234][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4132.086234][ T10] netdev_get_by_index+0x5e/0x80 [ 4132.086234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4132.086234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4132.086234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4132.086234][ T10] ipv6_add_addr+0x411/0x2000 [ 4132.086234][ T10] inet6_addr_add+0x30e/0xa40 [ 4132.086234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.086234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.086234][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.086234][ T10] netlink_unicast+0x449/0x710 [ 4132.086234][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.086234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.086234][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.086234][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.086234][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.086234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.086234][ T10] [ 4132.088236][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4132.088236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4132.088236][ T10] ipv6_find_idev+0x102/0x170 [ 4132.088236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.088236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.088236][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.088236][ T10] netlink_unicast+0x449/0x710 [ 4132.088236][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.088236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.088236][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.088236][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.088236][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.088236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.088236][ T10] [ 4132.089785][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4132.089785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4132.089785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4132.089785][ T10] ipv6_find_idev+0x102/0x170 [ 4132.089785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.089785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.089785][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.089785][ T10] netlink_unicast+0x449/0x710 [ 4132.089785][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.089785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.089785][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.089785][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.089785][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.089785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.089785][ T10] [ 4132.091465][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4132.091731][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4132.091731][ T10] netdev_get_by_index+0x5e/0x80 [ 4132.091731][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4132.091731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4132.091731][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4132.091731][ T10] ipv6_add_addr+0x411/0x2000 [ 4132.091731][ T10] inet6_addr_add+0x30e/0xa40 [ 4132.091731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.091731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.091731][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.091731][ T10] netlink_unicast+0x449/0x710 [ 4132.091731][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.091731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.091731][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.091731][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.091731][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.091731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.091731][ T10] [ 4132.093710][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4132.093710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4132.093710][ T10] ipv6_find_idev+0x102/0x170 [ 4132.093710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.093710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.093710][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.093710][ T10] netlink_unicast+0x449/0x710 [ 4132.093710][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.093710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.093710][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.093710][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.093710][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.093710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.093710][ T10] [ 4132.095248][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4132.095248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4132.095248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4132.095248][ T10] ipv6_find_idev+0x102/0x170 [ 4132.095248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.095248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.095248][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.095248][ T10] netlink_unicast+0x449/0x710 [ 4132.095248][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.095248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.095248][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.095248][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.095248][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.095248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.095248][ T10] [ 4132.096934][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4132.097635][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4132.097635][ T10] netdev_get_by_index+0x5e/0x80 [ 4132.097635][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4132.097635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4132.097635][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4132.097635][ T10] ipv6_add_addr+0x411/0x2000 [ 4132.097635][ T10] inet6_addr_add+0x30e/0xa40 [ 4132.097635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.097635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.097635][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.097635][ T10] netlink_unicast+0x449/0x710 [ 4132.097635][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.097635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.097635][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.097635][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.097635][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.097635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.097635][ T10] [ 4132.099650][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4132.099650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4132.099650][ T10] ipv6_find_idev+0x102/0x170 [ 4132.099650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.099650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.099650][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.099650][ T10] netlink_unicast+0x449/0x710 [ 4132.099650][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.099650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.099650][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.099650][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.099650][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.099650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.099650][ T10] [ 4132.101188][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4132.101188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4132.101188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4132.101188][ T10] ipv6_find_idev+0x102/0x170 [ 4132.101188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.101188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.101188][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.101188][ T10] netlink_unicast+0x449/0x710 [ 4132.101188][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.101188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.101188][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.101188][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.101188][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.101188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.101188][ T10] [ 4132.102905][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4132.103220][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4132.103220][ T10] netdev_get_by_index+0x5e/0x80 [ 4132.103220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4132.103220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4132.103220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4132.103220][ T10] ipv6_add_addr+0x411/0x2000 [ 4132.103220][ T10] inet6_addr_add+0x30e/0xa40 [ 4132.103220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.103220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.103220][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.103220][ T10] netlink_unicast+0x449/0x710 [ 4132.103220][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.103220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.103220][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.103220][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.103220][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.103220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.103220][ T10] [ 4132.105217][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4132.105217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4132.105217][ T10] ipv6_find_idev+0x102/0x170 [ 4132.105217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.105217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.105217][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.105217][ T10] netlink_unicast+0x449/0x710 [ 4132.105217][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.105217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.105217][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.105217][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.105217][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.105217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.105217][ T10] [ 4132.106875][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4132.106875][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4132.106875][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4132.106875][ T10] ipv6_find_idev+0x102/0x170 [ 4132.106875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.106875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.106875][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.106875][ T10] netlink_unicast+0x449/0x710 [ 4132.106875][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.106875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.106875][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.106875][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.106875][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.106875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.106875][ T10] [ 4132.108599][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4132.108930][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4132.108930][ T10] netdev_get_by_index+0x5e/0x80 [ 4132.108930][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4132.108930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4132.108930][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4132.108930][ T10] ipv6_add_addr+0x411/0x2000 [ 4132.108930][ T10] inet6_addr_add+0x30e/0xa40 [ 4132.108930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.108930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.108930][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.108930][ T10] netlink_unicast+0x449/0x710 [ 4132.108930][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.108930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.108930][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.108930][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.108930][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.108930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.108930][ T10] [ 4132.110995][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4132.110995][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4132.110995][ T10] ipv6_find_idev+0x102/0x170 [ 4132.110995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.110995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.110995][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.110995][ T10] netlink_unicast+0x449/0x710 [ 4132.110995][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.110995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.110995][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.110995][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.110995][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.110995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.110995][ T10] [ 4132.112781][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4132.112781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4132.112781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4132.112781][ T10] ipv6_find_idev+0x102/0x170 [ 4132.112781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.112781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.112781][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.112781][ T10] netlink_unicast+0x449/0x710 [ 4132.112781][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.112781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.112781][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.112781][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.112781][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.112781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.112781][ T10] [ 4132.114671][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4132.114982][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4132.114982][ T10] netdev_get_by_index+0x5e/0x80 [ 4132.114982][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4132.114982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4132.114982][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4132.114982][ T10] ipv6_add_addr+0x411/0x2000 [ 4132.114982][ T10] inet6_addr_add+0x30e/0xa40 [ 4132.114982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.114982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.114982][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.114982][ T10] netlink_unicast+0x449/0x710 [ 4132.114982][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.114982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.114982][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.114982][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.114982][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.114982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.114982][ T10] [ 4132.117154][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4132.117154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4132.117154][ T10] ipv6_find_idev+0x102/0x170 [ 4132.117154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.117154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.117154][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.117154][ T10] netlink_unicast+0x449/0x710 [ 4132.117154][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.117154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.117154][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.117154][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.117154][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.117154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.117154][ T10] [ 4132.118882][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4132.118882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4132.118882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4132.118882][ T10] ipv6_find_idev+0x102/0x170 [ 4132.118882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.118882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.118882][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.118882][ T10] netlink_unicast+0x449/0x710 [ 4132.118882][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.118882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.118882][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.118882][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.118882][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.118882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.118882][ T10] [ 4132.120775][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4132.121090][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4132.121090][ T10] netdev_get_by_index+0x5e/0x80 [ 4132.121090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4132.121090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4132.121090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4132.121090][ T10] ipv6_add_addr+0x411/0x2000 [ 4132.121090][ T10] inet6_addr_add+0x30e/0xa40 [ 4132.121090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.121090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.121090][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.121090][ T10] netlink_unicast+0x449/0x710 [ 4132.121090][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.121090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.121090][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.121090][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.121090][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.121090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.121090][ T10] [ 4132.123249][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4132.123249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4132.123249][ T10] ipv6_find_idev+0x102/0x170 [ 4132.123249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.123249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.123249][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.123249][ T10] netlink_unicast+0x449/0x710 [ 4132.123249][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.123249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.123249][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.123249][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.123249][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.123249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.123249][ T10] [ 4132.125022][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4132.125022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4132.125022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4132.125022][ T10] ipv6_find_idev+0x102/0x170 [ 4132.125022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.125022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.125022][ T10] netlink_rcv_skb+0x130/0x360 [ 4132.125022][ T10] netlink_unicast+0x449/0x710 [ 4132.125022][ T10] netlink_sendmsg+0x723/0xbe0 [ 4132.125022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4132.125022][ T10] ___sys_sendmsg+0xee/0x170 [ 4132.125022][ T10] __sys_sendmsg+0xcd/0x170 [ 4132.125022][ T10] do_syscall_64+0xc6/0x1e0 [ 4132.125022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.125022][ T10] [ 4142.152238][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4142.152699][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4142.152699][ T10] netdev_get_by_index+0x5e/0x80 [ 4142.152699][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4142.152699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4142.152699][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4142.152699][ T10] ipv6_add_addr+0x411/0x2000 [ 4142.152699][ T10] inet6_addr_add+0x30e/0xa40 [ 4142.152699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.152699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.152699][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.152699][ T10] netlink_unicast+0x449/0x710 [ 4142.152699][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.152699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.152699][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.152699][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.152699][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.152699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.152699][ T10] [ 4142.154702][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4142.154702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4142.154702][ T10] ipv6_find_idev+0x102/0x170 [ 4142.154702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.154702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.154702][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.154702][ T10] netlink_unicast+0x449/0x710 [ 4142.154702][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.154702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.154702][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.154702][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.154702][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.154702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.154702][ T10] [ 4142.156242][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4142.156242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4142.156242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4142.156242][ T10] ipv6_find_idev+0x102/0x170 [ 4142.156242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.156242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.156242][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.156242][ T10] netlink_unicast+0x449/0x710 [ 4142.156242][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.156242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.156242][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.156242][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.156242][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.156242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.156242][ T10] [ 4142.157945][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4142.158228][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4142.158228][ T10] netdev_get_by_index+0x5e/0x80 [ 4142.158228][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4142.158228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4142.158228][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4142.158228][ T10] ipv6_add_addr+0x411/0x2000 [ 4142.158228][ T10] inet6_addr_add+0x30e/0xa40 [ 4142.158228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.158228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.158228][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.158228][ T10] netlink_unicast+0x449/0x710 [ 4142.158228][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.158228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.158228][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.158228][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.158228][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.158228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.158228][ T10] [ 4142.160224][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4142.160224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4142.160224][ T10] ipv6_find_idev+0x102/0x170 [ 4142.160224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.160224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.160224][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.160224][ T10] netlink_unicast+0x449/0x710 [ 4142.160224][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.160224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.160224][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.160224][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.160224][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.160224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.160224][ T10] [ 4142.161775][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4142.161775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4142.161775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4142.161775][ T10] ipv6_find_idev+0x102/0x170 [ 4142.161775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.161775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.161775][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.161775][ T10] netlink_unicast+0x449/0x710 [ 4142.161775][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.161775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.161775][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.161775][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.161775][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.161775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.161775][ T10] [ 4142.163467][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4142.163742][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4142.163742][ T10] netdev_get_by_index+0x5e/0x80 [ 4142.163742][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4142.163742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4142.163742][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4142.163742][ T10] ipv6_add_addr+0x411/0x2000 [ 4142.163742][ T10] inet6_addr_add+0x30e/0xa40 [ 4142.163742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.163742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.163742][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.163742][ T10] netlink_unicast+0x449/0x710 [ 4142.163742][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.163742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.163742][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.163742][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.163742][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.163742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.163742][ T10] [ 4142.165735][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4142.165735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4142.165735][ T10] ipv6_find_idev+0x102/0x170 [ 4142.165735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.165735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.165735][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.165735][ T10] netlink_unicast+0x449/0x710 [ 4142.165735][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.165735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.165735][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.165735][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.165735][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.165735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.165735][ T10] [ 4142.167264][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4142.167264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4142.167264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4142.167264][ T10] ipv6_find_idev+0x102/0x170 [ 4142.167264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.167264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.167264][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.167264][ T10] netlink_unicast+0x449/0x710 [ 4142.167264][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.167264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.167264][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.167264][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.167264][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.167264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.167264][ T10] [ 4142.168932][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4142.169645][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4142.169645][ T10] netdev_get_by_index+0x5e/0x80 [ 4142.169645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4142.169645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4142.169645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4142.169645][ T10] ipv6_add_addr+0x411/0x2000 [ 4142.169645][ T10] inet6_addr_add+0x30e/0xa40 [ 4142.169645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.169645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.169645][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.169645][ T10] netlink_unicast+0x449/0x710 [ 4142.169645][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.169645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.169645][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.169645][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.169645][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.169645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.169645][ T10] [ 4142.171630][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4142.171630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4142.171630][ T10] ipv6_find_idev+0x102/0x170 [ 4142.171630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.171630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.171630][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.171630][ T10] netlink_unicast+0x449/0x710 [ 4142.171630][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.171630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.171630][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.171630][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.171630][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.171630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.171630][ T10] [ 4142.173163][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4142.173163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4142.173163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4142.173163][ T10] ipv6_find_idev+0x102/0x170 [ 4142.173163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.173163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.173163][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.173163][ T10] netlink_unicast+0x449/0x710 [ 4142.173163][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.173163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.173163][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.173163][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.173163][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.173163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.173163][ T10] [ 4142.174883][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4142.175199][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4142.175199][ T10] netdev_get_by_index+0x5e/0x80 [ 4142.175199][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4142.175199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4142.175199][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4142.175199][ T10] ipv6_add_addr+0x411/0x2000 [ 4142.175199][ T10] inet6_addr_add+0x30e/0xa40 [ 4142.175199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.175199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.175199][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.175199][ T10] netlink_unicast+0x449/0x710 [ 4142.175199][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.175199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.175199][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.175199][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.175199][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.175199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.175199][ T10] [ 4142.177185][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4142.177185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4142.177185][ T10] ipv6_find_idev+0x102/0x170 [ 4142.177185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.177185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.177185][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.177185][ T10] netlink_unicast+0x449/0x710 [ 4142.177185][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.177185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.177185][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.177185][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.177185][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.177185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.177185][ T10] [ 4142.178729][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4142.178729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4142.178729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4142.178729][ T10] ipv6_find_idev+0x102/0x170 [ 4142.178729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.178729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.178729][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.178729][ T10] netlink_unicast+0x449/0x710 [ 4142.178729][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.178729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.178729][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.178729][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.178729][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.178729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.178729][ T10] [ 4142.180458][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4142.180773][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4142.180773][ T10] netdev_get_by_index+0x5e/0x80 [ 4142.180773][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4142.180773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4142.180773][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4142.180773][ T10] ipv6_add_addr+0x411/0x2000 [ 4142.180773][ T10] inet6_addr_add+0x30e/0xa40 [ 4142.180773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.180773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.180773][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.180773][ T10] netlink_unicast+0x449/0x710 [ 4142.180773][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.180773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.180773][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.180773][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.180773][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.180773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.180773][ T10] [ 4142.182824][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4142.182824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4142.182824][ T10] ipv6_find_idev+0x102/0x170 [ 4142.182824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.182824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.182824][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.182824][ T10] netlink_unicast+0x449/0x710 [ 4142.182824][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.182824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.182824][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.182824][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.182824][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.182824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.182824][ T10] [ 4142.184536][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4142.184536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4142.184536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4142.184536][ T10] ipv6_find_idev+0x102/0x170 [ 4142.184536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.184536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.184536][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.184536][ T10] netlink_unicast+0x449/0x710 [ 4142.184536][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.184536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.184536][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.184536][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.184536][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.184536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.184536][ T10] [ 4142.186506][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4142.186838][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4142.186838][ T10] netdev_get_by_index+0x5e/0x80 [ 4142.186838][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4142.186838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4142.186838][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4142.186838][ T10] ipv6_add_addr+0x411/0x2000 [ 4142.186838][ T10] inet6_addr_add+0x30e/0xa40 [ 4142.186838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.186838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.186838][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.186838][ T10] netlink_unicast+0x449/0x710 [ 4142.186838][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.186838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.186838][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.186838][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.186838][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.186838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.186838][ T10] [ 4142.189015][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4142.189015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4142.189015][ T10] ipv6_find_idev+0x102/0x170 [ 4142.189015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.189015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.189015][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.189015][ T10] netlink_unicast+0x449/0x710 [ 4142.189015][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.189015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.189015][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.189015][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.189015][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.189015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.189015][ T10] [ 4142.190734][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4142.190734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4142.190734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4142.190734][ T10] ipv6_find_idev+0x102/0x170 [ 4142.190734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.190734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.190734][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.190734][ T10] netlink_unicast+0x449/0x710 [ 4142.190734][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.190734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.190734][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.190734][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.190734][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.190734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.190734][ T10] [ 4142.192630][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4142.192946][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4142.192946][ T10] netdev_get_by_index+0x5e/0x80 [ 4142.192946][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4142.192946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4142.192946][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4142.192946][ T10] ipv6_add_addr+0x411/0x2000 [ 4142.192946][ T10] inet6_addr_add+0x30e/0xa40 [ 4142.192946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4142.192946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.192946][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.192946][ T10] netlink_unicast+0x449/0x710 [ 4142.192946][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.192946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.192946][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.192946][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.192946][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.192946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.192946][ T10] [ 4142.195108][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4142.195108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4142.195108][ T10] ipv6_find_idev+0x102/0x170 [ 4142.195108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.195108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.195108][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.195108][ T10] netlink_unicast+0x449/0x710 [ 4142.195108][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.195108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.195108][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.195108][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.195108][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.195108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.195108][ T10] [ 4142.196830][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4142.196830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4142.196830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4142.196830][ T10] ipv6_find_idev+0x102/0x170 [ 4142.196830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4142.196830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4142.196830][ T10] netlink_rcv_skb+0x130/0x360 [ 4142.196830][ T10] netlink_unicast+0x449/0x710 [ 4142.196830][ T10] netlink_sendmsg+0x723/0xbe0 [ 4142.196830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4142.196830][ T10] ___sys_sendmsg+0xee/0x170 [ 4142.196830][ T10] __sys_sendmsg+0xcd/0x170 [ 4142.196830][ T10] do_syscall_64+0xc6/0x1e0 [ 4142.196830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4142.196830][ T10] [ 4152.440292][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4152.440738][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4152.440738][ T10] netdev_get_by_index+0x5e/0x80 [ 4152.440738][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4152.440738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4152.440738][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4152.440738][ T10] ipv6_add_addr+0x411/0x2000 [ 4152.440738][ T10] inet6_addr_add+0x30e/0xa40 [ 4152.440738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4152.440738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.440738][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.440738][ T10] netlink_unicast+0x449/0x710 [ 4152.440738][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.440738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.440738][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.440738][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.440738][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.440738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.440738][ T10] [ 4152.442728][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4152.442728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4152.442728][ T10] ipv6_find_idev+0x102/0x170 [ 4152.442728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.442728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.442728][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.442728][ T10] netlink_unicast+0x449/0x710 [ 4152.442728][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.442728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.442728][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.442728][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.442728][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.442728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.442728][ T10] [ 4152.444247][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4152.444247][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4152.444247][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4152.444247][ T10] ipv6_find_idev+0x102/0x170 [ 4152.444247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.444247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.444247][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.444247][ T10] netlink_unicast+0x449/0x710 [ 4152.444247][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.444247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.444247][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.444247][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.444247][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.444247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.444247][ T10] [ 4152.445922][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4152.446208][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4152.446208][ T10] netdev_get_by_index+0x5e/0x80 [ 4152.446208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4152.446208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4152.446208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4152.446208][ T10] ipv6_add_addr+0x411/0x2000 [ 4152.446208][ T10] inet6_addr_add+0x30e/0xa40 [ 4152.446208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4152.446208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.446208][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.446208][ T10] netlink_unicast+0x449/0x710 [ 4152.446208][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.446208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.446208][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.446208][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.446208][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.446208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.446208][ T10] [ 4152.448167][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4152.448167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4152.448167][ T10] ipv6_find_idev+0x102/0x170 [ 4152.448167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.448167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.448167][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.448167][ T10] netlink_unicast+0x449/0x710 [ 4152.448167][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.448167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.448167][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.448167][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.448167][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.448167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.448167][ T10] [ 4152.449688][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4152.449688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4152.449688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4152.449688][ T10] ipv6_find_idev+0x102/0x170 [ 4152.449688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.449688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.449688][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.449688][ T10] netlink_unicast+0x449/0x710 [ 4152.449688][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.449688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.449688][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.449688][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.449688][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.449688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.449688][ T10] [ 4152.451350][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4152.451606][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4152.451606][ T10] netdev_get_by_index+0x5e/0x80 [ 4152.451606][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4152.451606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4152.451606][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4152.451606][ T10] ipv6_add_addr+0x411/0x2000 [ 4152.451606][ T10] inet6_addr_add+0x30e/0xa40 [ 4152.451606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4152.451606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.451606][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.451606][ T10] netlink_unicast+0x449/0x710 [ 4152.451606][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.451606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.451606][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.451606][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.451606][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.451606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.451606][ T10] [ 4152.453566][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4152.453566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4152.453566][ T10] ipv6_find_idev+0x102/0x170 [ 4152.453566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.453566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.453566][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.453566][ T10] netlink_unicast+0x449/0x710 [ 4152.453566][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.453566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.453566][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.453566][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.453566][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.453566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.453566][ T10] [ 4152.455074][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4152.455074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4152.455074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4152.455074][ T10] ipv6_find_idev+0x102/0x170 [ 4152.455074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.455074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.455074][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.455074][ T10] netlink_unicast+0x449/0x710 [ 4152.455074][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.455074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.455074][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.455074][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.455074][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.455074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.455074][ T10] [ 4152.456751][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4152.457009][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4152.457009][ T10] netdev_get_by_index+0x5e/0x80 [ 4152.457009][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4152.457009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4152.457009][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4152.457009][ T10] ipv6_add_addr+0x411/0x2000 [ 4152.457009][ T10] inet6_addr_add+0x30e/0xa40 [ 4152.457009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4152.457009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.457009][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.457009][ T10] netlink_unicast+0x449/0x710 [ 4152.457009][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.457009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.457009][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.457009][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.457009][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.457009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.457009][ T10] [ 4152.458980][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4152.458980][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4152.458980][ T10] ipv6_find_idev+0x102/0x170 [ 4152.458980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.458980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.458980][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.458980][ T10] netlink_unicast+0x449/0x710 [ 4152.458980][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.458980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.458980][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.458980][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.458980][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.458980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.458980][ T10] [ 4152.460492][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4152.460492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4152.460492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4152.460492][ T10] ipv6_find_idev+0x102/0x170 [ 4152.460492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.460492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.460492][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.460492][ T10] netlink_unicast+0x449/0x710 [ 4152.460492][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.460492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.460492][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.460492][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.460492][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.460492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.460492][ T10] [ 4152.462537][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4152.462802][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4152.462802][ T10] netdev_get_by_index+0x5e/0x80 [ 4152.462802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4152.462802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4152.462802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4152.462802][ T10] ipv6_add_addr+0x411/0x2000 [ 4152.462802][ T10] inet6_addr_add+0x30e/0xa40 [ 4152.462802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4152.462802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.462802][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.462802][ T10] netlink_unicast+0x449/0x710 [ 4152.462802][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.462802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.462802][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.462802][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.462802][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.462802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.462802][ T10] [ 4152.464755][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4152.464755][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4152.464755][ T10] ipv6_find_idev+0x102/0x170 [ 4152.464755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.464755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.464755][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.464755][ T10] netlink_unicast+0x449/0x710 [ 4152.464755][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.464755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.464755][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.464755][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.464755][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.464755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.464755][ T10] [ 4152.466263][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4152.466263][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4152.466263][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4152.466263][ T10] ipv6_find_idev+0x102/0x170 [ 4152.466263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.466263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.466263][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.466263][ T10] netlink_unicast+0x449/0x710 [ 4152.466263][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.466263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.466263][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.466263][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.466263][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.466263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.466263][ T10] [ 4152.467957][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4152.468269][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4152.468269][ T10] netdev_get_by_index+0x5e/0x80 [ 4152.468269][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4152.468269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4152.468269][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4152.468269][ T10] ipv6_add_addr+0x411/0x2000 [ 4152.468269][ T10] inet6_addr_add+0x30e/0xa40 [ 4152.468269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4152.468269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.468269][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.468269][ T10] netlink_unicast+0x449/0x710 [ 4152.468269][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.468269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.468269][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.468269][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.468269][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.468269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.468269][ T10] [ 4152.470347][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4152.470347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4152.470347][ T10] ipv6_find_idev+0x102/0x170 [ 4152.470347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.470347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.470347][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.470347][ T10] netlink_unicast+0x449/0x710 [ 4152.470347][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.470347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.470347][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.470347][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.470347][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.470347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.470347][ T10] [ 4152.472040][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4152.472040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4152.472040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4152.472040][ T10] ipv6_find_idev+0x102/0x170 [ 4152.472040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.472040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.472040][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.472040][ T10] netlink_unicast+0x449/0x710 [ 4152.472040][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.472040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.472040][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.472040][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.472040][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.472040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.472040][ T10] [ 4152.473924][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4152.474232][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4152.474232][ T10] netdev_get_by_index+0x5e/0x80 [ 4152.474232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4152.474232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4152.474232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4152.474232][ T10] ipv6_add_addr+0x411/0x2000 [ 4152.474232][ T10] inet6_addr_add+0x30e/0xa40 [ 4152.474232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4152.474232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.474232][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.474232][ T10] netlink_unicast+0x449/0x710 [ 4152.474232][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.474232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.474232][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.474232][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.474232][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.474232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.474232][ T10] [ 4152.476431][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4152.476431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4152.476431][ T10] ipv6_find_idev+0x102/0x170 [ 4152.476431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.476431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.476431][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.476431][ T10] netlink_unicast+0x449/0x710 [ 4152.476431][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.476431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.476431][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.476431][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.476431][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.476431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.476431][ T10] [ 4152.478114][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4152.478114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4152.478114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4152.478114][ T10] ipv6_find_idev+0x102/0x170 [ 4152.478114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.478114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.478114][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.478114][ T10] netlink_unicast+0x449/0x710 [ 4152.478114][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.478114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.478114][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.478114][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.478114][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.478114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.478114][ T10] [ 4152.480037][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4152.480360][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4152.480360][ T10] netdev_get_by_index+0x5e/0x80 [ 4152.480360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4152.480360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4152.480360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4152.480360][ T10] ipv6_add_addr+0x411/0x2000 [ 4152.480360][ T10] inet6_addr_add+0x30e/0xa40 [ 4152.480360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4152.480360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.480360][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.480360][ T10] netlink_unicast+0x449/0x710 [ 4152.480360][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.480360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.480360][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.480360][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.480360][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.480360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.480360][ T10] [ 4152.482495][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4152.482495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4152.482495][ T10] ipv6_find_idev+0x102/0x170 [ 4152.482495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.482495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.482495][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.482495][ T10] netlink_unicast+0x449/0x710 [ 4152.482495][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.482495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.482495][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.482495][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.482495][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.482495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.482495][ T10] [ 4152.484194][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4152.484194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4152.484194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4152.484194][ T10] ipv6_find_idev+0x102/0x170 [ 4152.484194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4152.484194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4152.484194][ T10] netlink_rcv_skb+0x130/0x360 [ 4152.484194][ T10] netlink_unicast+0x449/0x710 [ 4152.484194][ T10] netlink_sendmsg+0x723/0xbe0 [ 4152.484194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4152.484194][ T10] ___sys_sendmsg+0xee/0x170 [ 4152.484194][ T10] __sys_sendmsg+0xcd/0x170 [ 4152.484194][ T10] do_syscall_64+0xc6/0x1e0 [ 4152.484194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4152.484194][ T10] [ 4162.728230][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4162.728677][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4162.728677][ T10] netdev_get_by_index+0x5e/0x80 [ 4162.728677][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4162.728677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4162.728677][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4162.728677][ T10] ipv6_add_addr+0x411/0x2000 [ 4162.728677][ T10] inet6_addr_add+0x30e/0xa40 [ 4162.728677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4162.728677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.728677][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.728677][ T10] netlink_unicast+0x449/0x710 [ 4162.728677][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.728677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.728677][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.728677][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.728677][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.728677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.728677][ T10] [ 4162.730650][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4162.730650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4162.730650][ T10] ipv6_find_idev+0x102/0x170 [ 4162.730650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.730650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.730650][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.730650][ T10] netlink_unicast+0x449/0x710 [ 4162.730650][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.730650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.730650][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.730650][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.730650][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.730650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.730650][ T10] [ 4162.732168][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4162.732168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4162.732168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4162.732168][ T10] ipv6_find_idev+0x102/0x170 [ 4162.732168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.732168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.732168][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.732168][ T10] netlink_unicast+0x449/0x710 [ 4162.732168][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.732168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.732168][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.732168][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.732168][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.732168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.732168][ T10] [ 4162.733834][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4162.734109][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4162.734109][ T10] netdev_get_by_index+0x5e/0x80 [ 4162.734109][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4162.734109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4162.734109][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4162.734109][ T10] ipv6_add_addr+0x411/0x2000 [ 4162.734109][ T10] inet6_addr_add+0x30e/0xa40 [ 4162.734109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4162.734109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.734109][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.734109][ T10] netlink_unicast+0x449/0x710 [ 4162.734109][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.734109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.734109][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.734109][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.734109][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.734109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.734109][ T10] [ 4162.736071][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4162.736071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4162.736071][ T10] ipv6_find_idev+0x102/0x170 [ 4162.736071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.736071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.736071][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.736071][ T10] netlink_unicast+0x449/0x710 [ 4162.736071][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.736071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.736071][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.736071][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.736071][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.736071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.736071][ T10] [ 4162.737585][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4162.737585][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4162.737585][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4162.737585][ T10] ipv6_find_idev+0x102/0x170 [ 4162.737585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.737585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.737585][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.737585][ T10] netlink_unicast+0x449/0x710 [ 4162.737585][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.737585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.737585][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.737585][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.737585][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.737585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.737585][ T10] [ 4162.739251][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4162.739518][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4162.739518][ T10] netdev_get_by_index+0x5e/0x80 [ 4162.739518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4162.739518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4162.739518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4162.739518][ T10] ipv6_add_addr+0x411/0x2000 [ 4162.739518][ T10] inet6_addr_add+0x30e/0xa40 [ 4162.739518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4162.739518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.739518][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.739518][ T10] netlink_unicast+0x449/0x710 [ 4162.739518][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.739518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.739518][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.739518][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.739518][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.739518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.739518][ T10] [ 4162.741477][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4162.741477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4162.741477][ T10] ipv6_find_idev+0x102/0x170 [ 4162.741477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.741477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.741477][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.741477][ T10] netlink_unicast+0x449/0x710 [ 4162.741477][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.741477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.741477][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.741477][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.741477][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.741477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.741477][ T10] [ 4162.742988][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4162.742988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4162.742988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4162.742988][ T10] ipv6_find_idev+0x102/0x170 [ 4162.742988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.742988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.742988][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.742988][ T10] netlink_unicast+0x449/0x710 [ 4162.742988][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.742988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.742988][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.742988][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.742988][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.742988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.742988][ T10] [ 4162.744651][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4162.744913][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4162.744913][ T10] netdev_get_by_index+0x5e/0x80 [ 4162.744913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4162.744913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4162.744913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4162.744913][ T10] ipv6_add_addr+0x411/0x2000 [ 4162.744913][ T10] inet6_addr_add+0x30e/0xa40 [ 4162.744913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4162.744913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.744913][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.744913][ T10] netlink_unicast+0x449/0x710 [ 4162.744913][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.744913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.744913][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.744913][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.744913][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.744913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.744913][ T10] [ 4162.746884][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4162.746884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4162.746884][ T10] ipv6_find_idev+0x102/0x170 [ 4162.746884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.746884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.746884][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.746884][ T10] netlink_unicast+0x449/0x710 [ 4162.746884][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.746884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.746884][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.746884][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.746884][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.746884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.746884][ T10] [ 4162.748420][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4162.748420][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4162.748420][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4162.748420][ T10] ipv6_find_idev+0x102/0x170 [ 4162.748420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.748420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.748420][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.748420][ T10] netlink_unicast+0x449/0x710 [ 4162.748420][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.748420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.748420][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.748420][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.748420][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.748420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.748420][ T10] [ 4162.750072][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4162.750403][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4162.750403][ T10] netdev_get_by_index+0x5e/0x80 [ 4162.750403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4162.750403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4162.750403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4162.750403][ T10] ipv6_add_addr+0x411/0x2000 [ 4162.750403][ T10] inet6_addr_add+0x30e/0xa40 [ 4162.750403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4162.750403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.750403][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.750403][ T10] netlink_unicast+0x449/0x710 [ 4162.750403][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.750403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.750403][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.750403][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.750403][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.750403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.750403][ T10] [ 4162.752363][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4162.752363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4162.752363][ T10] ipv6_find_idev+0x102/0x170 [ 4162.752363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.752363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.752363][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.752363][ T10] netlink_unicast+0x449/0x710 [ 4162.752363][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.752363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.752363][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.752363][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.752363][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.752363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.752363][ T10] [ 4162.754389][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4162.754389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4162.754389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4162.754389][ T10] ipv6_find_idev+0x102/0x170 [ 4162.754389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.754389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.754389][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.754389][ T10] netlink_unicast+0x449/0x710 [ 4162.754389][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.754389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.754389][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.754389][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.754389][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.754389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.754389][ T10] [ 4162.756278][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4162.756557][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4162.756557][ T10] netdev_get_by_index+0x5e/0x80 [ 4162.756557][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4162.756557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4162.756557][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4162.756557][ T10] ipv6_add_addr+0x411/0x2000 [ 4162.756557][ T10] inet6_addr_add+0x30e/0xa40 [ 4162.756557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4162.756557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.756557][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.756557][ T10] netlink_unicast+0x449/0x710 [ 4162.756557][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.756557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.756557][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.756557][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.756557][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.756557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.756557][ T10] [ 4162.758825][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4162.758825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4162.758825][ T10] ipv6_find_idev+0x102/0x170 [ 4162.758825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.758825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.758825][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.758825][ T10] netlink_unicast+0x449/0x710 [ 4162.758825][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.758825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.758825][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.758825][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.758825][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.758825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.758825][ T10] [ 4162.760513][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4162.760513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4162.760513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4162.760513][ T10] ipv6_find_idev+0x102/0x170 [ 4162.760513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.760513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.760513][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.760513][ T10] netlink_unicast+0x449/0x710 [ 4162.760513][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.760513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.760513][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.760513][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.760513][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.760513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.760513][ T10] [ 4162.762390][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4162.762651][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4162.762651][ T10] netdev_get_by_index+0x5e/0x80 [ 4162.762651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4162.762651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4162.762651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4162.762651][ T10] ipv6_add_addr+0x411/0x2000 [ 4162.762651][ T10] inet6_addr_add+0x30e/0xa40 [ 4162.762651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4162.762651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.762651][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.762651][ T10] netlink_unicast+0x449/0x710 [ 4162.762651][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.762651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.762651][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.762651][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.762651][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.762651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.762651][ T10] [ 4162.764810][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4162.764810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4162.764810][ T10] ipv6_find_idev+0x102/0x170 [ 4162.764810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.764810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.764810][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.764810][ T10] netlink_unicast+0x449/0x710 [ 4162.764810][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.764810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.764810][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.764810][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.764810][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.764810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.764810][ T10] [ 4162.766563][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4162.766563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4162.766563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4162.766563][ T10] ipv6_find_idev+0x102/0x170 [ 4162.766563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.766563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.766563][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.766563][ T10] netlink_unicast+0x449/0x710 [ 4162.766563][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.766563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.766563][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.766563][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.766563][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.766563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.766563][ T10] [ 4162.768433][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4162.768698][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4162.768698][ T10] netdev_get_by_index+0x5e/0x80 [ 4162.768698][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4162.768698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4162.768698][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4162.768698][ T10] ipv6_add_addr+0x411/0x2000 [ 4162.768698][ T10] inet6_addr_add+0x30e/0xa40 [ 4162.768698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4162.768698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.768698][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.768698][ T10] netlink_unicast+0x449/0x710 [ 4162.768698][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.768698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.768698][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.768698][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.768698][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.768698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.768698][ T10] [ 4162.770835][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4162.770835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4162.770835][ T10] ipv6_find_idev+0x102/0x170 [ 4162.770835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.770835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.770835][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.770835][ T10] netlink_unicast+0x449/0x710 [ 4162.770835][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.770835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.770835][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.770835][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.770835][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.770835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.770835][ T10] [ 4162.772524][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4162.772524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4162.772524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4162.772524][ T10] ipv6_find_idev+0x102/0x170 [ 4162.772524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4162.772524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4162.772524][ T10] netlink_rcv_skb+0x130/0x360 [ 4162.772524][ T10] netlink_unicast+0x449/0x710 [ 4162.772524][ T10] netlink_sendmsg+0x723/0xbe0 [ 4162.772524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4162.772524][ T10] ___sys_sendmsg+0xee/0x170 [ 4162.772524][ T10] __sys_sendmsg+0xcd/0x170 [ 4162.772524][ T10] do_syscall_64+0xc6/0x1e0 [ 4162.772524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4162.772524][ T10] [ 4173.016248][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4173.016695][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4173.016695][ T10] netdev_get_by_index+0x5e/0x80 [ 4173.016695][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4173.016695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4173.016695][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4173.016695][ T10] ipv6_add_addr+0x411/0x2000 [ 4173.016695][ T10] inet6_addr_add+0x30e/0xa40 [ 4173.016695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.016695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.016695][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.016695][ T10] netlink_unicast+0x449/0x710 [ 4173.016695][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.016695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.016695][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.016695][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.016695][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.016695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.016695][ T10] [ 4173.018677][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4173.018677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4173.018677][ T10] ipv6_find_idev+0x102/0x170 [ 4173.018677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.018677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.018677][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.018677][ T10] netlink_unicast+0x449/0x710 [ 4173.018677][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.018677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.018677][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.018677][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.018677][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.018677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.018677][ T10] [ 4173.020199][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4173.020199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4173.020199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4173.020199][ T10] ipv6_find_idev+0x102/0x170 [ 4173.020199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.020199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.020199][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.020199][ T10] netlink_unicast+0x449/0x710 [ 4173.020199][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.020199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.020199][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.020199][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.020199][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.020199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.020199][ T10] [ 4173.021862][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4173.022154][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4173.022154][ T10] netdev_get_by_index+0x5e/0x80 [ 4173.022154][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4173.022154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4173.022154][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4173.022154][ T10] ipv6_add_addr+0x411/0x2000 [ 4173.022154][ T10] inet6_addr_add+0x30e/0xa40 [ 4173.022154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.022154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.022154][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.022154][ T10] netlink_unicast+0x449/0x710 [ 4173.022154][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.022154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.022154][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.022154][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.022154][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.022154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.022154][ T10] [ 4173.024128][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4173.024128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4173.024128][ T10] ipv6_find_idev+0x102/0x170 [ 4173.024128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.024128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.024128][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.024128][ T10] netlink_unicast+0x449/0x710 [ 4173.024128][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.024128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.024128][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.024128][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.024128][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.024128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.024128][ T10] [ 4173.025651][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4173.025651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4173.025651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4173.025651][ T10] ipv6_find_idev+0x102/0x170 [ 4173.025651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.025651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.025651][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.025651][ T10] netlink_unicast+0x449/0x710 [ 4173.025651][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.025651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.025651][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.025651][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.025651][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.025651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.025651][ T10] [ 4173.027312][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4173.027577][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4173.027577][ T10] netdev_get_by_index+0x5e/0x80 [ 4173.027577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4173.027577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4173.027577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4173.027577][ T10] ipv6_add_addr+0x411/0x2000 [ 4173.027577][ T10] inet6_addr_add+0x30e/0xa40 [ 4173.027577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.027577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.027577][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.027577][ T10] netlink_unicast+0x449/0x710 [ 4173.027577][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.027577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.027577][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.027577][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.027577][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.027577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.027577][ T10] [ 4173.029552][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4173.029552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4173.029552][ T10] ipv6_find_idev+0x102/0x170 [ 4173.029552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.029552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.029552][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.029552][ T10] netlink_unicast+0x449/0x710 [ 4173.029552][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.029552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.029552][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.029552][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.029552][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.029552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.029552][ T10] [ 4173.031061][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4173.031061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4173.031061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4173.031061][ T10] ipv6_find_idev+0x102/0x170 [ 4173.031061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.031061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.031061][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.031061][ T10] netlink_unicast+0x449/0x710 [ 4173.031061][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.031061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.031061][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.031061][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.031061][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.031061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.031061][ T10] [ 4173.032725][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4173.033003][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4173.033003][ T10] netdev_get_by_index+0x5e/0x80 [ 4173.033003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4173.033003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4173.033003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4173.033003][ T10] ipv6_add_addr+0x411/0x2000 [ 4173.033003][ T10] inet6_addr_add+0x30e/0xa40 [ 4173.033003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.033003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.033003][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.033003][ T10] netlink_unicast+0x449/0x710 [ 4173.033003][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.033003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.033003][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.033003][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.033003][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.033003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.033003][ T10] [ 4173.034971][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4173.034971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4173.034971][ T10] ipv6_find_idev+0x102/0x170 [ 4173.034971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.034971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.034971][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.034971][ T10] netlink_unicast+0x449/0x710 [ 4173.034971][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.034971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.034971][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.034971][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.034971][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.034971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.034971][ T10] [ 4173.036513][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4173.036513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4173.036513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4173.036513][ T10] ipv6_find_idev+0x102/0x170 [ 4173.036513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.036513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.036513][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.036513][ T10] netlink_unicast+0x449/0x710 [ 4173.036513][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.036513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.036513][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.036513][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.036513][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.036513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.036513][ T10] [ 4173.038228][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4173.038486][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4173.038486][ T10] netdev_get_by_index+0x5e/0x80 [ 4173.038486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4173.038486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4173.038486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4173.038486][ T10] ipv6_add_addr+0x411/0x2000 [ 4173.038486][ T10] inet6_addr_add+0x30e/0xa40 [ 4173.038486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.038486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.038486][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.038486][ T10] netlink_unicast+0x449/0x710 [ 4173.038486][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.038486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.038486][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.038486][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.038486][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.038486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.038486][ T10] [ 4173.040455][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4173.040455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4173.040455][ T10] ipv6_find_idev+0x102/0x170 [ 4173.040455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.040455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.040455][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.040455][ T10] netlink_unicast+0x449/0x710 [ 4173.040455][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.040455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.040455][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.040455][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.040455][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.040455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.040455][ T10] [ 4173.041972][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4173.041972][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4173.041972][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4173.041972][ T10] ipv6_find_idev+0x102/0x170 [ 4173.041972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.041972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.041972][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.041972][ T10] netlink_unicast+0x449/0x710 [ 4173.041972][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.041972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.041972][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.041972][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.041972][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.041972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.041972][ T10] [ 4173.043920][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4173.044233][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4173.044233][ T10] netdev_get_by_index+0x5e/0x80 [ 4173.044233][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4173.044233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4173.044233][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4173.044233][ T10] ipv6_add_addr+0x411/0x2000 [ 4173.044233][ T10] inet6_addr_add+0x30e/0xa40 [ 4173.044233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.044233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.044233][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.044233][ T10] netlink_unicast+0x449/0x710 [ 4173.044233][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.044233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.044233][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.044233][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.044233][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.044233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.044233][ T10] [ 4173.046384][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4173.046384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4173.046384][ T10] ipv6_find_idev+0x102/0x170 [ 4173.046384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.046384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.046384][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.046384][ T10] netlink_unicast+0x449/0x710 [ 4173.046384][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.046384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.046384][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.046384][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.046384][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.046384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.046384][ T10] [ 4173.048068][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4173.048068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4173.048068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4173.048068][ T10] ipv6_find_idev+0x102/0x170 [ 4173.048068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.048068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.048068][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.048068][ T10] netlink_unicast+0x449/0x710 [ 4173.048068][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.048068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.048068][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.048068][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.048068][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.048068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.048068][ T10] [ 4173.049940][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4173.050262][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4173.050262][ T10] netdev_get_by_index+0x5e/0x80 [ 4173.050262][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4173.050262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4173.050262][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4173.050262][ T10] ipv6_add_addr+0x411/0x2000 [ 4173.050262][ T10] inet6_addr_add+0x30e/0xa40 [ 4173.050262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.050262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.050262][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.050262][ T10] netlink_unicast+0x449/0x710 [ 4173.050262][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.050262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.050262][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.050262][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.050262][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.050262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.050262][ T10] [ 4173.052343][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4173.052343][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4173.052343][ T10] ipv6_find_idev+0x102/0x170 [ 4173.052343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.052343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.052343][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.052343][ T10] netlink_unicast+0x449/0x710 [ 4173.052343][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.052343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.052343][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.052343][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.052343][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.052343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.052343][ T10] [ 4173.054038][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4173.054038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4173.054038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4173.054038][ T10] ipv6_find_idev+0x102/0x170 [ 4173.054038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.054038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.054038][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.054038][ T10] netlink_unicast+0x449/0x710 [ 4173.054038][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.054038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.054038][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.054038][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.054038][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.054038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.054038][ T10] [ 4173.056052][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4173.056368][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4173.056368][ T10] netdev_get_by_index+0x5e/0x80 [ 4173.056368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4173.056368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4173.056368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4173.056368][ T10] ipv6_add_addr+0x411/0x2000 [ 4173.056368][ T10] inet6_addr_add+0x30e/0xa40 [ 4173.056368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.056368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.056368][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.056368][ T10] netlink_unicast+0x449/0x710 [ 4173.056368][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.056368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.056368][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.056368][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.056368][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.056368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.056368][ T10] [ 4173.058510][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4173.058510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4173.058510][ T10] ipv6_find_idev+0x102/0x170 [ 4173.058510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.058510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.058510][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.058510][ T10] netlink_unicast+0x449/0x710 [ 4173.058510][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.058510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.058510][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.058510][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.058510][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.058510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.058510][ T10] [ 4173.060196][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4173.060196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4173.060196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4173.060196][ T10] ipv6_find_idev+0x102/0x170 [ 4173.060196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.060196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.060196][ T10] netlink_rcv_skb+0x130/0x360 [ 4173.060196][ T10] netlink_unicast+0x449/0x710 [ 4173.060196][ T10] netlink_sendmsg+0x723/0xbe0 [ 4173.060196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4173.060196][ T10] ___sys_sendmsg+0xee/0x170 [ 4173.060196][ T10] __sys_sendmsg+0xcd/0x170 [ 4173.060196][ T10] do_syscall_64+0xc6/0x1e0 [ 4173.060196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.060196][ T10] [ 4179.320306][ T42] INFO: task modprobe:14771 blocked for more than 1106 seconds. [ 4179.320651][ T42] Not tainted 6.8.0-virtme #1 [ 4179.320768][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4179.320965][ T42] task:modprobe state:D stack:25856 pid:14771 tgid:14771 ppid:36 flags:0x00004002 [ 4179.321270][ T42] Call Trace: [ 4179.321371][ T42] [ 4179.321441][ T42] __schedule+0x705/0x1ac0 [ 4179.321577][ T42] ? __pfx___schedule+0x10/0x10 [ 4179.321700][ T42] ? schedule+0x1a5/0x210 [ 4179.321795][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 4179.321923][ T42] ? mark_lock+0x38/0x3e0 [ 4179.322016][ T42] ? do_raw_spin_lock+0x131/0x270 [ 4179.322156][ T42] ? schedule+0x1a5/0x210 [ 4179.322256][ T42] schedule+0xdf/0x210 [ 4179.322356][ T42] schedule_preempt_disabled+0x15/0x30 [ 4179.322477][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 4179.322605][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 4179.322761][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 4179.322890][ T42] ? lock_acquire+0x1c1/0x220 [ 4179.323010][ T42] ? register_pernet_subsys+0x1a/0x50 [ 4179.323159][ T42] down_write+0x1c9/0x200 [ 4179.323253][ T42] ? __pfx_down_write+0x10/0x10 [ 4179.323380][ T42] ? __lock_release+0x103/0x460 [ 4179.323501][ T42] ? __create_object+0x5e/0xb0 [ 4179.323625][ T42] ? __pfx___lock_release+0x10/0x10 [ 4179.323750][ T42] register_pernet_subsys+0x1a/0x50 [ 4179.323877][ T42] tcf_register_action+0xa3/0x600 [ 4179.324001][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 4179.324169][ T42] do_one_initcall+0xc8/0x3f0 [ 4179.324293][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 4179.324423][ T42] ? __create_object+0x5e/0xb0 [ 4179.324548][ T42] ? kasan_unpoison+0x27/0x60 [ 4179.324677][ T42] do_init_module+0x233/0x740 [ 4179.324809][ T42] load_module+0x16b5/0x2350 [ 4179.324944][ T42] ? __pfx_load_module+0x10/0x10 [ 4179.325067][ T42] ? kernel_read_file+0x3d2/0x520 [ 4179.325223][ T42] ? kernel_read_file+0x300/0x520 [ 4179.325361][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 4179.325492][ T42] ? init_module_from_file+0xd2/0x130 [ 4179.325620][ T42] init_module_from_file+0xd2/0x130 [ 4179.325743][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 4179.325894][ T42] ? __lock_release+0x103/0x460 [ 4179.326015][ T42] ? idempotent_init_module+0x32a/0x620 [ 4179.326157][ T42] ? idempotent_init_module+0x32a/0x620 [ 4179.326280][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 4179.326412][ T42] idempotent_init_module+0x342/0x620 [ 4179.326539][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 4179.326710][ T42] __x64_sys_finit_module+0xbe/0x130 [ 4179.326834][ T42] do_syscall_64+0xc6/0x1e0 [ 4179.326959][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4179.327125][ T42] RIP: 0033:0x7f9f7563de5d [ 4179.327254][ T42] RSP: 002b:00007ffe3a6850f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 4179.327438][ T42] RAX: ffffffffffffffda RBX: 0000558501133c00 RCX: 00007f9f7563de5d [ 4179.327622][ T42] RDX: 0000000000000000 RSI: 00005584c204fa2a RDI: 0000000000000000 [ 4179.327802][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe3a685230 [ 4179.327985][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584c204fa2a [ 4179.328171][ T42] R13: 0000558501133b10 R14: 0000558501133f40 R15: 0000558501133c72 [ 4179.328367][ T42] [ 4179.328459][ T42] [ 4179.328459][ T42] Showing all locks held in the system: [ 4179.328632][ T42] 3 locks held by kworker/u16:0/10: [ 4179.328754][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 4179.329000][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 4179.329232][ T42] #2: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 4179.329464][ T42] 2 locks held by kworker/u17:0/36: [ 4179.329580][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 4179.329825][ T42] #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 4179.330108][ T42] 1 lock held by khungtaskd/42: [ 4179.330229][ T42] #0: ffffffff96f69160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 4179.330454][ T42] 1 lock held by modprobe/14771: [ 4179.330570][ T42] #0: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 4179.330813][ T42] [ 4179.330875][ T42] ============================================= [ 4179.330875][ T42] [ 4183.080246][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4183.080709][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4183.080709][ T10] netdev_get_by_index+0x5e/0x80 [ 4183.080709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4183.080709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4183.080709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4183.080709][ T10] ipv6_add_addr+0x411/0x2000 [ 4183.080709][ T10] inet6_addr_add+0x30e/0xa40 [ 4183.080709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.080709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.080709][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.080709][ T10] netlink_unicast+0x449/0x710 [ 4183.080709][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.080709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.080709][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.080709][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.080709][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.080709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.080709][ T10] [ 4183.082851][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4183.082851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4183.082851][ T10] ipv6_find_idev+0x102/0x170 [ 4183.082851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.082851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.082851][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.082851][ T10] netlink_unicast+0x449/0x710 [ 4183.082851][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.082851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.082851][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.082851][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.082851][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.082851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.082851][ T10] [ 4183.084380][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4183.084380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4183.084380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4183.084380][ T10] ipv6_find_idev+0x102/0x170 [ 4183.084380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.084380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.084380][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.084380][ T10] netlink_unicast+0x449/0x710 [ 4183.084380][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.084380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.084380][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.084380][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.084380][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.084380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.084380][ T10] [ 4183.086126][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4183.086401][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4183.086401][ T10] netdev_get_by_index+0x5e/0x80 [ 4183.086401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4183.086401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4183.086401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4183.086401][ T10] ipv6_add_addr+0x411/0x2000 [ 4183.086401][ T10] inet6_addr_add+0x30e/0xa40 [ 4183.086401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.086401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.086401][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.086401][ T10] netlink_unicast+0x449/0x710 [ 4183.086401][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.086401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.086401][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.086401][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.086401][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.086401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.086401][ T10] [ 4183.088392][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4183.088392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4183.088392][ T10] ipv6_find_idev+0x102/0x170 [ 4183.088392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.088392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.088392][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.088392][ T10] netlink_unicast+0x449/0x710 [ 4183.088392][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.088392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.088392][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.088392][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.088392][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.088392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.088392][ T10] [ 4183.089923][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4183.089923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4183.089923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4183.089923][ T10] ipv6_find_idev+0x102/0x170 [ 4183.089923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.089923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.089923][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.089923][ T10] netlink_unicast+0x449/0x710 [ 4183.089923][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.089923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.089923][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.089923][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.089923][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.089923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.089923][ T10] [ 4183.091619][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4183.091889][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4183.091889][ T10] netdev_get_by_index+0x5e/0x80 [ 4183.091889][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4183.091889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4183.091889][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4183.091889][ T10] ipv6_add_addr+0x411/0x2000 [ 4183.091889][ T10] inet6_addr_add+0x30e/0xa40 [ 4183.091889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.091889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.091889][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.091889][ T10] netlink_unicast+0x449/0x710 [ 4183.091889][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.091889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.091889][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.091889][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.091889][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.091889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.091889][ T10] [ 4183.093894][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4183.093894][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4183.093894][ T10] ipv6_find_idev+0x102/0x170 [ 4183.093894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.093894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.093894][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.093894][ T10] netlink_unicast+0x449/0x710 [ 4183.093894][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.093894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.093894][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.093894][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.093894][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.093894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.093894][ T10] [ 4183.095440][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4183.095440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4183.095440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4183.095440][ T10] ipv6_find_idev+0x102/0x170 [ 4183.095440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.095440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.095440][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.095440][ T10] netlink_unicast+0x449/0x710 [ 4183.095440][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.095440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.095440][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.095440][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.095440][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.095440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.095440][ T10] [ 4183.097123][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4183.097395][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4183.097395][ T10] netdev_get_by_index+0x5e/0x80 [ 4183.097395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4183.097395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4183.097395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4183.097395][ T10] ipv6_add_addr+0x411/0x2000 [ 4183.097395][ T10] inet6_addr_add+0x30e/0xa40 [ 4183.097395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.097395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.097395][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.097395][ T10] netlink_unicast+0x449/0x710 [ 4183.097395][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.097395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.097395][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.097395][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.097395][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.097395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.097395][ T10] [ 4183.099379][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4183.099379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4183.099379][ T10] ipv6_find_idev+0x102/0x170 [ 4183.099379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.099379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.099379][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.099379][ T10] netlink_unicast+0x449/0x710 [ 4183.099379][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.099379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.099379][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.099379][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.099379][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.099379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.099379][ T10] [ 4183.100924][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4183.100924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4183.100924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4183.100924][ T10] ipv6_find_idev+0x102/0x170 [ 4183.100924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.100924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.100924][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.100924][ T10] netlink_unicast+0x449/0x710 [ 4183.100924][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.100924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.100924][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.100924][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.100924][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.100924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.100924][ T10] [ 4183.102997][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4183.103597][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4183.103597][ T10] netdev_get_by_index+0x5e/0x80 [ 4183.103597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4183.103597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4183.103597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4183.103597][ T10] ipv6_add_addr+0x411/0x2000 [ 4183.103597][ T10] inet6_addr_add+0x30e/0xa40 [ 4183.103597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.103597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.103597][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.103597][ T10] netlink_unicast+0x449/0x710 [ 4183.103597][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.103597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.103597][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.103597][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.103597][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.103597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.103597][ T10] [ 4183.105635][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4183.105635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4183.105635][ T10] ipv6_find_idev+0x102/0x170 [ 4183.105635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.105635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.105635][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.105635][ T10] netlink_unicast+0x449/0x710 [ 4183.105635][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.105635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.105635][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.105635][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.105635][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.105635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.105635][ T10] [ 4183.107172][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4183.107172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4183.107172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4183.107172][ T10] ipv6_find_idev+0x102/0x170 [ 4183.107172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.107172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.107172][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.107172][ T10] netlink_unicast+0x449/0x710 [ 4183.107172][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.107172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.107172][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.107172][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.107172][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.107172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.107172][ T10] [ 4183.108980][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4183.109310][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4183.109310][ T10] netdev_get_by_index+0x5e/0x80 [ 4183.109310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4183.109310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4183.109310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4183.109310][ T10] ipv6_add_addr+0x411/0x2000 [ 4183.109310][ T10] inet6_addr_add+0x30e/0xa40 [ 4183.109310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.109310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.109310][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.109310][ T10] netlink_unicast+0x449/0x710 [ 4183.109310][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.109310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.109310][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.109310][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.109310][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.109310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.109310][ T10] [ 4183.111296][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4183.111296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4183.111296][ T10] ipv6_find_idev+0x102/0x170 [ 4183.111296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.111296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.111296][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.111296][ T10] netlink_unicast+0x449/0x710 [ 4183.111296][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.111296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.111296][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.111296][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.111296][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.111296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.111296][ T10] [ 4183.112858][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4183.112858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4183.112858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4183.112858][ T10] ipv6_find_idev+0x102/0x170 [ 4183.112858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.112858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.112858][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.112858][ T10] netlink_unicast+0x449/0x710 [ 4183.112858][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.112858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.112858][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.112858][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.112858][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.112858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.112858][ T10] [ 4183.114930][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4183.115248][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4183.115248][ T10] netdev_get_by_index+0x5e/0x80 [ 4183.115248][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4183.115248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4183.115248][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4183.115248][ T10] ipv6_add_addr+0x411/0x2000 [ 4183.115248][ T10] inet6_addr_add+0x30e/0xa40 [ 4183.115248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.115248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.115248][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.115248][ T10] netlink_unicast+0x449/0x710 [ 4183.115248][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.115248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.115248][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.115248][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.115248][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.115248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.115248][ T10] [ 4183.117423][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4183.117423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4183.117423][ T10] ipv6_find_idev+0x102/0x170 [ 4183.117423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.117423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.117423][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.117423][ T10] netlink_unicast+0x449/0x710 [ 4183.117423][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.117423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.117423][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.117423][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.117423][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.117423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.117423][ T10] [ 4183.119251][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4183.119251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4183.119251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4183.119251][ T10] ipv6_find_idev+0x102/0x170 [ 4183.119251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.119251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.119251][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.119251][ T10] netlink_unicast+0x449/0x710 [ 4183.119251][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.119251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.119251][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.119251][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.119251][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.119251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.119251][ T10] [ 4183.121160][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4183.121475][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4183.121475][ T10] netdev_get_by_index+0x5e/0x80 [ 4183.121475][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4183.121475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4183.121475][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4183.121475][ T10] ipv6_add_addr+0x411/0x2000 [ 4183.121475][ T10] inet6_addr_add+0x30e/0xa40 [ 4183.121475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4183.121475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.121475][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.121475][ T10] netlink_unicast+0x449/0x710 [ 4183.121475][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.121475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.121475][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.121475][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.121475][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.121475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.121475][ T10] [ 4183.123666][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4183.123666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4183.123666][ T10] ipv6_find_idev+0x102/0x170 [ 4183.123666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.123666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.123666][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.123666][ T10] netlink_unicast+0x449/0x710 [ 4183.123666][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.123666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.123666][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.123666][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.123666][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.123666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.123666][ T10] [ 4183.125390][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4183.125390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4183.125390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4183.125390][ T10] ipv6_find_idev+0x102/0x170 [ 4183.125390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4183.125390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4183.125390][ T10] netlink_rcv_skb+0x130/0x360 [ 4183.125390][ T10] netlink_unicast+0x449/0x710 [ 4183.125390][ T10] netlink_sendmsg+0x723/0xbe0 [ 4183.125390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4183.125390][ T10] ___sys_sendmsg+0xee/0x170 [ 4183.125390][ T10] __sys_sendmsg+0xcd/0x170 [ 4183.125390][ T10] do_syscall_64+0xc6/0x1e0 [ 4183.125390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4183.125390][ T10] [ 4193.128225][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4193.128653][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4193.128653][ T10] netdev_get_by_index+0x5e/0x80 [ 4193.128653][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4193.128653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4193.128653][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4193.128653][ T10] ipv6_add_addr+0x411/0x2000 [ 4193.128653][ T10] inet6_addr_add+0x30e/0xa40 [ 4193.128653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4193.128653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.128653][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.128653][ T10] netlink_unicast+0x449/0x710 [ 4193.128653][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.128653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.128653][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.128653][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.128653][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.128653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.128653][ T10] [ 4193.130653][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4193.130653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4193.130653][ T10] ipv6_find_idev+0x102/0x170 [ 4193.130653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.130653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.130653][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.130653][ T10] netlink_unicast+0x449/0x710 [ 4193.130653][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.130653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.130653][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.130653][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.130653][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.130653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.130653][ T10] [ 4193.132171][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4193.132171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4193.132171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4193.132171][ T10] ipv6_find_idev+0x102/0x170 [ 4193.132171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.132171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.132171][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.132171][ T10] netlink_unicast+0x449/0x710 [ 4193.132171][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.132171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.132171][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.132171][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.132171][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.132171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.132171][ T10] [ 4193.133837][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4193.134117][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4193.134117][ T10] netdev_get_by_index+0x5e/0x80 [ 4193.134117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4193.134117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4193.134117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4193.134117][ T10] ipv6_add_addr+0x411/0x2000 [ 4193.134117][ T10] inet6_addr_add+0x30e/0xa40 [ 4193.134117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4193.134117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.134117][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.134117][ T10] netlink_unicast+0x449/0x710 [ 4193.134117][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.134117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.134117][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.134117][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.134117][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.134117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.134117][ T10] [ 4193.136103][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4193.136103][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4193.136103][ T10] ipv6_find_idev+0x102/0x170 [ 4193.136103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.136103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.136103][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.136103][ T10] netlink_unicast+0x449/0x710 [ 4193.136103][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.136103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.136103][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.136103][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.136103][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.136103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.136103][ T10] [ 4193.137616][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4193.137616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4193.137616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4193.137616][ T10] ipv6_find_idev+0x102/0x170 [ 4193.137616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.137616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.137616][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.137616][ T10] netlink_unicast+0x449/0x710 [ 4193.137616][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.137616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.137616][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.137616][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.137616][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.137616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.137616][ T10] [ 4193.139271][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4193.139534][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4193.139534][ T10] netdev_get_by_index+0x5e/0x80 [ 4193.139534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4193.139534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4193.139534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4193.139534][ T10] ipv6_add_addr+0x411/0x2000 [ 4193.139534][ T10] inet6_addr_add+0x30e/0xa40 [ 4193.139534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4193.139534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.139534][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.139534][ T10] netlink_unicast+0x449/0x710 [ 4193.139534][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.139534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.139534][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.139534][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.139534][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.139534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.139534][ T10] [ 4193.141515][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4193.141515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4193.141515][ T10] ipv6_find_idev+0x102/0x170 [ 4193.141515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.141515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.141515][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.141515][ T10] netlink_unicast+0x449/0x710 [ 4193.141515][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.141515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.141515][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.141515][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.141515][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.141515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.141515][ T10] [ 4193.143530][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4193.143530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4193.143530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4193.143530][ T10] ipv6_find_idev+0x102/0x170 [ 4193.143530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.143530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.143530][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.143530][ T10] netlink_unicast+0x449/0x710 [ 4193.143530][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.143530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.143530][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.143530][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.143530][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.143530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.143530][ T10] [ 4193.145239][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4193.145532][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4193.145532][ T10] netdev_get_by_index+0x5e/0x80 [ 4193.145532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4193.145532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4193.145532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4193.145532][ T10] ipv6_add_addr+0x411/0x2000 [ 4193.145532][ T10] inet6_addr_add+0x30e/0xa40 [ 4193.145532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4193.145532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.145532][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.145532][ T10] netlink_unicast+0x449/0x710 [ 4193.145532][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.145532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.145532][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.145532][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.145532][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.145532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.145532][ T10] [ 4193.147669][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4193.147669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4193.147669][ T10] ipv6_find_idev+0x102/0x170 [ 4193.147669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.147669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.147669][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.147669][ T10] netlink_unicast+0x449/0x710 [ 4193.147669][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.147669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.147669][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.147669][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.147669][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.147669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.147669][ T10] [ 4193.149322][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4193.149322][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4193.149322][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4193.149322][ T10] ipv6_find_idev+0x102/0x170 [ 4193.149322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.149322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.149322][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.149322][ T10] netlink_unicast+0x449/0x710 [ 4193.149322][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.149322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.149322][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.149322][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.149322][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.149322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.149322][ T10] [ 4193.151534][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4193.151814][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4193.151814][ T10] netdev_get_by_index+0x5e/0x80 [ 4193.151814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4193.151814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4193.151814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4193.151814][ T10] ipv6_add_addr+0x411/0x2000 [ 4193.151814][ T10] inet6_addr_add+0x30e/0xa40 [ 4193.151814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4193.151814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.151814][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.151814][ T10] netlink_unicast+0x449/0x710 [ 4193.151814][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.151814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.151814][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.151814][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.151814][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.151814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.151814][ T10] [ 4193.153964][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4193.153964][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4193.153964][ T10] ipv6_find_idev+0x102/0x170 [ 4193.153964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.153964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.153964][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.153964][ T10] netlink_unicast+0x449/0x710 [ 4193.153964][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.153964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.153964][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.153964][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.153964][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.153964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.153964][ T10] [ 4193.155646][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4193.155646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4193.155646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4193.155646][ T10] ipv6_find_idev+0x102/0x170 [ 4193.155646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.155646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.155646][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.155646][ T10] netlink_unicast+0x449/0x710 [ 4193.155646][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.155646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.155646][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.155646][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.155646][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.155646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.155646][ T10] [ 4193.157498][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4193.157785][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4193.157785][ T10] netdev_get_by_index+0x5e/0x80 [ 4193.157785][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4193.157785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4193.157785][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4193.157785][ T10] ipv6_add_addr+0x411/0x2000 [ 4193.157785][ T10] inet6_addr_add+0x30e/0xa40 [ 4193.157785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4193.157785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.157785][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.157785][ T10] netlink_unicast+0x449/0x710 [ 4193.157785][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.157785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.157785][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.157785][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.157785][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.157785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.157785][ T10] [ 4193.160049][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4193.160049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4193.160049][ T10] ipv6_find_idev+0x102/0x170 [ 4193.160049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.160049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.160049][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.160049][ T10] netlink_unicast+0x449/0x710 [ 4193.160049][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.160049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.160049][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.160049][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.160049][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.160049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.160049][ T10] [ 4193.161909][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4193.161909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4193.161909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4193.161909][ T10] ipv6_find_idev+0x102/0x170 [ 4193.161909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.161909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.161909][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.161909][ T10] netlink_unicast+0x449/0x710 [ 4193.161909][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.161909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.161909][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.161909][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.161909][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.161909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.161909][ T10] [ 4193.164043][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4193.164379][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4193.164379][ T10] netdev_get_by_index+0x5e/0x80 [ 4193.164379][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4193.164379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4193.164379][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4193.164379][ T10] ipv6_add_addr+0x411/0x2000 [ 4193.164379][ T10] inet6_addr_add+0x30e/0xa40 [ 4193.164379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4193.164379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.164379][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.164379][ T10] netlink_unicast+0x449/0x710 [ 4193.164379][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.164379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.164379][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.164379][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.164379][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.164379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.164379][ T10] [ 4193.166678][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4193.166678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4193.166678][ T10] ipv6_find_idev+0x102/0x170 [ 4193.166678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.166678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.166678][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.166678][ T10] netlink_unicast+0x449/0x710 [ 4193.166678][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.166678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.166678][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.166678][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.166678][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.166678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.166678][ T10] [ 4193.168493][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4193.168493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4193.168493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4193.168493][ T10] ipv6_find_idev+0x102/0x170 [ 4193.168493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.168493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.168493][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.168493][ T10] netlink_unicast+0x449/0x710 [ 4193.168493][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.168493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.168493][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.168493][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.168493][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.168493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.168493][ T10] [ 4193.170367][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4193.170631][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4193.170631][ T10] netdev_get_by_index+0x5e/0x80 [ 4193.170631][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4193.170631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4193.170631][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4193.170631][ T10] ipv6_add_addr+0x411/0x2000 [ 4193.170631][ T10] inet6_addr_add+0x30e/0xa40 [ 4193.170631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4193.170631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.170631][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.170631][ T10] netlink_unicast+0x449/0x710 [ 4193.170631][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.170631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.170631][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.170631][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.170631][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.170631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.170631][ T10] [ 4193.172872][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4193.172872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4193.172872][ T10] ipv6_find_idev+0x102/0x170 [ 4193.172872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.172872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.172872][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.172872][ T10] netlink_unicast+0x449/0x710 [ 4193.172872][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.172872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.172872][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.172872][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.172872][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.172872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.172872][ T10] [ 4193.174624][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4193.174624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4193.174624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4193.174624][ T10] ipv6_find_idev+0x102/0x170 [ 4193.174624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4193.174624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4193.174624][ T10] netlink_rcv_skb+0x130/0x360 [ 4193.174624][ T10] netlink_unicast+0x449/0x710 [ 4193.174624][ T10] netlink_sendmsg+0x723/0xbe0 [ 4193.174624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4193.174624][ T10] ___sys_sendmsg+0xee/0x170 [ 4193.174624][ T10] __sys_sendmsg+0xcd/0x170 [ 4193.174624][ T10] do_syscall_64+0xc6/0x1e0 [ 4193.174624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4193.174624][ T10] [ 4203.416233][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4203.416632][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4203.416632][ T10] netdev_get_by_index+0x5e/0x80 [ 4203.416632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4203.416632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4203.416632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4203.416632][ T10] ipv6_add_addr+0x411/0x2000 [ 4203.416632][ T10] inet6_addr_add+0x30e/0xa40 [ 4203.416632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4203.416632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.416632][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.416632][ T10] netlink_unicast+0x449/0x710 [ 4203.416632][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.416632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.416632][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.416632][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.416632][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.416632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.416632][ T10] [ 4203.418772][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4203.418772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4203.418772][ T10] ipv6_find_idev+0x102/0x170 [ 4203.418772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.418772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.418772][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.418772][ T10] netlink_unicast+0x449/0x710 [ 4203.418772][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.418772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.418772][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.418772][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.418772][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.418772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.418772][ T10] [ 4203.420413][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4203.420413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4203.420413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4203.420413][ T10] ipv6_find_idev+0x102/0x170 [ 4203.420413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.420413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.420413][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.420413][ T10] netlink_unicast+0x449/0x710 [ 4203.420413][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.420413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.420413][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.420413][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.420413][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.420413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.420413][ T10] [ 4203.422228][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4203.422513][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4203.422513][ T10] netdev_get_by_index+0x5e/0x80 [ 4203.422513][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4203.422513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4203.422513][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4203.422513][ T10] ipv6_add_addr+0x411/0x2000 [ 4203.422513][ T10] inet6_addr_add+0x30e/0xa40 [ 4203.422513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4203.422513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.422513][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.422513][ T10] netlink_unicast+0x449/0x710 [ 4203.422513][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.422513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.422513][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.422513][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.422513][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.422513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.422513][ T10] [ 4203.424675][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4203.424675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4203.424675][ T10] ipv6_find_idev+0x102/0x170 [ 4203.424675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.424675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.424675][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.424675][ T10] netlink_unicast+0x449/0x710 [ 4203.424675][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.424675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.424675][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.424675][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.424675][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.424675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.424675][ T10] [ 4203.426355][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4203.426355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4203.426355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4203.426355][ T10] ipv6_find_idev+0x102/0x170 [ 4203.426355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.426355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.426355][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.426355][ T10] netlink_unicast+0x449/0x710 [ 4203.426355][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.426355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.426355][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.426355][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.426355][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.426355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.426355][ T10] [ 4203.428167][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4203.428450][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4203.428450][ T10] netdev_get_by_index+0x5e/0x80 [ 4203.428450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4203.428450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4203.428450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4203.428450][ T10] ipv6_add_addr+0x411/0x2000 [ 4203.428450][ T10] inet6_addr_add+0x30e/0xa40 [ 4203.428450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4203.428450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.428450][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.428450][ T10] netlink_unicast+0x449/0x710 [ 4203.428450][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.428450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.428450][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.428450][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.428450][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.428450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.428450][ T10] [ 4203.430589][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4203.430589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4203.430589][ T10] ipv6_find_idev+0x102/0x170 [ 4203.430589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.430589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.430589][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.430589][ T10] netlink_unicast+0x449/0x710 [ 4203.430589][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.430589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.430589][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.430589][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.430589][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.430589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.430589][ T10] [ 4203.432244][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4203.432244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4203.432244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4203.432244][ T10] ipv6_find_idev+0x102/0x170 [ 4203.432244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.432244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.432244][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.432244][ T10] netlink_unicast+0x449/0x710 [ 4203.432244][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.432244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.432244][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.432244][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.432244][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.432244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.432244][ T10] [ 4203.434045][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4203.434771][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4203.434771][ T10] netdev_get_by_index+0x5e/0x80 [ 4203.434771][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4203.434771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4203.434771][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4203.434771][ T10] ipv6_add_addr+0x411/0x2000 [ 4203.434771][ T10] inet6_addr_add+0x30e/0xa40 [ 4203.434771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4203.434771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.434771][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.434771][ T10] netlink_unicast+0x449/0x710 [ 4203.434771][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.434771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.434771][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.434771][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.434771][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.434771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.434771][ T10] [ 4203.436755][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4203.436755][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4203.436755][ T10] ipv6_find_idev+0x102/0x170 [ 4203.436755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.436755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.436755][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.436755][ T10] netlink_unicast+0x449/0x710 [ 4203.436755][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.436755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.436755][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.436755][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.436755][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.436755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.436755][ T10] [ 4203.438267][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4203.438267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4203.438267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4203.438267][ T10] ipv6_find_idev+0x102/0x170 [ 4203.438267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.438267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.438267][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.438267][ T10] netlink_unicast+0x449/0x710 [ 4203.438267][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.438267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.438267][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.438267][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.438267][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.438267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.438267][ T10] [ 4203.439965][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4203.440282][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4203.440282][ T10] netdev_get_by_index+0x5e/0x80 [ 4203.440282][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4203.440282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4203.440282][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4203.440282][ T10] ipv6_add_addr+0x411/0x2000 [ 4203.440282][ T10] inet6_addr_add+0x30e/0xa40 [ 4203.440282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4203.440282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.440282][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.440282][ T10] netlink_unicast+0x449/0x710 [ 4203.440282][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.440282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.440282][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.440282][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.440282][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.440282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.440282][ T10] [ 4203.442328][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4203.442328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4203.442328][ T10] ipv6_find_idev+0x102/0x170 [ 4203.442328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.442328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.442328][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.442328][ T10] netlink_unicast+0x449/0x710 [ 4203.442328][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.442328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.442328][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.442328][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.442328][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.442328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.442328][ T10] [ 4203.443851][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4203.443851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4203.443851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4203.443851][ T10] ipv6_find_idev+0x102/0x170 [ 4203.443851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.443851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.443851][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.443851][ T10] netlink_unicast+0x449/0x710 [ 4203.443851][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.443851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.443851][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.443851][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.443851][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.443851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.443851][ T10] [ 4203.445648][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4203.445926][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4203.445926][ T10] netdev_get_by_index+0x5e/0x80 [ 4203.445926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4203.445926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4203.445926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4203.445926][ T10] ipv6_add_addr+0x411/0x2000 [ 4203.445926][ T10] inet6_addr_add+0x30e/0xa40 [ 4203.445926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4203.445926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.445926][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.445926][ T10] netlink_unicast+0x449/0x710 [ 4203.445926][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.445926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.445926][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.445926][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.445926][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.445926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.445926][ T10] [ 4203.447975][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4203.447975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4203.447975][ T10] ipv6_find_idev+0x102/0x170 [ 4203.447975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.447975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.447975][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.447975][ T10] netlink_unicast+0x449/0x710 [ 4203.447975][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.447975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.447975][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.447975][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.447975][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.447975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.447975][ T10] [ 4203.449755][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4203.449755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4203.449755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4203.449755][ T10] ipv6_find_idev+0x102/0x170 [ 4203.449755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.449755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.449755][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.449755][ T10] netlink_unicast+0x449/0x710 [ 4203.449755][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.449755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.449755][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.449755][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.449755][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.449755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.449755][ T10] [ 4203.451675][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4203.451937][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4203.451937][ T10] netdev_get_by_index+0x5e/0x80 [ 4203.451937][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4203.451937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4203.451937][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4203.451937][ T10] ipv6_add_addr+0x411/0x2000 [ 4203.451937][ T10] inet6_addr_add+0x30e/0xa40 [ 4203.451937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4203.451937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.451937][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.451937][ T10] netlink_unicast+0x449/0x710 [ 4203.451937][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.451937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.451937][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.451937][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.451937][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.451937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.451937][ T10] [ 4203.454025][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4203.454025][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4203.454025][ T10] ipv6_find_idev+0x102/0x170 [ 4203.454025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.454025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.454025][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.454025][ T10] netlink_unicast+0x449/0x710 [ 4203.454025][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.454025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.454025][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.454025][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.454025][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.454025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.454025][ T10] [ 4203.455742][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4203.455742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4203.455742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4203.455742][ T10] ipv6_find_idev+0x102/0x170 [ 4203.455742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.455742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.455742][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.455742][ T10] netlink_unicast+0x449/0x710 [ 4203.455742][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.455742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.455742][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.455742][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.455742][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.455742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.455742][ T10] [ 4203.457671][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4203.457943][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4203.457943][ T10] netdev_get_by_index+0x5e/0x80 [ 4203.457943][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4203.457943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4203.457943][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4203.457943][ T10] ipv6_add_addr+0x411/0x2000 [ 4203.457943][ T10] inet6_addr_add+0x30e/0xa40 [ 4203.457943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4203.457943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.457943][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.457943][ T10] netlink_unicast+0x449/0x710 [ 4203.457943][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.457943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.457943][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.457943][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.457943][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.457943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.457943][ T10] [ 4203.460152][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4203.460152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4203.460152][ T10] ipv6_find_idev+0x102/0x170 [ 4203.460152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.460152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.460152][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.460152][ T10] netlink_unicast+0x449/0x710 [ 4203.460152][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.460152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.460152][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.460152][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.460152][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.460152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.460152][ T10] [ 4203.461853][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4203.461853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4203.461853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4203.461853][ T10] ipv6_find_idev+0x102/0x170 [ 4203.461853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4203.461853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4203.461853][ T10] netlink_rcv_skb+0x130/0x360 [ 4203.461853][ T10] netlink_unicast+0x449/0x710 [ 4203.461853][ T10] netlink_sendmsg+0x723/0xbe0 [ 4203.461853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4203.461853][ T10] ___sys_sendmsg+0xee/0x170 [ 4203.461853][ T10] __sys_sendmsg+0xcd/0x170 [ 4203.461853][ T10] do_syscall_64+0xc6/0x1e0 [ 4203.461853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4203.461853][ T10] [ 4213.704299][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4213.704763][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4213.704763][ T10] netdev_get_by_index+0x5e/0x80 [ 4213.704763][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4213.704763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4213.704763][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4213.704763][ T10] ipv6_add_addr+0x411/0x2000 [ 4213.704763][ T10] inet6_addr_add+0x30e/0xa40 [ 4213.704763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4213.704763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.704763][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.704763][ T10] netlink_unicast+0x449/0x710 [ 4213.704763][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.704763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.704763][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.704763][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.704763][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.704763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.704763][ T10] [ 4213.706778][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4213.706778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4213.706778][ T10] ipv6_find_idev+0x102/0x170 [ 4213.706778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.706778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.706778][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.706778][ T10] netlink_unicast+0x449/0x710 [ 4213.706778][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.706778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.706778][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.706778][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.706778][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.706778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.706778][ T10] [ 4213.708307][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4213.708307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4213.708307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4213.708307][ T10] ipv6_find_idev+0x102/0x170 [ 4213.708307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.708307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.708307][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.708307][ T10] netlink_unicast+0x449/0x710 [ 4213.708307][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.708307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.708307][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.708307][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.708307][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.708307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.708307][ T10] [ 4213.709979][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4213.710258][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4213.710258][ T10] netdev_get_by_index+0x5e/0x80 [ 4213.710258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4213.710258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4213.710258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4213.710258][ T10] ipv6_add_addr+0x411/0x2000 [ 4213.710258][ T10] inet6_addr_add+0x30e/0xa40 [ 4213.710258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4213.710258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.710258][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.710258][ T10] netlink_unicast+0x449/0x710 [ 4213.710258][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.710258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.710258][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.710258][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.710258][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.710258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.710258][ T10] [ 4213.712214][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4213.712214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4213.712214][ T10] ipv6_find_idev+0x102/0x170 [ 4213.712214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.712214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.712214][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.712214][ T10] netlink_unicast+0x449/0x710 [ 4213.712214][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.712214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.712214][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.712214][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.712214][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.712214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.712214][ T10] [ 4213.713730][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4213.713730][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4213.713730][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4213.713730][ T10] ipv6_find_idev+0x102/0x170 [ 4213.713730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.713730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.713730][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.713730][ T10] netlink_unicast+0x449/0x710 [ 4213.713730][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.713730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.713730][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.713730][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.713730][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.713730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.713730][ T10] [ 4213.715405][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4213.715666][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4213.715666][ T10] netdev_get_by_index+0x5e/0x80 [ 4213.715666][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4213.715666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4213.715666][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4213.715666][ T10] ipv6_add_addr+0x411/0x2000 [ 4213.715666][ T10] inet6_addr_add+0x30e/0xa40 [ 4213.715666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4213.715666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.715666][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.715666][ T10] netlink_unicast+0x449/0x710 [ 4213.715666][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.715666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.715666][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.715666][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.715666][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.715666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.715666][ T10] [ 4213.717638][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4213.717638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4213.717638][ T10] ipv6_find_idev+0x102/0x170 [ 4213.717638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.717638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.717638][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.717638][ T10] netlink_unicast+0x449/0x710 [ 4213.717638][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.717638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.717638][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.717638][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.717638][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.717638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.717638][ T10] [ 4213.719160][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4213.719160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4213.719160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4213.719160][ T10] ipv6_find_idev+0x102/0x170 [ 4213.719160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.719160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.719160][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.719160][ T10] netlink_unicast+0x449/0x710 [ 4213.719160][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.719160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.719160][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.719160][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.719160][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.719160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.719160][ T10] [ 4213.720818][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4213.721077][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4213.721077][ T10] netdev_get_by_index+0x5e/0x80 [ 4213.721077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4213.721077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4213.721077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4213.721077][ T10] ipv6_add_addr+0x411/0x2000 [ 4213.721077][ T10] inet6_addr_add+0x30e/0xa40 [ 4213.721077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4213.721077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.721077][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.721077][ T10] netlink_unicast+0x449/0x710 [ 4213.721077][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.721077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.721077][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.721077][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.721077][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.721077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.721077][ T10] [ 4213.723040][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4213.723040][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4213.723040][ T10] ipv6_find_idev+0x102/0x170 [ 4213.723040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.723040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.723040][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.723040][ T10] netlink_unicast+0x449/0x710 [ 4213.723040][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.723040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.723040][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.723040][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.723040][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.723040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.723040][ T10] [ 4213.724543][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4213.724543][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4213.724543][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4213.724543][ T10] ipv6_find_idev+0x102/0x170 [ 4213.724543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.724543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.724543][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.724543][ T10] netlink_unicast+0x449/0x710 [ 4213.724543][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.724543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.724543][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.724543][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.724543][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.724543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.724543][ T10] [ 4213.726591][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4213.726850][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4213.726850][ T10] netdev_get_by_index+0x5e/0x80 [ 4213.726850][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4213.726850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4213.726850][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4213.726850][ T10] ipv6_add_addr+0x411/0x2000 [ 4213.726850][ T10] inet6_addr_add+0x30e/0xa40 [ 4213.726850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4213.726850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.726850][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.726850][ T10] netlink_unicast+0x449/0x710 [ 4213.726850][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.726850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.726850][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.726850][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.726850][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.726850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.726850][ T10] [ 4213.728810][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4213.728810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4213.728810][ T10] ipv6_find_idev+0x102/0x170 [ 4213.728810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.728810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.728810][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.728810][ T10] netlink_unicast+0x449/0x710 [ 4213.728810][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.728810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.728810][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.728810][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.728810][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.728810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.728810][ T10] [ 4213.730316][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4213.730316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4213.730316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4213.730316][ T10] ipv6_find_idev+0x102/0x170 [ 4213.730316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.730316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.730316][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.730316][ T10] netlink_unicast+0x449/0x710 [ 4213.730316][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.730316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.730316][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.730316][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.730316][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.730316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.730316][ T10] [ 4213.732006][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4213.732320][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4213.732320][ T10] netdev_get_by_index+0x5e/0x80 [ 4213.732320][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4213.732320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4213.732320][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4213.732320][ T10] ipv6_add_addr+0x411/0x2000 [ 4213.732320][ T10] inet6_addr_add+0x30e/0xa40 [ 4213.732320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4213.732320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.732320][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.732320][ T10] netlink_unicast+0x449/0x710 [ 4213.732320][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.732320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.732320][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.732320][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.732320][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.732320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.732320][ T10] [ 4213.734399][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4213.734399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4213.734399][ T10] ipv6_find_idev+0x102/0x170 [ 4213.734399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.734399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.734399][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.734399][ T10] netlink_unicast+0x449/0x710 [ 4213.734399][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.734399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.734399][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.734399][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.734399][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.734399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.734399][ T10] [ 4213.736095][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4213.736095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4213.736095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4213.736095][ T10] ipv6_find_idev+0x102/0x170 [ 4213.736095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.736095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.736095][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.736095][ T10] netlink_unicast+0x449/0x710 [ 4213.736095][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.736095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.736095][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.736095][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.736095][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.736095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.736095][ T10] [ 4213.738038][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4213.738349][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4213.738349][ T10] netdev_get_by_index+0x5e/0x80 [ 4213.738349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4213.738349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4213.738349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4213.738349][ T10] ipv6_add_addr+0x411/0x2000 [ 4213.738349][ T10] inet6_addr_add+0x30e/0xa40 [ 4213.738349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4213.738349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.738349][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.738349][ T10] netlink_unicast+0x449/0x710 [ 4213.738349][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.738349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.738349][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.738349][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.738349][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.738349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.738349][ T10] [ 4213.740499][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4213.740499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4213.740499][ T10] ipv6_find_idev+0x102/0x170 [ 4213.740499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.740499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.740499][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.740499][ T10] netlink_unicast+0x449/0x710 [ 4213.740499][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.740499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.740499][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.740499][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.740499][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.740499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.740499][ T10] [ 4213.742189][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4213.742189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4213.742189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4213.742189][ T10] ipv6_find_idev+0x102/0x170 [ 4213.742189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.742189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.742189][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.742189][ T10] netlink_unicast+0x449/0x710 [ 4213.742189][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.742189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.742189][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.742189][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.742189][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.742189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.742189][ T10] [ 4213.744128][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4213.744389][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4213.744389][ T10] netdev_get_by_index+0x5e/0x80 [ 4213.744389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4213.744389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4213.744389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4213.744389][ T10] ipv6_add_addr+0x411/0x2000 [ 4213.744389][ T10] inet6_addr_add+0x30e/0xa40 [ 4213.744389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4213.744389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.744389][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.744389][ T10] netlink_unicast+0x449/0x710 [ 4213.744389][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.744389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.744389][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.744389][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.744389][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.744389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.744389][ T10] [ 4213.746538][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4213.746538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4213.746538][ T10] ipv6_find_idev+0x102/0x170 [ 4213.746538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.746538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.746538][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.746538][ T10] netlink_unicast+0x449/0x710 [ 4213.746538][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.746538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.746538][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.746538][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.746538][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.746538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.746538][ T10] [ 4213.748284][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4213.748284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4213.748284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4213.748284][ T10] ipv6_find_idev+0x102/0x170 [ 4213.748284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4213.748284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4213.748284][ T10] netlink_rcv_skb+0x130/0x360 [ 4213.748284][ T10] netlink_unicast+0x449/0x710 [ 4213.748284][ T10] netlink_sendmsg+0x723/0xbe0 [ 4213.748284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4213.748284][ T10] ___sys_sendmsg+0xee/0x170 [ 4213.748284][ T10] __sys_sendmsg+0xcd/0x170 [ 4213.748284][ T10] do_syscall_64+0xc6/0x1e0 [ 4213.748284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4213.748284][ T10] [ 4223.832245][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4223.832709][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4223.832709][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.832709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4223.832709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.832709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4223.832709][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.832709][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.832709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.832709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.832709][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.832709][ T10] netlink_unicast+0x449/0x710 [ 4223.832709][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.832709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.832709][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.832709][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.832709][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.832709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.832709][ T10] [ 4223.834726][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4223.834726][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.834726][ T10] ipv6_find_idev+0x102/0x170 [ 4223.834726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.834726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.834726][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.834726][ T10] netlink_unicast+0x449/0x710 [ 4223.834726][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.834726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.834726][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.834726][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.834726][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.834726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.834726][ T10] [ 4223.836277][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4223.836277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.836277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.836277][ T10] ipv6_find_idev+0x102/0x170 [ 4223.836277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.836277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.836277][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.836277][ T10] netlink_unicast+0x449/0x710 [ 4223.836277][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.836277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.836277][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.836277][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.836277][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.836277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.836277][ T10] [ 4223.837993][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4223.838293][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4223.838293][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.838293][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4223.838293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.838293][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4223.838293][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.838293][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.838293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.838293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.838293][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.838293][ T10] netlink_unicast+0x449/0x710 [ 4223.838293][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.838293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.838293][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.838293][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.838293][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.838293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.838293][ T10] [ 4223.840295][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4223.840295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.840295][ T10] ipv6_find_idev+0x102/0x170 [ 4223.840295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.840295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.840295][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.840295][ T10] netlink_unicast+0x449/0x710 [ 4223.840295][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.840295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.840295][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.840295][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.840295][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.840295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.840295][ T10] [ 4223.841843][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4223.841843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.841843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.841843][ T10] ipv6_find_idev+0x102/0x170 [ 4223.841843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.841843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.841843][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.841843][ T10] netlink_unicast+0x449/0x710 [ 4223.841843][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.841843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.841843][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.841843][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.841843][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.841843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.841843][ T10] [ 4223.843522][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4223.843786][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4223.843786][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.843786][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4223.843786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.843786][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4223.843786][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.843786][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.843786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.843786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.843786][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.843786][ T10] netlink_unicast+0x449/0x710 [ 4223.843786][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.843786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.843786][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.843786][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.843786][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.843786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.843786][ T10] [ 4223.845777][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4223.845777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.845777][ T10] ipv6_find_idev+0x102/0x170 [ 4223.845777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.845777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.845777][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.845777][ T10] netlink_unicast+0x449/0x710 [ 4223.845777][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.845777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.845777][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.845777][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.845777][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.845777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.845777][ T10] [ 4223.847313][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4223.847313][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.847313][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.847313][ T10] ipv6_find_idev+0x102/0x170 [ 4223.847313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.847313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.847313][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.847313][ T10] netlink_unicast+0x449/0x710 [ 4223.847313][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.847313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.847313][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.847313][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.847313][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.847313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.847313][ T10] [ 4223.849384][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4223.849972][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4223.849972][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.849972][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4223.849972][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.849972][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4223.849972][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.849972][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.849972][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.849972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.849972][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.849972][ T10] netlink_unicast+0x449/0x710 [ 4223.849972][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.849972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.849972][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.849972][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.849972][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.849972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.849972][ T10] [ 4223.852002][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4223.852002][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.852002][ T10] ipv6_find_idev+0x102/0x170 [ 4223.852002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.852002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.852002][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.852002][ T10] netlink_unicast+0x449/0x710 [ 4223.852002][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.852002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.852002][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.852002][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.852002][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.852002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.852002][ T10] [ 4223.853533][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4223.853533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.853533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.853533][ T10] ipv6_find_idev+0x102/0x170 [ 4223.853533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.853533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.853533][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.853533][ T10] netlink_unicast+0x449/0x710 [ 4223.853533][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.853533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.853533][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.853533][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.853533][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.853533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.853533][ T10] [ 4223.855230][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4223.855508][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4223.855508][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.855508][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4223.855508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.855508][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4223.855508][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.855508][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.855508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.855508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.855508][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.855508][ T10] netlink_unicast+0x449/0x710 [ 4223.855508][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.855508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.855508][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.855508][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.855508][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.855508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.855508][ T10] [ 4223.857515][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4223.857515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.857515][ T10] ipv6_find_idev+0x102/0x170 [ 4223.857515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.857515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.857515][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.857515][ T10] netlink_unicast+0x449/0x710 [ 4223.857515][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.857515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.857515][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.857515][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.857515][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.857515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.857515][ T10] [ 4223.859054][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4223.859054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.859054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.859054][ T10] ipv6_find_idev+0x102/0x170 [ 4223.859054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.859054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.859054][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.859054][ T10] netlink_unicast+0x449/0x710 [ 4223.859054][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.859054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.859054][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.859054][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.859054][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.859054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.859054][ T10] [ 4223.860773][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4223.861083][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4223.861083][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.861083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4223.861083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.861083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4223.861083][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.861083][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.861083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.861083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.861083][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.861083][ T10] netlink_unicast+0x449/0x710 [ 4223.861083][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.861083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.861083][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.861083][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.861083][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.861083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.861083][ T10] [ 4223.863073][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4223.863073][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.863073][ T10] ipv6_find_idev+0x102/0x170 [ 4223.863073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.863073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.863073][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.863073][ T10] netlink_unicast+0x449/0x710 [ 4223.863073][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.863073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.863073][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.863073][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.863073][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.863073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.863073][ T10] [ 4223.864602][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4223.864602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.864602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.864602][ T10] ipv6_find_idev+0x102/0x170 [ 4223.864602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.864602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.864602][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.864602][ T10] netlink_unicast+0x449/0x710 [ 4223.864602][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.864602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.864602][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.864602][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.864602][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.864602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.864602][ T10] [ 4223.866516][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4223.866830][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4223.866830][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.866830][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4223.866830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.866830][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4223.866830][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.866830][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.866830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.866830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.866830][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.866830][ T10] netlink_unicast+0x449/0x710 [ 4223.866830][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.866830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.866830][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.866830][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.866830][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.866830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.866830][ T10] [ 4223.868986][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4223.868986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.868986][ T10] ipv6_find_idev+0x102/0x170 [ 4223.868986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.868986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.868986][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.868986][ T10] netlink_unicast+0x449/0x710 [ 4223.868986][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.868986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.868986][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.868986][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.868986][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.868986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.868986][ T10] [ 4223.870816][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4223.870816][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.870816][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.870816][ T10] ipv6_find_idev+0x102/0x170 [ 4223.870816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.870816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.870816][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.870816][ T10] netlink_unicast+0x449/0x710 [ 4223.870816][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.870816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.870816][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.870816][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.870816][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.870816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.870816][ T10] [ 4223.873389][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4223.873746][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4223.873746][ T10] netdev_get_by_index+0x5e/0x80 [ 4223.873746][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4223.873746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4223.873746][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4223.873746][ T10] ipv6_add_addr+0x411/0x2000 [ 4223.873746][ T10] inet6_addr_add+0x30e/0xa40 [ 4223.873746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4223.873746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.873746][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.873746][ T10] netlink_unicast+0x449/0x710 [ 4223.873746][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.873746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.873746][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.873746][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.873746][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.873746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.873746][ T10] [ 4223.876098][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4223.876098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4223.876098][ T10] ipv6_find_idev+0x102/0x170 [ 4223.876098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.876098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.876098][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.876098][ T10] netlink_unicast+0x449/0x710 [ 4223.876098][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.876098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.876098][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.876098][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.876098][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.876098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.876098][ T10] [ 4223.877967][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4223.877967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4223.877967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4223.877967][ T10] ipv6_find_idev+0x102/0x170 [ 4223.877967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4223.877967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4223.877967][ T10] netlink_rcv_skb+0x130/0x360 [ 4223.877967][ T10] netlink_unicast+0x449/0x710 [ 4223.877967][ T10] netlink_sendmsg+0x723/0xbe0 [ 4223.877967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4223.877967][ T10] ___sys_sendmsg+0xee/0x170 [ 4223.877967][ T10] __sys_sendmsg+0xcd/0x170 [ 4223.877967][ T10] do_syscall_64+0xc6/0x1e0 [ 4223.877967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4223.877967][ T10] [ 4234.024223][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4234.024666][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4234.024666][ T10] netdev_get_by_index+0x5e/0x80 [ 4234.024666][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4234.024666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4234.024666][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4234.024666][ T10] ipv6_add_addr+0x411/0x2000 [ 4234.024666][ T10] inet6_addr_add+0x30e/0xa40 [ 4234.024666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.024666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.024666][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.024666][ T10] netlink_unicast+0x449/0x710 [ 4234.024666][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.024666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.024666][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.024666][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.024666][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.024666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.024666][ T10] [ 4234.026664][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4234.026664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4234.026664][ T10] ipv6_find_idev+0x102/0x170 [ 4234.026664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.026664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.026664][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.026664][ T10] netlink_unicast+0x449/0x710 [ 4234.026664][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.026664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.026664][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.026664][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.026664][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.026664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.026664][ T10] [ 4234.028180][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4234.028180][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4234.028180][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4234.028180][ T10] ipv6_find_idev+0x102/0x170 [ 4234.028180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.028180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.028180][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.028180][ T10] netlink_unicast+0x449/0x710 [ 4234.028180][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.028180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.028180][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.028180][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.028180][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.028180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.028180][ T10] [ 4234.029841][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4234.030104][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4234.030104][ T10] netdev_get_by_index+0x5e/0x80 [ 4234.030104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4234.030104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4234.030104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4234.030104][ T10] ipv6_add_addr+0x411/0x2000 [ 4234.030104][ T10] inet6_addr_add+0x30e/0xa40 [ 4234.030104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.030104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.030104][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.030104][ T10] netlink_unicast+0x449/0x710 [ 4234.030104][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.030104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.030104][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.030104][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.030104][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.030104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.030104][ T10] [ 4234.032065][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4234.032065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4234.032065][ T10] ipv6_find_idev+0x102/0x170 [ 4234.032065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.032065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.032065][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.032065][ T10] netlink_unicast+0x449/0x710 [ 4234.032065][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.032065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.032065][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.032065][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.032065][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.032065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.032065][ T10] [ 4234.033583][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4234.033583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4234.033583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4234.033583][ T10] ipv6_find_idev+0x102/0x170 [ 4234.033583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.033583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.033583][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.033583][ T10] netlink_unicast+0x449/0x710 [ 4234.033583][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.033583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.033583][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.033583][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.033583][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.033583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.033583][ T10] [ 4234.035252][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4234.035523][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4234.035523][ T10] netdev_get_by_index+0x5e/0x80 [ 4234.035523][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4234.035523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4234.035523][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4234.035523][ T10] ipv6_add_addr+0x411/0x2000 [ 4234.035523][ T10] inet6_addr_add+0x30e/0xa40 [ 4234.035523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.035523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.035523][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.035523][ T10] netlink_unicast+0x449/0x710 [ 4234.035523][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.035523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.035523][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.035523][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.035523][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.035523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.035523][ T10] [ 4234.037482][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4234.037482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4234.037482][ T10] ipv6_find_idev+0x102/0x170 [ 4234.037482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.037482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.037482][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.037482][ T10] netlink_unicast+0x449/0x710 [ 4234.037482][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.037482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.037482][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.037482][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.037482][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.037482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.037482][ T10] [ 4234.038994][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4234.038994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4234.038994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4234.038994][ T10] ipv6_find_idev+0x102/0x170 [ 4234.038994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.038994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.038994][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.038994][ T10] netlink_unicast+0x449/0x710 [ 4234.038994][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.038994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.038994][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.038994][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.038994][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.038994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.038994][ T10] [ 4234.040655][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4234.040917][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4234.040917][ T10] netdev_get_by_index+0x5e/0x80 [ 4234.040917][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4234.040917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4234.040917][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4234.040917][ T10] ipv6_add_addr+0x411/0x2000 [ 4234.040917][ T10] inet6_addr_add+0x30e/0xa40 [ 4234.040917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.040917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.040917][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.040917][ T10] netlink_unicast+0x449/0x710 [ 4234.040917][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.040917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.040917][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.040917][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.040917][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.040917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.040917][ T10] [ 4234.042877][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4234.042877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4234.042877][ T10] ipv6_find_idev+0x102/0x170 [ 4234.042877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.042877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.042877][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.042877][ T10] netlink_unicast+0x449/0x710 [ 4234.042877][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.042877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.042877][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.042877][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.042877][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.042877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.042877][ T10] [ 4234.044400][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4234.044400][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4234.044400][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4234.044400][ T10] ipv6_find_idev+0x102/0x170 [ 4234.044400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.044400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.044400][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.044400][ T10] netlink_unicast+0x449/0x710 [ 4234.044400][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.044400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.044400][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.044400][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.044400][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.044400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.044400][ T10] [ 4234.046471][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4234.046730][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4234.046730][ T10] netdev_get_by_index+0x5e/0x80 [ 4234.046730][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4234.046730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4234.046730][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4234.046730][ T10] ipv6_add_addr+0x411/0x2000 [ 4234.046730][ T10] inet6_addr_add+0x30e/0xa40 [ 4234.046730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.046730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.046730][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.046730][ T10] netlink_unicast+0x449/0x710 [ 4234.046730][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.046730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.046730][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.046730][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.046730][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.046730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.046730][ T10] [ 4234.048690][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4234.048690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4234.048690][ T10] ipv6_find_idev+0x102/0x170 [ 4234.048690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.048690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.048690][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.048690][ T10] netlink_unicast+0x449/0x710 [ 4234.048690][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.048690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.048690][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.048690][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.048690][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.048690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.048690][ T10] [ 4234.050197][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4234.050197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4234.050197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4234.050197][ T10] ipv6_find_idev+0x102/0x170 [ 4234.050197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.050197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.050197][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.050197][ T10] netlink_unicast+0x449/0x710 [ 4234.050197][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.050197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.050197][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.050197][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.050197][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.050197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.050197][ T10] [ 4234.051897][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4234.052208][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4234.052208][ T10] netdev_get_by_index+0x5e/0x80 [ 4234.052208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4234.052208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4234.052208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4234.052208][ T10] ipv6_add_addr+0x411/0x2000 [ 4234.052208][ T10] inet6_addr_add+0x30e/0xa40 [ 4234.052208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.052208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.052208][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.052208][ T10] netlink_unicast+0x449/0x710 [ 4234.052208][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.052208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.052208][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.052208][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.052208][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.052208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.052208][ T10] [ 4234.054300][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4234.054300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4234.054300][ T10] ipv6_find_idev+0x102/0x170 [ 4234.054300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.054300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.054300][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.054300][ T10] netlink_unicast+0x449/0x710 [ 4234.054300][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.054300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.054300][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.054300][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.054300][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.054300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.054300][ T10] [ 4234.055995][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4234.055995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4234.055995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4234.055995][ T10] ipv6_find_idev+0x102/0x170 [ 4234.055995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.055995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.055995][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.055995][ T10] netlink_unicast+0x449/0x710 [ 4234.055995][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.055995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.055995][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.055995][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.055995][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.055995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.055995][ T10] [ 4234.057862][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4234.058121][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4234.058121][ T10] netdev_get_by_index+0x5e/0x80 [ 4234.058121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4234.058121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4234.058121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4234.058121][ T10] ipv6_add_addr+0x411/0x2000 [ 4234.058121][ T10] inet6_addr_add+0x30e/0xa40 [ 4234.058121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.058121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.058121][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.058121][ T10] netlink_unicast+0x449/0x710 [ 4234.058121][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.058121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.058121][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.058121][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.058121][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.058121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.058121][ T10] [ 4234.060323][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4234.060323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4234.060323][ T10] ipv6_find_idev+0x102/0x170 [ 4234.060323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.060323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.060323][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.060323][ T10] netlink_unicast+0x449/0x710 [ 4234.060323][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.060323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.060323][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.060323][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.060323][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.060323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.060323][ T10] [ 4234.062077][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4234.062077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4234.062077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4234.062077][ T10] ipv6_find_idev+0x102/0x170 [ 4234.062077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.062077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.062077][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.062077][ T10] netlink_unicast+0x449/0x710 [ 4234.062077][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.062077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.062077][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.062077][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.062077][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.062077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.062077][ T10] [ 4234.063943][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4234.064264][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4234.064264][ T10] netdev_get_by_index+0x5e/0x80 [ 4234.064264][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4234.064264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4234.064264][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4234.064264][ T10] ipv6_add_addr+0x411/0x2000 [ 4234.064264][ T10] inet6_addr_add+0x30e/0xa40 [ 4234.064264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.064264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.064264][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.064264][ T10] netlink_unicast+0x449/0x710 [ 4234.064264][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.064264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.064264][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.064264][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.064264][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.064264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.064264][ T10] [ 4234.066405][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4234.066405][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4234.066405][ T10] ipv6_find_idev+0x102/0x170 [ 4234.066405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.066405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.066405][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.066405][ T10] netlink_unicast+0x449/0x710 [ 4234.066405][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.066405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.066405][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.066405][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.066405][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.066405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.066405][ T10] [ 4234.068110][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4234.068110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4234.068110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4234.068110][ T10] ipv6_find_idev+0x102/0x170 [ 4234.068110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.068110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.068110][ T10] netlink_rcv_skb+0x130/0x360 [ 4234.068110][ T10] netlink_unicast+0x449/0x710 [ 4234.068110][ T10] netlink_sendmsg+0x723/0xbe0 [ 4234.068110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4234.068110][ T10] ___sys_sendmsg+0xee/0x170 [ 4234.068110][ T10] __sys_sendmsg+0xcd/0x170 [ 4234.068110][ T10] do_syscall_64+0xc6/0x1e0 [ 4234.068110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.068110][ T10] [ 4244.312241][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4244.312711][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4244.312711][ T10] netdev_get_by_index+0x5e/0x80 [ 4244.312711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4244.312711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4244.312711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4244.312711][ T10] ipv6_add_addr+0x411/0x2000 [ 4244.312711][ T10] inet6_addr_add+0x30e/0xa40 [ 4244.312711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4244.312711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.312711][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.312711][ T10] netlink_unicast+0x449/0x710 [ 4244.312711][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.312711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.312711][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.312711][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.312711][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.312711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.312711][ T10] [ 4244.314707][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4244.314707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4244.314707][ T10] ipv6_find_idev+0x102/0x170 [ 4244.314707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.314707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.314707][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.314707][ T10] netlink_unicast+0x449/0x710 [ 4244.314707][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.314707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.314707][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.314707][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.314707][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.314707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.314707][ T10] [ 4244.316257][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4244.316257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4244.316257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4244.316257][ T10] ipv6_find_idev+0x102/0x170 [ 4244.316257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.316257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.316257][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.316257][ T10] netlink_unicast+0x449/0x710 [ 4244.316257][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.316257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.316257][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.316257][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.316257][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.316257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.316257][ T10] [ 4244.317915][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4244.318202][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4244.318202][ T10] netdev_get_by_index+0x5e/0x80 [ 4244.318202][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4244.318202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4244.318202][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4244.318202][ T10] ipv6_add_addr+0x411/0x2000 [ 4244.318202][ T10] inet6_addr_add+0x30e/0xa40 [ 4244.318202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4244.318202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.318202][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.318202][ T10] netlink_unicast+0x449/0x710 [ 4244.318202][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.318202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.318202][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.318202][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.318202][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.318202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.318202][ T10] [ 4244.320169][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4244.320169][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4244.320169][ T10] ipv6_find_idev+0x102/0x170 [ 4244.320169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.320169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.320169][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.320169][ T10] netlink_unicast+0x449/0x710 [ 4244.320169][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.320169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.320169][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.320169][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.320169][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.320169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.320169][ T10] [ 4244.321682][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4244.321682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4244.321682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4244.321682][ T10] ipv6_find_idev+0x102/0x170 [ 4244.321682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.321682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.321682][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.321682][ T10] netlink_unicast+0x449/0x710 [ 4244.321682][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.321682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.321682][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.321682][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.321682][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.321682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.321682][ T10] [ 4244.323333][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4244.323592][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4244.323592][ T10] netdev_get_by_index+0x5e/0x80 [ 4244.323592][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4244.323592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4244.323592][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4244.323592][ T10] ipv6_add_addr+0x411/0x2000 [ 4244.323592][ T10] inet6_addr_add+0x30e/0xa40 [ 4244.323592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4244.323592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.323592][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.323592][ T10] netlink_unicast+0x449/0x710 [ 4244.323592][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.323592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.323592][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.323592][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.323592][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.323592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.323592][ T10] [ 4244.325568][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4244.325568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4244.325568][ T10] ipv6_find_idev+0x102/0x170 [ 4244.325568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.325568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.325568][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.325568][ T10] netlink_unicast+0x449/0x710 [ 4244.325568][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.325568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.325568][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.325568][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.325568][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.325568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.325568][ T10] [ 4244.327084][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4244.327084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4244.327084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4244.327084][ T10] ipv6_find_idev+0x102/0x170 [ 4244.327084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.327084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.327084][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.327084][ T10] netlink_unicast+0x449/0x710 [ 4244.327084][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.327084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.327084][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.327084][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.327084][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.327084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.327084][ T10] [ 4244.328743][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4244.329024][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4244.329024][ T10] netdev_get_by_index+0x5e/0x80 [ 4244.329024][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4244.329024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4244.329024][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4244.329024][ T10] ipv6_add_addr+0x411/0x2000 [ 4244.329024][ T10] inet6_addr_add+0x30e/0xa40 [ 4244.329024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4244.329024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.329024][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.329024][ T10] netlink_unicast+0x449/0x710 [ 4244.329024][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.329024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.329024][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.329024][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.329024][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.329024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.329024][ T10] [ 4244.331182][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4244.331182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4244.331182][ T10] ipv6_find_idev+0x102/0x170 [ 4244.331182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.331182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.331182][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.331182][ T10] netlink_unicast+0x449/0x710 [ 4244.331182][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.331182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.331182][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.331182][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.331182][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.331182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.331182][ T10] [ 4244.332843][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4244.332843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4244.332843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4244.332843][ T10] ipv6_find_idev+0x102/0x170 [ 4244.332843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.332843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.332843][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.332843][ T10] netlink_unicast+0x449/0x710 [ 4244.332843][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.332843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.332843][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.332843][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.332843][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.332843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.332843][ T10] [ 4244.334901][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4244.335501][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4244.335501][ T10] netdev_get_by_index+0x5e/0x80 [ 4244.335501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4244.335501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4244.335501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4244.335501][ T10] ipv6_add_addr+0x411/0x2000 [ 4244.335501][ T10] inet6_addr_add+0x30e/0xa40 [ 4244.335501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4244.335501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.335501][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.335501][ T10] netlink_unicast+0x449/0x710 [ 4244.335501][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.335501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.335501][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.335501][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.335501][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.335501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.335501][ T10] [ 4244.338001][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4244.338001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4244.338001][ T10] ipv6_find_idev+0x102/0x170 [ 4244.338001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.338001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.338001][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.338001][ T10] netlink_unicast+0x449/0x710 [ 4244.338001][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.338001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.338001][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.338001][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.338001][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.338001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.338001][ T10] [ 4244.339535][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4244.339535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4244.339535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4244.339535][ T10] ipv6_find_idev+0x102/0x170 [ 4244.339535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.339535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.339535][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.339535][ T10] netlink_unicast+0x449/0x710 [ 4244.339535][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.339535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.339535][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.339535][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.339535][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.339535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.339535][ T10] [ 4244.341189][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4244.341462][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4244.341462][ T10] netdev_get_by_index+0x5e/0x80 [ 4244.341462][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4244.341462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4244.341462][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4244.341462][ T10] ipv6_add_addr+0x411/0x2000 [ 4244.341462][ T10] inet6_addr_add+0x30e/0xa40 [ 4244.341462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4244.341462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.341462][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.341462][ T10] netlink_unicast+0x449/0x710 [ 4244.341462][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.341462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.341462][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.341462][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.341462][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.341462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.341462][ T10] [ 4244.343439][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4244.343439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4244.343439][ T10] ipv6_find_idev+0x102/0x170 [ 4244.343439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.343439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.343439][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.343439][ T10] netlink_unicast+0x449/0x710 [ 4244.343439][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.343439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.343439][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.343439][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.343439][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.343439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.343439][ T10] [ 4244.345018][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4244.345018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4244.345018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4244.345018][ T10] ipv6_find_idev+0x102/0x170 [ 4244.345018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.345018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.345018][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.345018][ T10] netlink_unicast+0x449/0x710 [ 4244.345018][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.345018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.345018][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.345018][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.345018][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.345018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.345018][ T10] [ 4244.347023][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4244.347338][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4244.347338][ T10] netdev_get_by_index+0x5e/0x80 [ 4244.347338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4244.347338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4244.347338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4244.347338][ T10] ipv6_add_addr+0x411/0x2000 [ 4244.347338][ T10] inet6_addr_add+0x30e/0xa40 [ 4244.347338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4244.347338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.347338][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.347338][ T10] netlink_unicast+0x449/0x710 [ 4244.347338][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.347338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.347338][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.347338][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.347338][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.347338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.347338][ T10] [ 4244.349491][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4244.349491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4244.349491][ T10] ipv6_find_idev+0x102/0x170 [ 4244.349491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.349491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.349491][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.349491][ T10] netlink_unicast+0x449/0x710 [ 4244.349491][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.349491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.349491][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.349491][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.349491][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.349491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.349491][ T10] [ 4244.351192][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4244.351192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4244.351192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4244.351192][ T10] ipv6_find_idev+0x102/0x170 [ 4244.351192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.351192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.351192][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.351192][ T10] netlink_unicast+0x449/0x710 [ 4244.351192][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.351192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.351192][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.351192][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.351192][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.351192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.351192][ T10] [ 4244.353062][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4244.353378][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4244.353378][ T10] netdev_get_by_index+0x5e/0x80 [ 4244.353378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4244.353378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4244.353378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4244.353378][ T10] ipv6_add_addr+0x411/0x2000 [ 4244.353378][ T10] inet6_addr_add+0x30e/0xa40 [ 4244.353378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4244.353378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.353378][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.353378][ T10] netlink_unicast+0x449/0x710 [ 4244.353378][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.353378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.353378][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.353378][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.353378][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.353378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.353378][ T10] [ 4244.355528][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4244.355528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4244.355528][ T10] ipv6_find_idev+0x102/0x170 [ 4244.355528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.355528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.355528][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.355528][ T10] netlink_unicast+0x449/0x710 [ 4244.355528][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.355528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.355528][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.355528][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.355528][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.355528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.355528][ T10] [ 4244.357285][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4244.357285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4244.357285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4244.357285][ T10] ipv6_find_idev+0x102/0x170 [ 4244.357285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4244.357285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4244.357285][ T10] netlink_rcv_skb+0x130/0x360 [ 4244.357285][ T10] netlink_unicast+0x449/0x710 [ 4244.357285][ T10] netlink_sendmsg+0x723/0xbe0 [ 4244.357285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4244.357285][ T10] ___sys_sendmsg+0xee/0x170 [ 4244.357285][ T10] __sys_sendmsg+0xcd/0x170 [ 4244.357285][ T10] do_syscall_64+0xc6/0x1e0 [ 4244.357285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4244.357285][ T10] [ 4254.824334][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4254.824792][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4254.824792][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.824792][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4254.824792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.824792][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4254.824792][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.824792][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.824792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.824792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.824792][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.824792][ T10] netlink_unicast+0x449/0x710 [ 4254.824792][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.824792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.824792][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.824792][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.824792][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.824792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.824792][ T10] [ 4254.826985][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4254.826985][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.826985][ T10] ipv6_find_idev+0x102/0x170 [ 4254.826985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.826985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.826985][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.826985][ T10] netlink_unicast+0x449/0x710 [ 4254.826985][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.826985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.826985][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.826985][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.826985][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.826985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.826985][ T10] [ 4254.828646][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4254.828646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.828646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.828646][ T10] ipv6_find_idev+0x102/0x170 [ 4254.828646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.828646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.828646][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.828646][ T10] netlink_unicast+0x449/0x710 [ 4254.828646][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.828646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.828646][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.828646][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.828646][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.828646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.828646][ T10] [ 4254.830481][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4254.830765][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4254.830765][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.830765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4254.830765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.830765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4254.830765][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.830765][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.830765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.830765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.830765][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.830765][ T10] netlink_unicast+0x449/0x710 [ 4254.830765][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.830765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.830765][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.830765][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.830765][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.830765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.830765][ T10] [ 4254.832935][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4254.832935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.832935][ T10] ipv6_find_idev+0x102/0x170 [ 4254.832935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.832935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.832935][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.832935][ T10] netlink_unicast+0x449/0x710 [ 4254.832935][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.832935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.832935][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.832935][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.832935][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.832935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.832935][ T10] [ 4254.834625][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4254.834625][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.834625][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.834625][ T10] ipv6_find_idev+0x102/0x170 [ 4254.834625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.834625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.834625][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.834625][ T10] netlink_unicast+0x449/0x710 [ 4254.834625][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.834625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.834625][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.834625][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.834625][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.834625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.834625][ T10] [ 4254.836470][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4254.836759][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4254.836759][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.836759][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4254.836759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.836759][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4254.836759][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.836759][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.836759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.836759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.836759][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.836759][ T10] netlink_unicast+0x449/0x710 [ 4254.836759][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.836759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.836759][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.836759][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.836759][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.836759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.836759][ T10] [ 4254.838957][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4254.838957][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.838957][ T10] ipv6_find_idev+0x102/0x170 [ 4254.838957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.838957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.838957][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.838957][ T10] netlink_unicast+0x449/0x710 [ 4254.838957][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.838957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.838957][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.838957][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.838957][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.838957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.838957][ T10] [ 4254.840639][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4254.840639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.840639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.840639][ T10] ipv6_find_idev+0x102/0x170 [ 4254.840639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.840639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.840639][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.840639][ T10] netlink_unicast+0x449/0x710 [ 4254.840639][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.840639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.840639][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.840639][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.840639][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.840639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.840639][ T10] [ 4254.842494][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4254.842778][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4254.842778][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.842778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4254.842778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.842778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4254.842778][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.842778][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.842778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.842778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.842778][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.842778][ T10] netlink_unicast+0x449/0x710 [ 4254.842778][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.842778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.842778][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.842778][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.842778][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.842778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.842778][ T10] [ 4254.844966][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4254.844966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.844966][ T10] ipv6_find_idev+0x102/0x170 [ 4254.844966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.844966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.844966][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.844966][ T10] netlink_unicast+0x449/0x710 [ 4254.844966][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.844966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.844966][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.844966][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.844966][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.844966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.844966][ T10] [ 4254.846635][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4254.846635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.846635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.846635][ T10] ipv6_find_idev+0x102/0x170 [ 4254.846635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.846635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.846635][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.846635][ T10] netlink_unicast+0x449/0x710 [ 4254.846635][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.846635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.846635][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.846635][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.846635][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.846635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.846635][ T10] [ 4254.848876][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4254.849513][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4254.849513][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.849513][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4254.849513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.849513][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4254.849513][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.849513][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.849513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.849513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.849513][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.849513][ T10] netlink_unicast+0x449/0x710 [ 4254.849513][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.849513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.849513][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.849513][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.849513][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.849513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.849513][ T10] [ 4254.851701][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4254.851701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.851701][ T10] ipv6_find_idev+0x102/0x170 [ 4254.851701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.851701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.851701][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.851701][ T10] netlink_unicast+0x449/0x710 [ 4254.851701][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.851701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.851701][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.851701][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.851701][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.851701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.851701][ T10] [ 4254.853383][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4254.853383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.853383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.853383][ T10] ipv6_find_idev+0x102/0x170 [ 4254.853383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.853383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.853383][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.853383][ T10] netlink_unicast+0x449/0x710 [ 4254.853383][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.853383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.853383][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.853383][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.853383][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.853383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.853383][ T10] [ 4254.855222][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4254.855511][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4254.855511][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.855511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4254.855511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.855511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4254.855511][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.855511][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.855511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.855511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.855511][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.855511][ T10] netlink_unicast+0x449/0x710 [ 4254.855511][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.855511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.855511][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.855511][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.855511][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.855511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.855511][ T10] [ 4254.857683][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4254.857683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.857683][ T10] ipv6_find_idev+0x102/0x170 [ 4254.857683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.857683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.857683][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.857683][ T10] netlink_unicast+0x449/0x710 [ 4254.857683][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.857683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.857683][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.857683][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.857683][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.857683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.857683][ T10] [ 4254.859423][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4254.859423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.859423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.859423][ T10] ipv6_find_idev+0x102/0x170 [ 4254.859423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.859423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.859423][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.859423][ T10] netlink_unicast+0x449/0x710 [ 4254.859423][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.859423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.859423][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.859423][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.859423][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.859423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.859423][ T10] [ 4254.861515][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4254.861839][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4254.861839][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.861839][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4254.861839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.861839][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4254.861839][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.861839][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.861839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.861839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.861839][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.861839][ T10] netlink_unicast+0x449/0x710 [ 4254.861839][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.861839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.861839][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.861839][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.861839][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.861839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.861839][ T10] [ 4254.864217][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4254.864217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.864217][ T10] ipv6_find_idev+0x102/0x170 [ 4254.864217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.864217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.864217][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.864217][ T10] netlink_unicast+0x449/0x710 [ 4254.864217][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.864217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.864217][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.864217][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.864217][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.864217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.864217][ T10] [ 4254.866067][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4254.866067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.866067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.866067][ T10] ipv6_find_idev+0x102/0x170 [ 4254.866067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.866067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.866067][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.866067][ T10] netlink_unicast+0x449/0x710 [ 4254.866067][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.866067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.866067][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.866067][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.866067][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.866067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.866067][ T10] [ 4254.868126][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4254.868469][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4254.868469][ T10] netdev_get_by_index+0x5e/0x80 [ 4254.868469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4254.868469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4254.868469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4254.868469][ T10] ipv6_add_addr+0x411/0x2000 [ 4254.868469][ T10] inet6_addr_add+0x30e/0xa40 [ 4254.868469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4254.868469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.868469][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.868469][ T10] netlink_unicast+0x449/0x710 [ 4254.868469][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.868469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.868469][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.868469][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.868469][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.868469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.868469][ T10] [ 4254.870828][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4254.870828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4254.870828][ T10] ipv6_find_idev+0x102/0x170 [ 4254.870828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.870828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.870828][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.870828][ T10] netlink_unicast+0x449/0x710 [ 4254.870828][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.870828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.870828][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.870828][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.870828][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.870828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.870828][ T10] [ 4254.872690][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4254.872690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4254.872690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4254.872690][ T10] ipv6_find_idev+0x102/0x170 [ 4254.872690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4254.872690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4254.872690][ T10] netlink_rcv_skb+0x130/0x360 [ 4254.872690][ T10] netlink_unicast+0x449/0x710 [ 4254.872690][ T10] netlink_sendmsg+0x723/0xbe0 [ 4254.872690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4254.872690][ T10] ___sys_sendmsg+0xee/0x170 [ 4254.872690][ T10] __sys_sendmsg+0xcd/0x170 [ 4254.872690][ T10] do_syscall_64+0xc6/0x1e0 [ 4254.872690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4254.872690][ T10] [ 4264.912238][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4264.912705][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4264.912705][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.912705][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4264.912705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.912705][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4264.912705][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.912705][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.912705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.912705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.912705][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.912705][ T10] netlink_unicast+0x449/0x710 [ 4264.912705][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.912705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.912705][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.912705][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.912705][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.912705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.912705][ T10] [ 4264.914678][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4264.914678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.914678][ T10] ipv6_find_idev+0x102/0x170 [ 4264.914678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.914678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.914678][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.914678][ T10] netlink_unicast+0x449/0x710 [ 4264.914678][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.914678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.914678][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.914678][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.914678][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.914678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.914678][ T10] [ 4264.916206][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4264.916206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.916206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.916206][ T10] ipv6_find_idev+0x102/0x170 [ 4264.916206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.916206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.916206][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.916206][ T10] netlink_unicast+0x449/0x710 [ 4264.916206][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.916206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.916206][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.916206][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.916206][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.916206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.916206][ T10] [ 4264.917885][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4264.918170][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4264.918170][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.918170][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4264.918170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.918170][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4264.918170][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.918170][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.918170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.918170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.918170][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.918170][ T10] netlink_unicast+0x449/0x710 [ 4264.918170][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.918170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.918170][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.918170][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.918170][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.918170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.918170][ T10] [ 4264.920128][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4264.920128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.920128][ T10] ipv6_find_idev+0x102/0x170 [ 4264.920128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.920128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.920128][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.920128][ T10] netlink_unicast+0x449/0x710 [ 4264.920128][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.920128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.920128][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.920128][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.920128][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.920128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.920128][ T10] [ 4264.921650][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4264.921650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.921650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.921650][ T10] ipv6_find_idev+0x102/0x170 [ 4264.921650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.921650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.921650][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.921650][ T10] netlink_unicast+0x449/0x710 [ 4264.921650][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.921650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.921650][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.921650][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.921650][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.921650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.921650][ T10] [ 4264.923309][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4264.923571][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4264.923571][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.923571][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4264.923571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.923571][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4264.923571][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.923571][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.923571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.923571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.923571][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.923571][ T10] netlink_unicast+0x449/0x710 [ 4264.923571][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.923571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.923571][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.923571][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.923571][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.923571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.923571][ T10] [ 4264.925548][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4264.925548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.925548][ T10] ipv6_find_idev+0x102/0x170 [ 4264.925548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.925548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.925548][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.925548][ T10] netlink_unicast+0x449/0x710 [ 4264.925548][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.925548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.925548][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.925548][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.925548][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.925548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.925548][ T10] [ 4264.927056][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4264.927056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.927056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.927056][ T10] ipv6_find_idev+0x102/0x170 [ 4264.927056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.927056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.927056][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.927056][ T10] netlink_unicast+0x449/0x710 [ 4264.927056][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.927056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.927056][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.927056][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.927056][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.927056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.927056][ T10] [ 4264.928723][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4264.928979][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4264.928979][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.928979][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4264.928979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.928979][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4264.928979][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.928979][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.928979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.928979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.928979][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.928979][ T10] netlink_unicast+0x449/0x710 [ 4264.928979][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.928979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.928979][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.928979][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.928979][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.928979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.928979][ T10] [ 4264.930944][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4264.930944][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.930944][ T10] ipv6_find_idev+0x102/0x170 [ 4264.930944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.930944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.930944][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.930944][ T10] netlink_unicast+0x449/0x710 [ 4264.930944][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.930944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.930944][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.930944][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.930944][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.930944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.930944][ T10] [ 4264.932476][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4264.932476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.932476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.932476][ T10] ipv6_find_idev+0x102/0x170 [ 4264.932476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.932476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.932476][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.932476][ T10] netlink_unicast+0x449/0x710 [ 4264.932476][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.932476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.932476][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.932476][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.932476][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.932476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.932476][ T10] [ 4264.934535][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4264.934794][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4264.934794][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.934794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4264.934794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.934794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4264.934794][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.934794][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.934794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.934794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.934794][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.934794][ T10] netlink_unicast+0x449/0x710 [ 4264.934794][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.934794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.934794][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.934794][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.934794][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.934794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.934794][ T10] [ 4264.936768][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4264.936768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.936768][ T10] ipv6_find_idev+0x102/0x170 [ 4264.936768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.936768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.936768][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.936768][ T10] netlink_unicast+0x449/0x710 [ 4264.936768][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.936768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.936768][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.936768][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.936768][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.936768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.936768][ T10] [ 4264.938281][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4264.938281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.938281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.938281][ T10] ipv6_find_idev+0x102/0x170 [ 4264.938281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.938281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.938281][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.938281][ T10] netlink_unicast+0x449/0x710 [ 4264.938281][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.938281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.938281][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.938281][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.938281][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.938281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.938281][ T10] [ 4264.939986][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4264.940297][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4264.940297][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.940297][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4264.940297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.940297][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4264.940297][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.940297][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.940297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.940297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.940297][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.940297][ T10] netlink_unicast+0x449/0x710 [ 4264.940297][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.940297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.940297][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.940297][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.940297][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.940297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.940297][ T10] [ 4264.942388][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4264.942388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.942388][ T10] ipv6_find_idev+0x102/0x170 [ 4264.942388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.942388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.942388][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.942388][ T10] netlink_unicast+0x449/0x710 [ 4264.942388][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.942388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.942388][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.942388][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.942388][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.942388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.942388][ T10] [ 4264.944135][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4264.944135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.944135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.944135][ T10] ipv6_find_idev+0x102/0x170 [ 4264.944135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.944135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.944135][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.944135][ T10] netlink_unicast+0x449/0x710 [ 4264.944135][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.944135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.944135][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.944135][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.944135][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.944135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.944135][ T10] [ 4264.946032][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4264.946345][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4264.946345][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.946345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4264.946345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.946345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4264.946345][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.946345][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.946345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.946345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.946345][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.946345][ T10] netlink_unicast+0x449/0x710 [ 4264.946345][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.946345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.946345][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.946345][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.946345][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.946345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.946345][ T10] [ 4264.948435][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4264.948435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.948435][ T10] ipv6_find_idev+0x102/0x170 [ 4264.948435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.948435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.948435][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.948435][ T10] netlink_unicast+0x449/0x710 [ 4264.948435][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.948435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.948435][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.948435][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.948435][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.948435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.948435][ T10] [ 4264.950147][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4264.950147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.950147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.950147][ T10] ipv6_find_idev+0x102/0x170 [ 4264.950147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.950147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.950147][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.950147][ T10] netlink_unicast+0x449/0x710 [ 4264.950147][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.950147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.950147][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.950147][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.950147][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.950147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.950147][ T10] [ 4264.952068][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4264.952378][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4264.952378][ T10] netdev_get_by_index+0x5e/0x80 [ 4264.952378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4264.952378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4264.952378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4264.952378][ T10] ipv6_add_addr+0x411/0x2000 [ 4264.952378][ T10] inet6_addr_add+0x30e/0xa40 [ 4264.952378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4264.952378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.952378][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.952378][ T10] netlink_unicast+0x449/0x710 [ 4264.952378][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.952378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.952378][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.952378][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.952378][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.952378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.952378][ T10] [ 4264.954613][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4264.954613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4264.954613][ T10] ipv6_find_idev+0x102/0x170 [ 4264.954613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.954613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.954613][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.954613][ T10] netlink_unicast+0x449/0x710 [ 4264.954613][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.954613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.954613][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.954613][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.954613][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.954613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.954613][ T10] [ 4264.956439][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4264.956439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4264.956439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4264.956439][ T10] ipv6_find_idev+0x102/0x170 [ 4264.956439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4264.956439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4264.956439][ T10] netlink_rcv_skb+0x130/0x360 [ 4264.956439][ T10] netlink_unicast+0x449/0x710 [ 4264.956439][ T10] netlink_sendmsg+0x723/0xbe0 [ 4264.956439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4264.956439][ T10] ___sys_sendmsg+0xee/0x170 [ 4264.956439][ T10] __sys_sendmsg+0xcd/0x170 [ 4264.956439][ T10] do_syscall_64+0xc6/0x1e0 [ 4264.956439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4264.956439][ T10] [ 4275.200262][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4275.200707][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4275.200707][ T10] netdev_get_by_index+0x5e/0x80 [ 4275.200707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4275.200707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4275.200707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4275.200707][ T10] ipv6_add_addr+0x411/0x2000 [ 4275.200707][ T10] inet6_addr_add+0x30e/0xa40 [ 4275.200707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.200707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.200707][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.200707][ T10] netlink_unicast+0x449/0x710 [ 4275.200707][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.200707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.200707][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.200707][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.200707][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.200707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.200707][ T10] [ 4275.202694][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4275.202694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4275.202694][ T10] ipv6_find_idev+0x102/0x170 [ 4275.202694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.202694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.202694][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.202694][ T10] netlink_unicast+0x449/0x710 [ 4275.202694][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.202694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.202694][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.202694][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.202694][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.202694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.202694][ T10] [ 4275.204216][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4275.204216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4275.204216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4275.204216][ T10] ipv6_find_idev+0x102/0x170 [ 4275.204216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.204216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.204216][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.204216][ T10] netlink_unicast+0x449/0x710 [ 4275.204216][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.204216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.204216][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.204216][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.204216][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.204216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.204216][ T10] [ 4275.205886][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4275.206201][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4275.206201][ T10] netdev_get_by_index+0x5e/0x80 [ 4275.206201][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4275.206201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4275.206201][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4275.206201][ T10] ipv6_add_addr+0x411/0x2000 [ 4275.206201][ T10] inet6_addr_add+0x30e/0xa40 [ 4275.206201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.206201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.206201][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.206201][ T10] netlink_unicast+0x449/0x710 [ 4275.206201][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.206201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.206201][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.206201][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.206201][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.206201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.206201][ T10] [ 4275.208169][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4275.208169][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4275.208169][ T10] ipv6_find_idev+0x102/0x170 [ 4275.208169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.208169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.208169][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.208169][ T10] netlink_unicast+0x449/0x710 [ 4275.208169][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.208169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.208169][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.208169][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.208169][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.208169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.208169][ T10] [ 4275.209688][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4275.209688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4275.209688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4275.209688][ T10] ipv6_find_idev+0x102/0x170 [ 4275.209688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.209688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.209688][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.209688][ T10] netlink_unicast+0x449/0x710 [ 4275.209688][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.209688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.209688][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.209688][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.209688][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.209688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.209688][ T10] [ 4275.211353][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4275.211619][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4275.211619][ T10] netdev_get_by_index+0x5e/0x80 [ 4275.211619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4275.211619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4275.211619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4275.211619][ T10] ipv6_add_addr+0x411/0x2000 [ 4275.211619][ T10] inet6_addr_add+0x30e/0xa40 [ 4275.211619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.211619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.211619][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.211619][ T10] netlink_unicast+0x449/0x710 [ 4275.211619][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.211619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.211619][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.211619][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.211619][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.211619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.211619][ T10] [ 4275.213586][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4275.213586][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4275.213586][ T10] ipv6_find_idev+0x102/0x170 [ 4275.213586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.213586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.213586][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.213586][ T10] netlink_unicast+0x449/0x710 [ 4275.213586][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.213586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.213586][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.213586][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.213586][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.213586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.213586][ T10] [ 4275.215106][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4275.215106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4275.215106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4275.215106][ T10] ipv6_find_idev+0x102/0x170 [ 4275.215106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.215106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.215106][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.215106][ T10] netlink_unicast+0x449/0x710 [ 4275.215106][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.215106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.215106][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.215106][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.215106][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.215106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.215106][ T10] [ 4275.216763][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4275.217023][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4275.217023][ T10] netdev_get_by_index+0x5e/0x80 [ 4275.217023][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4275.217023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4275.217023][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4275.217023][ T10] ipv6_add_addr+0x411/0x2000 [ 4275.217023][ T10] inet6_addr_add+0x30e/0xa40 [ 4275.217023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.217023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.217023][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.217023][ T10] netlink_unicast+0x449/0x710 [ 4275.217023][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.217023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.217023][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.217023][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.217023][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.217023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.217023][ T10] [ 4275.219001][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4275.219001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4275.219001][ T10] ipv6_find_idev+0x102/0x170 [ 4275.219001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.219001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.219001][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.219001][ T10] netlink_unicast+0x449/0x710 [ 4275.219001][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.219001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.219001][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.219001][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.219001][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.219001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.219001][ T10] [ 4275.220516][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4275.220516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4275.220516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4275.220516][ T10] ipv6_find_idev+0x102/0x170 [ 4275.220516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.220516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.220516][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.220516][ T10] netlink_unicast+0x449/0x710 [ 4275.220516][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.220516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.220516][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.220516][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.220516][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.220516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.220516][ T10] [ 4275.222220][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4275.222476][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4275.222476][ T10] netdev_get_by_index+0x5e/0x80 [ 4275.222476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4275.222476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4275.222476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4275.222476][ T10] ipv6_add_addr+0x411/0x2000 [ 4275.222476][ T10] inet6_addr_add+0x30e/0xa40 [ 4275.222476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.222476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.222476][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.222476][ T10] netlink_unicast+0x449/0x710 [ 4275.222476][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.222476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.222476][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.222476][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.222476][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.222476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.222476][ T10] [ 4275.224440][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4275.224440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4275.224440][ T10] ipv6_find_idev+0x102/0x170 [ 4275.224440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.224440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.224440][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.224440][ T10] netlink_unicast+0x449/0x710 [ 4275.224440][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.224440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.224440][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.224440][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.224440][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.224440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.224440][ T10] [ 4275.226025][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4275.226025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4275.226025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4275.226025][ T10] ipv6_find_idev+0x102/0x170 [ 4275.226025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.226025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.226025][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.226025][ T10] netlink_unicast+0x449/0x710 [ 4275.226025][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.226025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.226025][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.226025][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.226025][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.226025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.226025][ T10] [ 4275.227899][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4275.228210][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4275.228210][ T10] netdev_get_by_index+0x5e/0x80 [ 4275.228210][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4275.228210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4275.228210][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4275.228210][ T10] ipv6_add_addr+0x411/0x2000 [ 4275.228210][ T10] inet6_addr_add+0x30e/0xa40 [ 4275.228210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.228210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.228210][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.228210][ T10] netlink_unicast+0x449/0x710 [ 4275.228210][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.228210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.228210][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.228210][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.228210][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.228210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.228210][ T10] [ 4275.230417][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4275.230417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4275.230417][ T10] ipv6_find_idev+0x102/0x170 [ 4275.230417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.230417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.230417][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.230417][ T10] netlink_unicast+0x449/0x710 [ 4275.230417][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.230417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.230417][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.230417][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.230417][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.230417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.230417][ T10] [ 4275.232100][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4275.232100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4275.232100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4275.232100][ T10] ipv6_find_idev+0x102/0x170 [ 4275.232100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.232100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.232100][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.232100][ T10] netlink_unicast+0x449/0x710 [ 4275.232100][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.232100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.232100][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.232100][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.232100][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.232100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.232100][ T10] [ 4275.234022][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4275.234337][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4275.234337][ T10] netdev_get_by_index+0x5e/0x80 [ 4275.234337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4275.234337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4275.234337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4275.234337][ T10] ipv6_add_addr+0x411/0x2000 [ 4275.234337][ T10] inet6_addr_add+0x30e/0xa40 [ 4275.234337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.234337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.234337][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.234337][ T10] netlink_unicast+0x449/0x710 [ 4275.234337][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.234337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.234337][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.234337][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.234337][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.234337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.234337][ T10] [ 4275.236491][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4275.236491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4275.236491][ T10] ipv6_find_idev+0x102/0x170 [ 4275.236491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.236491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.236491][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.236491][ T10] netlink_unicast+0x449/0x710 [ 4275.236491][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.236491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.236491][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.236491][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.236491][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.236491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.236491][ T10] [ 4275.238184][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4275.238184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4275.238184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4275.238184][ T10] ipv6_find_idev+0x102/0x170 [ 4275.238184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.238184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.238184][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.238184][ T10] netlink_unicast+0x449/0x710 [ 4275.238184][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.238184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.238184][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.238184][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.238184][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.238184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.238184][ T10] [ 4275.240127][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4275.240395][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4275.240395][ T10] netdev_get_by_index+0x5e/0x80 [ 4275.240395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4275.240395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4275.240395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4275.240395][ T10] ipv6_add_addr+0x411/0x2000 [ 4275.240395][ T10] inet6_addr_add+0x30e/0xa40 [ 4275.240395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.240395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.240395][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.240395][ T10] netlink_unicast+0x449/0x710 [ 4275.240395][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.240395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.240395][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.240395][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.240395][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.240395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.240395][ T10] [ 4275.242529][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4275.242529][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4275.242529][ T10] ipv6_find_idev+0x102/0x170 [ 4275.242529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.242529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.242529][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.242529][ T10] netlink_unicast+0x449/0x710 [ 4275.242529][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.242529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.242529][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.242529][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.242529][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.242529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.242529][ T10] [ 4275.244211][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4275.244211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4275.244211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4275.244211][ T10] ipv6_find_idev+0x102/0x170 [ 4275.244211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.244211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.244211][ T10] netlink_rcv_skb+0x130/0x360 [ 4275.244211][ T10] netlink_unicast+0x449/0x710 [ 4275.244211][ T10] netlink_sendmsg+0x723/0xbe0 [ 4275.244211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4275.244211][ T10] ___sys_sendmsg+0xee/0x170 [ 4275.244211][ T10] __sys_sendmsg+0xcd/0x170 [ 4275.244211][ T10] do_syscall_64+0xc6/0x1e0 [ 4275.244211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.244211][ T10] [ 4285.488231][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4285.488701][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4285.488701][ T10] netdev_get_by_index+0x5e/0x80 [ 4285.488701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4285.488701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4285.488701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4285.488701][ T10] ipv6_add_addr+0x411/0x2000 [ 4285.488701][ T10] inet6_addr_add+0x30e/0xa40 [ 4285.488701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4285.488701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.488701][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.488701][ T10] netlink_unicast+0x449/0x710 [ 4285.488701][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.488701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.488701][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.488701][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.488701][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.488701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.488701][ T10] [ 4285.490778][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4285.490778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4285.490778][ T10] ipv6_find_idev+0x102/0x170 [ 4285.490778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.490778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.490778][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.490778][ T10] netlink_unicast+0x449/0x710 [ 4285.490778][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.490778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.490778][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.490778][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.490778][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.490778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.490778][ T10] [ 4285.492369][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4285.492369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4285.492369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4285.492369][ T10] ipv6_find_idev+0x102/0x170 [ 4285.492369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.492369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.492369][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.492369][ T10] netlink_unicast+0x449/0x710 [ 4285.492369][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.492369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.492369][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.492369][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.492369][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.492369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.492369][ T10] [ 4285.494120][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4285.494400][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4285.494400][ T10] netdev_get_by_index+0x5e/0x80 [ 4285.494400][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4285.494400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4285.494400][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4285.494400][ T10] ipv6_add_addr+0x411/0x2000 [ 4285.494400][ T10] inet6_addr_add+0x30e/0xa40 [ 4285.494400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4285.494400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.494400][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.494400][ T10] netlink_unicast+0x449/0x710 [ 4285.494400][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.494400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.494400][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.494400][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.494400][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.494400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.494400][ T10] [ 4285.496468][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4285.496468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4285.496468][ T10] ipv6_find_idev+0x102/0x170 [ 4285.496468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.496468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.496468][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.496468][ T10] netlink_unicast+0x449/0x710 [ 4285.496468][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.496468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.496468][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.496468][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.496468][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.496468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.496468][ T10] [ 4285.498061][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4285.498061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4285.498061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4285.498061][ T10] ipv6_find_idev+0x102/0x170 [ 4285.498061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.498061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.498061][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.498061][ T10] netlink_unicast+0x449/0x710 [ 4285.498061][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.498061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.498061][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.498061][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.498061][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.498061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.498061][ T10] [ 4285.499808][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4285.500086][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4285.500086][ T10] netdev_get_by_index+0x5e/0x80 [ 4285.500086][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4285.500086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4285.500086][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4285.500086][ T10] ipv6_add_addr+0x411/0x2000 [ 4285.500086][ T10] inet6_addr_add+0x30e/0xa40 [ 4285.500086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4285.500086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.500086][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.500086][ T10] netlink_unicast+0x449/0x710 [ 4285.500086][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.500086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.500086][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.500086][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.500086][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.500086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.500086][ T10] [ 4285.502141][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4285.502141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4285.502141][ T10] ipv6_find_idev+0x102/0x170 [ 4285.502141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.502141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.502141][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.502141][ T10] netlink_unicast+0x449/0x710 [ 4285.502141][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.502141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.502141][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.502141][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.502141][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.502141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.502141][ T10] [ 4285.503726][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4285.503726][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4285.503726][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4285.503726][ T10] ipv6_find_idev+0x102/0x170 [ 4285.503726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.503726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.503726][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.503726][ T10] netlink_unicast+0x449/0x710 [ 4285.503726][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.503726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.503726][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.503726][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.503726][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.503726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.503726][ T10] [ 4285.505479][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4285.505759][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4285.505759][ T10] netdev_get_by_index+0x5e/0x80 [ 4285.505759][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4285.505759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4285.505759][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4285.505759][ T10] ipv6_add_addr+0x411/0x2000 [ 4285.505759][ T10] inet6_addr_add+0x30e/0xa40 [ 4285.505759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4285.505759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.505759][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.505759][ T10] netlink_unicast+0x449/0x710 [ 4285.505759][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.505759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.505759][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.505759][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.505759][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.505759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.505759][ T10] [ 4285.507820][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4285.507820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4285.507820][ T10] ipv6_find_idev+0x102/0x170 [ 4285.507820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.507820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.507820][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.507820][ T10] netlink_unicast+0x449/0x710 [ 4285.507820][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.507820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.507820][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.507820][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.507820][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.507820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.507820][ T10] [ 4285.509405][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4285.509405][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4285.509405][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4285.509405][ T10] ipv6_find_idev+0x102/0x170 [ 4285.509405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.509405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.509405][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.509405][ T10] netlink_unicast+0x449/0x710 [ 4285.509405][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.509405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.509405][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.509405][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.509405][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.509405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.509405][ T10] [ 4285.511537][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4285.512662][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4285.512662][ T10] netdev_get_by_index+0x5e/0x80 [ 4285.512662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4285.512662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4285.512662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4285.512662][ T10] ipv6_add_addr+0x411/0x2000 [ 4285.512662][ T10] inet6_addr_add+0x30e/0xa40 [ 4285.512662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4285.512662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.512662][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.512662][ T10] netlink_unicast+0x449/0x710 [ 4285.512662][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.512662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.512662][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.512662][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.512662][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.512662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.512662][ T10] [ 4285.514710][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4285.514710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4285.514710][ T10] ipv6_find_idev+0x102/0x170 [ 4285.514710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.514710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.514710][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.514710][ T10] netlink_unicast+0x449/0x710 [ 4285.514710][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.514710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.514710][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.514710][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.514710][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.514710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.514710][ T10] [ 4285.516302][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4285.516302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4285.516302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4285.516302][ T10] ipv6_find_idev+0x102/0x170 [ 4285.516302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.516302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.516302][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.516302][ T10] netlink_unicast+0x449/0x710 [ 4285.516302][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.516302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.516302][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.516302][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.516302][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.516302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.516302][ T10] [ 4285.518033][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4285.518361][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4285.518361][ T10] netdev_get_by_index+0x5e/0x80 [ 4285.518361][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4285.518361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4285.518361][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4285.518361][ T10] ipv6_add_addr+0x411/0x2000 [ 4285.518361][ T10] inet6_addr_add+0x30e/0xa40 [ 4285.518361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4285.518361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.518361][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.518361][ T10] netlink_unicast+0x449/0x710 [ 4285.518361][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.518361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.518361][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.518361][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.518361][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.518361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.518361][ T10] [ 4285.520409][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4285.520409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4285.520409][ T10] ipv6_find_idev+0x102/0x170 [ 4285.520409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.520409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.520409][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.520409][ T10] netlink_unicast+0x449/0x710 [ 4285.520409][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.520409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.520409][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.520409][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.520409][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.520409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.520409][ T10] [ 4285.522051][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4285.522051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4285.522051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4285.522051][ T10] ipv6_find_idev+0x102/0x170 [ 4285.522051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.522051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.522051][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.522051][ T10] netlink_unicast+0x449/0x710 [ 4285.522051][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.522051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.522051][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.522051][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.522051][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.522051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.522051][ T10] [ 4285.523996][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4285.524316][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4285.524316][ T10] netdev_get_by_index+0x5e/0x80 [ 4285.524316][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4285.524316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4285.524316][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4285.524316][ T10] ipv6_add_addr+0x411/0x2000 [ 4285.524316][ T10] inet6_addr_add+0x30e/0xa40 [ 4285.524316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4285.524316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.524316][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.524316][ T10] netlink_unicast+0x449/0x710 [ 4285.524316][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.524316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.524316][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.524316][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.524316][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.524316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.524316][ T10] [ 4285.526615][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4285.526615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4285.526615][ T10] ipv6_find_idev+0x102/0x170 [ 4285.526615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.526615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.526615][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.526615][ T10] netlink_unicast+0x449/0x710 [ 4285.526615][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.526615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.526615][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.526615][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.526615][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.526615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.526615][ T10] [ 4285.528371][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4285.528371][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4285.528371][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4285.528371][ T10] ipv6_find_idev+0x102/0x170 [ 4285.528371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.528371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.528371][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.528371][ T10] netlink_unicast+0x449/0x710 [ 4285.528371][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.528371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.528371][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.528371][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.528371][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.528371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.528371][ T10] [ 4285.530307][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4285.530622][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4285.530622][ T10] netdev_get_by_index+0x5e/0x80 [ 4285.530622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4285.530622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4285.530622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4285.530622][ T10] ipv6_add_addr+0x411/0x2000 [ 4285.530622][ T10] inet6_addr_add+0x30e/0xa40 [ 4285.530622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4285.530622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.530622][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.530622][ T10] netlink_unicast+0x449/0x710 [ 4285.530622][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.530622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.530622][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.530622][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.530622][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.530622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.530622][ T10] [ 4285.532850][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4285.532850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4285.532850][ T10] ipv6_find_idev+0x102/0x170 [ 4285.532850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.532850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.532850][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.532850][ T10] netlink_unicast+0x449/0x710 [ 4285.532850][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.532850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.532850][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.532850][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.532850][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.532850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.532850][ T10] [ 4285.534604][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4285.534604][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4285.534604][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4285.534604][ T10] ipv6_find_idev+0x102/0x170 [ 4285.534604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4285.534604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4285.534604][ T10] netlink_rcv_skb+0x130/0x360 [ 4285.534604][ T10] netlink_unicast+0x449/0x710 [ 4285.534604][ T10] netlink_sendmsg+0x723/0xbe0 [ 4285.534604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4285.534604][ T10] ___sys_sendmsg+0xee/0x170 [ 4285.534604][ T10] __sys_sendmsg+0xcd/0x170 [ 4285.534604][ T10] do_syscall_64+0xc6/0x1e0 [ 4285.534604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4285.534604][ T10] [ 4295.792238][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4295.792707][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4295.792707][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.792707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4295.792707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.792707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4295.792707][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.792707][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.792707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.792707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.792707][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.792707][ T10] netlink_unicast+0x449/0x710 [ 4295.792707][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.792707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.792707][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.792707][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.792707][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.792707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.792707][ T10] [ 4295.794768][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4295.794768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.794768][ T10] ipv6_find_idev+0x102/0x170 [ 4295.794768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.794768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.794768][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.794768][ T10] netlink_unicast+0x449/0x710 [ 4295.794768][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.794768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.794768][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.794768][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.794768][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.794768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.794768][ T10] [ 4295.796357][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4295.796357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.796357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.796357][ T10] ipv6_find_idev+0x102/0x170 [ 4295.796357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.796357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.796357][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.796357][ T10] netlink_unicast+0x449/0x710 [ 4295.796357][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.796357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.796357][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.796357][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.796357][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.796357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.796357][ T10] [ 4295.798108][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4295.798395][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4295.798395][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.798395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4295.798395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.798395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4295.798395][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.798395][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.798395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.798395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.798395][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.798395][ T10] netlink_unicast+0x449/0x710 [ 4295.798395][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.798395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.798395][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.798395][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.798395][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.798395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.798395][ T10] [ 4295.800441][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4295.800441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.800441][ T10] ipv6_find_idev+0x102/0x170 [ 4295.800441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.800441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.800441][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.800441][ T10] netlink_unicast+0x449/0x710 [ 4295.800441][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.800441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.800441][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.800441][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.800441][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.800441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.800441][ T10] [ 4295.802020][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4295.802020][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.802020][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.802020][ T10] ipv6_find_idev+0x102/0x170 [ 4295.802020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.802020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.802020][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.802020][ T10] netlink_unicast+0x449/0x710 [ 4295.802020][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.802020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.802020][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.802020][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.802020][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.802020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.802020][ T10] [ 4295.803741][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4295.804013][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4295.804013][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.804013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4295.804013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.804013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4295.804013][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.804013][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.804013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.804013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.804013][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.804013][ T10] netlink_unicast+0x449/0x710 [ 4295.804013][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.804013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.804013][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.804013][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.804013][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.804013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.804013][ T10] [ 4295.806065][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4295.806065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.806065][ T10] ipv6_find_idev+0x102/0x170 [ 4295.806065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.806065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.806065][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.806065][ T10] netlink_unicast+0x449/0x710 [ 4295.806065][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.806065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.806065][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.806065][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.806065][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.806065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.806065][ T10] [ 4295.807658][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4295.807658][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.807658][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.807658][ T10] ipv6_find_idev+0x102/0x170 [ 4295.807658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.807658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.807658][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.807658][ T10] netlink_unicast+0x449/0x710 [ 4295.807658][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.807658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.807658][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.807658][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.807658][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.807658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.807658][ T10] [ 4295.809387][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4295.809654][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4295.809654][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.809654][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4295.809654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.809654][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4295.809654][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.809654][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.809654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.809654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.809654][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.809654][ T10] netlink_unicast+0x449/0x710 [ 4295.809654][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.809654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.809654][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.809654][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.809654][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.809654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.809654][ T10] [ 4295.811698][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4295.811698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.811698][ T10] ipv6_find_idev+0x102/0x170 [ 4295.811698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.811698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.811698][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.811698][ T10] netlink_unicast+0x449/0x710 [ 4295.811698][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.811698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.811698][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.811698][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.811698][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.811698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.811698][ T10] [ 4295.813281][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4295.813281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.813281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.813281][ T10] ipv6_find_idev+0x102/0x170 [ 4295.813281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.813281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.813281][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.813281][ T10] netlink_unicast+0x449/0x710 [ 4295.813281][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.813281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.813281][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.813281][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.813281][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.813281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.813281][ T10] [ 4295.815417][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4295.815685][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4295.815685][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.815685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4295.815685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.815685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4295.815685][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.815685][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.815685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.815685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.815685][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.815685][ T10] netlink_unicast+0x449/0x710 [ 4295.815685][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.815685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.815685][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.815685][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.815685][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.815685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.815685][ T10] [ 4295.817737][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4295.817737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.817737][ T10] ipv6_find_idev+0x102/0x170 [ 4295.817737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.817737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.817737][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.817737][ T10] netlink_unicast+0x449/0x710 [ 4295.817737][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.817737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.817737][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.817737][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.817737][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.817737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.817737][ T10] [ 4295.819330][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4295.819330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.819330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.819330][ T10] ipv6_find_idev+0x102/0x170 [ 4295.819330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.819330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.819330][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.819330][ T10] netlink_unicast+0x449/0x710 [ 4295.819330][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.819330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.819330][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.819330][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.819330][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.819330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.819330][ T10] [ 4295.821114][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4295.821391][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4295.821391][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.821391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4295.821391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.821391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4295.821391][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.821391][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.821391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.821391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.821391][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.821391][ T10] netlink_unicast+0x449/0x710 [ 4295.821391][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.821391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.821391][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.821391][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.821391][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.821391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.821391][ T10] [ 4295.823556][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4295.823556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.823556][ T10] ipv6_find_idev+0x102/0x170 [ 4295.823556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.823556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.823556][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.823556][ T10] netlink_unicast+0x449/0x710 [ 4295.823556][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.823556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.823556][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.823556][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.823556][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.823556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.823556][ T10] [ 4295.825323][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4295.825323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.825323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.825323][ T10] ipv6_find_idev+0x102/0x170 [ 4295.825323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.825323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.825323][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.825323][ T10] netlink_unicast+0x449/0x710 [ 4295.825323][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.825323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.825323][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.825323][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.825323][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.825323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.825323][ T10] [ 4295.827408][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4295.827674][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4295.827674][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.827674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4295.827674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.827674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4295.827674][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.827674][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.827674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.827674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.827674][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.827674][ T10] netlink_unicast+0x449/0x710 [ 4295.827674][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.827674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.827674][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.827674][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.827674][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.827674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.827674][ T10] [ 4295.829900][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4295.829900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.829900][ T10] ipv6_find_idev+0x102/0x170 [ 4295.829900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.829900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.829900][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.829900][ T10] netlink_unicast+0x449/0x710 [ 4295.829900][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.829900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.829900][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.829900][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.829900][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.829900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.829900][ T10] [ 4295.831656][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4295.831656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.831656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.831656][ T10] ipv6_find_idev+0x102/0x170 [ 4295.831656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.831656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.831656][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.831656][ T10] netlink_unicast+0x449/0x710 [ 4295.831656][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.831656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.831656][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.831656][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.831656][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.831656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.831656][ T10] [ 4295.833708][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4295.833983][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4295.833983][ T10] netdev_get_by_index+0x5e/0x80 [ 4295.833983][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4295.833983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4295.833983][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4295.833983][ T10] ipv6_add_addr+0x411/0x2000 [ 4295.833983][ T10] inet6_addr_add+0x30e/0xa40 [ 4295.833983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4295.833983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.833983][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.833983][ T10] netlink_unicast+0x449/0x710 [ 4295.833983][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.833983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.833983][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.833983][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.833983][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.833983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.833983][ T10] [ 4295.836216][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4295.836216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4295.836216][ T10] ipv6_find_idev+0x102/0x170 [ 4295.836216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.836216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.836216][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.836216][ T10] netlink_unicast+0x449/0x710 [ 4295.836216][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.836216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.836216][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.836216][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.836216][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.836216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.836216][ T10] [ 4295.838038][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4295.838038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4295.838038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4295.838038][ T10] ipv6_find_idev+0x102/0x170 [ 4295.838038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4295.838038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4295.838038][ T10] netlink_rcv_skb+0x130/0x360 [ 4295.838038][ T10] netlink_unicast+0x449/0x710 [ 4295.838038][ T10] netlink_sendmsg+0x723/0xbe0 [ 4295.838038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4295.838038][ T10] ___sys_sendmsg+0xee/0x170 [ 4295.838038][ T10] __sys_sendmsg+0xcd/0x170 [ 4295.838038][ T10] do_syscall_64+0xc6/0x1e0 [ 4295.838038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4295.838038][ T10] [ 4302.104254][ T42] INFO: task modprobe:14771 blocked for more than 1228 seconds. [ 4302.104585][ T42] Not tainted 6.8.0-virtme #1 [ 4302.104718][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4302.104939][ T42] task:modprobe state:D stack:25856 pid:14771 tgid:14771 ppid:36 flags:0x00004002 [ 4302.105222][ T42] Call Trace: [ 4302.105321][ T42] [ 4302.105392][ T42] __schedule+0x705/0x1ac0 [ 4302.105529][ T42] ? __pfx___schedule+0x10/0x10 [ 4302.105661][ T42] ? schedule+0x1a5/0x210 [ 4302.105760][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 4302.105892][ T42] ? mark_lock+0x38/0x3e0 [ 4302.105990][ T42] ? do_raw_spin_lock+0x131/0x270 [ 4302.106137][ T42] ? schedule+0x1a5/0x210 [ 4302.106239][ T42] schedule+0xdf/0x210 [ 4302.106338][ T42] schedule_preempt_disabled+0x15/0x30 [ 4302.106467][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 4302.106600][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 4302.106770][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 4302.106906][ T42] ? lock_acquire+0x1c1/0x220 [ 4302.107033][ T42] ? register_pernet_subsys+0x1a/0x50 [ 4302.107182][ T42] down_write+0x1c9/0x200 [ 4302.107285][ T42] ? __pfx_down_write+0x10/0x10 [ 4302.107414][ T42] ? __lock_release+0x103/0x460 [ 4302.107541][ T42] ? __create_object+0x5e/0xb0 [ 4302.107670][ T42] ? __pfx___lock_release+0x10/0x10 [ 4302.107801][ T42] register_pernet_subsys+0x1a/0x50 [ 4302.107932][ T42] tcf_register_action+0xa3/0x600 [ 4302.108063][ T42] ? __pfx_pedit_init_module+0x10/0x10 [act_pedit] [ 4302.108238][ T42] do_one_initcall+0xc8/0x3f0 [ 4302.108368][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 4302.108502][ T42] ? __create_object+0x5e/0xb0 [ 4302.108632][ T42] ? kasan_unpoison+0x27/0x60 [ 4302.108764][ T42] do_init_module+0x233/0x740 [ 4302.108904][ T42] load_module+0x16b5/0x2350 [ 4302.109050][ T42] ? __pfx_load_module+0x10/0x10 [ 4302.109199][ T42] ? kernel_read_file+0x3d2/0x520 [ 4302.109345][ T42] ? kernel_read_file+0x300/0x520 [ 4302.109479][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 4302.109617][ T42] ? init_module_from_file+0xd2/0x130 [ 4302.109744][ T42] init_module_from_file+0xd2/0x130 [ 4302.109882][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 4302.110040][ T42] ? __lock_release+0x103/0x460 [ 4302.110175][ T42] ? idempotent_init_module+0x32a/0x620 [ 4302.110313][ T42] ? idempotent_init_module+0x32a/0x620 [ 4302.110444][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 4302.110574][ T42] idempotent_init_module+0x342/0x620 [ 4302.110710][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 4302.110887][ T42] __x64_sys_finit_module+0xbe/0x130 [ 4302.111016][ T42] do_syscall_64+0xc6/0x1e0 [ 4302.111158][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4302.111318][ T42] RIP: 0033:0x7f9f7563de5d [ 4302.111453][ T42] RSP: 002b:00007ffe3a6850f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 4302.111660][ T42] RAX: ffffffffffffffda RBX: 0000558501133c00 RCX: 00007f9f7563de5d [ 4302.111848][ T42] RDX: 0000000000000000 RSI: 00005584c204fa2a RDI: 0000000000000000 [ 4302.112037][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffe3a685230 [ 4302.112236][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584c204fa2a [ 4302.112431][ T42] R13: 0000558501133b10 R14: 0000558501133f40 R15: 0000558501133c72 [ 4302.112631][ T42] [ 4302.112729][ T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 4302.112941][ T42] [ 4302.112941][ T42] Showing all locks held in the system: [ 4302.113143][ T42] 3 locks held by kworker/u16:0/10: [ 4302.113267][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 4302.113530][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 4302.113752][ T42] #2: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 4302.113986][ T42] 2 locks held by kworker/u17:0/36: [ 4302.114117][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 4302.114375][ T42] #1: ffffc90000297da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 4302.114660][ T42] 1 lock held by khungtaskd/42: [ 4302.114790][ T42] #0: ffffffff96f69160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 4302.115024][ T42] 1 lock held by modprobe/14771: [ 4302.115155][ T42] #0: ffffffff9776bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 4302.115413][ T42] [ 4302.115480][ T42] ============================================= [ 4302.115480][ T42] [ 4306.080225][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4306.080696][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4306.080696][ T10] netdev_get_by_index+0x5e/0x80 [ 4306.080696][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4306.080696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4306.080696][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4306.080696][ T10] ipv6_add_addr+0x411/0x2000 [ 4306.080696][ T10] inet6_addr_add+0x30e/0xa40 [ 4306.080696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.080696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.080696][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.080696][ T10] netlink_unicast+0x449/0x710 [ 4306.080696][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.080696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.080696][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.080696][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.080696][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.080696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.080696][ T10] [ 4306.082891][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4306.082891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4306.082891][ T10] ipv6_find_idev+0x102/0x170 [ 4306.082891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.082891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.082891][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.082891][ T10] netlink_unicast+0x449/0x710 [ 4306.082891][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.082891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.082891][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.082891][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.082891][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.082891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.082891][ T10] [ 4306.084491][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4306.084491][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4306.084491][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4306.084491][ T10] ipv6_find_idev+0x102/0x170 [ 4306.084491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.084491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.084491][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.084491][ T10] netlink_unicast+0x449/0x710 [ 4306.084491][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.084491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.084491][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.084491][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.084491][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.084491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.084491][ T10] [ 4306.086279][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4306.086559][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4306.086559][ T10] netdev_get_by_index+0x5e/0x80 [ 4306.086559][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4306.086559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4306.086559][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4306.086559][ T10] ipv6_add_addr+0x411/0x2000 [ 4306.086559][ T10] inet6_addr_add+0x30e/0xa40 [ 4306.086559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.086559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.086559][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.086559][ T10] netlink_unicast+0x449/0x710 [ 4306.086559][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.086559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.086559][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.086559][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.086559][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.086559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.086559][ T10] [ 4306.088634][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4306.088634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4306.088634][ T10] ipv6_find_idev+0x102/0x170 [ 4306.088634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.088634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.088634][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.088634][ T10] netlink_unicast+0x449/0x710 [ 4306.088634][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.088634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.088634][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.088634][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.088634][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.088634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.088634][ T10] [ 4306.090255][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4306.090255][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4306.090255][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4306.090255][ T10] ipv6_find_idev+0x102/0x170 [ 4306.090255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.090255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.090255][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.090255][ T10] netlink_unicast+0x449/0x710 [ 4306.090255][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.090255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.090255][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.090255][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.090255][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.090255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.090255][ T10] [ 4306.092046][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4306.092338][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4306.092338][ T10] netdev_get_by_index+0x5e/0x80 [ 4306.092338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4306.092338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4306.092338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4306.092338][ T10] ipv6_add_addr+0x411/0x2000 [ 4306.092338][ T10] inet6_addr_add+0x30e/0xa40 [ 4306.092338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.092338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.092338][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.092338][ T10] netlink_unicast+0x449/0x710 [ 4306.092338][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.092338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.092338][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.092338][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.092338][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.092338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.092338][ T10] [ 4306.094425][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4306.094425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4306.094425][ T10] ipv6_find_idev+0x102/0x170 [ 4306.094425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.094425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.094425][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.094425][ T10] netlink_unicast+0x449/0x710 [ 4306.094425][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.094425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.094425][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.094425][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.094425][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.094425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.094425][ T10] [ 4306.096052][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4306.096052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4306.096052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4306.096052][ T10] ipv6_find_idev+0x102/0x170 [ 4306.096052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.096052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.096052][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.096052][ T10] netlink_unicast+0x449/0x710 [ 4306.096052][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.096052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.096052][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.096052][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.096052][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.096052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.096052][ T10] [ 4306.097813][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4306.098087][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4306.098087][ T10] netdev_get_by_index+0x5e/0x80 [ 4306.098087][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4306.098087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4306.098087][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4306.098087][ T10] ipv6_add_addr+0x411/0x2000 [ 4306.098087][ T10] inet6_addr_add+0x30e/0xa40 [ 4306.098087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.098087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.098087][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.098087][ T10] netlink_unicast+0x449/0x710 [ 4306.098087][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.098087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.098087][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.098087][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.098087][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.098087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.098087][ T10] [ 4306.100173][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4306.100173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4306.100173][ T10] ipv6_find_idev+0x102/0x170 [ 4306.100173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.100173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.100173][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.100173][ T10] netlink_unicast+0x449/0x710 [ 4306.100173][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.100173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.100173][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.100173][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.100173][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.100173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.100173][ T10] [ 4306.101772][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4306.101772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4306.101772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4306.101772][ T10] ipv6_find_idev+0x102/0x170 [ 4306.101772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.101772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.101772][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.101772][ T10] netlink_unicast+0x449/0x710 [ 4306.101772][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.101772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.101772][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.101772][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.101772][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.101772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.101772][ T10] [ 4306.103929][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4306.104540][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4306.104540][ T10] netdev_get_by_index+0x5e/0x80 [ 4306.104540][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4306.104540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4306.104540][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4306.104540][ T10] ipv6_add_addr+0x411/0x2000 [ 4306.104540][ T10] inet6_addr_add+0x30e/0xa40 [ 4306.104540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.104540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.104540][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.104540][ T10] netlink_unicast+0x449/0x710 [ 4306.104540][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.104540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.104540][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.104540][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.104540][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.104540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.104540][ T10] [ 4306.106634][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4306.106634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4306.106634][ T10] ipv6_find_idev+0x102/0x170 [ 4306.106634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.106634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.106634][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.106634][ T10] netlink_unicast+0x449/0x710 [ 4306.106634][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.106634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.106634][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.106634][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.106634][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.106634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.106634][ T10] [ 4306.108245][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4306.108245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4306.108245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4306.108245][ T10] ipv6_find_idev+0x102/0x170 [ 4306.108245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.108245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.108245][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.108245][ T10] netlink_unicast+0x449/0x710 [ 4306.108245][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.108245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.108245][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.108245][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.108245][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.108245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.108245][ T10] [ 4306.109997][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4306.110331][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4306.110331][ T10] netdev_get_by_index+0x5e/0x80 [ 4306.110331][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4306.110331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4306.110331][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4306.110331][ T10] ipv6_add_addr+0x411/0x2000 [ 4306.110331][ T10] inet6_addr_add+0x30e/0xa40 [ 4306.110331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.110331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.110331][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.110331][ T10] netlink_unicast+0x449/0x710 [ 4306.110331][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.110331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.110331][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.110331][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.110331][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.110331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.110331][ T10] [ 4306.112404][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4306.112404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4306.112404][ T10] ipv6_find_idev+0x102/0x170 [ 4306.112404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.112404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.112404][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.112404][ T10] netlink_unicast+0x449/0x710 [ 4306.112404][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.112404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.112404][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.112404][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.112404][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.112404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.112404][ T10] [ 4306.114067][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4306.114067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4306.114067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4306.114067][ T10] ipv6_find_idev+0x102/0x170 [ 4306.114067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.114067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.114067][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.114067][ T10] netlink_unicast+0x449/0x710 [ 4306.114067][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.114067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.114067][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.114067][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.114067][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.114067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.114067][ T10] [ 4306.116057][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4306.116386][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4306.116386][ T10] netdev_get_by_index+0x5e/0x80 [ 4306.116386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4306.116386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4306.116386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4306.116386][ T10] ipv6_add_addr+0x411/0x2000 [ 4306.116386][ T10] inet6_addr_add+0x30e/0xa40 [ 4306.116386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.116386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.116386][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.116386][ T10] netlink_unicast+0x449/0x710 [ 4306.116386][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.116386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.116386][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.116386][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.116386][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.116386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.116386][ T10] [ 4306.118635][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4306.118635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4306.118635][ T10] ipv6_find_idev+0x102/0x170 [ 4306.118635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.118635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.118635][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.118635][ T10] netlink_unicast+0x449/0x710 [ 4306.118635][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.118635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.118635][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.118635][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.118635][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.118635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.118635][ T10] [ 4306.120489][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4306.120489][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4306.120489][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4306.120489][ T10] ipv6_find_idev+0x102/0x170 [ 4306.120489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.120489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.120489][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.120489][ T10] netlink_unicast+0x449/0x710 [ 4306.120489][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.120489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.120489][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.120489][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.120489][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.120489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.120489][ T10] [ 4306.122468][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4306.122794][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4306.122794][ T10] netdev_get_by_index+0x5e/0x80 [ 4306.122794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4306.122794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4306.122794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4306.122794][ T10] ipv6_add_addr+0x411/0x2000 [ 4306.122794][ T10] inet6_addr_add+0x30e/0xa40 [ 4306.122794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.122794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.122794][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.122794][ T10] netlink_unicast+0x449/0x710 [ 4306.122794][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.122794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.122794][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.122794][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.122794][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.122794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.122794][ T10] [ 4306.125059][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4306.125059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4306.125059][ T10] ipv6_find_idev+0x102/0x170 [ 4306.125059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.125059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.125059][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.125059][ T10] netlink_unicast+0x449/0x710 [ 4306.125059][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.125059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.125059][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.125059][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.125059][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.125059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.125059][ T10] [ 4306.126845][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4306.126845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4306.126845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4306.126845][ T10] ipv6_find_idev+0x102/0x170 [ 4306.126845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.126845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.126845][ T10] netlink_rcv_skb+0x130/0x360 [ 4306.126845][ T10] netlink_unicast+0x449/0x710 [ 4306.126845][ T10] netlink_sendmsg+0x723/0xbe0 [ 4306.126845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4306.126845][ T10] ___sys_sendmsg+0xee/0x170 [ 4306.126845][ T10] __sys_sendmsg+0xcd/0x170 [ 4306.126845][ T10] do_syscall_64+0xc6/0x1e0 [ 4306.126845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.126845][ T10] [ 4316.360226][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4316.360705][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4316.360705][ T10] netdev_get_by_index+0x5e/0x80 [ 4316.360705][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4316.360705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4316.360705][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4316.360705][ T10] ipv6_add_addr+0x411/0x2000 [ 4316.360705][ T10] inet6_addr_add+0x30e/0xa40 [ 4316.360705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.360705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.360705][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.360705][ T10] netlink_unicast+0x449/0x710 [ 4316.360705][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.360705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.360705][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.360705][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.360705][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.360705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.360705][ T10] [ 4316.362810][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4316.362810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4316.362810][ T10] ipv6_find_idev+0x102/0x170 [ 4316.362810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.362810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.362810][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.362810][ T10] netlink_unicast+0x449/0x710 [ 4316.362810][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.362810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.362810][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.362810][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.362810][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.362810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.362810][ T10] [ 4316.364415][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4316.364415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4316.364415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4316.364415][ T10] ipv6_find_idev+0x102/0x170 [ 4316.364415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.364415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.364415][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.364415][ T10] netlink_unicast+0x449/0x710 [ 4316.364415][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.364415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.364415][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.364415][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.364415][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.364415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.364415][ T10] [ 4316.366221][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4316.366499][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4316.366499][ T10] netdev_get_by_index+0x5e/0x80 [ 4316.366499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4316.366499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4316.366499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4316.366499][ T10] ipv6_add_addr+0x411/0x2000 [ 4316.366499][ T10] inet6_addr_add+0x30e/0xa40 [ 4316.366499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.366499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.366499][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.366499][ T10] netlink_unicast+0x449/0x710 [ 4316.366499][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.366499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.366499][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.366499][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.366499][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.366499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.366499][ T10] [ 4316.368577][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4316.368577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4316.368577][ T10] ipv6_find_idev+0x102/0x170 [ 4316.368577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.368577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.368577][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.368577][ T10] netlink_unicast+0x449/0x710 [ 4316.368577][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.368577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.368577][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.368577][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.368577][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.368577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.368577][ T10] [ 4316.370184][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4316.370184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4316.370184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4316.370184][ T10] ipv6_find_idev+0x102/0x170 [ 4316.370184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.370184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.370184][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.370184][ T10] netlink_unicast+0x449/0x710 [ 4316.370184][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.370184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.370184][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.370184][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.370184][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.370184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.370184][ T10] [ 4316.371945][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4316.372229][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4316.372229][ T10] netdev_get_by_index+0x5e/0x80 [ 4316.372229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4316.372229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4316.372229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4316.372229][ T10] ipv6_add_addr+0x411/0x2000 [ 4316.372229][ T10] inet6_addr_add+0x30e/0xa40 [ 4316.372229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.372229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.372229][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.372229][ T10] netlink_unicast+0x449/0x710 [ 4316.372229][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.372229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.372229][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.372229][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.372229][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.372229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.372229][ T10] [ 4316.374321][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4316.374321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4316.374321][ T10] ipv6_find_idev+0x102/0x170 [ 4316.374321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.374321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.374321][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.374321][ T10] netlink_unicast+0x449/0x710 [ 4316.374321][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.374321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.374321][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.374321][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.374321][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.374321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.374321][ T10] [ 4316.375930][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4316.375930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4316.375930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4316.375930][ T10] ipv6_find_idev+0x102/0x170 [ 4316.375930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.375930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.375930][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.375930][ T10] netlink_unicast+0x449/0x710 [ 4316.375930][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.375930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.375930][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.375930][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.375930][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.375930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.375930][ T10] [ 4316.377708][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4316.377980][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4316.377980][ T10] netdev_get_by_index+0x5e/0x80 [ 4316.377980][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4316.377980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4316.377980][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4316.377980][ T10] ipv6_add_addr+0x411/0x2000 [ 4316.377980][ T10] inet6_addr_add+0x30e/0xa40 [ 4316.377980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.377980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.377980][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.377980][ T10] netlink_unicast+0x449/0x710 [ 4316.377980][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.377980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.377980][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.377980][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.377980][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.377980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.377980][ T10] [ 4316.380065][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4316.380065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4316.380065][ T10] ipv6_find_idev+0x102/0x170 [ 4316.380065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.380065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.380065][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.380065][ T10] netlink_unicast+0x449/0x710 [ 4316.380065][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.380065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.380065][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.380065][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.380065][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.380065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.380065][ T10] [ 4316.381665][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4316.381665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4316.381665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4316.381665][ T10] ipv6_find_idev+0x102/0x170 [ 4316.381665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.381665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.381665][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.381665][ T10] netlink_unicast+0x449/0x710 [ 4316.381665][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.381665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.381665][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.381665][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.381665][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.381665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.381665][ T10] [ 4316.383821][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4316.384445][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4316.384445][ T10] netdev_get_by_index+0x5e/0x80 [ 4316.384445][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4316.384445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4316.384445][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4316.384445][ T10] ipv6_add_addr+0x411/0x2000 [ 4316.384445][ T10] inet6_addr_add+0x30e/0xa40 [ 4316.384445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.384445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.384445][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.384445][ T10] netlink_unicast+0x449/0x710 [ 4316.384445][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.384445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.384445][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.384445][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.384445][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.384445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.384445][ T10] [ 4316.386523][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4316.386523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4316.386523][ T10] ipv6_find_idev+0x102/0x170 [ 4316.386523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.386523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.386523][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.386523][ T10] netlink_unicast+0x449/0x710 [ 4316.386523][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.386523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.386523][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.386523][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.386523][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.386523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.386523][ T10] [ 4316.388117][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4316.388117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4316.388117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4316.388117][ T10] ipv6_find_idev+0x102/0x170 [ 4316.388117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.388117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.388117][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.388117][ T10] netlink_unicast+0x449/0x710 [ 4316.388117][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.388117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.388117][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.388117][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.388117][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.388117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.388117][ T10] [ 4316.389871][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4316.390204][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4316.390204][ T10] netdev_get_by_index+0x5e/0x80 [ 4316.390204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4316.390204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4316.390204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4316.390204][ T10] ipv6_add_addr+0x411/0x2000 [ 4316.390204][ T10] inet6_addr_add+0x30e/0xa40 [ 4316.390204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.390204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.390204][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.390204][ T10] netlink_unicast+0x449/0x710 [ 4316.390204][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.390204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.390204][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.390204][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.390204][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.390204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.390204][ T10] [ 4316.392287][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4316.392287][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4316.392287][ T10] ipv6_find_idev+0x102/0x170 [ 4316.392287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.392287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.392287][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.392287][ T10] netlink_unicast+0x449/0x710 [ 4316.392287][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.392287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.392287][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.392287][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.392287][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.392287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.392287][ T10] [ 4316.393949][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4316.393949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4316.393949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4316.393949][ T10] ipv6_find_idev+0x102/0x170 [ 4316.393949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.393949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.393949][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.393949][ T10] netlink_unicast+0x449/0x710 [ 4316.393949][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.393949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.393949][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.393949][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.393949][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.393949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.393949][ T10] [ 4316.395999][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4316.396328][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4316.396328][ T10] netdev_get_by_index+0x5e/0x80 [ 4316.396328][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4316.396328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4316.396328][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4316.396328][ T10] ipv6_add_addr+0x411/0x2000 [ 4316.396328][ T10] inet6_addr_add+0x30e/0xa40 [ 4316.396328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.396328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.396328][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.396328][ T10] netlink_unicast+0x449/0x710 [ 4316.396328][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.396328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.396328][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.396328][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.396328][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.396328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.396328][ T10] [ 4316.398587][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4316.398587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4316.398587][ T10] ipv6_find_idev+0x102/0x170 [ 4316.398587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.398587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.398587][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.398587][ T10] netlink_unicast+0x449/0x710 [ 4316.398587][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.398587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.398587][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.398587][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.398587][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.398587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.398587][ T10] [ 4316.400358][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4316.400358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4316.400358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4316.400358][ T10] ipv6_find_idev+0x102/0x170 [ 4316.400358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.400358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.400358][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.400358][ T10] netlink_unicast+0x449/0x710 [ 4316.400358][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.400358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.400358][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.400358][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.400358][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.400358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.400358][ T10] [ 4316.402320][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4316.402640][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4316.402640][ T10] netdev_get_by_index+0x5e/0x80 [ 4316.402640][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4316.402640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4316.402640][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4316.402640][ T10] ipv6_add_addr+0x411/0x2000 [ 4316.402640][ T10] inet6_addr_add+0x30e/0xa40 [ 4316.402640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.402640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.402640][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.402640][ T10] netlink_unicast+0x449/0x710 [ 4316.402640][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.402640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.402640][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.402640][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.402640][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.402640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.402640][ T10] [ 4316.404905][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4316.404905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4316.404905][ T10] ipv6_find_idev+0x102/0x170 [ 4316.404905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.404905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.404905][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.404905][ T10] netlink_unicast+0x449/0x710 [ 4316.404905][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.404905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.404905][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.404905][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.404905][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.404905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.404905][ T10] [ 4316.406690][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4316.406690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4316.406690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4316.406690][ T10] ipv6_find_idev+0x102/0x170 [ 4316.406690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.406690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.406690][ T10] netlink_rcv_skb+0x130/0x360 [ 4316.406690][ T10] netlink_unicast+0x449/0x710 [ 4316.406690][ T10] netlink_sendmsg+0x723/0xbe0 [ 4316.406690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4316.406690][ T10] ___sys_sendmsg+0xee/0x170 [ 4316.406690][ T10] __sys_sendmsg+0xcd/0x170 [ 4316.406690][ T10] do_syscall_64+0xc6/0x1e0 [ 4316.406690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.406690][ T10] [ 4326.648323][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4326.648797][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4326.648797][ T10] netdev_get_by_index+0x5e/0x80 [ 4326.648797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4326.648797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4326.648797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4326.648797][ T10] ipv6_add_addr+0x411/0x2000 [ 4326.648797][ T10] inet6_addr_add+0x30e/0xa40 [ 4326.648797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.648797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.648797][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.648797][ T10] netlink_unicast+0x449/0x710 [ 4326.648797][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.648797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.648797][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.648797][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.648797][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.648797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.648797][ T10] [ 4326.650917][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4326.650917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4326.650917][ T10] ipv6_find_idev+0x102/0x170 [ 4326.650917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.650917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.650917][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.650917][ T10] netlink_unicast+0x449/0x710 [ 4326.650917][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.650917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.650917][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.650917][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.650917][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.650917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.650917][ T10] [ 4326.652544][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4326.652544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4326.652544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4326.652544][ T10] ipv6_find_idev+0x102/0x170 [ 4326.652544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.652544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.652544][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.652544][ T10] netlink_unicast+0x449/0x710 [ 4326.652544][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.652544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.652544][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.652544][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.652544][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.652544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.652544][ T10] [ 4326.654358][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4326.654648][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4326.654648][ T10] netdev_get_by_index+0x5e/0x80 [ 4326.654648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4326.654648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4326.654648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4326.654648][ T10] ipv6_add_addr+0x411/0x2000 [ 4326.654648][ T10] inet6_addr_add+0x30e/0xa40 [ 4326.654648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.654648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.654648][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.654648][ T10] netlink_unicast+0x449/0x710 [ 4326.654648][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.654648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.654648][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.654648][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.654648][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.654648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.654648][ T10] [ 4326.656741][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4326.656741][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4326.656741][ T10] ipv6_find_idev+0x102/0x170 [ 4326.656741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.656741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.656741][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.656741][ T10] netlink_unicast+0x449/0x710 [ 4326.656741][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.656741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.656741][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.656741][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.656741][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.656741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.656741][ T10] [ 4326.658366][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4326.658366][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4326.658366][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4326.658366][ T10] ipv6_find_idev+0x102/0x170 [ 4326.658366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.658366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.658366][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.658366][ T10] netlink_unicast+0x449/0x710 [ 4326.658366][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.658366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.658366][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.658366][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.658366][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.658366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.658366][ T10] [ 4326.660135][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4326.660411][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4326.660411][ T10] netdev_get_by_index+0x5e/0x80 [ 4326.660411][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4326.660411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4326.660411][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4326.660411][ T10] ipv6_add_addr+0x411/0x2000 [ 4326.660411][ T10] inet6_addr_add+0x30e/0xa40 [ 4326.660411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.660411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.660411][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.660411][ T10] netlink_unicast+0x449/0x710 [ 4326.660411][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.660411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.660411][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.660411][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.660411][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.660411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.660411][ T10] [ 4326.662497][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4326.662497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4326.662497][ T10] ipv6_find_idev+0x102/0x170 [ 4326.662497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.662497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.662497][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.662497][ T10] netlink_unicast+0x449/0x710 [ 4326.662497][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.662497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.662497][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.662497][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.662497][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.662497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.662497][ T10] [ 4326.664107][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4326.664107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4326.664107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4326.664107][ T10] ipv6_find_idev+0x102/0x170 [ 4326.664107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.664107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.664107][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.664107][ T10] netlink_unicast+0x449/0x710 [ 4326.664107][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.664107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.664107][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.664107][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.664107][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.664107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.664107][ T10] [ 4326.665875][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4326.666612][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4326.666612][ T10] netdev_get_by_index+0x5e/0x80 [ 4326.666612][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4326.666612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4326.666612][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4326.666612][ T10] ipv6_add_addr+0x411/0x2000 [ 4326.666612][ T10] inet6_addr_add+0x30e/0xa40 [ 4326.666612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.666612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.666612][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.666612][ T10] netlink_unicast+0x449/0x710 [ 4326.666612][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.666612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.666612][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.666612][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.666612][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.666612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.666612][ T10] [ 4326.668716][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4326.668716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4326.668716][ T10] ipv6_find_idev+0x102/0x170 [ 4326.668716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.668716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.668716][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.668716][ T10] netlink_unicast+0x449/0x710 [ 4326.668716][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.668716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.668716][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.668716][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.668716][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.668716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.668716][ T10] [ 4326.670317][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4326.670317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4326.670317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4326.670317][ T10] ipv6_find_idev+0x102/0x170 [ 4326.670317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.670317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.670317][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.670317][ T10] netlink_unicast+0x449/0x710 [ 4326.670317][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.670317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.670317][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.670317][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.670317][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.670317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.670317][ T10] [ 4326.672123][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4326.672440][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4326.672440][ T10] netdev_get_by_index+0x5e/0x80 [ 4326.672440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4326.672440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4326.672440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4326.672440][ T10] ipv6_add_addr+0x411/0x2000 [ 4326.672440][ T10] inet6_addr_add+0x30e/0xa40 [ 4326.672440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.672440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.672440][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.672440][ T10] netlink_unicast+0x449/0x710 [ 4326.672440][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.672440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.672440][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.672440][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.672440][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.672440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.672440][ T10] [ 4326.674526][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4326.674526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4326.674526][ T10] ipv6_find_idev+0x102/0x170 [ 4326.674526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.674526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.674526][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.674526][ T10] netlink_unicast+0x449/0x710 [ 4326.674526][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.674526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.674526][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.674526][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.674526][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.674526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.674526][ T10] [ 4326.676133][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4326.676133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4326.676133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4326.676133][ T10] ipv6_find_idev+0x102/0x170 [ 4326.676133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.676133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.676133][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.676133][ T10] netlink_unicast+0x449/0x710 [ 4326.676133][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.676133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.676133][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.676133][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.676133][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.676133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.676133][ T10] [ 4326.677926][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4326.678259][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4326.678259][ T10] netdev_get_by_index+0x5e/0x80 [ 4326.678259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4326.678259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4326.678259][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4326.678259][ T10] ipv6_add_addr+0x411/0x2000 [ 4326.678259][ T10] inet6_addr_add+0x30e/0xa40 [ 4326.678259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.678259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.678259][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.678259][ T10] netlink_unicast+0x449/0x710 [ 4326.678259][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.678259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.678259][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.678259][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.678259][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.678259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.678259][ T10] [ 4326.680368][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4326.680368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4326.680368][ T10] ipv6_find_idev+0x102/0x170 [ 4326.680368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.680368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.680368][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.680368][ T10] netlink_unicast+0x449/0x710 [ 4326.680368][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.680368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.680368][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.680368][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.680368][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.680368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.680368][ T10] [ 4326.682149][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4326.682149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4326.682149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4326.682149][ T10] ipv6_find_idev+0x102/0x170 [ 4326.682149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.682149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.682149][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.682149][ T10] netlink_unicast+0x449/0x710 [ 4326.682149][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.682149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.682149][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.682149][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.682149][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.682149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.682149][ T10] [ 4326.684215][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4326.684548][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4326.684548][ T10] netdev_get_by_index+0x5e/0x80 [ 4326.684548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4326.684548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4326.684548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4326.684548][ T10] ipv6_add_addr+0x411/0x2000 [ 4326.684548][ T10] inet6_addr_add+0x30e/0xa40 [ 4326.684548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.684548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.684548][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.684548][ T10] netlink_unicast+0x449/0x710 [ 4326.684548][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.684548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.684548][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.684548][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.684548][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.684548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.684548][ T10] [ 4326.686865][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4326.686865][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4326.686865][ T10] ipv6_find_idev+0x102/0x170 [ 4326.686865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.686865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.686865][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.686865][ T10] netlink_unicast+0x449/0x710 [ 4326.686865][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.686865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.686865][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.686865][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.686865][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.686865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.686865][ T10] [ 4326.688652][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4326.688652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4326.688652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4326.688652][ T10] ipv6_find_idev+0x102/0x170 [ 4326.688652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.688652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.688652][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.688652][ T10] netlink_unicast+0x449/0x710 [ 4326.688652][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.688652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.688652][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.688652][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.688652][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.688652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.688652][ T10] [ 4326.690602][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4326.690932][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4326.690932][ T10] netdev_get_by_index+0x5e/0x80 [ 4326.690932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4326.690932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4326.690932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4326.690932][ T10] ipv6_add_addr+0x411/0x2000 [ 4326.690932][ T10] inet6_addr_add+0x30e/0xa40 [ 4326.690932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.690932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.690932][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.690932][ T10] netlink_unicast+0x449/0x710 [ 4326.690932][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.690932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.690932][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.690932][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.690932][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.690932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.690932][ T10] [ 4326.693192][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4326.693192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4326.693192][ T10] ipv6_find_idev+0x102/0x170 [ 4326.693192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.693192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.693192][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.693192][ T10] netlink_unicast+0x449/0x710 [ 4326.693192][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.693192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.693192][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.693192][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.693192][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.693192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.693192][ T10] [ 4326.694984][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4326.694984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4326.694984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4326.694984][ T10] ipv6_find_idev+0x102/0x170 [ 4326.694984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.694984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.694984][ T10] netlink_rcv_skb+0x130/0x360 [ 4326.694984][ T10] netlink_unicast+0x449/0x710 [ 4326.694984][ T10] netlink_sendmsg+0x723/0xbe0 [ 4326.694984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4326.694984][ T10] ___sys_sendmsg+0xee/0x170 [ 4326.694984][ T10] __sys_sendmsg+0xcd/0x170 [ 4326.694984][ T10] do_syscall_64+0xc6/0x1e0 [ 4326.694984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.694984][ T10] [ 4336.720232][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4336.720628][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4336.720628][ T10] netdev_get_by_index+0x5e/0x80 [ 4336.720628][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4336.720628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4336.720628][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4336.720628][ T10] ipv6_add_addr+0x411/0x2000 [ 4336.720628][ T10] inet6_addr_add+0x30e/0xa40 [ 4336.720628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4336.720628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.720628][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.720628][ T10] netlink_unicast+0x449/0x710 [ 4336.720628][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.720628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.720628][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.720628][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.720628][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.720628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.720628][ T10] [ 4336.722707][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4336.722707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4336.722707][ T10] ipv6_find_idev+0x102/0x170 [ 4336.722707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.722707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.722707][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.722707][ T10] netlink_unicast+0x449/0x710 [ 4336.722707][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.722707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.722707][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.722707][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.722707][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.722707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.722707][ T10] [ 4336.724295][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4336.724295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4336.724295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4336.724295][ T10] ipv6_find_idev+0x102/0x170 [ 4336.724295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.724295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.724295][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.724295][ T10] netlink_unicast+0x449/0x710 [ 4336.724295][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.724295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.724295][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.724295][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.724295][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.724295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.724295][ T10] [ 4336.726047][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4336.726343][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4336.726343][ T10] netdev_get_by_index+0x5e/0x80 [ 4336.726343][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4336.726343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4336.726343][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4336.726343][ T10] ipv6_add_addr+0x411/0x2000 [ 4336.726343][ T10] inet6_addr_add+0x30e/0xa40 [ 4336.726343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4336.726343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.726343][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.726343][ T10] netlink_unicast+0x449/0x710 [ 4336.726343][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.726343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.726343][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.726343][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.726343][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.726343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.726343][ T10] [ 4336.728416][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4336.728416][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4336.728416][ T10] ipv6_find_idev+0x102/0x170 [ 4336.728416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.728416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.728416][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.728416][ T10] netlink_unicast+0x449/0x710 [ 4336.728416][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.728416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.728416][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.728416][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.728416][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.728416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.728416][ T10] [ 4336.730511][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4336.730511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4336.730511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4336.730511][ T10] ipv6_find_idev+0x102/0x170 [ 4336.730511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.730511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.730511][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.730511][ T10] netlink_unicast+0x449/0x710 [ 4336.730511][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.730511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.730511][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.730511][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.730511][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.730511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.730511][ T10] [ 4336.732247][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4336.732524][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4336.732524][ T10] netdev_get_by_index+0x5e/0x80 [ 4336.732524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4336.732524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4336.732524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4336.732524][ T10] ipv6_add_addr+0x411/0x2000 [ 4336.732524][ T10] inet6_addr_add+0x30e/0xa40 [ 4336.732524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4336.732524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.732524][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.732524][ T10] netlink_unicast+0x449/0x710 [ 4336.732524][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.732524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.732524][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.732524][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.732524][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.732524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.732524][ T10] [ 4336.734565][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4336.734565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4336.734565][ T10] ipv6_find_idev+0x102/0x170 [ 4336.734565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.734565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.734565][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.734565][ T10] netlink_unicast+0x449/0x710 [ 4336.734565][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.734565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.734565][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.734565][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.734565][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.734565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.734565][ T10] [ 4336.736159][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4336.736159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4336.736159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4336.736159][ T10] ipv6_find_idev+0x102/0x170 [ 4336.736159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.736159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.736159][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.736159][ T10] netlink_unicast+0x449/0x710 [ 4336.736159][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.736159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.736159][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.736159][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.736159][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.736159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.736159][ T10] [ 4336.737879][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4336.738596][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4336.738596][ T10] netdev_get_by_index+0x5e/0x80 [ 4336.738596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4336.738596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4336.738596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4336.738596][ T10] ipv6_add_addr+0x411/0x2000 [ 4336.738596][ T10] inet6_addr_add+0x30e/0xa40 [ 4336.738596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4336.738596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.738596][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.738596][ T10] netlink_unicast+0x449/0x710 [ 4336.738596][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.738596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.738596][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.738596][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.738596][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.738596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.738596][ T10] [ 4336.740651][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4336.740651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4336.740651][ T10] ipv6_find_idev+0x102/0x170 [ 4336.740651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.740651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.740651][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.740651][ T10] netlink_unicast+0x449/0x710 [ 4336.740651][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.740651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.740651][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.740651][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.740651][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.740651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.740651][ T10] [ 4336.742217][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4336.742217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4336.742217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4336.742217][ T10] ipv6_find_idev+0x102/0x170 [ 4336.742217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.742217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.742217][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.742217][ T10] netlink_unicast+0x449/0x710 [ 4336.742217][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.742217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.742217][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.742217][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.742217][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.742217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.742217][ T10] [ 4336.743974][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4336.744292][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4336.744292][ T10] netdev_get_by_index+0x5e/0x80 [ 4336.744292][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4336.744292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4336.744292][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4336.744292][ T10] ipv6_add_addr+0x411/0x2000 [ 4336.744292][ T10] inet6_addr_add+0x30e/0xa40 [ 4336.744292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4336.744292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.744292][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.744292][ T10] netlink_unicast+0x449/0x710 [ 4336.744292][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.744292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.744292][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.744292][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.744292][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.744292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.744292][ T10] [ 4336.746349][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4336.746349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4336.746349][ T10] ipv6_find_idev+0x102/0x170 [ 4336.746349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.746349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.746349][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.746349][ T10] netlink_unicast+0x449/0x710 [ 4336.746349][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.746349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.746349][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.746349][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.746349][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.746349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.746349][ T10] [ 4336.747930][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4336.747930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4336.747930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4336.747930][ T10] ipv6_find_idev+0x102/0x170 [ 4336.747930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.747930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.747930][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.747930][ T10] netlink_unicast+0x449/0x710 [ 4336.747930][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.747930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.747930][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.747930][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.747930][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.747930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.747930][ T10] [ 4336.749684][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4336.749952][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4336.749952][ T10] netdev_get_by_index+0x5e/0x80 [ 4336.749952][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4336.749952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4336.749952][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4336.749952][ T10] ipv6_add_addr+0x411/0x2000 [ 4336.749952][ T10] inet6_addr_add+0x30e/0xa40 [ 4336.749952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4336.749952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.749952][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.749952][ T10] netlink_unicast+0x449/0x710 [ 4336.749952][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.749952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.749952][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.749952][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.749952][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.749952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.749952][ T10] [ 4336.752127][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4336.752127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4336.752127][ T10] ipv6_find_idev+0x102/0x170 [ 4336.752127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.752127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.752127][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.752127][ T10] netlink_unicast+0x449/0x710 [ 4336.752127][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.752127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.752127][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.752127][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.752127][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.752127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.752127][ T10] [ 4336.753813][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4336.753813][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4336.753813][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4336.753813][ T10] ipv6_find_idev+0x102/0x170 [ 4336.753813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.753813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.753813][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.753813][ T10] netlink_unicast+0x449/0x710 [ 4336.753813][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.753813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.753813][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.753813][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.753813][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.753813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.753813][ T10] [ 4336.755826][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4336.756106][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4336.756106][ T10] netdev_get_by_index+0x5e/0x80 [ 4336.756106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4336.756106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4336.756106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4336.756106][ T10] ipv6_add_addr+0x411/0x2000 [ 4336.756106][ T10] inet6_addr_add+0x30e/0xa40 [ 4336.756106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4336.756106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.756106][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.756106][ T10] netlink_unicast+0x449/0x710 [ 4336.756106][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.756106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.756106][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.756106][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.756106][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.756106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.756106][ T10] [ 4336.758396][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4336.758396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4336.758396][ T10] ipv6_find_idev+0x102/0x170 [ 4336.758396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.758396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.758396][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.758396][ T10] netlink_unicast+0x449/0x710 [ 4336.758396][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.758396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.758396][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.758396][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.758396][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.758396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.758396][ T10] [ 4336.760147][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4336.760147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4336.760147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4336.760147][ T10] ipv6_find_idev+0x102/0x170 [ 4336.760147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.760147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.760147][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.760147][ T10] netlink_unicast+0x449/0x710 [ 4336.760147][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.760147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.760147][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.760147][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.760147][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.760147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.760147][ T10] [ 4336.762151][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4336.762424][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4336.762424][ T10] netdev_get_by_index+0x5e/0x80 [ 4336.762424][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4336.762424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4336.762424][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4336.762424][ T10] ipv6_add_addr+0x411/0x2000 [ 4336.762424][ T10] inet6_addr_add+0x30e/0xa40 [ 4336.762424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4336.762424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.762424][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.762424][ T10] netlink_unicast+0x449/0x710 [ 4336.762424][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.762424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.762424][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.762424][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.762424][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.762424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.762424][ T10] [ 4336.764654][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4336.764654][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4336.764654][ T10] ipv6_find_idev+0x102/0x170 [ 4336.764654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.764654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.764654][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.764654][ T10] netlink_unicast+0x449/0x710 [ 4336.764654][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.764654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.764654][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.764654][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.764654][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.764654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.764654][ T10] [ 4336.766413][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4336.766413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4336.766413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4336.766413][ T10] ipv6_find_idev+0x102/0x170 [ 4336.766413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4336.766413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4336.766413][ T10] netlink_rcv_skb+0x130/0x360 [ 4336.766413][ T10] netlink_unicast+0x449/0x710 [ 4336.766413][ T10] netlink_sendmsg+0x723/0xbe0 [ 4336.766413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4336.766413][ T10] ___sys_sendmsg+0xee/0x170 [ 4336.766413][ T10] __sys_sendmsg+0xcd/0x170 [ 4336.766413][ T10] do_syscall_64+0xc6/0x1e0 [ 4336.766413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4336.766413][ T10] [ 4347.008230][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4347.008694][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4347.008694][ T10] netdev_get_by_index+0x5e/0x80 [ 4347.008694][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4347.008694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4347.008694][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4347.008694][ T10] ipv6_add_addr+0x411/0x2000 [ 4347.008694][ T10] inet6_addr_add+0x30e/0xa40 [ 4347.008694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.008694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.008694][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.008694][ T10] netlink_unicast+0x449/0x710 [ 4347.008694][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.008694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.008694][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.008694][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.008694][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.008694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.008694][ T10] [ 4347.010806][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4347.010806][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4347.010806][ T10] ipv6_find_idev+0x102/0x170 [ 4347.010806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.010806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.010806][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.010806][ T10] netlink_unicast+0x449/0x710 [ 4347.010806][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.010806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.010806][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.010806][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.010806][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.010806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.010806][ T10] [ 4347.012402][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4347.012402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4347.012402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4347.012402][ T10] ipv6_find_idev+0x102/0x170 [ 4347.012402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.012402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.012402][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.012402][ T10] netlink_unicast+0x449/0x710 [ 4347.012402][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.012402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.012402][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.012402][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.012402][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.012402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.012402][ T10] [ 4347.014172][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4347.014471][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4347.014471][ T10] netdev_get_by_index+0x5e/0x80 [ 4347.014471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4347.014471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4347.014471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4347.014471][ T10] ipv6_add_addr+0x411/0x2000 [ 4347.014471][ T10] inet6_addr_add+0x30e/0xa40 [ 4347.014471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.014471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.014471][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.014471][ T10] netlink_unicast+0x449/0x710 [ 4347.014471][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.014471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.014471][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.014471][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.014471][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.014471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.014471][ T10] [ 4347.016554][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4347.016554][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4347.016554][ T10] ipv6_find_idev+0x102/0x170 [ 4347.016554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.016554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.016554][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.016554][ T10] netlink_unicast+0x449/0x710 [ 4347.016554][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.016554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.016554][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.016554][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.016554][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.016554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.016554][ T10] [ 4347.018149][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4347.018149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4347.018149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4347.018149][ T10] ipv6_find_idev+0x102/0x170 [ 4347.018149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.018149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.018149][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.018149][ T10] netlink_unicast+0x449/0x710 [ 4347.018149][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.018149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.018149][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.018149][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.018149][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.018149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.018149][ T10] [ 4347.019894][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4347.020175][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4347.020175][ T10] netdev_get_by_index+0x5e/0x80 [ 4347.020175][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4347.020175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4347.020175][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4347.020175][ T10] ipv6_add_addr+0x411/0x2000 [ 4347.020175][ T10] inet6_addr_add+0x30e/0xa40 [ 4347.020175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.020175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.020175][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.020175][ T10] netlink_unicast+0x449/0x710 [ 4347.020175][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.020175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.020175][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.020175][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.020175][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.020175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.020175][ T10] [ 4347.022232][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4347.022232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4347.022232][ T10] ipv6_find_idev+0x102/0x170 [ 4347.022232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.022232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.022232][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.022232][ T10] netlink_unicast+0x449/0x710 [ 4347.022232][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.022232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.022232][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.022232][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.022232][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.022232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.022232][ T10] [ 4347.023834][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4347.023834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4347.023834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4347.023834][ T10] ipv6_find_idev+0x102/0x170 [ 4347.023834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.023834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.023834][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.023834][ T10] netlink_unicast+0x449/0x710 [ 4347.023834][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.023834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.023834][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.023834][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.023834][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.023834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.023834][ T10] [ 4347.025599][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4347.025878][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4347.025878][ T10] netdev_get_by_index+0x5e/0x80 [ 4347.025878][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4347.025878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4347.025878][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4347.025878][ T10] ipv6_add_addr+0x411/0x2000 [ 4347.025878][ T10] inet6_addr_add+0x30e/0xa40 [ 4347.025878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.025878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.025878][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.025878][ T10] netlink_unicast+0x449/0x710 [ 4347.025878][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.025878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.025878][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.025878][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.025878][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.025878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.025878][ T10] [ 4347.027916][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4347.027916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4347.027916][ T10] ipv6_find_idev+0x102/0x170 [ 4347.027916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.027916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.027916][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.027916][ T10] netlink_unicast+0x449/0x710 [ 4347.027916][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.027916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.027916][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.027916][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.027916][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.027916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.027916][ T10] [ 4347.029493][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4347.029493][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4347.029493][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4347.029493][ T10] ipv6_find_idev+0x102/0x170 [ 4347.029493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.029493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.029493][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.029493][ T10] netlink_unicast+0x449/0x710 [ 4347.029493][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.029493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.029493][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.029493][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.029493][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.029493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.029493][ T10] [ 4347.031658][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4347.031928][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4347.031928][ T10] netdev_get_by_index+0x5e/0x80 [ 4347.031928][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4347.031928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4347.031928][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4347.031928][ T10] ipv6_add_addr+0x411/0x2000 [ 4347.031928][ T10] inet6_addr_add+0x30e/0xa40 [ 4347.031928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.031928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.031928][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.031928][ T10] netlink_unicast+0x449/0x710 [ 4347.031928][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.031928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.031928][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.031928][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.031928][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.031928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.031928][ T10] [ 4347.033976][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4347.033976][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4347.033976][ T10] ipv6_find_idev+0x102/0x170 [ 4347.033976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.033976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.033976][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.033976][ T10] netlink_unicast+0x449/0x710 [ 4347.033976][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.033976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.033976][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.033976][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.033976][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.033976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.033976][ T10] [ 4347.035555][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4347.035555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4347.035555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4347.035555][ T10] ipv6_find_idev+0x102/0x170 [ 4347.035555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.035555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.035555][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.035555][ T10] netlink_unicast+0x449/0x710 [ 4347.035555][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.035555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.035555][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.035555][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.035555][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.035555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.035555][ T10] [ 4347.037338][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4347.037614][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4347.037614][ T10] netdev_get_by_index+0x5e/0x80 [ 4347.037614][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4347.037614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4347.037614][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4347.037614][ T10] ipv6_add_addr+0x411/0x2000 [ 4347.037614][ T10] inet6_addr_add+0x30e/0xa40 [ 4347.037614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.037614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.037614][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.037614][ T10] netlink_unicast+0x449/0x710 [ 4347.037614][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.037614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.037614][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.037614][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.037614][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.037614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.037614][ T10] [ 4347.039846][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4347.039846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4347.039846][ T10] ipv6_find_idev+0x102/0x170 [ 4347.039846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.039846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.039846][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.039846][ T10] netlink_unicast+0x449/0x710 [ 4347.039846][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.039846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.039846][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.039846][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.039846][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.039846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.039846][ T10] [ 4347.041679][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4347.041679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4347.041679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4347.041679][ T10] ipv6_find_idev+0x102/0x170 [ 4347.041679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.041679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.041679][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.041679][ T10] netlink_unicast+0x449/0x710 [ 4347.041679][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.041679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.041679][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.041679][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.041679][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.041679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.041679][ T10] [ 4347.043627][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4347.043907][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4347.043907][ T10] netdev_get_by_index+0x5e/0x80 [ 4347.043907][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4347.043907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4347.043907][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4347.043907][ T10] ipv6_add_addr+0x411/0x2000 [ 4347.043907][ T10] inet6_addr_add+0x30e/0xa40 [ 4347.043907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.043907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.043907][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.043907][ T10] netlink_unicast+0x449/0x710 [ 4347.043907][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.043907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.043907][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.043907][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.043907][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.043907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.043907][ T10] [ 4347.046222][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4347.046222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4347.046222][ T10] ipv6_find_idev+0x102/0x170 [ 4347.046222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.046222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.046222][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.046222][ T10] netlink_unicast+0x449/0x710 [ 4347.046222][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.046222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.046222][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.046222][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.046222][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.046222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.046222][ T10] [ 4347.047994][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4347.047994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4347.047994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4347.047994][ T10] ipv6_find_idev+0x102/0x170 [ 4347.047994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.047994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.047994][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.047994][ T10] netlink_unicast+0x449/0x710 [ 4347.047994][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.047994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.047994][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.047994][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.047994][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.047994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.047994][ T10] [ 4347.049951][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4347.050285][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4347.050285][ T10] netdev_get_by_index+0x5e/0x80 [ 4347.050285][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4347.050285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4347.050285][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4347.050285][ T10] ipv6_add_addr+0x411/0x2000 [ 4347.050285][ T10] inet6_addr_add+0x30e/0xa40 [ 4347.050285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.050285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.050285][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.050285][ T10] netlink_unicast+0x449/0x710 [ 4347.050285][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.050285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.050285][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.050285][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.050285][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.050285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.050285][ T10] [ 4347.052589][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4347.052589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4347.052589][ T10] ipv6_find_idev+0x102/0x170 [ 4347.052589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.052589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.052589][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.052589][ T10] netlink_unicast+0x449/0x710 [ 4347.052589][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.052589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.052589][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.052589][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.052589][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.052589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.052589][ T10] [ 4347.054343][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4347.054343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4347.054343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4347.054343][ T10] ipv6_find_idev+0x102/0x170 [ 4347.054343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.054343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.054343][ T10] netlink_rcv_skb+0x130/0x360 [ 4347.054343][ T10] netlink_unicast+0x449/0x710 [ 4347.054343][ T10] netlink_sendmsg+0x723/0xbe0 [ 4347.054343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4347.054343][ T10] ___sys_sendmsg+0xee/0x170 [ 4347.054343][ T10] __sys_sendmsg+0xcd/0x170 [ 4347.054343][ T10] do_syscall_64+0xc6/0x1e0 [ 4347.054343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.054343][ T10] [ 4357.296261][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4357.296676][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4357.296676][ T10] netdev_get_by_index+0x5e/0x80 [ 4357.296676][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4357.296676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4357.296676][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4357.296676][ T10] ipv6_add_addr+0x411/0x2000 [ 4357.296676][ T10] inet6_addr_add+0x30e/0xa40 [ 4357.296676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.296676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.296676][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.296676][ T10] netlink_unicast+0x449/0x710 [ 4357.296676][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.296676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.296676][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.296676][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.296676][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.296676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.296676][ T10] [ 4357.298741][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4357.298741][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4357.298741][ T10] ipv6_find_idev+0x102/0x170 [ 4357.298741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.298741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.298741][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.298741][ T10] netlink_unicast+0x449/0x710 [ 4357.298741][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.298741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.298741][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.298741][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.298741][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.298741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.298741][ T10] [ 4357.300334][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4357.300334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4357.300334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4357.300334][ T10] ipv6_find_idev+0x102/0x170 [ 4357.300334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.300334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.300334][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.300334][ T10] netlink_unicast+0x449/0x710 [ 4357.300334][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.300334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.300334][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.300334][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.300334][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.300334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.300334][ T10] [ 4357.302086][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4357.302381][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4357.302381][ T10] netdev_get_by_index+0x5e/0x80 [ 4357.302381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4357.302381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4357.302381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4357.302381][ T10] ipv6_add_addr+0x411/0x2000 [ 4357.302381][ T10] inet6_addr_add+0x30e/0xa40 [ 4357.302381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.302381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.302381][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.302381][ T10] netlink_unicast+0x449/0x710 [ 4357.302381][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.302381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.302381][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.302381][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.302381][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.302381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.302381][ T10] [ 4357.304475][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4357.304475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4357.304475][ T10] ipv6_find_idev+0x102/0x170 [ 4357.304475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.304475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.304475][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.304475][ T10] netlink_unicast+0x449/0x710 [ 4357.304475][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.304475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.304475][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.304475][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.304475][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.304475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.304475][ T10] [ 4357.306080][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4357.306080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4357.306080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4357.306080][ T10] ipv6_find_idev+0x102/0x170 [ 4357.306080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.306080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.306080][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.306080][ T10] netlink_unicast+0x449/0x710 [ 4357.306080][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.306080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.306080][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.306080][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.306080][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.306080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.306080][ T10] [ 4357.307825][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4357.308099][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4357.308099][ T10] netdev_get_by_index+0x5e/0x80 [ 4357.308099][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4357.308099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4357.308099][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4357.308099][ T10] ipv6_add_addr+0x411/0x2000 [ 4357.308099][ T10] inet6_addr_add+0x30e/0xa40 [ 4357.308099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.308099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.308099][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.308099][ T10] netlink_unicast+0x449/0x710 [ 4357.308099][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.308099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.308099][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.308099][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.308099][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.308099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.308099][ T10] [ 4357.310157][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4357.310157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4357.310157][ T10] ipv6_find_idev+0x102/0x170 [ 4357.310157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.310157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.310157][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.310157][ T10] netlink_unicast+0x449/0x710 [ 4357.310157][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.310157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.310157][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.310157][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.310157][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.310157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.310157][ T10] [ 4357.311755][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4357.311755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4357.311755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4357.311755][ T10] ipv6_find_idev+0x102/0x170 [ 4357.311755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.311755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.311755][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.311755][ T10] netlink_unicast+0x449/0x710 [ 4357.311755][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.311755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.311755][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.311755][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.311755][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.311755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.311755][ T10] [ 4357.313484][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4357.313752][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4357.313752][ T10] netdev_get_by_index+0x5e/0x80 [ 4357.313752][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4357.313752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4357.313752][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4357.313752][ T10] ipv6_add_addr+0x411/0x2000 [ 4357.313752][ T10] inet6_addr_add+0x30e/0xa40 [ 4357.313752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.313752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.313752][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.313752][ T10] netlink_unicast+0x449/0x710 [ 4357.313752][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.313752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.313752][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.313752][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.313752][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.313752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.313752][ T10] [ 4357.315823][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4357.315823][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4357.315823][ T10] ipv6_find_idev+0x102/0x170 [ 4357.315823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.315823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.315823][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.315823][ T10] netlink_unicast+0x449/0x710 [ 4357.315823][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.315823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.315823][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.315823][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.315823][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.315823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.315823][ T10] [ 4357.317418][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4357.317418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4357.317418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4357.317418][ T10] ipv6_find_idev+0x102/0x170 [ 4357.317418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.317418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.317418][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.317418][ T10] netlink_unicast+0x449/0x710 [ 4357.317418][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.317418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.317418][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.317418][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.317418][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.317418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.317418][ T10] [ 4357.319554][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4357.319822][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4357.319822][ T10] netdev_get_by_index+0x5e/0x80 [ 4357.319822][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4357.319822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4357.319822][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4357.319822][ T10] ipv6_add_addr+0x411/0x2000 [ 4357.319822][ T10] inet6_addr_add+0x30e/0xa40 [ 4357.319822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.319822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.319822][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.319822][ T10] netlink_unicast+0x449/0x710 [ 4357.319822][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.319822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.319822][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.319822][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.319822][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.319822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.319822][ T10] [ 4357.321874][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4357.321874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4357.321874][ T10] ipv6_find_idev+0x102/0x170 [ 4357.321874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.321874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.321874][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.321874][ T10] netlink_unicast+0x449/0x710 [ 4357.321874][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.321874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.321874][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.321874][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.321874][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.321874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.321874][ T10] [ 4357.323463][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4357.323463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4357.323463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4357.323463][ T10] ipv6_find_idev+0x102/0x170 [ 4357.323463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.323463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.323463][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.323463][ T10] netlink_unicast+0x449/0x710 [ 4357.323463][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.323463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.323463][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.323463][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.323463][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.323463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.323463][ T10] [ 4357.325253][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4357.325523][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4357.325523][ T10] netdev_get_by_index+0x5e/0x80 [ 4357.325523][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4357.325523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4357.325523][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4357.325523][ T10] ipv6_add_addr+0x411/0x2000 [ 4357.325523][ T10] inet6_addr_add+0x30e/0xa40 [ 4357.325523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.325523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.325523][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.325523][ T10] netlink_unicast+0x449/0x710 [ 4357.325523][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.325523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.325523][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.325523][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.325523][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.325523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.325523][ T10] [ 4357.327713][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4357.327713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4357.327713][ T10] ipv6_find_idev+0x102/0x170 [ 4357.327713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.327713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.327713][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.327713][ T10] netlink_unicast+0x449/0x710 [ 4357.327713][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.327713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.327713][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.327713][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.327713][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.327713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.327713][ T10] [ 4357.329545][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4357.329545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4357.329545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4357.329545][ T10] ipv6_find_idev+0x102/0x170 [ 4357.329545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.329545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.329545][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.329545][ T10] netlink_unicast+0x449/0x710 [ 4357.329545][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.329545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.329545][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.329545][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.329545][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.329545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.329545][ T10] [ 4357.331563][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4357.331834][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4357.331834][ T10] netdev_get_by_index+0x5e/0x80 [ 4357.331834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4357.331834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4357.331834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4357.331834][ T10] ipv6_add_addr+0x411/0x2000 [ 4357.331834][ T10] inet6_addr_add+0x30e/0xa40 [ 4357.331834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.331834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.331834][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.331834][ T10] netlink_unicast+0x449/0x710 [ 4357.331834][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.331834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.331834][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.331834][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.331834][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.331834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.331834][ T10] [ 4357.334068][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4357.334068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4357.334068][ T10] ipv6_find_idev+0x102/0x170 [ 4357.334068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.334068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.334068][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.334068][ T10] netlink_unicast+0x449/0x710 [ 4357.334068][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.334068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.334068][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.334068][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.334068][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.334068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.334068][ T10] [ 4357.335840][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4357.335840][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4357.335840][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4357.335840][ T10] ipv6_find_idev+0x102/0x170 [ 4357.335840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.335840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.335840][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.335840][ T10] netlink_unicast+0x449/0x710 [ 4357.335840][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.335840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.335840][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.335840][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.335840][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.335840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.335840][ T10] [ 4357.338346][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4357.338630][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4357.338630][ T10] netdev_get_by_index+0x5e/0x80 [ 4357.338630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4357.338630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4357.338630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4357.338630][ T10] ipv6_add_addr+0x411/0x2000 [ 4357.338630][ T10] inet6_addr_add+0x30e/0xa40 [ 4357.338630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.338630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.338630][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.338630][ T10] netlink_unicast+0x449/0x710 [ 4357.338630][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.338630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.338630][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.338630][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.338630][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.338630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.338630][ T10] [ 4357.340906][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4357.340906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4357.340906][ T10] ipv6_find_idev+0x102/0x170 [ 4357.340906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.340906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.340906][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.340906][ T10] netlink_unicast+0x449/0x710 [ 4357.340906][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.340906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.340906][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.340906][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.340906][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.340906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.340906][ T10] [ 4357.342661][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4357.342661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4357.342661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4357.342661][ T10] ipv6_find_idev+0x102/0x170 [ 4357.342661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.342661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.342661][ T10] netlink_rcv_skb+0x130/0x360 [ 4357.342661][ T10] netlink_unicast+0x449/0x710 [ 4357.342661][ T10] netlink_sendmsg+0x723/0xbe0 [ 4357.342661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4357.342661][ T10] ___sys_sendmsg+0xee/0x170 [ 4357.342661][ T10] __sys_sendmsg+0xcd/0x170 [ 4357.342661][ T10] do_syscall_64+0xc6/0x1e0 [ 4357.342661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.342661][ T10] [ 4367.400251][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4367.400714][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4367.400714][ T10] netdev_get_by_index+0x5e/0x80 [ 4367.400714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4367.400714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4367.400714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4367.400714][ T10] ipv6_add_addr+0x411/0x2000 [ 4367.400714][ T10] inet6_addr_add+0x30e/0xa40 [ 4367.400714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.400714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.400714][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.400714][ T10] netlink_unicast+0x449/0x710 [ 4367.400714][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.400714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.400714][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.400714][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.400714][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.400714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.400714][ T10] [ 4367.402797][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4367.402797][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4367.402797][ T10] ipv6_find_idev+0x102/0x170 [ 4367.402797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.402797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.402797][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.402797][ T10] netlink_unicast+0x449/0x710 [ 4367.402797][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.402797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.402797][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.402797][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.402797][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.402797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.402797][ T10] [ 4367.404379][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4367.404379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4367.404379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4367.404379][ T10] ipv6_find_idev+0x102/0x170 [ 4367.404379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.404379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.404379][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.404379][ T10] netlink_unicast+0x449/0x710 [ 4367.404379][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.404379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.404379][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.404379][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.404379][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.404379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.404379][ T10] [ 4367.406128][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4367.406406][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4367.406406][ T10] netdev_get_by_index+0x5e/0x80 [ 4367.406406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4367.406406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4367.406406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4367.406406][ T10] ipv6_add_addr+0x411/0x2000 [ 4367.406406][ T10] inet6_addr_add+0x30e/0xa40 [ 4367.406406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.406406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.406406][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.406406][ T10] netlink_unicast+0x449/0x710 [ 4367.406406][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.406406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.406406][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.406406][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.406406][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.406406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.406406][ T10] [ 4367.408475][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4367.408475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4367.408475][ T10] ipv6_find_idev+0x102/0x170 [ 4367.408475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.408475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.408475][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.408475][ T10] netlink_unicast+0x449/0x710 [ 4367.408475][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.408475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.408475][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.408475][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.408475][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.408475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.408475][ T10] [ 4367.410062][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4367.410062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4367.410062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4367.410062][ T10] ipv6_find_idev+0x102/0x170 [ 4367.410062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.410062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.410062][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.410062][ T10] netlink_unicast+0x449/0x710 [ 4367.410062][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.410062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.410062][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.410062][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.410062][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.410062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.410062][ T10] [ 4367.411793][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4367.412070][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4367.412070][ T10] netdev_get_by_index+0x5e/0x80 [ 4367.412070][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4367.412070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4367.412070][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4367.412070][ T10] ipv6_add_addr+0x411/0x2000 [ 4367.412070][ T10] inet6_addr_add+0x30e/0xa40 [ 4367.412070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.412070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.412070][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.412070][ T10] netlink_unicast+0x449/0x710 [ 4367.412070][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.412070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.412070][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.412070][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.412070][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.412070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.412070][ T10] [ 4367.414142][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4367.414142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4367.414142][ T10] ipv6_find_idev+0x102/0x170 [ 4367.414142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.414142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.414142][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.414142][ T10] netlink_unicast+0x449/0x710 [ 4367.414142][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.414142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.414142][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.414142][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.414142][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.414142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.414142][ T10] [ 4367.415743][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4367.415743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4367.415743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4367.415743][ T10] ipv6_find_idev+0x102/0x170 [ 4367.415743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.415743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.415743][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.415743][ T10] netlink_unicast+0x449/0x710 [ 4367.415743][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.415743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.415743][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.415743][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.415743][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.415743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.415743][ T10] [ 4367.417474][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4367.417741][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4367.417741][ T10] netdev_get_by_index+0x5e/0x80 [ 4367.417741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4367.417741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4367.417741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4367.417741][ T10] ipv6_add_addr+0x411/0x2000 [ 4367.417741][ T10] inet6_addr_add+0x30e/0xa40 [ 4367.417741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.417741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.417741][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.417741][ T10] netlink_unicast+0x449/0x710 [ 4367.417741][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.417741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.417741][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.417741][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.417741][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.417741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.417741][ T10] [ 4367.419788][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4367.419788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4367.419788][ T10] ipv6_find_idev+0x102/0x170 [ 4367.419788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.419788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.419788][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.419788][ T10] netlink_unicast+0x449/0x710 [ 4367.419788][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.419788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.419788][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.419788][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.419788][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.419788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.419788][ T10] [ 4367.421373][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4367.421373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4367.421373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4367.421373][ T10] ipv6_find_idev+0x102/0x170 [ 4367.421373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.421373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.421373][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.421373][ T10] netlink_unicast+0x449/0x710 [ 4367.421373][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.421373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.421373][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.421373][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.421373][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.421373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.421373][ T10] [ 4367.423118][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4367.423393][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4367.423393][ T10] netdev_get_by_index+0x5e/0x80 [ 4367.423393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4367.423393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4367.423393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4367.423393][ T10] ipv6_add_addr+0x411/0x2000 [ 4367.423393][ T10] inet6_addr_add+0x30e/0xa40 [ 4367.423393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.423393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.423393][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.423393][ T10] netlink_unicast+0x449/0x710 [ 4367.423393][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.423393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.423393][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.423393][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.423393][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.423393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.423393][ T10] [ 4367.425461][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4367.425461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4367.425461][ T10] ipv6_find_idev+0x102/0x170 [ 4367.425461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.425461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.425461][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.425461][ T10] netlink_unicast+0x449/0x710 [ 4367.425461][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.425461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.425461][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.425461][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.425461][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.425461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.425461][ T10] [ 4367.427178][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4367.427178][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4367.427178][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4367.427178][ T10] ipv6_find_idev+0x102/0x170 [ 4367.427178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.427178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.427178][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.427178][ T10] netlink_unicast+0x449/0x710 [ 4367.427178][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.427178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.427178][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.427178][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.427178][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.427178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.427178][ T10] [ 4367.429209][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4367.429479][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4367.429479][ T10] netdev_get_by_index+0x5e/0x80 [ 4367.429479][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4367.429479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4367.429479][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4367.429479][ T10] ipv6_add_addr+0x411/0x2000 [ 4367.429479][ T10] inet6_addr_add+0x30e/0xa40 [ 4367.429479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.429479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.429479][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.429479][ T10] netlink_unicast+0x449/0x710 [ 4367.429479][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.429479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.429479][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.429479][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.429479][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.429479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.429479][ T10] [ 4367.431722][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4367.431722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4367.431722][ T10] ipv6_find_idev+0x102/0x170 [ 4367.431722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.431722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.431722][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.431722][ T10] netlink_unicast+0x449/0x710 [ 4367.431722][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.431722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.431722][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.431722][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.431722][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.431722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.431722][ T10] [ 4367.433485][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4367.433485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4367.433485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4367.433485][ T10] ipv6_find_idev+0x102/0x170 [ 4367.433485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.433485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.433485][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.433485][ T10] netlink_unicast+0x449/0x710 [ 4367.433485][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.433485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.433485][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.433485][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.433485][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.433485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.433485][ T10] [ 4367.435509][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4367.435791][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4367.435791][ T10] netdev_get_by_index+0x5e/0x80 [ 4367.435791][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4367.435791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4367.435791][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4367.435791][ T10] ipv6_add_addr+0x411/0x2000 [ 4367.435791][ T10] inet6_addr_add+0x30e/0xa40 [ 4367.435791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.435791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.435791][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.435791][ T10] netlink_unicast+0x449/0x710 [ 4367.435791][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.435791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.435791][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.435791][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.435791][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.435791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.435791][ T10] [ 4367.438016][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4367.438016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4367.438016][ T10] ipv6_find_idev+0x102/0x170 [ 4367.438016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.438016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.438016][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.438016][ T10] netlink_unicast+0x449/0x710 [ 4367.438016][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.438016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.438016][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.438016][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.438016][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.438016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.438016][ T10] [ 4367.439844][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4367.439844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4367.439844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4367.439844][ T10] ipv6_find_idev+0x102/0x170 [ 4367.439844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.439844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.439844][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.439844][ T10] netlink_unicast+0x449/0x710 [ 4367.439844][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.439844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.439844][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.439844][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.439844][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.439844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.439844][ T10] [ 4367.441839][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4367.442139][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4367.442139][ T10] netdev_get_by_index+0x5e/0x80 [ 4367.442139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4367.442139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4367.442139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4367.442139][ T10] ipv6_add_addr+0x411/0x2000 [ 4367.442139][ T10] inet6_addr_add+0x30e/0xa40 [ 4367.442139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.442139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.442139][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.442139][ T10] netlink_unicast+0x449/0x710 [ 4367.442139][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.442139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.442139][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.442139][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.442139][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.442139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.442139][ T10] [ 4367.444277][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4367.444277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4367.444277][ T10] ipv6_find_idev+0x102/0x170 [ 4367.444277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.444277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.444277][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.444277][ T10] netlink_unicast+0x449/0x710 [ 4367.444277][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.444277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.444277][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.444277][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.444277][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.444277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.444277][ T10] [ 4367.445976][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4367.445976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4367.445976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4367.445976][ T10] ipv6_find_idev+0x102/0x170 [ 4367.445976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.445976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.445976][ T10] netlink_rcv_skb+0x130/0x360 [ 4367.445976][ T10] netlink_unicast+0x449/0x710 [ 4367.445976][ T10] netlink_sendmsg+0x723/0xbe0 [ 4367.445976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4367.445976][ T10] ___sys_sendmsg+0xee/0x170 [ 4367.445976][ T10] __sys_sendmsg+0xcd/0x170 [ 4367.445976][ T10] do_syscall_64+0xc6/0x1e0 [ 4367.445976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.445976][ T10] [ 4377.496305][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4377.496728][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4377.496728][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.496728][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4377.496728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.496728][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4377.496728][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.496728][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.496728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.496728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.496728][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.496728][ T10] netlink_unicast+0x449/0x710 [ 4377.496728][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.496728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.496728][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.496728][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.496728][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.496728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.496728][ T10] [ 4377.498729][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4377.498729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.498729][ T10] ipv6_find_idev+0x102/0x170 [ 4377.498729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.498729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.498729][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.498729][ T10] netlink_unicast+0x449/0x710 [ 4377.498729][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.498729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.498729][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.498729][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.498729][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.498729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.498729][ T10] [ 4377.500269][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4377.500269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.500269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.500269][ T10] ipv6_find_idev+0x102/0x170 [ 4377.500269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.500269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.500269][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.500269][ T10] netlink_unicast+0x449/0x710 [ 4377.500269][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.500269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.500269][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.500269][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.500269][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.500269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.500269][ T10] [ 4377.502002][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4377.502296][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4377.502296][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.502296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4377.502296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.502296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4377.502296][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.502296][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.502296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.502296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.502296][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.502296][ T10] netlink_unicast+0x449/0x710 [ 4377.502296][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.502296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.502296][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.502296][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.502296][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.502296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.502296][ T10] [ 4377.504312][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4377.504312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.504312][ T10] ipv6_find_idev+0x102/0x170 [ 4377.504312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.504312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.504312][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.504312][ T10] netlink_unicast+0x449/0x710 [ 4377.504312][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.504312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.504312][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.504312][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.504312][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.504312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.504312][ T10] [ 4377.505862][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4377.505862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.505862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.505862][ T10] ipv6_find_idev+0x102/0x170 [ 4377.505862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.505862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.505862][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.505862][ T10] netlink_unicast+0x449/0x710 [ 4377.505862][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.505862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.505862][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.505862][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.505862][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.505862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.505862][ T10] [ 4377.507542][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4377.507824][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4377.507824][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.507824][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4377.507824][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.507824][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4377.507824][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.507824][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.507824][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.507824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.507824][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.507824][ T10] netlink_unicast+0x449/0x710 [ 4377.507824][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.507824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.507824][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.507824][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.507824][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.507824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.507824][ T10] [ 4377.509812][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4377.509812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.509812][ T10] ipv6_find_idev+0x102/0x170 [ 4377.509812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.509812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.509812][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.509812][ T10] netlink_unicast+0x449/0x710 [ 4377.509812][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.509812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.509812][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.509812][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.509812][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.509812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.509812][ T10] [ 4377.511343][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4377.511343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.511343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.511343][ T10] ipv6_find_idev+0x102/0x170 [ 4377.511343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.511343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.511343][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.511343][ T10] netlink_unicast+0x449/0x710 [ 4377.511343][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.511343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.511343][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.511343][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.511343][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.511343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.511343][ T10] [ 4377.513012][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4377.513710][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4377.513710][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.513710][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4377.513710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.513710][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4377.513710][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.513710][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.513710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.513710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.513710][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.513710][ T10] netlink_unicast+0x449/0x710 [ 4377.513710][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.513710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.513710][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.513710][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.513710][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.513710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.513710][ T10] [ 4377.515708][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4377.515708][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.515708][ T10] ipv6_find_idev+0x102/0x170 [ 4377.515708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.515708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.515708][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.515708][ T10] netlink_unicast+0x449/0x710 [ 4377.515708][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.515708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.515708][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.515708][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.515708][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.515708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.515708][ T10] [ 4377.517232][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4377.517232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.517232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.517232][ T10] ipv6_find_idev+0x102/0x170 [ 4377.517232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.517232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.517232][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.517232][ T10] netlink_unicast+0x449/0x710 [ 4377.517232][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.517232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.517232][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.517232][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.517232][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.517232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.517232][ T10] [ 4377.518947][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4377.519266][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4377.519266][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.519266][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4377.519266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.519266][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4377.519266][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.519266][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.519266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.519266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.519266][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.519266][ T10] netlink_unicast+0x449/0x710 [ 4377.519266][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.519266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.519266][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.519266][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.519266][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.519266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.519266][ T10] [ 4377.521248][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4377.521248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.521248][ T10] ipv6_find_idev+0x102/0x170 [ 4377.521248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.521248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.521248][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.521248][ T10] netlink_unicast+0x449/0x710 [ 4377.521248][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.521248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.521248][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.521248][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.521248][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.521248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.521248][ T10] [ 4377.522796][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4377.522796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.522796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.522796][ T10] ipv6_find_idev+0x102/0x170 [ 4377.522796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.522796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.522796][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.522796][ T10] netlink_unicast+0x449/0x710 [ 4377.522796][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.522796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.522796][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.522796][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.522796][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.522796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.522796][ T10] [ 4377.524539][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4377.524858][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4377.524858][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.524858][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4377.524858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.524858][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4377.524858][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.524858][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.524858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.524858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.524858][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.524858][ T10] netlink_unicast+0x449/0x710 [ 4377.524858][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.524858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.524858][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.524858][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.524858][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.524858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.524858][ T10] [ 4377.526861][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4377.526861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.526861][ T10] ipv6_find_idev+0x102/0x170 [ 4377.526861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.526861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.526861][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.526861][ T10] netlink_unicast+0x449/0x710 [ 4377.526861][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.526861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.526861][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.526861][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.526861][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.526861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.526861][ T10] [ 4377.528586][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4377.528586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.528586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.528586][ T10] ipv6_find_idev+0x102/0x170 [ 4377.528586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.528586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.528586][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.528586][ T10] netlink_unicast+0x449/0x710 [ 4377.528586][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.528586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.528586][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.528586][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.528586][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.528586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.528586][ T10] [ 4377.530609][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4377.530926][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4377.530926][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.530926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4377.530926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.530926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4377.530926][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.530926][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.530926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.530926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.530926][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.530926][ T10] netlink_unicast+0x449/0x710 [ 4377.530926][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.530926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.530926][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.530926][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.530926][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.530926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.530926][ T10] [ 4377.533097][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4377.533097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.533097][ T10] ipv6_find_idev+0x102/0x170 [ 4377.533097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.533097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.533097][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.533097][ T10] netlink_unicast+0x449/0x710 [ 4377.533097][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.533097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.533097][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.533097][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.533097][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.533097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.533097][ T10] [ 4377.534836][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4377.534836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.534836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.534836][ T10] ipv6_find_idev+0x102/0x170 [ 4377.534836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.534836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.534836][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.534836][ T10] netlink_unicast+0x449/0x710 [ 4377.534836][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.534836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.534836][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.534836][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.534836][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.534836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.534836][ T10] [ 4377.536730][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4377.537065][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4377.537065][ T10] netdev_get_by_index+0x5e/0x80 [ 4377.537065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4377.537065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4377.537065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4377.537065][ T10] ipv6_add_addr+0x411/0x2000 [ 4377.537065][ T10] inet6_addr_add+0x30e/0xa40 [ 4377.537065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4377.537065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.537065][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.537065][ T10] netlink_unicast+0x449/0x710 [ 4377.537065][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.537065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.537065][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.537065][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.537065][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.537065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.537065][ T10] [ 4377.539721][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4377.539721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4377.539721][ T10] ipv6_find_idev+0x102/0x170 [ 4377.539721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.539721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.539721][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.539721][ T10] netlink_unicast+0x449/0x710 [ 4377.539721][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.539721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.539721][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.539721][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.539721][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.539721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.539721][ T10] [ 4377.541504][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4377.541504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4377.541504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4377.541504][ T10] ipv6_find_idev+0x102/0x170 [ 4377.541504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4377.541504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4377.541504][ T10] netlink_rcv_skb+0x130/0x360 [ 4377.541504][ T10] netlink_unicast+0x449/0x710 [ 4377.541504][ T10] netlink_sendmsg+0x723/0xbe0 [ 4377.541504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4377.541504][ T10] ___sys_sendmsg+0xee/0x170 [ 4377.541504][ T10] __sys_sendmsg+0xcd/0x170 [ 4377.541504][ T10] do_syscall_64+0xc6/0x1e0 [ 4377.541504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4377.541504][ T10] [ 4387.784230][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4387.784690][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4387.784690][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.784690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4387.784690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.784690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4387.784690][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.784690][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.784690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.784690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.784690][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.784690][ T10] netlink_unicast+0x449/0x710 [ 4387.784690][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.784690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.784690][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.784690][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.784690][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.784690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.784690][ T10] [ 4387.786667][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4387.786667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.786667][ T10] ipv6_find_idev+0x102/0x170 [ 4387.786667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.786667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.786667][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.786667][ T10] netlink_unicast+0x449/0x710 [ 4387.786667][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.786667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.786667][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.786667][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.786667][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.786667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.786667][ T10] [ 4387.788187][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4387.788187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.788187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.788187][ T10] ipv6_find_idev+0x102/0x170 [ 4387.788187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.788187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.788187][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.788187][ T10] netlink_unicast+0x449/0x710 [ 4387.788187][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.788187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.788187][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.788187][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.788187][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.788187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.788187][ T10] [ 4387.789868][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4387.790144][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4387.790144][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.790144][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4387.790144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.790144][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4387.790144][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.790144][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.790144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.790144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.790144][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.790144][ T10] netlink_unicast+0x449/0x710 [ 4387.790144][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.790144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.790144][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.790144][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.790144][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.790144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.790144][ T10] [ 4387.792102][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4387.792102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.792102][ T10] ipv6_find_idev+0x102/0x170 [ 4387.792102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.792102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.792102][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.792102][ T10] netlink_unicast+0x449/0x710 [ 4387.792102][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.792102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.792102][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.792102][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.792102][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.792102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.792102][ T10] [ 4387.793613][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4387.793613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.793613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.793613][ T10] ipv6_find_idev+0x102/0x170 [ 4387.793613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.793613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.793613][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.793613][ T10] netlink_unicast+0x449/0x710 [ 4387.793613][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.793613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.793613][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.793613][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.793613][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.793613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.793613][ T10] [ 4387.795289][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4387.795555][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4387.795555][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.795555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4387.795555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.795555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4387.795555][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.795555][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.795555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.795555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.795555][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.795555][ T10] netlink_unicast+0x449/0x710 [ 4387.795555][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.795555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.795555][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.795555][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.795555][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.795555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.795555][ T10] [ 4387.797520][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4387.797520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.797520][ T10] ipv6_find_idev+0x102/0x170 [ 4387.797520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.797520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.797520][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.797520][ T10] netlink_unicast+0x449/0x710 [ 4387.797520][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.797520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.797520][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.797520][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.797520][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.797520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.797520][ T10] [ 4387.799024][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4387.799024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.799024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.799024][ T10] ipv6_find_idev+0x102/0x170 [ 4387.799024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.799024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.799024][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.799024][ T10] netlink_unicast+0x449/0x710 [ 4387.799024][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.799024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.799024][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.799024][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.799024][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.799024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.799024][ T10] [ 4387.800674][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4387.800938][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4387.800938][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.800938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4387.800938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.800938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4387.800938][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.800938][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.800938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.800938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.800938][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.800938][ T10] netlink_unicast+0x449/0x710 [ 4387.800938][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.800938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.800938][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.800938][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.800938][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.800938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.800938][ T10] [ 4387.802909][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4387.802909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.802909][ T10] ipv6_find_idev+0x102/0x170 [ 4387.802909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.802909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.802909][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.802909][ T10] netlink_unicast+0x449/0x710 [ 4387.802909][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.802909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.802909][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.802909][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.802909][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.802909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.802909][ T10] [ 4387.804424][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4387.804424][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.804424][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.804424][ T10] ipv6_find_idev+0x102/0x170 [ 4387.804424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.804424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.804424][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.804424][ T10] netlink_unicast+0x449/0x710 [ 4387.804424][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.804424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.804424][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.804424][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.804424][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.804424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.804424][ T10] [ 4387.806481][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4387.806744][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4387.806744][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.806744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4387.806744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.806744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4387.806744][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.806744][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.806744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.806744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.806744][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.806744][ T10] netlink_unicast+0x449/0x710 [ 4387.806744][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.806744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.806744][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.806744][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.806744][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.806744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.806744][ T10] [ 4387.808696][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4387.808696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.808696][ T10] ipv6_find_idev+0x102/0x170 [ 4387.808696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.808696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.808696][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.808696][ T10] netlink_unicast+0x449/0x710 [ 4387.808696][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.808696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.808696][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.808696][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.808696][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.808696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.808696][ T10] [ 4387.810198][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4387.810198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.810198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.810198][ T10] ipv6_find_idev+0x102/0x170 [ 4387.810198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.810198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.810198][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.810198][ T10] netlink_unicast+0x449/0x710 [ 4387.810198][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.810198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.810198][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.810198][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.810198][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.810198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.810198][ T10] [ 4387.811881][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4387.812139][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4387.812139][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.812139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4387.812139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.812139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4387.812139][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.812139][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.812139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.812139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.812139][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.812139][ T10] netlink_unicast+0x449/0x710 [ 4387.812139][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.812139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.812139][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.812139][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.812139][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.812139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.812139][ T10] [ 4387.814300][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4387.814300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.814300][ T10] ipv6_find_idev+0x102/0x170 [ 4387.814300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.814300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.814300][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.814300][ T10] netlink_unicast+0x449/0x710 [ 4387.814300][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.814300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.814300][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.814300][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.814300][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.814300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.814300][ T10] [ 4387.816001][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4387.816001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.816001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.816001][ T10] ipv6_find_idev+0x102/0x170 [ 4387.816001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.816001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.816001][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.816001][ T10] netlink_unicast+0x449/0x710 [ 4387.816001][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.816001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.816001][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.816001][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.816001][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.816001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.816001][ T10] [ 4387.817928][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4387.818239][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4387.818239][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.818239][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4387.818239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.818239][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4387.818239][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.818239][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.818239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.818239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.818239][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.818239][ T10] netlink_unicast+0x449/0x710 [ 4387.818239][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.818239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.818239][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.818239][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.818239][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.818239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.818239][ T10] [ 4387.820390][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4387.820390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.820390][ T10] ipv6_find_idev+0x102/0x170 [ 4387.820390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.820390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.820390][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.820390][ T10] netlink_unicast+0x449/0x710 [ 4387.820390][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.820390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.820390][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.820390][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.820390][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.820390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.820390][ T10] [ 4387.822191][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4387.822191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.822191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.822191][ T10] ipv6_find_idev+0x102/0x170 [ 4387.822191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.822191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.822191][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.822191][ T10] netlink_unicast+0x449/0x710 [ 4387.822191][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.822191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.822191][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.822191][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.822191][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.822191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.822191][ T10] [ 4387.824149][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4387.824422][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4387.824422][ T10] netdev_get_by_index+0x5e/0x80 [ 4387.824422][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4387.824422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4387.824422][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4387.824422][ T10] ipv6_add_addr+0x411/0x2000 [ 4387.824422][ T10] inet6_addr_add+0x30e/0xa40 [ 4387.824422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4387.824422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.824422][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.824422][ T10] netlink_unicast+0x449/0x710 [ 4387.824422][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.824422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.824422][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.824422][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.824422][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.824422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.824422][ T10] [ 4387.826783][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4387.826783][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4387.826783][ T10] ipv6_find_idev+0x102/0x170 [ 4387.826783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.826783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.826783][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.826783][ T10] netlink_unicast+0x449/0x710 [ 4387.826783][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.826783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.826783][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.826783][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.826783][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.826783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.826783][ T10] [ 4387.828605][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4387.828605][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4387.828605][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4387.828605][ T10] ipv6_find_idev+0x102/0x170 [ 4387.828605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4387.828605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4387.828605][ T10] netlink_rcv_skb+0x130/0x360 [ 4387.828605][ T10] netlink_unicast+0x449/0x710 [ 4387.828605][ T10] netlink_sendmsg+0x723/0xbe0 [ 4387.828605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4387.828605][ T10] ___sys_sendmsg+0xee/0x170 [ 4387.828605][ T10] __sys_sendmsg+0xcd/0x170 [ 4387.828605][ T10] do_syscall_64+0xc6/0x1e0 [ 4387.828605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4387.828605][ T10] [ 4398.072211][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4398.072668][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4398.072668][ T10] netdev_get_by_index+0x5e/0x80 [ 4398.072668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4398.072668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4398.072668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4398.072668][ T10] ipv6_add_addr+0x411/0x2000 [ 4398.072668][ T10] inet6_addr_add+0x30e/0xa40 [ 4398.072668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.072668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.072668][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.072668][ T10] netlink_unicast+0x449/0x710 [ 4398.072668][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.072668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.072668][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.072668][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.072668][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.072668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.072668][ T10] [ 4398.074667][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4398.074667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4398.074667][ T10] ipv6_find_idev+0x102/0x170 [ 4398.074667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.074667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.074667][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.074667][ T10] netlink_unicast+0x449/0x710 [ 4398.074667][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.074667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.074667][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.074667][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.074667][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.074667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.074667][ T10] [ 4398.076183][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4398.076183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4398.076183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4398.076183][ T10] ipv6_find_idev+0x102/0x170 [ 4398.076183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.076183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.076183][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.076183][ T10] netlink_unicast+0x449/0x710 [ 4398.076183][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.076183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.076183][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.076183][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.076183][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.076183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.076183][ T10] [ 4398.077839][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 4398.078106][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4398.078106][ T10] netdev_get_by_index+0x5e/0x80 [ 4398.078106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4398.078106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4398.078106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4398.078106][ T10] ipv6_add_addr+0x411/0x2000 [ 4398.078106][ T10] inet6_addr_add+0x30e/0xa40 [ 4398.078106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.078106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.078106][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.078106][ T10] netlink_unicast+0x449/0x710 [ 4398.078106][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.078106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.078106][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.078106][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.078106][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.078106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.078106][ T10] [ 4398.080056][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4398.080056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4398.080056][ T10] ipv6_find_idev+0x102/0x170 [ 4398.080056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.080056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.080056][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.080056][ T10] netlink_unicast+0x449/0x710 [ 4398.080056][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.080056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.080056][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.080056][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.080056][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.080056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.080056][ T10] [ 4398.081579][ T10] ref_tracker: ns2eth4@ffff8880067e45c0 has 1/3 users at [ 4398.081579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4398.081579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4398.081579][ T10] ipv6_find_idev+0x102/0x170 [ 4398.081579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.081579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.081579][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.081579][ T10] netlink_unicast+0x449/0x710 [ 4398.081579][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.081579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.081579][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.081579][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.081579][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.081579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.081579][ T10] [ 4398.083228][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 4398.083491][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4398.083491][ T10] netdev_get_by_index+0x5e/0x80 [ 4398.083491][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4398.083491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4398.083491][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4398.083491][ T10] ipv6_add_addr+0x411/0x2000 [ 4398.083491][ T10] inet6_addr_add+0x30e/0xa40 [ 4398.083491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.083491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.083491][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.083491][ T10] netlink_unicast+0x449/0x710 [ 4398.083491][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.083491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.083491][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.083491][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.083491][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.083491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.083491][ T10] [ 4398.085484][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4398.085484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4398.085484][ T10] ipv6_find_idev+0x102/0x170 [ 4398.085484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.085484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.085484][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.085484][ T10] netlink_unicast+0x449/0x710 [ 4398.085484][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.085484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.085484][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.085484][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.085484][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.085484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.085484][ T10] [ 4398.087007][ T10] ref_tracker: ns1eth3@ffff8880057195c0 has 1/3 users at [ 4398.087007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4398.087007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4398.087007][ T10] ipv6_find_idev+0x102/0x170 [ 4398.087007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.087007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.087007][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.087007][ T10] netlink_unicast+0x449/0x710 [ 4398.087007][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.087007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.087007][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.087007][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.087007][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.087007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.087007][ T10] [ 4398.088663][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 4398.088929][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4398.088929][ T10] netdev_get_by_index+0x5e/0x80 [ 4398.088929][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4398.088929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4398.088929][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4398.088929][ T10] ipv6_add_addr+0x411/0x2000 [ 4398.088929][ T10] inet6_addr_add+0x30e/0xa40 [ 4398.088929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.088929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.088929][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.088929][ T10] netlink_unicast+0x449/0x710 [ 4398.088929][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.088929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.088929][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.088929][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.088929][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.088929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.088929][ T10] [ 4398.090898][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4398.090898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4398.090898][ T10] ipv6_find_idev+0x102/0x170 [ 4398.090898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.090898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.090898][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.090898][ T10] netlink_unicast+0x449/0x710 [ 4398.090898][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.090898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.090898][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.090898][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.090898][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.090898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.090898][ T10] [ 4398.092409][ T10] ref_tracker: ns2eth3@ffff888005e015c0 has 1/3 users at [ 4398.092409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4398.092409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4398.092409][ T10] ipv6_find_idev+0x102/0x170 [ 4398.092409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.092409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.092409][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.092409][ T10] netlink_unicast+0x449/0x710 [ 4398.092409][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.092409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.092409][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.092409][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.092409][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.092409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.092409][ T10] [ 4398.094063][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 4398.094390][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4398.094390][ T10] netdev_get_by_index+0x5e/0x80 [ 4398.094390][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4398.094390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4398.094390][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4398.094390][ T10] ipv6_add_addr+0x411/0x2000 [ 4398.094390][ T10] inet6_addr_add+0x30e/0xa40 [ 4398.094390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.094390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.094390][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.094390][ T10] netlink_unicast+0x449/0x710 [ 4398.094390][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.094390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.094390][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.094390][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.094390][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.094390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.094390][ T10] [ 4398.096351][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4398.096351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4398.096351][ T10] ipv6_find_idev+0x102/0x170 [ 4398.096351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.096351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.096351][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.096351][ T10] netlink_unicast+0x449/0x710 [ 4398.096351][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.096351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.096351][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.096351][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.096351][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.096351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.096351][ T10] [ 4398.097933][ T10] ref_tracker: ns1eth2@ffff8880065695c0 has 1/3 users at [ 4398.097933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4398.097933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4398.097933][ T10] ipv6_find_idev+0x102/0x170 [ 4398.097933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.097933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.097933][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.097933][ T10] netlink_unicast+0x449/0x710 [ 4398.097933][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.097933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.097933][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.097933][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.097933][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.097933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.097933][ T10] [ 4398.099876][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 4398.100145][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4398.100145][ T10] netdev_get_by_index+0x5e/0x80 [ 4398.100145][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4398.100145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4398.100145][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4398.100145][ T10] ipv6_add_addr+0x411/0x2000 [ 4398.100145][ T10] inet6_addr_add+0x30e/0xa40 [ 4398.100145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.100145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.100145][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.100145][ T10] netlink_unicast+0x449/0x710 [ 4398.100145][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.100145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.100145][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.100145][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.100145][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.100145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.100145][ T10] [ 4398.102346][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4398.102346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4398.102346][ T10] ipv6_find_idev+0x102/0x170 [ 4398.102346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.102346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.102346][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.102346][ T10] netlink_unicast+0x449/0x710 [ 4398.102346][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.102346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.102346][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.102346][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.102346][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.102346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.102346][ T10] [ 4398.104030][ T10] ref_tracker: ns2eth2@ffff888006ab15c0 has 1/3 users at [ 4398.104030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4398.104030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4398.104030][ T10] ipv6_find_idev+0x102/0x170 [ 4398.104030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.104030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.104030][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.104030][ T10] netlink_unicast+0x449/0x710 [ 4398.104030][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.104030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.104030][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.104030][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.104030][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.104030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.104030][ T10] [ 4398.105905][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 4398.106213][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4398.106213][ T10] netdev_get_by_index+0x5e/0x80 [ 4398.106213][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4398.106213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4398.106213][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4398.106213][ T10] ipv6_add_addr+0x411/0x2000 [ 4398.106213][ T10] inet6_addr_add+0x30e/0xa40 [ 4398.106213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.106213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.106213][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.106213][ T10] netlink_unicast+0x449/0x710 [ 4398.106213][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.106213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.106213][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.106213][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.106213][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.106213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.106213][ T10] [ 4398.108858][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4398.108858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4398.108858][ T10] ipv6_find_idev+0x102/0x170 [ 4398.108858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.108858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.108858][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.108858][ T10] netlink_unicast+0x449/0x710 [ 4398.108858][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.108858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.108858][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.108858][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.108858][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.108858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.108858][ T10] [ 4398.110616][ T10] ref_tracker: ns1eth1@ffff88803a9945c0 has 1/3 users at [ 4398.110616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4398.110616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4398.110616][ T10] ipv6_find_idev+0x102/0x170 [ 4398.110616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.110616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.110616][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.110616][ T10] netlink_unicast+0x449/0x710 [ 4398.110616][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.110616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.110616][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.110616][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.110616][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.110616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.110616][ T10] [ 4398.112480][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 4398.112748][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4398.112748][ T10] netdev_get_by_index+0x5e/0x80 [ 4398.112748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4398.112748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4398.112748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4398.112748][ T10] ipv6_add_addr+0x411/0x2000 [ 4398.112748][ T10] inet6_addr_add+0x30e/0xa40 [ 4398.112748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.112748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.112748][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.112748][ T10] netlink_unicast+0x449/0x710 [ 4398.112748][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.112748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.112748][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.112748][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.112748][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.112748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.112748][ T10] [ 4398.114940][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4398.114940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 4398.114940][ T10] ipv6_find_idev+0x102/0x170 [ 4398.114940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.114940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.114940][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.114940][ T10] netlink_unicast+0x449/0x710 [ 4398.114940][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.114940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.114940][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.114940][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.114940][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.114940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.114940][ T10] [ 4398.116624][ T10] ref_tracker: ns2eth1@ffff88803abc45c0 has 1/3 users at [ 4398.116624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 4398.116624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 4398.116624][ T10] ipv6_find_idev+0x102/0x170 [ 4398.116624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.116624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.116624][ T10] netlink_rcv_skb+0x130/0x360 [ 4398.116624][ T10] netlink_unicast+0x449/0x710 [ 4398.116624][ T10] netlink_sendmsg+0x723/0xbe0 [ 4398.116624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4398.116624][ T10] ___sys_sendmsg+0xee/0x170 [ 4398.116624][ T10] __sys_sendmsg+0xcd/0x170 [ 4398.116624][ T10] do_syscall_64+0xc6/0x1e0 [ 4398.116624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.116624][ T10] [ 4408.360195][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 4408.360615][ T10] ref_tracker: ns1eth4@ffff888007d8c5c0 has 1/3 users at [ 4408.360615][ T10] netdev_get_by_index+0x5e/0x80 [ 4408.360615][ T10] fib6_nh_init+0x3d8/0x15b0 [ 4408.360615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 4408.360615][ T10] addrconf_f6i_alloc+0x244/0x410 [ 4408.360615][ T10] ipv6_add_addr+0x411/0x2000 [ 4408.360615][ T10] inet6_addr_add+0x30e/0xa40 [ 4408.360615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.360615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.360615][ T10] netlink_rcv_skb+0x130/0x360 [ 4408.360615][ T10] netlink_unicast+0x449/0x710 [ 4408.360615][ T10] netlink_sendmsg+0x723/0xbe0 [ 4408.360615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 4408.360615][ T10] ___sys_sendmsg+0xee/0x170 [ 4408.360615][ T10] __sys_sendmsg+0xcd/0x170 [ 4408.360615][ T10] do_syscall_64+